src/scripttools/debugging/qscriptscriptdata.cpp
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     1 /****************************************************************************
       
     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 QtSCriptTools module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "qscriptscriptdata_p.h"
       
    43 
       
    44 #include <QtCore/qdatastream.h>
       
    45 #include <QtCore/qstring.h>
       
    46 #include <QtCore/qstringlist.h>
       
    47 
       
    48 QT_BEGIN_NAMESPACE
       
    49 
       
    50 /*!
       
    51   \since 4.5
       
    52   \class QScriptScriptData
       
    53   \internal
       
    54 
       
    55   \brief The QScriptScriptData class holds data associated with a script.
       
    56 */
       
    57 
       
    58 class QScriptScriptDataPrivate
       
    59 {
       
    60 public:
       
    61     QScriptScriptDataPrivate();
       
    62     ~QScriptScriptDataPrivate();
       
    63 
       
    64     QString contents;
       
    65     QString fileName;
       
    66     int baseLineNumber;
       
    67     QDateTime timeStamp;
       
    68 
       
    69     QBasicAtomicInt ref;
       
    70 };
       
    71 
       
    72 QScriptScriptDataPrivate::QScriptScriptDataPrivate()
       
    73 {
       
    74     ref = 0;
       
    75 }
       
    76 
       
    77 QScriptScriptDataPrivate::~QScriptScriptDataPrivate()
       
    78 {
       
    79 }
       
    80 
       
    81 QScriptScriptData::QScriptScriptData()
       
    82     : d_ptr(0)
       
    83 {
       
    84 }
       
    85 
       
    86 QScriptScriptData::QScriptScriptData(const QString &contents, const QString &fileName,
       
    87                                      int baseLineNumber, const QDateTime &timeStamp)
       
    88     : d_ptr(new QScriptScriptDataPrivate)
       
    89 {
       
    90     d_ptr->contents = contents;
       
    91     d_ptr->fileName = fileName;
       
    92     d_ptr->baseLineNumber = baseLineNumber;
       
    93     if (timeStamp.isValid())
       
    94         d_ptr->timeStamp = timeStamp;
       
    95     else
       
    96         d_ptr->timeStamp = QDateTime::currentDateTime();
       
    97     d_ptr->ref.ref();
       
    98 }
       
    99 
       
   100 QScriptScriptData::QScriptScriptData(const QScriptScriptData &other)
       
   101     : d_ptr(other.d_ptr.data())
       
   102 {
       
   103     if (d_ptr)
       
   104         d_ptr->ref.ref();
       
   105 }
       
   106 
       
   107 QScriptScriptData::~QScriptScriptData()
       
   108 {
       
   109 }
       
   110 
       
   111 QScriptScriptData &QScriptScriptData::operator=(const QScriptScriptData &other)
       
   112 {
       
   113     d_ptr.assign(other.d_ptr.data());
       
   114     return *this;
       
   115 }
       
   116 
       
   117 QString QScriptScriptData::contents() const
       
   118 {
       
   119     Q_D(const QScriptScriptData);
       
   120     if (!d)
       
   121         return QString();
       
   122     return d->contents;
       
   123 }
       
   124 
       
   125 QStringList QScriptScriptData::lines(int startLineNumber, int count) const
       
   126 {
       
   127     Q_D(const QScriptScriptData);
       
   128     if (!d)
       
   129         return QStringList();
       
   130     QStringList allLines = d->contents.split(QLatin1Char('\n'));
       
   131     return allLines.mid(qMax(0, startLineNumber - d->baseLineNumber), count);
       
   132 }
       
   133 
       
   134 QString QScriptScriptData::fileName() const
       
   135 {
       
   136     Q_D(const QScriptScriptData);
       
   137     if (!d)
       
   138         return QString();
       
   139     return d->fileName;
       
   140 }
       
   141 
       
   142 int QScriptScriptData::baseLineNumber() const
       
   143 {
       
   144     Q_D(const QScriptScriptData);
       
   145     if (!d)
       
   146         return -1;
       
   147     return d->baseLineNumber;
       
   148 }
       
   149 
       
   150 QDateTime QScriptScriptData::timeStamp() const
       
   151 {
       
   152     Q_D(const QScriptScriptData);
       
   153     if (!d)
       
   154         return QDateTime();
       
   155     return d->timeStamp;
       
   156 }
       
   157 
       
   158 bool QScriptScriptData::isValid() const
       
   159 {
       
   160     Q_D(const QScriptScriptData);
       
   161     return (d != 0);
       
   162 }
       
   163 
       
   164 bool QScriptScriptData::operator==(const QScriptScriptData &other) const
       
   165 {
       
   166     Q_D(const QScriptScriptData);
       
   167     const QScriptScriptDataPrivate *od = other.d_func();
       
   168     if (d == od)
       
   169         return true;
       
   170     if (!d || !od)
       
   171         return false;
       
   172     return ((d->contents == od->contents)
       
   173             && (d->fileName == od->fileName)
       
   174             && (d->baseLineNumber == od->baseLineNumber));
       
   175 }
       
   176 
       
   177 bool QScriptScriptData::operator!=(const QScriptScriptData &other) const
       
   178 {
       
   179     return !(*this == other);
       
   180 }
       
   181 
       
   182 QDataStream &operator<<(QDataStream &out, const QScriptScriptData &data)
       
   183 {
       
   184     const QScriptScriptDataPrivate *d = data.d_ptr.data();
       
   185     if (d) {
       
   186         out << d->contents;
       
   187         out << d->fileName;
       
   188         out << qint32(d->baseLineNumber);
       
   189     } else {
       
   190         out << QString();
       
   191         out << QString();
       
   192         out << qint32(0);
       
   193     }
       
   194     return out;
       
   195 }
       
   196 
       
   197 QDataStream &operator>>(QDataStream &in, QScriptScriptData &data)
       
   198 {
       
   199     if (!data.d_ptr) {
       
   200         data.d_ptr.reset(new QScriptScriptDataPrivate());
       
   201         data.d_ptr->ref.ref();
       
   202     }
       
   203     QScriptScriptDataPrivate *d = data.d_ptr.data();
       
   204     in >> d->contents;
       
   205     in >> d->fileName;
       
   206     qint32 ln;
       
   207     in >> ln;
       
   208     d->baseLineNumber = ln;
       
   209     return in;
       
   210 }
       
   211 
       
   212 QT_END_NAMESPACE