/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebSocketExtensionDispatcher_h
#define WebSocketExtensionDispatcher_h
#include "modules/websockets/WebSocketExtensionProcessor.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/Vector.h"
#include "wtf/text/StringBuilder.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class WebSocketExtensionDispatcher {
public:
WebSocketExtensionDispatcher() { }
void reset();
void addProcessor(PassOwnPtr<WebSocketExtensionProcessor>);
const String createHeaderValue() const;
bool processHeaderValue(const String&);
String acceptedExtensions() const;
String failureReason() const;
private:
void appendAcceptedExtension(const String& extensionToken, HashMap<String, String>& extensionParameters);
void fail(const String& reason);
Vector<OwnPtr<WebSocketExtensionProcessor> > m_processors;
mutable StringBuilder m_acceptedExtensionsBuilder;
String m_failureReason;
};
}
#endif // WebSocketExtensionDispatcher_h