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-rw-r--r--third_party/libjingle/source/talk/xmllite/xmlbuilder.cc152
1 files changed, 152 insertions, 0 deletions
diff --git a/third_party/libjingle/source/talk/xmllite/xmlbuilder.cc b/third_party/libjingle/source/talk/xmllite/xmlbuilder.cc
new file mode 100644
index 0000000..b02dfe0
--- /dev/null
+++ b/third_party/libjingle/source/talk/xmllite/xmlbuilder.cc
@@ -0,0 +1,152 @@
+/*
+ * 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 <vector>
+#include <set>
+#include "talk/base/common.h"
+#include "talk/xmllite/xmlelement.h"
+#include "talk/xmllite/xmlbuilder.h"
+#ifdef EXPAT_RELATIVE_PATH
+#include "lib/expat.h"
+#else
+#include "third_party/expat/v2_0_1/Source/lib/expat.h"
+#endif // EXPAT_RELATIVE_PATH
+
+namespace buzz {
+
+XmlBuilder::XmlBuilder() :
+ pelCurrent_(NULL),
+ pelRoot_(NULL),
+ pvParents_(new std::vector<XmlElement *>()) {
+}
+
+void
+XmlBuilder::Reset() {
+ pelRoot_.reset();
+ pelCurrent_ = NULL;
+ pvParents_->clear();
+}
+
+XmlElement *
+XmlBuilder::BuildElement(XmlParseContext * pctx,
+ const char * name, const char ** atts) {
+ QName tagName(pctx->ResolveQName(name, false));
+ if (tagName == QN_EMPTY)
+ return NULL;
+
+ XmlElement * pelNew = new XmlElement(tagName);
+
+ if (!*atts)
+ return pelNew;
+
+ std::set<QName> seenNonlocalAtts;
+
+ while (*atts) {
+ QName attName(pctx->ResolveQName(*atts, true));
+ if (attName == QN_EMPTY) {
+ delete pelNew;
+ return NULL;
+ }
+
+ // verify that namespaced names are unique
+ if (!attName.Namespace().empty()) {
+ if (seenNonlocalAtts.count(attName)) {
+ delete pelNew;
+ return NULL;
+ }
+ seenNonlocalAtts.insert(attName);
+ }
+
+ pelNew->AddAttr(attName, std::string(*(atts + 1)));
+ atts += 2;
+ }
+
+ return pelNew;
+}
+
+void
+XmlBuilder::StartElement(XmlParseContext * pctx,
+ const char * name, const char ** atts) {
+ XmlElement * pelNew = BuildElement(pctx, name, atts);
+ if (pelNew == NULL) {
+ pctx->RaiseError(XML_ERROR_SYNTAX);
+ return;
+ }
+
+ if (!pelCurrent_) {
+ pelCurrent_ = pelNew;
+ pelRoot_.reset(pelNew);
+ pvParents_->push_back(NULL);
+ } else {
+ pelCurrent_->AddElement(pelNew);
+ pvParents_->push_back(pelCurrent_);
+ pelCurrent_ = pelNew;
+ }
+}
+
+void
+XmlBuilder::EndElement(XmlParseContext * pctx, const char * name) {
+ UNUSED(pctx);
+ UNUSED(name);
+ pelCurrent_ = pvParents_->back();
+ pvParents_->pop_back();
+}
+
+void
+XmlBuilder::CharacterData(XmlParseContext * pctx,
+ const char * text, int len) {
+ UNUSED(pctx);
+ if (pelCurrent_) {
+ pelCurrent_->AddParsedText(text, len);
+ }
+}
+
+void
+XmlBuilder::Error(XmlParseContext * pctx, XML_Error err) {
+ UNUSED(pctx);
+ UNUSED(err);
+ pelRoot_.reset(NULL);
+ pelCurrent_ = NULL;
+ pvParents_->clear();
+}
+
+XmlElement *
+XmlBuilder::CreateElement() {
+ return pelRoot_.release();
+}
+
+XmlElement *
+XmlBuilder::BuiltElement() {
+ return pelRoot_.get();
+}
+
+XmlBuilder::~XmlBuilder() {
+}
+
+
+
+}