xref: /dokuwiki/inc/StyleUtils.php (revision fb1f9089ad53554574c96fe6f86cc029958f87e4) 
1<?php
2
3namespace dokuwiki;
4
5class StyleUtils
6{
7    /**
8     * Load style ini contents
9     *
10     * Loads and merges style.ini files from template and config and prepares
11     * the stylesheet modes
12     *
13     * @author Andreas Gohr <andi@splitbrain.org>
14     *
15     * @param string $tpl the used template
16     * @param bool   $preview load preview replacements
17     * @return array with keys 'stylesheets' and 'replacements'
18     */
19    public function cssStyleini($tpl, $preview=false) {
20        global $conf;
21
22        $stylesheets = array(); // mode, file => base
23        // guaranteed placeholder => value
24        $replacements = array(
25            '__text__' => "#000",
26            '__background__' => "#fff",
27            '__text_alt__' => "#999",
28            '__background_alt__' => "#eee",
29            '__text_neu__' => "#666",
30            '__background_neu__' => "#ddd",
31            '__border__' => "#ccc",
32            '__highlight__' => "#ff9",
33            '__link__' => "#00f",
34        );
35
36        // load template's style.ini
37        $incbase = tpl_incdir($tpl);
38        $webbase = tpl_basedir($tpl);
39        $ini = $incbase.'style.ini';
40        if(file_exists($ini)){
41            $data = parse_ini_file($ini, true);
42
43            // stylesheets
44            if(is_array($data['stylesheets'])) foreach($data['stylesheets'] as $file => $mode){
45                $stylesheets[$mode][$incbase.$file] = $webbase;
46            }
47
48            // replacements
49            if(is_array($data['replacements'])){
50                $replacements = array_merge($replacements, $this->cssFixreplacementurls($data['replacements'],$webbase));
51            }
52        }
53
54        // load configs's style.ini
55        $webbase = DOKU_BASE;
56        $ini = DOKU_CONF."tpl/$tpl/style.ini";
57        $incbase = dirname($ini).'/';
58        if(file_exists($ini)){
59            $data = parse_ini_file($ini, true);
60
61            // stylesheets
62            if(isset($data['stylesheets']) && is_array($data['stylesheets'])) foreach($data['stylesheets'] as $file => $mode){
63                $stylesheets[$mode][$incbase.$file] = $webbase;
64            }
65
66            // replacements
67            if(isset($data['replacements']) && is_array($data['replacements'])){
68                $replacements = array_merge($replacements, $this->cssFixreplacementurls($data['replacements'],$webbase));
69            }
70        }
71
72        // allow replacement overwrites in preview mode
73        if($preview) {
74            $webbase = DOKU_BASE;
75            $ini     = $conf['cachedir'].'/preview.ini';
76            if(file_exists($ini)) {
77                $data = parse_ini_file($ini, true);
78                // replacements
79                if(is_array($data['replacements'])) {
80                    $replacements = array_merge($replacements, $this->cssFixreplacementurls($data['replacements'], $webbase));
81                }
82            }
83        }
84
85        return array(
86            'stylesheets' => $stylesheets,
87            'replacements' => $replacements
88        );
89    }
90
91
92    /**
93     * Amend paths used in replacement relative urls, refer FS#2879
94     *
95     * @author Chris Smith <chris@jalakai.co.uk>
96     *
97     * @param array $replacements with key-value pairs
98     * @param string $location
99     * @return array
100     */
101    protected function cssFixreplacementurls($replacements, $location) {
102        foreach($replacements as $key => $value) {
103            $replacements[$key] = preg_replace('#(url\([ \'"]*)(?!/|data:|http://|https://| |\'|")#','\\1'.$location,$value);
104        }
105        return $replacements;
106    }
107}
108