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| 1 /* | |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "bindings/v8/V8HiddenPropertyName.h" | |
| 33 | |
| 34 #include "bindings/v8/V8Binding.h" | |
| 35 #include <string.h> | |
| 36 #include "wtf/StdLibExtras.h" | |
| 37 #include "wtf/Vector.h" | |
| 38 | |
| 39 namespace WebCore { | |
| 40 | |
| 41 #define V8_AS_STRING(x) V8_AS_STRING_IMPL(x) | |
| 42 #define V8_AS_STRING_IMPL(x) #x | |
| 43 | |
| 44 #define V8_HIDDEN_PROPERTY_PREFIX "WebCore::HiddenProperty::" | |
| 45 | |
| 46 #define V8_DEFINE_HIDDEN_PROPERTY(name) \ | |
| 47 v8::Handle<v8::String> V8HiddenPropertyName::name(v8::Isolate* isolate) \ | |
| 48 { \ | |
| 49 V8HiddenPropertyName* hiddenPropertyName = V8PerIsolateData::from(isolate)->
hiddenPropertyName(); \ | |
| 50 if (hiddenPropertyName->m_##name.IsEmpty()) { \ | |
| 51 createString(V8_HIDDEN_PROPERTY_PREFIX V8_AS_STRING(name), &(hiddenPrope
rtyName->m_##name), isolate); \ | |
| 52 } \ | |
| 53 return v8::Local<v8::String>::New(isolate, hiddenPropertyName->m_##name); \ | |
| 54 } | |
| 55 | |
| 56 V8_HIDDEN_PROPERTIES(V8_DEFINE_HIDDEN_PROPERTY); | |
| 57 | |
| 58 static v8::Handle<v8::String> hiddenReferenceName(const char* name, unsigned len
gth) | |
| 59 { | |
| 60 ASSERT(length); | |
| 61 Vector<char, 64> prefixedName; | |
| 62 prefixedName.append(V8_HIDDEN_PROPERTY_PREFIX, sizeof(V8_HIDDEN_PROPERTY_PRE
FIX) - 1); | |
| 63 prefixedName.append(name, length); | |
| 64 return v8AtomicString(v8::Isolate::GetCurrent(), prefixedName.data(), static
_cast<int>(prefixedName.size())); | |
| 65 } | |
| 66 | |
| 67 void V8HiddenPropertyName::setNamedHiddenReference(v8::Handle<v8::Object> parent
, const char* name, v8::Handle<v8::Value> child) | |
| 68 { | |
| 69 ASSERT(name); | |
| 70 parent->SetHiddenValue(hiddenReferenceName(name, strlen(name)), child); | |
| 71 } | |
| 72 | |
| 73 void V8HiddenPropertyName::createString(const char* key, v8::Persistent<v8::Stri
ng>* handle, v8::Isolate* isolate) | |
| 74 { | |
| 75 v8::HandleScope scope(isolate); | |
| 76 handle->Reset(isolate, v8AtomicString(isolate, key)); | |
| 77 } | |
| 78 | |
| 79 } // namespace WebCore | |
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