Merge remote-tracking branch 'upstream/master'

[nominatim.git] / lib / lib.php

diff --git a/lib/lib.php b/lib/lib.php
index e4a343d15eb8cab208913e56bf17ca5804da4e66..9bf15964bd9410397d3f91ae4cafdd1e3447f3f4 100644 (file)
--- a/lib/lib.php
+++ b/lib/lib.php
@@ -60,54 +60,6 @@ function byImportance($a, $b)
 }
 
 
-function getWordSets($aWords, $iDepth)
-{
-    $aResult = array(array(join(' ', $aWords)));
-    $sFirstToken = '';
-    if ($iDepth < 7) {
-        while (sizeof($aWords) > 1) {
-            $sWord = array_shift($aWords);
-            $sFirstToken .= ($sFirstToken?' ':'').$sWord;
-            $aRest = getWordSets($aWords, $iDepth+1);
-            foreach ($aRest as $aSet) {
-                $aResult[] = array_merge(array($sFirstToken), $aSet);
-            }
-        }
-    }
-    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)
-{
-    $aTokens = array();
-    foreach ($aSets as $aSet) {
-        foreach ($aSet as $sWord) {
-            $aTokens[' '.$sWord] = ' '.$sWord;
-            $aTokens[$sWord] = $sWord;
-        }
-    }
-    return $aTokens;
-}
-
-
 function getClassTypes()
 {
     return array(
@@ -663,3 +615,23 @@ function createPointsAroundCenter($fLon, $fLat, $fRadius)
     }
     return $aPolyPoints;
 }
+
+function closestHouseNumber($aRow)
+{
+    $fHouse = $aRow['startnumber']
+                + ($aRow['endnumber'] - $aRow['startnumber']) * $aRow['fraction'];
+
+    switch ($aRow['interpolationtype']) {
+        case 'odd':
+            $iHn = (int)($fHouse/2) * 2 + 1;
+            break;
+        case 'even':
+            $iHn = (int)(round($fHouse/2)) * 2;
+            break;
+        default:
+            $iHn = (int)(round($fHouse));
+            break;
+    }
+
+    return max(min($aRow['endnumber'], $iHn), $aRow['startnumber']);
+}