1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* Copyright (C) 2010 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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"
#if ENABLE(BLOB)
#include "FileReaderSync.h"
#include "ArrayBuffer.h"
#include "Blob.h"
#include "BlobURL.h"
#include "FileException.h"
#include "FileReaderLoader.h"
#include <wtf/PassRefPtr.h>
namespace WebCore {
FileReaderSync::FileReaderSync()
{
}
PassRefPtr<ArrayBuffer> FileReaderSync::readAsArrayBuffer(ScriptExecutionContext* scriptExecutionContext, Blob* blob, ExceptionCode& ec)
{
if (!blob)
return 0;
FileReaderLoader loader(FileReaderLoader::ReadAsArrayBuffer, 0);
startLoading(scriptExecutionContext, loader, blob, ec);
return loader.arrayBufferResult();
}
String FileReaderSync::readAsBinaryString(ScriptExecutionContext* scriptExecutionContext, Blob* blob, ExceptionCode& ec)
{
if (!blob)
return String();
FileReaderLoader loader(FileReaderLoader::ReadAsBinaryString, 0);
startLoading(scriptExecutionContext, loader, blob, ec);
return loader.stringResult();
}
String FileReaderSync::readAsText(ScriptExecutionContext* scriptExecutionContext, Blob* blob, const String& encoding, ExceptionCode& ec)
{
if (!blob)
return String();
FileReaderLoader loader(FileReaderLoader::ReadAsText, 0);
loader.setEncoding(encoding);
startLoading(scriptExecutionContext, loader, blob, ec);
return loader.stringResult();
}
String FileReaderSync::readAsDataURL(ScriptExecutionContext* scriptExecutionContext, Blob* blob, ExceptionCode& ec)
{
if (!blob)
return String();
FileReaderLoader loader(FileReaderLoader::ReadAsDataURL, 0);
loader.setDataType(blob->type());
startLoading(scriptExecutionContext, loader, blob, ec);
return loader.stringResult();
}
void FileReaderSync::startLoading(ScriptExecutionContext* scriptExecutionContext, FileReaderLoader& loader, Blob* blob, ExceptionCode& ec)
{
loader.start(scriptExecutionContext, blob);
ec = FileException::ErrorCodeToExceptionCode(loader.errorCode());
}
} // namespace WebCore
#endif // ENABLE(BLOB)
|
