67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/*
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* Copyright 2017 Jos van den Oever <jos@vandenoever.info>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License or (at your option) version 3 or any later version
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* accepted by the membership of KDE e.V. (or its successor approved
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* by the membership of KDE e.V.), which shall act as a proxy
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* defined in Section 14 of version 3 of the license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QRegExp>
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#include <QCoreApplication>
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#include <QFile>
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#include <QTextStream>
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inline QString snakeCase(const QString& name) {
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return name.left(1).toLower() + name.mid(1)
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.replace(QRegExp("([A-Z])"), "_\\1").toLower();
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}
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// Only write a file if it is different
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class DifferentFileWriter {
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public:
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const QString path;
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QByteArray buffer;
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bool overwrite;
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DifferentFileWriter(const QString& p, bool o = true) :path(p), overwrite(o)
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{
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}
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~DifferentFileWriter() {
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const QByteArray old = read();
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if (old != buffer && (old.isNull() || overwrite)) {
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write();
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}
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}
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QByteArray read() const {
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QByteArray content;
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QFile file(path);
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if (file.open(QIODevice::ReadOnly)) {
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content = file.readAll();
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}
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return content;
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}
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void write() const {
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QFile file(path);
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if (!file.open(QIODevice::WriteOnly)) {
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QTextStream err(stderr);
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err << QCoreApplication::translate("main",
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"Cannot write %1.\n").arg(file.fileName());
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err.flush();
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exit(1);
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}
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file.write(buffer);
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file.close();
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}
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};
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