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105 lines
2.9 KiB
105 lines
2.9 KiB
/*
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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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#include <expat.h>
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#include "talk/xmllite/xmlelement.h"
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#include "talk/base/common.h"
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#include "talk/xmpp/xmppstanzaparser.h"
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#include "talk/xmpp/constants.h"
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#define new TRACK_NEW
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namespace buzz {
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XmppStanzaParser::XmppStanzaParser(XmppStanzaParseHandler *psph) :
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psph_(psph),
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innerHandler_(this),
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parser_(&innerHandler_),
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depth_(0),
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builder_() {
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}
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void
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XmppStanzaParser::Reset() {
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parser_.Reset();
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depth_ = 0;
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builder_.Reset();
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}
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void
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XmppStanzaParser::IncomingStartElement(
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XmlParseContext * pctx, const char * name, const char ** atts) {
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if (depth_++ == 0) {
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XmlElement * pelStream = XmlBuilder::BuildElement(pctx, name, atts);
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if (pelStream == NULL) {
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pctx->RaiseError(XML_ERROR_SYNTAX);
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return;
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}
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psph_->StartStream(pelStream);
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delete pelStream;
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return;
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}
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builder_.StartElement(pctx, name, atts);
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}
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void
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XmppStanzaParser::IncomingCharacterData(
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XmlParseContext * pctx, const char * text, int len) {
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if (depth_ > 1) {
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builder_.CharacterData(pctx, text, len);
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}
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}
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void
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XmppStanzaParser::IncomingEndElement(
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XmlParseContext * pctx, const char * name) {
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if (--depth_ == 0) {
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psph_->EndStream();
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return;
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}
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builder_.EndElement(pctx, name);
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if (depth_ == 1) {
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XmlElement *element = builder_.CreateElement();
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psph_->Stanza(element);
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delete element;
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}
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}
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void
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XmppStanzaParser::IncomingError(
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XmlParseContext * pctx, XML_Error errCode) {
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UNUSED(pctx);
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UNUSED(errCode);
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psph_->XmlError();
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}
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}
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