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/*
SPDX-FileCopyrightText: 2016 Anton Anikin <anton.anikin@htower.ru>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "kdevformatfile.h"
#include "wildcardhelpers.h"
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QProcess>
#include <utility>
namespace KDevelop {
KDevFormatFile::KDevFormatFile(const QString& origFilePath, const QString& tempFilePath)
: formatFileName{QStringLiteral("format_sources")}
, m_origFilePath(origFilePath)
, m_tempFilePath(tempFilePath)
{
}
bool KDevFormatFile::find()
{
QDir srcDir(QFileInfo(m_origFilePath).canonicalPath());
do {
if (srcDir.exists(formatFileName)) {
QDir::setCurrent(srcDir.canonicalPath());
qStdOut() << "found \""
<< QFileInfo(srcDir.canonicalPath() + QDir::separator() + formatFileName).canonicalFilePath()
<< "\"\n";
return true;
}
} while (!srcDir.isRoot() && srcDir.cdUp());
return false;
}
bool KDevFormatFile::read()
{
constexpr QChar delimiter = QLatin1Char(':');
QFile formatFile(formatFileName);
if (!formatFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
qStdOut() << "unable to open \"" << formatFileName << "\"\n";
return false;
}
int lineNumber = 0;
while (!formatFile.atEnd()) {
++lineNumber;
QString line = QString::fromUtf8(formatFile.readLine().trimmed());
if (line.isEmpty() || line.startsWith(QLatin1Char('#')))
continue;
if (line.indexOf(delimiter) < 0) {
// We found the simple syntax without wildcards, and only with the command
m_formatLines.append({QStringList{}, std::move(line)});
} else {
// We found the correct syntax with "wildcards : command"
QStringList wildcards = line.section(delimiter, 0, 0).split(QLatin1Char(' '), Qt::SkipEmptyParts);
QString command = line.section(delimiter, 1).trimmed();
if (wildcards.isEmpty()) {
qStdOut() << formatFileName << ":" << lineNumber
<< ": error: empty wildcard, skip the line\n";
continue;
}
m_formatLines.append({std::move(wildcards), std::move(command)});
}
}
if (m_formatLines.isEmpty()) {
qStdOut() << formatFileName << ": error: no commands are found\n";
return false;
}
return true;
}
bool KDevFormatFile::apply()
{
for (const KDevFormatLine& formatLine : std::as_const(m_formatLines)) {
if (formatLine.wildcards.isEmpty()) {
qStdOut() << "matched \"" << m_origFilePath << "\" without wildcard";
return executeCommand(formatLine.command);
}
const QChar dirSeparator = QDir::separator();
for (const QString& wildcard : formatLine.wildcards) {
const QString pattern = QDir::current().canonicalPath() + dirSeparator + wildcard.trimmed();
if (WildcardHelpers::matchSinglePattern(pattern, m_origFilePath)) {
qStdOut() << "matched \"" << m_origFilePath << "\" with wildcard \"" << wildcard << '\"';
return executeCommand(formatLine.command);
}
}
}
qStdOut() << formatFileName << ": error: no commands applicable to \"" << m_origFilePath << "\"\n";
return false;
}
bool KDevFormatFile::executeCommand(QString command)
{
if (command.isEmpty()) {
qStdOut() << ", empty command => nothing to do\n";
return true;
}
qStdOut() << ", using command \"" << command << "\"\n";
command.replace(QLatin1String("$ORIGFILE"), m_origFilePath);
command.replace(QLatin1String("$TMPFILE"), m_tempFilePath);
#ifdef Q_OS_WIN
const QString interpreter = QStringLiteral("cmd");
const QStringList arguments{QStringLiteral("/c"), command};
#else
const QString interpreter = QStringLiteral("sh");
const QStringList arguments{QStringLiteral("-c"), command};
#endif
const int execResult = QProcess::execute(interpreter, arguments);
if (execResult != 0) {
const QString interpreterDescription = QLatin1String("interpreter ") + interpreter;
if (execResult == -2) {
qStdOut() << "error: " << interpreterDescription << " failed to start\n";
return false;
}
if (execResult == -1) {
qStdOut() << "error: " << interpreterDescription << " crashed\n";
return false;
}
qStdOut() << "warning: " << interpreterDescription << " exited with code " << execResult << '\n';
}
return true;
}
}
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