00001 00004 /* ----START-LICENCE---- 00005 * Copyright 1999,2000,2001 BrightStation PLC 00006 * Copyright 2003 Olly Betts 00007 * 00008 * This program is free software; you can redistribute it and/or 00009 * modify it under the terms of the GNU General Public License as 00010 * published by the Free Software Foundation; either version 2 of the 00011 * License, or (at your option) any later version. 00012 * 00013 * This program is distributed in the hope that it will be useful, 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 * GNU General Public License for more details. 00017 * 00018 * You should have received a copy of the GNU General Public License 00019 * along with this program; if not, write to the Free Software 00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00021 * USA 00022 * -----END-LICENCE----- 00023 */ 00024 00025 #ifndef XAPIAN_INCLUDED_EXPANDDECIDER_H 00026 #define XAPIAN_INCLUDED_EXPANDDECIDER_H 00027 00028 #include <set> 00029 00030 #include <xapian/enquire.h> 00031 00032 namespace Xapian { 00033 00037 class ExpandDeciderFilterTerms : public ExpandDecider { 00038 public: 00042 ExpandDeciderFilterTerms(Xapian::TermIterator terms, 00043 Xapian::TermIterator termsend); 00044 00045 virtual int operator()(const std::string &tname) const; 00046 private: 00047 std::set<std::string> tset; 00048 }; 00049 00053 class ExpandDeciderAnd : public ExpandDecider { 00054 public: 00059 ExpandDeciderAnd(const ExpandDecider *left_, 00060 const ExpandDecider *right_); 00061 00062 virtual int operator()(const std::string &tname) const; 00063 00064 private: 00065 const ExpandDecider *left; 00066 const ExpandDecider *right; 00067 }; 00068 00069 } 00070 00071 #endif /* XAPIAN_INCLUDED_EXPANDDECIDER_H */