lib/exe/css.php ➔ css_out()

Complexity

Conditions	19
Paths	12096

Size

Total Lines	131
Code Lines	73

Duplication

Lines	0
Ratio	0 %

<?php
function css_out(){
    global $conf;
    global $lang;
    global $config_cascade;
    global $INPUT;

    if ($INPUT->str('s') == 'feed') {
        $mediatypes = array('feed');
        $type = 'feed';
    } else {
        $mediatypes = array('screen', 'all', 'print');
        $type = '';
    }

    // decide from where to get the template
    $tpl = trim(preg_replace('/[^\w-]+/','',$INPUT->str('t')));
    if(!$tpl) $tpl = $conf['template'];

    // The generated script depends on some dynamic options
    $cache = new cache('styles'.$_SERVER['HTTP_HOST'].$_SERVER['SERVER_PORT'].$INPUT->int('preview').DOKU_BASE.$tpl.$type,'.css');

    // load styl.ini
    $styleini = css_styleini($tpl, $INPUT->bool('preview'));

    // if old 'default' userstyle setting exists, make it 'screen' userstyle for backwards compatibility
    if (isset($config_cascade['userstyle']['default'])) {
        $config_cascade['userstyle']['screen'] = array($config_cascade['userstyle']['default']);
    }

    // cache influencers
    $tplinc = tpl_incdir($tpl);
    $cache_files = getConfigFiles('main');
    $cache_files[] = $tplinc.'style.ini';
    $cache_files[] = DOKU_CONF."tpl/$tpl/style.ini";
    $cache_files[] = __FILE__;
    if($INPUT->bool('preview')) $cache_files[] = $conf['cachedir'].'/preview.ini';

    // Array of needed files and their web locations, the latter ones
    // are needed to fix relative paths in the stylesheets
    $files = array();
    foreach($mediatypes as $mediatype) {
        $files[$mediatype] = array();
        // load core styles
        $files[$mediatype][DOKU_INC.'lib/styles/'.$mediatype.'.css'] = DOKU_BASE.'lib/styles/';

        // load jQuery-UI theme
        if ($mediatype == 'screen') {
            $files[$mediatype][DOKU_INC.'lib/scripts/jquery/jquery-ui-theme/smoothness.css'] = DOKU_BASE.'lib/scripts/jquery/jquery-ui-theme/';
        }
        // load plugin styles
        $files[$mediatype] = array_merge($files[$mediatype], css_pluginstyles($mediatype));
        // load template styles
        if (isset($styleini['stylesheets'][$mediatype])) {
            $files[$mediatype] = array_merge($files[$mediatype], $styleini['stylesheets'][$mediatype]);
        }
        // load user styles
        if(!empty($config_cascade['userstyle'][$mediatype])) {
            foreach($config_cascade['userstyle'][$mediatype] as $userstyle) {
                $files[$mediatype][$userstyle] = DOKU_BASE;
            }
        }

        $cache_files = array_merge($cache_files, array_keys($files[$mediatype]));
    }

    // check cache age & handle conditional request
    // This may exit if a cache can be used
    http_cached($cache->cache,
                $cache->useCache(array('files' => $cache_files)));

    // start output buffering
    ob_start();

    // build the stylesheet
    foreach ($mediatypes as $mediatype) {

        // print the default classes for interwiki links and file downloads
        if ($mediatype == 'screen') {
            print '@media screen {';
            css_interwiki();
            css_filetypes();
            print '}';
        }

        // load files
        $css_content = '';
        foreach($files[$mediatype] as $file => $location){
            $display = str_replace(fullpath(DOKU_INC), '', fullpath($file));
            $css_content .= "\n/* XXXXXXXXX $display XXXXXXXXX */\n";
            $css_content .= css_loadfile($file, $location);
        }
        switch ($mediatype) {
            case 'screen':
                print NL.'@media screen { /* START screen styles */'.NL.$css_content.NL.'} /* /@media END screen styles */'.NL;
                break;
            case 'print':
                print NL.'@media print { /* START print styles */'.NL.$css_content.NL.'} /* /@media END print styles */'.NL;
                break;
            case 'all':
            case 'feed':
            default:
                print NL.'/* START rest styles */ '.NL.$css_content.NL.'/* END rest styles */'.NL;
                break;
        }
    }
    // end output buffering and get contents
    $css = ob_get_contents();
    ob_end_clean();

    // strip any source maps
    stripsourcemaps($css);

    // apply style replacements
    $css = css_applystyle($css, $styleini['replacements']);

    // parse less
    $css = css_parseless($css);

    // compress whitespace and comments
    if($conf['compress']){
        $css = css_compress($css);
    }

    // embed small images right into the stylesheet
    if($conf['cssdatauri']){
        $base = preg_quote(DOKU_BASE,'#');
        $css = preg_replace_callback('#(url\([ \'"]*)('.$base.')(.*?(?:\.(png|gif)))#i','css_datauri',$css);
    }

    http_cached_finish($cache->cache, $css);
}