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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtScript module of the Qt Toolkit.

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    40 ****************************************************************************/

    41 

    42 #ifndef QSCRIPTVALUE_P_H

    43 #define QSCRIPTVALUE_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists purely as an

    50 // implementation detail.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include <QtCore/qobjectdefs.h>

    57 

    58 #include "wtf/Platform.h"

    59 #include "JSValue.h"

    60 

    61 QT_BEGIN_NAMESPACE

    62 

    63 class QString;

    64 class QScriptEnginePrivate;

    65 

    66 class QScriptValue;

    67 class QScriptValuePrivate

    68 {

    69     Q_DISABLE_COPY(QScriptValuePrivate)

    70 public:

    71     inline void* operator new(size_t, QScriptEnginePrivate*);

    72     inline void operator delete(void*);

    73 

    74     enum Type {

    75         JavaScriptCore,

    76         Number,

    77         String

    78     };

    79 

    80     inline QScriptValuePrivate(QScriptEnginePrivate*);

    81     inline ~QScriptValuePrivate();

    82 

    83     inline void initFrom(JSC::JSValue value);

    84     inline void initFrom(qsreal value);

    85     inline void initFrom(const QString &value);

    86 

    87     inline bool isJSC() const;

    88     inline bool isObject() const;

    89 

    90     QVariant &variantValue() const;

    91     void setVariantValue(const QVariant &value);

    92 

    93     static inline QScriptValuePrivate *get(const QScriptValue &q)

    94     {

    95         return q.d_ptr.data();

    96     }

    97 

    98     static inline QScriptValue toPublic(QScriptValuePrivate *d)

    99     {

   100         return QScriptValue(d);

   101     }

   102 

   103     static inline QScriptEnginePrivate *getEngine(const QScriptValue &q)

   104     {

   105         if (!q.d_ptr)

   106             return 0;

   107         return q.d_ptr->engine;

   108     }

   109 

   110     inline QScriptValue property(const JSC::Identifier &id, int resolveMode) const;

   111     QScriptValue propertyHelper(const JSC::Identifier &id, int resolveMode) const;

   112     inline QScriptValue property(quint32 index, int resolveMode) const;

   113     QScriptValue propertyHelper(quint32, int resolveMode) const;

   114     inline QScriptValue property(const QString &, int resolveMode) const;

   115     void setProperty(const JSC::Identifier &id, const QScriptValue &value,

   116                      const QScriptValue::PropertyFlags &flags);

   117     QScriptValue::PropertyFlags propertyFlags(

   118         const JSC::Identifier &id, const QScriptValue::ResolveFlags &mode) const;

   119 

   120     void detachFromEngine();

   121 

   122     qint64 objectId()

   123     {

   124         if ( (type == JavaScriptCore) && (engine) )

   125             return (qint64)jscValue.asCell();

   126         else

   127             return -1;

   128     }

   129 

   130     static inline void saveException(JSC::ExecState*, JSC::JSValue*);

   131     static inline void restoreException(JSC::ExecState*, JSC::JSValue);

   132 

   133     QScriptEnginePrivate *engine;

   134     Type type;

   135     JSC::JSValue jscValue;

   136     qsreal numberValue;

   137     QString stringValue;

   138 

   139     // linked list of engine's script values

   140     QScriptValuePrivate *prev;

   141     QScriptValuePrivate *next;

   142 

   143     QBasicAtomicInt ref;

   144 };

   145 

   146 inline QScriptValuePrivate::QScriptValuePrivate(QScriptEnginePrivate *e)

   147     : engine(e), prev(0), next(0)

   148 {

   149     ref = 0;

   150 }

   151 

   152 inline bool QScriptValuePrivate::isJSC() const

   153 {

   154     return (type == JavaScriptCore);

   155 }

   156 

   157 inline bool QScriptValuePrivate::isObject() const

   158 {

   159     return isJSC() && jscValue && jscValue.isObject();

   160 }

   161 

   162 // Rest of inline functions implemented in qscriptengine_p.h

   163 

   164 QT_END_NAMESPACE

   165 

   166 #endif