Revert of Remove webrtc/libjingle/{xmllite,xmpp}

webrtc/libjingle/xmllite/qname.cc

Index: webrtc/libjingle/xmllite/qname.cc
diff --git a/webrtc/libjingle/xmllite/qname.cc b/webrtc/libjingle/xmllite/qname.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6abde32186050aed0f03f4c4f56a6d1d756857cd
--- /dev/null
+++ b/webrtc/libjingle/xmllite/qname.cc
@@ -0,0 +1,78 @@
+/*
+ *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/libjingle/xmllite/qname.h"
+
+namespace buzz {
+
+QName::QName() {
+}
+
+QName::QName(const QName& qname)
+    : namespace_(qname.namespace_),
+      local_part_(qname.local_part_) {
+}
+
+QName::QName(const StaticQName& const_value)
+    : namespace_(const_value.ns),
+      local_part_(const_value.local) {
+}
+
+QName::QName(const std::string& ns, const std::string& local)
+    : namespace_(ns),
+      local_part_(local) {
+}
+
+QName::QName(const std::string& merged_or_local) {
+  size_t i = merged_or_local.rfind(':');
+  if (i == std::string::npos) {
+    local_part_ = merged_or_local;
+  } else {
+    namespace_ = merged_or_local.substr(0, i);
+    local_part_ = merged_or_local.substr(i + 1);
+  }
+}
+
+QName::~QName() {
+}
+
+std::string QName::Merged() const {
+  if (namespace_[0] == '\0')
+    return local_part_;
+
+  std::string result;
+  result.reserve(namespace_.length() + 1 + local_part_.length());
+  result += namespace_;
+  result += ':';
+  result += local_part_;
+  return result;
+}
+
+bool QName::IsEmpty() const {
+  return namespace_.empty() && local_part_.empty();
+}
+
+int QName::Compare(const StaticQName& other) const {
+  int result = local_part_.compare(other.local);
+  if (result != 0)
+    return result;
+
+  return namespace_.compare(other.ns);
+}
+
+int QName::Compare(const QName& other) const {
+  int result = local_part_.compare(other.local_part_);
+  if (result != 0)
+    return result;
+
+  return namespace_.compare(other.namespace_);
+}
+
+}  // namespace buzz