90 lines
2.0 KiB
C++
90 lines
2.0 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/libjingle/xmpp/xmppstanzaparser.h"
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#include "webrtc/libjingle/xmllite/xmlelement.h"
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#include "webrtc/libjingle/xmpp/constants.h"
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#include "webrtc/base/common.h"
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#ifdef EXPAT_RELATIVE_PATH
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#include "expat.h"
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#else
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#include "third_party/expat/v2_0_1/Source/lib/expat.h"
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#endif
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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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RTC_UNUSED(pctx);
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RTC_UNUSED(errCode);
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psph_->XmlError();
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}
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}
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