skia2/include/xml/SkXMLWriter.h

96 lines
2.9 KiB
C++

/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#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 addText(const char text[], size_t length);
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 onAddText(const char text[], size_t length) = 0;
virtual void onEndElement() = 0;
struct Elem {
Elem(const char name[], size_t len)
: fName(name, len)
, fHasChildren(false)
, fHasText(false) {}
SkString fName;
bool fHasChildren;
bool fHasText;
};
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:
void onStartElementLen(const char elem[], size_t length) SK_OVERRIDE;
void onEndElement() SK_OVERRIDE;
void onAddAttributeLen(const char name[], const char value[], size_t length) SK_OVERRIDE;
void onAddText(const char text[], size_t length) SK_OVERRIDE;
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);
virtual void onAddText(const char text[], size_t length) SK_OVERRIDE;
private:
SkXMLParser& fParser;
};
#endif