template.php

<?php
/**
 * DokuWiki template functions
 *
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
 * @author     Andreas Gohr <andi@splitbrain.org>
 */

if(!defined('DOKU_INC')) die('meh.');

/**
 * Access a template file
 *
 * Returns the path to the given file inside the current template, uses
 * default template if the custom version doesn't exist.
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @param string $file
 * @return string
 */
function template($file) {
    global $conf;

    if(@is_readable(DOKU_INC.'lib/tpl/'.$conf['template'].'/'.$file))
        return DOKU_INC.'lib/tpl/'.$conf['template'].'/'.$file;

    return DOKU_INC.'lib/tpl/dokuwiki/'.$file;
}

/**
 * Convenience function to access template dir from local FS
 *
 * This replaces the deprecated DOKU_TPLINC constant
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @param string $tpl The template to use, default to current one
 * @return string
 */
function tpl_incdir($tpl='') {
    global $conf;
    if(!$tpl) $tpl = $conf['template'];
    return DOKU_INC.'lib/tpl/'.$tpl.'/';
}

/**
 * Convenience function to access template dir from web
 *
 * This replaces the deprecated DOKU_TPL constant
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @param string $tpl The template to use, default to current one
 * @return string
 */
function tpl_basedir($tpl='') {
    global $conf;
    if(!$tpl) $tpl = $conf['template'];
    return DOKU_BASE.'lib/tpl/'.$tpl.'/';
}

/**
 * Print the content
 *
 * This function is used for printing all the usual content
 * (defined by the global $ACT var) by calling the appropriate
 * outputfunction(s) from html.php
 *
 * Everything that doesn't use the main template file isn't
 * handled by this function. ACL stuff is not done here either.
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @triggers TPL_ACT_RENDER
 * @triggers TPL_CONTENT_DISPLAY
 * @param bool $prependTOC should the TOC be displayed here?
 * @return bool true if any output
 */
function tpl_content($prependTOC = true) {
    global $ACT;
    global $INFO;
    $INFO['prependTOC'] = $prependTOC;

    ob_start();
    trigger_event('TPL_ACT_RENDER', $ACT, 'tpl_content_core');
    $html_output = ob_get_clean();
    trigger_event('TPL_CONTENT_DISPLAY', $html_output, 'ptln');

    return !empty($html_output);
}

/**
 * Default Action of TPL_ACT_RENDER
 *
 * @return bool
 */
function tpl_content_core() {
    global $ACT;
    global $TEXT;
    global $PRE;
    global $SUF;
    global $SUM;
    global $IDX;
    global $INPUT;

    switch($ACT) {
        case 'show':
            html_show();
            break;
        /** @noinspection PhpMissingBreakStatementInspection */
        case 'locked':
            html_locked();
        case 'edit':
        case 'recover':
            html_edit();
            break;
        case 'preview':
            html_edit();
            html_show($TEXT);
            break;
        case 'draft':
            html_draft();
            break;
        case 'search':
            html_search();
            break;
        case 'revisions':
            html_revisions($INPUT->int('first'));
            break;
        case 'diff':
            html_diff();
            break;
        case 'recent':
            $show_changes = $INPUT->str('show_changes');
            if (empty($show_changes)) {
                $show_changes = get_doku_pref('show_changes', $show_changes);
            }
            html_recent($INPUT->extract('first')->int('first'), $show_changes);
            break;
        case 'index':
            html_index($IDX); #FIXME can this be pulled from globals? is it sanitized correctly?
            break;
        case 'backlink':
            html_backlinks();
            break;
        case 'conflict':
            html_conflict(con($PRE, $TEXT, $SUF), $SUM);
            html_diff(con($PRE, $TEXT, $SUF), false);
            break;
        case 'login':
            html_login();
            break;
        case 'register':
            html_register();
            break;
        case 'resendpwd':
            html_resendpwd();
            break;
        case 'denied':
            html_denied();
            break;
        case 'profile' :
            html_updateprofile();
            break;
        case 'admin':
            tpl_admin();
            break;
        case 'subscribe':
            tpl_subscribe();
            break;
        case 'media':
            tpl_media();
            break;
        default:
            $evt = new Doku_Event('TPL_ACT_UNKNOWN', $ACT);
            if($evt->advise_before()) {
                msg("Failed to handle command: ".hsc($ACT), -1);
            }
            $evt->advise_after();
            unset($evt);
            return false;
    }
    return true;
}

/**
 * Places the TOC where the function is called
 *
 * If you use this you most probably want to call tpl_content with
 * a false argument
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param bool $return Should the TOC be returned instead to be printed?
 * @return string
 */
function tpl_toc($return = false) {
    global $TOC;
    global $ACT;
    global $ID;
    global $REV;
    global $INFO;
    global $conf;
    global $INPUT;
    $toc = array();

    if(is_array($TOC)) {
        // if a TOC was prepared in global scope, always use it
        $toc = $TOC;
    } elseif(($ACT == 'show' || substr($ACT, 0, 6) == 'export') && !$REV && $INFO['exists']) {
        // get TOC from metadata, render if neccessary
        $meta = p_get_metadata($ID, '', METADATA_RENDER_USING_CACHE);
        if(isset($meta['internal']['toc'])) {
            $tocok = $meta['internal']['toc'];
        } else {
            $tocok = true;
        }
        $toc = isset($meta['description']['tableofcontents']) ? $meta['description']['tableofcontents'] : null;
        if(!$tocok || !is_array($toc) || !$conf['tocminheads'] || count($toc) < $conf['tocminheads']) {
            $toc = array();
        }
    } elseif($ACT == 'admin') {
        // try to load admin plugin TOC
        /** @var $plugin DokuWiki_Admin_Plugin */
        if ($plugin = plugin_getRequestAdminPlugin()) {
            $toc = $plugin->getTOC();
            $TOC = $toc; // avoid later rebuild
        }
    }

    trigger_event('TPL_TOC_RENDER', $toc, null, false);
    $html = html_TOC($toc);
    if($return) return $html;
    echo $html;
    return '';
}

/**
 * Handle the admin page contents
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @return bool
 */
function tpl_admin() {
    global $INFO;
    global $TOC;
    global $INPUT;

    $plugin = null;
    $class  = $INPUT->str('page');
    if(!empty($class)) {
        $pluginlist = plugin_list('admin');

        if(in_array($class, $pluginlist)) {
            // attempt to load the plugin
            /** @var $plugin DokuWiki_Admin_Plugin */
            $plugin = plugin_load('admin', $class);
        }
    }

    if($plugin !== null) {
        if(!is_array($TOC)) $TOC = $plugin->getTOC(); //if TOC wasn't requested yet
        if($INFO['prependTOC']) tpl_toc();
        $plugin->html();
    } else {
        $admin = new dokuwiki\Ui\Admin();
        $admin->show();
    }
    return true;
}

/**
 * Print the correct HTML meta headers
 *
 * This has to go into the head section of your template.
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @triggers TPL_METAHEADER_OUTPUT
 * @param  bool $alt Should feeds and alternative format links be added?
 * @return bool
 */
function tpl_metaheaders($alt = true) {
    global $ID;
    global $REV;
    global $INFO;
    global $JSINFO;
    global $ACT;
    global $QUERY;
    global $lang;
    global $conf;
    global $updateVersion;
    /** @var Input $INPUT */
    global $INPUT;

    // prepare the head array
    $head = array();

    // prepare seed for js and css
    $tseed   = $updateVersion;
    $depends = getConfigFiles('main');
    $depends[] = DOKU_CONF."tpl/".$conf['template']."/style.ini";
    foreach($depends as $f) $tseed .= @filemtime($f);
    $tseed   = md5($tseed);

    // the usual stuff
    $head['meta'][] = array('name'=> 'generator', 'content'=> 'DokuWiki');
    if(actionOK('search')) {
        $head['link'][] = array(
            'rel' => 'search', 'type'=> 'application/opensearchdescription+xml',
            'href'=> DOKU_BASE.'lib/exe/opensearch.php', 'title'=> $conf['title']
        );
    }

    $head['link'][] = array('rel'=> 'start', 'href'=> DOKU_BASE);
    if(actionOK('index')) {
        $head['link'][] = array(
            'rel'  => 'contents', 'href'=> wl($ID, 'do=index', false, '&'),
            'title'=> $lang['btn_index']
        );
    }

    if($alt) {
        if(actionOK('rss')) {
            $head['link'][] = array(
                'rel'  => 'alternate', 'type'=> 'application/rss+xml',
                'title'=> $lang['btn_recent'], 'href'=> DOKU_BASE.'feed.php'
            );
            $head['link'][] = array(
                'rel'  => 'alternate', 'type'=> 'application/rss+xml',
                'title'=> $lang['currentns'],
                'href' => DOKU_BASE.'feed.php?mode=list&ns='.$INFO['namespace']
            );
        }
        if(($ACT == 'show' || $ACT == 'search') && $INFO['writable']) {
            $head['link'][] = array(
                'rel'  => 'edit',
                'title'=> $lang['btn_edit'],
                'href' => wl($ID, 'do=edit', false, '&')
            );
        }

        if(actionOK('rss') && $ACT == 'search') {
            $head['link'][] = array(
                'rel'  => 'alternate', 'type'=> 'application/rss+xml',
                'title'=> $lang['searchresult'],
                'href' => DOKU_BASE.'feed.php?mode=search&q='.$QUERY
            );
        }

        if(actionOK('export_xhtml')) {
            $head['link'][] = array(
                'rel' => 'alternate', 'type'=> 'text/html', 'title'=> $lang['plainhtml'],
                'href'=> exportlink($ID, 'xhtml', '', false, '&')
            );
        }

        if(actionOK('export_raw')) {
            $head['link'][] = array(
                'rel' => 'alternate', 'type'=> 'text/plain', 'title'=> $lang['wikimarkup'],
                'href'=> exportlink($ID, 'raw', '', false, '&')
            );
        }
    }

    // setup robot tags apropriate for different modes
    if(($ACT == 'show' || $ACT == 'export_xhtml') && !$REV) {
        if($INFO['exists']) {
            //delay indexing:
            if((time() - $INFO['lastmod']) >= $conf['indexdelay']) {
                $head['meta'][] = array('name'=> 'robots', 'content'=> 'index,follow');
            } else {
                $head['meta'][] = array('name'=> 'robots', 'content'=> 'noindex,nofollow');
            }
            $canonicalUrl = wl($ID, '', true, '&');
            if ($ID == $conf['start']) {
                $canonicalUrl = DOKU_URL;
            }
            $head['link'][] = array('rel'=> 'canonical', 'href'=> $canonicalUrl);
        } else {
            $head['meta'][] = array('name'=> 'robots', 'content'=> 'noindex,follow');
        }
    } elseif(defined('DOKU_MEDIADETAIL')) {
        $head['meta'][] = array('name'=> 'robots', 'content'=> 'index,follow');
    } else {
        $head['meta'][] = array('name'=> 'robots', 'content'=> 'noindex,nofollow');
    }

    // set metadata
    if($ACT == 'show' || $ACT == 'export_xhtml') {
        // keywords (explicit or implicit)
        if(!empty($INFO['meta']['subject'])) {
            $head['meta'][] = array('name'=> 'keywords', 'content'=> join(',', $INFO['meta']['subject']));
        } else {
            $head['meta'][] = array('name'=> 'keywords', 'content'=> str_replace(':', ',', $ID));
        }
    }

    // load stylesheets
    $head['link'][] = array(
        'rel' => 'stylesheet', 'type'=> 'text/css',
        'href'=> DOKU_BASE.'lib/exe/css.php?t='.rawurlencode($conf['template']).'&tseed='.$tseed
    );

    // make $INFO and other vars available to JavaScripts
    $json   = new JSON();
    $script = "var NS='".$INFO['namespace']."';";
    if($conf['useacl'] && $INPUT->server->str('REMOTE_USER')) {
        $script .= "var SIG='".toolbar_signature()."';";
    }
    $script .= 'var JSINFO = '.$json->encode($JSINFO).';';
    $head['script'][] = array('type'=> 'text/javascript', '_data'=> $script);

    // load jquery
    $jquery = getCdnUrls();
    foreach($jquery as $src) {
        $head['script'][] = array(
            'type' => 'text/javascript', 'charset' => 'utf-8', '_data' => '', 'src' => $src
        );
    }

    // load our javascript dispatcher
    $head['script'][] = array(
        'type'=> 'text/javascript', 'charset'=> 'utf-8', '_data'=> '',
        'src' => DOKU_BASE.'lib/exe/js.php'.'?t='.rawurlencode($conf['template']).'&tseed='.$tseed
    );

    // trigger event here
    trigger_event('TPL_METAHEADER_OUTPUT', $head, '_tpl_metaheaders_action', true);
    return true;
}

/**
 * prints the array build by tpl_metaheaders
 *
 * $data is an array of different header tags. Each tag can have multiple
 * instances. Attributes are given as key value pairs. Values will be HTML
 * encoded automatically so they should be provided as is in the $data array.
 *
 * For tags having a body attribute specify the body data in the special
 * attribute '_data'. This field will NOT BE ESCAPED automatically.
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param array $data
 */
function _tpl_metaheaders_action($data) {
    foreach($data as $tag => $inst) {
        if($tag == 'script') {
            echo "<!--[if gte IE 9]><!-->\n"; // no scripts for old IE
        }
        foreach($inst as $attr) {
            if ( empty($attr) ) { continue; }
            echo '<', $tag, ' ', buildAttributes($attr);
            if(isset($attr['_data']) || $tag == 'script') {
                if($tag == 'script' && $attr['_data'])
                    $attr['_data'] = "/*<![CDATA[*/".
                        $attr['_data'].
                        "\n/*!]]>*/";

                echo '>', $attr['_data'], '</', $tag, '>';
            } else {
                echo '/>';
            }
            echo "\n";
        }
        if($tag == 'script') {
            echo "<!--<![endif]-->\n";
        }
    }
}

/**
 * Print a link
 *
 * Just builds a link.
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param string $url
 * @param string $name
 * @param string $more
 * @param bool $return if true return the link html, otherwise print
 * @return bool|string html of the link, or true if printed
 */
function tpl_link($url, $name, $more = '', $return = false) {
    $out = '<a href="'.$url.'" ';
    if($more) $out .= ' '.$more;
    $out .= ">$name</a>";
    if($return) return $out;
    print $out;
    return true;
}

/**
 * Prints a link to a WikiPage
 *
 * Wrapper around html_wikilink
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param string      $id   page id
 * @param string|null $name the name of the link
 * @return bool true
 */
function tpl_pagelink($id, $name = null) {
    print '<bdi>'.html_wikilink($id, $name).'</bdi>';
    return true;
}

/**
 * get the parent page
 *
 * Tries to find out which page is parent.
 * returns false if none is available
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param string $id page id
 * @return false|string
 */
function tpl_getparent($id) {
    $parent = getNS($id).':';
    resolve_pageid('', $parent, $exists);
    if($parent == $id) {
        $pos    = strrpos(getNS($id), ':');
        $parent = substr($parent, 0, $pos).':';
        resolve_pageid('', $parent, $exists);
        if($parent == $id) return false;
    }
    return $parent;
}

/**
 * Print one of the buttons
 *
 * @author Adrian Lang <mail@adrianlang.de>
 * @see    tpl_get_action
 *
 * @param string $type
 * @param bool $return
 * @return bool|string html, or false if no data, true if printed
 */
function tpl_button($type, $return = false) {
    $data = tpl_get_action($type);
    if($data === false) {
        return false;
    } elseif(!is_array($data)) {
        $out = sprintf($data, 'button');
    } else {
        /**
         * @var string $accesskey
         * @var string $id
         * @var string $method
         * @var array  $params
         */
        extract($data);
        if($id === '#dokuwiki__top') {
            $out = html_topbtn();
        } else {
            $out = html_btn($type, $id, $accesskey, $params, $method);
        }
    }
    if($return) return $out;
    echo $out;
    return true;
}

/**
 * Like the action buttons but links
 *
 * @author Adrian Lang <mail@adrianlang.de>
 * @see    tpl_get_action
 *
 * @param string $type    action command
 * @param string $pre     prefix of link
 * @param string $suf     suffix of link
 * @param string $inner   innerHML of link
 * @param bool   $return  if true it returns html, otherwise prints
 * @return bool|string html or false if no data, true if printed
 */
function tpl_actionlink($type, $pre = '', $suf = '', $inner = '', $return = false) {
    global $lang;
    $data = tpl_get_action($type);
    if($data === false) {
        return false;
    } elseif(!is_array($data)) {
        $out = sprintf($data, 'link');
    } else {
        /**
         * @var string $accesskey
         * @var string $id
         * @var string $method
         * @var bool   $nofollow
         * @var array  $params
         * @var string $replacement
         */
        extract($data);
        if(strpos($id, '#') === 0) {
            $linktarget = $id;
        } else {
            $linktarget = wl($id, $params);
        }
        $caption = $lang['btn_'.$type];
        if(strpos($caption, '%s')){
            $caption = sprintf($caption, $replacement);
        }
        $akey    = $addTitle = '';
        if($accesskey) {
            $akey     = 'accesskey="'.$accesskey.'" ';
            $addTitle = ' ['.strtoupper($accesskey).']';
        }
        $rel = $nofollow ? 'rel="nofollow" ' : '';
        $out = tpl_link(
            $linktarget, $pre.(($inner) ? $inner : $caption).$suf,
            'class="action '.$type.'" '.
                $akey.$rel.
                'title="'.hsc($caption).$addTitle.'"', true
        );
    }
    if($return) return $out;
    echo $out;
    return true;
}

/**
 * Check the actions and get data for buttons and links
 *
 * Available actions are
 *
 *  edit        - edit/create/show/draft
 *  history     - old revisions
 *  recent      - recent changes
 *  login       - login/logout - if ACL enabled
 *  profile     - user profile (if logged in)
 *  index       - The index
 *  admin       - admin page - if enough rights
 *  top         - back to top
 *  back        - back to parent - if available
 *  backlink    - links to the list of backlinks
 *  subscribe/subscription- subscribe/unsubscribe
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
 * @author Adrian Lang <mail@adrianlang.de>
 *
 * @param string $type
 * @return array|bool|string
 */
function tpl_get_action($type) {
    global $ID;
    global $INFO;
    global $REV;
    global $ACT;
    global $conf;
    /** @var Input $INPUT */
    global $INPUT;

    // check disabled actions and fix the badly named ones
    if($type == 'history') $type = 'revisions';
    if ($type == 'subscription') $type = 'subscribe';
    if(!actionOK($type)) return false;

    $accesskey   = null;
    $id          = $ID;
    $method      = 'get';
    $params      = array('do' => $type);
    $nofollow    = true;
    $replacement = '';

    $unknown = false;
    switch($type) {
        case 'edit':
            // most complicated type - we need to decide on current action
            if($ACT == 'show' || $ACT == 'search') {
                $method = 'post';
                if($INFO['writable']) {
                    $accesskey = 'e';
                    if(!empty($INFO['draft'])) {
                        $type         = 'draft';
                        $params['do'] = 'draft';
                    } else {
                        $params['rev'] = $REV;
                        if(!$INFO['exists']) {
                            $type = 'create';
                        }
                    }
                } else {
                    if(!actionOK('source')) return false; //pseudo action
                    $params['rev'] = $REV;
                    $type          = 'source';
                    $accesskey     = 'v';
                }
            } else {
                $params    = array('do' => '');
                $type      = 'show';
                $accesskey = 'v';
            }
            break;
        case 'revisions':
            $type      = 'revs';
            $accesskey = 'o';
            break;
        case 'recent':
            $accesskey = 'r';
            break;
        case 'index':
            $accesskey = 'x';
            // allow searchbots to get to the sitemap from the homepage (when dokuwiki isn't providing a sitemap.xml)
            if ($conf['start'] == $ID && !$conf['sitemap']) {
                $nofollow = false;
            }
            break;
        case 'top':
            $accesskey = 't';
            $params    = array('do' => '');
            $id        = '#dokuwiki__top';
            break;
        case 'back':
            $parent = tpl_getparent($ID);
            if(!$parent) {
                return false;
            }
            $id        = $parent;
            $params    = array('do' => '');
            $accesskey = 'b';
            break;
        case 'img_backto':
            $params = array();
            $accesskey = 'b';
            $replacement = $ID;
            break;
        case 'login':
            $params['sectok'] = getSecurityToken();
            if($INPUT->server->has('REMOTE_USER')) {
                if(!actionOK('logout')) {
                    return false;
                }
                $params['do'] = 'logout';
                $type         = 'logout';
            }
            break;
        case 'register':
            if($INPUT->server->str('REMOTE_USER')) {
                return false;
            }
            break;
        case 'resendpwd':
            if($INPUT->server->str('REMOTE_USER')) {
                return false;
            }
            break;
        case 'admin':
            if(!$INFO['ismanager']) {
                return false;
            }
            break;
        case 'revert':
            if(!$INFO['ismanager'] || !$REV || !$INFO['writable']) {
                return false;
            }
            $params['rev']    = $REV;
            $params['sectok'] = getSecurityToken();
            break;
        case 'subscribe':
            if(!$INPUT->server->str('REMOTE_USER')) {
                return false;
            }
            break;
        case 'backlink':
            break;
        case 'profile':
            if(!$INPUT->server->has('REMOTE_USER')) {
                return false;
            }
            break;
        case 'media':
            $params['ns'] = getNS($ID);
            break;
        case 'mediaManager':
            // View image in media manager
            global $IMG;
            $imgNS = getNS($IMG);
            $authNS = auth_quickaclcheck("$imgNS:*");
            if ($authNS < AUTH_UPLOAD) {
                return false;
            }
            $params = array(
                'ns' => $imgNS,
                'image' => $IMG,
                'do' => 'media'
            );
            //$type = 'media';
            break;
        default:
            //unknown type
            $unknown = true;
    }

    $data = compact('accesskey', 'type', 'id', 'method', 'params', 'nofollow', 'replacement');

    $evt = new Doku_Event('TPL_ACTION_GET', $data);
    if($evt->advise_before()) {
        //handle unknown types
        if($unknown) {
            $data = '[unknown %s type]';
        }
    }
    $evt->advise_after();
    unset($evt);

    return $data;
}

/**
 * Wrapper around tpl_button() and tpl_actionlink()
 *
 * @author Anika Henke <anika@selfthinker.org>
 *
 * @param string        $type action command
 * @param bool          $link link or form button?
 * @param string|bool   $wrapper HTML element wrapper
 * @param bool          $return return or print
 * @param string        $pre prefix for links
 * @param string        $suf suffix for links
 * @param string        $inner inner HTML for links
 * @return bool|string
 */
function tpl_action($type, $link = false, $wrapper = false, $return = false, $pre = '', $suf = '', $inner = '') {
    $out = '';
    if($link) {
        $out .= tpl_actionlink($type, $pre, $suf, $inner, true);
    } else {
        $out .= tpl_button($type, true);
    }
    if($out && $wrapper) $out = "<$wrapper>$out</$wrapper>";

    if($return) return $out;
    print $out;
    return $out ? true : false;
}

/**
 * Print the search form
 *
 * If the first parameter is given a div with the ID 'qsearch_out' will
 * be added which instructs the ajax pagequicksearch to kick in and place
 * its output into this div. The second parameter controls the propritary
 * attribute autocomplete. If set to false this attribute will be set with an
 * value of "off" to instruct the browser to disable it's own built in
 * autocompletion feature (MSIE and Firefox)
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param bool $ajax
 * @param bool $autocomplete
 * @return bool
 */
function tpl_searchform($ajax = true, $autocomplete = true) {
    global $lang;
    global $ACT;
    global $QUERY;

    // don't print the search form if search action has been disabled
    if(!actionOK('search')) return false;

    print '<form action="'.wl().'" accept-charset="utf-8" class="search" id="dw__search" method="get" role="search"><div class="no">';
    print '<input type="hidden" name="do" value="search" />';
    print '<input type="text" ';
    if($ACT == 'search') print 'value="'.htmlspecialchars($QUERY).'" ';
    print 'placeholder="'.$lang['btn_search'].'" ';
    if(!$autocomplete) print 'autocomplete="off" ';
    print 'id="qsearch__in" accesskey="f" name="id" class="edit" title="[F]" />';
    print '<button type="submit" title="'.$lang['btn_search'].'">'.$lang['btn_search'].'</button>';
    if($ajax) print '<div id="qsearch__out" class="ajax_qsearch JSpopup"></div>';
    print '</div></form>';
    return true;
}

/**
 * Print the breadcrumbs trace
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param string $sep Separator between entries
 * @return bool
 */
function tpl_breadcrumbs($sep = '•') {
    global $lang;
    global $conf;

    //check if enabled
    if(!$conf['breadcrumbs']) return false;

    $crumbs = breadcrumbs(); //setup crumb trace

    $crumbs_sep = ' <span class="bcsep">'.$sep.'</span> ';

    //render crumbs, highlight the last one
    print '<span class="bchead">'.$lang['breadcrumb'].'</span>';
    $last = count($crumbs);
    $i    = 0;
    foreach($crumbs as $id => $name) {
        $i++;
        echo $crumbs_sep;
        if($i == $last) print '<span class="curid">';
        print '<bdi>';
        tpl_link(wl($id), hsc($name), 'class="breadcrumbs" title="'.$id.'"');
        print '</bdi>';
        if($i == $last) print '</span>';
    }
    return true;
}

/**
 * Hierarchical breadcrumbs
 *
 * This code was suggested as replacement for the usual breadcrumbs.
 * It only makes sense with a deep site structure.
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @author Nigel McNie <oracle.shinoda@gmail.com>
 * @author Sean Coates <sean@caedmon.net>
 * @author <fredrik@averpil.com>
 * @todo   May behave strangely in RTL languages
 *
 * @param string $sep Separator between entries
 * @return bool
 */
function tpl_youarehere($sep = ' » ') {
    global $conf;
    global $ID;
    global $lang;

    // check if enabled
    if(!$conf['youarehere']) return false;

    $parts = explode(':', $ID);
    $count = count($parts);

    echo '<span class="bchead">'.$lang['youarehere'].' </span>';

    // always print the startpage
    echo '<span class="home">';
    tpl_pagelink(':'.$conf['start']);
    echo '</span>';

    // print intermediate namespace links
    $part = '';
    for($i = 0; $i < $count - 1; $i++) {
        $part .= $parts[$i].':';
        $page = $part;
        if($page == $conf['start']) continue; // Skip startpage

        // output
        echo $sep;
        tpl_pagelink($page);
    }

    // print current page, skipping start page, skipping for namespace index
    resolve_pageid('', $page, $exists);
    if(isset($page) && $page == $part.$parts[$i]) return true;
    $page = $part.$parts[$i];
    if($page == $conf['start']) return true;
    echo $sep;
    tpl_pagelink($page);
    return true;
}

/**
 * Print info if the user is logged in
 * and show full name in that case
 *
 * Could be enhanced with a profile link in future?
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @return bool
 */
function tpl_userinfo() {
    global $lang;
    /** @var Input $INPUT */
    global $INPUT;

    if($INPUT->server->str('REMOTE_USER')) {
        print $lang['loggedinas'].' '.userlink();
        return true;
    }
    return false;
}

/**
 * Print some info about the current page
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param bool $ret return content instead of printing it
 * @return bool|string
 */
function tpl_pageinfo($ret = false) {
    global $conf;