| henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2004--2005, Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifndef _xmppstanzaparser_h_ |
| 29 | #define _xmppstanzaparser_h_ |
| 30 | |
| 31 | #include "talk/xmllite/xmlparser.h" |
| 32 | #include "talk/xmllite/xmlbuilder.h" |
| 33 | |
| 34 | |
| 35 | namespace buzz { |
| 36 | |
| 37 | class XmlElement; |
| 38 | |
| 39 | class XmppStanzaParseHandler { |
| 40 | public: |
| 41 | virtual ~XmppStanzaParseHandler() {} |
| 42 | virtual void StartStream(const XmlElement * pelStream) = 0; |
| 43 | virtual void Stanza(const XmlElement * pelStanza) = 0; |
| 44 | virtual void EndStream() = 0; |
| 45 | virtual void XmlError() = 0; |
| 46 | }; |
| 47 | |
| 48 | class XmppStanzaParser { |
| 49 | public: |
| 50 | XmppStanzaParser(XmppStanzaParseHandler *psph); |
| 51 | bool Parse(const char * data, size_t len, bool isFinal) |
| 52 | { return parser_.Parse(data, len, isFinal); } |
| 53 | void Reset(); |
| 54 | |
| 55 | private: |
| 56 | class ParseHandler : public XmlParseHandler { |
| 57 | public: |
| 58 | ParseHandler(XmppStanzaParser * outer) : outer_(outer) {} |
| 59 | virtual void StartElement(XmlParseContext * pctx, |
| 60 | const char * name, const char ** atts) |
| 61 | { outer_->IncomingStartElement(pctx, name, atts); } |
| 62 | virtual void EndElement(XmlParseContext * pctx, |
| 63 | const char * name) |
| 64 | { outer_->IncomingEndElement(pctx, name); } |
| 65 | virtual void CharacterData(XmlParseContext * pctx, |
| 66 | const char * text, int len) |
| 67 | { outer_->IncomingCharacterData(pctx, text, len); } |
| 68 | virtual void Error(XmlParseContext * pctx, |
| 69 | XML_Error errCode) |
| 70 | { outer_->IncomingError(pctx, errCode); } |
| 71 | private: |
| 72 | XmppStanzaParser * const outer_; |
| 73 | }; |
| 74 | |
| 75 | friend class ParseHandler; |
| 76 | |
| 77 | void IncomingStartElement(XmlParseContext * pctx, |
| 78 | const char * name, const char ** atts); |
| 79 | void IncomingEndElement(XmlParseContext * pctx, |
| 80 | const char * name); |
| 81 | void IncomingCharacterData(XmlParseContext * pctx, |
| 82 | const char * text, int len); |
| 83 | void IncomingError(XmlParseContext * pctx, |
| 84 | XML_Error errCode); |
| 85 | |
| 86 | XmppStanzaParseHandler * psph_; |
| 87 | ParseHandler innerHandler_; |
| 88 | XmlParser parser_; |
| 89 | int depth_; |
| 90 | XmlBuilder builder_; |
| 91 | |
| 92 | }; |
| 93 | |
| 94 | |
| 95 | } |
| 96 | |
| 97 | #endif |