matcher/msetcmp.h

Go to the documentation of this file.
00001 /* msetcmp.h - MSetItem comparison functions and functors.
00002  *
00003  * Copyright (C) 2006,2007 Olly Betts
00004  *
00005  * This program is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU General Public License as
00007  * published by the Free Software Foundation; either version 2 of the
00008  * License, or (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
00018  * USA
00019  */
00020 
00021 
00022 #ifndef XAPIAN_INCLUDED_MSETCMP_H
00023 #define XAPIAN_INCLUDED_MSETCMP_H
00024 
00025 #include "omenquireinternal.h"
00026 
00027 // typedef for MSetItem comparison function.
00028 typedef bool (* mset_cmp)(const Xapian::Internal::MSetItem &,
00029                           const Xapian::Internal::MSetItem &);
00030 
00032 mset_cmp get_msetcmp_function(Xapian::Enquire::Internal::sort_setting sort_by, bool sort_forward, bool sort_value_forward);
00033 
00035 class MSetCmp {
00036     mset_cmp fn;
00037   public:
00038     MSetCmp(mset_cmp fn_) : fn(fn_) { }
00040     bool operator()(const Xapian::Internal::MSetItem &a,
00041                     const Xapian::Internal::MSetItem &b) const {
00042         return fn(a, b);
00043     }
00044 };
00045 
00046 #endif // XAPIAN_INCLUDED_MSETCMP_H

Documentation for Xapian (version 1.0.10).
Generated on 24 Dec 2008 by Doxygen 1.5.2.