1db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block/* 22fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * Copyright (C) 2011 Apple Inc. All rights reserved. 3db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * 4db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * Redistribution and use in source and binary forms, with or without 5db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * modification, are permitted provided that the following conditions 6db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * are met: 7db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * 1. Redistributions of source code must retain the above copyright 8db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * notice, this list of conditions and the following disclaimer. 9db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * 2. Redistributions in binary form must reproduce the above copyright 10db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * notice, this list of conditions and the following disclaimer in the 11db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * documentation and/or other materials provided with the distribution. 12db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * 13db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * THE POSSIBILITY OF SUCH DAMAGE. 24db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block */ 25db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block 262fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#include <wtf/HashMap.h> 272fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#include <wtf/PassOwnPtr.h> 28dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch 292fc2651226baac27029e38c9d6ef883fa32084dbSteve Blocknamespace JSC { 3065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 312fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockclass SourceProviderCacheItem; 3265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 332fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockclass SourceProviderCache { 342fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockpublic: 352fc2651226baac27029e38c9d6ef883fa32084dbSteve Block SourceProviderCache() : m_contentByteSize(0) {} 362fc2651226baac27029e38c9d6ef883fa32084dbSteve Block ~SourceProviderCache(); 3765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 382fc2651226baac27029e38c9d6ef883fa32084dbSteve Block void clear(); 392fc2651226baac27029e38c9d6ef883fa32084dbSteve Block unsigned byteSize() const; 402fc2651226baac27029e38c9d6ef883fa32084dbSteve Block void add(int sourcePosition, PassOwnPtr<SourceProviderCacheItem>, unsigned size); 412fc2651226baac27029e38c9d6ef883fa32084dbSteve Block const SourceProviderCacheItem* get(int sourcePosition) const { return m_map.get(sourcePosition); } 422fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 432fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockprivate: 442fc2651226baac27029e38c9d6ef883fa32084dbSteve Block HashMap<int, SourceProviderCacheItem*> m_map; 452fc2651226baac27029e38c9d6ef883fa32084dbSteve Block unsigned m_contentByteSize; 462fc2651226baac27029e38c9d6ef883fa32084dbSteve Block}; 47db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block 482fc2651226baac27029e38c9d6ef883fa32084dbSteve Block} 49