aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/script/file/textfile.cpp
blob: 91817799ec959291f9b1c5f400447537fcdd3c29 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
/**************************************************************************
**
** This file is part of the Qt Build Suite
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file.
** Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**************************************************************************/

#include "textfile.h"
#include <QtCore/QFile>
#include <QtCore/QTextStream>
#include <QtScript/QScriptEngine>
#include <QtScript/QScriptValue>

void TextFile::init(QScriptValue &extensionObject, QScriptEngine *engine)
{
    QScriptValue obj = engine->newQMetaObject(&TextFile::staticMetaObject, engine->newFunction(&TextFile::ctor));
    extensionObject.setProperty("TextFile", obj);
}

QScriptValue TextFile::ctor(QScriptContext *context, QScriptEngine *engine)
{
    TextFile *t;
    switch (context->argumentCount()) {
        case 1:
            t = new TextFile(context,
                    context->argument(0).toString());
            break;
        case 2:
            t = new TextFile(context,
                    context->argument(0).toString(),
                    static_cast<OpenMode>(context->argument(1).toInt32())
                    );
            break;
        case 3:
            t = new TextFile(context,
                    context->argument(0).toString(),
                    static_cast<OpenMode>(context->argument(1).toInt32()),
                    context->argument(2).toString()
                    );
            break;
        default:
            return context->throwError("TextFile(QString file, OpenMode mode = ReadOnly, QString codec = QLatin1String(\"UTF8\"))");
    }

    QScriptValue obj = engine->newQObject(t, QScriptEngine::ScriptOwnership);
//    obj.setProperty("d", engine->newQObject(new FileImplementation(t),
//                QScriptEngine::QScriptEngine::QtOwnership));
    return obj;
}

TextFile::~TextFile()
{
    delete qstream;
    delete qfile;
}

TextFile::TextFile(QScriptContext *context, QString file, OpenMode mode, QString codec)
{
    Q_UNUSED(codec)
    Q_ASSERT(thisObject().engine() == engine());
    TextFile *t = this;

    t->qfile = new QFile(file);
    QIODevice::OpenMode m = QIODevice::ReadOnly;
    if (mode == ReadWrite) {
        m = QIODevice::ReadWrite;
    } else if (mode == ReadOnly) {
        m = QIODevice::ReadOnly;
    } else if (mode == WriteOnly) {
       m = QIODevice::WriteOnly;
    }
    if (!t->qfile->open(m)) {
        delete t->qfile;
        t->qfile = 0;
        context->throwError(QString::fromLatin1("unable to open '%1'")
                .arg(file)
                );
    }

   t->qstream = new QTextStream(t->qfile);
}

void TextFile::close()
{
    Q_ASSERT(thisObject().engine() == engine());
    TextFile *t = qscriptvalue_cast<TextFile*>(thisObject());
    if (t->qfile)
        t->qfile->close();
    delete t->qfile;
    t->qfile = 0;
    delete t->qstream;
    t->qstream = 0;
}

void TextFile::setCodec(QString codec)
{
    Q_ASSERT(thisObject().engine() == engine());
    TextFile *t = qscriptvalue_cast<TextFile*>(thisObject());
    if (!t->qstream)
        return;
    t->qstream->setCodec(qPrintable(codec));
}

QString TextFile::readLine()
{
    TextFile *t = qscriptvalue_cast<TextFile*>(thisObject());
    if (!t->qfile)
        return QString();
    return t->qstream->readLine();
}

QString TextFile::readAll()
{
    TextFile *t = qscriptvalue_cast<TextFile*>(thisObject());
    if (!t->qfile)
        return QString();
    return t->qstream->readAll();
}

bool TextFile::eof()
{
    TextFile *t = qscriptvalue_cast<TextFile*>(thisObject());
    if (!t->qstream)
        return true;
    return t->qstream->atEnd();
}

void TextFile::truncate()
{
    TextFile *t = qscriptvalue_cast<TextFile*>(thisObject());
    if (!t->qstream)
        return;
    t->qfile->resize(0);
    t->qstream->reset();
}

void TextFile::write(QString str)
{
    TextFile *t = qscriptvalue_cast<TextFile*>(thisObject());
    if (!t->qstream)
        return;
    (*t->qstream) << str;
}

void TextFile::writeLine(QString str)
{
    TextFile *t = qscriptvalue_cast<TextFile*>(thisObject());
    if (!t->qstream)
        return;
    (*t->qstream) << str;
#ifdef Q_OS_WINDOWS
    (*t->qstream) <<"\r\n";
#else
    (*t->qstream) <<"\n";
#endif
}