michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef SkXMLWriter_DEFINED
michael@0: #define SkXMLWriter_DEFINED
michael@0: 
michael@0: #include "SkTDArray.h"
michael@0: #include "SkString.h"
michael@0: #include "SkDOM.h"
michael@0: 
michael@0: class SkWStream;
michael@0: class SkXMLParser;
michael@0: 
michael@0: class SkXMLWriter {
michael@0: public:
michael@0:             SkXMLWriter(bool doEscapeMarkup = true);
michael@0:     virtual ~SkXMLWriter();
michael@0: 
michael@0:     void    addS32Attribute(const char name[], int32_t value);
michael@0:     void    addAttribute(const char name[], const char value[]);
michael@0:     void    addAttributeLen(const char name[], const char value[], size_t length);
michael@0:     void    addHexAttribute(const char name[], uint32_t value, int minDigits = 0);
michael@0:     void    addScalarAttribute(const char name[], SkScalar value);
michael@0:     void    endElement() { this->onEndElement(); }
michael@0:     void    startElement(const char elem[]);
michael@0:     void    startElementLen(const char elem[], size_t length);
michael@0:     void    writeDOM(const SkDOM&, const SkDOM::Node*, bool skipRoot);
michael@0:     void    flush();
michael@0:     virtual void writeHeader();
michael@0: 
michael@0: protected:
michael@0:     virtual void onStartElementLen(const char elem[], size_t length) = 0;
michael@0:     virtual void onAddAttributeLen(const char name[], const char value[], size_t length) = 0;
michael@0:     virtual void onEndElement() = 0;
michael@0: 
michael@0:     struct Elem {
michael@0:         SkString    fName;
michael@0:         bool        fHasChildren;
michael@0:     };
michael@0:     void doEnd(Elem* elem);
michael@0:     bool doStart(const char name[], size_t length);
michael@0:     Elem* getEnd();
michael@0:     const char* getHeader();
michael@0:     SkTDArray<Elem*> fElems;
michael@0: 
michael@0: private:
michael@0:     bool fDoEscapeMarkup;
michael@0:     // illegal
michael@0:     SkXMLWriter& operator=(const SkXMLWriter&);
michael@0: };
michael@0: 
michael@0: class SkXMLStreamWriter : public SkXMLWriter {
michael@0: public:
michael@0:     SkXMLStreamWriter(SkWStream*);
michael@0:     virtual ~SkXMLStreamWriter();
michael@0:     virtual void    writeHeader();
michael@0:     SkDEBUGCODE(static void UnitTest();)
michael@0: protected:
michael@0:     virtual void onStartElementLen(const char elem[], size_t length);
michael@0:     virtual void onEndElement();
michael@0:     virtual void onAddAttributeLen(const char name[], const char value[], size_t length);
michael@0: private:
michael@0:     SkWStream&      fStream;
michael@0: };
michael@0: 
michael@0: class SkXMLParserWriter : public SkXMLWriter {
michael@0: public:
michael@0:     SkXMLParserWriter(SkXMLParser*);
michael@0:     virtual ~SkXMLParserWriter();
michael@0: protected:
michael@0:     virtual void onStartElementLen(const char elem[], size_t length);
michael@0:     virtual void onEndElement();
michael@0:     virtual void onAddAttributeLen(const char name[], const char value[], size_t length);
michael@0: private:
michael@0:     SkXMLParser&        fParser;
michael@0: };
michael@0: 
michael@0: 
michael@0: #endif