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/*
* 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 SkXMLParser_DEFINED
#define SkXMLParser_DEFINED
#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
bool startElement(const char elem[]);
bool addAttribute(const char name[], const char value[]);
bool endElement(const char elem[]);
bool text(const char text[], int len);
void* fParser;
protected:
SkXMLParserError* fError;
private:
void reportError(void* parser);
};
#endif
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