skia2/include/xml/SkXMLWriter.h

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/*
* 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