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      1 /*
      2  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
      3  * Copyright (C) 2009 Google Inc. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef HTTPHeaderMap_h
     28 #define HTTPHeaderMap_h
     29 
     30 #include "platform/PlatformExport.h"
     31 #include "wtf/HashMap.h"
     32 #include "wtf/PassOwnPtr.h"
     33 #include "wtf/Vector.h"
     34 #include "wtf/text/AtomicString.h"
     35 #include "wtf/text/AtomicStringHash.h"
     36 #include "wtf/text/StringHash.h"
     37 #include <utility>
     38 
     39 namespace WebCore {
     40 
     41 typedef Vector<std::pair<String, String> > CrossThreadHTTPHeaderMapData;
     42 
     43 // FIXME: Not every header fits into a map. Notably, multiple Set-Cookie header fields are needed to set multiple cookies.
     44 class PLATFORM_EXPORT HTTPHeaderMap : public HashMap<AtomicString, AtomicString, CaseFoldingHash> {
     45 public:
     46     HTTPHeaderMap();
     47     ~HTTPHeaderMap();
     48 
     49     // Gets a copy of the data suitable for passing to another thread.
     50     PassOwnPtr<CrossThreadHTTPHeaderMapData> copyData() const;
     51 
     52     void adopt(PassOwnPtr<CrossThreadHTTPHeaderMapData>);
     53 
     54     const AtomicString& get(const AtomicString& name) const;
     55 
     56     AddResult add(const AtomicString& name, const AtomicString& value);
     57 
     58     // Alternate accessors that are faster than converting the char* to AtomicString first.
     59     bool contains(const char*) const;
     60     const AtomicString& get(const char*) const;
     61     AddResult add(const char* name, const AtomicString& value);
     62 
     63 };
     64 
     65 } // namespace WebCore
     66 
     67 #endif // HTTPHeaderMap_h
     68