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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkBitmap.h" | 8 #include "SkBitmap.h" |
9 #include "SkErrorInternals.h" | 9 #include "SkErrorInternals.h" |
10 #include "SkValidatingReadBuffer.h" | 10 #include "SkValidatingReadBuffer.h" |
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22 | 22 |
23 bool SkValidatingReadBuffer::validate(bool isValid) { | 23 bool SkValidatingReadBuffer::validate(bool isValid) { |
24 if (!fError && !isValid) { | 24 if (!fError && !isValid) { |
25 // When an error is found, send the read cursor to the end of the stream | 25 // When an error is found, send the read cursor to the end of the stream |
26 fReader.skip(fReader.available()); | 26 fReader.skip(fReader.available()); |
27 fError = true; | 27 fError = true; |
28 } | 28 } |
29 return !fError; | 29 return !fError; |
30 } | 30 } |
31 | 31 |
| 32 bool SkValidatingReadBuffer::isValid() const { |
| 33 return !fError; |
| 34 } |
| 35 |
32 void SkValidatingReadBuffer::setMemory(const void* data, size_t size) { | 36 void SkValidatingReadBuffer::setMemory(const void* data, size_t size) { |
33 this->validate(IsPtrAlign4(data) && (SkAlign4(size) == size)); | 37 this->validate(IsPtrAlign4(data) && (SkAlign4(size) == size)); |
34 if (!fError) { | 38 if (!fError) { |
35 fReader.setMemory(data, size); | 39 fReader.setMemory(data, size); |
36 } | 40 } |
37 } | 41 } |
38 | 42 |
39 const void* SkValidatingReadBuffer::skip(size_t size) { | 43 const void* SkValidatingReadBuffer::skip(size_t size) { |
40 size_t inc = SkAlign4(size); | 44 size_t inc = SkAlign4(size); |
41 const void* addr = fReader.peek(); | 45 const void* addr = fReader.peek(); |
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258 delete obj; | 262 delete obj; |
259 obj = NULL; | 263 obj = NULL; |
260 } | 264 } |
261 } else { | 265 } else { |
262 // we must skip the remaining data | 266 // we must skip the remaining data |
263 this->skip(sizeRecorded); | 267 this->skip(sizeRecorded); |
264 SkASSERT(false); | 268 SkASSERT(false); |
265 } | 269 } |
266 return obj; | 270 return obj; |
267 } | 271 } |
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