| /* |
| * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef WEBRTC_LIBJINGLE_XMLLITE_XMLPARSER_H_ |
| #define WEBRTC_LIBJINGLE_XMLLITE_XMLPARSER_H_ |
| |
| #include <string> |
| |
| #include "webrtc/libjingle/xmllite/xmlnsstack.h" |
| #ifdef EXPAT_RELATIVE_PATH |
| #include "expat.h" |
| #else |
| #include "third_party/expat/v2_0_1/Source/lib/expat.h" |
| #endif // EXPAT_RELATIVE_PATH |
| |
| struct XML_ParserStruct; |
| typedef struct XML_ParserStruct* XML_Parser; |
| |
| namespace buzz { |
| |
| class XmlParseHandler; |
| class XmlParseContext; |
| class XmlParser; |
| |
| class XmlParseContext { |
| public: |
| virtual ~XmlParseContext() {} |
| virtual QName ResolveQName(const char * qname, bool isAttr) = 0; |
| virtual void RaiseError(XML_Error err) = 0; |
| virtual void GetPosition(unsigned long * line, unsigned long * column, |
| unsigned long * byte_index) = 0; |
| }; |
| |
| class XmlParseHandler { |
| public: |
| virtual ~XmlParseHandler() {} |
| virtual void StartElement(XmlParseContext * pctx, |
| const char * name, const char ** atts) = 0; |
| virtual void EndElement(XmlParseContext * pctx, |
| const char * name) = 0; |
| virtual void CharacterData(XmlParseContext * pctx, |
| const char * text, int len) = 0; |
| virtual void Error(XmlParseContext * pctx, |
| XML_Error errorCode) = 0; |
| }; |
| |
| class XmlParser { |
| public: |
| static void ParseXml(XmlParseHandler * pxph, std::string text); |
| |
| explicit XmlParser(XmlParseHandler * pxph); |
| bool Parse(const char * data, size_t len, bool isFinal); |
| void Reset(); |
| virtual ~XmlParser(); |
| |
| // expat callbacks |
| void ExpatStartElement(const char * name, const char ** atts); |
| void ExpatEndElement(const char * name); |
| void ExpatCharacterData(const char * text, int len); |
| void ExpatXmlDecl(const char * ver, const char * enc, int standalone); |
| |
| private: |
| |
| class ParseContext : public XmlParseContext { |
| public: |
| ParseContext(); |
| virtual ~ParseContext(); |
| virtual QName ResolveQName(const char * qname, bool isAttr); |
| virtual void RaiseError(XML_Error err) { if (!raised_) raised_ = err; } |
| virtual void GetPosition(unsigned long * line, unsigned long * column, |
| unsigned long * byte_index); |
| XML_Error RaisedError() { return raised_; } |
| void Reset(); |
| |
| void StartElement(); |
| void EndElement(); |
| void StartNamespace(const char * prefix, const char * ns); |
| void SetPosition(int line, int column, long byte_index); |
| |
| private: |
| XmlnsStack xmlnsstack_; |
| XML_Error raised_; |
| XML_Size line_number_; |
| XML_Size column_number_; |
| XML_Index byte_index_; |
| }; |
| |
| ParseContext context_; |
| XML_Parser expat_; |
| XmlParseHandler * pxph_; |
| bool sentError_; |
| }; |
| |
| } // namespace buzz |
| |
| #endif // WEBRTC_LIBJINGLE_XMLLITE_XMLPARSER_H_ |