f68cc0b0c3
git-svn-id: http://webrtc.googlecode.com/svn/trunk@7439 4adac7df-926f-26a2-2b94-8c16560cd09d
121 lines
4.0 KiB
C++
Executable File
121 lines
4.0 KiB
C++
Executable File
/*
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* libjingle
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* Copyright 2004--2005, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_XMLLITE_XMLPARSER_H_
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#define TALK_XMLLITE_XMLPARSER_H_
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#include <string>
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#include "talk/xmllite/xmlnsstack.h"
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#ifdef EXPAT_RELATIVE_PATH
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#include "expat.h"
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#else
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#include "third_party/expat/v2_0_1/Source/lib/expat.h"
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#endif // EXPAT_RELATIVE_PATH
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struct XML_ParserStruct;
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typedef struct XML_ParserStruct* XML_Parser;
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namespace buzz {
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class XmlParseHandler;
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class XmlParseContext;
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class XmlParser;
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class XmlParseContext {
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public:
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virtual ~XmlParseContext() {}
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virtual QName ResolveQName(const char * qname, bool isAttr) = 0;
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virtual void RaiseError(XML_Error err) = 0;
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virtual void GetPosition(unsigned long * line, unsigned long * column,
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unsigned long * byte_index) = 0;
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};
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class XmlParseHandler {
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public:
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virtual ~XmlParseHandler() {}
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virtual void StartElement(XmlParseContext * pctx,
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const char * name, const char ** atts) = 0;
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virtual void EndElement(XmlParseContext * pctx,
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const char * name) = 0;
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virtual void CharacterData(XmlParseContext * pctx,
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const char * text, int len) = 0;
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virtual void Error(XmlParseContext * pctx,
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XML_Error errorCode) = 0;
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};
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class XmlParser {
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public:
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static void ParseXml(XmlParseHandler * pxph, std::string text);
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explicit XmlParser(XmlParseHandler * pxph);
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bool Parse(const char * data, size_t len, bool isFinal);
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void Reset();
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virtual ~XmlParser();
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// expat callbacks
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void ExpatStartElement(const char * name, const char ** atts);
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void ExpatEndElement(const char * name);
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void ExpatCharacterData(const char * text, int len);
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void ExpatXmlDecl(const char * ver, const char * enc, int standalone);
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private:
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class ParseContext : public XmlParseContext {
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public:
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ParseContext();
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virtual ~ParseContext();
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virtual QName ResolveQName(const char * qname, bool isAttr);
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virtual void RaiseError(XML_Error err) { if (!raised_) raised_ = err; }
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virtual void GetPosition(unsigned long * line, unsigned long * column,
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unsigned long * byte_index);
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XML_Error RaisedError() { return raised_; }
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void Reset();
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void StartElement();
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void EndElement();
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void StartNamespace(const char * prefix, const char * ns);
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void SetPosition(int line, int column, long byte_index);
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private:
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XmlnsStack xmlnsstack_;
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XML_Error raised_;
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XML_Size line_number_;
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XML_Size column_number_;
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XML_Index byte_index_;
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};
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ParseContext context_;
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XML_Parser expat_;
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XmlParseHandler * pxph_;
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bool sentError_;
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};
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} // namespace buzz
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#endif // TALK_XMLLITE_XMLPARSER_H_
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