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author | Upstream <upstream-import@none> | 1970-01-12 13:46:40 +0000 |
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committer | Upstream <upstream-import@none> | 1970-01-12 13:46:40 +0000 |
commit | d8543bb6618c17b12da906afa77d216f58cf4058 (patch) | |
tree | c58dc05ed86825bd0ef8d305d58c8205106b540f /WebCore/platform/SharedBuffer.h | |
download | external_webkit-d8543bb6618c17b12da906afa77d216f58cf4058.zip external_webkit-d8543bb6618c17b12da906afa77d216f58cf4058.tar.gz external_webkit-d8543bb6618c17b12da906afa77d216f58cf4058.tar.bz2 |
external/webkit r30707
Diffstat (limited to 'WebCore/platform/SharedBuffer.h')
-rw-r--r-- | WebCore/platform/SharedBuffer.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/WebCore/platform/SharedBuffer.h b/WebCore/platform/SharedBuffer.h new file mode 100644 index 0000000..0ab7ef5 --- /dev/null +++ b/WebCore/platform/SharedBuffer.h @@ -0,0 +1,87 @@ +/* + * Copyright (C) 2006 Apple Computer, 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 COMPUTER, 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 COMPUTER, 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 SharedBuffer_h +#define SharedBuffer_h + +#include "PlatformString.h" +#include <wtf/RefCounted.h> +#include <wtf/Forward.h> +#include <wtf/Vector.h> + +#if PLATFORM(MAC) +#include <wtf/RetainPtr.h> + +#ifdef __OBJC__ +@class NSData; +#else +class NSData; +#endif + +#endif + +namespace WebCore { + +class SharedBuffer : public RefCounted<SharedBuffer> { +public: + SharedBuffer(); + SharedBuffer(const char*, int); + SharedBuffer(const unsigned char*, int); + + static PassRefPtr<SharedBuffer> createWithContentsOfFile(const String& filePath); + +#if PLATFORM(MAC) + NSData *createNSData(); + CFDataRef createCFData(); + static PassRefPtr<SharedBuffer> wrapNSData(NSData *data); +#endif + + const char* data() const; + unsigned size() const; + const Vector<char> &buffer() { return m_buffer; } + + bool isEmpty() const { return size() == 0; } + + void append(const char*, int); + void clear(); + const char* platformData() const; + unsigned platformDataSize() const; + + PassRefPtr<SharedBuffer> copy() const; + +private: + void clearPlatformData(); + void maybeTransferPlatformData(); + bool hasPlatformData() const; + + Vector<char> m_buffer; +#if PLATFORM(MAC) + SharedBuffer(NSData *nsdata); + RetainPtr<NSData> m_nsData; +#endif +}; + +} + +#endif |