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/* This file is part of the KDE libraries
Copyright 2010 Canonical Ltd
Author: Aurélien Gâteau <aurelien.gateau@canonical.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License (LGPL) as published by the Free Software Foundation;
either version 2 of the License, or (at your option) any later
version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#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("");
foreach (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[0] != '[') {
// Simplified notation, no '['
return QStringList() << str;
}
if (!str.endsWith(']')) {
*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(QStringLiteral("]["));
}
QString unescapeString(const QString &src, bool *ok, QString *error)
{
QString dst;
int length = src.length();
for (int pos = 0; pos < length; ++pos) {
QChar ch = src.at(pos);
if (ch != '\\') {
dst += ch;
} else {
++pos;
if (pos == length) {
*ok = false;
*error = QStringLiteral("Unfinished escape sequence in %1").arg(src);
return QString();
}
ch = src.at(pos);
if (ch == 's') {
dst += ' ';
} else if (ch == 't') {
dst += '\t';
} else if (ch == 'n') {
dst += '\n';
} else if (ch == 'r') {
dst += '\r';
} else if (ch == '\\') {
dst += '\\';
} else if (ch == 'x') {
if (pos + 2 < length) {
char value = src.mid(pos + 1, 2).toInt(ok, 16);
if (*ok) {
dst += QChar::fromLatin1(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();
}
} else {
*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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