summaryrefslogtreecommitdiffstats
path: root/kdat/Range.h
diff options
context:
space:
mode:
Diffstat (limited to 'kdat/Range.h')
-rw-r--r--kdat/Range.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/kdat/Range.h b/kdat/Range.h
new file mode 100644
index 0000000..5b042c3
--- /dev/null
+++ b/kdat/Range.h
@@ -0,0 +1,107 @@
+// 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
+
+#ifndef _Range_h_
+#define _Range_h_
+
+#include <qptrlist.h>
+
+/**
+ * @short This class represents a range of tar records.
+ */
+class Range {
+ int _start;
+ int _end;
+public:
+ /**
+ * Create a new range.
+ *
+ * @param start The first tar record in the range.
+ * @param end The last tar record in the range.
+ */
+ Range( int start = 0, int end = 0 );
+
+ /**
+ * Get the first tar record in this range.
+ *
+ * @return The starting tar record.
+ */
+ int getStart();
+
+ /**
+ * Get the last tar record in this range.
+ *
+ * @return The ending tar record.
+ */
+ int getEnd();
+
+ /**
+ * Set the first tar record in this range.
+ *
+ * @param start The starting tar record.
+ */
+ void setStart( int start );
+
+ /**
+ * Set the last tar record in this range.
+ *
+ * @param end The ending tar record.
+ */
+ void setEnd( int end );
+};
+
+/**
+ * A simple list of Ranges.
+ */
+class RangeList {
+ QPtrList<Range> _ranges;
+public:
+ /**
+ * Create an empty list of ranges.
+ */
+ RangeList();
+
+ /**
+ * Destroy each range in the list.
+ */
+ ~RangeList();
+
+ /**
+ * Get the simplified list of ranges.
+ *
+ * @return The list of ranges.
+ */
+ const QPtrList<Range>& getRanges() const;
+
+ /**
+ * Intelligently add the given range to the list of ranges. If possible,
+ * the new range is merged with one (or two) of the existing ranges in
+ * the list. Otherwise, a new range is added to the list.
+ *
+ * @param start The starting tar record.
+ * @param end The ending tar record.
+ */
+ void addRange( int start, int end );
+
+ /**
+ * Erase the list of ranges.
+ */
+ void clear();
+};
+
+#endif