00001 00004 /* Copyright (C) 2006,2007,2008,2009 Olly Betts 00005 * Copyright (C) 2009 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_ALLDOCSPOSTLIST_H 00023 #define XAPIAN_INCLUDED_FLINT_ALLDOCSPOSTLIST_H 00024 00025 #include <string> 00026 00027 #include "autoptr.h" 00028 #include "flint_database.h" 00029 #include "leafpostlist.h" 00030 00031 class FlintCursor; 00032 00033 class FlintAllDocsPostList : public LeafPostList { 00035 void operator=(const FlintAllDocsPostList &); 00036 00038 FlintAllDocsPostList(const FlintAllDocsPostList &); 00039 00041 PostList * read_did_from_current_key(); 00042 00044 Xapian::Internal::RefCntPtr<const FlintDatabase> db; 00045 00047 Xapian::doccount doccount; 00048 00050 AutoPtr<FlintCursor> cursor; 00051 00053 Xapian::docid current_did; 00054 00055 public: 00056 FlintAllDocsPostList(Xapian::Internal::RefCntPtr<const FlintDatabase> db_, 00057 Xapian::doccount doccount_) 00058 : LeafPostList(std::string()), 00059 db(db_), doccount(doccount_), cursor(db->termlist_table.cursor_get()), 00060 current_did(0) 00061 { 00062 cursor->find_entry(std::string()); 00063 } 00064 00065 Xapian::doccount get_termfreq() const; 00066 00067 Xapian::docid get_docid() const; 00068 00069 Xapian::termcount get_doclength() const; 00070 00071 Xapian::termcount get_wdf() const; 00072 00073 PostList * next(Xapian::weight w_min); 00074 00075 PostList * skip_to(Xapian::docid desired_did, Xapian::weight w_min); 00076 00077 bool at_end() const; 00078 00079 std::string get_description() const; 00080 }; 00081 00082 #endif // XAPIAN_INCLUDED_FLINT_ALLDOCSPOSTLIST_H