Merge remote-tracking branch 'lonvia/inverse-query-II'

[nominatim.git] / lib / lib.php

diff --git a/lib/lib.php b/lib/lib.php
index 1b499005d7d73ffa40f9b37a70a569859049d928..25282756ad3e99baa0455c5194e49268914dad16 100644 (file)
--- a/lib/lib.php
+++ b/lib/lib.php
@@ -178,7 +178,7 @@
        {
                $aResult = array(array(join(' ',$aWords)));
                $sFirstToken = '';
-               if ($iDepth < 8) {
+               if ($iDepth < 7) {
                        while(sizeof($aWords) > 1)
                        {
                                $sWord = array_shift($aWords);
@@ -193,6 +193,26 @@
                return $aResult;
        }
 
+       function getInverseWordSets($aWords, $iDepth)
+       {
+               $aResult = array(array(join(' ',$aWords)));
+               $sFirstToken = '';
+               if ($iDepth < 8)
+               {
+                       while(sizeof($aWords) > 1)
+                       {
+                               $sWord = array_pop($aWords);
+                               $sFirstToken = $sWord.($sFirstToken?' ':'').$sFirstToken;
+                               $aRest = getInverseWordSets($aWords, $iDepth+1);
+                               foreach($aRest as $aSet)
+                               {
+                                       $aResult[] = array_merge(array($sFirstToken),$aSet);
+                               }
+                       }
+               }
+               return $aResult;
+       }
+
 
        function getTokensFromSets($aSets)
        {
@@ -627,7 +647,7 @@
 
  'place:houses' => array('label'=>'Houses','frequency'=>85,'icon'=>'',),
  'railway:preserved' => array('label'=>'Preserved','frequency'=>227,'icon'=>'',),
- 'waterway:derelict canal' => array('label'=>'Derelict Canal','frequency'=>21,'icon'=>'',),
+ 'waterway:derelict_canal' => array('label'=>'Derelict Canal','frequency'=>21,'icon'=>'',),
  'amenity:dead_pub' => array('label'=>'Dead Pub','frequency'=>20,'icon'=>'',),
  'railway:disused_station' => array('label'=>'Disused Station','frequency'=>114,'icon'=>'',),
  'railway:abandoned' => array('label'=>'Abandoned','frequency'=>641,'icon'=>'',),