xos_opal_ThemeFactory::createInstance() - Code Metrics - Inspection of "Merge pull request #729 from geekwright/missingthe..." - XOOPS/XoopsCore25 - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( 28e496...caa3d6 )

by Richard
created 2019-12-04 02:22 UTC
xos_opal_ThemeFactory::createInstance() C

↳ Parent: xos_opal_ThemeFactory
Complexity

Conditions	12
Paths	24
Size

Total Lines	32
Code Lines	22
Duplication

Lines	0
Ratio	0 %
Importance

Changes	1
Bugs	0	Features	0
Metric	Value
eloc	22
c	1
b	0
f	0
dl	0
loc	32
rs	6.9666
cc	12
nc	24
nop	2
How to fix Complexity

<?php
/**
 * xos_opal_Theme component class file
 *
 * You may not change or alter any portion of this comment or credits
 * of supporting developers from this source code or any supporting source code
 * which is considered copyrighted (c) material of the original comment or credit authors.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * @copyright       (c) 2000-2016 XOOPS Project (www.xoops.org)
 * @license             GNU GPL 2 (http://www.gnu.org/licenses/gpl-2.0.html)
 * @author              Skalpa Keo <[email protected]>
 * @author              Taiwen Jiang <[email protected]>
 * @since               2.3.0
 * @package             kernel
 * @subpackage          xos_opal_Theme
 */

use Xmf\Request;

defined('XOOPS_ROOT_PATH') || exit('Restricted access');

/**
 * xos_opal_ThemeFactory
 *
 * @author     Skalpa Keo
 * @package    xos_opal
 * @subpackage xos_opal_Theme
 * @since      2.3.0
 */
class xos_opal_ThemeFactory
{
    public $xoBundleIdentifier = 'xos_opal_ThemeFactory';
    /**
     * Currently enabled themes (if empty, all the themes in themes/ are allowed)
     *
     * @var array
     */
    public $allowedThemes = array();
    /**
     * Default theme to instantiate if none specified
     *
     * @var string
     */
    public $defaultTheme = 'default';
    /**
     * If users are allowed to choose a custom theme
     *
     * @var bool
     */
    public $allowUserSelection = true;

    /**
     * Instantiate the specified theme
     * @param  array $options
     * @param  array $initArgs
     * @return null|xos_opal_Theme
     */
    public function createInstance($options = array(), $initArgs = array())
    {
        // Grab the theme folder from request vars if present
        if (empty($options['folderName'])) {
            if (($req = @$_REQUEST['xoops_theme_select']) && $this->isThemeAllowed($req)) {
                $options['folderName'] = $req;
                if (isset($_SESSION) && $this->allowUserSelection) {
                    $_SESSION[$this->xoBundleIdentifier]['defaultTheme'] = $req;
                }
            } elseif (isset($_SESSION[$this->xoBundleIdentifier]['defaultTheme'])) {
                $options['folderName'] = $_SESSION[$this->xoBundleIdentifier]['defaultTheme'];
            } elseif (empty($options['folderName']) || !$this->isThemeAllowed($options['folderName'])) {
                $options['folderName'] = $this->defaultTheme;
            }
            $GLOBALS['xoopsConfig']['theme_set'] = $options['folderName'];
        }
        if (!(file_exists(XOOPS_THEME_PATH . '/' . $options['folderName'] .'/theme.tpl')
            || file_exists(XOOPS_THEME_PATH . '/' . $options['folderName'] .'/theme.html'))
        ) {
            trigger_error('Theme not found -- ' . $options['folderName']);
            $this->defaultTheme = 'default';
            $options['folderName'] = $this->defaultTheme;
            $GLOBALS['xoopsConfig']['theme_set'] = $options['folderName'];
        }
        $options['path'] = XOOPS_THEME_PATH . '/' . $options['folderName'];
        $inst            = new xos_opal_Theme();
        foreach ($options as $k => $v) {
            $inst->$k = $v;
        }
        $inst->xoInit();

        return $inst;
    }

    /**
     * Checks if the specified theme is enabled or not
     *
     * @param  string $name
     * @return bool
     */
    public function isThemeAllowed($name)
    {
        return (empty($this->allowedThemes) || in_array($name, $this->allowedThemes));
    }
}

/**
 * xos_opal_AdminThemeFactory
 *
 * @author     Andricq Nicolas (AKA MusS)
 * @author     trabis
 * @package    xos_opal
 * @subpackage xos_opal_Theme
 * @since      2.4.0
 */
class xos_opal_AdminThemeFactory extends xos_opal_ThemeFactory
{
    /**
     * @param array $options
     * @param array $initArgs
     *
     * @return null|xos_opal_Theme
     */
    public function &createInstance($options = array(), $initArgs = array())
    {
        $options['plugins']      = array();
        $options['renderBanner'] = false;
        $inst                    = parent::createInstance($options, $initArgs);
        $inst->path              = XOOPS_ADMINTHEME_PATH . '/' . $inst->folderName;
        $inst->url               = XOOPS_ADMINTHEME_URL . '/' . $inst->folderName;
        $inst->template->assign(array(
                                    'theme_path'  => $inst->path,
                                    'theme_tpl'   => $inst->path . '/xotpl',
                                    'theme_url'   => $inst->url,
                                    'theme_img'   => $inst->url . '/img',
                                    'theme_icons' => $inst->url . '/icons',
                                    'theme_css'   => $inst->url . '/css',
                                    'theme_js'    => $inst->url . '/js',
                                    'theme_lang'  => $inst->url . '/language'));

        return $inst;
    }
}

/**
 * Class xos_opal_Theme
 */
class xos_opal_Theme
{
    /**
     * Should we render banner? Not for redirect pages or admin side
     *
     * @var bool
     */
    public $renderBanner = true;
    /**
     * The name of this theme
     *
     * @var string
     */
    public $folderName = '';
    /**
     * Physical path of this theme folder
     *
     * @var string
     */
    public $path = '';
    public $url  = '';

    /**
     * Whether or not the theme engine should include the output generated by php
     *
     * @var string
     */
    public $bufferOutput = true;
    /**
     * Canvas-level template to use
     *
     * @var string
     */
    public $canvasTemplate = 'theme.tpl';

    /**
     * Theme folder path
     *
     * @var string
     */
    public $themesPath = 'themes';

    /**
     * Content-level template to use
     *
     * @var string
     */
    public $contentTemplate = '';

    public $contentCacheLifetime = 0;
    public $contentCacheId;

    /**
     * Text content to display right after the contentTemplate output
     *
     * @var string
     */
    public $content = '';
    /**
     * Page construction plug-ins to use
     *
     * @var array
     * @access public
     */
    public $plugins     = array(
        'xos_logos_PageBuilder');
    public $renderCount = 0;
    /**
     * Pointer to the theme template engine
     *
     * @var XoopsTpl
     */
    public $template = false;

    /**
     * Array containing the document meta-information
     *
     * @var array
     */
    public $metas = array(
        //'http' => array(
        //    'Content-Script-Type' => 'text/javascript' ,
        //    'Content-Style-Type' => 'text/css') ,
        'meta'   => array(),
        'link'   => array(),
        'script' => array());

    /**
     * Array of strings to be inserted in the head tag of HTML documents
     *
     * @var array
     */
    public $htmlHeadStrings = array();
    /**
     * Custom variables that will always be assigned to the template
     *
     * @var array
     */
    public $templateVars = array();

    /**
     * User extra information for cache id, like language, user groups
     *
     * @var boolean
     */
    public $use_extra_cache_id = true;

    /**
     * *#@-
     */

    /**
     * *#@+
     *
     * @tasktype 10 Initialization
     */
    /**
     * Initializes this theme
     *
     * Upon initialization, the theme creates its template engine and instantiates the
     * plug-ins from the specified {@link $plugins} list. If the theme is a 2.0 theme, that does not
     * display redirection messages, the HTTP redirections system is disabled to ensure users will
     * see the redirection screen.
     *
     * @param  array $options
     * @return bool
     */
    public function xoInit($options = array())
    public function xoInit(/** @scrutinizer ignore-unused */ $options = array())
    {
        /** @var XoopsConfigHandler $configHandler */
        $configHandler = xoops_getHandler('config');

        $this->path                   = XOOPS_THEME_PATH . '/' . $this->folderName;
        $this->url                    = XOOPS_THEME_URL . '/' . $this->folderName;
        $this->template               = null;
        $this->template               = new XoopsTpl();
        $this->template->currentTheme = $this;

        $this->template->assign_by_ref('xoTheme', $this);
        $GLOBALS['xoTheme']  = $this;
        $GLOBALS['xoopsTpl'] = $this->template;
        $tempPath = str_replace('\\', '/', realpath(XOOPS_ROOT_PATH) . '/');
        $tempName = str_replace('\\', '/', realpath($_SERVER['SCRIPT_FILENAME']));
        $xoops_page = str_replace($tempPath, '', $tempName);
        if (strpos($xoops_page, 'modules') !== false) {
            $xoops_page = str_replace('modules/', '', $xoops_page);
        }
        $tempScriptname = str_replace('\\', '/', $_SERVER['SCRIPT_NAME']);
        $tempRequesturi = str_replace('\\', '/', Request::getString('REQUEST_URI', '', 'SERVER'));
        if (strlen($tempRequesturi) > strlen($tempScriptname)) {
            $xoops_modulepage =  $xoops_page . str_replace($tempScriptname, '', $tempRequesturi);
        } else {
            $xoops_modulepage =  '';
        }
        $xoops_page = str_replace('.php', '', $xoops_page);
        if (isset($GLOBALS['xoopsConfig']['startpage'])) {
            $xoops_startpage = $GLOBALS['xoopsConfig']['startpage'];
            if ($xoops_startpage == '--') {
                $xoops_startpage = 'system';
            }
        } else {
            $xoops_startpage = 'system';
        }
        // call the theme_autorun.php if the theme has one
        if (file_exists($this->path . "/theme_autorun.php")) {
            include_once($this->path . "/theme_autorun.php");
        }

        $searchConfig = $configHandler->getConfigsByCat(XOOPS_CONF_SEARCH);
        $xoops_search = (bool) (isset($searchConfig['enable_search']) && $searchConfig['enable_search'] === 1);
        $this->template->assign(array(
            'xoops_theme'      => $GLOBALS['xoopsConfig']['theme_set'],
            'xoops_imageurl'   => XOOPS_THEME_URL . '/' . $GLOBALS['xoopsConfig']['theme_set'] . '/',
            'xoops_themecss'   => xoops_getcss($GLOBALS['xoopsConfig']['theme_set']),
            'xoops_requesturi' => htmlspecialchars($_SERVER['REQUEST_URI'], ENT_QUOTES),
            'xoops_sitename'   => htmlspecialchars($GLOBALS['xoopsConfig']['sitename'], ENT_QUOTES),
            'xoops_slogan'     => htmlspecialchars($GLOBALS['xoopsConfig']['slogan'], ENT_QUOTES),
            'xoops_dirname'    => isset($GLOBALS['xoopsModule']) && is_object($GLOBALS['xoopsModule'])
                ? $GLOBALS['xoopsModule']->getVar('dirname') : 'system',
            'xoops_page'       => $xoops_page,
            'xoops_startpage'  => $xoops_startpage,
            'xoops_modulepage' => $xoops_modulepage,
            'xoops_banner'     => ($GLOBALS['xoopsConfig']['banners'] && $this->renderBanner)
                ? xoops_getbanner() : '&nbsp;',
            'xoops_pagetitle'  => isset($GLOBALS['xoopsModule']) && is_object($GLOBALS['xoopsModule'])
                ? $GLOBALS['xoopsModule']->getVar('name')
                : htmlspecialchars($GLOBALS['xoopsConfig']['slogan'], ENT_QUOTES),
            'xoops_search'     => $xoops_search,
        ));
        if (isset($GLOBALS['xoopsUser']) && is_object($GLOBALS['xoopsUser'])) {
            $this->template->assign(array(
                'xoops_isuser'     => true,
                'xoops_avatar'     => XOOPS_UPLOAD_URL . '/' . $GLOBALS['xoopsUser']->getVar('user_avatar'),
                'xoops_userid'     => $GLOBALS['xoopsUser']->getVar('uid'),
                'xoops_uname'      => $GLOBALS['xoopsUser']->getVar('uname'),
                'xoops_name'       => $GLOBALS['xoopsUser']->getVar('name'),
                'xoops_isadmin'    => $GLOBALS['xoopsUserIsAdmin'],
                'xoops_usergroups' => $GLOBALS['xoopsUser']->getGroups(),
            ));
        } else {
            $this->template->assign(array(
                'xoops_isuser'     => false,
                'xoops_isadmin'    => false,
                'xoops_usergroups' => array(XOOPS_GROUP_ANONYMOUS),
            ));
        }

        // Meta tags
        $criteria       = new CriteriaCompo(new Criteria('conf_modid', 0));
        $criteria->add(new Criteria('conf_catid', XOOPS_CONF_METAFOOTER));
        $config = $configHandler->getConfigs($criteria, true);
        foreach (array_keys($config) as $i) {
            $name  = $config[$i]->getVar('conf_name', 'n');
            $value = $config[$i]->getVar('conf_value', 'n');
            if (substr($name, 0, 5) === 'meta_') {
                $this->addMeta('meta', substr($name, 5), $value);
            } else {
                // prefix each tag with 'xoops_'
                $this->template->assign("xoops_$name", $value);
            }
        }
        // Load global javascript
        $this->addScript('include/xoops.js');
        $this->loadLocalization();

        if ($this->bufferOutput) {
            ob_start();
        }
        // Instantiate and initialize all the theme plugins
        foreach ($this->plugins as $k => $bundleId) {
            if (!is_object($bundleId)) {
                $this->plugins[$bundleId]        = null;
                $this->plugins[$bundleId]        = new $bundleId();
                $this->plugins[$bundleId]->theme =& $this;
                $this->plugins[$bundleId]->xoInit();
                unset($this->plugins[$k]);
            }
        }

        return true;
    }

    /**
     * Generate cache id based on extra information of language and user groups
     *
     * User groups other than anonymous should be detected to avoid disclosing group sensitive contents
     *
     * @param  string $cache_id    raw cache id
     * @param  string $extraString extra string
     * @return string complete cache id
     */
    public function generateCacheId($cache_id, $extraString = '')
    {
        static $extra_string;
        if (!$this->use_extra_cache_id) {
            return $cache_id;
        }

        if (empty($extraString)) {
            if (empty($extra_string)) {
                // Generate language section
                $extra_string = $GLOBALS['xoopsConfig']['language'];
                // Generate group section
                if (!isset($GLOBALS['xoopsUser']) || !is_object($GLOBALS['xoopsUser'])) {
                    $extra_string .= '-' . XOOPS_GROUP_ANONYMOUS;
                } else {
                    $groups = $GLOBALS['xoopsUser']->getGroups();
                    sort($groups);
                    // Generate group string for non-anonymous groups,
                    // XOOPS_DB_PASS and XOOPS_DB_NAME (before we find better variables) are used to protect group sensitive contents
                    $extra_string .= '-' . substr(md5(implode('-', $groups)), 0, 8) . '-' . substr(md5(XOOPS_DB_PASS . XOOPS_DB_NAME . XOOPS_DB_USER), 0, 8);
                }
            }
            $extraString = $extra_string;
        }
        $cache_id .= '-' . $extraString;

        return $cache_id;
    }

    /**
     * xos_opal_Theme::checkCache()
     *
     * @return bool
     */
    public function checkCache()
    {
        if ($_SERVER['REQUEST_METHOD'] !== 'POST' && $this->contentCacheLifetime) {
            $template                       = $this->contentTemplate ?: 'db:system_dummy.tpl';
            $this->template->caching        = 2;
            $this->template->cache_lifetime = $this->contentCacheLifetime;
            $uri                            = str_replace(XOOPS_URL, '', $_SERVER['REQUEST_URI']);
            // Clean uri by removing session id
            if (defined('SID') && SID && strpos($uri, SID)) {
                $uri = preg_replace("/([\?&])(" . SID . "$|" . SID . '&)/', "\\1", $uri);
            }
            $this->contentCacheId = $this->generateCacheId('page_' . substr(md5($uri), 0, 8));
            if ($this->template->is_cached($template, $this->contentCacheId)) {
                $xoopsLogger = XoopsLogger::getInstance();
                $xoopsLogger->addExtra($template, sprintf('Cached (regenerates every %d seconds)', $this->contentCacheLifetime));
                $this->render(null, null, $template);

                return true;
            }
        }

        return false;
    }

    /**
     * Render the page
     *
     * The theme engine builds pages from 2 templates: canvas and content.
     *
     * A module can call this method directly and specify what templates the theme engine must use.
     * If render() hasn't been called before, the theme defaults will be used for the canvas and
     * page template (and xoopsOption['template_main'] for the content).
     *
     * @param string $canvasTpl  The canvas template, if different from the theme default
     * @param string $pageTpl    The page template, if different from the theme default (unsupported, 2.3+ only)
     * @param string $contentTpl The content template
     * @param array  $vars       Template variables to send to the template engine
     *
     * @return bool
     */
    public function render($canvasTpl = null, $pageTpl = null, $contentTpl = null, $vars = array())
    {
        if ($this->renderCount) {
            return false;
        }
        $xoopsLogger = XoopsLogger::getInstance();
        $xoopsLogger->startTime('Page rendering');

        xoops_load('xoopscache');
        $cache = XoopsCache::getInstance();

        //Get meta information for cached pages
        if ($this->contentCacheLifetime && $this->contentCacheId && $content = $cache->read($this->contentCacheId)) {
            //we need to merge metas set by blocks ) with the module cached meta
            $this->htmlHeadStrings = array_merge($this->htmlHeadStrings, $content['htmlHeadStrings']);
            foreach ($content['metas'] as $type => $value) {
                $this->metas[$type] = array_merge($this->metas[$type], $content['metas'][$type]);
            }
            $GLOBALS['xoopsOption']['xoops_pagetitle']     = $content['xoops_pagetitle'];
            $GLOBALS['xoopsOption']['xoops_module_header'] = $content['header'];
        }

        if (!empty($GLOBALS['xoopsOption']['xoops_pagetitle'])) {
            $this->template->assign('xoops_pagetitle', $GLOBALS['xoopsOption']['xoops_pagetitle']);
        }
        $header = empty($GLOBALS['xoopsOption']['xoops_module_header']) ? $this->template->get_template_vars('xoops_module_header') : $GLOBALS['xoopsOption']['xoops_module_header'];

        //save meta information of cached pages
        if ($this->contentCacheLifetime && $this->contentCacheId && !$contentTpl) {
            $content['htmlHeadStrings'] = $this->htmlHeadStrings;
            $content['metas']           = $this->metas;
            $content['xoops_pagetitle'] =& $this->template->get_template_vars('xoops_pagetitle');
            $content['header']          = $header;
            $cache->write($this->contentCacheId, $content);
        }

        //  @internal : Lame fix to ensure the metas specified in the xoops config page don't appear twice
        $old = array(
            'robots',
            'keywords',
            'description',
            'rating',
            'author',
            'copyright');
        foreach ($this->metas['meta'] as $name => $value) {
            if (in_array($name, $old)) {
                $this->template->assign("xoops_meta_$name", htmlspecialchars($value, ENT_QUOTES));
                unset($this->metas['meta'][$name]);
            }
        }

        // We assume no overlap between $GLOBALS['xoopsOption']['xoops_module_header'] and $this->template->get_template_vars( 'xoops_module_header' ) ?
        $this->template->assign('xoops_module_header', $this->renderMetas(null, true) . "\n" . $header);
        $this->template->assign('xoops_module_header', $this->renderMetas(null, true) . "\n" . /** @scrutinizer ignore-type */ $header);

        if ($canvasTpl) {
            $this->canvasTemplate = $canvasTpl;
        }
        if ($contentTpl) {
            $this->contentTemplate = $contentTpl;
        }
        if (!empty($vars)) {
            $this->template->assign($vars);
        }
        if ($this->contentTemplate) {
            $this->content = $this->template->fetch($this->contentTemplate, $this->contentCacheId);
        }
        if ($this->bufferOutput) {
            $this->content .= ob_get_contents();
            ob_end_clean();
        }

        $this->template->assign_by_ref('xoops_contents', $this->content);

        // Do not cache the main (theme.html) template output
        $this->template->caching = 0;
        if (file_exists($this->path . '/' . $this->canvasTemplate)) {
            $this->template->display($this->path . '/' . $this->canvasTemplate);
        } else {
            $this->template->display($this->path . '/theme.html');
        }
        $this->renderCount++;
        $xoopsLogger->stopTime('Page rendering');

        return true;
    }

    /**
     * Load localization information
     *
     * Folder structure for localization:
     * <ul>themes/themefolder/english
     *     <li>main.php - language definitions</li>
     *     <li>style.css - localization stylesheet</li>
     *     <li>script.js - localization script</li>
     * </ul>
     * @param  string $type
     * @return bool
     */
    public function loadLocalization($type = 'main')
    {
        $language = $GLOBALS['xoopsConfig']['language'];
        // Load global localization stylesheet if available
        if (file_exists($GLOBALS['xoops']->path('language/' . $language . '/style.css'))) {
            $this->addStylesheet($GLOBALS['xoops']->url('language/' . $language . '/style.css'));
        }
        $this->addLanguage($type, $language);
        // Load theme localization stylesheet and scripts if available
        if (file_exists($this->path . '/language/' . $language . '/script.js')) {
            $this->addScript($this->url . '/language/' . $language . '/script.js');
        }
        if (file_exists($this->path . '/language/' . $language . '/style.css')) {
            $this->addStylesheet($this->url . '/language/' . $language . '/style.css');
        }

        return true;
    }

    /**
     * Load theme specific language constants
     *
     * @param string $type     language type, like 'main', 'admin'; Needs to be declared in theme xo-info.php
     * @param string $language specific language
     *
     * @return bool|mixed
     */
    public function addLanguage($type = 'main', $language = null)
    {
        $language = (null === $language) ? $GLOBALS['xoopsConfig']['language'] : $language;
        if (!file_exists($fileinc = $this->path . "/language/{$language}/{$type}.php")) {
            if (!file_exists($fileinc = $this->path . "/language/english/{$type}.php")) {
                return false;
            }
        }
        $ret = include_once $fileinc;

        return $ret;
    }

    /**
     * *#@+
     *
     * @tasktype 20 Manipulating page meta-information
     */
    /**
     * Adds script code to the document head
     *
     * This methods allows the insertion of an external script file (if $src is provided), or
     * of a script snippet. The file URI is parsed to take benefit of the theme resource
     * overloading system.
     *
     * The $attributes parameter allows you to specify the attributes that will be added to the
     * inserted <script> tag. If unspecified, the <var>type</var> attribute value will default to
     * 'text/javascript'.
     *
     * <code>
     * // Add an external script using a physical path
     * $theme->addScript( 'www/script.js', null, '' );
     * $theme->addScript( 'modules/newbb/script.js', null, '' );
     * // Specify attributes for the <script> tag
     * $theme->addScript( 'mod_xoops_SiteManager#common.js', array( 'type' => 'application/x-javascript' ), '', 'mod_xoops_Sitemanager' );
     * // Insert a code snippet
     * $theme->addScript( null, array( 'type' => 'application/x-javascript' ), 'window.open("Hello world");', 'hello' );
     * </code>
     *
     * @param  string $src        path to an external script file
     * @param  array  $attributes hash of attributes to add to the <script> tag
     * @param  string $content    Code snippet to output within the <script> tag
     * @param  string $name       Element Name in array scripts are stored in.
     * @return void
     */
    public function addScript($src = '', $attributes = array(), $content = '', $name = '')
    {
        if (empty($attributes)) {
            $attributes = array();
        }
        if (!empty($src)) {
            $src               = $GLOBALS['xoops']->url($this->resourcePath($src));
            $attributes['src'] = $src;
        }
        if (!empty($content)) {
            $attributes['_'] = $content;
        }
        if (!isset($attributes['type'])) {
            $attributes['type'] = 'text/javascript';
        }
        if (empty($name)) {
            $name = md5(serialize($attributes));
        }
        $this->addMeta('script', $name, $attributes);
        $this->addMeta('script', $name, /** @scrutinizer ignore-type */ $attributes);
    }

    /**
     * Add StyleSheet or CSS code to the document head
     *
     * @param  string $src        path to .css file
     * @param  array  $attributes name => value paired array of attributes such as title
     * @param  string $content    CSS code to output between the <style> tags (in case $src is empty)
     * @param  string $name       Element Name in array stylesheets are stored in.
     * @return void
     */
    public function addStylesheet($src = '', $attributes = array(), $content = '', $name = '')
    {
        if (empty($attributes)) {
            $attributes = array();
        }
        if (!empty($src)) {
            $src                = $GLOBALS['xoops']->url($this->resourcePath($src));
            $attributes['href'] = $src;
        }
        if (!isset($attributes['type'])) {
            $attributes['type'] = 'text/css';
        }
        if (!empty($content)) {
            $attributes['_'] = $content;
        }
        if (empty($name)) {
            $name = md5(serialize($attributes));
        }
        $this->addMeta('stylesheet', $name, $attributes);
        $this->addMeta('stylesheet', $name, /** @scrutinizer ignore-type */ $attributes);
    }

    /**
     * Add a <link> to the header
     *
     * @param string $rel        Relationship from the current doc to the anchored one
     * @param string $href       URI of the anchored document
     * @param array  $attributes Additional attributes to add to the <link> element
     * @param string $name       Element Name in array links are stored in.
     */
    public function addLink($rel, $href = '', $attributes = array(), $name = '')
    {
        if (empty($attributes)) {
            $attributes = array();
        }
        if (!empty($href)) {
            $attributes['href'] = $href;
        }
        $attributes['rel'] = $rel;
        if (empty($name)) {
            $name = md5(serialize($attributes));
        }
        $this->addMeta('link', $name, $attributes);
        $this->addMeta('link', $name, /** @scrutinizer ignore-type */ $attributes);
    }

    /**
     * Set a meta http-equiv value
     * @param         $name
     * @param  null   $value

     * @return string
     */
    public function addHttpMeta($name, $value = null)
    {
        if (isset($value)) {
            return $this->addMeta('http', $name, $value);
        }
        unset($this->metas['http'][$name]);
        return null;
    }

    /**
     * Change output page meta-information
     * @param  string $type
     * @param  string $name
     * @param  string $value
     * @return string
     */
    public function addMeta($type = 'meta', $name = '', $value = '')
    {
        if (!isset($this->metas[$type])) {
            $this->metas[$type] = array();
        }
        if (!empty($name)) {
            $this->metas[$type][$name] = $value;
        } else {
            $this->metas[$type][md5(serialize(array($value)))] = $value;
        }

        return $value;
    }

    /**
     * xos_opal_Theme::headContent()
     *
     * @param mixed $params
     * @param mixed $content
     * @param mixed $smarty
     * @param mixed $repeat
     *
     * @return void
     */
    public function headContent($params, $content, &$smarty, &$repeat)
    public function headContent($params, $content, /** @scrutinizer ignore-unused */ &$smarty, &$repeat)
    {
        if (!$repeat) {
            $this->htmlHeadStrings[] = $content;
        }
    }

    /**
     * xos_opal_Theme::renderMetas()
     *
     * @param  mixed $type
     * @param  mixed $return
     * @return bool|string
     */
    public function renderMetas($type = null, $return = false)
    {
        $str = '';
        if (!isset($type)) {
            foreach (array_keys($this->metas) as $type) {
                $str .= $this->renderMetas($type, true);
            }
            $str .= implode("\n", $this->htmlHeadStrings);
        } else {
            switch ($type) {
                case 'script':
                    foreach ($this->metas[$type] as $attrs) {
                        $str .= '<script' . $this->renderAttributes($attrs) . '>';
                        if (@$attrs['_']) {
                            $str .= "\n//<![CDATA[\n" . $attrs['_'] . "\n//]]>";
                        }
                        $str .= "</script>\n";
                    }
                    break;
                case 'link':
                    foreach ($this->metas[$type] as $attrs) {
                        $rel = $attrs['rel'];
                        unset($attrs['rel']);
                        $str .= '<link rel="' . $rel . '"' . $this->renderAttributes($attrs) . " />\n";
                    }
                    break;
                case 'stylesheet':
                    foreach ($this->metas[$type] as $attrs) {
                        if (@$attrs['_']) {
                            $str .= '<style' . $this->renderAttributes($attrs) . ">\n/* <![CDATA[ */\n" . $attrs['_'] . "\n/* //]]> */\n</style>";
                        } else {
                            $str .= '<link rel="stylesheet"' . $this->renderAttributes($attrs) . " />\n";
                        }
                    }
                    break;
                case 'http':
                    foreach ($this->metas[$type] as $name => $content) {
                        $str .= '<meta http-equiv="' . htmlspecialchars($name, ENT_QUOTES) . '" content="' . htmlspecialchars($content, ENT_QUOTES) . "\" />\n";
                    }
                    break;
                default:
                    foreach ($this->metas[$type] as $name => $content) {
                        $str .= '<meta name="' . htmlspecialchars($name, ENT_QUOTES) . '" content="' . htmlspecialchars($content, ENT_QUOTES) . "\" />\n";
                    }
                    break;
            }
        }
        if ($return) {
            return $str;
        }
        echo $str;

        return true;
    }

    /**
     * Generates a unique element ID
     *
     * @param  string $tagName
     * @return string
     */
    public function genElementId($tagName = 'xos')
    {
        static $cache = array();
        if (!isset($cache[$tagName])) {
            $cache[$tagName] = 1;
        }

        return $tagName . '-' . $cache[$tagName]++;
    }

    /**
     * Transform an attributes collection to an XML string
     *
     * @param  array $coll
     * @return string
     */
    public function renderAttributes($coll)
    {
        $str = '';
        foreach ($coll as $name => $val) {
            if ($name !== '_') {
                $str .= ' ' . $name . '="' . htmlspecialchars($val, ENT_QUOTES) . '"';
            }
        }

        return $str;
    }

    /**
     * Return a themable file resource path
     *
     * @param  string $path
     * @return string
     */
    public function resourcePath($path)
    {
        if (substr($path, 0, 1) === '/') {
            $path = substr($path, 1);
        }

        if (file_exists(XOOPS_ROOT_PATH . "/{$this->themesPath}/{$this->folderName}/{$path}")) {
            return "{$this->themesPath}/{$this->folderName}/{$path}";
        }

        if (file_exists(XOOPS_ROOT_PATH . "/themes/{$this->folderName}/{$path}")) {
            return "themes/{$this->folderName}/{$path}";
        }

        return $path;
    }
}

XOOPS / XoopsCore25

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xos_opal_ThemeFactory::createInstance() C

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