| /* |
| * Copyright (C) 2008, 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef ScriptValue_h |
| #define ScriptValue_h |
| |
| #include "PlatformString.h" |
| #include "ScriptState.h" |
| |
| #include <v8.h> |
| #include <wtf/PassRefPtr.h> |
| |
| #ifndef NDEBUG |
| #include "V8Proxy.h" // for register and unregister global handles. |
| #endif |
| |
| namespace WebCore { |
| |
| class InspectorValue; |
| class SerializedScriptValue; |
| |
| class ScriptValue { |
| public: |
| ScriptValue() {} |
| |
| ScriptValue(v8::Handle<v8::Value> value) |
| { |
| if (value.IsEmpty()) |
| return; |
| |
| m_value = v8::Persistent<v8::Value>::New(value); |
| #ifndef NDEBUG |
| V8GCController::registerGlobalHandle(SCRIPTVALUE, this, m_value); |
| #endif |
| } |
| |
| ScriptValue(const ScriptValue& value) |
| { |
| if (value.m_value.IsEmpty()) |
| return; |
| |
| m_value = v8::Persistent<v8::Value>::New(value.m_value); |
| #ifndef NDEBUG |
| V8GCController::registerGlobalHandle(SCRIPTVALUE, this, m_value); |
| #endif |
| } |
| |
| ScriptValue& operator=(const ScriptValue& value) |
| { |
| if (this == &value) |
| return *this; |
| |
| clear(); |
| |
| if (value.m_value.IsEmpty()) |
| return *this; |
| |
| m_value = v8::Persistent<v8::Value>::New(value.m_value); |
| #ifndef NDEBUG |
| V8GCController::registerGlobalHandle(SCRIPTVALUE, this, m_value); |
| #endif |
| |
| return *this; |
| } |
| |
| bool operator==(const ScriptValue value) const |
| { |
| return m_value == value.m_value; |
| } |
| |
| bool isEqual(ScriptState*, const ScriptValue& value) const |
| { |
| return m_value == value.m_value; |
| } |
| |
| bool isFunction() const |
| { |
| return m_value->IsFunction(); |
| } |
| |
| bool operator!=(const ScriptValue value) const |
| { |
| return !operator==(value); |
| } |
| |
| bool isNull() const |
| { |
| return m_value->IsNull(); |
| } |
| |
| bool isUndefined() const |
| { |
| return m_value->IsUndefined(); |
| } |
| |
| bool isObject() const |
| { |
| return m_value->IsObject(); |
| } |
| |
| bool hasNoValue() const |
| { |
| return m_value.IsEmpty(); |
| } |
| |
| PassRefPtr<SerializedScriptValue> serialize(ScriptState*); |
| static ScriptValue deserialize(ScriptState*, SerializedScriptValue*); |
| |
| static ScriptValue undefined() { return ScriptValue(v8::Undefined()); } |
| |
| void clear() |
| { |
| if (m_value.IsEmpty()) |
| return; |
| |
| #ifndef NDEBUG |
| V8GCController::unregisterGlobalHandle(this, m_value); |
| #endif |
| m_value.Dispose(); |
| m_value.Clear(); |
| } |
| |
| virtual ~ScriptValue() |
| { |
| clear(); |
| } |
| |
| v8::Handle<v8::Value> v8Value() const { return m_value; } |
| bool getString(ScriptState*, String& result) const { return getString(result); } |
| bool getString(String& result) const; |
| String toString(ScriptState*) const; |
| |
| PassRefPtr<InspectorValue> toInspectorValue(ScriptState*) const; |
| |
| private: |
| mutable v8::Persistent<v8::Value> m_value; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ScriptValue_h |