Check in jsoncpp.

Check in ab1e40f3bce061ea6f9bdc60351d6cde2a4f872b from
https://chromium.googlesource.com/external/jsoncpp/jsoncpp.git

This is the version used by Skia's test suite.

BUG:15087860

Change-Id: I16bf6ac927fa025b6527b48221d749484e1a04f4
diff --git a/src/jsontestrunner/main.cpp b/src/jsontestrunner/main.cpp
new file mode 100644
index 0000000..74f0216
--- /dev/null
+++ b/src/jsontestrunner/main.cpp
@@ -0,0 +1,293 @@
+// Copyright 2007-2010 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+/* This executable is used for testing parser/writer using real JSON files.
+ */
+
+
+#include <json/json.h>
+#include <algorithm> // sort
+#include <stdio.h>
+
+#if defined(_MSC_VER)  &&  _MSC_VER >= 1310
+# pragma warning( disable: 4996 )     // disable fopen deprecation warning
+#endif
+
+static std::string 
+normalizeFloatingPointStr( double value )
+{
+    char buffer[32];
+    sprintf( buffer, "%.16g", value );
+    buffer[sizeof(buffer)-1] = 0;
+    std::string s( buffer );
+    std::string::size_type index = s.find_last_of( "eE" );
+    if ( index != std::string::npos )
+    {
+        std::string::size_type hasSign = (s[index+1] == '+' || s[index+1] == '-') ? 1 : 0;
+        std::string::size_type exponentStartIndex = index + 1 + hasSign;
+        std::string normalized = s.substr( 0, exponentStartIndex );
+        std::string::size_type indexDigit = s.find_first_not_of( '0', exponentStartIndex );
+        std::string exponent = "0";
+        if ( indexDigit != std::string::npos ) // There is an exponent different from 0
+        {
+            exponent = s.substr( indexDigit );
+        }
+        return normalized + exponent;
+    }
+    return s;
+}
+
+
+static std::string
+readInputTestFile( const char *path )
+{
+   FILE *file = fopen( path, "rb" );
+   if ( !file )
+      return std::string("");
+   fseek( file, 0, SEEK_END );
+   long size = ftell( file );
+   fseek( file, 0, SEEK_SET );
+   std::string text;
+   char *buffer = new char[size+1];
+   buffer[size] = 0;
+   if ( fread( buffer, 1, size, file ) == (unsigned long)size )
+      text = buffer;
+   fclose( file );
+   delete[] buffer;
+   return text;
+}
+
+static void
+printValueTree( FILE *fout, Json::Value &value, const std::string &path = "." )
+{
+   switch ( value.type() )
+   {
+   case Json::nullValue:
+      fprintf( fout, "%s=null\n", path.c_str() );
+      break;
+   case Json::intValue:
+      fprintf( fout, "%s=%s\n", path.c_str(), Json::valueToString( value.asLargestInt() ).c_str() );
+      break;
+   case Json::uintValue:
+      fprintf( fout, "%s=%s\n", path.c_str(), Json::valueToString( value.asLargestUInt() ).c_str() );
+      break;
+   case Json::realValue:
+       fprintf( fout, "%s=%s\n", path.c_str(), normalizeFloatingPointStr(value.asDouble()).c_str() );
+      break;
+   case Json::stringValue:
+      fprintf( fout, "%s=\"%s\"\n", path.c_str(), value.asString().c_str() );
+      break;
+   case Json::booleanValue:
+      fprintf( fout, "%s=%s\n", path.c_str(), value.asBool() ? "true" : "false" );
+      break;
+   case Json::arrayValue:
+      {
+         fprintf( fout, "%s=[]\n", path.c_str() );
+         int size = value.size();
+         for ( int index =0; index < size; ++index )
+         {
+            static char buffer[16];
+            sprintf( buffer, "[%d]", index );
+            printValueTree( fout, value[index], path + buffer );
+         }
+      }
+      break;
+   case Json::objectValue:
+      {
+         fprintf( fout, "%s={}\n", path.c_str() );
+         Json::Value::Members members( value.getMemberNames() );
+         std::sort( members.begin(), members.end() );
+         std::string suffix = *(path.end()-1) == '.' ? "" : ".";
+         for ( Json::Value::Members::iterator it = members.begin(); 
+               it != members.end(); 
+               ++it )
+         {
+            const std::string &name = *it;
+            printValueTree( fout, value[name], path + suffix + name );
+         }
+      }
+      break;
+   default:
+      break;
+   }
+}
+
+
+static int
+parseAndSaveValueTree( const std::string &input, 
+                       const std::string &actual,
+                       const std::string &kind,
+                       Json::Value &root,
+                       const Json::Features &features,
+                       bool parseOnly )
+{
+   Json::Reader reader( features );
+   bool parsingSuccessful = reader.parse( input, root );
+   if ( !parsingSuccessful )
+   {
+      printf( "Failed to parse %s file: \n%s\n", 
+              kind.c_str(),
+              reader.getFormattedErrorMessages().c_str() );
+      return 1;
+   }
+
+   if ( !parseOnly )
+   {
+      FILE *factual = fopen( actual.c_str(), "wt" );
+      if ( !factual )
+      {
+         printf( "Failed to create %s actual file.\n", kind.c_str() );
+         return 2;
+      }
+      printValueTree( factual, root );
+      fclose( factual );
+   }
+   return 0;
+}
+
+
+static int
+rewriteValueTree( const std::string &rewritePath, 
+                  const Json::Value &root, 
+                  std::string &rewrite )
+{
+   //Json::FastWriter writer;
+   //writer.enableYAMLCompatibility();
+   Json::StyledWriter writer;
+   rewrite = writer.write( root );
+   FILE *fout = fopen( rewritePath.c_str(), "wt" );
+   if ( !fout )
+   {
+      printf( "Failed to create rewrite file: %s\n", rewritePath.c_str() );
+      return 2;
+   }
+   fprintf( fout, "%s\n", rewrite.c_str() );
+   fclose( fout );
+   return 0;
+}
+
+
+static std::string
+removeSuffix( const std::string &path, 
+              const std::string &extension )
+{
+   if ( extension.length() >= path.length() )
+      return std::string("");
+   std::string suffix = path.substr( path.length() - extension.length() );
+   if ( suffix != extension )
+      return std::string("");
+   return path.substr( 0, path.length() - extension.length() );
+}
+
+
+static void
+printConfig()
+{
+   // Print the configuration used to compile JsonCpp
+#if defined(JSON_NO_INT64)
+   printf( "JSON_NO_INT64=1\n" );
+#else
+   printf( "JSON_NO_INT64=0\n" );
+#endif
+}
+
+
+static int 
+printUsage( const char *argv[] )
+{
+   printf( "Usage: %s [--strict] input-json-file", argv[0] );
+   return 3;
+}
+
+
+int
+parseCommandLine( int argc, const char *argv[], 
+                  Json::Features &features, std::string &path,
+                  bool &parseOnly )
+{
+   parseOnly = false;
+   if ( argc < 2 )
+   {
+      return printUsage( argv );
+   }
+
+   int index = 1;
+   if ( std::string(argv[1]) == "--json-checker" )
+   {
+      features = Json::Features::strictMode();
+      parseOnly = true;
+      ++index;
+   }
+
+   if ( std::string(argv[1]) == "--json-config" )
+   {
+      printConfig();
+      return 3;
+   }
+
+   if ( index == argc  ||  index + 1 < argc )
+   {
+      return printUsage( argv );
+   }
+
+   path = argv[index];
+   return 0;
+}
+
+
+int main( int argc, const char *argv[] )
+{
+   std::string path;
+   Json::Features features;
+   bool parseOnly;
+   int exitCode = parseCommandLine( argc, argv, features, path, parseOnly );
+   if ( exitCode != 0 )
+   {
+      return exitCode;
+   }
+
+   try
+   {
+      std::string input = readInputTestFile( path.c_str() );
+      if ( input.empty() )
+      {
+         printf( "Failed to read input or empty input: %s\n", path.c_str() );
+         return 3;
+      }
+
+      std::string basePath = removeSuffix( argv[1], ".json" );
+      if ( !parseOnly  &&  basePath.empty() )
+      {
+         printf( "Bad input path. Path does not end with '.expected':\n%s\n", path.c_str() );
+         return 3;
+      }
+
+      std::string actualPath = basePath + ".actual";
+      std::string rewritePath = basePath + ".rewrite";
+      std::string rewriteActualPath = basePath + ".actual-rewrite";
+
+      Json::Value root;
+      exitCode = parseAndSaveValueTree( input, actualPath, "input", root, features, parseOnly );
+      if ( exitCode == 0  &&  !parseOnly )
+      {
+         std::string rewrite;
+         exitCode = rewriteValueTree( rewritePath, root, rewrite );
+         if ( exitCode == 0 )
+         {
+            Json::Value rewriteRoot;
+            exitCode = parseAndSaveValueTree( rewrite, rewriteActualPath, 
+               "rewrite", rewriteRoot, features, parseOnly );
+         }
+      }
+   }
+   catch ( const std::exception &e )
+   {
+      printf( "Unhandled exception:\n%s\n", e.what() );
+      exitCode = 1;
+   }
+
+   return exitCode;
+}
+
diff --git a/src/jsontestrunner/sconscript b/src/jsontestrunner/sconscript
new file mode 100644
index 0000000..6e68e31
--- /dev/null
+++ b/src/jsontestrunner/sconscript
@@ -0,0 +1,9 @@
+Import( 'env_testing buildJSONTests' )
+
+buildJSONTests( env_testing, Split( """
+    main.cpp
+     """ ),
+    'jsontestrunner' )
+
+# For 'check' to work, 'libs' must be built first.
+env_testing.Depends('jsontestrunner', '#libs')
diff --git a/src/lib_json/json_batchallocator.h b/src/lib_json/json_batchallocator.h
new file mode 100644
index 0000000..2a7c024
--- /dev/null
+++ b/src/lib_json/json_batchallocator.h
@@ -0,0 +1,127 @@
+// Copyright 2007-2010 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+#ifndef JSONCPP_BATCHALLOCATOR_H_INCLUDED
+# define JSONCPP_BATCHALLOCATOR_H_INCLUDED
+
+# include <stdlib.h>
+# include <assert.h>
+
+# ifndef JSONCPP_DOC_EXCLUDE_IMPLEMENTATION
+
+namespace Json {
+
+/* Fast memory allocator.
+ *
+ * This memory allocator allocates memory for a batch of object (specified by
+ * the page size, the number of object in each page).
+ *
+ * It does not allow the destruction of a single object. All the allocated objects
+ * can be destroyed at once. The memory can be either released or reused for future
+ * allocation.
+ * 
+ * The in-place new operator must be used to construct the object using the pointer
+ * returned by allocate.
+ */
+template<typename AllocatedType
+        ,const unsigned int objectPerAllocation>
+class BatchAllocator
+{
+public:
+   BatchAllocator( unsigned int objectsPerPage = 255 )
+      : freeHead_( 0 )
+      , objectsPerPage_( objectsPerPage )
+   {
+//      printf( "Size: %d => %s\n", sizeof(AllocatedType), typeid(AllocatedType).name() );
+      assert( sizeof(AllocatedType) * objectPerAllocation >= sizeof(AllocatedType *) ); // We must be able to store a slist in the object free space.
+      assert( objectsPerPage >= 16 );
+      batches_ = allocateBatch( 0 );   // allocated a dummy page
+      currentBatch_ = batches_;
+   }
+
+   ~BatchAllocator()
+   {
+      for ( BatchInfo *batch = batches_; batch;  )
+      {
+         BatchInfo *nextBatch = batch->next_;
+         free( batch );
+         batch = nextBatch;
+      }
+   }
+
+   /// allocate space for an array of objectPerAllocation object.
+   /// @warning it is the responsability of the caller to call objects constructors.
+   AllocatedType *allocate()
+   {
+      if ( freeHead_ ) // returns node from free list.
+      {
+         AllocatedType *object = freeHead_;
+         freeHead_ = *(AllocatedType **)object;
+         return object;
+      }
+      if ( currentBatch_->used_ == currentBatch_->end_ )
+      {
+         currentBatch_ = currentBatch_->next_;
+         while ( currentBatch_  &&  currentBatch_->used_ == currentBatch_->end_ )
+            currentBatch_ = currentBatch_->next_;
+
+         if ( !currentBatch_  ) // no free batch found, allocate a new one
+         { 
+            currentBatch_ = allocateBatch( objectsPerPage_ );
+            currentBatch_->next_ = batches_; // insert at the head of the list
+            batches_ = currentBatch_;
+         }
+      }
+      AllocatedType *allocated = currentBatch_->used_;
+      currentBatch_->used_ += objectPerAllocation;
+      return allocated;
+   }
+
+   /// Release the object.
+   /// @warning it is the responsability of the caller to actually destruct the object.
+   void release( AllocatedType *object )
+   {
+      assert( object != 0 );
+      *(AllocatedType **)object = freeHead_;
+      freeHead_ = object;
+   }
+
+private:
+   struct BatchInfo
+   {
+      BatchInfo *next_;
+      AllocatedType *used_;
+      AllocatedType *end_;
+      AllocatedType buffer_[objectPerAllocation];
+   };
+
+   // disabled copy constructor and assignement operator.
+   BatchAllocator( const BatchAllocator & );
+   void operator =( const BatchAllocator &);
+
+   static BatchInfo *allocateBatch( unsigned int objectsPerPage )
+   {
+      const unsigned int mallocSize = sizeof(BatchInfo) - sizeof(AllocatedType)* objectPerAllocation
+                                + sizeof(AllocatedType) * objectPerAllocation * objectsPerPage;
+      BatchInfo *batch = static_cast<BatchInfo*>( malloc( mallocSize ) );
+      batch->next_ = 0;
+      batch->used_ = batch->buffer_;
+      batch->end_ = batch->buffer_ + objectsPerPage;
+      return batch;
+   }
+
+   BatchInfo *batches_;
+   BatchInfo *currentBatch_;
+   /// Head of a single linked list within the allocated space of freeed object
+   AllocatedType *freeHead_;
+   unsigned int objectsPerPage_;
+};
+
+
+} // namespace Json
+
+# endif // ifndef JSONCPP_DOC_INCLUDE_IMPLEMENTATION
+
+#endif // JSONCPP_BATCHALLOCATOR_H_INCLUDED
diff --git a/src/lib_json/json_internalarray.inl b/src/lib_json/json_internalarray.inl
new file mode 100644
index 0000000..5e8b8ef
--- /dev/null
+++ b/src/lib_json/json_internalarray.inl
@@ -0,0 +1,454 @@
+// Copyright 2007-2010 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+// included by json_value.cpp
+
+namespace Json {
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class ValueInternalArray
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+ValueArrayAllocator::~ValueArrayAllocator()
+{
+}
+
+// //////////////////////////////////////////////////////////////////
+// class DefaultValueArrayAllocator
+// //////////////////////////////////////////////////////////////////
+#ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
+class DefaultValueArrayAllocator : public ValueArrayAllocator
+{
+public: // overridden from ValueArrayAllocator
+   virtual ~DefaultValueArrayAllocator()
+   {
+   }
+
+   virtual ValueInternalArray *newArray()
+   {
+      return new ValueInternalArray();
+   }
+
+   virtual ValueInternalArray *newArrayCopy( const ValueInternalArray &other )
+   {
+      return new ValueInternalArray( other );
+   }
+
+   virtual void destructArray( ValueInternalArray *array )
+   {
+      delete array;
+   }
+
+   virtual void reallocateArrayPageIndex( Value **&indexes, 
+                                          ValueInternalArray::PageIndex &indexCount,
+                                          ValueInternalArray::PageIndex minNewIndexCount )
+   {
+      ValueInternalArray::PageIndex newIndexCount = (indexCount*3)/2 + 1;
+      if ( minNewIndexCount > newIndexCount )
+         newIndexCount = minNewIndexCount;
+      void *newIndexes = realloc( indexes, sizeof(Value*) * newIndexCount );
+      JSON_ASSERT_MESSAGE(newIndexes, "Couldn't realloc.");
+      indexCount = newIndexCount;
+      indexes = static_cast<Value **>( newIndexes );
+   }
+   virtual void releaseArrayPageIndex( Value **indexes, 
+                                       ValueInternalArray::PageIndex indexCount )
+   {
+      if ( indexes )
+         free( indexes );
+   }
+
+   virtual Value *allocateArrayPage()
+   {
+      return static_cast<Value *>( malloc( sizeof(Value) * ValueInternalArray::itemsPerPage ) );
+   }
+
+   virtual void releaseArrayPage( Value *value )
+   {
+      if ( value )
+         free( value );
+   }
+};
+
+#else // #ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
+/// @todo make this thread-safe (lock when accessign batch allocator)
+class DefaultValueArrayAllocator : public ValueArrayAllocator
+{
+public: // overridden from ValueArrayAllocator
+   virtual ~DefaultValueArrayAllocator()
+   {
+   }
+
+   virtual ValueInternalArray *newArray()
+   {
+      ValueInternalArray *array = arraysAllocator_.allocate();
+      new (array) ValueInternalArray(); // placement new
+      return array;
+   }
+
+   virtual ValueInternalArray *newArrayCopy( const ValueInternalArray &other )
+   {
+      ValueInternalArray *array = arraysAllocator_.allocate();
+      new (array) ValueInternalArray( other ); // placement new
+      return array;
+   }
+
+   virtual void destructArray( ValueInternalArray *array )
+   {
+      if ( array )
+      {
+         array->~ValueInternalArray();
+         arraysAllocator_.release( array );
+      }
+   }
+
+   virtual void reallocateArrayPageIndex( Value **&indexes, 
+                                          ValueInternalArray::PageIndex &indexCount,
+                                          ValueInternalArray::PageIndex minNewIndexCount )
+   {
+      ValueInternalArray::PageIndex newIndexCount = (indexCount*3)/2 + 1;
+      if ( minNewIndexCount > newIndexCount )
+         newIndexCount = minNewIndexCount;
+      void *newIndexes = realloc( indexes, sizeof(Value*) * newIndexCount );
+      JSON_ASSERT_MESSAGE(newIndexes, "Couldn't realloc.");
+      indexCount = newIndexCount;
+      indexes = static_cast<Value **>( newIndexes );
+   }
+   virtual void releaseArrayPageIndex( Value **indexes, 
+                                       ValueInternalArray::PageIndex indexCount )
+   {
+      if ( indexes )
+         free( indexes );
+   }
+
+   virtual Value *allocateArrayPage()
+   {
+      return static_cast<Value *>( pagesAllocator_.allocate() );
+   }
+
+   virtual void releaseArrayPage( Value *value )
+   {
+      if ( value )
+         pagesAllocator_.release( value );
+   }
+private:
+   BatchAllocator<ValueInternalArray,1> arraysAllocator_;
+   BatchAllocator<Value,ValueInternalArray::itemsPerPage> pagesAllocator_;
+};
+#endif // #ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
+
+static ValueArrayAllocator *&arrayAllocator()
+{
+   static DefaultValueArrayAllocator defaultAllocator;
+   static ValueArrayAllocator *arrayAllocator = &defaultAllocator;
+   return arrayAllocator;
+}
+
+static struct DummyArrayAllocatorInitializer {
+   DummyArrayAllocatorInitializer() 
+   {
+      arrayAllocator();      // ensure arrayAllocator() statics are initialized before main().
+   }
+} dummyArrayAllocatorInitializer;
+
+// //////////////////////////////////////////////////////////////////
+// class ValueInternalArray
+// //////////////////////////////////////////////////////////////////
+bool 
+ValueInternalArray::equals( const IteratorState &x, 
+                            const IteratorState &other )
+{
+   return x.array_ == other.array_  
+          &&  x.currentItemIndex_ == other.currentItemIndex_  
+          &&  x.currentPageIndex_ == other.currentPageIndex_;
+}
+
+
+void 
+ValueInternalArray::increment( IteratorState &it )
+{
+   JSON_ASSERT_MESSAGE( it.array_  &&
+      (it.currentPageIndex_ - it.array_->pages_)*itemsPerPage + it.currentItemIndex_
+      != it.array_->size_,
+      "ValueInternalArray::increment(): moving iterator beyond end" );
+   ++(it.currentItemIndex_);
+   if ( it.currentItemIndex_ == itemsPerPage )
+   {
+      it.currentItemIndex_ = 0;
+      ++(it.currentPageIndex_);
+   }
+}
+
+
+void 
+ValueInternalArray::decrement( IteratorState &it )
+{
+   JSON_ASSERT_MESSAGE( it.array_  &&  it.currentPageIndex_ == it.array_->pages_ 
+                        &&  it.currentItemIndex_ == 0,
+      "ValueInternalArray::decrement(): moving iterator beyond end" );
+   if ( it.currentItemIndex_ == 0 )
+   {
+      it.currentItemIndex_ = itemsPerPage-1;
+      --(it.currentPageIndex_);
+   }
+   else
+   {
+      --(it.currentItemIndex_);
+   }
+}
+
+
+Value &
+ValueInternalArray::unsafeDereference( const IteratorState &it )
+{
+   return (*(it.currentPageIndex_))[it.currentItemIndex_];
+}
+
+
+Value &
+ValueInternalArray::dereference( const IteratorState &it )
+{
+   JSON_ASSERT_MESSAGE( it.array_  &&
+      (it.currentPageIndex_ - it.array_->pages_)*itemsPerPage + it.currentItemIndex_
+      < it.array_->size_,
+      "ValueInternalArray::dereference(): dereferencing invalid iterator" );
+   return unsafeDereference( it );
+}
+
+void 
+ValueInternalArray::makeBeginIterator( IteratorState &it ) const
+{
+   it.array_ = const_cast<ValueInternalArray *>( this );
+   it.currentItemIndex_ = 0;
+   it.currentPageIndex_ = pages_;
+}
+
+
+void 
+ValueInternalArray::makeIterator( IteratorState &it, ArrayIndex index ) const
+{
+   it.array_ = const_cast<ValueInternalArray *>( this );
+   it.currentItemIndex_ = index % itemsPerPage;
+   it.currentPageIndex_ = pages_ + index / itemsPerPage;
+}
+
+
+void 
+ValueInternalArray::makeEndIterator( IteratorState &it ) const
+{
+   makeIterator( it, size_ );
+}
+
+
+ValueInternalArray::ValueInternalArray()
+   : pages_( 0 )
+   , size_( 0 )
+   , pageCount_( 0 )
+{
+}
+
+
+ValueInternalArray::ValueInternalArray( const ValueInternalArray &other )
+   : pages_( 0 )
+   , size_( other.size_ )
+   , pageCount_( 0 )
+{
+   PageIndex minNewPages = other.size_ / itemsPerPage;
+   arrayAllocator()->reallocateArrayPageIndex( pages_, pageCount_, minNewPages );
+   JSON_ASSERT_MESSAGE( pageCount_ >= minNewPages, 
+                        "ValueInternalArray::reserve(): bad reallocation" );
+   IteratorState itOther;
+   other.makeBeginIterator( itOther );
+   Value *value;
+   for ( ArrayIndex index = 0; index < size_; ++index, increment(itOther) )
+   {
+      if ( index % itemsPerPage == 0 )
+      {
+         PageIndex pageIndex = index / itemsPerPage;
+         value = arrayAllocator()->allocateArrayPage();
+         pages_[pageIndex] = value;
+      }
+      new (value) Value( dereference( itOther ) );
+   }
+}
+
+
+ValueInternalArray &
+ValueInternalArray::operator =( const ValueInternalArray &other )
+{
+   ValueInternalArray temp( other );
+   swap( temp );
+   return *this;
+}
+
+
+ValueInternalArray::~ValueInternalArray()
+{
+   // destroy all constructed items
+   IteratorState it;
+   IteratorState itEnd;
+   makeBeginIterator( it);
+   makeEndIterator( itEnd );
+   for ( ; !equals(it,itEnd); increment(it) )
+   {
+      Value *value = &dereference(it);
+      value->~Value();
+   }
+   // release all pages
+   PageIndex lastPageIndex = size_ / itemsPerPage;
+   for ( PageIndex pageIndex = 0; pageIndex < lastPageIndex; ++pageIndex )
+      arrayAllocator()->releaseArrayPage( pages_[pageIndex] );
+   // release pages index
+   arrayAllocator()->releaseArrayPageIndex( pages_, pageCount_ );
+}
+
+
+void 
+ValueInternalArray::swap( ValueInternalArray &other )
+{
+   Value **tempPages = pages_;
+   pages_ = other.pages_;
+   other.pages_ = tempPages;
+   ArrayIndex tempSize = size_;
+   size_ = other.size_;
+   other.size_ = tempSize;
+   PageIndex tempPageCount = pageCount_;
+   pageCount_ = other.pageCount_;
+   other.pageCount_ = tempPageCount;
+}
+
+void 
+ValueInternalArray::clear()
+{
+   ValueInternalArray dummy;
+   swap( dummy );
+}
+
+
+void 
+ValueInternalArray::resize( ArrayIndex newSize )
+{
+   if ( newSize == 0 )
+      clear();
+   else if ( newSize < size_ )
+   {
+      IteratorState it;
+      IteratorState itEnd;
+      makeIterator( it, newSize );
+      makeIterator( itEnd, size_ );
+      for ( ; !equals(it,itEnd); increment(it) )
+      {
+         Value *value = &dereference(it);
+         value->~Value();
+      }
+      PageIndex pageIndex = (newSize + itemsPerPage - 1) / itemsPerPage;
+      PageIndex lastPageIndex = size_ / itemsPerPage;
+      for ( ; pageIndex < lastPageIndex; ++pageIndex )
+         arrayAllocator()->releaseArrayPage( pages_[pageIndex] );
+      size_ = newSize;
+   }
+   else if ( newSize > size_ )
+      resolveReference( newSize );
+}
+
+
+void 
+ValueInternalArray::makeIndexValid( ArrayIndex index )
+{
+   // Need to enlarge page index ?
+   if ( index >= pageCount_ * itemsPerPage )
+   {
+      PageIndex minNewPages = (index + 1) / itemsPerPage;
+      arrayAllocator()->reallocateArrayPageIndex( pages_, pageCount_, minNewPages );
+      JSON_ASSERT_MESSAGE( pageCount_ >= minNewPages, "ValueInternalArray::reserve(): bad reallocation" );
+   }
+
+   // Need to allocate new pages ?
+   ArrayIndex nextPageIndex = 
+      (size_ % itemsPerPage) != 0 ? size_ - (size_%itemsPerPage) + itemsPerPage
+                                  : size_;
+   if ( nextPageIndex <= index )
+   {
+      PageIndex pageIndex = nextPageIndex / itemsPerPage;
+      PageIndex pageToAllocate = (index - nextPageIndex) / itemsPerPage + 1;
+      for ( ; pageToAllocate-- > 0; ++pageIndex )
+         pages_[pageIndex] = arrayAllocator()->allocateArrayPage();
+   }
+
+   // Initialize all new entries
+   IteratorState it;
+   IteratorState itEnd;
+   makeIterator( it, size_ );
+   size_ = index + 1;
+   makeIterator( itEnd, size_ );
+   for ( ; !equals(it,itEnd); increment(it) )
+   {
+      Value *value = &dereference(it);
+      new (value) Value(); // Construct a default value using placement new
+   }
+}
+
+Value &
+ValueInternalArray::resolveReference( ArrayIndex index )
+{
+   if ( index >= size_ )
+      makeIndexValid( index );
+   return pages_[index/itemsPerPage][index%itemsPerPage];
+}
+
+Value *
+ValueInternalArray::find( ArrayIndex index ) const
+{
+   if ( index >= size_ )
+      return 0;
+   return &(pages_[index/itemsPerPage][index%itemsPerPage]);
+}
+
+ValueInternalArray::ArrayIndex 
+ValueInternalArray::size() const
+{
+   return size_;
+}
+
+int 
+ValueInternalArray::distance( const IteratorState &x, const IteratorState &y )
+{
+   return indexOf(y) - indexOf(x);
+}
+
+
+ValueInternalArray::ArrayIndex 
+ValueInternalArray::indexOf( const IteratorState &iterator )
+{
+   if ( !iterator.array_ )
+      return ArrayIndex(-1);
+   return ArrayIndex(
+      (iterator.currentPageIndex_ - iterator.array_->pages_) * itemsPerPage 
+      + iterator.currentItemIndex_ );
+}
+
+
+int 
+ValueInternalArray::compare( const ValueInternalArray &other ) const
+{
+   int sizeDiff( size_ - other.size_ );
+   if ( sizeDiff != 0 )
+      return sizeDiff;
+   
+   for ( ArrayIndex index =0; index < size_; ++index )
+   {
+      int diff = pages_[index/itemsPerPage][index%itemsPerPage].compare( 
+         other.pages_[index/itemsPerPage][index%itemsPerPage] );
+      if ( diff != 0 )
+         return diff;
+   }
+   return 0;
+}
+
+} // namespace Json
diff --git a/src/lib_json/json_internalmap.inl b/src/lib_json/json_internalmap.inl
new file mode 100644
index 0000000..f2fa160
--- /dev/null
+++ b/src/lib_json/json_internalmap.inl
@@ -0,0 +1,615 @@
+// Copyright 2007-2010 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+// included by json_value.cpp
+
+namespace Json {
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class ValueInternalMap
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+/** \internal MUST be safely initialized using memset( this, 0, sizeof(ValueInternalLink) );
+   * This optimization is used by the fast allocator.
+   */
+ValueInternalLink::ValueInternalLink()
+   : previous_( 0 )
+   , next_( 0 )
+{
+}
+
+ValueInternalLink::~ValueInternalLink()
+{ 
+   for ( int index =0; index < itemPerLink; ++index )
+   {
+      if ( !items_[index].isItemAvailable() )
+      {
+         if ( !items_[index].isMemberNameStatic() )
+            free( keys_[index] );
+      }
+      else
+         break;
+   }
+}
+
+
+
+ValueMapAllocator::~ValueMapAllocator()
+{
+}
+
+#ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
+class DefaultValueMapAllocator : public ValueMapAllocator
+{
+public: // overridden from ValueMapAllocator
+   virtual ValueInternalMap *newMap()
+   {
+      return new ValueInternalMap();
+   }
+
+   virtual ValueInternalMap *newMapCopy( const ValueInternalMap &other )
+   {
+      return new ValueInternalMap( other );
+   }
+
+   virtual void destructMap( ValueInternalMap *map )
+   {
+      delete map;
+   }
+
+   virtual ValueInternalLink *allocateMapBuckets( unsigned int size )
+   {
+      return new ValueInternalLink[size];
+   }
+
+   virtual void releaseMapBuckets( ValueInternalLink *links )
+   {
+      delete [] links;
+   }
+
+   virtual ValueInternalLink *allocateMapLink()
+   {
+      return new ValueInternalLink();
+   }
+
+   virtual void releaseMapLink( ValueInternalLink *link )
+   {
+      delete link;
+   }
+};
+#else
+/// @todo make this thread-safe (lock when accessign batch allocator)
+class DefaultValueMapAllocator : public ValueMapAllocator
+{
+public: // overridden from ValueMapAllocator
+   virtual ValueInternalMap *newMap()
+   {
+      ValueInternalMap *map = mapsAllocator_.allocate();
+      new (map) ValueInternalMap(); // placement new
+      return map;
+   }
+
+   virtual ValueInternalMap *newMapCopy( const ValueInternalMap &other )
+   {
+      ValueInternalMap *map = mapsAllocator_.allocate();
+      new (map) ValueInternalMap( other ); // placement new
+      return map;
+   }
+
+   virtual void destructMap( ValueInternalMap *map )
+   {
+      if ( map )
+      {
+         map->~ValueInternalMap();
+         mapsAllocator_.release( map );
+      }
+   }
+
+   virtual ValueInternalLink *allocateMapBuckets( unsigned int size )
+   {
+      return new ValueInternalLink[size];
+   }
+
+   virtual void releaseMapBuckets( ValueInternalLink *links )
+   {
+      delete [] links;
+   }
+
+   virtual ValueInternalLink *allocateMapLink()
+   {
+      ValueInternalLink *link = linksAllocator_.allocate();
+      memset( link, 0, sizeof(ValueInternalLink) );
+      return link;
+   }
+
+   virtual void releaseMapLink( ValueInternalLink *link )
+   {
+      link->~ValueInternalLink();
+      linksAllocator_.release( link );
+   }
+private:
+   BatchAllocator<ValueInternalMap,1> mapsAllocator_;
+   BatchAllocator<ValueInternalLink,1> linksAllocator_;
+};
+#endif
+
+static ValueMapAllocator *&mapAllocator()
+{
+   static DefaultValueMapAllocator defaultAllocator;
+   static ValueMapAllocator *mapAllocator = &defaultAllocator;
+   return mapAllocator;
+}
+
+static struct DummyMapAllocatorInitializer {
+   DummyMapAllocatorInitializer() 
+   {
+      mapAllocator();      // ensure mapAllocator() statics are initialized before main().
+   }
+} dummyMapAllocatorInitializer;
+
+
+
+// h(K) = value * K >> w ; with w = 32 & K prime w.r.t. 2^32.
+
+/*
+use linked list hash map. 
+buckets array is a container.
+linked list element contains 6 key/values. (memory = (16+4) * 6 + 4 = 124)
+value have extra state: valid, available, deleted
+*/
+
+
+ValueInternalMap::ValueInternalMap()
+   : buckets_( 0 )
+   , tailLink_( 0 )
+   , bucketsSize_( 0 )
+   , itemCount_( 0 )
+{
+}
+
+
+ValueInternalMap::ValueInternalMap( const ValueInternalMap &other )
+   : buckets_( 0 )
+   , tailLink_( 0 )
+   , bucketsSize_( 0 )
+   , itemCount_( 0 )
+{
+   reserve( other.itemCount_ );
+   IteratorState it;
+   IteratorState itEnd;
+   other.makeBeginIterator( it );
+   other.makeEndIterator( itEnd );
+   for ( ; !equals(it,itEnd); increment(it) )
+   {
+      bool isStatic;
+      const char *memberName = key( it, isStatic );
+      const Value &aValue = value( it );
+      resolveReference(memberName, isStatic) = aValue;
+   }
+}
+
+
+ValueInternalMap &
+ValueInternalMap::operator =( const ValueInternalMap &other )
+{
+   ValueInternalMap dummy( other );
+   swap( dummy );
+   return *this;
+}
+
+
+ValueInternalMap::~ValueInternalMap()
+{
+   if ( buckets_ )
+   {
+      for ( BucketIndex bucketIndex =0; bucketIndex < bucketsSize_; ++bucketIndex )
+      {
+         ValueInternalLink *link = buckets_[bucketIndex].next_;
+         while ( link )
+         {
+            ValueInternalLink *linkToRelease = link;
+            link = link->next_;
+            mapAllocator()->releaseMapLink( linkToRelease );
+         }
+      }
+      mapAllocator()->releaseMapBuckets( buckets_ );
+   }
+}
+
+
+void 
+ValueInternalMap::swap( ValueInternalMap &other )
+{
+   ValueInternalLink *tempBuckets = buckets_;
+   buckets_ = other.buckets_;
+   other.buckets_ = tempBuckets;
+   ValueInternalLink *tempTailLink = tailLink_;
+   tailLink_ = other.tailLink_;
+   other.tailLink_ = tempTailLink;
+   BucketIndex tempBucketsSize = bucketsSize_;
+   bucketsSize_ = other.bucketsSize_;
+   other.bucketsSize_ = tempBucketsSize;
+   BucketIndex tempItemCount = itemCount_;
+   itemCount_ = other.itemCount_;
+   other.itemCount_ = tempItemCount;
+}
+
+
+void 
+ValueInternalMap::clear()
+{
+   ValueInternalMap dummy;
+   swap( dummy );
+}
+
+
+ValueInternalMap::BucketIndex 
+ValueInternalMap::size() const
+{
+   return itemCount_;
+}
+
+bool 
+ValueInternalMap::reserveDelta( BucketIndex growth )
+{
+   return reserve( itemCount_ + growth );
+}
+
+bool 
+ValueInternalMap::reserve( BucketIndex newItemCount )
+{
+   if ( !buckets_  &&  newItemCount > 0 )
+   {
+      buckets_ = mapAllocator()->allocateMapBuckets( 1 );
+      bucketsSize_ = 1;
+      tailLink_ = &buckets_[0];
+   }
+//   BucketIndex idealBucketCount = (newItemCount + ValueInternalLink::itemPerLink) / ValueInternalLink::itemPerLink;
+   return true;
+}
+
+
+const Value *
+ValueInternalMap::find( const char *key ) const
+{
+   if ( !bucketsSize_ )
+      return 0;
+   HashKey hashedKey = hash( key );
+   BucketIndex bucketIndex = hashedKey % bucketsSize_;
+   for ( const ValueInternalLink *current = &buckets_[bucketIndex]; 
+         current != 0; 
+         current = current->next_ )
+   {
+      for ( BucketIndex index=0; index < ValueInternalLink::itemPerLink; ++index )
+      {
+         if ( current->items_[index].isItemAvailable() )
+            return 0;
+         if ( strcmp( key, current->keys_[index] ) == 0 )
+            return &current->items_[index];
+      }
+   }
+   return 0;
+}
+
+
+Value *
+ValueInternalMap::find( const char *key )
+{
+   const ValueInternalMap *constThis = this;
+   return const_cast<Value *>( constThis->find( key ) );
+}
+
+
+Value &
+ValueInternalMap::resolveReference( const char *key,
+                                    bool isStatic )
+{
+   HashKey hashedKey = hash( key );
+   if ( bucketsSize_ )
+   {
+      BucketIndex bucketIndex = hashedKey % bucketsSize_;
+      ValueInternalLink **previous = 0;
+      BucketIndex index;
+      for ( ValueInternalLink *current = &buckets_[bucketIndex]; 
+            current != 0; 
+            previous = &current->next_, current = current->next_ )
+      {
+         for ( index=0; index < ValueInternalLink::itemPerLink; ++index )
+         {
+            if ( current->items_[index].isItemAvailable() )
+               return setNewItem( key, isStatic, current, index );
+            if ( strcmp( key, current->keys_[index] ) == 0 )
+               return current->items_[index];
+         }
+      }
+   }
+
+   reserveDelta( 1 );
+   return unsafeAdd( key, isStatic, hashedKey );
+}
+
+
+void 
+ValueInternalMap::remove( const char *key )
+{
+   HashKey hashedKey = hash( key );
+   if ( !bucketsSize_ )
+      return;
+   BucketIndex bucketIndex = hashedKey % bucketsSize_;
+   for ( ValueInternalLink *link = &buckets_[bucketIndex]; 
+         link != 0; 
+         link = link->next_ )
+   {
+      BucketIndex index;
+      for ( index =0; index < ValueInternalLink::itemPerLink; ++index )
+      {
+         if ( link->items_[index].isItemAvailable() )
+            return;
+         if ( strcmp( key, link->keys_[index] ) == 0 )
+         {
+            doActualRemove( link, index, bucketIndex );
+            return;
+         }
+      }
+   }
+}
+
+void 
+ValueInternalMap::doActualRemove( ValueInternalLink *link, 
+                                  BucketIndex index,
+                                  BucketIndex bucketIndex )
+{
+   // find last item of the bucket and swap it with the 'removed' one.
+   // set removed items flags to 'available'.
+   // if last page only contains 'available' items, then desallocate it (it's empty)
+   ValueInternalLink *&lastLink = getLastLinkInBucket( index );
+   BucketIndex lastItemIndex = 1; // a link can never be empty, so start at 1
+   for ( ;   
+         lastItemIndex < ValueInternalLink::itemPerLink; 
+         ++lastItemIndex ) // may be optimized with dicotomic search
+   {
+      if ( lastLink->items_[lastItemIndex].isItemAvailable() )
+         break;
+   }
+   
+   BucketIndex lastUsedIndex = lastItemIndex - 1;
+   Value *valueToDelete = &link->items_[index];
+   Value *valueToPreserve = &lastLink->items_[lastUsedIndex];
+   if ( valueToDelete != valueToPreserve )
+      valueToDelete->swap( *valueToPreserve );
+   if ( lastUsedIndex == 0 )  // page is now empty
+   {  // remove it from bucket linked list and delete it.
+      ValueInternalLink *linkPreviousToLast = lastLink->previous_;
+      if ( linkPreviousToLast != 0 )   // can not deleted bucket link.
+      {
+         mapAllocator()->releaseMapLink( lastLink );
+         linkPreviousToLast->next_ = 0;
+         lastLink = linkPreviousToLast;
+      }
+   }
+   else
+   {
+      Value dummy;
+      valueToPreserve->swap( dummy ); // restore deleted to default Value.
+      valueToPreserve->setItemUsed( false );
+   }
+   --itemCount_;
+}
+
+
+ValueInternalLink *&
+ValueInternalMap::getLastLinkInBucket( BucketIndex bucketIndex )
+{
+   if ( bucketIndex == bucketsSize_ - 1 )
+      return tailLink_;
+   ValueInternalLink *&previous = buckets_[bucketIndex+1].previous_;
+   if ( !previous )
+      previous = &buckets_[bucketIndex];
+   return previous;
+}
+
+
+Value &
+ValueInternalMap::setNewItem( const char *key, 
+                              bool isStatic,
+                              ValueInternalLink *link, 
+                              BucketIndex index )
+{
+   char *duplicatedKey = makeMemberName( key );
+   ++itemCount_;
+   link->keys_[index] = duplicatedKey;
+   link->items_[index].setItemUsed();
+   link->items_[index].setMemberNameIsStatic( isStatic );
+   return link->items_[index]; // items already default constructed.
+}
+
+
+Value &
+ValueInternalMap::unsafeAdd( const char *key, 
+                             bool isStatic, 
+                             HashKey hashedKey )
+{
+   JSON_ASSERT_MESSAGE( bucketsSize_ > 0, "ValueInternalMap::unsafeAdd(): internal logic error." );
+   BucketIndex bucketIndex = hashedKey % bucketsSize_;
+   ValueInternalLink *&previousLink = getLastLinkInBucket( bucketIndex );
+   ValueInternalLink *link = previousLink;
+   BucketIndex index;
+   for ( index =0; index < ValueInternalLink::itemPerLink; ++index )
+   {
+      if ( link->items_[index].isItemAvailable() )
+         break;
+   }
+   if ( index == ValueInternalLink::itemPerLink ) // need to add a new page
+   {
+      ValueInternalLink *newLink = mapAllocator()->allocateMapLink();
+      index = 0;
+      link->next_ = newLink;
+      previousLink = newLink;
+      link = newLink;
+   }
+   return setNewItem( key, isStatic, link, index );
+}
+
+
+ValueInternalMap::HashKey 
+ValueInternalMap::hash( const char *key ) const
+{
+   HashKey hash = 0;
+   while ( *key )
+      hash += *key++ * 37;
+   return hash;
+}
+
+
+int 
+ValueInternalMap::compare( const ValueInternalMap &other ) const
+{
+   int sizeDiff( itemCount_ - other.itemCount_ );
+   if ( sizeDiff != 0 )
+      return sizeDiff;
+   // Strict order guaranty is required. Compare all keys FIRST, then compare values.
+   IteratorState it;
+   IteratorState itEnd;
+   makeBeginIterator( it );
+   makeEndIterator( itEnd );
+   for ( ; !equals(it,itEnd); increment(it) )
+   {
+      if ( !other.find( key( it ) ) )
+         return 1;
+   }
+
+   // All keys are equals, let's compare values
+   makeBeginIterator( it );
+   for ( ; !equals(it,itEnd); increment(it) )
+   {
+      const Value *otherValue = other.find( key( it ) );
+      int valueDiff = value(it).compare( *otherValue );
+      if ( valueDiff != 0 )
+         return valueDiff;
+   }
+   return 0;
+}
+
+
+void 
+ValueInternalMap::makeBeginIterator( IteratorState &it ) const
+{
+   it.map_ = const_cast<ValueInternalMap *>( this );
+   it.bucketIndex_ = 0;
+   it.itemIndex_ = 0;
+   it.link_ = buckets_;
+}
+
+
+void 
+ValueInternalMap::makeEndIterator( IteratorState &it ) const
+{
+   it.map_ = const_cast<ValueInternalMap *>( this );
+   it.bucketIndex_ = bucketsSize_;
+   it.itemIndex_ = 0;
+   it.link_ = 0;
+}
+
+
+bool 
+ValueInternalMap::equals( const IteratorState &x, const IteratorState &other )
+{
+   return x.map_ == other.map_  
+          &&  x.bucketIndex_ == other.bucketIndex_  
+          &&  x.link_ == other.link_
+          &&  x.itemIndex_ == other.itemIndex_;
+}
+
+
+void 
+ValueInternalMap::incrementBucket( IteratorState &iterator )
+{
+   ++iterator.bucketIndex_;
+   JSON_ASSERT_MESSAGE( iterator.bucketIndex_ <= iterator.map_->bucketsSize_,
+      "ValueInternalMap::increment(): attempting to iterate beyond end." );
+   if ( iterator.bucketIndex_ == iterator.map_->bucketsSize_ )
+      iterator.link_ = 0;
+   else
+      iterator.link_ = &(iterator.map_->buckets_[iterator.bucketIndex_]);
+   iterator.itemIndex_ = 0;
+}
+
+
+void 
+ValueInternalMap::increment( IteratorState &iterator )
+{
+   JSON_ASSERT_MESSAGE( iterator.map_, "Attempting to iterator using invalid iterator." );
+   ++iterator.itemIndex_;
+   if ( iterator.itemIndex_ == ValueInternalLink::itemPerLink )
+   {
+      JSON_ASSERT_MESSAGE( iterator.link_ != 0,
+         "ValueInternalMap::increment(): attempting to iterate beyond end." );
+      iterator.link_ = iterator.link_->next_;
+      if ( iterator.link_ == 0 )
+         incrementBucket( iterator );
+   }
+   else if ( iterator.link_->items_[iterator.itemIndex_].isItemAvailable() )
+   {
+      incrementBucket( iterator );
+   }
+}
+
+
+void 
+ValueInternalMap::decrement( IteratorState &iterator )
+{
+   if ( iterator.itemIndex_ == 0 )
+   {
+      JSON_ASSERT_MESSAGE( iterator.map_, "Attempting to iterate using invalid iterator." );
+      if ( iterator.link_ == &iterator.map_->buckets_[iterator.bucketIndex_] )
+      {
+         JSON_ASSERT_MESSAGE( iterator.bucketIndex_ > 0, "Attempting to iterate beyond beginning." );
+         --(iterator.bucketIndex_);
+      }
+      iterator.link_ = iterator.link_->previous_;
+      iterator.itemIndex_ = ValueInternalLink::itemPerLink - 1;
+   }
+}
+
+
+const char *
+ValueInternalMap::key( const IteratorState &iterator )
+{
+   JSON_ASSERT_MESSAGE( iterator.link_, "Attempting to iterate using invalid iterator." );
+   return iterator.link_->keys_[iterator.itemIndex_];
+}
+
+const char *
+ValueInternalMap::key( const IteratorState &iterator, bool &isStatic )
+{
+   JSON_ASSERT_MESSAGE( iterator.link_, "Attempting to iterate using invalid iterator." );
+   isStatic = iterator.link_->items_[iterator.itemIndex_].isMemberNameStatic();
+   return iterator.link_->keys_[iterator.itemIndex_];
+}
+
+
+Value &
+ValueInternalMap::value( const IteratorState &iterator )
+{
+   JSON_ASSERT_MESSAGE( iterator.link_, "Attempting to iterate using invalid iterator." );
+   return iterator.link_->items_[iterator.itemIndex_];
+}
+
+
+int 
+ValueInternalMap::distance( const IteratorState &x, const IteratorState &y )
+{
+   int offset = 0;
+   IteratorState it = x;
+   while ( !equals( it, y ) )
+      increment( it );
+   return offset;
+}
+
+} // namespace Json
diff --git a/src/lib_json/json_reader.cpp b/src/lib_json/json_reader.cpp
new file mode 100644
index 0000000..1f3873a
--- /dev/null
+++ b/src/lib_json/json_reader.cpp
@@ -0,0 +1,918 @@
+// Copyright 2007-2011 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+#if !defined(JSON_IS_AMALGAMATION)
+# include <json/assertions.h>
+# include <json/reader.h>
+# include <json/value.h>
+# include "json_tool.h"
+#endif // if !defined(JSON_IS_AMALGAMATION)
+#include <utility>
+#include <cstdio>
+#include <cassert>
+#include <cstring>
+#include <stdexcept>
+
+#if _MSC_VER >= 1400 // VC++ 8.0
+#pragma warning( disable : 4996 )   // disable warning about strdup being deprecated.
+#endif
+
+namespace Json {
+
+// Implementation of class Features
+// ////////////////////////////////
+
+Features::Features()
+   : allowComments_( true )
+   , strictRoot_( false )
+{
+}
+
+
+Features 
+Features::all()
+{
+   return Features();
+}
+
+
+Features 
+Features::strictMode()
+{
+   Features features;
+   features.allowComments_ = false;
+   features.strictRoot_ = true;
+   return features;
+}
+
+// Implementation of class Reader
+// ////////////////////////////////
+
+
+static inline bool 
+in( Reader::Char c, Reader::Char c1, Reader::Char c2, Reader::Char c3, Reader::Char c4 )
+{
+   return c == c1  ||  c == c2  ||  c == c3  ||  c == c4;
+}
+
+static inline bool 
+in( Reader::Char c, Reader::Char c1, Reader::Char c2, Reader::Char c3, Reader::Char c4, Reader::Char c5 )
+{
+   return c == c1  ||  c == c2  ||  c == c3  ||  c == c4  ||  c == c5;
+}
+
+
+static bool 
+containsNewLine( Reader::Location begin, 
+                 Reader::Location end )
+{
+   for ( ;begin < end; ++begin )
+      if ( *begin == '\n'  ||  *begin == '\r' )
+         return true;
+   return false;
+}
+
+
+// Class Reader
+// //////////////////////////////////////////////////////////////////
+
+Reader::Reader()
+    : errors_(),
+      document_(),
+      begin_(),
+      end_(),
+      current_(),
+      lastValueEnd_(),
+      lastValue_(),
+      commentsBefore_(),
+      features_( Features::all() ),
+      collectComments_()
+{
+}
+
+
+Reader::Reader( const Features &features )
+    : errors_(),
+      document_(),
+      begin_(),
+      end_(),
+      current_(),
+      lastValueEnd_(),
+      lastValue_(),
+      commentsBefore_(),
+      features_( features ),
+      collectComments_()
+{
+}
+
+
+bool
+Reader::parse( const std::string &document, 
+               Value &root,
+               bool collectComments )
+{
+   document_ = document;
+   const char *begin = document_.c_str();
+   const char *end = begin + document_.length();
+   return parse( begin, end, root, collectComments );
+}
+
+
+bool
+Reader::parse( std::istream& sin,
+               Value &root,
+               bool collectComments )
+{
+   //std::istream_iterator<char> begin(sin);
+   //std::istream_iterator<char> end;
+   // Those would allow streamed input from a file, if parse() were a
+   // template function.
+
+   // Since std::string is reference-counted, this at least does not
+   // create an extra copy.
+   std::string doc;
+   std::getline(sin, doc, (char)EOF);
+   return parse( doc, root, collectComments );
+}
+
+bool 
+Reader::parse( const char *beginDoc, const char *endDoc, 
+               Value &root,
+               bool collectComments )
+{
+   if ( !features_.allowComments_ )
+   {
+      collectComments = false;
+   }
+
+   begin_ = beginDoc;
+   end_ = endDoc;
+   collectComments_ = collectComments;
+   current_ = begin_;
+   lastValueEnd_ = 0;
+   lastValue_ = 0;
+   commentsBefore_ = "";
+   errors_.clear();
+   while ( !nodes_.empty() )
+      nodes_.pop();
+   nodes_.push( &root );
+   
+   bool successful = readValue();
+   Token token;
+   skipCommentTokens( token );
+   if ( collectComments_  &&  !commentsBefore_.empty() )
+      root.setComment( commentsBefore_, commentAfter );
+   if ( features_.strictRoot_ )
+   {
+      if ( !root.isArray()  &&  !root.isObject() )
+      {
+         // Set error location to start of doc, ideally should be first token found in doc
+         token.type_ = tokenError;
+         token.start_ = beginDoc;
+         token.end_ = endDoc;
+         addError( "A valid JSON document must be either an array or an object value.",
+                   token );
+         return false;
+      }
+   }
+   return successful;
+}
+
+
+bool
+Reader::readValue()
+{
+   Token token;
+   skipCommentTokens( token );
+   bool successful = true;
+
+   if ( collectComments_  &&  !commentsBefore_.empty() )
+   {
+      currentValue().setComment( commentsBefore_, commentBefore );
+      commentsBefore_ = "";
+   }
+
+
+   switch ( token.type_ )
+   {
+   case tokenObjectBegin:
+      successful = readObject( token );
+      break;
+   case tokenArrayBegin:
+      successful = readArray( token );
+      break;
+   case tokenNumber:
+      successful = decodeNumber( token );
+      break;
+   case tokenString:
+      successful = decodeString( token );
+      break;
+   case tokenTrue:
+      currentValue() = true;
+      break;
+   case tokenFalse:
+      currentValue() = false;
+      break;
+   case tokenNull:
+      currentValue() = Value();
+      break;
+   default:
+      return addError( "Syntax error: value, object or array expected.", token );
+   }
+
+   if ( collectComments_ )
+   {
+      lastValueEnd_ = current_;
+      lastValue_ = &currentValue();
+   }
+
+   return successful;
+}
+
+
+void 
+Reader::skipCommentTokens( Token &token )
+{
+   if ( features_.allowComments_ )
+   {
+      do
+      {
+         readToken( token );
+      }
+      while ( token.type_ == tokenComment );
+   }
+   else
+   {
+      readToken( token );
+   }
+}
+
+
+bool 
+Reader::expectToken( TokenType type, Token &token, const char *message )
+{
+   readToken( token );
+   if ( token.type_ != type )
+      return addError( message, token );
+   return true;
+}
+
+
+bool 
+Reader::readToken( Token &token )
+{
+   skipSpaces();
+   token.start_ = current_;
+   Char c = getNextChar();
+   bool ok = true;
+   switch ( c )
+   {
+   case '{':
+      token.type_ = tokenObjectBegin;
+      break;
+   case '}':
+      token.type_ = tokenObjectEnd;
+      break;
+   case '[':
+      token.type_ = tokenArrayBegin;
+      break;
+   case ']':
+      token.type_ = tokenArrayEnd;
+      break;
+   case '"':
+      token.type_ = tokenString;
+      ok = readString();
+      break;
+   case '/':
+      token.type_ = tokenComment;
+      ok = readComment();
+      break;
+   case '0':
+   case '1':
+   case '2':
+   case '3':
+   case '4':
+   case '5':
+   case '6':
+   case '7':
+   case '8':
+   case '9':
+   case '-':
+      token.type_ = tokenNumber;
+      readNumber();
+      break;
+   case 't':
+      token.type_ = tokenTrue;
+      ok = match( "rue", 3 );
+      break;
+   case 'f':
+      token.type_ = tokenFalse;
+      ok = match( "alse", 4 );
+      break;
+   case 'n':
+      token.type_ = tokenNull;
+      ok = match( "ull", 3 );
+      break;
+   case ',':
+      token.type_ = tokenArraySeparator;
+      break;
+   case ':':
+      token.type_ = tokenMemberSeparator;
+      break;
+   case 0:
+      token.type_ = tokenEndOfStream;
+      break;
+   default:
+      ok = false;
+      break;
+   }
+   if ( !ok )
+      token.type_ = tokenError;
+   token.end_ = current_;
+   return true;
+}
+
+
+void 
+Reader::skipSpaces()
+{
+   while ( current_ != end_ )
+   {
+      Char c = *current_;
+      if ( c == ' '  ||  c == '\t'  ||  c == '\r'  ||  c == '\n' )
+         ++current_;
+      else
+         break;
+   }
+}
+
+
+bool 
+Reader::match( Location pattern, 
+               int patternLength )
+{
+   if ( end_ - current_ < patternLength )
+      return false;
+   int index = patternLength;
+   while ( index-- )
+      if ( current_[index] != pattern[index] )
+         return false;
+   current_ += patternLength;
+   return true;
+}
+
+
+bool
+Reader::readComment()
+{
+   Location commentBegin = current_ - 1;
+   Char c = getNextChar();
+   bool successful = false;
+   if ( c == '*' )
+      successful = readCStyleComment();
+   else if ( c == '/' )
+      successful = readCppStyleComment();
+   if ( !successful )
+      return false;
+
+   if ( collectComments_ )
+   {
+      CommentPlacement placement = commentBefore;
+      if ( lastValueEnd_  &&  !containsNewLine( lastValueEnd_, commentBegin ) )
+      {
+         if ( c != '*'  ||  !containsNewLine( commentBegin, current_ ) )
+            placement = commentAfterOnSameLine;
+      }
+
+      addComment( commentBegin, current_, placement );
+   }
+   return true;
+}
+
+
+void 
+Reader::addComment( Location begin, 
+                    Location end, 
+                    CommentPlacement placement )
+{
+   assert( collectComments_ );
+   if ( placement == commentAfterOnSameLine )
+   {
+      assert( lastValue_ != 0 );
+      lastValue_->setComment( std::string( begin, end ), placement );
+   }
+   else
+   {
+      if ( !commentsBefore_.empty() )
+         commentsBefore_ += "\n";
+      commentsBefore_ += std::string( begin, end );
+   }
+}
+
+
+bool 
+Reader::readCStyleComment()
+{
+   while ( current_ != end_ )
+   {
+      Char c = getNextChar();
+      if ( c == '*'  &&  *current_ == '/' )
+         break;
+   }
+   return getNextChar() == '/';
+}
+
+
+bool 
+Reader::readCppStyleComment()
+{
+   while ( current_ != end_ )
+   {
+      Char c = getNextChar();
+      if (  c == '\r'  ||  c == '\n' )
+         break;
+   }
+   return true;
+}
+
+
+void 
+Reader::readNumber()
+{
+   while ( current_ != end_ )
+   {
+      if ( !(*current_ >= '0'  &&  *current_ <= '9')  &&
+           !in( *current_, '.', 'e', 'E', '+', '-' ) )
+         break;
+      ++current_;
+   }
+}
+
+bool
+Reader::readString()
+{
+   Char c = 0;
+   while ( current_ != end_ )
+   {
+      c = getNextChar();
+      if ( c == '\\' )
+         getNextChar();
+      else if ( c == '"' )
+         break;
+   }
+   return c == '"';
+}
+
+
+bool 
+Reader::readObject( Token &/*tokenStart*/ )
+{
+   Token tokenName;
+   std::string name;
+   currentValue() = Value( objectValue );
+   while ( readToken( tokenName ) )
+   {
+      bool initialTokenOk = true;
+      while ( tokenName.type_ == tokenComment  &&  initialTokenOk )
+         initialTokenOk = readToken( tokenName );
+      if  ( !initialTokenOk )
+         break;
+      if ( tokenName.type_ == tokenObjectEnd  &&  name.empty() )  // empty object
+         return true;
+      if ( tokenName.type_ != tokenString )
+         break;
+      
+      name = "";
+      if ( !decodeString( tokenName, name ) )
+         return recoverFromError( tokenObjectEnd );
+
+      Token colon;
+      if ( !readToken( colon ) ||  colon.type_ != tokenMemberSeparator )
+      {
+         return addErrorAndRecover( "Missing ':' after object member name", 
+                                    colon, 
+                                    tokenObjectEnd );
+      }
+      Value &value = currentValue()[ name ];
+      nodes_.push( &value );
+      bool ok = readValue();
+      nodes_.pop();
+      if ( !ok ) // error already set
+         return recoverFromError( tokenObjectEnd );
+
+      Token comma;
+      if ( !readToken( comma )
+            ||  ( comma.type_ != tokenObjectEnd  &&  
+                  comma.type_ != tokenArraySeparator &&
+                  comma.type_ != tokenComment ) )
+      {
+         return addErrorAndRecover( "Missing ',' or '}' in object declaration", 
+                                    comma, 
+                                    tokenObjectEnd );
+      }
+      bool finalizeTokenOk = true;
+      while ( comma.type_ == tokenComment &&
+              finalizeTokenOk )
+         finalizeTokenOk = readToken( comma );
+      if ( comma.type_ == tokenObjectEnd )
+         return true;
+   }
+   return addErrorAndRecover( "Missing '}' or object member name", 
+                              tokenName, 
+                              tokenObjectEnd );
+}
+
+
+bool 
+Reader::readArray( Token &/*tokenStart*/ )
+{
+   currentValue() = Value( arrayValue );
+   skipSpaces();
+   if ( *current_ == ']' ) // empty array
+   {
+      Token endArray;
+      readToken( endArray );
+      return true;
+   }
+   int index = 0;
+   for (;;)
+   {
+      Value &value = currentValue()[ index++ ];
+      nodes_.push( &value );
+      bool ok = readValue();
+      nodes_.pop();
+      if ( !ok ) // error already set
+         return recoverFromError( tokenArrayEnd );
+
+      Token token;
+      // Accept Comment after last item in the array.
+      ok = readToken( token );
+      while ( token.type_ == tokenComment  &&  ok )
+      {
+         ok = readToken( token );
+      }
+      bool badTokenType = ( token.type_ != tokenArraySeparator  &&
+                            token.type_ != tokenArrayEnd );
+      if ( !ok  ||  badTokenType )
+      {
+         return addErrorAndRecover( "Missing ',' or ']' in array declaration", 
+                                    token, 
+                                    tokenArrayEnd );
+      }
+      if ( token.type_ == tokenArrayEnd )
+         break;
+   }
+   return true;
+}
+
+
+bool 
+Reader::decodeNumber( Token &token )
+{
+   bool isDouble = false;
+   for ( Location inspect = token.start_; inspect != token.end_; ++inspect )
+   {
+      isDouble = isDouble  
+                 ||  in( *inspect, '.', 'e', 'E', '+' )  
+                 ||  ( *inspect == '-'  &&  inspect != token.start_ );
+   }
+   if ( isDouble )
+      return decodeDouble( token );
+   // Attempts to parse the number as an integer. If the number is
+   // larger than the maximum supported value of an integer then
+   // we decode the number as a double.
+   Location current = token.start_;
+   bool isNegative = *current == '-';
+   if ( isNegative )
+      ++current;
+   Value::LargestUInt maxIntegerValue = isNegative ? Value::LargestUInt(-Value::minLargestInt) 
+                                                   : Value::maxLargestUInt;
+   Value::LargestUInt threshold = maxIntegerValue / 10;
+   Value::LargestUInt value = 0;
+   while ( current < token.end_ )
+   {
+      Char c = *current++;
+      if ( c < '0'  ||  c > '9' )
+         return addError( "'" + std::string( token.start_, token.end_ ) + "' is not a number.", token );
+      Value::UInt digit(c - '0');
+      if ( value >= threshold )
+      {
+         // We've hit or exceeded the max value divided by 10 (rounded down). If
+         // a) we've only just touched the limit, b) this is the last digit, and
+         // c) it's small enough to fit in that rounding delta, we're okay.
+         // Otherwise treat this number as a double to avoid overflow.
+         if (value > threshold ||
+             current != token.end_ ||
+             digit > maxIntegerValue % 10)
+         {
+            return decodeDouble( token );
+         }
+      }
+      value = value * 10 + digit;
+   }
+   if ( isNegative )
+      currentValue() = -Value::LargestInt( value );
+   else if ( value <= Value::LargestUInt(Value::maxInt) )
+      currentValue() = Value::LargestInt( value );
+   else
+      currentValue() = value;
+   return true;
+}
+
+
+bool 
+Reader::decodeDouble( Token &token )
+{
+   double value = 0;
+   const int bufferSize = 32;
+   int count;
+   int length = int(token.end_ - token.start_);
+
+   // Sanity check to avoid buffer overflow exploits.
+   if (length < 0) {
+      return addError( "Unable to parse token length", token );
+   }
+
+   // Avoid using a string constant for the format control string given to
+   // sscanf, as this can cause hard to debug crashes on OS X. See here for more
+   // info:
+   //
+   //     http://developer.apple.com/library/mac/#DOCUMENTATION/DeveloperTools/gcc-4.0.1/gcc/Incompatibilities.html
+   char format[] = "%lf";
+
+   if ( length <= bufferSize )
+   {
+      Char buffer[bufferSize+1];
+      memcpy( buffer, token.start_, length );
+      buffer[length] = 0;
+      count = sscanf( buffer, format, &value );
+   }
+   else
+   {
+      std::string buffer( token.start_, token.end_ );
+      count = sscanf( buffer.c_str(), format, &value );
+   }
+
+   if ( count != 1 )
+      return addError( "'" + std::string( token.start_, token.end_ ) + "' is not a number.", token );
+   currentValue() = value;
+   return true;
+}
+
+
+bool 
+Reader::decodeString( Token &token )
+{
+   std::string decoded;
+   if ( !decodeString( token, decoded ) )
+      return false;
+   currentValue() = decoded;
+   return true;
+}
+
+
+bool 
+Reader::decodeString( Token &token, std::string &decoded )
+{
+   decoded.reserve( token.end_ - token.start_ - 2 );
+   Location current = token.start_ + 1; // skip '"'
+   Location end = token.end_ - 1;      // do not include '"'
+   while ( current != end )
+   {
+      Char c = *current++;
+      if ( c == '"' )
+         break;
+      else if ( c == '\\' )
+      {
+         if ( current == end )
+            return addError( "Empty escape sequence in string", token, current );
+         Char escape = *current++;
+         switch ( escape )
+         {
+         case '"': decoded += '"'; break;
+         case '/': decoded += '/'; break;
+         case '\\': decoded += '\\'; break;
+         case 'b': decoded += '\b'; break;
+         case 'f': decoded += '\f'; break;
+         case 'n': decoded += '\n'; break;
+         case 'r': decoded += '\r'; break;
+         case 't': decoded += '\t'; break;
+         case 'u':
+            {
+               unsigned int unicode;
+               if ( !decodeUnicodeCodePoint( token, current, end, unicode ) )
+                  return false;
+               decoded += codePointToUTF8(unicode);
+            }
+            break;
+         default:
+            return addError( "Bad escape sequence in string", token, current );
+         }
+      }
+      else
+      {
+         decoded += c;
+      }
+   }
+   return true;
+}
+
+bool
+Reader::decodeUnicodeCodePoint( Token &token, 
+                                     Location &current, 
+                                     Location end, 
+                                     unsigned int &unicode )
+{
+
+   if ( !decodeUnicodeEscapeSequence( token, current, end, unicode ) )
+      return false;
+   if (unicode >= 0xD800 && unicode <= 0xDBFF)
+   {
+      // surrogate pairs
+      if (end - current < 6)
+         return addError( "additional six characters expected to parse unicode surrogate pair.", token, current );
+      unsigned int surrogatePair;
+      if (*(current++) == '\\' && *(current++)== 'u')
+      {
+         if (decodeUnicodeEscapeSequence( token, current, end, surrogatePair ))
+         {
+            unicode = 0x10000 + ((unicode & 0x3FF) << 10) + (surrogatePair & 0x3FF);
+         } 
+         else
+            return false;
+      } 
+      else
+         return addError( "expecting another \\u token to begin the second half of a unicode surrogate pair", token, current );
+   }
+   return true;
+}
+
+bool 
+Reader::decodeUnicodeEscapeSequence( Token &token, 
+                                     Location &current, 
+                                     Location end, 
+                                     unsigned int &unicode )
+{
+   if ( end - current < 4 )
+      return addError( "Bad unicode escape sequence in string: four digits expected.", token, current );
+   unicode = 0;
+   for ( int index =0; index < 4; ++index )
+   {
+      Char c = *current++;
+      unicode *= 16;
+      if ( c >= '0'  &&  c <= '9' )
+         unicode += c - '0';
+      else if ( c >= 'a'  &&  c <= 'f' )
+         unicode += c - 'a' + 10;
+      else if ( c >= 'A'  &&  c <= 'F' )
+         unicode += c - 'A' + 10;
+      else
+         return addError( "Bad unicode escape sequence in string: hexadecimal digit expected.", token, current );
+   }
+   return true;
+}
+
+
+bool 
+Reader::addError( const std::string &message, 
+                  Token &token,
+                  Location extra )
+{
+   ErrorInfo info;
+   info.token_ = token;
+   info.message_ = message;
+   info.extra_ = extra;
+   errors_.push_back( info );
+   return false;
+}
+
+
+bool 
+Reader::recoverFromError( TokenType skipUntilToken )
+{
+   int errorCount = int(errors_.size());
+   Token skip;
+   for (;;)
+   {
+      if ( !readToken(skip) )
+         errors_.resize( errorCount ); // discard errors caused by recovery
+      if ( skip.type_ == skipUntilToken  ||  skip.type_ == tokenEndOfStream )
+         break;
+   }
+   errors_.resize( errorCount );
+   return false;
+}
+
+
+bool 
+Reader::addErrorAndRecover( const std::string &message, 
+                            Token &token,
+                            TokenType skipUntilToken )
+{
+   addError( message, token );
+   return recoverFromError( skipUntilToken );
+}
+
+
+Value &
+Reader::currentValue()
+{
+   return *(nodes_.top());
+}
+
+
+Reader::Char 
+Reader::getNextChar()
+{
+   if ( current_ == end_ )
+      return 0;
+   return *current_++;
+}
+
+
+void 
+Reader::getLocationLineAndColumn( Location location,
+                                  int &line,
+                                  int &column ) const
+{
+   Location current = begin_;
+   Location lastLineStart = current;
+   line = 0;
+   while ( current < location  &&  current != end_ )
+   {
+      Char c = *current++;
+      if ( c == '\r' )
+      {
+         if ( *current == '\n' )
+            ++current;
+         lastLineStart = current;
+         ++line;
+      }
+      else if ( c == '\n' )
+      {
+         lastLineStart = current;
+         ++line;
+      }
+   }
+   // column & line start at 1
+   column = int(location - lastLineStart) + 1;
+   ++line;
+}
+
+
+std::string
+Reader::getLocationLineAndColumn( Location location ) const
+{
+   int line, column;
+   getLocationLineAndColumn( location, line, column );
+   char buffer[18+16+16+1];
+   sprintf( buffer, "Line %d, Column %d", line, column );
+   return buffer;
+}
+
+
+// Deprecated. Preserved for backward compatibility
+std::string 
+Reader::getFormatedErrorMessages() const
+{
+    return getFormattedErrorMessages();
+}
+
+
+std::string 
+Reader::getFormattedErrorMessages() const
+{
+   std::string formattedMessage;
+   for ( Errors::const_iterator itError = errors_.begin();
+         itError != errors_.end();
+         ++itError )
+   {
+      const ErrorInfo &error = *itError;
+      formattedMessage += "* " + getLocationLineAndColumn( error.token_.start_ ) + "\n";
+      formattedMessage += "  " + error.message_ + "\n";
+      if ( error.extra_ )
+         formattedMessage += "See " + getLocationLineAndColumn( error.extra_ ) + " for detail.\n";
+   }
+   return formattedMessage;
+}
+
+
+std::istream& operator>>( std::istream &sin, Value &root )
+{
+    Json::Reader reader;
+    bool ok = reader.parse(sin, root, true);
+    if (!ok) {
+      fprintf(
+          stderr,
+          "Error from reader: %s",
+          reader.getFormattedErrorMessages().c_str());
+
+      JSON_FAIL_MESSAGE("reader error");
+    }
+    return sin;
+}
+
+
+} // namespace Json
diff --git a/src/lib_json/json_tool.h b/src/lib_json/json_tool.h
new file mode 100644
index 0000000..658031b
--- /dev/null
+++ b/src/lib_json/json_tool.h
@@ -0,0 +1,93 @@
+// Copyright 2007-2010 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+#ifndef LIB_JSONCPP_JSON_TOOL_H_INCLUDED
+# define LIB_JSONCPP_JSON_TOOL_H_INCLUDED
+
+/* This header provides common string manipulation support, such as UTF-8,
+ * portable conversion from/to string...
+ *
+ * It is an internal header that must not be exposed.
+ */
+
+namespace Json {
+
+/// Converts a unicode code-point to UTF-8.
+static inline std::string 
+codePointToUTF8(unsigned int cp)
+{
+   std::string result;
+   
+   // based on description from http://en.wikipedia.org/wiki/UTF-8
+
+   if (cp <= 0x7f) 
+   {
+      result.resize(1);
+      result[0] = static_cast<char>(cp);
+   } 
+   else if (cp <= 0x7FF) 
+   {
+      result.resize(2);
+      result[1] = static_cast<char>(0x80 | (0x3f & cp));
+      result[0] = static_cast<char>(0xC0 | (0x1f & (cp >> 6)));
+   } 
+   else if (cp <= 0xFFFF) 
+   {
+      result.resize(3);
+      result[2] = static_cast<char>(0x80 | (0x3f & cp));
+      result[1] = 0x80 | static_cast<char>((0x3f & (cp >> 6)));
+      result[0] = 0xE0 | static_cast<char>((0xf & (cp >> 12)));
+   }
+   else if (cp <= 0x10FFFF) 
+   {
+      result.resize(4);
+      result[3] = static_cast<char>(0x80 | (0x3f & cp));
+      result[2] = static_cast<char>(0x80 | (0x3f & (cp >> 6)));
+      result[1] = static_cast<char>(0x80 | (0x3f & (cp >> 12)));
+      result[0] = static_cast<char>(0xF0 | (0x7 & (cp >> 18)));
+   }
+
+   return result;
+}
+
+
+/// Returns true if ch is a control character (in range [0,32[).
+static inline bool 
+isControlCharacter(char ch)
+{
+   return ch > 0 && ch <= 0x1F;
+}
+
+
+enum { 
+   /// Constant that specify the size of the buffer that must be passed to uintToString.
+   uintToStringBufferSize = 3*sizeof(LargestUInt)+1 
+};
+
+// Defines a char buffer for use with uintToString().
+typedef char UIntToStringBuffer[uintToStringBufferSize];
+
+
+/** Converts an unsigned integer to string.
+ * @param value Unsigned interger to convert to string
+ * @param current Input/Output string buffer. 
+ *        Must have at least uintToStringBufferSize chars free.
+ */
+static inline void 
+uintToString( LargestUInt value, 
+              char *&current )
+{
+   *--current = 0;
+   do
+   {
+      *--current = char(value % 10) + '0';
+      value /= 10;
+   }
+   while ( value != 0 );
+}
+
+} // namespace Json {
+
+#endif // LIB_JSONCPP_JSON_TOOL_H_INCLUDED
diff --git a/src/lib_json/json_value.cpp b/src/lib_json/json_value.cpp
new file mode 100644
index 0000000..91f312e
--- /dev/null
+++ b/src/lib_json/json_value.cpp
@@ -0,0 +1,1920 @@
+// Copyright 2011 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+#if !defined(JSON_IS_AMALGAMATION)
+# include <json/assertions.h>
+# include <json/value.h>
+# include <json/writer.h>
+# ifndef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
+#  include "json_batchallocator.h"
+# endif // #ifndef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
+#endif // if !defined(JSON_IS_AMALGAMATION)
+#include <math.h>
+#include <sstream>
+#include <utility>
+#include <stdexcept>
+#include <cstring>
+#include <cassert>
+#ifdef JSON_USE_CPPTL
+# include <cpptl/conststring.h>
+#endif
+#include <cstddef>    // size_t
+
+#define JSON_ASSERT_UNREACHABLE assert( false )
+
+namespace Json {
+
+const Value Value::null;
+const Int Value::minInt = Int( ~(UInt(-1)/2) );
+const Int Value::maxInt = Int( UInt(-1)/2 );
+const UInt Value::maxUInt = UInt(-1);
+# if defined(JSON_HAS_INT64)
+const Int64 Value::minInt64 = Int64( ~(UInt64(-1)/2) );
+const Int64 Value::maxInt64 = Int64( UInt64(-1)/2 );
+const UInt64 Value::maxUInt64 = UInt64(-1);
+// The constant is hard-coded because some compiler have trouble
+// converting Value::maxUInt64 to a double correctly (AIX/xlC).
+// Assumes that UInt64 is a 64 bits integer.
+static const double maxUInt64AsDouble = 18446744073709551615.0;
+#endif // defined(JSON_HAS_INT64)
+const LargestInt Value::minLargestInt = LargestInt( ~(LargestUInt(-1)/2) );
+const LargestInt Value::maxLargestInt = LargestInt( LargestUInt(-1)/2 );
+const LargestUInt Value::maxLargestUInt = LargestUInt(-1);
+
+
+/// Unknown size marker
+static const unsigned int unknown = (unsigned)-1;
+
+#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+template <typename T, typename U>
+static inline bool InRange(double d, T min, U max) {
+   return d >= min && d <= max;
+}
+#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+static inline double integerToDouble( Json::UInt64 value )
+{
+    return static_cast<double>( Int64(value/2) ) * 2.0 + Int64(value & 1);
+}
+
+template<typename T>
+static inline double integerToDouble( T value )
+{
+    return static_cast<double>( value );
+}
+
+template <typename T, typename U>
+static inline bool InRange(double d, T min, U max) {
+   return d >= integerToDouble(min) && d <= integerToDouble(max);
+}
+#endif // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+
+
+/** Duplicates the specified string value.
+ * @param value Pointer to the string to duplicate. Must be zero-terminated if
+ *              length is "unknown".
+ * @param length Length of the value. if equals to unknown, then it will be
+ *               computed using strlen(value).
+ * @return Pointer on the duplicate instance of string.
+ */
+static inline char *
+duplicateStringValue( const char *value, 
+                      unsigned int length = unknown )
+{
+   if ( length == unknown )
+      length = (unsigned int)strlen(value);
+
+   // Avoid an integer overflow in the call to malloc below by limiting length
+   // to a sane value.
+   if (length >= (unsigned)Value::maxInt)
+      length = Value::maxInt - 1;
+
+   char *newString = static_cast<char *>( malloc( length + 1 ) );
+   JSON_ASSERT_MESSAGE( newString != 0, "Failed to allocate string value buffer" );
+   memcpy( newString, value, length );
+   newString[length] = 0;
+   return newString;
+}
+
+
+/** Free the string duplicated by duplicateStringValue().
+ */
+static inline void 
+releaseStringValue( char *value )
+{
+   if ( value )
+      free( value );
+}
+
+} // namespace Json
+
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// ValueInternals...
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+#if !defined(JSON_IS_AMALGAMATION)
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+#  include "json_internalarray.inl"
+#  include "json_internalmap.inl"
+# endif // JSON_VALUE_USE_INTERNAL_MAP
+
+# include "json_valueiterator.inl"
+#endif // if !defined(JSON_IS_AMALGAMATION)
+
+namespace Json {
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class Value::CommentInfo
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+
+Value::CommentInfo::CommentInfo()
+   : comment_( 0 )
+{
+}
+
+Value::CommentInfo::~CommentInfo()
+{
+   if ( comment_ )
+      releaseStringValue( comment_ );
+}
+
+
+void 
+Value::CommentInfo::setComment( const char *text )
+{
+   if ( comment_ )
+      releaseStringValue( comment_ );
+   JSON_ASSERT( text != 0 );
+   JSON_ASSERT_MESSAGE( text[0]=='\0' || text[0]=='/', "Comments must start with /");
+   // It seems that /**/ style comments are acceptable as well.
+   comment_ = duplicateStringValue( text );
+}
+
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class Value::CZString
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+# ifndef JSON_VALUE_USE_INTERNAL_MAP
+
+// Notes: index_ indicates if the string was allocated when
+// a string is stored.
+
+Value::CZString::CZString( ArrayIndex index )
+   : cstr_( 0 )
+   , index_( index )
+{
+}
+
+Value::CZString::CZString( const char *cstr, DuplicationPolicy allocate )
+   : cstr_( allocate == duplicate ? duplicateStringValue(cstr) 
+                                  : cstr )
+   , index_( allocate )
+{
+}
+
+Value::CZString::CZString( const CZString &other )
+: cstr_( other.index_ != noDuplication &&  other.cstr_ != 0
+                ?  duplicateStringValue( other.cstr_ )
+                : other.cstr_ )
+   , index_( other.cstr_ ? (other.index_ == noDuplication ? noDuplication : duplicate)
+                         : other.index_ )
+{
+}
+
+Value::CZString::~CZString()
+{
+   if ( cstr_  &&  index_ == duplicate )
+      releaseStringValue( const_cast<char *>( cstr_ ) );
+}
+
+void 
+Value::CZString::swap( CZString &other )
+{
+   std::swap( cstr_, other.cstr_ );
+   std::swap( index_, other.index_ );
+}
+
+Value::CZString &
+Value::CZString::operator =( const CZString &other )
+{
+   CZString temp( other );
+   swap( temp );
+   return *this;
+}
+
+bool 
+Value::CZString::operator<( const CZString &other ) const 
+{
+   if ( cstr_ )
+      return strcmp( cstr_, other.cstr_ ) < 0;
+   return index_ < other.index_;
+}
+
+bool 
+Value::CZString::operator==( const CZString &other ) const 
+{
+   if ( cstr_ )
+      return strcmp( cstr_, other.cstr_ ) == 0;
+   return index_ == other.index_;
+}
+
+
+ArrayIndex 
+Value::CZString::index() const
+{
+   return index_;
+}
+
+
+const char *
+Value::CZString::c_str() const
+{
+   return cstr_;
+}
+
+bool 
+Value::CZString::isStaticString() const
+{
+   return index_ == noDuplication;
+}
+
+#endif // ifndef JSON_VALUE_USE_INTERNAL_MAP
+
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class Value::Value
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+/*! \internal Default constructor initialization must be equivalent to:
+ * memset( this, 0, sizeof(Value) )
+ * This optimization is used in ValueInternalMap fast allocator.
+ */
+Value::Value( ValueType type )
+   : type_( type )
+   , allocated_( false )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   switch ( type )
+   {
+   case nullValue:
+      break;
+   case intValue:
+   case uintValue:
+      value_.int_ = 0;
+      break;
+   case realValue:
+      value_.real_ = 0.0;
+      break;
+   case stringValue:
+      value_.string_ = 0;
+      break;
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:
+   case objectValue:
+      value_.map_ = new ObjectValues();
+      break;
+#else
+   case arrayValue:
+      value_.array_ = arrayAllocator()->newArray();
+      break;
+   case objectValue:
+      value_.map_ = mapAllocator()->newMap();
+      break;
+#endif
+   case booleanValue:
+      value_.bool_ = false;
+      break;
+   default:
+      JSON_ASSERT_UNREACHABLE;
+   }
+}
+
+
+Value::Value( UInt value )
+   : type_( uintValue )
+   , allocated_( false )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.uint_ = value;
+}
+
+Value::Value( Int value )
+   : type_( intValue )
+   , allocated_( false )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.int_ = value;
+}
+
+
+# if defined(JSON_HAS_INT64)
+Value::Value( Int64 value )
+   : type_( intValue )
+   , allocated_( false )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.int_ = value;
+}
+
+
+Value::Value( UInt64 value )
+   : type_( uintValue )
+   , allocated_( false )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.uint_ = value;
+}
+#endif // defined(JSON_HAS_INT64)
+
+Value::Value( double value )
+   : type_( realValue )
+   , allocated_( false )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.real_ = value;
+}
+
+Value::Value( const char *value )
+   : type_( stringValue )
+   , allocated_( true )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.string_ = duplicateStringValue( value );
+}
+
+
+Value::Value( const char *beginValue, 
+              const char *endValue )
+   : type_( stringValue )
+   , allocated_( true )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.string_ = duplicateStringValue( beginValue, 
+                                          (unsigned int)(endValue - beginValue) );
+}
+
+
+Value::Value( const std::string &value )
+   : type_( stringValue )
+   , allocated_( true )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.string_ = duplicateStringValue( value.c_str(), 
+                                          (unsigned int)value.length() );
+
+}
+
+Value::Value( const StaticString &value )
+   : type_( stringValue )
+   , allocated_( false )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.string_ = const_cast<char *>( value.c_str() );
+}
+
+
+# ifdef JSON_USE_CPPTL
+Value::Value( const CppTL::ConstString &value )
+   : type_( stringValue )
+   , allocated_( true )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.string_ = duplicateStringValue( value, value.length() );
+}
+# endif
+
+Value::Value( bool value )
+   : type_( booleanValue )
+   , allocated_( false )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   value_.bool_ = value;
+}
+
+
+Value::Value( const Value &other )
+   : type_( other.type_ )
+   , allocated_( false )
+# ifdef JSON_VALUE_USE_INTERNAL_MAP
+   , itemIsUsed_( 0 )
+#endif
+   , comments_( 0 )
+{
+   switch ( type_ )
+   {
+   case nullValue:
+   case intValue:
+   case uintValue:
+   case realValue:
+   case booleanValue:
+      value_ = other.value_;
+      break;
+   case stringValue:
+      if ( other.value_.string_ )
+      {
+         value_.string_ = duplicateStringValue( other.value_.string_ );
+         allocated_ = true;
+      }
+      else
+         value_.string_ = 0;
+      break;
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:
+   case objectValue:
+      value_.map_ = new ObjectValues( *other.value_.map_ );
+      break;
+#else
+   case arrayValue:
+      value_.array_ = arrayAllocator()->newArrayCopy( *other.value_.array_ );
+      break;
+   case objectValue:
+      value_.map_ = mapAllocator()->newMapCopy( *other.value_.map_ );
+      break;
+#endif
+   default:
+      JSON_ASSERT_UNREACHABLE;
+   }
+   if ( other.comments_ )
+   {
+      comments_ = new CommentInfo[numberOfCommentPlacement];
+      for ( int comment =0; comment < numberOfCommentPlacement; ++comment )
+      {
+         const CommentInfo &otherComment = other.comments_[comment];
+         if ( otherComment.comment_ )
+            comments_[comment].setComment( otherComment.comment_ );
+      }
+   }
+}
+
+
+Value::~Value()
+{
+   switch ( type_ )
+   {
+   case nullValue:
+   case intValue:
+   case uintValue:
+   case realValue:
+   case booleanValue:
+      break;
+   case stringValue:
+      if ( allocated_ )
+         releaseStringValue( value_.string_ );
+      break;
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:
+   case objectValue:
+      delete value_.map_;
+      break;
+#else
+   case arrayValue:
+      arrayAllocator()->destructArray( value_.array_ );
+      break;
+   case objectValue:
+      mapAllocator()->destructMap( value_.map_ );
+      break;
+#endif
+   default:
+      JSON_ASSERT_UNREACHABLE;
+   }
+
+   if ( comments_ )
+      delete[] comments_;
+}
+
+Value &
+Value::operator=( const Value &other )
+{
+   Value temp( other );
+   swap( temp );
+   return *this;
+}
+
+void 
+Value::swap( Value &other )
+{
+   ValueType temp = type_;
+   type_ = other.type_;
+   other.type_ = temp;
+   std::swap( value_, other.value_ );
+   int temp2 = allocated_;
+   allocated_ = other.allocated_;
+   other.allocated_ = temp2;
+}
+
+ValueType 
+Value::type() const
+{
+   return type_;
+}
+
+
+int 
+Value::compare( const Value &other ) const
+{
+   if ( *this < other )
+      return -1;
+   if ( *this > other )
+      return 1;
+   return 0;
+}
+
+
+bool 
+Value::operator <( const Value &other ) const
+{
+   int typeDelta = type_ - other.type_;
+   if ( typeDelta )
+      return typeDelta < 0 ? true : false;
+   switch ( type_ )
+   {
+   case nullValue:
+      return false;
+   case intValue:
+      return value_.int_ < other.value_.int_;
+   case uintValue:
+      return value_.uint_ < other.value_.uint_;
+   case realValue:
+      return value_.real_ < other.value_.real_;
+   case booleanValue:
+      return value_.bool_ < other.value_.bool_;
+   case stringValue:
+      return ( value_.string_ == 0  &&  other.value_.string_ )
+             || ( other.value_.string_  
+                  &&  value_.string_  
+                  && strcmp( value_.string_, other.value_.string_ ) < 0 );
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:
+   case objectValue:
+      {
+         int delta = int( value_.map_->size() - other.value_.map_->size() );
+         if ( delta )
+            return delta < 0;
+         return (*value_.map_) < (*other.value_.map_);
+      }
+#else
+   case arrayValue:
+      return value_.array_->compare( *(other.value_.array_) ) < 0;
+   case objectValue:
+      return value_.map_->compare( *(other.value_.map_) ) < 0;
+#endif
+   default:
+      JSON_ASSERT_UNREACHABLE;
+   }
+   return false;  // unreachable
+}
+
+bool 
+Value::operator <=( const Value &other ) const
+{
+   return !(other < *this);
+}
+
+bool 
+Value::operator >=( const Value &other ) const
+{
+   return !(*this < other);
+}
+
+bool 
+Value::operator >( const Value &other ) const
+{
+   return other < *this;
+}
+
+bool 
+Value::operator ==( const Value &other ) const
+{
+   //if ( type_ != other.type_ )
+   // GCC 2.95.3 says:
+   // attempt to take address of bit-field structure member `Json::Value::type_'
+   // Beats me, but a temp solves the problem.
+   int temp = other.type_;
+   if ( type_ != temp )
+      return false;
+   switch ( type_ )
+   {
+   case nullValue:
+      return true;
+   case intValue:
+      return value_.int_ == other.value_.int_;
+   case uintValue:
+      return value_.uint_ == other.value_.uint_;
+   case realValue:
+      return value_.real_ == other.value_.real_;
+   case booleanValue:
+      return value_.bool_ == other.value_.bool_;
+   case stringValue:
+      return ( value_.string_ == other.value_.string_ )
+             || ( other.value_.string_  
+                  &&  value_.string_  
+                  && strcmp( value_.string_, other.value_.string_ ) == 0 );
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:
+   case objectValue:
+      return value_.map_->size() == other.value_.map_->size()
+             && (*value_.map_) == (*other.value_.map_);
+#else
+   case arrayValue:
+      return value_.array_->compare( *(other.value_.array_) ) == 0;
+   case objectValue:
+      return value_.map_->compare( *(other.value_.map_) ) == 0;
+#endif
+   default:
+      JSON_ASSERT_UNREACHABLE;
+   }
+   return false;  // unreachable
+}
+
+bool 
+Value::operator !=( const Value &other ) const
+{
+   return !( *this == other );
+}
+
+const char *
+Value::asCString() const
+{
+   JSON_ASSERT( type_ == stringValue );
+   return value_.string_;
+}
+
+
+std::string 
+Value::asString() const
+{
+   switch ( type_ )
+   {
+   case nullValue:
+      return "";
+   case stringValue:
+      return value_.string_ ? value_.string_ : "";
+   case booleanValue:
+      return value_.bool_ ? "true" : "false";
+   case intValue:
+      return valueToString( value_.int_ );
+   case uintValue:
+      return valueToString( value_.uint_ );
+   case realValue:
+      return valueToString( value_.real_ );
+   default:
+      JSON_FAIL_MESSAGE( "Type is not convertible to string" );
+   }
+}
+
+# ifdef JSON_USE_CPPTL
+CppTL::ConstString 
+Value::asConstString() const
+{
+   return CppTL::ConstString( asString().c_str() );
+}
+# endif
+
+
+Value::Int 
+Value::asInt() const
+{
+   switch ( type_ )
+   {
+   case intValue:
+      JSON_ASSERT_MESSAGE(isInt(), "LargestInt out of Int range");
+      return Int(value_.int_);
+   case uintValue:
+      JSON_ASSERT_MESSAGE(isInt(), "LargestUInt out of Int range");
+      return Int(value_.uint_);
+   case realValue:
+      JSON_ASSERT_MESSAGE(InRange(value_.real_, minInt, maxInt), "double out of Int range");
+      return Int(value_.real_);
+   case nullValue:
+      return 0;
+   case booleanValue:
+      return value_.bool_ ? 1 : 0;
+   default:
+      break;
+   }
+   JSON_FAIL_MESSAGE("Value is not convertible to Int.");
+}
+
+
+Value::UInt 
+Value::asUInt() const
+{
+   switch ( type_ )
+   {
+   case intValue:
+      JSON_ASSERT_MESSAGE(isUInt(), "LargestInt out of UInt range");
+      return UInt(value_.int_);
+   case uintValue:
+      JSON_ASSERT_MESSAGE(isUInt(), "LargestUInt out of UInt range");
+      return UInt(value_.uint_);
+   case realValue:
+      JSON_ASSERT_MESSAGE(InRange(value_.real_, 0, maxUInt), "double out of UInt range");
+      return UInt( value_.real_ );
+   case nullValue:
+      return 0;
+   case booleanValue:
+      return value_.bool_ ? 1 : 0;
+   default:
+      break;
+   }
+   JSON_FAIL_MESSAGE("Value is not convertible to UInt.");
+}
+
+
+# if defined(JSON_HAS_INT64)
+
+Value::Int64
+Value::asInt64() const
+{
+   switch ( type_ )
+   {
+   case intValue:
+      return Int64(value_.int_);
+   case uintValue:
+      JSON_ASSERT_MESSAGE(isInt64(), "LargestUInt out of Int64 range");
+      return Int64(value_.uint_);
+   case realValue:
+      JSON_ASSERT_MESSAGE(InRange(value_.real_, minInt64, maxInt64), "double out of Int64 range");
+      return Int64(value_.real_);
+   case nullValue:
+      return 0;
+   case booleanValue:
+      return value_.bool_ ? 1 : 0;
+   default:
+      break;
+   }
+   JSON_FAIL_MESSAGE("Value is not convertible to Int64.");
+}
+
+
+Value::UInt64
+Value::asUInt64() const
+{
+   switch ( type_ )
+   {
+   case intValue:
+      JSON_ASSERT_MESSAGE(isUInt64(), "LargestInt out of UInt64 range");
+      return UInt64(value_.int_);
+   case uintValue:
+      return UInt64(value_.uint_);
+   case realValue:
+      JSON_ASSERT_MESSAGE(InRange(value_.real_, 0, maxUInt64), "double out of UInt64 range");
+      return UInt64( value_.real_ );
+   case nullValue:
+      return 0;
+   case booleanValue:
+      return value_.bool_ ? 1 : 0;
+   default:
+      break;
+   }
+   JSON_FAIL_MESSAGE("Value is not convertible to UInt64.");
+}
+# endif // if defined(JSON_HAS_INT64)
+
+
+LargestInt 
+Value::asLargestInt() const
+{
+#if defined(JSON_NO_INT64)
+    return asInt();
+#else
+    return asInt64();
+#endif
+}
+
+
+LargestUInt 
+Value::asLargestUInt() const
+{
+#if defined(JSON_NO_INT64)
+    return asUInt();
+#else
+    return asUInt64();
+#endif
+}
+
+
+double 
+Value::asDouble() const
+{
+   switch ( type_ )
+   {
+   case intValue:
+      return static_cast<double>( value_.int_ );
+   case uintValue:
+#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+      return static_cast<double>( value_.uint_ );
+#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+      return integerToDouble( value_.uint_ );
+#endif // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+   case realValue:
+      return value_.real_;
+   case nullValue:
+      return 0.0;
+   case booleanValue:
+      return value_.bool_ ? 1.0 : 0.0;
+   default:
+      break;
+   }
+   JSON_FAIL_MESSAGE("Value is not convertible to double.");
+}
+
+float
+Value::asFloat() const
+{
+   switch ( type_ )
+   {
+   case intValue:
+      return static_cast<float>( value_.int_ );
+   case uintValue:
+#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+      return static_cast<float>( value_.uint_ );
+#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+      return integerToDouble( value_.uint_ );
+#endif // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+   case realValue:
+      return static_cast<float>( value_.real_ );
+   case nullValue:
+      return 0.0;
+   case booleanValue:
+      return value_.bool_ ? 1.0f : 0.0f;
+   default:
+      break;
+   }
+   JSON_FAIL_MESSAGE("Value is not convertible to float.");
+}
+
+bool 
+Value::asBool() const
+{
+   switch ( type_ )
+   {
+   case booleanValue:
+      return value_.bool_;
+   case nullValue:
+      return false;
+   case intValue:
+      return value_.int_ ? true : false;
+   case uintValue:
+      return value_.uint_ ? true : false;
+   case realValue:
+      return value_.real_ ? true : false;
+   default:
+      break;
+   }
+   JSON_FAIL_MESSAGE("Value is not convertible to bool.");
+}
+
+
+bool 
+Value::isConvertibleTo( ValueType other ) const
+{
+   switch ( other )
+   {
+   case nullValue:
+      return ( isNumeric() && asDouble() == 0.0 )
+             || ( type_ == booleanValue && value_.bool_ == false )
+             || ( type_ == stringValue && asString() == "" )
+             || ( type_ == arrayValue && value_.map_->size() == 0 )
+             || ( type_ == objectValue && value_.map_->size() == 0 )
+             || type_ == nullValue;
+   case intValue:
+      return isInt()
+             || (type_ == realValue && InRange(value_.real_, minInt, maxInt))
+             || type_ == booleanValue
+             || type_ == nullValue;
+   case uintValue:
+      return isUInt()
+             || (type_ == realValue && InRange(value_.real_, 0, maxUInt))
+             || type_ == booleanValue
+             || type_ == nullValue;
+   case realValue:
+      return isNumeric()
+             || type_ == booleanValue
+             || type_ == nullValue;
+   case booleanValue:
+      return isNumeric()
+             || type_ == booleanValue
+             || type_ == nullValue;
+   case stringValue:
+      return isNumeric()
+             || type_ == booleanValue
+             || type_ == stringValue
+             || type_ == nullValue;
+   case arrayValue:
+      return type_ == arrayValue
+             || type_ == nullValue;
+   case objectValue:
+      return type_ == objectValue
+             || type_ == nullValue;
+   }
+   JSON_ASSERT_UNREACHABLE;
+   return false;
+}
+
+
+/// Number of values in array or object
+ArrayIndex 
+Value::size() const
+{
+   switch ( type_ )
+   {
+   case nullValue:
+   case intValue:
+   case uintValue:
+   case realValue:
+   case booleanValue:
+   case stringValue:
+      return 0;
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:  // size of the array is highest index + 1
+      if ( !value_.map_->empty() )
+      {
+         ObjectValues::const_iterator itLast = value_.map_->end();
+         --itLast;
+         return (*itLast).first.index()+1;
+      }
+      return 0;
+   case objectValue:
+      return ArrayIndex( value_.map_->size() );
+#else
+   case arrayValue:
+      return Int( value_.array_->size() );
+   case objectValue:
+      return Int( value_.map_->size() );
+#endif
+   }
+   JSON_ASSERT_UNREACHABLE;
+   return 0; // unreachable;
+}
+
+
+bool 
+Value::empty() const
+{
+   if ( isNull() || isArray() || isObject() )
+      return size() == 0u;
+   else
+      return false;
+}
+
+
+bool
+Value::operator!() const
+{
+   return isNull();
+}
+
+
+void 
+Value::clear()
+{
+   JSON_ASSERT( type_ == nullValue  ||  type_ == arrayValue  || type_ == objectValue );
+
+   switch ( type_ )
+   {
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:
+   case objectValue:
+      value_.map_->clear();
+      break;
+#else
+   case arrayValue:
+      value_.array_->clear();
+      break;
+   case objectValue:
+      value_.map_->clear();
+      break;
+#endif
+   default:
+      break;
+   }
+}
+
+void 
+Value::resize( ArrayIndex newSize )
+{
+   JSON_ASSERT( type_ == nullValue  ||  type_ == arrayValue );
+   if ( type_ == nullValue )
+      *this = Value( arrayValue );
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   ArrayIndex oldSize = size();
+   if ( newSize == 0 )
+      clear();
+   else if ( newSize > oldSize )
+      (*this)[ newSize - 1 ];
+   else
+   {
+      for ( ArrayIndex index = newSize; index < oldSize; ++index )
+      {
+         value_.map_->erase( index );
+      }
+      assert( size() == newSize );
+   }
+#else
+   value_.array_->resize( newSize );
+#endif
+}
+
+
+Value &
+Value::operator[]( ArrayIndex index )
+{
+   JSON_ASSERT( type_ == nullValue  ||  type_ == arrayValue );
+   if ( type_ == nullValue )
+      *this = Value( arrayValue );
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   CZString key( index );
+   ObjectValues::iterator it = value_.map_->lower_bound( key );
+   if ( it != value_.map_->end()  &&  (*it).first == key )
+      return (*it).second;
+
+   ObjectValues::value_type defaultValue( key, null );
+   it = value_.map_->insert( it, defaultValue );
+   return (*it).second;
+#else
+   return value_.array_->resolveReference( index );
+#endif
+}
+
+
+Value &
+Value::operator[]( int index )
+{
+   JSON_ASSERT( index >= 0 );
+   return (*this)[ ArrayIndex(index) ];
+}
+
+
+const Value &
+Value::operator[]( ArrayIndex index ) const
+{
+   JSON_ASSERT( type_ == nullValue  ||  type_ == arrayValue );
+   if ( type_ == nullValue )
+      return null;
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   CZString key( index );
+   ObjectValues::const_iterator it = value_.map_->find( key );
+   if ( it == value_.map_->end() )
+      return null;
+   return (*it).second;
+#else
+   Value *value = value_.array_->find( index );
+   return value ? *value : null;
+#endif
+}
+
+
+const Value &
+Value::operator[]( int index ) const
+{
+   JSON_ASSERT( index >= 0 );
+   return (*this)[ ArrayIndex(index) ];
+}
+
+
+Value &
+Value::operator[]( const char *key )
+{
+   return resolveReference( key, false );
+}
+
+
+Value &
+Value::resolveReference( const char *key, 
+                         bool isStatic )
+{
+   JSON_ASSERT( type_ == nullValue  ||  type_ == objectValue );
+   if ( type_ == nullValue )
+      *this = Value( objectValue );
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   CZString actualKey( key, isStatic ? CZString::noDuplication 
+                                     : CZString::duplicateOnCopy );
+   ObjectValues::iterator it = value_.map_->lower_bound( actualKey );
+   if ( it != value_.map_->end()  &&  (*it).first == actualKey )
+      return (*it).second;
+
+   ObjectValues::value_type defaultValue( actualKey, null );
+   it = value_.map_->insert( it, defaultValue );
+   Value &value = (*it).second;
+   return value;
+#else
+   return value_.map_->resolveReference( key, isStatic );
+#endif
+}
+
+
+Value 
+Value::get( ArrayIndex index, 
+            const Value &defaultValue ) const
+{
+   const Value *value = &((*this)[index]);
+   return value == &null ? defaultValue : *value;
+}
+
+
+bool 
+Value::isValidIndex( ArrayIndex index ) const
+{
+   return index < size();
+}
+
+
+
+const Value &
+Value::operator[]( const char *key ) const
+{
+   JSON_ASSERT( type_ == nullValue  ||  type_ == objectValue );
+   if ( type_ == nullValue )
+      return null;
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   CZString actualKey( key, CZString::noDuplication );
+   ObjectValues::const_iterator it = value_.map_->find( actualKey );
+   if ( it == value_.map_->end() )
+      return null;
+   return (*it).second;
+#else
+   const Value *value = value_.map_->find( key );
+   return value ? *value : null;
+#endif
+}
+
+
+Value &
+Value::operator[]( const std::string &key )
+{
+   return (*this)[ key.c_str() ];
+}
+
+
+const Value &
+Value::operator[]( const std::string &key ) const
+{
+   return (*this)[ key.c_str() ];
+}
+
+Value &
+Value::operator[]( const StaticString &key )
+{
+   return resolveReference( key, true );
+}
+
+
+# ifdef JSON_USE_CPPTL
+Value &
+Value::operator[]( const CppTL::ConstString &key )
+{
+   return (*this)[ key.c_str() ];
+}
+
+
+const Value &
+Value::operator[]( const CppTL::ConstString &key ) const
+{
+   return (*this)[ key.c_str() ];
+}
+# endif
+
+
+Value &
+Value::append( const Value &value )
+{
+   return (*this)[size()] = value;
+}
+
+
+Value 
+Value::get( const char *key, 
+            const Value &defaultValue ) const
+{
+   const Value *value = &((*this)[key]);
+   return value == &null ? defaultValue : *value;
+}
+
+
+Value 
+Value::get( const std::string &key,
+            const Value &defaultValue ) const
+{
+   return get( key.c_str(), defaultValue );
+}
+
+Value
+Value::removeMember( const char* key )
+{
+   JSON_ASSERT( type_ == nullValue  ||  type_ == objectValue );
+   if ( type_ == nullValue )
+      return null;
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   CZString actualKey( key, CZString::noDuplication );
+   ObjectValues::iterator it = value_.map_->find( actualKey );
+   if ( it == value_.map_->end() )
+      return null;
+   Value old(it->second);
+   value_.map_->erase(it);
+   return old;
+#else
+   Value *value = value_.map_->find( key );
+   if (value){
+      Value old(*value);
+      value_.map_.remove( key );
+      return old;
+   } else {
+      return null;
+   }
+#endif
+}
+
+Value
+Value::removeMember( const std::string &key )
+{
+   return removeMember( key.c_str() );
+}
+
+# ifdef JSON_USE_CPPTL
+Value 
+Value::get( const CppTL::ConstString &key,
+            const Value &defaultValue ) const
+{
+   return get( key.c_str(), defaultValue );
+}
+# endif
+
+bool 
+Value::isMember( const char *key ) const
+{
+   const Value *value = &((*this)[key]);
+   return value != &null;
+}
+
+
+bool 
+Value::isMember( const std::string &key ) const
+{
+   return isMember( key.c_str() );
+}
+
+
+# ifdef JSON_USE_CPPTL
+bool 
+Value::isMember( const CppTL::ConstString &key ) const
+{
+   return isMember( key.c_str() );
+}
+#endif
+
+Value::Members 
+Value::getMemberNames() const
+{
+   JSON_ASSERT( type_ == nullValue  ||  type_ == objectValue );
+   if ( type_ == nullValue )
+       return Value::Members();
+   Members members;
+   members.reserve( value_.map_->size() );
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   ObjectValues::const_iterator it = value_.map_->begin();
+   ObjectValues::const_iterator itEnd = value_.map_->end();
+   for ( ; it != itEnd; ++it )
+      members.push_back( std::string( (*it).first.c_str() ) );
+#else
+   ValueInternalMap::IteratorState it;
+   ValueInternalMap::IteratorState itEnd;
+   value_.map_->makeBeginIterator( it );
+   value_.map_->makeEndIterator( itEnd );
+   for ( ; !ValueInternalMap::equals( it, itEnd ); ValueInternalMap::increment(it) )
+      members.push_back( std::string( ValueInternalMap::key( it ) ) );
+#endif
+   return members;
+}
+//
+//# ifdef JSON_USE_CPPTL
+//EnumMemberNames
+//Value::enumMemberNames() const
+//{
+//   if ( type_ == objectValue )
+//   {
+//      return CppTL::Enum::any(  CppTL::Enum::transform(
+//         CppTL::Enum::keys( *(value_.map_), CppTL::Type<const CZString &>() ),
+//         MemberNamesTransform() ) );
+//   }
+//   return EnumMemberNames();
+//}
+//
+//
+//EnumValues 
+//Value::enumValues() const
+//{
+//   if ( type_ == objectValue  ||  type_ == arrayValue )
+//      return CppTL::Enum::anyValues( *(value_.map_), 
+//                                     CppTL::Type<const Value &>() );
+//   return EnumValues();
+//}
+//
+//# endif
+
+static bool IsIntegral(double d) {
+  double integral_part;
+  return modf(d, &integral_part) == 0.0;
+}
+
+
+bool
+Value::isNull() const
+{
+   return type_ == nullValue;
+}
+
+
+bool 
+Value::isBool() const
+{
+   return type_ == booleanValue;
+}
+
+
+bool 
+Value::isInt() const
+{
+   switch ( type_ )
+   {
+   case intValue:
+      return value_.int_ >= minInt  &&  value_.int_ <= maxInt;
+   case uintValue:
+      return value_.uint_ <= UInt(maxInt);
+   case realValue:
+      return value_.real_ >= minInt &&
+             value_.real_ <= maxInt &&
+             IsIntegral(value_.real_);
+   default:
+      break;
+   }
+   return false;
+}
+
+
+bool 
+Value::isUInt() const
+{
+   switch ( type_ )
+   {
+   case intValue:
+      return value_.int_ >= 0 && LargestUInt(value_.int_) <= LargestUInt(maxUInt);
+   case uintValue:
+      return value_.uint_ <= maxUInt;
+   case realValue:
+      return value_.real_ >= 0 &&
+             value_.real_ <= maxUInt &&
+             IsIntegral(value_.real_);
+   default:
+      break;
+   }
+   return false;
+}
+
+bool 
+Value::isInt64() const
+{
+# if defined(JSON_HAS_INT64)
+   switch ( type_ )
+   {
+   case intValue:
+     return true;
+   case uintValue:
+      return value_.uint_ <= UInt64(maxInt64);
+   case realValue:
+      // Note that maxInt64 (= 2^63 - 1) is not exactly representable as a
+      // double, so double(maxInt64) will be rounded up to 2^63. Therefore we
+      // require the value to be strictly less than the limit.
+      return value_.real_ >= double(minInt64) &&
+             value_.real_ < double(maxInt64) &&
+             IsIntegral(value_.real_);
+   default:
+      break;
+   }
+# endif  // JSON_HAS_INT64
+   return false;
+}
+
+bool 
+Value::isUInt64() const
+{
+# if defined(JSON_HAS_INT64)
+   switch ( type_ )
+   {
+   case intValue:
+     return value_.int_ >= 0;
+   case uintValue:
+      return true;
+   case realValue:
+      // Note that maxUInt64 (= 2^64 - 1) is not exactly representable as a
+      // double, so double(maxUInt64) will be rounded up to 2^64. Therefore we
+      // require the value to be strictly less than the limit.
+      return value_.real_ >= 0 &&
+             value_.real_ < maxUInt64AsDouble &&
+             IsIntegral(value_.real_);
+   default:
+      break;
+   }
+# endif  // JSON_HAS_INT64
+   return false;
+}
+
+
+bool 
+Value::isIntegral() const
+{
+#if defined(JSON_HAS_INT64)
+  return isInt64() || isUInt64();
+#else
+  return isInt() || isUInt();
+#endif
+}
+
+
+bool 
+Value::isDouble() const
+{
+   return type_ == realValue || isIntegral();
+}
+
+
+bool 
+Value::isNumeric() const
+{
+   return isIntegral() || isDouble();
+}
+
+
+bool 
+Value::isString() const
+{
+   return type_ == stringValue;
+}
+
+
+bool 
+Value::isArray() const
+{
+   return type_ == arrayValue;
+}
+
+
+bool 
+Value::isObject() const
+{
+   return type_ == objectValue;
+}
+
+
+void 
+Value::setComment( const char *comment,
+                   CommentPlacement placement )
+{
+   if ( !comments_ )
+      comments_ = new CommentInfo[numberOfCommentPlacement];
+   comments_[placement].setComment( comment );
+}
+
+
+void 
+Value::setComment( const std::string &comment,
+                   CommentPlacement placement )
+{
+   setComment( comment.c_str(), placement );
+}
+
+
+bool 
+Value::hasComment( CommentPlacement placement ) const
+{
+   return comments_ != 0  &&  comments_[placement].comment_ != 0;
+}
+
+std::string 
+Value::getComment( CommentPlacement placement ) const
+{
+   if ( hasComment(placement) )
+      return comments_[placement].comment_;
+   return "";
+}
+
+
+std::string 
+Value::toStyledString() const
+{
+   StyledWriter writer;
+   return writer.write( *this );
+}
+
+
+Value::const_iterator 
+Value::begin() const
+{
+   switch ( type_ )
+   {
+#ifdef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:
+      if ( value_.array_ )
+      {
+         ValueInternalArray::IteratorState it;
+         value_.array_->makeBeginIterator( it );
+         return const_iterator( it );
+      }
+      break;
+   case objectValue:
+      if ( value_.map_ )
+      {
+         ValueInternalMap::IteratorState it;
+         value_.map_->makeBeginIterator( it );
+         return const_iterator( it );
+      }
+      break;
+#else
+   case arrayValue:
+   case objectValue:
+      if ( value_.map_ )
+         return const_iterator( value_.map_->begin() );
+      break;
+#endif
+   default:
+      break;
+   }
+   return const_iterator();
+}
+
+Value::const_iterator 
+Value::end() const
+{
+   switch ( type_ )
+   {
+#ifdef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:
+      if ( value_.array_ )
+      {
+         ValueInternalArray::IteratorState it;
+         value_.array_->makeEndIterator( it );
+         return const_iterator( it );
+      }
+      break;
+   case objectValue:
+      if ( value_.map_ )
+      {
+         ValueInternalMap::IteratorState it;
+         value_.map_->makeEndIterator( it );
+         return const_iterator( it );
+      }
+      break;
+#else
+   case arrayValue:
+   case objectValue:
+      if ( value_.map_ )
+         return const_iterator( value_.map_->end() );
+      break;
+#endif
+   default:
+      break;
+   }
+   return const_iterator();
+}
+
+
+Value::iterator 
+Value::begin()
+{
+   switch ( type_ )
+   {
+#ifdef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:
+      if ( value_.array_ )
+      {
+         ValueInternalArray::IteratorState it;
+         value_.array_->makeBeginIterator( it );
+         return iterator( it );
+      }
+      break;
+   case objectValue:
+      if ( value_.map_ )
+      {
+         ValueInternalMap::IteratorState it;
+         value_.map_->makeBeginIterator( it );
+         return iterator( it );
+      }
+      break;
+#else
+   case arrayValue:
+   case objectValue:
+      if ( value_.map_ )
+         return iterator( value_.map_->begin() );
+      break;
+#endif
+   default:
+      break;
+   }
+   return iterator();
+}
+
+Value::iterator 
+Value::end()
+{
+   switch ( type_ )
+   {
+#ifdef JSON_VALUE_USE_INTERNAL_MAP
+   case arrayValue:
+      if ( value_.array_ )
+      {
+         ValueInternalArray::IteratorState it;
+         value_.array_->makeEndIterator( it );
+         return iterator( it );
+      }
+      break;
+   case objectValue:
+      if ( value_.map_ )
+      {
+         ValueInternalMap::IteratorState it;
+         value_.map_->makeEndIterator( it );
+         return iterator( it );
+      }
+      break;
+#else
+   case arrayValue:
+   case objectValue:
+      if ( value_.map_ )
+         return iterator( value_.map_->end() );
+      break;
+#endif
+   default:
+      break;
+   }
+   return iterator();
+}
+
+
+// class PathArgument
+// //////////////////////////////////////////////////////////////////
+
+PathArgument::PathArgument()
+   : key_()
+   , index_()
+   , kind_( kindNone )
+{
+}
+
+
+PathArgument::PathArgument( ArrayIndex index )
+   : key_()
+   , index_( index )
+   , kind_( kindIndex )
+{
+}
+
+
+PathArgument::PathArgument( const char *key )
+   : key_( key )
+   , index_()
+   , kind_( kindKey )
+{
+}
+
+
+PathArgument::PathArgument( const std::string &key )
+   : key_( key.c_str() )
+   , index_()
+   , kind_( kindKey )
+{
+}
+
+// class Path
+// //////////////////////////////////////////////////////////////////
+
+Path::Path( const std::string &path,
+            const PathArgument &a1,
+            const PathArgument &a2,
+            const PathArgument &a3,
+            const PathArgument &a4,
+            const PathArgument &a5 )
+{
+   InArgs in;
+   in.push_back( &a1 );
+   in.push_back( &a2 );
+   in.push_back( &a3 );
+   in.push_back( &a4 );
+   in.push_back( &a5 );
+   makePath( path, in );
+}
+
+
+void 
+Path::makePath( const std::string &path,
+                const InArgs &in )
+{
+   const char *current = path.c_str();
+   const char *end = current + path.length();
+   InArgs::const_iterator itInArg = in.begin();
+   while ( current != end )
+   {
+      if ( *current == '[' )
+      {
+         ++current;
+         if ( *current == '%' )
+            addPathInArg( path, in, itInArg, PathArgument::kindIndex );
+         else
+         {
+            ArrayIndex index = 0;
+            for ( ; current != end && *current >= '0'  &&  *current <= '9'; ++current )
+               index = index * 10 + ArrayIndex(*current - '0');
+            args_.push_back( index );
+         }
+         if ( current == end  ||  *current++ != ']' )
+            invalidPath( path, int(current - path.c_str()) );
+      }
+      else if ( *current == '%' )
+      {
+         addPathInArg( path, in, itInArg, PathArgument::kindKey );
+         ++current;
+      }
+      else if ( *current == '.' )
+      {
+         ++current;
+      }
+      else
+      {
+         const char *beginName = current;
+         while ( current != end  &&  !strchr( "[.", *current ) )
+            ++current;
+         args_.push_back( std::string( beginName, current ) );
+      }
+   }
+}
+
+
+void 
+Path::addPathInArg( const std::string &path, 
+                    const InArgs &in, 
+                    InArgs::const_iterator &itInArg, 
+                    PathArgument::Kind kind )
+{
+   if ( itInArg == in.end() )
+   {
+      // Error: missing argument %d
+   }
+   else if ( (*itInArg)->kind_ != kind )
+   {
+      // Error: bad argument type
+   }
+   else
+   {
+      args_.push_back( **itInArg );
+   }
+}
+
+
+void 
+Path::invalidPath( const std::string &path, 
+                   int location )
+{
+   // Error: invalid path.
+}
+
+
+const Value &
+Path::resolve( const Value &root ) const
+{
+   const Value *node = &root;
+   for ( Args::const_iterator it = args_.begin(); it != args_.end(); ++it )
+   {
+      const PathArgument &arg = *it;
+      if ( arg.kind_ == PathArgument::kindIndex )
+      {
+         if ( !node->isArray()  ||  !node->isValidIndex( arg.index_ ) )
+         {
+            // Error: unable to resolve path (array value expected at position...
+         }
+         node = &((*node)[arg.index_]);
+      }
+      else if ( arg.kind_ == PathArgument::kindKey )
+      {
+         if ( !node->isObject() )
+         {
+            // Error: unable to resolve path (object value expected at position...)
+         }
+         node = &((*node)[arg.key_]);
+         if ( node == &Value::null )
+         {
+            // Error: unable to resolve path (object has no member named '' at position...)
+         }
+      }
+   }
+   return *node;
+}
+
+
+Value 
+Path::resolve( const Value &root, 
+               const Value &defaultValue ) const
+{
+   const Value *node = &root;
+   for ( Args::const_iterator it = args_.begin(); it != args_.end(); ++it )
+   {
+      const PathArgument &arg = *it;
+      if ( arg.kind_ == PathArgument::kindIndex )
+      {
+         if ( !node->isArray()  ||  !node->isValidIndex( arg.index_ ) )
+            return defaultValue;
+         node = &((*node)[arg.index_]);
+      }
+      else if ( arg.kind_ == PathArgument::kindKey )
+      {
+         if ( !node->isObject() )
+            return defaultValue;
+         node = &((*node)[arg.key_]);
+         if ( node == &Value::null )
+            return defaultValue;
+      }
+   }
+   return *node;
+}
+
+
+Value &
+Path::make( Value &root ) const
+{
+   Value *node = &root;
+   for ( Args::const_iterator it = args_.begin(); it != args_.end(); ++it )
+   {
+      const PathArgument &arg = *it;
+      if ( arg.kind_ == PathArgument::kindIndex )
+      {
+         if ( !node->isArray() )
+         {
+            // Error: node is not an array at position ...
+         }
+         node = &((*node)[arg.index_]);
+      }
+      else if ( arg.kind_ == PathArgument::kindKey )
+      {
+         if ( !node->isObject() )
+         {
+            // Error: node is not an object at position...
+         }
+         node = &((*node)[arg.key_]);
+      }
+   }
+   return *node;
+}
+
+
+} // namespace Json
diff --git a/src/lib_json/json_valueiterator.inl b/src/lib_json/json_valueiterator.inl
new file mode 100644
index 0000000..7457ca3
--- /dev/null
+++ b/src/lib_json/json_valueiterator.inl
@@ -0,0 +1,299 @@
+// Copyright 2007-2010 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+// included by json_value.cpp
+
+namespace Json {
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class ValueIteratorBase
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+ValueIteratorBase::ValueIteratorBase()
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   : current_()
+   , isNull_( true )
+{
+}
+#else
+   : isArray_( true )
+   , isNull_( true )
+{
+   iterator_.array_ = ValueInternalArray::IteratorState();
+}
+#endif
+
+
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+ValueIteratorBase::ValueIteratorBase( const Value::ObjectValues::iterator &current )
+   : current_( current )
+   , isNull_( false )
+{
+}
+#else
+ValueIteratorBase::ValueIteratorBase( const ValueInternalArray::IteratorState &state )
+   : isArray_( true )
+{
+   iterator_.array_ = state;
+}
+
+
+ValueIteratorBase::ValueIteratorBase( const ValueInternalMap::IteratorState &state )
+   : isArray_( false )
+{
+   iterator_.map_ = state;
+}
+#endif
+
+Value &
+ValueIteratorBase::deref() const
+{
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   return current_->second;
+#else
+   if ( isArray_ )
+      return ValueInternalArray::dereference( iterator_.array_ );
+   return ValueInternalMap::value( iterator_.map_ );
+#endif
+}
+
+
+void 
+ValueIteratorBase::increment()
+{
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   ++current_;
+#else
+   if ( isArray_ )
+      ValueInternalArray::increment( iterator_.array_ );
+   ValueInternalMap::increment( iterator_.map_ );
+#endif
+}
+
+
+void 
+ValueIteratorBase::decrement()
+{
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   --current_;
+#else
+   if ( isArray_ )
+      ValueInternalArray::decrement( iterator_.array_ );
+   ValueInternalMap::decrement( iterator_.map_ );
+#endif
+}
+
+
+ValueIteratorBase::difference_type 
+ValueIteratorBase::computeDistance( const SelfType &other ) const
+{
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+# ifdef JSON_USE_CPPTL_SMALLMAP
+   return current_ - other.current_;
+# else
+   // Iterator for null value are initialized using the default
+   // constructor, which initialize current_ to the default
+   // std::map::iterator. As begin() and end() are two instance 
+   // of the default std::map::iterator, they can not be compared.
+   // To allow this, we handle this comparison specifically.
+   if ( isNull_  &&  other.isNull_ )
+   {
+      return 0;
+   }
+
+
+   // Usage of std::distance is not portable (does not compile with Sun Studio 12 RogueWave STL,
+   // which is the one used by default).
+   // Using a portable hand-made version for non random iterator instead:
+   //   return difference_type( std::distance( current_, other.current_ ) );
+   difference_type myDistance = 0;
+   for ( Value::ObjectValues::iterator it = current_; it != other.current_; ++it )
+   {
+      ++myDistance;
+   }
+   return myDistance;
+# endif
+#else
+   if ( isArray_ )
+      return ValueInternalArray::distance( iterator_.array_, other.iterator_.array_ );
+   return ValueInternalMap::distance( iterator_.map_, other.iterator_.map_ );
+#endif
+}
+
+
+bool 
+ValueIteratorBase::isEqual( const SelfType &other ) const
+{
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   if ( isNull_ )
+   {
+      return other.isNull_;
+   }
+   return current_ == other.current_;
+#else
+   if ( isArray_ )
+      return ValueInternalArray::equals( iterator_.array_, other.iterator_.array_ );
+   return ValueInternalMap::equals( iterator_.map_, other.iterator_.map_ );
+#endif
+}
+
+
+void 
+ValueIteratorBase::copy( const SelfType &other )
+{
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   current_ = other.current_;
+#else
+   if ( isArray_ )
+      iterator_.array_ = other.iterator_.array_;
+   iterator_.map_ = other.iterator_.map_;
+#endif
+}
+
+
+Value 
+ValueIteratorBase::key() const
+{
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   const Value::CZString czstring = (*current_).first;
+   if ( czstring.c_str() )
+   {
+      if ( czstring.isStaticString() )
+         return Value( StaticString( czstring.c_str() ) );
+      return Value( czstring.c_str() );
+   }
+   return Value( czstring.index() );
+#else
+   if ( isArray_ )
+      return Value( ValueInternalArray::indexOf( iterator_.array_ ) );
+   bool isStatic;
+   const char *memberName = ValueInternalMap::key( iterator_.map_, isStatic );
+   if ( isStatic )
+      return Value( StaticString( memberName ) );
+   return Value( memberName );
+#endif
+}
+
+
+UInt 
+ValueIteratorBase::index() const
+{
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   const Value::CZString czstring = (*current_).first;
+   if ( !czstring.c_str() )
+      return czstring.index();
+   return Value::UInt( -1 );
+#else
+   if ( isArray_ )
+      return Value::UInt( ValueInternalArray::indexOf( iterator_.array_ ) );
+   return Value::UInt( -1 );
+#endif
+}
+
+
+const char *
+ValueIteratorBase::memberName() const
+{
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+   const char *name = (*current_).first.c_str();
+   return name ? name : "";
+#else
+   if ( !isArray_ )
+      return ValueInternalMap::key( iterator_.map_ );
+   return "";
+#endif
+}
+
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class ValueConstIterator
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+ValueConstIterator::ValueConstIterator()
+{
+}
+
+
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+ValueConstIterator::ValueConstIterator( const Value::ObjectValues::iterator &current )
+   : ValueIteratorBase( current )
+{
+}
+#else
+ValueConstIterator::ValueConstIterator( const ValueInternalArray::IteratorState &state )
+   : ValueIteratorBase( state )
+{
+}
+
+ValueConstIterator::ValueConstIterator( const ValueInternalMap::IteratorState &state )
+   : ValueIteratorBase( state )
+{
+}
+#endif
+
+ValueConstIterator &
+ValueConstIterator::operator =( const ValueIteratorBase &other )
+{
+   copy( other );
+   return *this;
+}
+
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class ValueIterator
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+ValueIterator::ValueIterator()
+{
+}
+
+
+#ifndef JSON_VALUE_USE_INTERNAL_MAP
+ValueIterator::ValueIterator( const Value::ObjectValues::iterator &current )
+   : ValueIteratorBase( current )
+{
+}
+#else
+ValueIterator::ValueIterator( const ValueInternalArray::IteratorState &state )
+   : ValueIteratorBase( state )
+{
+}
+
+ValueIterator::ValueIterator( const ValueInternalMap::IteratorState &state )
+   : ValueIteratorBase( state )
+{
+}
+#endif
+
+ValueIterator::ValueIterator( const ValueConstIterator &other )
+   : ValueIteratorBase( other )
+{
+}
+
+ValueIterator::ValueIterator( const ValueIterator &other )
+   : ValueIteratorBase( other )
+{
+}
+
+ValueIterator &
+ValueIterator::operator =( const SelfType &other )
+{
+   copy( other );
+   return *this;
+}
+
+} // namespace Json
diff --git a/src/lib_json/json_writer.cpp b/src/lib_json/json_writer.cpp
new file mode 100644
index 0000000..b44def3
--- /dev/null
+++ b/src/lib_json/json_writer.cpp
@@ -0,0 +1,841 @@
+// Copyright 2011 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+#if !defined(JSON_IS_AMALGAMATION)
+# include <json/writer.h>
+# include "json_tool.h"
+#endif // if !defined(JSON_IS_AMALGAMATION)
+#include <utility>
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <sstream>
+#include <iomanip>
+
+#if _MSC_VER >= 1400 // VC++ 8.0
+#pragma warning( disable : 4996 )   // disable warning about strdup being deprecated.
+#endif
+
+namespace Json {
+
+static bool containsControlCharacter( const char* str )
+{
+   while ( *str ) 
+   {
+      if ( isControlCharacter( *(str++) ) )
+         return true;
+   }
+   return false;
+}
+
+
+std::string valueToString( LargestInt value )
+{
+   UIntToStringBuffer buffer;
+   char *current = buffer + sizeof(buffer);
+   bool isNegative = value < 0;
+   if ( isNegative )
+      value = -value;
+   uintToString( LargestUInt(value), current );
+   if ( isNegative )
+      *--current = '-';
+   assert( current >= buffer );
+   return current;
+}
+
+
+std::string valueToString( LargestUInt value )
+{
+   UIntToStringBuffer buffer;
+   char *current = buffer + sizeof(buffer);
+   uintToString( value, current );
+   assert( current >= buffer );
+   return current;
+}
+
+#if defined(JSON_HAS_INT64)
+
+std::string valueToString( Int value )
+{
+   return valueToString( LargestInt(value) );
+}
+
+
+std::string valueToString( UInt value )
+{
+   return valueToString( LargestUInt(value) );
+}
+
+#endif // # if defined(JSON_HAS_INT64)
+
+
+std::string valueToString( double value )
+{
+   char buffer[32];
+#if defined(_MSC_VER) && defined(__STDC_SECURE_LIB__) // Use secure version with visual studio 2005 to avoid warning. 
+   sprintf_s(buffer, sizeof(buffer), "%#.16g", value); 
+#else	
+   sprintf(buffer, "%#.16g", value); 
+#endif
+   char* ch = buffer + strlen(buffer) - 1;
+   if (*ch != '0') return buffer; // nothing to truncate, so save time
+   while(ch > buffer && *ch == '0'){
+     --ch;
+   }
+   char* last_nonzero = ch;
+   while(ch >= buffer){
+     switch(*ch){
+     case '0':
+     case '1':
+     case '2':
+     case '3':
+     case '4':
+     case '5':
+     case '6':
+     case '7':
+     case '8':
+     case '9':
+       --ch;
+       continue;
+     case '.':
+       // Truncate zeroes to save bytes in output, but keep one.
+       *(last_nonzero+2) = '\0';
+       return buffer;
+     default:
+       return buffer;
+     }
+   }
+   return buffer;
+}
+
+
+std::string valueToString( bool value )
+{
+   return value ? "true" : "false";
+}
+
+std::string valueToQuotedString( const char *value )
+{
+   if (value == NULL)
+      return "";
+   // Not sure how to handle unicode...
+   if (strpbrk(value, "\"\\\b\f\n\r\t") == NULL && !containsControlCharacter( value ))
+      return std::string("\"") + value + "\"";
+   // We have to walk value and escape any special characters.
+   // Appending to std::string is not efficient, but this should be rare.
+   // (Note: forward slashes are *not* rare, but I am not escaping them.)
+   std::string::size_type maxsize = strlen(value)*2 + 3; // allescaped+quotes+NULL
+   std::string result;
+   result.reserve(maxsize); // to avoid lots of mallocs
+   result += "\"";
+   for (const char* c=value; *c != 0; ++c)
+   {
+      switch(*c)
+      {
+         case '\"':
+            result += "\\\"";
+            break;
+         case '\\':
+            result += "\\\\";
+            break;
+         case '\b':
+            result += "\\b";
+            break;
+         case '\f':
+            result += "\\f";
+            break;
+         case '\n':
+            result += "\\n";
+            break;
+         case '\r':
+            result += "\\r";
+            break;
+         case '\t':
+            result += "\\t";
+            break;
+         //case '/':
+            // Even though \/ is considered a legal escape in JSON, a bare
+            // slash is also legal, so I see no reason to escape it.
+            // (I hope I am not misunderstanding something.
+            // blep notes: actually escaping \/ may be useful in javascript to avoid </ 
+            // sequence.
+            // Should add a flag to allow this compatibility mode and prevent this 
+            // sequence from occurring.
+         default:
+            if ( isControlCharacter( *c ) )
+            {
+               std::ostringstream oss;
+               oss << "\\u" << std::hex << std::uppercase << std::setfill('0') << std::setw(4) << static_cast<int>(*c);
+               result += oss.str();
+            }
+            else
+            {
+               result += *c;
+            }
+            break;
+      }
+   }
+   result += "\"";
+   return result;
+}
+
+// Class Writer
+// //////////////////////////////////////////////////////////////////
+Writer::~Writer()
+{
+}
+
+
+// Class FastWriter
+// //////////////////////////////////////////////////////////////////
+
+FastWriter::FastWriter()
+   : yamlCompatiblityEnabled_( false )
+{
+}
+
+
+void 
+FastWriter::enableYAMLCompatibility()
+{
+   yamlCompatiblityEnabled_ = true;
+}
+
+
+std::string 
+FastWriter::write( const Value &root )
+{
+   document_ = "";
+   writeValue( root );
+   document_ += "\n";
+   return document_;
+}
+
+
+void 
+FastWriter::writeValue( const Value &value )
+{
+   switch ( value.type() )
+   {
+   case nullValue:
+      document_ += "null";
+      break;
+   case intValue:
+      document_ += valueToString( value.asLargestInt() );
+      break;
+   case uintValue:
+      document_ += valueToString( value.asLargestUInt() );
+      break;
+   case realValue:
+      document_ += valueToString( value.asDouble() );
+      break;
+   case stringValue:
+      document_ += valueToQuotedString( value.asCString() );
+      break;
+   case booleanValue:
+      document_ += valueToString( value.asBool() );
+      break;
+   case arrayValue:
+      {
+         document_ += "[";
+         int size = value.size();
+         for ( int index =0; index < size; ++index )
+         {
+            if ( index > 0 )
+               document_ += ",";
+            writeValue( value[index] );
+         }
+         document_ += "]";
+      }
+      break;
+   case objectValue:
+      {
+         Value::Members members( value.getMemberNames() );
+         document_ += "{";
+         for ( Value::Members::iterator it = members.begin(); 
+               it != members.end(); 
+               ++it )
+         {
+            const std::string &name = *it;
+            if ( it != members.begin() )
+               document_ += ",";
+            document_ += valueToQuotedString( name.c_str() );
+            document_ += yamlCompatiblityEnabled_ ? ": " 
+                                                  : ":";
+            writeValue( value[name] );
+         }
+         document_ += "}";
+      }
+      break;
+   }
+}
+
+
+// Class StyledWriter
+// //////////////////////////////////////////////////////////////////
+
+StyledWriter::StyledWriter()
+   : rightMargin_( 74 )
+   , indentSize_( 3 )
+   , addChildValues_()
+{
+}
+
+
+std::string 
+StyledWriter::write( const Value &root )
+{
+   document_ = "";
+   addChildValues_ = false;
+   indentString_ = "";
+   writeCommentBeforeValue( root );
+   writeValue( root );
+   writeCommentAfterValueOnSameLine( root );
+   document_ += "\n";
+   return document_;
+}
+
+
+void 
+StyledWriter::writeValue( const Value &value )
+{
+   switch ( value.type() )
+   {
+   case nullValue:
+      pushValue( "null" );
+      break;
+   case intValue:
+      pushValue( valueToString( value.asLargestInt() ) );
+      break;
+   case uintValue:
+      pushValue( valueToString( value.asLargestUInt() ) );
+      break;
+   case realValue:
+      pushValue( valueToString( value.asDouble() ) );
+      break;
+   case stringValue:
+      pushValue( valueToQuotedString( value.asCString() ) );
+      break;
+   case booleanValue:
+      pushValue( valueToString( value.asBool() ) );
+      break;
+   case arrayValue:
+      writeArrayValue( value);
+      break;
+   case objectValue:
+      {
+         Value::Members members( value.getMemberNames() );
+         if ( members.empty() )
+            pushValue( "{}" );
+         else
+         {
+            writeWithIndent( "{" );
+            indent();
+            Value::Members::iterator it = members.begin();
+            for (;;)
+            {
+               const std::string &name = *it;
+               const Value &childValue = value[name];
+               writeCommentBeforeValue( childValue );
+               writeWithIndent( valueToQuotedString( name.c_str() ) );
+               document_ += " : ";
+               writeValue( childValue );
+               if ( ++it == members.end() )
+               {
+                  writeCommentAfterValueOnSameLine( childValue );
+                  break;
+               }
+               document_ += ",";
+               writeCommentAfterValueOnSameLine( childValue );
+            }
+            unindent();
+            writeWithIndent( "}" );
+         }
+      }
+      break;
+   }
+}
+
+
+void 
+StyledWriter::writeArrayValue( const Value &value )
+{
+   unsigned size = value.size();
+   if ( size == 0 )
+      pushValue( "[]" );
+   else
+   {
+      bool isArrayMultiLine = isMultineArray( value );
+      if ( isArrayMultiLine )
+      {
+         writeWithIndent( "[" );
+         indent();
+         bool hasChildValue = !childValues_.empty();
+         unsigned index =0;
+         for (;;)
+         {
+            const Value &childValue = value[index];
+            writeCommentBeforeValue( childValue );
+            if ( hasChildValue )
+               writeWithIndent( childValues_[index] );
+            else
+            {
+               writeIndent();
+               writeValue( childValue );
+            }
+            if ( ++index == size )
+            {
+               writeCommentAfterValueOnSameLine( childValue );
+               break;
+            }
+            document_ += ",";
+            writeCommentAfterValueOnSameLine( childValue );
+         }
+         unindent();
+         writeWithIndent( "]" );
+      }
+      else // output on a single line
+      {
+         assert( childValues_.size() == size );
+         document_ += "[ ";
+         for ( unsigned index =0; index < size; ++index )
+         {
+            if ( index > 0 )
+               document_ += ", ";
+            document_ += childValues_[index];
+         }
+         document_ += " ]";
+      }
+   }
+}
+
+
+bool 
+StyledWriter::isMultineArray( const Value &value )
+{
+   int size = value.size();
+   bool isMultiLine = size*3 >= rightMargin_ ;
+   childValues_.clear();
+   for ( int index =0; index < size  &&  !isMultiLine; ++index )
+   {
+      const Value &childValue = value[index];
+      isMultiLine = isMultiLine  ||
+                     ( (childValue.isArray()  ||  childValue.isObject())  &&  
+                        childValue.size() > 0 );
+   }
+   if ( !isMultiLine ) // check if line length > max line length
+   {
+      childValues_.reserve( size );
+      addChildValues_ = true;
+      int lineLength = 4 + (size-1)*2; // '[ ' + ', '*n + ' ]'
+      for ( int index =0; index < size  &&  !isMultiLine; ++index )
+      {
+         writeValue( value[index] );
+         lineLength += int( childValues_[index].length() );
+         isMultiLine = isMultiLine  &&  hasCommentForValue( value[index] );
+      }
+      addChildValues_ = false;
+      isMultiLine = isMultiLine  ||  lineLength >= rightMargin_;
+   }
+   return isMultiLine;
+}
+
+
+void 
+StyledWriter::pushValue( const std::string &value )
+{
+   if ( addChildValues_ )
+      childValues_.push_back( value );
+   else
+      document_ += value;
+}
+
+
+void 
+StyledWriter::writeIndent()
+{
+   if ( !document_.empty() )
+   {
+      char last = document_[document_.length()-1];
+      if ( last == ' ' )     // already indented
+         return;
+      if ( last != '\n' )    // Comments may add new-line
+         document_ += '\n';
+   }
+   document_ += indentString_;
+}
+
+
+void 
+StyledWriter::writeWithIndent( const std::string &value )
+{
+   writeIndent();
+   document_ += value;
+}
+
+
+void 
+StyledWriter::indent()
+{
+   indentString_ += std::string( indentSize_, ' ' );
+}
+
+
+void 
+StyledWriter::unindent()
+{
+   assert( int(indentString_.size()) >= indentSize_ );
+   indentString_.resize( indentString_.size() - indentSize_ );
+}
+
+
+void 
+StyledWriter::writeCommentBeforeValue( const Value &root )
+{
+   if ( !root.hasComment( commentBefore ) )
+      return;
+   document_ += normalizeEOL( root.getComment( commentBefore ) );
+   document_ += "\n";
+}
+
+
+void 
+StyledWriter::writeCommentAfterValueOnSameLine( const Value &root )
+{
+   if ( root.hasComment( commentAfterOnSameLine ) )
+      document_ += " " + normalizeEOL( root.getComment( commentAfterOnSameLine ) );
+
+   if ( root.hasComment( commentAfter ) )
+   {
+      document_ += "\n";
+      document_ += normalizeEOL( root.getComment( commentAfter ) );
+      document_ += "\n";
+   }
+}
+
+
+bool 
+StyledWriter::hasCommentForValue( const Value &value )
+{
+   return value.hasComment( commentBefore )
+          ||  value.hasComment( commentAfterOnSameLine )
+          ||  value.hasComment( commentAfter );
+}
+
+
+std::string 
+StyledWriter::normalizeEOL( const std::string &text )
+{
+   std::string normalized;
+   normalized.reserve( text.length() );
+   const char *begin = text.c_str();
+   const char *end = begin + text.length();
+   const char *current = begin;
+   while ( current != end )
+   {
+      char c = *current++;
+      if ( c == '\r' ) // mac or dos EOL
+      {
+         if ( *current == '\n' ) // convert dos EOL
+            ++current;
+         normalized += '\n';
+      }
+      else // handle unix EOL & other char
+         normalized += c;
+   }
+   return normalized;
+}
+
+
+// Class StyledStreamWriter
+// //////////////////////////////////////////////////////////////////
+
+StyledStreamWriter::StyledStreamWriter( std::string indentation )
+   : document_(NULL)
+   , rightMargin_( 74 )
+   , indentation_( indentation )
+   , addChildValues_()
+{
+}
+
+
+void
+StyledStreamWriter::write( std::ostream &out, const Value &root )
+{
+   document_ = &out;
+   addChildValues_ = false;
+   indentString_ = "";
+   writeCommentBeforeValue( root );
+   writeValue( root );
+   writeCommentAfterValueOnSameLine( root );
+   *document_ << "\n";
+   document_ = NULL; // Forget the stream, for safety.
+}
+
+
+void 
+StyledStreamWriter::writeValue( const Value &value )
+{
+   switch ( value.type() )
+   {
+   case nullValue:
+      pushValue( "null" );
+      break;
+   case intValue:
+      pushValue( valueToString( value.asLargestInt() ) );
+      break;
+   case uintValue:
+      pushValue( valueToString( value.asLargestUInt() ) );
+      break;
+   case realValue:
+      pushValue( valueToString( value.asDouble() ) );
+      break;
+   case stringValue:
+      pushValue( valueToQuotedString( value.asCString() ) );
+      break;
+   case booleanValue:
+      pushValue( valueToString( value.asBool() ) );
+      break;
+   case arrayValue:
+      writeArrayValue( value);
+      break;
+   case objectValue:
+      {
+         Value::Members members( value.getMemberNames() );
+         if ( members.empty() )
+            pushValue( "{}" );
+         else
+         {
+            writeWithIndent( "{" );
+            indent();
+            Value::Members::iterator it = members.begin();
+            for (;;)
+            {
+               const std::string &name = *it;
+               const Value &childValue = value[name];
+               writeCommentBeforeValue( childValue );
+               writeWithIndent( valueToQuotedString( name.c_str() ) );
+               *document_ << " : ";
+               writeValue( childValue );
+               if ( ++it == members.end() )
+               {
+                  writeCommentAfterValueOnSameLine( childValue );
+                  break;
+               }
+               *document_ << ",";
+               writeCommentAfterValueOnSameLine( childValue );
+            }
+            unindent();
+            writeWithIndent( "}" );
+         }
+      }
+      break;
+   }
+}
+
+
+void 
+StyledStreamWriter::writeArrayValue( const Value &value )
+{
+   unsigned size = value.size();
+   if ( size == 0 )
+      pushValue( "[]" );
+   else
+   {
+      bool isArrayMultiLine = isMultineArray( value );
+      if ( isArrayMultiLine )
+      {
+         writeWithIndent( "[" );
+         indent();
+         bool hasChildValue = !childValues_.empty();
+         unsigned index =0;
+         for (;;)
+         {
+            const Value &childValue = value[index];
+            writeCommentBeforeValue( childValue );
+            if ( hasChildValue )
+               writeWithIndent( childValues_[index] );
+            else
+            {
+               writeIndent();
+               writeValue( childValue );
+            }
+            if ( ++index == size )
+            {
+               writeCommentAfterValueOnSameLine( childValue );
+               break;
+            }
+            *document_ << ",";
+            writeCommentAfterValueOnSameLine( childValue );
+         }
+         unindent();
+         writeWithIndent( "]" );
+      }
+      else // output on a single line
+      {
+         assert( childValues_.size() == size );
+         *document_ << "[ ";
+         for ( unsigned index =0; index < size; ++index )
+         {
+            if ( index > 0 )
+               *document_ << ", ";
+            *document_ << childValues_[index];
+         }
+         *document_ << " ]";
+      }
+   }
+}
+
+
+bool 
+StyledStreamWriter::isMultineArray( const Value &value )
+{
+   int size = value.size();
+   bool isMultiLine = size*3 >= rightMargin_ ;
+   childValues_.clear();
+   for ( int index =0; index < size  &&  !isMultiLine; ++index )
+   {
+      const Value &childValue = value[index];
+      isMultiLine = isMultiLine  ||
+                     ( (childValue.isArray()  ||  childValue.isObject())  &&  
+                        childValue.size() > 0 );
+   }
+   if ( !isMultiLine ) // check if line length > max line length
+   {
+      childValues_.reserve( size );
+      addChildValues_ = true;
+      int lineLength = 4 + (size-1)*2; // '[ ' + ', '*n + ' ]'
+      for ( int index =0; index < size  &&  !isMultiLine; ++index )
+      {
+         writeValue( value[index] );
+         lineLength += int( childValues_[index].length() );
+         isMultiLine = isMultiLine  &&  hasCommentForValue( value[index] );
+      }
+      addChildValues_ = false;
+      isMultiLine = isMultiLine  ||  lineLength >= rightMargin_;
+   }
+   return isMultiLine;
+}
+
+
+void 
+StyledStreamWriter::pushValue( const std::string &value )
+{
+   if ( addChildValues_ )
+      childValues_.push_back( value );
+   else
+      *document_ << value;
+}
+
+
+void 
+StyledStreamWriter::writeIndent()
+{
+  /*
+    Some comments in this method would have been nice. ;-)
+
+   if ( !document_.empty() )
+   {
+      char last = document_[document_.length()-1];
+      if ( last == ' ' )     // already indented
+         return;
+      if ( last != '\n' )    // Comments may add new-line
+         *document_ << '\n';
+   }
+  */
+   *document_ << '\n' << indentString_;
+}
+
+
+void 
+StyledStreamWriter::writeWithIndent( const std::string &value )
+{
+   writeIndent();
+   *document_ << value;
+}
+
+
+void 
+StyledStreamWriter::indent()
+{
+   indentString_ += indentation_;
+}
+
+
+void 
+StyledStreamWriter::unindent()
+{
+   assert( indentString_.size() >= indentation_.size() );
+   indentString_.resize( indentString_.size() - indentation_.size() );
+}
+
+
+void 
+StyledStreamWriter::writeCommentBeforeValue( const Value &root )
+{
+   if ( !root.hasComment( commentBefore ) )
+      return;
+   *document_ << normalizeEOL( root.getComment( commentBefore ) );
+   *document_ << "\n";
+}
+
+
+void 
+StyledStreamWriter::writeCommentAfterValueOnSameLine( const Value &root )
+{
+   if ( root.hasComment( commentAfterOnSameLine ) )
+      *document_ << " " + normalizeEOL( root.getComment( commentAfterOnSameLine ) );
+
+   if ( root.hasComment( commentAfter ) )
+   {
+      *document_ << "\n";
+      *document_ << normalizeEOL( root.getComment( commentAfter ) );
+      *document_ << "\n";
+   }
+}
+
+
+bool 
+StyledStreamWriter::hasCommentForValue( const Value &value )
+{
+   return value.hasComment( commentBefore )
+          ||  value.hasComment( commentAfterOnSameLine )
+          ||  value.hasComment( commentAfter );
+}
+
+
+std::string 
+StyledStreamWriter::normalizeEOL( const std::string &text )
+{
+   std::string normalized;
+   normalized.reserve( text.length() );
+   const char *begin = text.c_str();
+   const char *end = begin + text.length();
+   const char *current = begin;
+   while ( current != end )
+   {
+      char c = *current++;
+      if ( c == '\r' ) // mac or dos EOL
+      {
+         if ( *current == '\n' ) // convert dos EOL
+            ++current;
+         normalized += '\n';
+      }
+      else // handle unix EOL & other char
+         normalized += c;
+   }
+   return normalized;
+}
+
+
+std::ostream& operator<<( std::ostream &sout, const Value &root )
+{
+   Json::StyledStreamWriter writer;
+   writer.write(sout, root);
+   return sout;
+}
+
+
+} // namespace Json
diff --git a/src/lib_json/sconscript b/src/lib_json/sconscript
new file mode 100644
index 0000000..6e7c6c8
--- /dev/null
+++ b/src/lib_json/sconscript
@@ -0,0 +1,8 @@
+Import( 'env buildLibrary' )
+
+buildLibrary( env, Split( """
+    json_reader.cpp 
+    json_value.cpp 
+    json_writer.cpp
+     """ ),
+    'json' )
diff --git a/src/test_lib_json/jsontest.cpp b/src/test_lib_json/jsontest.cpp
new file mode 100644
index 0000000..327d344
--- /dev/null
+++ b/src/test_lib_json/jsontest.cpp
@@ -0,0 +1,575 @@
+// Copyright 2007-2010 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+#define _CRT_SECURE_NO_WARNINGS 1 // Prevents deprecation warning with MSVC
+#include "jsontest.h"
+#include <stdio.h>
+#include <string>
+
+#if defined(_MSC_VER)
+// Used to install a report hook that prevent dialog on assertion and error.
+# include <crtdbg.h>
+#endif // if defined(_MSC_VER)
+
+#if defined(_WIN32)
+// Used to prevent dialog on memory fault.
+// Limits headers included by Windows.h
+# define WIN32_LEAN_AND_MEAN
+# define NOSERVICE
+# define NOMCX
+# define NOIME
+# define NOSOUND
+# define NOCOMM
+# define NORPC
+# define NOGDI
+# define NOUSER
+# define NODRIVERS
+# define NOLOGERROR
+# define NOPROFILER
+# define NOMEMMGR
+# define NOLFILEIO
+# define NOOPENFILE
+# define NORESOURCE
+# define NOATOM
+# define NOLANGUAGE
+# define NOLSTRING
+# define NODBCS
+# define NOKEYBOARDINFO
+# define NOGDICAPMASKS
+# define NOCOLOR
+# define NOGDIOBJ
+# define NODRAWTEXT
+# define NOTEXTMETRIC
+# define NOSCALABLEFONT
+# define NOBITMAP
+# define NORASTEROPS
+# define NOMETAFILE
+# define NOSYSMETRICS
+# define NOSYSTEMPARAMSINFO
+# define NOMSG
+# define NOWINSTYLES
+# define NOWINOFFSETS
+# define NOSHOWWINDOW
+# define NODEFERWINDOWPOS
+# define NOVIRTUALKEYCODES
+# define NOKEYSTATES
+# define NOWH
+# define NOMENUS
+# define NOSCROLL
+# define NOCLIPBOARD
+# define NOICONS
+# define NOMB
+# define NOSYSCOMMANDS
+# define NOMDI
+# define NOCTLMGR
+# define NOWINMESSAGES
+# include <windows.h>
+#endif // if defined(_WIN32)
+
+namespace JsonTest {
+
+
+// class TestResult
+// //////////////////////////////////////////////////////////////////
+
+TestResult::TestResult()
+   : predicateId_( 1 )
+   , lastUsedPredicateId_( 0 )
+   , messageTarget_( 0 )
+{
+   // The root predicate has id 0
+   rootPredicateNode_.id_ = 0;
+   rootPredicateNode_.next_ = 0;
+   predicateStackTail_ = &rootPredicateNode_;
+}
+
+
+void 
+TestResult::setTestName( const std::string &name )
+{
+   name_ = name;
+}
+
+TestResult &
+TestResult::addFailure( const char *file, unsigned int line,
+                        const char *expr )
+{
+   /// Walks the PredicateContext stack adding them to failures_ if not already added.
+   unsigned int nestingLevel = 0;
+   PredicateContext *lastNode = rootPredicateNode_.next_;
+   for ( ; lastNode != 0; lastNode = lastNode->next_ )
+   {
+      if ( lastNode->id_ > lastUsedPredicateId_ ) // new PredicateContext
+      {
+         lastUsedPredicateId_ = lastNode->id_;
+         addFailureInfo( lastNode->file_, lastNode->line_, lastNode->expr_,
+                         nestingLevel );
+         // Link the PredicateContext to the failure for message target when 
+         // popping the PredicateContext.
+         lastNode->failure_ = &( failures_.back() );
+      }
+      ++nestingLevel;
+   }
+
+   // Adds the failed assertion
+   addFailureInfo( file, line, expr, nestingLevel );
+   messageTarget_ = &( failures_.back() );
+   return *this;
+}
+
+
+void 
+TestResult::addFailureInfo( const char *file, unsigned int line,
+                            const char *expr, unsigned int nestingLevel )
+{
+   Failure failure;
+   failure.file_ = file;
+   failure.line_ = line;
+   if ( expr )
+   {
+      failure.expr_ = expr;
+   }
+   failure.nestingLevel_ = nestingLevel;
+   failures_.push_back( failure );
+}
+
+
+TestResult &
+TestResult::popPredicateContext()
+{
+   PredicateContext *lastNode = &rootPredicateNode_;
+   while ( lastNode->next_ != 0  &&  lastNode->next_->next_ != 0 )
+   {
+      lastNode = lastNode->next_;
+   }
+   // Set message target to popped failure
+   PredicateContext *tail = lastNode->next_;
+   if ( tail != 0  &&  tail->failure_ != 0 )
+   {
+      messageTarget_ = tail->failure_;
+   }
+   // Remove tail from list
+   predicateStackTail_ = lastNode;
+   lastNode->next_ = 0;
+   return *this;
+}
+
+
+bool 
+TestResult::failed() const
+{
+   return !failures_.empty();
+}
+
+
+unsigned int 
+TestResult::getAssertionNestingLevel() const
+{
+   unsigned int level = 0;
+   const PredicateContext *lastNode = &rootPredicateNode_;
+   while ( lastNode->next_ != 0 )
+   {
+      lastNode = lastNode->next_;
+      ++level;
+   }
+   return level;
+}
+
+
+void 
+TestResult::printFailure( bool printTestName ) const
+{
+   if ( failures_.empty() )
+   {
+      return;
+   }
+
+   if ( printTestName )
+   {
+      printf( "* Detail of %s test failure:\n", name_.c_str() );
+   }
+
+   // Print in reverse to display the callstack in the right order
+   Failures::const_iterator itEnd = failures_.end();
+   for ( Failures::const_iterator it = failures_.begin(); it != itEnd; ++it )
+   {
+      const Failure &failure = *it;
+      std::string indent( failure.nestingLevel_ * 2, ' ' );
+      if ( failure.file_ )
+      {
+         printf( "%s%s(%d): ", indent.c_str(), failure.file_, failure.line_ );
+      }
+      if ( !failure.expr_.empty() )
+      {
+         printf( "%s\n", failure.expr_.c_str() );
+      }
+      else if ( failure.file_ )
+      {
+         printf( "\n" );
+      }
+      if ( !failure.message_.empty() )
+      {
+         std::string reindented = indentText( failure.message_, indent + "  " );
+         printf( "%s\n", reindented.c_str() );
+      }
+   }
+}
+
+
+std::string 
+TestResult::indentText( const std::string &text, 
+                        const std::string &indent )
+{
+   std::string reindented;
+   std::string::size_type lastIndex = 0;
+   while ( lastIndex < text.size() )
+   {
+      std::string::size_type nextIndex = text.find( '\n', lastIndex );
+      if ( nextIndex == std::string::npos )
+      {
+         nextIndex = text.size() - 1;
+      }
+      reindented += indent;
+      reindented += text.substr( lastIndex, nextIndex - lastIndex + 1 );
+      lastIndex = nextIndex + 1;
+   }
+   return reindented;
+}
+
+
+TestResult &
+TestResult::addToLastFailure( const std::string &message )
+{
+   if ( messageTarget_ != 0 )
+   {
+      messageTarget_->message_ += message;
+   }
+   return *this;
+}
+
+TestResult &
+TestResult::operator << ( Json::Int64 value ) {
+   return addToLastFailure( Json::valueToString(value) );
+}
+
+
+TestResult &
+TestResult::operator << ( Json::UInt64 value ) {
+   return addToLastFailure( Json::valueToString(value) );
+}
+
+
+TestResult &
+TestResult::operator << ( bool value ) {
+   return addToLastFailure(value ? "true" : "false");
+}
+
+
+// class TestCase
+// //////////////////////////////////////////////////////////////////
+
+TestCase::TestCase()
+   : result_( 0 )
+{
+}
+
+
+TestCase::~TestCase()
+{
+}
+
+
+void 
+TestCase::run( TestResult &result )
+{
+   result_ = &result;
+   runTestCase();
+}
+
+
+
+// class Runner
+// //////////////////////////////////////////////////////////////////
+
+Runner::Runner()
+{
+}
+
+
+Runner &
+Runner::add( TestCaseFactory factory )
+{
+   tests_.push_back( factory );
+   return *this;
+}
+
+
+unsigned int 
+Runner::testCount() const
+{
+   return static_cast<unsigned int>( tests_.size() );
+}
+
+
+std::string 
+Runner::testNameAt( unsigned int index ) const
+{
+   TestCase *test = tests_[index]();
+   std::string name = test->testName();
+   delete test;
+   return name;
+}
+
+
+void 
+Runner::runTestAt( unsigned int index, TestResult &result ) const
+{
+   TestCase *test = tests_[index]();
+   result.setTestName( test->testName() );
+   printf( "Testing %s: ", test->testName() );
+   fflush( stdout );
+#if JSON_USE_EXCEPTION
+   try 
+   {
+#endif // if JSON_USE_EXCEPTION
+      test->run( result );
+#if JSON_USE_EXCEPTION
+   } 
+   catch ( const std::exception &e ) 
+   {
+      result.addFailure( __FILE__, __LINE__, 
+         "Unexpected exception caught:" ) << e.what();
+   }
+#endif // if JSON_USE_EXCEPTION
+   delete test;
+   const char *status = result.failed() ? "FAILED" 
+                                        : "OK";
+   printf( "%s\n", status );
+   fflush( stdout );
+}
+
+
+bool 
+Runner::runAllTest( bool printSummary ) const
+{
+   unsigned int count = testCount();
+   std::deque<TestResult> failures;
+   for ( unsigned int index = 0; index < count; ++index )
+   {
+      TestResult result;
+      runTestAt( index, result );
+      if ( result.failed() )
+      {
+         failures.push_back( result );
+      }
+   }
+
+   if ( failures.empty() )
+   {
+      if ( printSummary )
+      {
+         printf( "All %d tests passed\n", count );
+      }
+      return true;
+   }
+   else
+   {
+      for ( unsigned int index = 0; index < failures.size(); ++index )
+      {
+         TestResult &result = failures[index];
+         result.printFailure( count > 1 );
+      }
+
+      if ( printSummary )
+      {
+         unsigned int failedCount = static_cast<unsigned int>( failures.size() );
+         unsigned int passedCount = count - failedCount;
+         printf( "%d/%d tests passed (%d failure(s))\n", passedCount, count, failedCount );
+      }
+      return false;
+   }
+}
+
+
+bool 
+Runner::testIndex( const std::string &testName, 
+                   unsigned int &indexOut ) const
+{
+   unsigned int count = testCount();
+   for ( unsigned int index = 0; index < count; ++index )
+   {
+      if ( testNameAt(index) == testName )
+      {
+         indexOut = index;
+         return true;
+      }
+   }
+   return false;
+}
+
+
+void 
+Runner::listTests() const
+{
+   unsigned int count = testCount();
+   for ( unsigned int index = 0; index < count; ++index )
+   {
+      printf( "%s\n", testNameAt( index ).c_str() );
+   }
+}
+
+
+int 
+Runner::runCommandLine( int argc, const char *argv[] ) const
+{
+   typedef std::deque<std::string> TestNames;
+   Runner subrunner;
+   for ( int index = 1; index < argc; ++index )
+   {
+      std::string opt = argv[index];
+      if ( opt == "--list-tests" )
+      {
+         listTests();
+         return 0;
+      }
+      else if ( opt == "--test-auto" )
+      {
+         preventDialogOnCrash();
+      }
+      else if ( opt == "--test" )
+      {
+         ++index;
+         if ( index < argc )
+         {
+            unsigned int testNameIndex;
+            if ( testIndex( argv[index], testNameIndex ) )
+            {
+               subrunner.add( tests_[testNameIndex] );
+            }
+            else
+            {
+               fprintf( stderr, "Test '%s' does not exist!\n", argv[index] );
+               return 2;
+            }
+         }
+         else
+         {
+            printUsage( argv[0] );
+            return 2;
+         }
+      }
+      else
+      {
+         printUsage( argv[0] );
+         return 2;
+      }
+   }
+   bool succeeded;
+   if ( subrunner.testCount() > 0 )
+   {
+      succeeded = subrunner.runAllTest( subrunner.testCount() > 1 );
+   }
+   else
+   {
+      succeeded = runAllTest( true );
+   }
+   return succeeded ? 0 
+                    : 1;
+}
+
+
+#if defined(_MSC_VER)
+// Hook MSVCRT assertions to prevent dialog from appearing
+static int 
+msvcrtSilentReportHook( int reportType, char *message, int *returnValue )
+{
+   // The default CRT handling of error and assertion is to display
+   // an error dialog to the user.
+   // Instead, when an error or an assertion occurs, we force the 
+   // application to terminate using abort() after display
+   // the message on stderr. 
+   if ( reportType == _CRT_ERROR  ||  
+        reportType == _CRT_ASSERT )
+   {
+      // calling abort() cause the ReportHook to be called
+      // The following is used to detect this case and let's the
+      // error handler fallback on its default behaviour (
+      // display a warning message)
+      static volatile bool isAborting = false;
+      if ( isAborting ) 
+      {
+         return TRUE;
+      }
+      isAborting = true;
+
+      fprintf( stderr, "CRT Error/Assert:\n%s\n", message );
+      fflush( stderr );
+      abort();
+   }
+   // Let's other reportType (_CRT_WARNING) be handled as they would by default
+   return FALSE;
+}
+#endif // if defined(_MSC_VER)
+
+
+void 
+Runner::preventDialogOnCrash()
+{
+#if defined(_MSC_VER)
+   // Install a hook to prevent MSVCRT error and assertion from
+   // popping a dialog.
+   _CrtSetReportHook( &msvcrtSilentReportHook );
+#endif // if defined(_MSC_VER)
+
+   // @todo investiguate this handler (for buffer overflow)
+   // _set_security_error_handler
+
+#if defined(_WIN32)
+   // Prevents the system from popping a dialog for debugging if the
+   // application fails due to invalid memory access.
+   SetErrorMode( SEM_FAILCRITICALERRORS 
+                 | SEM_NOGPFAULTERRORBOX 
+                 | SEM_NOOPENFILEERRORBOX );
+#endif // if defined(_WIN32)
+}
+
+void 
+Runner::printUsage( const char *appName )
+{
+   printf( 
+      "Usage: %s [options]\n"
+      "\n"
+      "If --test is not specified, then all the test cases be run.\n"
+      "\n"
+      "Valid options:\n"
+      "--list-tests: print the name of all test cases on the standard\n"
+      "              output and exit.\n"
+      "--test TESTNAME: executes the test case with the specified name.\n"
+      "                 May be repeated.\n"
+      "--test-auto: prevent dialog prompting for debugging on crash.\n"
+      , appName );
+}
+
+
+
+// Assertion functions
+// //////////////////////////////////////////////////////////////////
+
+TestResult &
+checkStringEqual( TestResult &result, 
+                  const std::string &expected, const std::string &actual,
+                  const char *file, unsigned int line, const char *expr )
+{
+   if ( expected != actual )
+   {
+      result.addFailure( file, line, expr );
+      result << "Expected: '" << expected << "'\n";
+      result << "Actual  : '" << actual << "'";
+   }
+   return result;
+}
+
+
+} // namespace JsonTest
diff --git a/src/test_lib_json/jsontest.h b/src/test_lib_json/jsontest.h
new file mode 100644
index 0000000..207692b
--- /dev/null
+++ b/src/test_lib_json/jsontest.h
@@ -0,0 +1,273 @@
+// Copyright 2007-2010 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+#ifndef JSONTEST_H_INCLUDED
+# define JSONTEST_H_INCLUDED
+
+# include <json/config.h>
+# include <json/value.h>
+# include <json/writer.h>
+# include <stdio.h>
+# include <deque>
+# include <sstream>
+# include <string>
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// Mini Unit Testing framework
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+
+
+/** \brief Unit testing framework.
+ * \warning: all assertions are non-aborting, test case execution will continue
+ *           even if an assertion namespace.
+ *           This constraint is for portability: the framework needs to compile
+ *           on Visual Studio 6 and must not require exception usage.
+ */
+namespace JsonTest {
+
+
+   class Failure
+   {
+   public:
+      const char *file_;
+      unsigned int line_;
+      std::string expr_;
+      std::string message_;
+      unsigned int nestingLevel_;
+   };
+
+
+   /// Context used to create the assertion callstack on failure.
+   /// Must be a POD to allow inline initialisation without stepping 
+   /// into the debugger.
+   struct PredicateContext
+   {
+      typedef unsigned int Id;
+      Id id_;
+      const char *file_;
+      unsigned int line_;
+      const char *expr_;
+      PredicateContext *next_;
+      /// Related Failure, set when the PredicateContext is converted
+      /// into a Failure.
+      Failure *failure_;
+   };
+
+   class TestResult
+   {
+   public:
+      TestResult();
+
+      /// \internal Implementation detail for assertion macros
+      /// Not encapsulated to prevent step into when debugging failed assertions
+      /// Incremented by one on assertion predicate entry, decreased by one
+      /// by addPredicateContext().
+      PredicateContext::Id predicateId_;
+
+      /// \internal Implementation detail for predicate macros
+      PredicateContext *predicateStackTail_;
+
+      void setTestName( const std::string &name );
+
+      /// Adds an assertion failure.
+      TestResult &addFailure( const char *file, unsigned int line,
+                              const char *expr = 0 );
+
+      /// Removes the last PredicateContext added to the predicate stack
+      /// chained list.
+      /// Next messages will be targed at the PredicateContext that was removed.
+      TestResult &popPredicateContext();
+
+      bool failed() const;
+
+      void printFailure( bool printTestName ) const;
+
+      // Generic operator that will work with anything ostream can deal with.
+      template <typename T>
+      TestResult &operator << ( const T& value ) {
+         std::ostringstream oss;
+         oss.precision( 16 );
+         oss.setf( std::ios_base::floatfield );
+         oss << value;
+         return addToLastFailure(oss.str());
+      }
+
+      // Specialized versions.
+      TestResult &operator << ( bool value );
+      // std:ostream does not support 64bits integers on all STL implementation
+      TestResult &operator << ( Json::Int64 value );
+      TestResult &operator << ( Json::UInt64 value );
+
+   private:
+      TestResult &addToLastFailure( const std::string &message );
+      unsigned int getAssertionNestingLevel() const;
+      /// Adds a failure or a predicate context
+      void addFailureInfo( const char *file, unsigned int line,
+                           const char *expr, unsigned int nestingLevel  );
+      static std::string indentText( const std::string &text, 
+                                     const std::string &indent );
+
+      typedef std::deque<Failure> Failures;
+      Failures failures_;
+      std::string name_;
+      PredicateContext rootPredicateNode_;
+      PredicateContext::Id lastUsedPredicateId_;
+      /// Failure which is the target of the messages added using operator <<
+      Failure *messageTarget_;
+   };
+
+
+   class TestCase
+   {
+   public:
+      TestCase();
+
+      virtual ~TestCase();
+
+      void run( TestResult &result );
+
+      virtual const char *testName() const = 0;
+
+   protected:
+      TestResult *result_;
+
+   private:
+      virtual void runTestCase() = 0;
+   };
+
+   /// Function pointer type for TestCase factory
+   typedef TestCase *(*TestCaseFactory)();
+
+   class Runner
+   {
+   public:
+      Runner();
+
+      /// Adds a test to the suite
+      Runner &add( TestCaseFactory factory );
+
+      /// Runs test as specified on the command-line
+      /// If no command-line arguments are provided, run all tests.
+      /// If --list-tests is provided, then print the list of all test cases
+      /// If --test <testname> is provided, then run test testname.
+      int runCommandLine( int argc, const char *argv[] ) const;
+
+      /// Runs all the test cases
+      bool runAllTest( bool printSummary ) const;
+
+      /// Returns the number of test case in the suite
+      unsigned int testCount() const;
+
+      /// Returns the name of the test case at the specified index
+      std::string testNameAt( unsigned int index ) const;
+
+      /// Runs the test case at the specified index using the specified TestResult
+      void runTestAt( unsigned int index, TestResult &result ) const;
+
+      static void printUsage( const char *appName );
+
+   private: // prevents copy construction and assignment
+      Runner( const Runner &other );
+      Runner &operator =( const Runner &other );
+
+   private:
+      void listTests() const;
+      bool testIndex( const std::string &testName, unsigned int &index ) const;
+      static void preventDialogOnCrash();
+
+   private:
+      typedef std::deque<TestCaseFactory> Factories;
+      Factories tests_;
+   };
+
+   template<typename T, typename U>
+   TestResult &
+   checkEqual( TestResult &result, const T &expected, const U &actual, 
+               const char *file, unsigned int line, const char *expr )
+   {
+      if ( expected != actual )
+      {
+         result.addFailure( file, line, expr );
+         result << "Expected: " << expected << "\n";
+         result << "Actual  : " << actual;
+      }
+      return result;
+   }
+
+
+   TestResult &
+   checkStringEqual( TestResult &result, 
+                     const std::string &expected, const std::string &actual,
+                     const char *file, unsigned int line, const char *expr );
+
+} // namespace JsonTest
+
+
+/// \brief Asserts that the given expression is true.
+/// JSONTEST_ASSERT( x == y ) << "x=" << x << ", y=" << y;
+/// JSONTEST_ASSERT( x == y );
+#define JSONTEST_ASSERT( expr )                                               \
+   if ( expr )                                                                \
+   {                                                                          \
+   }                                                                          \
+   else                                                                       \
+      result_->addFailure( __FILE__, __LINE__, #expr )
+
+/// \brief Asserts that the given predicate is true.
+/// The predicate may do other assertions and be a member function of the fixture.
+#define JSONTEST_ASSERT_PRED( expr )                                    \
+   {                                                                    \
+      JsonTest::PredicateContext _minitest_Context = {                  \
+         result_->predicateId_, __FILE__, __LINE__, #expr };            \
+      result_->predicateStackTail_->next_ = &_minitest_Context;         \
+      result_->predicateId_ += 1;                                       \
+      result_->predicateStackTail_ = &_minitest_Context;                \
+      (expr);                                                           \
+      result_->popPredicateContext();                                   \
+   }                                                                    \
+   *result_
+
+/// \brief Asserts that two values are equals.
+#define JSONTEST_ASSERT_EQUAL( expected, actual )          \
+   JsonTest::checkEqual( *result_, expected, actual,       \
+                         __FILE__, __LINE__,               \
+                         #expected " == " #actual )
+
+/// \brief Asserts that two values are equals.
+#define JSONTEST_ASSERT_STRING_EQUAL( expected, actual ) \
+   JsonTest::checkStringEqual( *result_,                 \
+      std::string(expected), std::string(actual),        \
+      __FILE__, __LINE__,                                \
+      #expected " == " #actual )
+
+/// \brief Begin a fixture test case.
+#define JSONTEST_FIXTURE( FixtureType, name )                  \
+   class Test##FixtureType##name : public FixtureType          \
+   {                                                           \
+   public:                                                     \
+      static JsonTest::TestCase *factory()                     \
+      {                                                        \
+         return new Test##FixtureType##name();                 \
+      }                                                        \
+   public: /* overidden from TestCase */                       \
+      virtual const char *testName() const                     \
+      {                                                        \
+         return #FixtureType "/" #name;                        \
+      }                                                        \
+      virtual void runTestCase();                              \
+   };                                                          \
+                                                               \
+   void Test##FixtureType##name::runTestCase()
+
+#define JSONTEST_FIXTURE_FACTORY( FixtureType, name ) \
+   &Test##FixtureType##name::factory
+
+#define JSONTEST_REGISTER_FIXTURE( runner, FixtureType, name ) \
+   (runner).add( JSONTEST_FIXTURE_FACTORY( FixtureType, name ) )
+
+#endif // ifndef JSONTEST_H_INCLUDED
diff --git a/src/test_lib_json/main.cpp b/src/test_lib_json/main.cpp
new file mode 100644
index 0000000..c6ab619
--- /dev/null
+++ b/src/test_lib_json/main.cpp
@@ -0,0 +1,1424 @@
+// Copyright 2007-2010 Baptiste Lepilleur
+// Distributed under MIT license, or public domain if desired and
+// recognized in your jurisdiction.
+// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
+#include <json/config.h>
+#include <json/json.h>
+#include "jsontest.h"
+
+// Make numeric limits more convenient to talk about.
+// Assumes int type in 32 bits.
+#define kint32max Json::Value::maxInt
+#define kint32min Json::Value::minInt
+#define kuint32max Json::Value::maxUInt
+#define kint64max Json::Value::maxInt64
+#define kint64min Json::Value::minInt64
+#define kuint64max Json::Value::maxUInt64
+
+static const double kdint64max = double(kint64max);
+static const float kfint64max = float(kint64max);
+static const float kfint32max = float(kint32max);
+static const float kfuint32max = float(kuint32max);
+
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// Json Library test cases
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+static inline double uint64ToDouble( Json::UInt64 value )
+{
+    return static_cast<double>( value );
+}
+#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+static inline double uint64ToDouble( Json::UInt64 value )
+{
+    return static_cast<double>( Json::Int64(value/2) ) * 2.0 + Json::Int64(value & 1);
+}
+#endif // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
+
+struct ValueTest : JsonTest::TestCase
+{
+   Json::Value null_;
+   Json::Value emptyArray_;
+   Json::Value emptyObject_;
+   Json::Value integer_;
+   Json::Value unsignedInteger_;
+   Json::Value smallUnsignedInteger_;
+   Json::Value real_;
+   Json::Value float_;
+   Json::Value array1_;
+   Json::Value object1_;
+   Json::Value emptyString_;
+   Json::Value string1_;
+   Json::Value string_;
+   Json::Value true_;
+   Json::Value false_;
+
+
+   ValueTest()
+      : emptyArray_( Json::arrayValue )
+      , emptyObject_( Json::objectValue )
+      , integer_( 123456789 )
+      , smallUnsignedInteger_( Json::Value::UInt( Json::Value::maxInt ) )
+      , unsignedInteger_( 34567890u )
+      , real_( 1234.56789 )
+      , float_( 0.00390625f )
+      , emptyString_( "" )
+      , string1_( "a" )
+      , string_( "sometext with space" )
+      , true_( true )
+      , false_( false )
+   {
+      array1_.append( 1234 );
+      object1_["id"] = 1234;
+   }
+
+   struct IsCheck
+   {
+      /// Initialize all checks to \c false by default.
+      IsCheck();
+
+      bool isObject_;
+      bool isArray_;
+      bool isBool_;
+      bool isString_;
+      bool isNull_;
+
+      bool isInt_;
+      bool isInt64_;
+      bool isUInt_;
+      bool isUInt64_;
+      bool isIntegral_;
+      bool isDouble_;
+      bool isNumeric_;
+   };
+
+   void checkConstMemberCount( const Json::Value &value, unsigned int expectedCount );
+
+   void checkMemberCount( Json::Value &value, unsigned int expectedCount );
+
+   void checkIs( const Json::Value &value, const IsCheck &check );
+
+   void checkIsLess( const Json::Value &x, const Json::Value &y );
+
+   void checkIsEqual( const Json::Value &x, const Json::Value &y );
+
+   /// Normalize the representation of floating-point number by stripped leading 0 in exponent.
+   static std::string normalizeFloatingPointStr( const std::string &s );
+};
+
+
+std::string 
+ValueTest::normalizeFloatingPointStr( const std::string &s )
+{
+    std::string::size_type index = s.find_last_of( "eE" );
+    if ( index != std::string::npos )
+    {
+        std::string::size_type hasSign = (s[index+1] == '+' || s[index+1] == '-') ? 1 : 0;
+        std::string::size_type exponentStartIndex = index + 1 + hasSign;
+        std::string normalized = s.substr( 0, exponentStartIndex );
+        std::string::size_type indexDigit = s.find_first_not_of( '0', exponentStartIndex );
+        std::string exponent = "0";
+        if ( indexDigit != std::string::npos ) // There is an exponent different from 0
+        {
+            exponent = s.substr( indexDigit );
+        }
+        return normalized + exponent;
+    }
+    return s;
+}
+
+
+JSONTEST_FIXTURE( ValueTest, checkNormalizeFloatingPointStr )
+{
+    JSONTEST_ASSERT_STRING_EQUAL( "0.0", normalizeFloatingPointStr("0.0") );
+    JSONTEST_ASSERT_STRING_EQUAL( "0e0", normalizeFloatingPointStr("0e0") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234.0", normalizeFloatingPointStr("1234.0") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234.0e0", normalizeFloatingPointStr("1234.0e0") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234.0e+0", normalizeFloatingPointStr("1234.0e+0") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234e-1", normalizeFloatingPointStr("1234e-1") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234e10", normalizeFloatingPointStr("1234e10") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234e10", normalizeFloatingPointStr("1234e010") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234e+10", normalizeFloatingPointStr("1234e+010") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234e-10", normalizeFloatingPointStr("1234e-010") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234e+100", normalizeFloatingPointStr("1234e+100") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234e-100", normalizeFloatingPointStr("1234e-100") );
+    JSONTEST_ASSERT_STRING_EQUAL( "1234e+1", normalizeFloatingPointStr("1234e+001") );
+}
+
+
+JSONTEST_FIXTURE( ValueTest, memberCount )
+{
+   JSONTEST_ASSERT_PRED( checkMemberCount(emptyArray_, 0) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(emptyObject_, 0) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(array1_, 1) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(object1_, 1) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(null_, 0) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(integer_, 0) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(unsignedInteger_, 0) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(smallUnsignedInteger_, 0) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(real_, 0) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(emptyString_, 0) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(string_, 0) );
+   JSONTEST_ASSERT_PRED( checkMemberCount(true_, 0) );
+}
+
+
+JSONTEST_FIXTURE( ValueTest, objects )
+{
+   // Types
+   IsCheck checks;
+   checks.isObject_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( emptyObject_, checks ) );
+   JSONTEST_ASSERT_PRED( checkIs( object1_, checks ) );
+
+   JSONTEST_ASSERT_EQUAL(Json::objectValue, emptyObject_.type());
+
+   // Empty object okay
+   JSONTEST_ASSERT(emptyObject_.isConvertibleTo(Json::nullValue));
+
+   // Non-empty object not okay
+   JSONTEST_ASSERT(!object1_.isConvertibleTo(Json::nullValue));
+
+   // Always okay
+   JSONTEST_ASSERT(emptyObject_.isConvertibleTo(Json::objectValue));
+
+   // Never okay
+   JSONTEST_ASSERT(!emptyObject_.isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!emptyObject_.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!emptyObject_.isConvertibleTo(Json::uintValue));
+   JSONTEST_ASSERT(!emptyObject_.isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(!emptyObject_.isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(!emptyObject_.isConvertibleTo(Json::stringValue));
+
+   // Access through const reference
+   const Json::Value &constObject = object1_;
+
+   JSONTEST_ASSERT_EQUAL(Json::Value(1234), constObject["id"]);
+   JSONTEST_ASSERT_EQUAL(Json::Value(), constObject["unknown id"]);
+
+   // Access through non-const reference
+   JSONTEST_ASSERT_EQUAL(Json::Value(1234), object1_["id"]);
+   JSONTEST_ASSERT_EQUAL(Json::Value(), object1_["unknown id"]);
+
+   object1_["some other id"] = "foo";
+   JSONTEST_ASSERT_EQUAL(Json::Value("foo"), object1_["some other id"]);
+}
+
+
+JSONTEST_FIXTURE( ValueTest, arrays )
+{
+   const unsigned int index0 = 0;
+
+   // Types
+   IsCheck checks;
+   checks.isArray_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( emptyArray_, checks ) );
+   JSONTEST_ASSERT_PRED( checkIs( array1_, checks ) );
+
+   JSONTEST_ASSERT_EQUAL(Json::arrayValue, array1_.type());
+
+   // Empty array okay
+   JSONTEST_ASSERT(emptyArray_.isConvertibleTo(Json::nullValue));
+
+   // Non-empty array not okay
+   JSONTEST_ASSERT(!array1_.isConvertibleTo(Json::nullValue));
+
+   // Always okay
+   JSONTEST_ASSERT(emptyArray_.isConvertibleTo(Json::arrayValue));
+
+   // Never okay
+   JSONTEST_ASSERT(!emptyArray_.isConvertibleTo(Json::objectValue));
+   JSONTEST_ASSERT(!emptyArray_.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!emptyArray_.isConvertibleTo(Json::uintValue));
+   JSONTEST_ASSERT(!emptyArray_.isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(!emptyArray_.isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(!emptyArray_.isConvertibleTo(Json::stringValue));
+
+   // Access through const reference
+   const Json::Value &constArray = array1_;
+   JSONTEST_ASSERT_EQUAL(Json::Value(1234), constArray[index0]);
+   JSONTEST_ASSERT_EQUAL(Json::Value(1234), constArray[0]);
+
+   // Access through non-const reference
+   JSONTEST_ASSERT_EQUAL(Json::Value(1234), array1_[index0]);
+   JSONTEST_ASSERT_EQUAL(Json::Value(1234), array1_[0]);
+
+   array1_[2] = Json::Value(17);
+   JSONTEST_ASSERT_EQUAL(Json::Value(), array1_[1]);
+   JSONTEST_ASSERT_EQUAL(Json::Value(17), array1_[2]);
+}
+
+
+JSONTEST_FIXTURE( ValueTest, null )
+{
+   JSONTEST_ASSERT_EQUAL(Json::nullValue, null_.type());
+
+   IsCheck checks;
+   checks.isNull_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( null_, checks ) );
+
+   JSONTEST_ASSERT(null_.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(null_.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(null_.isConvertibleTo(Json::uintValue));
+   JSONTEST_ASSERT(null_.isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(null_.isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(null_.isConvertibleTo(Json::stringValue));
+   JSONTEST_ASSERT(null_.isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(null_.isConvertibleTo(Json::objectValue));
+
+   JSONTEST_ASSERT_EQUAL(Json::Int(0), null_.asInt());
+   JSONTEST_ASSERT_EQUAL(Json::LargestInt(0), null_.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(Json::UInt(0), null_.asUInt());
+   JSONTEST_ASSERT_EQUAL(Json::LargestUInt(0), null_.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(0.0, null_.asDouble());
+   JSONTEST_ASSERT_EQUAL(0.0, null_.asFloat());
+   JSONTEST_ASSERT_STRING_EQUAL("", null_.asString());
+}
+
+
+JSONTEST_FIXTURE( ValueTest, strings )
+{
+   JSONTEST_ASSERT_EQUAL(Json::stringValue, string1_.type());
+
+   IsCheck checks;
+   checks.isString_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( emptyString_, checks ) );
+   JSONTEST_ASSERT_PRED( checkIs( string_, checks ) );
+   JSONTEST_ASSERT_PRED( checkIs( string1_, checks ) );
+
+   // Empty string okay
+   JSONTEST_ASSERT(emptyString_.isConvertibleTo(Json::nullValue));
+
+   // Non-empty string not okay
+   JSONTEST_ASSERT(!string1_.isConvertibleTo(Json::nullValue));
+
+   // Always okay
+   JSONTEST_ASSERT(string1_.isConvertibleTo(Json::stringValue));
+
+   // Never okay
+   JSONTEST_ASSERT(!string1_.isConvertibleTo(Json::objectValue));
+   JSONTEST_ASSERT(!string1_.isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!string1_.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!string1_.isConvertibleTo(Json::uintValue));
+   JSONTEST_ASSERT(!string1_.isConvertibleTo(Json::realValue));
+
+   JSONTEST_ASSERT_STRING_EQUAL("a", string1_.asString());
+   JSONTEST_ASSERT_STRING_EQUAL("a", string1_.asCString());
+}
+
+
+JSONTEST_FIXTURE( ValueTest, bools )
+{
+   JSONTEST_ASSERT_EQUAL(Json::booleanValue, false_.type());
+
+   IsCheck checks;
+   checks.isBool_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( false_, checks ) );
+   JSONTEST_ASSERT_PRED( checkIs( true_, checks ) );
+
+   // False okay
+   JSONTEST_ASSERT(false_.isConvertibleTo(Json::nullValue));
+
+   // True not okay
+   JSONTEST_ASSERT(!true_.isConvertibleTo(Json::nullValue));
+
+   // Always okay
+   JSONTEST_ASSERT(true_.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(true_.isConvertibleTo(Json::uintValue));
+   JSONTEST_ASSERT(true_.isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(true_.isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(true_.isConvertibleTo(Json::stringValue));
+
+   // Never okay
+   JSONTEST_ASSERT(!true_.isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!true_.isConvertibleTo(Json::objectValue));
+
+   JSONTEST_ASSERT_EQUAL(true, true_.asBool());
+   JSONTEST_ASSERT_EQUAL(1, true_.asInt());
+   JSONTEST_ASSERT_EQUAL(1, true_.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(1, true_.asUInt());
+   JSONTEST_ASSERT_EQUAL(1, true_.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(1.0, true_.asDouble());
+   JSONTEST_ASSERT_EQUAL(1.0, true_.asFloat());
+
+   JSONTEST_ASSERT_EQUAL(false, false_.asBool());
+   JSONTEST_ASSERT_EQUAL(0, false_.asInt());
+   JSONTEST_ASSERT_EQUAL(0, false_.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(0, false_.asUInt());
+   JSONTEST_ASSERT_EQUAL(0, false_.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(0.0, false_.asDouble());
+   JSONTEST_ASSERT_EQUAL(0.0, false_.asFloat());
+}
+
+
+JSONTEST_FIXTURE( ValueTest, integers )
+{
+   IsCheck checks;
+   Json::Value val;
+
+   // Conversions that don't depend on the value.
+   JSONTEST_ASSERT(Json::Value(17).isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(Json::Value(17).isConvertibleTo(Json::stringValue));
+   JSONTEST_ASSERT(Json::Value(17).isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(!Json::Value(17).isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!Json::Value(17).isConvertibleTo(Json::objectValue));
+
+   JSONTEST_ASSERT(Json::Value(17U).isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(Json::Value(17U).isConvertibleTo(Json::stringValue));
+   JSONTEST_ASSERT(Json::Value(17U).isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(!Json::Value(17U).isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!Json::Value(17U).isConvertibleTo(Json::objectValue));
+
+   JSONTEST_ASSERT(Json::Value(17.0).isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(Json::Value(17.0).isConvertibleTo(Json::stringValue));
+   JSONTEST_ASSERT(Json::Value(17.0).isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(!Json::Value(17.0).isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!Json::Value(17.0).isConvertibleTo(Json::objectValue));
+
+   // Default int
+   val = Json::Value(Json::intValue);
+
+   JSONTEST_ASSERT_EQUAL(Json::intValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(0, val.asInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asUInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(false, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("0", val.asString());
+
+   // Default uint
+   val = Json::Value(Json::uintValue);
+
+   JSONTEST_ASSERT_EQUAL(Json::uintValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(0, val.asInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asUInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(false, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("0", val.asString());
+
+   // Default real
+   val = Json::Value(Json::realValue);
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT_EQUAL(0, val.asInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asUInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(false, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("0.0", val.asString());
+
+   // Zero (signed constructor arg)
+   val = Json::Value(0);
+
+   JSONTEST_ASSERT_EQUAL(Json::intValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(0, val.asInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asUInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(false, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("0", val.asString());
+
+   // Zero (unsigned constructor arg)
+   val = Json::Value(0u);
+
+   JSONTEST_ASSERT_EQUAL(Json::uintValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(0, val.asInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asUInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(false, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("0", val.asString());
+
+   // Zero (floating-point constructor arg)
+   val = Json::Value(0.0);
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(0, val.asInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asUInt());
+   JSONTEST_ASSERT_EQUAL(0, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(0.0, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(false, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("0.0", val.asString());
+
+   // 2^20 (signed constructor arg)
+   val = Json::Value(1 << 20);
+
+   JSONTEST_ASSERT_EQUAL(Json::intValue, val.type());
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asUInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asDouble());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("1048576", val.asString());
+
+   // 2^20 (unsigned constructor arg)
+   val = Json::Value(Json::UInt(1 << 20));
+
+   JSONTEST_ASSERT_EQUAL(Json::uintValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asUInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asDouble());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("1048576", val.asString());
+
+   // 2^20 (floating-point constructor arg)
+   val = Json::Value((1 << 20) / 1.0);
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asUInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asDouble());
+   JSONTEST_ASSERT_EQUAL((1 << 20), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("1048576.0", normalizeFloatingPointStr(val.asString()));
+
+   // -2^20
+   val = Json::Value(-(1 << 20));
+
+   JSONTEST_ASSERT_EQUAL(Json::intValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(-(1 << 20), val.asInt());
+   JSONTEST_ASSERT_EQUAL(-(1 << 20), val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(-(1 << 20), val.asDouble());
+   JSONTEST_ASSERT_EQUAL(-(1 << 20), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("-1048576", val.asString());
+
+   // int32 max
+   val = Json::Value(kint32max);
+
+   JSONTEST_ASSERT_EQUAL(Json::intValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(kint32max, val.asInt());
+   JSONTEST_ASSERT_EQUAL(kint32max, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(kint32max, val.asUInt());
+   JSONTEST_ASSERT_EQUAL(kint32max, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(kint32max, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(kfint32max, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("2147483647", val.asString());
+
+   // int32 min
+   val = Json::Value(kint32min);
+
+   JSONTEST_ASSERT_EQUAL(Json::intValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt_ = true;
+   checks.isInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(kint32min, val.asInt());
+   JSONTEST_ASSERT_EQUAL(kint32min, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(kint32min, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(kint32min, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("-2147483648", val.asString());
+
+   // uint32 max
+   val = Json::Value(kuint32max);
+
+   JSONTEST_ASSERT_EQUAL(Json::uintValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt64_ = true;
+   checks.isUInt_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+
+#ifndef JSON_NO_INT64
+   JSONTEST_ASSERT_EQUAL(kuint32max, val.asLargestInt());
+#endif
+   JSONTEST_ASSERT_EQUAL(kuint32max, val.asUInt());
+   JSONTEST_ASSERT_EQUAL(kuint32max, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(kuint32max, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(kfuint32max, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("4294967295", val.asString());
+
+#ifdef JSON_NO_INT64
+   // int64 max
+   val = Json::Value(double(kint64max));
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(double(kint64max), val.asDouble());
+   JSONTEST_ASSERT_EQUAL(float(kint64max), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("9.22337e+18", val.asString());
+
+   // int64 min
+   val = Json::Value(double(kint64min));
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(double(kint64min), val.asDouble());
+   JSONTEST_ASSERT_EQUAL(float(kint64min), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("-9.22337e+18", val.asString());
+
+   // uint64 max
+   val = Json::Value(double(kuint64max));
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(double(kuint64max), val.asDouble());
+   JSONTEST_ASSERT_EQUAL(float(kuint64max), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("1.84467e+19", val.asString());
+#else  // ifdef JSON_NO_INT64
+   // 2^40 (signed constructor arg)
+   val = Json::Value(Json::Int64(1) << 40);
+
+   JSONTEST_ASSERT_EQUAL(Json::intValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt64_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asInt64());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asUInt64());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asDouble());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("1099511627776", val.asString());
+
+   // 2^40 (unsigned constructor arg)
+   val = Json::Value(Json::UInt64(1) << 40);
+
+   JSONTEST_ASSERT_EQUAL(Json::uintValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt64_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asInt64());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asUInt64());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asDouble());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("1099511627776", val.asString());
+
+   // 2^40 (floating-point constructor arg)
+   val = Json::Value((Json::Int64(1) << 40) / 1.0);
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt64_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asInt64());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asUInt64());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asDouble());
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 40), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("1099511627776.0", normalizeFloatingPointStr(val.asString()));
+
+   // -2^40
+   val = Json::Value(-(Json::Int64(1) << 40));
+
+   JSONTEST_ASSERT_EQUAL(Json::intValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(-(Json::Int64(1) << 40), val.asInt64());
+   JSONTEST_ASSERT_EQUAL(-(Json::Int64(1) << 40), val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(-(Json::Int64(1) << 40), val.asDouble());
+   JSONTEST_ASSERT_EQUAL(-(Json::Int64(1) << 40), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("-1099511627776", val.asString());
+
+   // int64 max
+   val = Json::Value(Json::Int64(kint64max));
+
+   JSONTEST_ASSERT_EQUAL(Json::intValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt64_ = true;
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(kint64max, val.asInt64());
+   JSONTEST_ASSERT_EQUAL(kint64max, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(kint64max, val.asUInt64());
+   JSONTEST_ASSERT_EQUAL(kint64max, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(double(kint64max), val.asDouble());
+   JSONTEST_ASSERT_EQUAL(float(kint64max), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("9223372036854775807", val.asString());
+
+   // int64 max (floating point constructor). Note that kint64max is not exactly
+   // representable as a double, and will be rounded up to be higher.
+   val = Json::Value(double(kint64max));
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(Json::UInt64(1) << 63, val.asUInt64());
+   JSONTEST_ASSERT_EQUAL(Json::UInt64(1) << 63, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(uint64ToDouble(Json::UInt64(1) << 63), val.asDouble());
+   JSONTEST_ASSERT_EQUAL(float(uint64ToDouble(Json::UInt64(1) << 63)), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("9.223372036854776e+18", normalizeFloatingPointStr(val.asString()));
+
+   // int64 min
+   val = Json::Value(Json::Int64(kint64min));
+
+   JSONTEST_ASSERT_EQUAL(Json::intValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(kint64min, val.asInt64());
+   JSONTEST_ASSERT_EQUAL(kint64min, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(double(kint64min), val.asDouble());
+   JSONTEST_ASSERT_EQUAL(float(kint64min), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("-9223372036854775808", val.asString());
+
+   // int64 min (floating point constructor). Note that kint64min *is* exactly
+   // representable as a double.
+   val = Json::Value(double(kint64min));
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(kint64min, val.asInt64());
+   JSONTEST_ASSERT_EQUAL(kint64min, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(-9223372036854775808.0, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(-9223372036854775808.0, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("-9.223372036854776e+18", normalizeFloatingPointStr(val.asString()));
+
+   // uint64 max
+   val = Json::Value(Json::UInt64(kuint64max));
+
+   JSONTEST_ASSERT_EQUAL(Json::uintValue, val.type());
+
+   checks = IsCheck();
+   checks.isUInt64_ = true;
+   checks.isIntegral_ = true;
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(kuint64max, val.asUInt64());
+   JSONTEST_ASSERT_EQUAL(kuint64max, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(uint64ToDouble(kuint64max), val.asDouble());
+   JSONTEST_ASSERT_EQUAL(float(uint64ToDouble(kuint64max)), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("18446744073709551615", val.asString());
+
+   // uint64 max (floating point constructor). Note that kuint64max is not
+   // exactly representable as a double, and will be rounded up to be higher.
+   val = Json::Value(uint64ToDouble(kuint64max));
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+
+   JSONTEST_ASSERT_EQUAL(18446744073709551616.0, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(18446744073709551616.0, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_STRING_EQUAL("1.844674407370955e+19", normalizeFloatingPointStr(val.asString()));
+#endif
+}
+
+
+JSONTEST_FIXTURE( ValueTest, nonIntegers )
+{
+   IsCheck checks;
+   Json::Value val;
+
+   // Small positive number
+   val = Json::Value(1.5);
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::stringValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::objectValue));
+
+   JSONTEST_ASSERT_EQUAL(1.5, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(1.5, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(1, val.asInt());
+   JSONTEST_ASSERT_EQUAL(1, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(1, val.asUInt());
+   JSONTEST_ASSERT_EQUAL(1, val.asLargestUInt());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_EQUAL("1.50", val.asString());
+
+   // Small negative number
+   val = Json::Value(-1.5);
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::stringValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::objectValue));
+
+   JSONTEST_ASSERT_EQUAL(-1.5, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(-1.5, val.asFloat());
+   JSONTEST_ASSERT_EQUAL(-1, val.asInt());
+   JSONTEST_ASSERT_EQUAL(-1, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_EQUAL("-1.50", val.asString());
+
+   // A bit over int32 max
+   val = Json::Value(kint32max + 0.5);
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::uintValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::stringValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::objectValue));
+
+   JSONTEST_ASSERT_EQUAL(2147483647.5, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(float(2147483647.5), val.asFloat());
+   JSONTEST_ASSERT_EQUAL(2147483647U, val.asUInt());
+#ifdef JSON_HAS_INT64
+   JSONTEST_ASSERT_EQUAL(2147483647L, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL(2147483647U, val.asLargestUInt());
+#endif
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_EQUAL("2147483647.50", normalizeFloatingPointStr(val.asString()));
+
+   // A bit under int32 min
+   val = Json::Value(kint32min - 0.5);
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::stringValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::objectValue));
+
+   JSONTEST_ASSERT_EQUAL(-2147483648.5, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(float(-2147483648.5), val.asFloat());
+#ifdef JSON_HAS_INT64
+   JSONTEST_ASSERT_EQUAL(-Json::Int64(1)<< 31, val.asLargestInt());
+#endif
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_EQUAL("-2147483648.50", normalizeFloatingPointStr(val.asString()));
+
+   // A bit over uint32 max
+   val = Json::Value(kuint32max + 0.5);
+
+   JSONTEST_ASSERT_EQUAL(Json::realValue, val.type());
+
+   checks = IsCheck();
+   checks.isDouble_ = true;
+   checks.isNumeric_ = true;
+   JSONTEST_ASSERT_PRED( checkIs( val, checks ) );
+
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::realValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::booleanValue));
+   JSONTEST_ASSERT(val.isConvertibleTo(Json::stringValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::nullValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::intValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::uintValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::arrayValue));
+   JSONTEST_ASSERT(!val.isConvertibleTo(Json::objectValue));
+
+   JSONTEST_ASSERT_EQUAL(4294967295.5, val.asDouble());
+   JSONTEST_ASSERT_EQUAL(float(4294967295.5), val.asFloat());
+#ifdef JSON_HAS_INT64
+   JSONTEST_ASSERT_EQUAL((Json::Int64(1) << 32)-1, val.asLargestInt());
+   JSONTEST_ASSERT_EQUAL((Json::UInt64(1) << 32)-Json::UInt64(1), val.asLargestUInt());
+#endif
+   JSONTEST_ASSERT_EQUAL(true, val.asBool());
+   JSONTEST_ASSERT_EQUAL("4294967295.50", normalizeFloatingPointStr(val.asString()));
+
+   val = Json::Value(1.2345678901234);
+   JSONTEST_ASSERT_STRING_EQUAL( "1.23456789012340", normalizeFloatingPointStr(val.asString()));
+}
+
+
+void
+ValueTest::checkConstMemberCount( const Json::Value &value, unsigned int expectedCount )
+{
+   unsigned int count = 0;
+   Json::Value::const_iterator itEnd = value.end();
+   for ( Json::Value::const_iterator it = value.begin(); it != itEnd; ++it )
+   {
+      ++count;
+   }
+   JSONTEST_ASSERT_EQUAL( expectedCount, count ) << "Json::Value::const_iterator";
+}
+
+void
+ValueTest::checkMemberCount( Json::Value &value, unsigned int expectedCount )
+{
+   JSONTEST_ASSERT_EQUAL(expectedCount, value.size() );
+
+   unsigned int count = 0;
+   Json::Value::iterator itEnd = value.end();
+   for ( Json::Value::iterator it = value.begin(); it != itEnd; ++it )
+   {
+      ++count;
+   }
+   JSONTEST_ASSERT_EQUAL( expectedCount, count ) << "Json::Value::iterator";
+
+   JSONTEST_ASSERT_PRED( checkConstMemberCount(value, expectedCount) );
+}
+
+
+ValueTest::IsCheck::IsCheck()
+   : isObject_( false )
+   , isArray_( false )
+   , isBool_( false )
+   , isString_( false )
+   , isNull_( false )
+   , isInt_( false )
+   , isInt64_( false )
+   , isUInt_( false )
+   , isUInt64_( false )
+   , isIntegral_( false )
+   , isDouble_( false )
+   , isNumeric_( false )
+{
+}
+
+
+void 
+ValueTest::checkIs( const Json::Value &value, const IsCheck &check )
+{
+   JSONTEST_ASSERT_EQUAL(check.isObject_, value.isObject() );
+   JSONTEST_ASSERT_EQUAL(check.isArray_, value.isArray() );
+   JSONTEST_ASSERT_EQUAL(check.isBool_, value.isBool() );
+   JSONTEST_ASSERT_EQUAL(check.isDouble_, value.isDouble() );
+   JSONTEST_ASSERT_EQUAL(check.isInt_, value.isInt() );
+   JSONTEST_ASSERT_EQUAL(check.isUInt_, value.isUInt() );
+   JSONTEST_ASSERT_EQUAL(check.isIntegral_, value.isIntegral() );
+   JSONTEST_ASSERT_EQUAL(check.isNumeric_, value.isNumeric() );
+   JSONTEST_ASSERT_EQUAL(check.isString_, value.isString() );
+   JSONTEST_ASSERT_EQUAL(check.isNull_, value.isNull() );
+
+#ifdef JSON_HAS_INT64
+   JSONTEST_ASSERT_EQUAL(check.isInt64_, value.isInt64() );
+   JSONTEST_ASSERT_EQUAL(check.isUInt64_, value.isUInt64() );
+#else
+   JSONTEST_ASSERT_EQUAL(false, value.isInt64() );
+   JSONTEST_ASSERT_EQUAL(false, value.isUInt64() );
+#endif
+}
+
+JSONTEST_FIXTURE( ValueTest, compareNull )
+{
+    JSONTEST_ASSERT_PRED( checkIsEqual( Json::Value(), Json::Value() ) );
+}
+
+
+JSONTEST_FIXTURE( ValueTest, compareInt )
+{
+    JSONTEST_ASSERT_PRED( checkIsLess( 0, 10 ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( 10, 10 ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( -10, -10 ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( -10, 0 ) );
+}
+
+
+JSONTEST_FIXTURE( ValueTest, compareUInt )
+{
+    JSONTEST_ASSERT_PRED( checkIsLess( 0u, 10u ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( 0u, Json::Value::maxUInt ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( 10u, 10u ) );
+}
+
+
+JSONTEST_FIXTURE( ValueTest, compareDouble )
+{
+    JSONTEST_ASSERT_PRED( checkIsLess( 0.0, 10.0 ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( 10.0, 10.0 ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( -10.0, -10.0 ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( -10.0, 0.0 ) );
+}
+
+
+JSONTEST_FIXTURE( ValueTest, compareString )
+{
+    JSONTEST_ASSERT_PRED( checkIsLess( "", " " ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( "", "a" ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( "abcd", "zyui" ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( "abc", "abcd" ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( "abcd", "abcd" ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( " ", " " ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( "ABCD", "abcd" ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( "ABCD", "ABCD" ) );
+}
+
+
+JSONTEST_FIXTURE( ValueTest, compareBoolean )
+{
+    JSONTEST_ASSERT_PRED( checkIsLess( false, true ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( false, false ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( true, true ) );
+}
+
+
+JSONTEST_FIXTURE( ValueTest, compareArray )
+{
+    // array compare size then content
+    Json::Value emptyArray(Json::arrayValue);
+    Json::Value l1aArray;
+    l1aArray.append( 0 );
+    Json::Value l1bArray;
+    l1bArray.append( 10 );
+    Json::Value l2aArray;
+    l2aArray.append( 0 );
+    l2aArray.append( 0 );
+    Json::Value l2bArray;
+    l2bArray.append( 0 );
+    l2bArray.append( 10 );
+    JSONTEST_ASSERT_PRED( checkIsLess( emptyArray, l1aArray ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( emptyArray, l2aArray ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( l1aArray, l2aArray ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( l2aArray, l2bArray ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( emptyArray, Json::Value( emptyArray ) ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( l1aArray, Json::Value( l1aArray) ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( l2bArray, Json::Value( l2bArray) ) );
+}
+
+
+JSONTEST_FIXTURE( ValueTest, compareObject )
+{
+    // object compare size then content
+    Json::Value emptyObject(Json::objectValue);
+    Json::Value l1aObject;
+    l1aObject["key1"] = 0;
+    Json::Value l1bObject;
+    l1aObject["key1"] = 10;
+    Json::Value l2aObject;
+    l2aObject["key1"] = 0;
+    l2aObject["key2"] = 0;
+    JSONTEST_ASSERT_PRED( checkIsLess( emptyObject, l1aObject ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( emptyObject, l2aObject ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( l1aObject, l2aObject ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( emptyObject, Json::Value( emptyObject ) ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( l1aObject, Json::Value( l1aObject ) ) );
+    JSONTEST_ASSERT_PRED( checkIsEqual( l2aObject, Json::Value( l2aObject ) ) );
+}
+
+
+JSONTEST_FIXTURE( ValueTest, compareType )
+{
+    // object of different type are ordered according to their type
+    JSONTEST_ASSERT_PRED( checkIsLess( Json::Value(), Json::Value(1) ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( Json::Value(1), Json::Value(1u) ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( Json::Value(1u), Json::Value(1.0) ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( Json::Value(1.0), Json::Value("a") ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( Json::Value("a"), Json::Value(true) ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( Json::Value(true), Json::Value(Json::arrayValue) ) );
+    JSONTEST_ASSERT_PRED( checkIsLess( Json::Value(Json::arrayValue), Json::Value(Json::objectValue) ) );
+}
+
+
+void 
+ValueTest::checkIsLess( const Json::Value &x, const Json::Value &y )
+{
+    JSONTEST_ASSERT( x < y );
+    JSONTEST_ASSERT( y > x );
+    JSONTEST_ASSERT( x <= y );
+    JSONTEST_ASSERT( y >= x );
+    JSONTEST_ASSERT( !(x == y) );
+    JSONTEST_ASSERT( !(y == x) );
+    JSONTEST_ASSERT( !(x >= y) );
+    JSONTEST_ASSERT( !(y <= x) );
+    JSONTEST_ASSERT( !(x > y) );
+    JSONTEST_ASSERT( !(y < x) );
+    JSONTEST_ASSERT( x.compare( y ) < 0 );
+    JSONTEST_ASSERT( y.compare( x ) >= 0 );
+}
+
+
+void 
+ValueTest::checkIsEqual( const Json::Value &x, const Json::Value &y )
+{
+    JSONTEST_ASSERT( x == y );
+    JSONTEST_ASSERT( y == x );
+    JSONTEST_ASSERT( x <= y );
+    JSONTEST_ASSERT( y <= x );
+    JSONTEST_ASSERT( x >= y );
+    JSONTEST_ASSERT( y >= x );
+    JSONTEST_ASSERT( !(x < y) );
+    JSONTEST_ASSERT( !(y < x) );
+    JSONTEST_ASSERT( !(x > y) );
+    JSONTEST_ASSERT( !(y > x) );
+    JSONTEST_ASSERT( x.compare( y ) == 0 );
+    JSONTEST_ASSERT( y.compare( x ) == 0 );
+}
+
+int main( int argc, const char *argv[] )
+{
+   JsonTest::Runner runner;
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, checkNormalizeFloatingPointStr );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, memberCount );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, objects );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, arrays );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, null );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, strings );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, bools );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, integers );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, nonIntegers );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, compareNull );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, compareInt );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, compareUInt );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, compareDouble );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, compareString );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, compareBoolean );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, compareArray );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, compareObject );
+   JSONTEST_REGISTER_FIXTURE( runner, ValueTest, compareType );
+   return runner.runCommandLine( argc, argv );
+}
diff --git a/src/test_lib_json/sconscript b/src/test_lib_json/sconscript
new file mode 100644
index 0000000..915fd01
--- /dev/null
+++ b/src/test_lib_json/sconscript
@@ -0,0 +1,10 @@
+Import( 'env_testing buildUnitTests' )
+
+buildUnitTests( env_testing, Split( """
+    main.cpp
+    jsontest.cpp
+     """ ),
+    'test_lib_json' )
+
+# For 'check' to work, 'libs' must be built first.
+env_testing.Depends('test_lib_json', '#libs')