00001 00004 /* Copyright (C) 2005,2007,2008 Olly Betts 00005 * Copyright (C) 2008 Lemur Consulting Ltd 00006 * 00007 * This program is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 2 of the License, or 00010 * (at your option) any later version. 00011 * 00012 * This program is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this program; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00022 #ifndef XAPIAN_INCLUDED_FLINT_METADATA_H 00023 #define XAPIAN_INCLUDED_FLINT_METADATA_H 00024 00025 #include <xapian/base.h> 00026 #include <xapian/database.h> 00027 #include <xapian/types.h> 00028 00029 #include "alltermslist.h" 00030 #include "flint_table.h" 00031 #include "omdebug.h" 00032 #include "termlist.h" 00033 00034 #include <string> 00035 00036 class FlintCursor; 00037 00038 class FlintMetadataTermList : public AllTermsList { 00040 FlintMetadataTermList(const FlintMetadataTermList &); 00041 00043 void operator=(const FlintMetadataTermList &); 00044 00046 Xapian::Internal::RefCntPtr<const Xapian::Database::Internal> database; 00047 00050 FlintCursor * cursor; 00051 00054 std::string prefix; 00055 00056 public: 00057 FlintMetadataTermList(Xapian::Internal::RefCntPtr<const Xapian::Database::Internal> database_, 00058 FlintCursor * cursor_, const std::string &prefix_); 00059 00060 ~FlintMetadataTermList(); 00061 00067 std::string get_termname() const; 00068 00073 Xapian::doccount get_termfreq() const; 00074 00079 Xapian::termcount get_collection_freq() const; 00080 00082 TermList * next(); 00083 00085 TermList * skip_to(const std::string &tname); 00086 00088 bool at_end() const; 00089 }; 00090 00091 #endif // XAPIAN_INCLUDED_FLINT_METADATA_H