| /* |
| * 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 "bindings/core/v8/ScriptState.h" |
| #include "bindings/core/v8/SharedPersistent.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/text/WTFString.h" |
| #include <v8.h> |
| |
| namespace blink { |
| |
| class JSONValue; |
| |
| class ScriptValue final { |
| public: |
| ScriptValue() { } |
| |
| ScriptValue(ScriptState* scriptState, v8::Handle<v8::Value> value) |
| : m_scriptState(scriptState) |
| , m_value(value.IsEmpty() ? nullptr : SharedPersistent<v8::Value>::create(value, scriptState->isolate())) |
| { |
| ASSERT(isEmpty() || m_scriptState); |
| } |
| |
| ScriptValue(const ScriptValue& value) |
| : m_scriptState(value.m_scriptState) |
| , m_value(value.m_value) |
| { |
| ASSERT(isEmpty() || m_scriptState); |
| } |
| |
| ScriptState* scriptState() const |
| { |
| return m_scriptState.get(); |
| } |
| |
| v8::Isolate* isolate() const |
| { |
| return m_scriptState ? m_scriptState->isolate() : v8::Isolate::GetCurrent(); |
| } |
| |
| ScriptValue& operator=(const ScriptValue& value) |
| { |
| if (this != &value) { |
| m_scriptState = value.m_scriptState; |
| m_value = value.m_value; |
| } |
| return *this; |
| } |
| |
| bool operator==(const ScriptValue& value) const |
| { |
| if (isEmpty()) |
| return value.isEmpty(); |
| if (value.isEmpty()) |
| return false; |
| return *m_value == *value.m_value; |
| } |
| |
| bool operator!=(const ScriptValue& value) const |
| { |
| return !operator==(value); |
| } |
| |
| // This creates a new local Handle; Don't use this in performance-sensitive places. |
| bool isFunction() const |
| { |
| ASSERT(!isEmpty()); |
| v8::Handle<v8::Value> value = v8Value(); |
| return !value.IsEmpty() && value->IsFunction(); |
| } |
| |
| // This creates a new local Handle; Don't use this in performance-sensitive places. |
| bool isNull() const |
| { |
| ASSERT(!isEmpty()); |
| v8::Handle<v8::Value> value = v8Value(); |
| return !value.IsEmpty() && value->IsNull(); |
| } |
| |
| // This creates a new local Handle; Don't use this in performance-sensitive places. |
| bool isUndefined() const |
| { |
| ASSERT(!isEmpty()); |
| v8::Handle<v8::Value> value = v8Value(); |
| return !value.IsEmpty() && value->IsUndefined(); |
| } |
| |
| // This creates a new local Handle; Don't use this in performance-sensitive places. |
| bool isObject() const |
| { |
| ASSERT(!isEmpty()); |
| v8::Handle<v8::Value> value = v8Value(); |
| return !value.IsEmpty() && value->IsObject(); |
| } |
| |
| bool isEmpty() const |
| { |
| return !m_value.get() || m_value->isEmpty(); |
| } |
| |
| void clear() |
| { |
| m_value = nullptr; |
| } |
| |
| v8::Handle<v8::Value> v8Value() const; |
| v8::Handle<v8::Value> v8ValueUnsafe() const; |
| |
| bool toString(String&) const; |
| PassRefPtr<JSONValue> toJSONValue(ScriptState*) const; |
| |
| private: |
| RefPtr<ScriptState> m_scriptState; |
| RefPtr<SharedPersistent<v8::Value> > m_value; |
| }; |
| |
| } // namespace blink |
| |
| #endif // ScriptValue_h |