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| 1 /* | 1 /* |
| 2 * Copyright (C) 2014 Google Inc. All rights reserved. | 2 * Copyright (C) 2014 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #ifndef SharedBufferReader_h | 31 #ifndef SharedBufferReader_h |
| 32 #define SharedBufferReader_h | 32 #define SharedBufferReader_h |
| 33 | 33 |
| 34 #include "core/CoreExport.h" | 34 #include "core/CoreExport.h" |
| 35 #include "wtf/Allocator.h" | 35 #include "platform/wtf/Allocator.h" |
| 36 #include "wtf/Forward.h" | 36 #include "platform/wtf/Forward.h" |
| 37 #include "wtf/RefPtr.h" | 37 #include "platform/wtf/RefPtr.h" |
| 38 | 38 |
| 39 namespace blink { | 39 namespace blink { |
| 40 | 40 |
| 41 class SharedBuffer; | 41 class SharedBuffer; |
| 42 | 42 |
| 43 // Allows transfer of data in multiple chunks from a SharedBuffer to a provided | 43 // Allows transfer of data in multiple chunks from a SharedBuffer to a provided |
| 44 // buffer. | 44 // buffer. |
| 45 class CORE_EXPORT SharedBufferReader { | 45 class CORE_EXPORT SharedBufferReader { |
| 46 USING_FAST_MALLOC(SharedBufferReader); | 46 USING_FAST_MALLOC(SharedBufferReader); |
| 47 | 47 |
| 48 public: | 48 public: |
| 49 SharedBufferReader(PassRefPtr<const SharedBuffer>); | 49 SharedBufferReader(PassRefPtr<const SharedBuffer>); |
| 50 | 50 |
| 51 ~SharedBufferReader(); | 51 ~SharedBufferReader(); |
| 52 | 52 |
| 53 // Returns the number of bytes that were read (i.e. written to | 53 // Returns the number of bytes that were read (i.e. written to |
| 54 // |outputBuffer|). | 54 // |outputBuffer|). |
| 55 // TODO(junov): use size_t instead of int. Until then, readData uses safeCast | 55 // TODO(junov): use size_t instead of int. Until then, readData uses safeCast |
| 56 // internally. | 56 // internally. |
| 57 int ReadData(char* output_buffer, int asked_to_read); | 57 int ReadData(char* output_buffer, int asked_to_read); |
| 58 | 58 |
| 59 private: | 59 private: |
| 60 RefPtr<const SharedBuffer> buffer_; | 60 RefPtr<const SharedBuffer> buffer_; |
| 61 size_t current_offset_; | 61 size_t current_offset_; |
| 62 }; | 62 }; |
| 63 | 63 |
| 64 } // namespace blink | 64 } // namespace blink |
| 65 | 65 |
| 66 #endif // SharedBufferReader_h | 66 #endif // SharedBufferReader_h |
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