1 /* 2 * Copyright (C) 2008, 2009, 2011 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/core/v8/ScriptValue.h" 33 34 #include "bindings/core/v8/ScriptState.h" 35 #include "bindings/core/v8/V8Binding.h" 36 #include "platform/JSONValues.h" 37 38 namespace blink { 39 40 v8::Handle<v8::Value> ScriptValue::v8Value() const 41 { 42 if (isEmpty()) 43 return v8::Handle<v8::Value>(); 44 45 ASSERT(isolate()->InContext()); 46 47 // This is a check to validate that you don't return a ScriptValue to a world different 48 // from the world that created the ScriptValue. 49 // Probably this could be: 50 // if (&m_scriptState->world() == &DOMWrapperWorld::current(isolate())) 51 // return v8::Handle<v8::Value>(); 52 // instead of triggering RELEASE_ASSERT. 53 RELEASE_ASSERT(&m_scriptState->world() == &DOMWrapperWorld::current(isolate())); 54 return m_value->newLocal(isolate()); 55 } 56 57 v8::Handle<v8::Value> ScriptValue::v8ValueUnsafe() const 58 { 59 if (isEmpty()) 60 return v8::Handle<v8::Value>(); 61 return m_value->newLocal(isolate()); 62 } 63 64 bool ScriptValue::toString(String& result) const 65 { 66 if (isEmpty()) 67 return false; 68 69 ScriptState::Scope scope(m_scriptState.get()); 70 v8::Handle<v8::Value> string = v8Value(); 71 if (string.IsEmpty() || !string->IsString()) 72 return false; 73 result = toCoreString(v8::Handle<v8::String>::Cast(string)); 74 return true; 75 } 76 77 PassRefPtr<JSONValue> ScriptValue::toJSONValue(ScriptState* scriptState) const 78 { 79 ASSERT(!scriptState->contextIsValid()); 80 ScriptState::Scope scope(scriptState); 81 return v8ToJSONValue(scriptState->isolate(), v8Value(), JSONValue::maxDepth); 82 } 83 84 } // namespace blink 85
