* Fixed more redirected commands.

* Cleaned up the Command stack implementation.

* Added framework for object_storage class that will hold variables and user-defined command lists.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@1162 e378c898-3ddf-0310-93e7-cc216c733640

src/rpc/object_storage.h

@@ -0,0 +1,93 @@
+// rTorrent - BitTorrent client
+// Copyright (C) 2005-2007, 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
+
+// The object_storage type is responsible for storing variables,
+// commands, command lists and other types encoded in torrent::Object
+// format.
+
+#ifndef RTORRENT_RPC_OBJECT_STORAGE_H
+#define RTORRENT_RPC_OBJECT_STORAGE_H
+
+#include <cstring>
+#include <tr1/unordered_set>
+#include <torrent/object.h>
+
+namespace rpc {
+
+// The key size should be such that the value type size which includes
+// the next-pointer.
+
+struct object_storage_node_internal {
+  torrent::Object object;
+  char            key[0];
+};
+
+struct object_storage_node : public object_storage_node_internal {
+  // TODO: Use the size of the unordered_map::value_type with a struct {}.
+  static const size_t key_size = 128 - sizeof(object_storage_node_internal) - sizeof(void*);
+};
+
+struct hash_object_storage_node {
+  inline std::size_t operator () (const object_storage_node& p);
+};
+
+bool operator == (const object_storage_node& left, const object_storage_node& right) { return std::strcmp(left.key, right.key) == 0; }
+bool operator != (const object_storage_node& left, const object_storage_node& right) { return std::strcmp(left.key, right.key) != 0; }
+bool operator <  (const object_storage_node& left, const object_storage_node& right) { return std::strcmp(left.key, right.key) <  0; }
+bool operator <= (const object_storage_node& left, const object_storage_node& right) { return std::strcmp(left.key, right.key) <= 0; }
+bool operator >  (const object_storage_node& left, const object_storage_node& right) { return std::strcmp(left.key, right.key) >  0; }
+bool operator >= (const object_storage_node& left, const object_storage_node& right) { return std::strcmp(left.key, right.key) >= 0; }
+
+class object_storage : private std::tr1::unordered_set<object_storage_node, hash_object_storage_node> {
+  typedef std::tr1::unordered_set<object_storage_node, hash_object_storage_node> base_type;
+
+  using base_type::iterator;
+};
+
+inline std::size_t
+hash_object_storage_node::operator () (const object_storage_node& p) {
+  std::size_t result = 0;
+  const char* first = p.key;
+
+  while (*first != '\0')
+    result = (result * 131) + *first++;
+
+  return result;
+}
+
+}
+
+#endif