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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 |
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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/FastAllocBase.h" | 35 #include "wtf/Allocator.h" |
36 #include "wtf/Forward.h" | 36 #include "wtf/Forward.h" |
37 #include "wtf/RefPtr.h" | 37 #include "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
buffer. | 43 // Allows transfer of data in multiple chunks from a SharedBuffer to a provided
buffer. |
44 class CORE_EXPORT SharedBufferReader { | 44 class CORE_EXPORT SharedBufferReader { |
45 WTF_MAKE_FAST_ALLOCATED(SharedBufferReader); | 45 WTF_MAKE_FAST_ALLOCATED(SharedBufferReader); |
46 public: | 46 public: |
47 SharedBufferReader(PassRefPtr<SharedBuffer>); | 47 SharedBufferReader(PassRefPtr<SharedBuffer>); |
48 | 48 |
49 ~SharedBufferReader(); | 49 ~SharedBufferReader(); |
50 | 50 |
51 // Returns the number of bytes that were read (i.e. written to |outputBuffer
|). | 51 // Returns the number of bytes that were read (i.e. written to |outputBuffer
|). |
52 int readData(char* outputBuffer, unsigned askedToRead); | 52 int readData(char* outputBuffer, unsigned askedToRead); |
53 | 53 |
54 private: | 54 private: |
55 RefPtr<SharedBuffer> m_buffer; | 55 RefPtr<SharedBuffer> m_buffer; |
56 unsigned m_currentOffset; | 56 unsigned m_currentOffset; |
57 }; | 57 }; |
58 | 58 |
59 } // namespace blink | 59 } // namespace blink |
60 | 60 |
61 #endif // SharedBufferReader_h | 61 #endif // SharedBufferReader_h |
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