bindings/ScriptValue.h

   1 /*
   2  * Copyright (C) 2013 Apple Inc. All rights reserved.
   3  * Copyright (c) 2008, 2011 Google Inc. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef ScriptValue_h
  33 #define ScriptValue_h
  34
  35 #include "JSCJSValue.h"
  36 #include "Operations.h"
  37 #include "Strong.h"
  38 #include "StrongInlines.h"
  39 #include <wtf/PassRefPtr.h>
  40 #include <wtf/text/WTFString.h>
  41
  42 namespace Inspector {
  43 class InspectorValue;
  44 }
  45
  46 namespace Deprecated {
  47
  48 class JS_EXPORT_PRIVATE ScriptValue {
  49 public:
  50     ScriptValue() { }
  51     ScriptValue(JSC::VM& vm, JSC::JSValue value) : m_value(vm, value) { }
  52     virtual ~ScriptValue();
  53
  54     JSC::JSValue jsValue() const { return m_value.get(); }
  55     bool getString(JSC::ExecState*, String& result) const;
  56     String toString(JSC::ExecState*) const;
  57     bool isEqual(JSC::ExecState*, const ScriptValue&) const;
  58     bool isNull() const;
  59     bool isUndefined() const;
  60     bool isObject() const;
  61     bool isFunction() const;
  62     bool hasNoValue() const { return !m_value; }
  63
  64     void clear() { m_value.clear(); }
  65
  66     bool operator==(const ScriptValue& other) const { return m_value == other.m_value; }
  67
  68 #if ENABLE(INSPECTOR)
  69     PassRefPtr<Inspector::InspectorValue> toInspectorValue(JSC::ExecState*) const;
  70 #endif
  71
  72 private:
  73     JSC::Strong<JSC::Unknown> m_value;
  74 };
  75
  76 } // namespace Deprecated
  77
  78 #endif // ScriptValue_h