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// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
#include <DTextEncoding>
#include <QCoreApplication>
#include <QCommandLineOption>
#include <QCommandLineParser>
#include <QDebug>
DCORE_USE_NAMESPACE
void convertFileEncoding(const QString &fromFile,
const QString &toFile,
const QByteArray &toEncoding,
const QByteArray &fromEncoding = QByteArray())
{
QByteArray contentEncoding = fromEncoding;
if (contentEncoding.isEmpty()) {
bool isOk = false;
contentEncoding = DTextEncoding::detectFileEncoding(fromFile, &isOk);
if (!isOk) {
qInfo().noquote() << QString("Detect file %1 encoding failed").arg(fromFile);
return;
}
}
QString errString;
if (!DTextEncoding::convertFileEncodingTo(fromFile, toFile, toEncoding, contentEncoding, &errString)) {
qInfo().noquote() << QString("Convert file %1 encoding from %2 to %3 failed. error: %4")
.arg(fromFile)
.arg(QString::fromUtf8(contentEncoding))
.arg(QString::fromUtf8(toEncoding))
.arg(errString);
} else {
qInfo().noquote() << QString("Convert file %1 encoding from %2 to %3 successed.")
.arg(fromFile)
.arg(QString::fromUtf8(contentEncoding))
.arg(QString::fromUtf8(toEncoding));
}
}
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
QCoreApplication::setApplicationName("Text codec");
QCommandLineOption toEncodingOption({"t", "toEncoding"}, "Convert file encoding to specified encoding.", "encoding");
QCommandLineOption fromEncodingOption({"f", "fromEncoding"}, "Convert file encoding from specified encoding.", "encoding");
QCommandLineOption outputOption(
{"o", "output"}, "Save converted text with file path, only supported when opening a single file.", "path");
QCommandLineParser parser;
parser.setApplicationDescription("Text codec, provide encoding detection and encoding conversion.");
parser.addHelpOption();
parser.addOption(toEncodingOption);
parser.addOption(fromEncodingOption);
parser.addOption(outputOption);
parser.addPositionalArgument("file", "Open file.", "[file...]");
parser.process(app);
const QStringList args = parser.positionalArguments();
if (args.isEmpty()) {
parser.showHelp();
}
const QStringList fileArgs = parser.positionalArguments();
if (fileArgs.isEmpty()) {
qInfo().noquote() << "Not set open file.";
return 0;
}
if (parser.isSet(outputOption)) {
if (fileArgs.size() > 1) {
qInfo().noquote() << "Output file path only supported when opening a single file.";
return 0;
} else if (!parser.isSet(toEncodingOption)) {
qInfo().noquote() << "Convert file with not set convert encoding.";
} else {
QString fromFile = fileArgs.first();
QString toFile = parser.value(outputOption);
QByteArray toEncoding = parser.value(toEncodingOption).toUtf8();
convertFileEncoding(fromFile, toFile, toEncoding, parser.value(fromEncodingOption).toUtf8());
return 0;
}
}
QByteArray toEncoding = parser.value(toEncodingOption).toUtf8();
for (QString fileName : fileArgs) {
if (toEncoding.isEmpty()) {
// Only display file encoding.
qInfo().noquote() << fileName << DTextEncoding::detectFileEncoding(fileName);
} else {
// Convert file encoding.
convertFileEncoding(fileName, fileName, toEncoding, parser.value(fromEncodingOption).toUtf8());
}
}
return 0;
}
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