qt6windows7/util/lexgen/configfile.cpp
2023-10-29 23:33:08 +01:00

62 lines
1.8 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "configfile.h"
#include <QFile>
ConfigFile::SectionMap ConfigFile::parse(const QString &fileName)
{
QFile f(fileName);
if (!f.open(QIODevice::ReadOnly))
return ConfigFile::SectionMap();
return parse(&f);
}
ConfigFile::SectionMap ConfigFile::parse(QIODevice *dev)
{
SectionMap sections;
SectionMap::Iterator currentSection = sections.end();
ConfigFile::SectionMap result;
int currentLineNumber = 0;
while (!dev->atEnd()) {
QString line = QString::fromUtf8(dev->readLine()).trimmed();
++currentLineNumber;
if (line.isEmpty() || line.startsWith(QLatin1Char('#')))
continue;
if (line.startsWith(QLatin1Char('['))) {
if (!line.endsWith(']')) {
qWarning("Syntax error at line %d: Missing ']' at start of new section.", currentLineNumber);
return SectionMap();
}
line.remove(0, 1);
line.chop(1);
const QString sectionName = line;
currentSection = sections.insert(sectionName, Section());
continue;
}
if (currentSection == sections.end()) {
qWarning("Syntax error at line %d: Entry found outside of any section.", currentLineNumber);
return SectionMap();
}
Entry e;
e.lineNumber = currentLineNumber;
int equalPos = line.indexOf(QLatin1Char('='));
if (equalPos == -1) {
e.key = line;
} else {
e.key = line;
e.key.truncate(equalPos);
e.key = e.key.trimmed();
e.value = line.mid(equalPos + 1).trimmed();
}
currentSection->append(e);
}
return sections;
}