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/*
* Copyright (C) 2006 Apple Inc. All rights reserved.
* Copyright (C) 2009 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:
* 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. OR
* CONTRIBUTORS 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.
*/
#ifndef HTTPHeaderMap_h
#define HTTPHeaderMap_h
#include <utility>
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
#include <wtf/text/AtomicString.h>
#include <wtf/text/AtomicStringHash.h>
#include <wtf/text/StringHash.h>
namespace WebCore {
enum class HTTPHeaderName;
typedef Vector<std::pair<String, String>> CrossThreadHTTPHeaderMapData;
// FIXME: Not every header fits into a map. Notably, multiple Set-Cookie header fields are needed to set multiple cookies.
class HTTPHeaderMap {
typedef HashMap<String, String, CaseFoldingHash> HashMapType;
public:
typedef HashMapType::const_iterator const_iterator;
WEBCORE_EXPORT HTTPHeaderMap();
WEBCORE_EXPORT ~HTTPHeaderMap();
// Gets a copy of the data suitable for passing to another thread.
std::unique_ptr<CrossThreadHTTPHeaderMapData> copyData() const;
void adopt(std::unique_ptr<CrossThreadHTTPHeaderMapData>);
bool isEmpty() const { return m_headers.isEmpty(); }
int size() const { return m_headers.size(); }
void clear() { m_headers.clear(); }
WEBCORE_EXPORT String get(const String& name) const;
WEBCORE_EXPORT void set(const String& name, const String& value);
void add(const String& name, const String& value);
WEBCORE_EXPORT String get(HTTPHeaderName) const;
void set(HTTPHeaderName, const String& value);
bool contains(HTTPHeaderName) const;
const_iterator find(HTTPHeaderName) const;
WEBCORE_EXPORT bool remove(HTTPHeaderName);
// Instead of passing a string literal to any of these functions, just use a HTTPHeaderName instead.
template<size_t length> String get(const char (&)[length]) const = delete;
template<size_t length> void set(const char (&)[length], const String&) = delete;
template<size_t length> bool contains(const char (&)[length]) = delete;
template<size_t length> const_iterator find(const char(&)[length]) = delete;
template<size_t length> bool remove(const char (&)[length]) = delete;
const_iterator begin() const { return m_headers.begin(); }
const_iterator end() const { return m_headers.end(); }
friend bool operator==(const HTTPHeaderMap& a, const HTTPHeaderMap& b)
{
return a.m_headers == b.m_headers;
}
friend bool operator!=(const HTTPHeaderMap& a, const HTTPHeaderMap& b)
{
return !(a == b);
}
private:
// FIXME: Instead of having a HashMap<String, String>, we could have two hash maps,
// one HashMap<HTTPHeaderName, String> for common headers and another HashMap<String, String> for
// less common headers.
HashMapType m_headers;
};
} // namespace WebCore
#endif // HTTPHeaderMap_h
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