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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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65 GenericStringUtf16CharacterStream(Handle<String> data, | 65 GenericStringUtf16CharacterStream(Handle<String> data, |
66 unsigned start_position, | 66 unsigned start_position, |
67 unsigned end_position); | 67 unsigned end_position); |
68 virtual ~GenericStringUtf16CharacterStream(); | 68 virtual ~GenericStringUtf16CharacterStream(); |
69 | 69 |
70 protected: | 70 protected: |
71 virtual unsigned BufferSeekForward(unsigned delta); | 71 virtual unsigned BufferSeekForward(unsigned delta); |
72 virtual unsigned FillBuffer(unsigned position, unsigned length); | 72 virtual unsigned FillBuffer(unsigned position, unsigned length); |
73 | 73 |
74 Handle<String> string_; | 74 Handle<String> string_; |
75 unsigned start_position_; | |
76 unsigned length_; | 75 unsigned length_; |
77 }; | 76 }; |
78 | 77 |
79 | 78 |
80 // Utf16 stream based on a literal UTF-8 string. | 79 // Utf16 stream based on a literal UTF-8 string. |
81 class Utf8ToUtf16CharacterStream: public BufferedUtf16CharacterStream { | 80 class Utf8ToUtf16CharacterStream: public BufferedUtf16CharacterStream { |
82 public: | 81 public: |
83 Utf8ToUtf16CharacterStream(const byte* data, unsigned length); | 82 Utf8ToUtf16CharacterStream(const byte* data, unsigned length); |
84 virtual ~Utf8ToUtf16CharacterStream(); | 83 virtual ~Utf8ToUtf16CharacterStream(); |
85 | 84 |
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120 // Entire string is read at start. | 119 // Entire string is read at start. |
121 return false; | 120 return false; |
122 } | 121 } |
123 Handle<ExternalTwoByteString> source_; | 122 Handle<ExternalTwoByteString> source_; |
124 const uc16* raw_data_; // Pointer to the actual array of characters. | 123 const uc16* raw_data_; // Pointer to the actual array of characters. |
125 }; | 124 }; |
126 | 125 |
127 } } // namespace v8::internal | 126 } } // namespace v8::internal |
128 | 127 |
129 #endif // V8_SCANNER_CHARACTER_STREAMS_H_ | 128 #endif // V8_SCANNER_CHARACTER_STREAMS_H_ |
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