[phpwiki-checkins] CVS: phpwiki/lib TextSearchQuery.php,1.2,1.3

[Geoffrey T. D. <da...@us...>]

Update of /cvsroot/phpwiki/phpwiki/lib
In directory usw-pr-cvs1:/tmp/cvs-serv25218/lib

Modified Files:
	TextSearchQuery.php 
Log Message:
New convenience class NullTextSearchQuery: a TextSearchQuery
which doesn't match anything.


Index: TextSearchQuery.php
===================================================================
RCS file: /cvsroot/phpwiki/phpwiki/lib/TextSearchQuery.php,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -r1.2 -r1.3
*** TextSearchQuery.php	2001/11/21 19:48:15	1.2
--- TextSearchQuery.php	2001/12/16 19:35:12	1.3
***************
*** 171,174 ****
--- 171,191 ----
  }
  
+ /**
+  * This is a TextSearchQuery which matches nothing.
+  */
+ class NullTextSearchQuery extends TextSearchQuery {
+     /**
+      * Create a new query.
+      *
+      * @see TextSearchQuery
+      */
+     function NullTextSearchQuery() {}
+     function asRegexp()		{ return '/^(?!a)a/x'; }
+     function match($string)	{ return false; }
+     function getHighlightRegexp() { return ""; }
+     function makeSqlClause($make_sql_clause_cb) { return "(1 = 0)"; }
+     function asString() { return "NullTextSearchQuery"; }
+ };
+ 
  
  ////////////////////////////////////////////////////////////////