1 /* 2 * Copyright (C) 2010 Company 100, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "SharedBuffer.h" 28 29 #include "FileSystem.h" 30 #include "ShellBrew.h" 31 32 #include <AEEAppGen.h> 33 #include <AEEFile.h> 34 #include <AEEStdLib.h> 35 36 #include <wtf/OwnPtr.h> 37 #include <wtf/text/CString.h> 38 39 namespace WebCore { 40 41 PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath) 42 { 43 if (filePath.isEmpty()) 44 return 0; 45 46 long long fileSize; 47 if (!fileExists(filePath) || !getFileSize(filePath, fileSize)) 48 return 0; 49 50 RefPtr<SharedBuffer> result = create(); 51 result->m_buffer.grow(fileSize); 52 53 OwnPtr<IFileMgr> fileMgr = createInstance<IFileMgr>(AEECLSID_FILEMGR); 54 55 CString filename = fileSystemRepresentation(filePath); 56 OwnPtr<IFile> file(IFILEMGR_OpenFile(fileMgr.get(), filename.data(), _OFM_READ)); 57 58 if (!file) { 59 LOG_ERROR("Failed to open file %s to create shared buffer, errno(%i)", filePath.ascii().data(), IFILEMGR_GetLastError(fileMgr.get())); 60 return 0; 61 } 62 63 size_t totalBytesRead = 0; 64 int32 bytesRead; 65 while ((bytesRead = IFILE_Read(file.get(), result->m_buffer.data() + totalBytesRead, fileSize - totalBytesRead)) > 0) 66 totalBytesRead += bytesRead; 67 result->m_size = totalBytesRead; 68 69 if (totalBytesRead != fileSize) { 70 LOG_ERROR("Failed to fully read contents of file %s - errno(%i)", filePath.ascii().data(), IFILEMGR_GetLastError(fileMgr.get())); 71 return 0; 72 } 73 74 return result.release(); 75 } 76 77 } // namespace WebCore 78
