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/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <expat.h>
#include "talk/xmllite/xmlelement.h"
#include "talk/base/common.h"
#include "talk/xmpp/xmppstanzaparser.h"
#include "talk/xmpp/constants.h"
#define new TRACK_NEW
namespace buzz {
XmppStanzaParser::XmppStanzaParser(XmppStanzaParseHandler *psph) :
psph_(psph),
innerHandler_(this),
parser_(&innerHandler_),
depth_(0),
builder_() {
}
void
XmppStanzaParser::Reset() {
parser_.Reset();
depth_ = 0;
builder_.Reset();
}
void
XmppStanzaParser::IncomingStartElement(
XmlParseContext * pctx, const char * name, const char ** atts) {
if (depth_++ == 0) {
XmlElement * pelStream = XmlBuilder::BuildElement(pctx, name, atts);
if (pelStream == NULL) {
pctx->RaiseError(XML_ERROR_SYNTAX);
return;
}
psph_->StartStream(pelStream);
delete pelStream;
return;
}
builder_.StartElement(pctx, name, atts);
}
void
XmppStanzaParser::IncomingCharacterData(
XmlParseContext * pctx, const char * text, int len) {
if (depth_ > 1) {
builder_.CharacterData(pctx, text, len);
}
}
void
XmppStanzaParser::IncomingEndElement(
XmlParseContext * pctx, const char * name) {
if (--depth_ == 0) {
psph_->EndStream();
return;
}
builder_.EndElement(pctx, name);
if (depth_ == 1) {
XmlElement *element = builder_.CreateElement();
psph_->Stanza(element);
delete element;
}
}
void
XmppStanzaParser::IncomingError(
XmlParseContext * pctx, XML_Error errCode) {
UNUSED(pctx);
UNUSED(errCode);
psph_->XmlError();
}
}
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