1 files changed, 127 insertions, 0 deletions
diff --git a/src/kconf_update/kconfigutils.cpp b/src/kconf_update/kconfigutils.cpp
new file mode 100644
index 00000000..f2663e13
--- /dev/null
+++ b/src/kconf_update/kconfigutils.cpp
@@ -0,0 +1,127 @@
+/* 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)
+{
+    if (_lst.isEmpty()) {
+        return KConfigGroup(config, QString());
+    }
+
+    QStringList lst = _lst;
+
+    KConfigGroup cg;
+    for (cg = KConfigGroup(config, lst.takeFirst()); !lst.isEmpty(); cg = KConfigGroup(&cg, lst.takeFirst())) {}
+    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 = QString("Missing closing ']' in %1").arg(_str);
+        return QStringList();
+    }
+    // trim outer brackets
+    str.chop(1);
+    str.remove(0, 1);
+
+    return str.split("][");
+}
+
+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 = QString("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 = QString("Invalid hex escape sequence at column %1 in %2").arg(pos).arg(src);
+                        return QString();
+                    }
+                } else {
+                    *ok = false;
+                    *error = QString("Unfinished hex escape sequence at column %1 in %2").arg(pos).arg(src);
+                    return QString();
+                }
+            } else {
+                *ok = false;
+                *error = QString("Invalid escape sequence at column %1 in %2").arg(pos).arg(src);
+                return QString();
+            }
+        }
+    }
+
+    *ok = true;
+    return dst;
+}
+
+} // namespace