diff options
Diffstat (limited to 'debian/htdig/htdig-3.2.0b6/htsearch/NearQuery.h')
| -rw-r--r-- | debian/htdig/htdig-3.2.0b6/htsearch/NearQuery.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/debian/htdig/htdig-3.2.0b6/htsearch/NearQuery.h b/debian/htdig/htdig-3.2.0b6/htsearch/NearQuery.h new file mode 100644 index 00000000..77de762b --- /dev/null +++ b/debian/htdig/htdig-3.2.0b6/htsearch/NearQuery.h @@ -0,0 +1,50 @@ +#ifndef _NearQuery_h_ +#define _NearQuery_h_ + +// +// NearQuery.h +// +// NearQuery: An operator query that filters matches by proximity. +// +// Part of the ht://Dig package <http://www.htdig.org/> +// Copyright (c) 1995-2004 The ht://Dig Group +// For copyright details, see the file COPYING in your distribution +// or the GNU Library General Public License (LGPL) version 2 or later +// <http://www.gnu.org/copyleft/lgpl.html> +// +// $Id: NearQuery.h,v 1.4 2004/05/28 13:15:24 lha Exp $ +// + +#ifdef HAVE_CONFIG_H +#include "htconfig.h" +#endif + +#include "OperatorQuery.h" + +class NearQuery : public OperatorQuery +{ +public: + // binary fashion + NearQuery(Query *left, Query *right, unsigned int dist) : + distance(dist) + { Add(left); Add(right); } + + // n-ary fashion -- will ignore operands for n>2 + NearQuery(unsigned int dist = 10) : + distance(dist) {} + +private: + // get results from operands and filter + ResultList *Evaluate(); + + // create a result with neighboring matches + ResultList *Near(const ResultList &, const ResultList &); + + // merge neighboring location lists + List *MergeLocations(const List &, const List &); + + String OperatorString() const; + unsigned int distance; +}; + +#endif |