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GeezerVison is showing github.com — share.mapbbcode.org/mapbbcode.php at master · MapBBCode/share.mapbbcode.org

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mapbbcode.php

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<?php // This is a port of MapBBCode.js
function get_mapbbcode_regexp() {
$re = array();
$re['coord'] = '\\s*(-?\\d+(?:\\.\\d+)?)\\s*,\\s*(-?\\d+(?:\\.\\d+)?)';
$re['params'] = '\\((?:([a-zA-Z0-9,]*)\\|)?(|[\\s\\S]*?[^\\\\])\\)';
$re['mapel'] = $re['coord'].'(?:'.$re['coord'].')*(?:\\s*'.$re['params'].')?';
$re['maptag'] = '\\[map(?:=([12]?\\d)(?:,'.$re['coord'].')?)?\\]';
$re['map'] = $re['maptag'].'('.$re['mapel'].'(?:\\s*;'.$re['mapel'].')*)?\\s*\\[\\/map\\]';
return $re;
}
function is_mapbbcode_valid( $bbcode ) {
$re = get_mapbbcode_regexp();
return preg_match('/'.$re['map'].'/', bbcode);
}
function mapbbcode_stats( $bbcode ) {
$re = get_mapbbcode_regexp();
$cnt = array(0, 0, 0);
if( !preg_match('/'.$re['map'].'/', $bbcode, $m ) )
return $cnt;
if( count($m) > 4 ) {
$items = explode(';', str_replace(';;', '##%##', $m[4]));
foreach( $items as $s ) {
$s = str_replace('##%##',';', $s);
$coords = 0;
$first;
$eqfirst = false;
$hnc = preg_match('/^'.$re['coord'].'/', $s, $mc);
while( $hnc ) {
$coords++;
$c = array((float)$mc[1], (float)$mc[2]);
if( !isset($first) )
$first = $c;
else
$eqfirst = $c[0] == $first[0] && $c[1] == $first[1];
$s = substr($s, strlen($mc[0]));
$hnc = preg_match('/^'.$re['coord'].'/', $s, $mc);
}
if( $coords == 1 )
$cnt[0]++;
elseif( $coords > 1 && !$eqfirst )
$cnt[1]++;
elseif( $coords > 1 && $eqfirst )
$cnt[2]++;
}
}
return $cnt;
}
function mapbbcode_to_array( $bbcode ) {
$re = get_mapbbcode_regexp();
$result = array();
if( !preg_match('/'.$re['map'].'/', $bbcode, $m ) )
return $result;
if( count($m) > 1 && $m[1] > 0 ) {
$result['zoom'] = (int)$m[1];
if( count($m) > 3 && strlen($m[2]) > 0 && strlen($m[3]) > 0 ) {
$result['pos'] = array((float)$m[2], (float)$m[3]);
}
}
if( count($m) > 4 ) {
$items = $m[4];
while( preg_match('/^\\s*(?:;\\s*)?('.$re['mapel'].')/', $items, $itm) ) {
$s = $itm[1];
$coords = array();
$params = array();
$text = '';
$hnc = preg_match('/^'.$re['coord'].'/', $s, $mc);
while( $hnc ) {
$coords[] = array((float)$mc[1], (float)$mc[2]);
$s = substr($s, strlen($mc[0]));
$hnc = preg_match('/^'.$re['coord'].'/', $s, $mc);
}
if( count($itm) > 6 && strlen($itm[6]) > 0 )
$params = explode(',', $itm[6]);
if( count($itm) > 7 && strlen(trim($itm[7])) > 0 )
$text = trim(str_replace('\\)', ')', $itm[7]));
$result['objs'][] = array('coords' => $coords, 'text' => $text, 'params' => $params);
$items = substr($items, strlen($itm[0]));
}
}
return $result;
}
function array_to_mapbbcode( $data ) {
$mapdata = '';
if( isset($data['zoom']) && $data['zoom'] > 0 ) {
$mapdata = '='.$data['zoom'];
if( isset($data['pos']) && count($data['pos']) == 2 ) {
$mapdata .= ','.latlng_to_string($data['pos']);
}
}
$markers = array();
$paths = array();
$objs = isset($data['objs']) && is_array($data['objs']) ? $data['objs'] : array();
foreach( $objs as $obj ) {
$coords = $obj['coords'];
for( $i = 0; $i < count($coords); $i++ )
$coords[$i] = latlng_to_string($coords[$i]);
$str = implode(' ', $coords);
$text = isset($obj['text']) ? $obj['text'] : '';
$params = isset($obj['params']) && is_array($obj['params']) ? $obj['params'] : array();
if( strpos($text, '|') !== false && count($params) == 0 )
$text = '|'.$text;
if( strlen($text) > 0 || count($params) > 0 ) {
$str .= '(';
if( count($params) > 0 )
$str .= implode(',', $params).'|';
$str .= str_replace(')', '\\)', $text).')';
}
if( count($coords) == 1 )
$markers[] = $str;
elseif( count($coords) > 1 )
$paths[] = $str;
}
return count($markers) > 0 || count($paths) > 0 || strlen($mapdata) > 0 ? '[map'.$mapdata.']'.implode(';', array_merge($markers, $paths)).'[/map]' : '';
}
function latlng_to_string( $latlng ) {
return number_format($latlng[0], 5, '.', '').','.number_format($latlng[1], 5, '.', '');
}
function merge_mapbbcode( $bbcode1, $bbcode2 ) {
$re = get_mapbbcode_regexp();
if( !preg_match('/'.$re['map'].'/', $bbcode1, $m1) )
return $bbcode2;
if( !preg_match('/'.$re['map'].'/', $bbcode2, $m2) )
return $bbcode1;
$bb1 = count($m1) > 4 ? $m1[4] : '';
$bb2 = count($m2) > 4 ? ';'.$m2[4] : '';
return '[map]'.$bb1.$bb2.'[/map]';
}
?>
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