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 <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_ 90
