00001 00004 /* Copyright (C) 2007,2008 Olly Betts 00005 * 00006 * This program is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU General Public License as 00008 * published by the Free Software Foundation; either version 2 of the 00009 * License, or (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #ifndef XAPIAN_INCLUDED_CHERT_VALUELIST_H 00022 #define XAPIAN_INCLUDED_CHERT_VALUELIST_H 00023 00024 #include "valuelist.h" 00025 #include "chert_values.h" 00026 00027 class ChertCursor; 00028 class ChertDatabase; 00029 00031 class ChertValueList : public Xapian::ValueIterator::Internal { 00033 void operator=(const ChertValueList &); 00034 00036 ChertValueList(const ChertValueList &); 00037 00038 ChertCursor * cursor; 00039 00040 ValueChunkReader reader; 00041 00042 Xapian::valueno slot; 00043 00044 Xapian::Internal::RefCntPtr<const ChertDatabase> db; 00045 00047 bool update_reader(); 00048 00049 public: 00050 ChertValueList(Xapian::valueno slot_, 00051 Xapian::Internal::RefCntPtr<const ChertDatabase> db_) 00052 : cursor(NULL), slot(slot_), db(db_) { } 00053 00054 ~ChertValueList(); 00055 00056 Xapian::docid get_docid() const; 00057 00058 Xapian::valueno get_valueno() const; 00059 00060 std::string get_value() const; 00061 00062 bool at_end() const; 00063 00064 void next(); 00065 00066 void skip_to(Xapian::docid); 00067 00068 bool check(Xapian::docid did); 00069 00070 std::string get_description() const; 00071 }; 00072 00073 #endif // XAPIAN_INCLUDED_CHERT_VALUELIST_H