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1 /* | 1 /* |
2 * Copyright (C) 2004, 2008, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2008, 2009 Apple Inc. All rights reserved. |
3 * Copyright (C) 2008 Collabora Ltd. | 3 * Copyright (C) 2008 Collabora Ltd. |
4 * Copyright (C) 2011 Peter Varga (pvarga@webkit.org), University of Szeged | 4 * Copyright (C) 2011 Peter Varga (pvarga@webkit.org), University of Szeged |
5 * Copyright (C) 2013 Google Inc. All rights reserved. | 5 * Copyright (C) 2013 Google Inc. All rights reserved. |
6 * | 6 * |
7 * Redistribution and use in source and binary forms, with or without | 7 * Redistribution and use in source and binary forms, with or without |
8 * modification, are permitted provided that the following conditions | 8 * modification, are permitted provided that the following conditions |
9 * are met: | 9 * are met: |
10 * 1. Redistributions of source code must retain the above copyright | 10 * 1. Redistributions of source code must retain the above copyright |
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99 .ToLocal(&return_value)) | 99 .ToLocal(&return_value)) |
100 return -1; | 100 return -1; |
101 | 101 |
102 // RegExp#exec returns null if there's no match, otherwise it returns an | 102 // RegExp#exec returns null if there's no match, otherwise it returns an |
103 // Array of strings with the first being the whole match string and others | 103 // Array of strings with the first being the whole match string and others |
104 // being subgroups. The Array also has some random properties tacked on like | 104 // being subgroups. The Array also has some random properties tacked on like |
105 // "index" which is the offset of the match. | 105 // "index" which is the offset of the match. |
106 // | 106 // |
107 // https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Object
s/RegExp/exec | 107 // https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Object
s/RegExp/exec |
108 | 108 |
109 ASSERT(!return_value.IsEmpty()); | 109 DCHECK(!return_value.IsEmpty()); |
110 if (!return_value->IsArray()) | 110 if (!return_value->IsArray()) |
111 return -1; | 111 return -1; |
112 | 112 |
113 v8::Local<v8::Array> result = return_value.As<v8::Array>(); | 113 v8::Local<v8::Array> result = return_value.As<v8::Array>(); |
114 v8::Local<v8::Value> match_offset; | 114 v8::Local<v8::Value> match_offset; |
115 if (!result->Get(context, V8AtomicString(isolate, "index")) | 115 if (!result->Get(context, V8AtomicString(isolate, "index")) |
116 .ToLocal(&match_offset)) | 116 .ToLocal(&match_offset)) |
117 return -1; | 117 return -1; |
118 if (match_length) { | 118 if (match_length) { |
119 v8::Local<v8::Value> match; | 119 v8::Local<v8::Value> match; |
120 if (!result->Get(context, 0).ToLocal(&match)) | 120 if (!result->Get(context, 0).ToLocal(&match)) |
121 return -1; | 121 return -1; |
122 *match_length = match.As<v8::String>()->Length(); | 122 *match_length = match.As<v8::String>()->Length(); |
123 } | 123 } |
124 | 124 |
125 return match_offset.As<v8::Int32>()->Value() + start_from; | 125 return match_offset.As<v8::Int32>()->Value() + start_from; |
126 } | 126 } |
127 | 127 |
128 } // namespace blink | 128 } // namespace blink |
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