mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-11-24 06:22:08 +03:00
231 lines
8.3 KiB
PHP
231 lines
8.3 KiB
PHP
<?php
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function fail($sError, $sUserError = false)
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{
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if (!$sUserError) $sUserError = $sError;
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error_log('ERROR: '.$sError);
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echo $sUserError."\n";
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exit(-1);
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}
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function getProcessorCount()
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{
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$sCPU = file_get_contents('/proc/cpuinfo');
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preg_match_all('#processor\s+: [0-9]+#', $sCPU, $aMatches);
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return count($aMatches[0]);
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}
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function getTotalMemoryMB()
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{
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$sCPU = file_get_contents('/proc/meminfo');
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preg_match('#MemTotal: +([0-9]+) kB#', $sCPU, $aMatches);
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return (int)($aMatches[1]/1024);
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}
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function getCacheMemoryMB()
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{
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$sCPU = file_get_contents('/proc/meminfo');
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preg_match('#Cached: +([0-9]+) kB#', $sCPU, $aMatches);
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return (int)($aMatches[1]/1024);
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}
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function getDatabaseDate(&$oDB)
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{
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// Find the newest node in the DB
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$iLastOSMID = $oDB->getOne("select max(osm_id) from place where osm_type = 'N'");
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// Lookup the timestamp that node was created
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$sLastNodeURL = 'https://www.openstreetmap.org/api/0.6/node/'.$iLastOSMID.'/1';
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$sLastNodeXML = file_get_contents($sLastNodeURL);
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if ($sLastNodeXML === false) {
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return false;
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}
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preg_match('#timestamp="(([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})Z)"#', $sLastNodeXML, $aLastNodeDate);
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return $aLastNodeDate[1];
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}
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function byImportance($a, $b)
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{
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if ($a['importance'] != $b['importance'])
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return ($a['importance'] > $b['importance']?-1:1);
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return ($a['foundorder'] < $b['foundorder']?-1:1);
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}
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function javascript_renderData($xVal, $iOptions = 0)
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{
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$sCallback = isset($_GET['json_callback']) ? $_GET['json_callback'] : '';
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if ($sCallback && !preg_match('/^[$_\p{L}][$_\p{L}\p{Nd}.[\]]*$/u', $sCallback)) {
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// Unset, we call javascript_renderData again during exception handling
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unset($_GET['json_callback']);
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throw new Exception('Invalid json_callback value', 400);
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}
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$iOptions |= JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES;
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if (isset($_GET['pretty']) && in_array(strtolower($_GET['pretty']), array('1', 'true'))) {
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$iOptions |= JSON_PRETTY_PRINT;
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}
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$jsonout = json_encode($xVal, $iOptions);
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if ($sCallback) {
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header('Content-Type: application/javascript; charset=UTF-8');
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echo $_GET['json_callback'].'('.$jsonout.')';
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} else {
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header('Content-Type: application/json; charset=UTF-8');
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echo $jsonout;
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}
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}
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function addQuotes($s)
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{
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return "'".$s."'";
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}
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function parseLatLon($sQuery)
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{
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$sFound = null;
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$fQueryLat = null;
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$fQueryLon = null;
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if (preg_match('/\\s*([NS])[ ]+([0-9]+[0-9.]*)[° ]+([0-9.]+)?[′\']*[, ]+([EW])[ ]+([0-9]+)[° ]+([0-9]+[0-9.]*)[′\']*\\s*/', $sQuery, $aData)) {
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/* 1 2 3 4 5 6
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* degrees decimal minutes
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* N 40 26.767, W 79 58.933
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* N 40°26.767′, W 79°58.933′
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*/
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$sFound = $aData[0];
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$fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
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$fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
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} elseif (preg_match('/\\s*([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\']*[ ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\' ]+([EW])\\s*/', $sQuery, $aData)) {
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/* 1 2 3 4 5 6
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* degrees decimal minutes
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* 40 26.767 N, 79 58.933 W
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* 40° 26.767′ N 79° 58.933′ W
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*/
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$sFound = $aData[0];
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$fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
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$fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
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} elseif (preg_match('/\\s*([NS])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*[, ]+([EW])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*\\s*/', $sQuery, $aData)) {
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/* 1 2 3 4 5 6 7 8
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* degrees decimal seconds
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* N 40 26 46 W 79 58 56
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* N 40° 26′ 46″, W 79° 58′ 56″
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*/
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$sFound = $aData[0];
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$fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60 + $aData[4]/3600);
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$fQueryLon = ($aData[5]=='E'?1:-1) * ($aData[6] + $aData[7]/60 + $aData[8]/3600);
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} elseif (preg_match('/\\s*([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+[0-9.]*)[″" ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+[0-9.]*)[″" ]+([EW])\\s*/', $sQuery, $aData)) {
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/* 1 2 3 4 5 6 7 8
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* degrees decimal seconds
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* 40 26 46 N 79 58 56 W
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* 40° 26′ 46″ N, 79° 58′ 56″ W
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* 40° 26′ 46.78″ N, 79° 58′ 56.89″ W
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*/
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$sFound = $aData[0];
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$fQueryLat = ($aData[4]=='N'?1:-1) * ($aData[1] + $aData[2]/60 + $aData[3]/3600);
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$fQueryLon = ($aData[8]=='E'?1:-1) * ($aData[5] + $aData[6]/60 + $aData[7]/3600);
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} elseif (preg_match('/\\s*([NS])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*[, ]+([EW])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*\\s*/', $sQuery, $aData)) {
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/* 1 2 3 4
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* degrees decimal
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* N 40.446° W 79.982°
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*/
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$sFound = $aData[0];
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$fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2]);
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$fQueryLon = ($aData[3]=='E'?1:-1) * ($aData[4]);
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} elseif (preg_match('/\\s*([0-9]+[0-9]*\\.[0-9]+)[° ]+([NS])[, ]+([0-9]+[0-9]*\\.[0-9]+)[° ]+([EW])\\s*/', $sQuery, $aData)) {
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/* 1 2 3 4
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* degrees decimal
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* 40.446° N 79.982° W
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*/
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$sFound = $aData[0];
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$fQueryLat = ($aData[2]=='N'?1:-1) * ($aData[1]);
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$fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[3]);
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} elseif (preg_match('/(\\s*\\[|^\\s*|\\s*)(-?[0-9]+[0-9]*\\.[0-9]+)[, ]+(-?[0-9]+[0-9]*\\.[0-9]+)(\\]\\s*|\\s*$|\\s*)/', $sQuery, $aData)) {
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/* 1 2 3 4
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* degrees decimal
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* 12.34, 56.78
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* 12.34 56.78
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* [12.456,-78.90]
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*/
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$sFound = $aData[0];
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$fQueryLat = $aData[2];
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$fQueryLon = $aData[3];
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} else {
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return false;
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}
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return array($sFound, $fQueryLat, $fQueryLon);
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}
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function geometryText2Points($geometry_as_text, $fRadius)
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{
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$aPolyPoints = null;
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if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch)) {
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//
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preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
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//
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} elseif (preg_match('#LINESTRING\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch)) {
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//
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preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
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//
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} elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch)) {
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//
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preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
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//
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} elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#', $geometry_as_text, $aMatch)) {
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//
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$aPolyPoints = createPointsAroundCenter($aMatch[1], $aMatch[2], $fRadius);
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//
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}
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if (isset($aPolyPoints)) {
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$aResultPoints = array();
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foreach ($aPolyPoints as $aPoint) {
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$aResultPoints[] = array($aPoint[1], $aPoint[2]);
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}
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return $aResultPoints;
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}
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return;
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}
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function createPointsAroundCenter($fLon, $fLat, $fRadius)
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{
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$iSteps = max(8, min(100, ($fRadius * 40000)^2));
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$fStepSize = (2*pi())/$iSteps;
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$aPolyPoints = array();
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for ($f = 0; $f < 2*pi(); $f += $fStepSize) {
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$aPolyPoints[] = array('', $fLon+($fRadius*sin($f)), $fLat+($fRadius*cos($f)) );
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}
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return $aPolyPoints;
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}
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function closestHouseNumber($aRow)
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{
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$fHouse = $aRow['startnumber']
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+ ($aRow['endnumber'] - $aRow['startnumber']) * $aRow['fraction'];
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switch ($aRow['interpolationtype']) {
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case 'odd':
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$iHn = (int)($fHouse/2) * 2 + 1;
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break;
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case 'even':
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$iHn = (int)(round($fHouse/2)) * 2;
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break;
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default:
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$iHn = (int)(round($fHouse));
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break;
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}
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return max(min($aRow['endnumber'], $iHn), $aRow['startnumber']);
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}
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