rssguard/src/miscellaneous/iofactory.cpp
2015-11-22 11:24:19 +01:00

119 lines
3.3 KiB
C++
Executable File

// This file is part of RSS Guard.
//
// Copyright (C) 2011-2015 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// RSS Guard is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.
#include "miscellaneous/iofactory.h"
#include "definitions/definitions.h"
#include "exceptions/ioexception.h"
#include <QDir>
#include <QFileInfo>
#include <QFile>
#include <QObject>
#include <QTextStream>
IOFactory::IOFactory() {
}
QString IOFactory::getSystemFolder(SYSTEM_FOLDER_ENUM::StandardLocation location) {
#if QT_VERSION >= 0x050000
return SYSTEM_FOLDER_ENUM::writableLocation(location);
#else
return SYSTEM_FOLDER_ENUM::storageLocation(location);
#endif
}
QString IOFactory::ensureUniqueFilename(const QString &name, const QString &append_format) {
if (!QFile::exists(name)) {
return name;
}
QString tmp_filename = name;
int i = 1;
while (QFile::exists(tmp_filename)) {
tmp_filename = name;
int index = tmp_filename.lastIndexOf(QL1C('.'));
QString append_string = append_format.arg(i++);
if (index < 0) {
tmp_filename.append(append_string);
}
else {
tmp_filename = tmp_filename.left(index) + append_string + tmp_filename.mid(index);
}
}
return tmp_filename;
}
QString IOFactory::filterBadCharsFromFilename(const QString &name) {
QString value = name;
value.replace(QL1C('/'), QL1C('-'));
value.remove(QL1C('\\'));
value.remove(QL1C(':'));
value.remove(QL1C('*'));
value.remove(QL1C('?'));
value.remove(QL1C('"'));
value.remove(QL1C('<'));
value.remove(QL1C('>'));
value.remove(QL1C('|'));
return value;
}
QByteArray IOFactory::readTextFile(const QString &file_path) {
QFile input_file(file_path);
QByteArray input_data;
if (input_file.open(QIODevice::Text | QIODevice::Unbuffered | QIODevice::ReadOnly)) {
input_data = input_file.readAll();
input_file.close();
return input_data;
}
else {
throw IOException(tr("Cannot open file '%1' for reading.").arg(QDir::toNativeSeparators(file_path)));
}
}
void IOFactory::writeTextFile(const QString &file_path, const QByteArray &data, const QString &encoding) {
QFile input_file(file_path);
QTextStream stream(&input_file);
if (input_file.open(QIODevice::Text | QIODevice::WriteOnly)) {
stream << data;
stream.flush();
input_file.flush();
input_file.close();
}
else {
throw IOException(tr("Cannot open file '%1' for writting.").arg(QDir::toNativeSeparators(file_path)));
}
}
bool IOFactory::copyFile(const QString &source, const QString &destination) {
if (QFile::exists(destination)) {
if (!QFile::remove(destination)) {
return false;
}
}
return QFile::copy(source, destination);
}