1 files changed, 71 insertions, 0 deletions
diff --git a/kdat/Util.cpp b/kdat/Util.cpp
new file mode 100644
index 0000000..7fb06a3
--- /dev/null
+++ b/kdat/Util.cpp
@@ -0,0 +1,71 @@
+// KDat - a tar-based DAT archiver
+// Copyright (C) 1998-2000  Sean Vyain, svyain@mail.tds.net
+// Copyright (C) 2001-2002  Lawrence Widman, kdat@cardiothink.com
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+#include <qstringlist.h>
+#include <kglobal.h>
+#include <klocale.h>
+
+#include "Util.h"
+
+QString Util::bytesToString( uint bytes )
+{
+    return KGlobal::locale()->formatNumber(bytes, 0);
+}
+
+QString Util::kbytesToString( uint kbytes )
+{
+    return KGlobal::locale()->formatNumber(kbytes, 0) + 'k';
+}
+
+QString Util::longestCommonPath( const QStringList& files )
+{
+    QStringList filesTmp = files;
+    QStringList::Iterator i = filesTmp.begin();
+
+    uint minLen = (*i).length();
+    for ( ; i != filesTmp.end(); ++i ) {
+        if ( minLen > (*i).length() ) {
+            minLen = (*i).length();
+        }
+    }
+    uint j;
+    for ( j = 0; j < minLen; j++ ) {
+        i = filesTmp.begin();
+        QString first = *i;
+        for ( ; i != filesTmp.end(); ++i ) {
+            if ( first.left(j) != (*i).left(j) ) {
+                // Prefixes are NOT the same.
+                break;
+            }
+        }
+        if ( i != filesTmp.end() ) {
+            // The common prefix is 0 to j-1, inclusive.
+            break;
+        }
+    }
+    i = filesTmp.begin();
+    QString prefix = *i;
+    int idx = prefix.findRev( '/', j );
+    if ( idx > -1 ) {
+        prefix = prefix.left( prefix.findRev( '/', j ) );
+    } else {
+        prefix = "";
+    }
+
+    return prefix;
+}