Initial commit of sync engine code to browser/sync....

chrome/browser/sync/notifier/communicator/xml_parse_helpers.h

+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_SYNC_NOTIFIER_COMMUNICATOR_XML_PARSE_HELPERS_H_
+#define CHROME_BROWSER_SYNC_NOTIFIER_COMMUNICATOR_XML_PARSE_HELPERS_H_
+
+#include <string>
+
+#include "talk/base/basictypes.h"
+#include "talk/base/scoped_ptr.h"
+#include "talk/base/stream.h"
+
+namespace buzz {
+class XmlBuilder;
+class XmlElement;
+class XmlParser;
+class QName;
+}
+
+namespace notifier {
+buzz::XmlElement* ReadXmlFromStream(talk_base::StreamInterface* stream);
+bool ParseInt64Attr(const buzz::XmlElement* element,
+                    const buzz::QName& attribute, int64* result);
+bool ParseIntAttr(const buzz::XmlElement* element,
+                  const buzz::QName& attribute, int* result);
+bool ParseBoolAttr(const buzz::XmlElement* element,
+                   const buzz::QName& attribute, bool* result);
+bool ParseStringAttr(const buzz::XmlElement* element,
+                     const buzz::QName& attribute, std::string* result);
+
+void WriteXmlToStream(talk_base::StreamInterface* stream,
+                      const buzz::XmlElement* xml);
+bool SetInt64Attr(buzz::XmlElement* element, const buzz::QName& attribute,
+                  int64 result);
+bool SetIntAttr(buzz::XmlElement* element, const buzz::QName& attribute,
+                int result);
+bool SetBoolAttr(buzz::XmlElement* element, const buzz::QName& attribute,
+                 bool result);
+bool SetStringAttr(buzz::XmlElement* element, const buzz::QName& attribute,
+                   const std::string& result);
+
+template<class T>
+void SetAttr(buzz::XmlElement* xml, const buzz::QName& name, const T& data);
+
+///////////////////////////////////////////////////////////////////////////////
+// XmlStream
+///////////////////////////////////////////////////////////////////////////////
+
+class XmlStream : public talk_base::StreamInterface {
+ public:
+  XmlStream();
+  virtual ~XmlStream();
+
+  buzz::XmlElement* CreateElement();
+
+  virtual talk_base::StreamState GetState() const { return state_; }
+
+  virtual talk_base::StreamResult Read(void* buffer, size_t buffer_len,
+                                       size_t* read, int* error);
+  virtual talk_base::StreamResult Write(const void* data, size_t data_len,
+                                        size_t* written, int* error);
+  virtual void Close();
+
+ private:
+  talk_base::StreamState state_;
+  scoped_ptr<buzz::XmlBuilder> builder_;
+  scoped_ptr<buzz::XmlParser> parser_;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+}  // namespace buzz
+
+#endif  // CHROME_BROWSER_SYNC_NOTIFIER_COMMUNICATOR_XML_PARSE_HELPERS_H_