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/*
This file is part of the KDE libraries
SPDX-FileCopyrightText: 2010 Canonical Ltd
SPDX-FileContributor: Aurélien Gâteau <aurelien.gateau@canonical.com>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "kconfigutils.h"
// KDE
#include <kconfig.h>
#include <kconfiggroup.h>
namespace KConfigUtils
{
bool hasGroup(KConfig *config, const QStringList &lst)
{
KConfigGroup group = openGroup(config, lst);
return group.exists();
}
KConfigGroup openGroup(KConfig *config, const QStringList &lst)
{
KConfigGroup cg = config->group("");
for (const auto &i : lst) {
cg = cg.group(i);
}
return cg;
}
QStringList parseGroupString(const QString &_str, bool *ok, QString *error)
{
QString str = unescapeString(_str.trimmed(), ok, error);
if (!*ok) {
return QStringList();
}
*ok = true;
if (!str.startsWith(QLatin1Char{'['})) {
// Simplified notation, no '['
return QStringList{str};
}
if (!str.endsWith(QLatin1Char{']'})) {
*ok = false;
*error = QStringLiteral("Missing closing ']' in %1").arg(_str);
return QStringList();
}
// trim outer brackets
str.chop(1);
str.remove(0, 1);
return str.split(QLatin1String{"]["});
}
QString unescapeString(const QString &src, bool *ok, QString *error)
{
QString dst;
const int length = src.length();
for (int pos = 0; pos < length; ++pos) {
QChar ch = src.at(pos);
if (ch != QLatin1Char{'\\'}) {
dst += ch;
} else {
++pos;
if (pos == length) {
*ok = false;
*error = QStringLiteral("Unfinished escape sequence in %1").arg(src);
return QString();
}
ch = src.at(pos);
switch (ch.unicode()) {
case L's':
dst += QLatin1Char{' '};
break;
case L't':
dst += QLatin1Char{'\t'};
break;
case L'n':
dst += QLatin1Char{'\n'};
break;
case L'r':
dst += QLatin1Char{'\r'};
break;
case L'\\':
dst += QLatin1Char{'\\'};
break;
case L'x': {
if (pos + 2 < length) {
char value = src.midRef(pos + 1, 2).toInt(ok, 16);
if (*ok) {
dst += QLatin1Char{value};
pos += 2;
} else {
*error = QStringLiteral("Invalid hex escape sequence at column %1 in %2").arg(pos).arg(src);
return QString();
}
} else {
*ok = false;
*error = QStringLiteral("Unfinished hex escape sequence at column %1 in %2").arg(pos).arg(src);
return QString();
}
break;
}
default: {
*ok = false;
*error = QStringLiteral("Invalid escape sequence at column %1 in %2").arg(pos).arg(src);
return QString();
}
}
}
}
*ok = true;
return dst;
}
} // namespace
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