src/script/qscriptvalueimplfwd_p.h

   1 /****************************************************************************
   2 **
   3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
   4 ** Contact: Nokia Corporation (qt-info@nokia.com)
   5 **
   6 ** This file is part of the QtScript module of the Qt Toolkit.
   7 **
   8 ** $QT_BEGIN_LICENSE:LGPL$
   9 ** No Commercial Usage
  10 ** This file contains pre-release code and may not be distributed.
  11 ** You may use this file in accordance with the terms and conditions
  12 ** contained in the either Technology Preview License Agreement or the
  13 ** Beta Release License Agreement.
  14 **
  15 ** GNU Lesser General Public License Usage
  16 ** Alternatively, this file may be used under the terms of the GNU Lesser
  17 ** General Public License version 2.1 as published by the Free Software
  18 ** Foundation and appearing in the file LICENSE.LGPL included in the
  19 ** packaging of this file.  Please review the following information to
  20 ** ensure the GNU Lesser General Public License version 2.1 requirements
  21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  22 **
  23 ** In addition, as a special exception, Nokia gives you certain
  24 ** additional rights. These rights are described in the Nokia Qt LGPL
  25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
  26 ** package.
  27 **
  28 ** GNU General Public License Usage
  29 ** Alternatively, this file may be used under the terms of the GNU
  30 ** General Public License version 3.0 as published by the Free Software
  31 ** Foundation and appearing in the file LICENSE.GPL included in the
  32 ** packaging of this file.  Please review the following information to
  33 ** ensure the GNU General Public License version 3.0 requirements will be
  34 ** met: http://www.gnu.org/copyleft/gpl.html.
  35 **
  36 ** If you are unsure which license is appropriate for your use, please
  37 ** contact the sales department at http://www.qtsoftware.com/contact.
  38 ** $QT_END_LICENSE$
  39 **
  40 ****************************************************************************/
  41
  42 #ifndef QSCRIPTVALUEIMPLFWD_P_H
  43 #define QSCRIPTVALUEIMPLFWD_P_H
  44
  45 #include "qscriptglobals_p.h"
  46
  47 #ifndef QT_NO_SCRIPT
  48
  49 #include "qscriptvalue.h"
  50
  51 #include <QtCore/qstring.h>
  52 #include <QtCore/qlist.h>
  53
  54 QT_BEGIN_NAMESPACE
  55
  56 //
  57 //  W A R N I N G
  58 //  -------------
  59 //
  60 // This file is not part of the Qt API.  It exists purely as an
  61 // implementation detail.  This header file may change from version to
  62 // version without notice, or even be removed.
  63 //
  64 // We mean it.
  65 //
  66
  67 class QScriptValueImpl;
  68 typedef QList<QScriptValueImpl> QScriptValueImplList;
  69
  70 class QScriptClassInfo;
  71 class QScriptObject;
  72 class QScriptObjectData;
  73 class QScriptNameIdImpl;
  74 class QScriptFunction;
  75 class QScriptEnginePrivate;
  76
  77 namespace QScript
  78 {
  79     class Member;
  80 }
  81
  82 class QScriptValueImpl
  83 {
  84 public:
  85     enum TypeHint {
  86         NoTypeHint,
  87         NumberTypeHint,
  88         StringTypeHint
  89     };
  90
  91     inline QScriptValueImpl();
  92     inline QScriptValueImpl(QScriptValue::SpecialValue val);
  93     inline QScriptValueImpl(bool val);
  94     inline QScriptValueImpl(int val);
  95     inline QScriptValueImpl(uint val);
  96     inline QScriptValueImpl(qsreal val);
  97     inline QScriptValueImpl(QScriptEnginePrivate *engine, const QString &val);
  98     inline QScriptValueImpl(QScriptNameIdImpl *val);
  99
 100     inline QScript::Type type() const;
 101     inline QScriptEnginePrivate *engine() const;
 102     inline QScriptClassInfo *classInfo() const;
 103     inline void setClassInfo(QScriptClassInfo *cls);
 104     inline QScriptNameIdImpl *stringValue() const;
 105     inline QScriptObject *objectValue() const;
 106     inline void incr();
 107     inline void decr();
 108
 109     inline void invalidate();
 110     inline bool isValid() const;
 111     inline bool isBoolean() const;
 112     inline bool isNumber() const;
 113     inline bool isString() const;
 114     inline bool isFunction() const;
 115     inline bool isObject() const;
 116     inline bool isUndefined() const;
 117     inline bool isNull() const;
 118     inline bool isVariant() const;
 119     inline bool isQObject() const;
 120     inline bool isQMetaObject() const;
 121     inline bool isReference() const;
 122
 123     inline bool isError() const;
 124     inline bool isArray() const;
 125     inline bool isDate() const;
 126     inline bool isRegExp() const;
 127
 128     inline QString toString() const;
 129     inline qsreal toNumber() const;
 130     inline bool toBoolean() const;
 131     inline qsreal toInteger() const;
 132     inline qint32 toInt32() const;
 133     inline quint32 toUInt32() const;
 134     inline quint16 toUInt16() const;
 135     QVariant toVariant() const;
 136     inline QObject *toQObject() const;
 137     inline const QMetaObject *toQMetaObject() const;
 138     inline QDateTime toDateTime() const;
 139 #ifndef QT_NO_REGEXP
 140     inline QRegExp toRegExp() const;
 141 #endif
 142
 143     inline QVariant &variantValue() const;
 144     inline void setVariantValue(const QVariant &v);
 145
 146     bool instanceOf(const QScriptValueImpl &value) const;
 147     bool instanceOf_helper(const QScriptValueImpl &value) const;
 148
 149     bool implementsHasInstance() const;
 150     bool hasInstance(const QScriptValueImpl &value) const;
 151
 152     inline QScriptValueImpl prototype() const;
 153     inline void setPrototype(const QScriptValueImpl &prototype);
 154
 155     inline QScriptValueImpl property(QScriptNameIdImpl *nameId,
 156                                      const QScriptValue::ResolveFlags &mode = QScriptValue::ResolvePrototype) const;
 157     void setProperty(QScriptNameIdImpl *nameId, const QScriptValueImpl &value,
 158                      const QScriptValue::PropertyFlags &flags = QScriptValue::KeepExistingFlags);
 159
 160     inline QScriptValueImpl property(const QString &name,
 161                               const QScriptValue::ResolveFlags &mode = QScriptValue::ResolvePrototype) const;
 162     inline void setProperty(const QString &name, const QScriptValueImpl &value,
 163                      const QScriptValue::PropertyFlags &flags = QScriptValue::KeepExistingFlags);
 164
 165     inline QScriptValueImpl property(quint32 arrayIndex,
 166                               const QScriptValue::ResolveFlags &mode = QScriptValue::ResolvePrototype) const;
 167     inline void setProperty(quint32 arrayIndex, const QScriptValueImpl &value,
 168                      const QScriptValue::PropertyFlags &flags = QScriptValue::KeepExistingFlags);
 169
 170     inline QScriptValue::PropertyFlags propertyFlags(const QString &name,
 171                                                      const QScriptValue::ResolveFlags &mode = QScriptValue::ResolvePrototype) const;
 172     inline QScriptValue::PropertyFlags propertyFlags(QScriptNameIdImpl *nameId,
 173                                                      const QScriptValue::ResolveFlags &mode = QScriptValue::ResolvePrototype) const;
 174
 175     inline bool deleteProperty(QScriptNameIdImpl *nameId,
 176                                const QScriptValue::ResolveFlags &mode = QScriptValue::ResolveLocal);
 177
 178     inline QScriptValueImpl call(const QScriptValueImpl &thisObject = QScriptValueImpl(),
 179                                  const QScriptValueImplList &args = QScriptValueImplList());
 180     inline QScriptValueImpl call(const QScriptValueImpl &thisObject,
 181                                  const QScriptValueImpl &arguments);
 182     inline QScriptValueImpl construct(const QScriptValueImplList &args = QScriptValueImplList());
 183     inline QScriptValueImpl construct(const QScriptValueImpl &arguments);
 184
 185     inline void mark(int) const;
 186     bool isMarked(int) const;
 187
 188     inline QScriptValueImpl internalValue() const;
 189     inline void setInternalValue(const QScriptValueImpl &internalValue);
 190
 191     inline void setQObjectValue(QObject *object);
 192
 193     inline QScriptObjectData *objectData() const;
 194     inline void setObjectData(QScriptObjectData *data);
 195     void destroyObjectData();
 196
 197     inline void createMember(QScriptNameIdImpl *nameId,
 198                       QScript::Member *member, uint flags); // ### remove me
 199     inline int memberCount() const;
 200     inline void member(int index, QScript::Member *member) const;
 201
 202     inline bool resolve(QScriptNameIdImpl *nameId, QScript::Member *member,
 203                         QScriptValueImpl *object, QScriptValue::ResolveFlags mode,
 204                         QScript::AccessMode access) const;
 205     bool resolve_helper(QScriptNameIdImpl *nameId, QScript::Member *member,
 206                         QScriptValueImpl *object, QScriptValue::ResolveFlags mode,
 207                         QScript::AccessMode access) const;
 208     inline void get(const QScript::Member &member, QScriptValueImpl *out) const;
 209     inline void get_helper(const QScript::Member &member, QScriptValueImpl *out) const;
 210     inline void get(QScriptNameIdImpl *nameId, QScriptValueImpl *out);
 211     inline void put(const QScript::Member &member, const QScriptValueImpl &value);
 212     inline void removeMember(const QScript::Member &member);
 213
 214     inline QScriptValueImpl scope() const;
 215     inline void setScope(const QScriptValueImpl &scope);
 216
 217     inline QScriptFunction *toFunction() const;
 218
 219     bool detectedCycle() const;
 220
 221     QScript::Type m_type;
 222     union {
 223         bool m_bool_value;
 224         int m_int_value;
 225         qsreal m_number_value;
 226         void *m_ptr_value;
 227         QScriptObject *m_object_value;
 228         QScriptNameIdImpl *m_string_value;
 229         QString *m_lazy_string_value;
 230     };
 231 };
 232
 233 QT_END_NAMESPACE
 234
 235 #endif // QT_NO_SCRIPT
 236
 237 #endif // QSCRIPTVALUEIMPLFWD_P_H