Ben Murdoch | 85b7179 | 2012-04-11 18:30:58 +0100 | [diff] [blame^] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #ifndef V8_EXTENSIONS_EXPERIMENTAL_BREAK_ITERATOR_H_ |
| 29 | #define V8_EXTENSIONS_EXPERIMENTAL_BREAK_ITERATOR_H_ |
| 30 | |
| 31 | #include "include/v8.h" |
| 32 | |
| 33 | #include "unicode/uversion.h" |
| 34 | |
| 35 | namespace U_ICU_NAMESPACE { |
| 36 | class BreakIterator; |
| 37 | class UnicodeString; |
| 38 | } |
| 39 | |
| 40 | namespace v8 { |
| 41 | namespace internal { |
| 42 | |
| 43 | class BreakIterator { |
| 44 | public: |
| 45 | static v8::Handle<v8::Value> JSBreakIterator(const v8::Arguments& args); |
| 46 | |
| 47 | // Helper methods for various bindings. |
| 48 | |
| 49 | // Unpacks break iterator object from corresponding JavaScript object. |
| 50 | static icu::BreakIterator* UnpackBreakIterator(v8::Handle<v8::Object> obj); |
| 51 | |
| 52 | // Deletes the old value and sets the adopted text in |
| 53 | // corresponding JavaScript object. |
| 54 | static icu::UnicodeString* ResetAdoptedText(v8::Handle<v8::Object> obj, |
| 55 | v8::Handle<v8::Value> text_value); |
| 56 | |
| 57 | // Release memory we allocated for the BreakIterator once the JS object that |
| 58 | // holds the pointer gets garbage collected. |
| 59 | static void DeleteBreakIterator(v8::Persistent<v8::Value> object, |
| 60 | void* param); |
| 61 | |
| 62 | // Assigns new text to the iterator. |
| 63 | static v8::Handle<v8::Value> BreakIteratorAdoptText( |
| 64 | const v8::Arguments& args); |
| 65 | |
| 66 | // Moves iterator to the beginning of the string and returns new position. |
| 67 | static v8::Handle<v8::Value> BreakIteratorFirst(const v8::Arguments& args); |
| 68 | |
| 69 | // Moves iterator to the next position and returns it. |
| 70 | static v8::Handle<v8::Value> BreakIteratorNext(const v8::Arguments& args); |
| 71 | |
| 72 | // Returns current iterator's current position. |
| 73 | static v8::Handle<v8::Value> BreakIteratorCurrent( |
| 74 | const v8::Arguments& args); |
| 75 | |
| 76 | // Returns type of the item from current position. |
| 77 | // This call is only valid for word break iterators. Others just return 0. |
| 78 | static v8::Handle<v8::Value> BreakIteratorBreakType( |
| 79 | const v8::Arguments& args); |
| 80 | |
| 81 | private: |
| 82 | BreakIterator() {} |
| 83 | |
| 84 | static v8::Persistent<v8::FunctionTemplate> break_iterator_template_; |
| 85 | }; |
| 86 | |
| 87 | } } // namespace v8::internal |
| 88 | |
| 89 | #endif // V8_EXTENSIONS_EXPERIMENTAL_BREAK_ITERATOR_H_ |