15976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org/*
25976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * libjingle
35976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * Copyright 2004--2005, Google Inc.
45976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org *
55976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * Redistribution and use in source and binary forms, with or without
65976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * modification, are permitted provided that the following conditions are met:
75976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org *
85976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org *  1. Redistributions of source code must retain the above copyright notice,
95976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org *     this list of conditions and the following disclaimer.
105976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org *  2. Redistributions in binary form must reproduce the above copyright notice,
115976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org *     this list of conditions and the following disclaimer in the documentation
125976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org *     and/or other materials provided with the distribution.
135976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org *  3. The name of the author may not be used to endorse or promote products
145976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org *     derived from this software without specific prior written permission.
155976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org *
165976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
175976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
185976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
195976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
205976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
215976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
225976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
235976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
245976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
255976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
265976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org */
275976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
285976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/xmpp/xmppstanzaparser.h"
295976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
305976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/xmllite/xmlelement.h"
315976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/base/common.h"
325976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/xmpp/constants.h"
335976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#ifdef EXPAT_RELATIVE_PATH
345976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "expat.h"
355976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#else
365976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "third_party/expat/v2_0_1/Source/lib/expat.h"
375976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#endif
385976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
395976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgnamespace buzz {
405976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
415976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgXmppStanzaParser::XmppStanzaParser(XmppStanzaParseHandler *psph) :
425976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  psph_(psph),
435976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  innerHandler_(this),
445976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  parser_(&innerHandler_),
455976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  depth_(0),
465976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  builder_() {
475976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org}
485976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
495976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgvoid
505976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgXmppStanzaParser::Reset() {
515976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  parser_.Reset();
525976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  depth_ = 0;
535976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  builder_.Reset();
545976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org}
555976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
565976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgvoid
575976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgXmppStanzaParser::IncomingStartElement(
585976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    XmlParseContext * pctx, const char * name, const char ** atts) {
595976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  if (depth_++ == 0) {
605976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    XmlElement * pelStream = XmlBuilder::BuildElement(pctx, name, atts);
615976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    if (pelStream == NULL) {
625976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org      pctx->RaiseError(XML_ERROR_SYNTAX);
635976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org      return;
645976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    }
655976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    psph_->StartStream(pelStream);
665976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    delete pelStream;
675976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    return;
685976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  }
695976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
705976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  builder_.StartElement(pctx, name, atts);
715976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org}
725976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
735976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgvoid
745976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgXmppStanzaParser::IncomingCharacterData(
755976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    XmlParseContext * pctx, const char * text, int len) {
765976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  if (depth_ > 1) {
775976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    builder_.CharacterData(pctx, text, len);
785976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  }
795976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org}
805976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
815976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgvoid
825976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgXmppStanzaParser::IncomingEndElement(
835976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    XmlParseContext * pctx, const char * name) {
845976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  if (--depth_ == 0) {
855976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    psph_->EndStream();
865976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    return;
875976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  }
885976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
895976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  builder_.EndElement(pctx, name);
905976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
915976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  if (depth_ == 1) {
925976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    XmlElement *element = builder_.CreateElement();
935976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    psph_->Stanza(element);
945976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    delete element;
955976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  }
965976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org}
975976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
985976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgvoid
995976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgXmppStanzaParser::IncomingError(
1005976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org    XmlParseContext * pctx, XML_Error errCode) {
1015976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  UNUSED(pctx);
1025976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  UNUSED(errCode);
1035976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org  psph_->XmlError();
1045976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org}
1055976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org
1065976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org}
107