qt/api/qscriptstring_p.h

   1 /*
   2     Copyright (C) 2010 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 qscriptstring_p_h
  21 #define qscriptstring_p_h
  22
  23 #include "qscriptconverter_p.h"
  24 #include "qscriptstring.h"
  25 #include <JavaScriptCore/JavaScript.h>
  26 #include <QtCore/qnumeric.h>
  27 #include <QtCore/qshareddata.h>
  28
  29 class QScriptStringPrivate : public QSharedData {
  30 public:
  31     inline QScriptStringPrivate();
  32     inline QScriptStringPrivate(const QString& qtstring);
  33     inline ~QScriptStringPrivate();
  34
  35     static inline QScriptString get(QScriptStringPrivate* d);
  36     static inline QScriptStringPtr get(const QScriptString& p);
  37
  38     inline bool isValid() const;
  39
  40     inline bool operator==(const QScriptStringPrivate& other) const;
  41     inline bool operator!=(const QScriptStringPrivate& other) const;
  42
  43     inline quint32 toArrayIndex(bool* ok = 0) const;
  44
  45     inline QString toString() const;
  46
  47     inline quint64 id() const;
  48
  49 private:
  50     JSStringRef m_string;
  51 };
  52
  53
  54 QScriptStringPrivate::QScriptStringPrivate()
  55     : m_string(0)
  56 {}
  57
  58 QScriptStringPrivate::QScriptStringPrivate(const QString& qtstring)
  59     : m_string(QScriptConverter::toString(qtstring))
  60 {}
  61
  62 QScriptStringPrivate::~QScriptStringPrivate()
  63 {
  64     if (isValid())
  65         JSStringRelease(m_string);
  66 }
  67
  68 QScriptString QScriptStringPrivate::get(QScriptStringPrivate* d)
  69 {
  70     Q_ASSERT(d);
  71     return QScriptString(d);
  72 }
  73
  74 QScriptStringPtr QScriptStringPrivate::get(const QScriptString& p)
  75 {
  76     return p.d_ptr;
  77 }
  78
  79 bool QScriptStringPrivate::isValid() const
  80 {
  81     return m_string;
  82 }
  83
  84 bool QScriptStringPrivate::operator==(const QScriptStringPrivate& other) const
  85 {
  86     return isValid() && other.isValid() && JSStringIsEqual(m_string, other.m_string);
  87 }
  88
  89 bool QScriptStringPrivate::operator!=(const QScriptStringPrivate& other) const
  90 {
  91     return isValid() && other.isValid() && !JSStringIsEqual(m_string, other.m_string);
  92 }
  93
  94 quint32 QScriptStringPrivate::toArrayIndex(bool* ok) const
  95 {
  96     quint32 idx = QScriptConverter::toArrayIndex(m_string);
  97     if (ok)
  98         *ok = (idx != 0xffffffff);
  99     return idx;
 100 }
 101
 102 QString QScriptStringPrivate::toString() const
 103 {
 104     return QScriptConverter::toString(m_string);
 105 }
 106
 107 quint64 QScriptStringPrivate::id() const
 108 {
 109     return reinterpret_cast<quint32>(m_string);
 110 }
 111
 112 #endif // qscriptstring_p_h