Added the improved attribute query
diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 5e5b93d..96ec1bf 100644
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -1074,6 +1074,17 @@
}
+const char* XMLElement::Attribute( const char* name, const char* value ) const
+{
+ const XMLAttribute* a = FindAttribute( name );
+ if ( !a )
+ return 0;
+ if ( !value || XMLUtil::StringEqual( a->Value(), value ))
+ return a->Value();
+ return 0;
+}
+
+
const char* XMLElement::GetText() const
{
if ( FirstChild() && FirstChild()->ToText() ) {
diff --git a/tinyxml2.h b/tinyxml2.h
index 6f3828c..e96e471 100644
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -845,8 +845,23 @@
/** Given an attribute name, Attribute() returns the value
for the attribute of that name, or null if none exists.
+
+ 'value' is normally null. However, if specified, the attribute
+ will only be returned if the 'name' and 'value' match. This
+ allow you to write code:
+
+ @verbatim
+ if ( ele->Attribute( "foo", "bar" ) ) callFooIsBar();
+ @endverbatim
+
+ rather than:
+ @verbatim
+ if ( ele->Attribute( "foo" ) ) {
+ if ( strcmp( ele->Attribute( "foo" ), "bar" ) == 0 ) callFooIsBar();
+ }
+ @endverbatim
*/
- const char* Attribute( const char* name ) const { const XMLAttribute* a = FindAttribute( name ); if ( !a ) return 0; return a->Value(); }
+ const char* Attribute( const char* name, const char* value=0 ) const;
/** Given an attribute name, IntAttribute() returns the value
of the attribute interpreted as an integer. 0 will be
diff --git a/xmltest.cpp b/xmltest.cpp
index 93b5599..20e3fa9 100644
--- a/xmltest.cpp
+++ b/xmltest.cpp
@@ -319,6 +319,7 @@
ele->QueryIntAttribute( "int", &iVal );
ele->QueryDoubleAttribute( "double", &dVal );
+ XMLTest( "Attribute match test", ele->Attribute( "str", "strValue" ), "strValue" );
XMLTest( "Attribute round trip. c-string.", "strValue", cStr );
XMLTest( "Attribute round trip. int.", 1, iVal );
XMLTest( "Attribute round trip. double.", -1, (int)dVal );