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
createWithContentsOfFile(const String & filePath)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