a09a99950e
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6891 4adac7df-926f-26a2-2b94-8c16560cd09d
148 lines
3.8 KiB
C++
148 lines
3.8 KiB
C++
/*
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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 "talk/xmllite/xmlbuilder.h"
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#include <set>
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#include <vector>
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#include "talk/xmllite/xmlconstants.h"
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#include "talk/xmllite/xmlelement.h"
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#include "webrtc/base/common.h"
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namespace buzz {
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XmlBuilder::XmlBuilder() :
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pelCurrent_(NULL),
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pelRoot_(),
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pvParents_(new std::vector<XmlElement *>()) {
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}
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void
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XmlBuilder::Reset() {
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pelRoot_.reset();
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pelCurrent_ = NULL;
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pvParents_->clear();
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}
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XmlElement *
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XmlBuilder::BuildElement(XmlParseContext * pctx,
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const char * name, const char ** atts) {
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QName tagName(pctx->ResolveQName(name, false));
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if (tagName.IsEmpty())
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return NULL;
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XmlElement * pelNew = new XmlElement(tagName);
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if (!*atts)
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return pelNew;
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std::set<QName> seenNonlocalAtts;
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while (*atts) {
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QName attName(pctx->ResolveQName(*atts, true));
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if (attName.IsEmpty()) {
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delete pelNew;
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return NULL;
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}
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// verify that namespaced names are unique
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if (!attName.Namespace().empty()) {
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if (seenNonlocalAtts.count(attName)) {
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delete pelNew;
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return NULL;
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}
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seenNonlocalAtts.insert(attName);
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}
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pelNew->AddAttr(attName, std::string(*(atts + 1)));
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atts += 2;
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}
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return pelNew;
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}
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void
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XmlBuilder::StartElement(XmlParseContext * pctx,
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const char * name, const char ** atts) {
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XmlElement * pelNew = BuildElement(pctx, name, atts);
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if (pelNew == NULL) {
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pctx->RaiseError(XML_ERROR_SYNTAX);
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return;
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}
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if (!pelCurrent_) {
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pelCurrent_ = pelNew;
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pelRoot_.reset(pelNew);
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pvParents_->push_back(NULL);
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} else {
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pelCurrent_->AddElement(pelNew);
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pvParents_->push_back(pelCurrent_);
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pelCurrent_ = pelNew;
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}
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}
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void
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XmlBuilder::EndElement(XmlParseContext * pctx, const char * name) {
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RTC_UNUSED(pctx);
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RTC_UNUSED(name);
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pelCurrent_ = pvParents_->back();
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pvParents_->pop_back();
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}
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void
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XmlBuilder::CharacterData(XmlParseContext * pctx,
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const char * text, int len) {
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RTC_UNUSED(pctx);
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if (pelCurrent_) {
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pelCurrent_->AddParsedText(text, len);
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}
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}
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void
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XmlBuilder::Error(XmlParseContext * pctx, XML_Error err) {
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RTC_UNUSED(pctx);
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RTC_UNUSED(err);
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pelRoot_.reset(NULL);
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pelCurrent_ = NULL;
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pvParents_->clear();
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}
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XmlElement *
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XmlBuilder::CreateElement() {
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return pelRoot_.release();
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}
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XmlElement *
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XmlBuilder::BuiltElement() {
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return pelRoot_.get();
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}
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XmlBuilder::~XmlBuilder() {
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}
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} // namespace buzz
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