grab from latest android
git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/xml/SkBML_WXMLParser.h b/include/xml/SkBML_WXMLParser.h
new file mode 100644
index 0000000..faa127d
--- /dev/null
+++ b/include/xml/SkBML_WXMLParser.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkBML_WXMLParser_DEFINED
+#define SkBML_WXMLParser_DEFINED
+
+#include "SkString.h"
+#include "SkXMLParser.h"
+
+class SkStream;
+class SkWStream;
+
+class BML_WXMLParser : public SkXMLParser {
+public:
+ BML_WXMLParser(SkWStream& writer);
+ virtual ~BML_WXMLParser();
+ static void Write(SkStream& s, const char filename[]);
+
+ /** @cond UNIT_TEST */
+ SkDEBUGCODE(static void UnitTest();)
+ /** @endcond */
+private:
+ virtual bool onAddAttribute(const char name[], const char value[]);
+ virtual bool onEndElement(const char name[]);
+ virtual bool onStartElement(const char name[]);
+ BML_WXMLParser& operator=(const BML_WXMLParser& src);
+#ifdef SK_DEBUG
+ int fElemsCount, fElemsReused;
+ int fAttrsCount, fNamesReused, fValuesReused;
+#endif
+ SkWStream& fWriter;
+ char* fElems[256];
+ char* fAttrNames[256];
+ char* fAttrValues[256];
+
+ // important that these are U8, so we get automatic wrap-around
+ U8 fNextElem, fNextAttrName, fNextAttrValue;
+};
+
+#endif // SkBML_WXMLParser_DEFINED
+
diff --git a/include/xml/SkBML_XMLParser.h b/include/xml/SkBML_XMLParser.h
new file mode 100644
index 0000000..f056bca
--- /dev/null
+++ b/include/xml/SkBML_XMLParser.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkBML_XMLParser_DEFINED
+#define SkBML_XMLParser_DEFINED
+
+class SkStream;
+class SkWStream;
+class SkXMLParser;
+class SkXMLWriter;
+
+class BML_XMLParser {
+public:
+ /** Read the byte XML stream and write the decompressed XML.
+ */
+ static void Read(SkStream& s, SkXMLWriter& writer);
+ /** Read the byte XML stream and write the decompressed XML into a writable stream.
+ */
+ static void Read(SkStream& s, SkWStream& output);
+ /** Read the byte XML stream and write the decompressed XML into an XML parser.
+ */
+ static void Read(SkStream& s, SkXMLParser& output);
+};
+
+#endif // SkBML_XMLParser_DEFINED
+
diff --git a/include/xml/SkDOM.h b/include/xml/SkDOM.h
new file mode 100644
index 0000000..74e2492
--- /dev/null
+++ b/include/xml/SkDOM.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkDOM_DEFINED
+#define SkDOM_DEFINED
+
+#include "SkChunkAlloc.h"
+#include "SkMath.h"
+#include "SkScalar.h"
+#include "SkTemplates.h"
+
+struct SkDOMNode;
+struct SkDOMAttr;
+
+class SkDOM {
+public:
+ SkDOM();
+ ~SkDOM();
+
+ typedef SkDOMNode Node;
+ typedef SkDOMAttr Attr;
+
+ /** Returns null on failure
+ */
+ const Node* build(const char doc[], size_t len);
+ const Node* copy(const SkDOM& dom, const Node* node);
+
+ const Node* getRootNode() const;
+
+ enum Type {
+ kElement_Type,
+ kText_Type
+ };
+ Type getType(const Node*) const;
+
+ const char* getName(const Node*) const;
+ const Node* getFirstChild(const Node*, const char elem[] = NULL) const;
+ const Node* getNextSibling(const Node*, const char elem[] = NULL) const;
+
+ const char* findAttr(const Node*, const char attrName[]) const;
+ const Attr* getFirstAttr(const Node*) const;
+ const Attr* getNextAttr(const Node*, const Attr*) const;
+ const char* getAttrName(const Node*, const Attr*) const;
+ const char* getAttrValue(const Node*, const Attr*) const;
+
+ // helpers for walking children
+ int countChildren(const Node* node, const char elem[] = NULL) const;
+
+ // helpers for calling SkParse
+ bool findS32(const Node*, const char name[], int32_t* value) const;
+ bool findScalars(const Node*, const char name[], SkScalar value[], int count) const;
+ bool findHex(const Node*, const char name[], uint32_t* value) const;
+ bool findBool(const Node*, const char name[], bool*) const;
+ int findList(const Node*, const char name[], const char list[]) const;
+
+ bool findScalar(const Node* node, const char name[], SkScalar value[]) const
+ {
+ return this->findScalars(node, name, value, 1);
+ }
+
+ bool hasAttr(const Node*, const char name[], const char value[]) const;
+ bool hasS32(const Node*, const char name[], int32_t value) const;
+ bool hasScalar(const Node*, const char name[], SkScalar value) const;
+ bool hasHex(const Node*, const char name[], uint32_t value) const;
+ bool hasBool(const Node*, const char name[], bool value) const;
+
+ class AttrIter {
+ public:
+ AttrIter(const class SkDOM&, const Node*);
+ const char* next(const char** value);
+ private:
+ const Attr* fAttr;
+ const Attr* fStop;
+ };
+
+ SkDEBUGCODE(void dump(const Node* node = NULL, int tabLevel = 0) const;)
+ SkDEBUGCODE(static void UnitTest();)
+
+private:
+ SkChunkAlloc fAlloc;
+ Node* fRoot;
+ friend class AttrIter;
+ friend class SkDOMParser;
+};
+
+#endif
+
diff --git a/include/xml/SkJS.h b/include/xml/SkJS.h
new file mode 100644
index 0000000..fe76352
--- /dev/null
+++ b/include/xml/SkJS.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "SkTypes.h"
+#include "SkWindow.h"
+
+extern "C" {
+ typedef long JSWord;
+ typedef JSWord jsword;
+ typedef jsword jsval;
+ typedef struct JSRuntime JSRuntime;
+ typedef struct JSContext JSContext;
+ typedef struct JSObject JSObject;
+}
+
+class SkString;
+
+class SkJS : public SkOSWindow {
+public:
+ SkJS(void* hwnd);
+ ~SkJS();
+ SkBool EvaluateScript(const char* script, jsval* rVal);
+ SkBool ValueToString(jsval value, SkString* string);
+#ifdef SK_DEBUG
+ static void Test(void* hwnd);
+#endif
+protected:
+ void InitializeDisplayables(const SkBitmap& , JSContext *, JSObject *, JSObject *);
+ void DisposeDisplayables();
+ JSRuntime *fRuntime;
+ JSContext *fContext;
+ JSObject *fGlobal;
+};
+
diff --git a/include/xml/SkXMLParser.h b/include/xml/SkXMLParser.h
new file mode 100644
index 0000000..ddad273
--- /dev/null
+++ b/include/xml/SkXMLParser.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkXMLParser_DEFINED
+#define SkXMLParser_DEFINED
+
+#include "SkMath.h"
+#include "SkString.h"
+
+class SkStream;
+
+class SkDOM;
+struct SkDOMNode;
+
+class SkXMLParserError {
+public:
+ enum ErrorCode {
+ kNoError,
+ kEmptyFile,
+ kUnknownElement,
+ kUnknownAttributeName,
+ kErrorInAttributeValue,
+ kDuplicateIDs,
+ kUnknownError
+ };
+
+ SkXMLParserError();
+ virtual ~SkXMLParserError();
+ ErrorCode getErrorCode() const { return fCode; }
+ virtual void getErrorString(SkString* str) const;
+ int getLineNumber() const { return fLineNumber; }
+ int getNativeCode() const { return fNativeCode; }
+ bool hasError() const { return fCode != kNoError || fNativeCode != -1; }
+ bool hasNoun() const { return fNoun.size() > 0; }
+ void reset();
+ void setCode(ErrorCode code) { fCode = code; }
+ void setNoun(const SkString& str) { fNoun.set(str); }
+ void setNoun(const char* ch) { fNoun.set(ch); }
+ void setNoun(const char* ch, size_t len) { fNoun.set(ch, len); }
+protected:
+ ErrorCode fCode;
+private:
+ int fLineNumber;
+ int fNativeCode;
+ SkString fNoun;
+ friend class SkXMLParser;
+};
+
+class SkXMLParser {
+public:
+ SkXMLParser(SkXMLParserError* parserError = NULL);
+ virtual ~SkXMLParser();
+
+ /** Returns true for success
+ */
+ bool parse(const char doc[], size_t len);
+ bool parse(SkStream& docStream);
+ bool parse(const SkDOM&, const SkDOMNode*);
+
+ static void GetNativeErrorString(int nativeErrorCode, SkString* str);
+
+protected:
+ // override in subclasses; return true to stop parsing
+ virtual bool onStartElement(const char elem[]);
+ virtual bool onAddAttribute(const char name[], const char value[]);
+ virtual bool onEndElement(const char elem[]);
+ virtual bool onText(const char text[], int len);
+
+public:
+ // public for ported implementation, not meant for clients to call
+ virtual bool startElement(const char elem[]);
+ virtual bool addAttribute(const char name[], const char value[]);
+ virtual bool endElement(const char elem[]);
+ virtual bool text(const char text[], int len);
+ void* fParser;
+protected:
+ SkXMLParserError* fError;
+private:
+ void reportError(void* parser);
+};
+
+class SkXMLPullParser {
+public:
+ SkXMLPullParser();
+ explicit SkXMLPullParser(SkStream*);
+ virtual ~SkXMLPullParser();
+
+ SkStream* getStream() const { return fStream; }
+ SkStream* setStream(SkStream* stream);
+
+ enum EventType {
+ ERROR = -1,
+ START_DOCUMENT,
+ END_DOCUMENT,
+ START_TAG,
+ END_TAG,
+ TEXT,
+ CDSECT,
+ ENTITY_REF,
+ IGNORABLE_WHITESPACE,
+ PROCESSING_INSTRUCTION,
+ COMMENT,
+ DOCDECL
+ };
+
+ EventType nextToken();
+ EventType getEventType() const { return fCurr.fEventType; }
+
+ struct AttrInfo {
+ const char* fName;
+ const char* fValue;
+ };
+
+ int getDepth() const { return fDepth; }
+ const char* getName();
+ int getAttributeCount();
+ void getAttributeInfo(int, AttrInfo*);
+ const char* getText();
+ bool isWhitespace();
+
+protected:
+ virtual bool onEntityReplacement(const char name[],
+ SkString* replacement);
+
+public:
+ struct Curr {
+ EventType fEventType;
+ const char* fName;
+ AttrInfo* fAttrInfos;
+ int fAttrInfoCount;
+ bool fIsWhitespace;
+ };
+
+private:
+ // implemented in the porting layer
+ bool onInit(); // return false on failure
+ EventType onNextToken();
+ void onExit();
+
+ SkStream* fStream;
+ Curr fCurr;
+ int fDepth;
+
+ struct Impl;
+ Impl* fImpl;
+};
+
+#endif
diff --git a/include/xml/SkXMLWriter.h b/include/xml/SkXMLWriter.h
new file mode 100644
index 0000000..742e7f1
--- /dev/null
+++ b/include/xml/SkXMLWriter.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkXMLWriter_DEFINED
+#define SkXMLWriter_DEFINED
+
+#include "SkTDArray.h"
+#include "SkString.h"
+#include "SkDOM.h"
+
+class SkWStream;
+class SkXMLParser;
+
+class SkXMLWriter {
+public:
+ SkXMLWriter(bool doEscapeMarkup = true);
+ virtual ~SkXMLWriter();
+
+ void addS32Attribute(const char name[], int32_t value);
+ void addAttribute(const char name[], const char value[]);
+ void addAttributeLen(const char name[], const char value[], size_t length);
+ void addHexAttribute(const char name[], uint32_t value, int minDigits = 0);
+ void addScalarAttribute(const char name[], SkScalar value);
+ void endElement() { this->onEndElement(); }
+ void startElement(const char elem[]);
+ void startElementLen(const char elem[], size_t length);
+ void writeDOM(const SkDOM&, const SkDOM::Node*, bool skipRoot);
+ void flush();
+ virtual void writeHeader();
+
+protected:
+ virtual void onStartElementLen(const char elem[], size_t length) = 0;
+ virtual void onAddAttributeLen(const char name[], const char value[], size_t length) = 0;
+ virtual void onEndElement() = 0;
+
+ struct Elem {
+ SkString fName;
+ bool fHasChildren;
+ };
+ void doEnd(Elem* elem);
+ bool doStart(const char name[], size_t length);
+ Elem* getEnd();
+ const char* getHeader();
+ SkTDArray<Elem*> fElems;
+
+private:
+ bool fDoEscapeMarkup;
+ // illegal
+ SkXMLWriter& operator=(const SkXMLWriter&);
+};
+
+class SkXMLStreamWriter : public SkXMLWriter {
+public:
+ SkXMLStreamWriter(SkWStream*);
+ virtual ~SkXMLStreamWriter();
+ virtual void writeHeader();
+ SkDEBUGCODE(static void UnitTest();)
+protected:
+ virtual void onStartElementLen(const char elem[], size_t length);
+ virtual void onEndElement();
+ virtual void onAddAttributeLen(const char name[], const char value[], size_t length);
+private:
+ SkWStream& fStream;
+};
+
+class SkXMLParserWriter : public SkXMLWriter {
+public:
+ SkXMLParserWriter(SkXMLParser*);
+ virtual ~SkXMLParserWriter();
+protected:
+ virtual void onStartElementLen(const char elem[], size_t length);
+ virtual void onEndElement();
+ virtual void onAddAttributeLen(const char name[], const char value[], size_t length);
+private:
+ SkXMLParser& fParser;
+};
+
+
+#endif
+