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diff --git a/kpf/src/ByteRange.h b/kpf/src/ByteRange.h
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+++ b/kpf/src/ByteRange.h
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+/*
+  KPF - Public fileserver for KDE
+
+  Copyright 2001 Rik Hemsley (rikkus) <[email protected]>
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to
+  deal in the Software without restriction, including without limitation the
+  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+  sell copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+  AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef KPF_BYTE_RANGE_H
+#define KPF_BYTE_RANGE_H
+
+#include <qstring.h>
+#include <qvaluelist.h>
+
+namespace KPF
+{
+  /**
+   * Parse and store an HTTP 'byte range'. 
+   * A range consists of a first and, optionally, a last byte.
+   * If the last byte is unspecified, it should be assumed to be
+   * the last byte of the resource being retrieved.
+   * A valid range has first <= last.
+   */
+  class ByteRange
+  {
+    public:
+
+      /**
+       * Constructs an empty range.
+       */
+      ByteRange();
+
+      /**
+       * Constructs a range with the first byte specified and the last
+       * byte set to 'none'.
+       */
+      ByteRange(ulong first);
+
+      /**
+       * Constructs a range with the first and last bytes specified.
+       */
+      ByteRange(ulong first, ulong last);
+
+      /**
+       * @return first byte in range.
+       */
+      ulong first() const;
+
+      /**
+       * @return last byte in range, if specified. Otherwise undefined.
+       */
+      ulong last()  const;
+
+      /**
+       * @return true if last byte was specified.
+       */
+      bool haveLast() const;
+
+      /**
+       * Specify the first byte of the range.
+       */
+      void setFirst (ulong l);
+
+      /**
+       * Specify the last byte of the range. After setting this
+       * value, haveLast() will return true.
+       */
+      void setLast  (ulong l);
+
+      /**
+       * @return true if first <= last or last is undefined.
+       */
+      bool valid() const;
+
+      /**
+       * Reset to initial state.
+       */
+      void clear();
+
+    private:
+
+      ulong first_;
+      ulong last_;
+      bool  haveLast_;
+  };
+
+  /**
+   * Encapsulates a list of ByteRange.
+   */
+  class ByteRangeList : public QValueList<ByteRange>
+  {
+    public:
+
+      ByteRangeList();
+
+      /**
+       * Contructs a ByteRangeList from a string, which is parsed.
+       * @param protocol specifies the HTTP protocol which should
+       * be assumed whilst parsing.
+       */
+      ByteRangeList(const QString &, float protocol);
+
+      /**
+       * Parses a byte range represented as a string and, if successful,
+       * appends the resultant ByteRange object to this list.
+       */
+      void addByteRange(const QString &);
+  };
+
+} // End namespace KPF
+
+#endif
+// vim:ts=2:sw=2:tw=78:et