diff options
Diffstat (limited to 'src/plugins/script/file/textfile.cpp')
| -rw-r--r-- | src/plugins/script/file/textfile.cpp | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/plugins/script/file/textfile.cpp b/src/plugins/script/file/textfile.cpp new file mode 100644 index 000000000..91817799e --- /dev/null +++ b/src/plugins/script/file/textfile.cpp @@ -0,0 +1,186 @@ +/************************************************************************** +** +** 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 +} |