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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 } | |
38 | |
39 namespace v8 { | |
40 namespace internal { | |
41 | |
42 class BreakIterator { | |
43 public: | |
44 static v8::Handle<v8::Value> JSBreakIterator(const v8::Arguments& args); | |
45 | |
46 // Helper methods for various bindings. | |
47 | |
48 // Unpacks break iterator object from corresponding JavaScript object. | |
49 static icu::BreakIterator* UnpackBreakIterator(v8::Handle<v8::Object> obj); | |
50 | |
51 // Release memory we allocated for the BreakIterator once the JS object that | |
52 // holds the pointer gets garbage collected. | |
53 static void DeleteBreakIterator(v8::Persistent<v8::Value> object, | |
54 void* param); | |
55 | |
56 // Assigns new text to the iterator. | |
57 static v8::Handle<v8::Value> BreakIteratorAdoptText( | |
58 const v8::Arguments& args); | |
59 | |
60 // Moves iterator to the beginning of the string and returns new position. | |
61 static v8::Handle<v8::Value> BreakIteratorFirst(const v8::Arguments& args); | |
62 | |
63 // Moves iterator to the next position and returns it. | |
64 static v8::Handle<v8::Value> BreakIteratorNext(const v8::Arguments& args); | |
65 | |
66 // Returns current iterator's current position. | |
67 static v8::Handle<v8::Value> BreakIteratorCurrent( | |
68 const v8::Arguments& args); | |
69 | |
70 // Returns type of the item from current position. | |
71 // This call is only valid for word break iterators. Others just return 0. | |
72 static v8::Handle<v8::Value> BreakIteratorBreakType( | |
73 const v8::Arguments& args); | |
74 | |
75 private: | |
76 BreakIterator() {} | |
77 | |
78 static v8::Persistent<v8::FunctionTemplate> break_iterator_template_; | |
79 }; | |
80 | |
81 } } // namespace v8::internal | |
82 | |
83 #endif // V8_EXTENSIONS_EXPERIMENTAL_BREAK_ITERATOR_H_ | |
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