[Author: kevinww]
[google-gears.git] / gears / blob / file_blob.cc
bloba63f38aa105361cbfcbd9d6fc1fc86433db99ae3
1 // Copyright 2008, Google Inc.
2 //
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are met:
5 //
6 // 1. Redistributions of source code must retain the above copyright notice,
7 // this list of conditions and the following disclaimer.
8 // 2. Redistributions in binary form must reproduce the above copyright notice,
9 // this list of conditions and the following disclaimer in the documentation
10 // and/or other materials provided with the distribution.
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12 // used to endorse or promote products derived from this software without
13 // specific prior written permission.
15 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
16 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
18 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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20 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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26 #include "gears/base/common/file.h"
27 #include "gears/blob/file_blob.h"
30 FileBlob::FileBlob(const char16 *filename)
31 : BlobInterface(),
32 filename_(filename) {
36 int FileBlob::Read(uint8* destination, int max_bytes, int64 offset) const {
37 return File::ReadFileSegmentToBuffer(
38 filename_.c_str(), destination, max_bytes, offset);
42 int64 FileBlob::Length() const {
43 return File::GetFileSize(filename_.c_str());