/*
 * Copyright (C) 2008 Apple 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. 
 */

#pragma once

#include "KURL.h"
#include <wtf/Hasher.h>
#include <wtf/HashFunctions.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

struct KURLHash {
	static unsigned hash(const KURL& key)
	{
		return key.string().impl()->hash();
	}

	static bool equal(const KURL& a, const KURL& b)
	{
		return StringHash::equal(a.string(), b.string());
	}

	static const bool safeToCompareToEmptyOrDeleted = false;
};

inline void add(Hasher& hasher, const KURL& url)
{
    add(hasher, url.string());
}

} // namespace WebCore

namespace WTF {

// KURLHash is the default hash for String
template<> struct DefaultHash<WebCore::KURL> {
	typedef WebCore::KURLHash Hash;
};

template<> struct HashTraits<WebCore::KURL> : SimpleClassHashTraits<WebCore::KURL> { };

} // namespace WTF

#include <wtf/HashMap.h>
#include <wtf/HashSet.h>

namespace WebCore {

WTF_EXPORT_PRIVATE void removeQueryParameters(KURL&, const HashSet<String>&);

} // namespace WebCore
