* New code for handling options/variables which used bencode and can

redirect get/set operations.

* Fixed(?) a bug in RequestList::downloading(...) that could cause a
segfault when pieces in the canceled list start downloading.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@622 e378c898-3ddf-0310-93e7-cc216c733640

src/utils/variable_map.h

@@ -0,0 +1,77 @@
+// rTorrent - BitTorrent client
+// Copyright (C) 2006, Jari Sundell
+//
+// 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+// In addition, as a special exception, the copyright holders give
+// permission to link the code of portions of this program with the
+// OpenSSL library under certain conditions as described in each
+// individual source file, and distribute linked combinations
+// including the two.
+//
+// You must obey the GNU General Public License in all respects for
+// all of the code used other than OpenSSL.  If you modify file(s)
+// with this exception, you may extend this exception to your version
+// of the file(s), but you are not obligated to do so.  If you do not
+// wish to do so, delete this exception statement from your version.
+// If you delete this exception statement from all source files in the
+// program, then also delete it here.
+//
+// Contact:  Jari Sundell <jaris@ifi.uio.no>
+//
+//           Skomakerveien 33
+//           3185 Skoppum, NORWAY
+
+#ifndef RTORRENT_UTILS_VARIABLE_MAP_H
+#define RTORRENT_UTILS_VARIABLE_MAP_H
+
+#include <map>
+#include <string>
+#include <torrent/bencode.h>
+
+namespace utils {
+
+class Variable;
+
+class VariableMap : public std::map<std::string, Variable*> {
+public:
+  typedef std::map<std::string, Variable*> base_type;
+
+  using base_type::iterator;
+  using base_type::value_type;
+
+  VariableMap() {}
+  ~VariableMap();
+
+  void                insert(const std::string& key, Variable* v);
+
+  // Consider taking char* start and finish instead of std::string to
+  // avoid copying. Or make a view class.
+  const torrent::Bencode& get(const std::string& key);
+
+  void                set(const std::string& key, const torrent::Bencode& arg);
+  void                set_string(const std::string& key, const std::string& arg) { set(key, torrent::Bencode(arg)); }
+
+  // Temporary.
+  void                process_command(const std::string& command);
+
+private:
+  VariableMap(const VariableMap&);
+  void operator = (const VariableMap&);
+};
+
+}
+
+#endif