qt/api/qscriptengine_p.h

   1 /*
   2     Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
   3
   4     This library is free software; you can redistribute it and/or
   5     modify it under the terms of the GNU Library General Public
   6     License as published by the Free Software Foundation; either
   7     version 2 of the License, or (at your option) any later version.
   8
   9     This library is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12     Library General Public License for more details.
  13
  14     You should have received a copy of the GNU Library General Public License
  15     along with this library; see the file COPYING.LIB.  If not, write to
  16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17     Boston, MA 02110-1301, USA.
  18 */
  19
  20 #ifndef qscriptengine_p_h
  21 #define qscriptengine_p_h
  22
  23 #include "qscriptconverter_p.h"
  24 #include "qscriptengine.h"
  25 #include "qscriptvalue.h"
  26 #include <JavaScriptCore/JavaScript.h>
  27 #include <QtCore/qshareddata.h>
  28 #include <QtCore/qstring.h>
  29
  30 class QScriptEngine;
  31
  32 class QScriptEnginePrivate : public QSharedData {
  33 public:
  34     static QScriptEnginePtr get(const QScriptEngine* q) { Q_ASSERT(q); return q->d_ptr; }
  35     static QScriptEngine* get(const QScriptEnginePrivate* d) { Q_ASSERT(d); return d->q_ptr; }
  36
  37     QScriptEnginePrivate(const QScriptEngine*);
  38     ~QScriptEnginePrivate();
  39
  40     QScriptValuePrivate* evaluate(const QString& program, const QString& fileName, int lineNumber);
  41     inline void collectGarbage();
  42
  43     inline JSValueRef makeJSValue(double number) const;
  44     inline JSValueRef makeJSValue(int number) const;
  45     inline JSValueRef makeJSValue(uint number) const;
  46     inline JSValueRef makeJSValue(const QString& string) const;
  47     inline JSValueRef makeJSValue(bool number) const;
  48     inline JSValueRef makeJSValue(QScriptValue::SpecialValue value) const;
  49
  50     inline JSGlobalContextRef context() const;
  51 private:
  52     QScriptEngine* q_ptr;
  53     JSGlobalContextRef m_context;
  54 };
  55
  56 void QScriptEnginePrivate::collectGarbage()
  57 {
  58     JSGarbageCollect(m_context);
  59 }
  60
  61 JSValueRef QScriptEnginePrivate::makeJSValue(double number) const
  62 {
  63     return JSValueMakeNumber(m_context, number);
  64 }
  65
  66 JSValueRef QScriptEnginePrivate::makeJSValue(int number) const
  67 {
  68     return JSValueMakeNumber(m_context, number);
  69 }
  70
  71 JSValueRef QScriptEnginePrivate::makeJSValue(uint number) const
  72 {
  73     return JSValueMakeNumber(m_context, number);
  74 }
  75
  76 JSValueRef QScriptEnginePrivate::makeJSValue(const QString& string) const
  77 {
  78     return JSValueMakeString(m_context, QScriptConverter::toString(string));
  79 }
  80
  81 JSValueRef QScriptEnginePrivate::makeJSValue(bool value) const
  82 {
  83     return JSValueMakeBoolean(m_context, value);
  84 }
  85
  86 JSValueRef QScriptEnginePrivate::makeJSValue(QScriptValue::SpecialValue value) const
  87 {
  88     if (value == QScriptValue::NullValue)
  89         return JSValueMakeNull(m_context);
  90     return JSValueMakeUndefined(m_context);
  91 }
  92
  93 JSGlobalContextRef QScriptEnginePrivate::context() const
  94 {
  95     return m_context;
  96 }
  97
  98 #endif