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 TALK_XMPP_XMPPSTANZAPARSER_H_
29#define TALK_XMPP_XMPPSTANZAPARSER_H_
30
31#include "webrtc/libjingle/xmllite/xmlbuilder.h"
32#include "webrtc/libjingle/xmllite/xmlparser.h"
33
34
35namespace buzz {
36
37class XmlElement;
38
39class XmppStanzaParseHandler {
40public:
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
48class XmppStanzaParser {
49public:
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
55private:
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  // TALK_XMPP_XMPPSTANZAPARSER_H_
98