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<?php
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// $Id: gmap_markerinfo.inc,v 1.2 2008/07/15 16:30:29 bdragon Exp $
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/**
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* @file
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* GMap marker information routines.
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*
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* This file is pulled in whenever we need to refresh the marker information
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* and marker name caches.
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*/
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/**
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* Get marker icon data for constructing json object.
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*/
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function _gmap_get_icondata() {
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$icons = array();
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$imagetypes = array(
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'shadow',
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'printImage',
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'mozPrintImage',
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'printShadow',
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'transparent',
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);
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$markerdir = variable_get('gmap_markerfiles', drupal_get_path('module', 'gmap') .'/markers');
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// The following routines are designed to be easy to comprehend, not fast.
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// This whole process gets cached.
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// Get the ini files.
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$inifiles = file_scan_directory($markerdir, '.*\.ini$');
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// Parse the ini files and store by path
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$inis = array();
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foreach ($inifiles as $file) {
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$path = substr($file->filename, strlen($markerdir), -strlen($file->basename));
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if (!isset($inis[$path])) {
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$inis[$path] = array();
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}
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$inis[$path][] = parse_ini_file($file->filename, TRUE);
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}
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unset($inifiles);
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// Per directory..
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foreach ($inis as $path => $path_inis) {
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$icons[$path] = array(
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'tempf' => array(),
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'f' => array(),
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'w' => array(),
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'h' => array(),
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'i' => array(), // Sets of sets
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);
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// Part 1: Collect image names
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$filenames = array();
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foreach ($path_inis as $ini) {
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foreach ($ini as $k => $v) {
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// Is this definition for an icon? (anything with a dot is a file)
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if (strpos($k, '.') !== FALSE) {
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// Add the icon name.
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$filenames[$k] = TRUE;
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}
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else {
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// Shadow / alternate search
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foreach ($imagetypes as $check) {
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if (isset($v[$check])) {
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$filenames[$v[$check]] = TRUE;
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}
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}
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// A sequence is a list of image names.
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if (isset($v['sequence'])) {
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foreach (explode(',', $v['sequence']) as $f) {
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$filenames[trim($f)] = TRUE;
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}
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}
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}
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}
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}
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$icons[$path]['tempf'] = $filenames;
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}
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unset($filenames);
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// Part 2: Assign ids, get width and height
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foreach ($icons as $path => $v) {
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$counter = 0;
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foreach ($icons[$path]['tempf'] as $filename => $fv) {
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// Skip empty filenames to avoid warnings.
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if (empty($filename)) {
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continue;
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}
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$size = getimagesize($markerdir . $path . $filename);
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$icons[$path]['f'][$counter] = $filename;
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$icons[$path]['w'][$counter] = $size[0];
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$icons[$path]['h'][$counter] = $size[1];
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// Store an index under tempf for the next part...
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$icons[$path]['tempf'][$filename] = $counter;
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$counter++;
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}
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_gmap_compress_array($icons[$path]['w']);
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_gmap_compress_array($icons[$path]['h']);
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}
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// Part 3: Main ini parsing
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// Per directory...
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foreach ($inis as $path => $path_inis) {
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// Per file...
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foreach ($path_inis as $ini) {
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// Compression.
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foreach ($ini as $k => $v) {
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// Compress sequence filenames.
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if (isset($ini[$k]['sequence'])) {
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$temp = array();
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foreach (explode(',', $ini[$k]['sequence']) as $file) {
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$temp[] = $icons[$path]['tempf'][$file];
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}
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$ini[$k]['sequence'] = $temp;
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}
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// Compress other image field filenames.
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foreach ($imagetypes as $t) {
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if (isset($ini[$k][$t])) {
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$ini[$k][$t] = $icons[$path]['tempf'][$ini[$k][$t]];
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}
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}
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// Setup key for compression
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$ini[$k]['key'] = $k;
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}
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$mv = array();
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$iv = array();
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if (isset($ini['defaults'])) {
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$mv[0] = $ini['defaults'];
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unset($ini['defaults']);
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}
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else {
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$mv[0] = array();
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}
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foreach ($ini as $k => $v) {
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if (strpos($k, '.') === FALSE) {
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$mv[] = $ini[$k];
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}
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else {
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$iv[] = $ini[$k];
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}
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}
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$icons[$path]['i'][] = array(
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_gmap_compress_icon_def($mv),
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_gmap_compress_icon_def($iv),
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);
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}
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}
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foreach ($icons as $path => $v) {
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unset($icons[$path]['tempf']);
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}
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return $icons;
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}
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/**
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* Make a compressed definition.
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* A series of arrays with trailing holes allowed.
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* Any missing values at the end of subarrays
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* are equal to the last defined value.
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*/
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function _gmap_compress_icon_def($iconset) {
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$order = array(
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'key', 'name', 'sequence', 'anchorX', 'anchorY',
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'infoX', 'infoY', 'shadow', 'printImage', 'mozPrintImage',
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'printShadow', 'transparent',
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);
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$ints = array(3 => TRUE, 4 => TRUE, 5 => TRUE, 6 => TRUE);
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$nulls = array('', '', array(), 0, 0, 0, 0, '', '', '', '', '', );
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$a = array();
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for ($c0 = 0; $c0<count($order); $c0++) {
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$a[$c0] = array();
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for ($c1=0; $c1<count($iconset); $c1++) {
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$temp = isset($iconset[$c1][$order[$c0]]) ? $iconset[$c1][$order[$c0]] : $nulls[$c0];
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// Ensure that numeric quantities are encoded as ints, not strings.
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if (isset($ints[$c0])) {
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$temp = (int)$temp;
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}
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$a[$c0][$c1] = $temp;
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}
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_gmap_compress_array($a[$c0]);
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}
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for ($c0--;$c0>=0;$c0--) {
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if ($a[$c0] === array($nulls[$c0])) {
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unset($a[$c0]);
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}
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else {
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break;
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}
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}
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return $a;
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}
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/**
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* Remove trailing duplicates from an array.
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*/
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function _gmap_compress_array(&$arr) {
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if (empty($arr)) {
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return;
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}
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$c = count($arr) - 1;
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// Walk backwards and unset duplicates...
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for ($cval = $arr[$c]; $c>0; $c--) {
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if ($arr[$c-1]==$cval) {
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unset($arr[$c]);
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}
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else {
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// .. until we hit a different number.
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break;
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}
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}
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}
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function _gmap_get_marker_titles() {
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$markerdir = variable_get('gmap_markerfiles', drupal_get_path('module', 'gmap') .'/markers');
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// The following routines are designed to be easy to comprehend, not fast.
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// This whole process gets cached.
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// Get the ini files.
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$inifiles = file_scan_directory($markerdir, '.*\.ini$');
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// Parse the ini files and store by path
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$inis = array();
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foreach ($inifiles as $file) {
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$data = parse_ini_file($file->filename, TRUE);
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if (isset($data['defaults'])) {
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// Ignore defaults
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unset($data['defaults']);
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}
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foreach ($data as $k => $v) {
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if (strpos($k, '.') !== FALSE) {
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// Ignore files
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unset($data[$k]);
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}
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}
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$inis[] = $data;
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}
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unset($inifiles);
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$titles = array();
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foreach ($inis as $ini => $inidata) {
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foreach ($inidata as $k => $v) {
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$titles[$k] = $inis[$ini][$k]['name'];
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}
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}
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return $titles;
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}
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