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/*
* Copyright (C) 2010 Company 100, 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.
*/
#include "config.h"
#include "SharedBuffer.h"
#include "FileSystem.h"
#include "ShellBrew.h"
#include <AEEAppGen.h>
#include <AEEFile.h>
#include <AEEStdLib.h>
#include <wtf/OwnPtr.h>
#include <wtf/text/CString.h>
namespace WebCore {
PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath)
{
if (filePath.isEmpty())
return 0;
long long fileSize;
if (!fileExists(filePath) || !getFileSize(filePath, fileSize))
return 0;
RefPtr<SharedBuffer> result = create();
result->m_buffer.grow(fileSize);
OwnPtr<IFileMgr> fileMgr = createInstance<IFileMgr>(AEECLSID_FILEMGR);
CString filename = fileSystemRepresentation(filePath);
OwnPtr<IFile> file(IFILEMGR_OpenFile(fileMgr.get(), filename.data(), _OFM_READ));
if (!file) {
LOG_ERROR("Failed to open file %s to create shared buffer, errno(%i)", filePath.ascii().data(), IFILEMGR_GetLastError(fileMgr.get()));
return 0;
}
size_t totalBytesRead = 0;
int32 bytesRead;
while ((bytesRead = IFILE_Read(file.get(), result->m_buffer.data() + totalBytesRead, fileSize - totalBytesRead)) > 0)
totalBytesRead += bytesRead;
result->m_size = totalBytesRead;
if (totalBytesRead != fileSize) {
LOG_ERROR("Failed to fully read contents of file %s - errno(%i)", filePath.ascii().data(), IFILEMGR_GetLastError(fileMgr.get()));
return 0;
}
return result.release();
}
} // namespace WebCore
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