/**
* Get string used in html link
*
* @access public
* @static
* @param string $page pagename
* @param string $option option
* - name|page|pagename|absolute: pagename (absolute path)
* - base|basename : page basename
* - title : TITLE: of page
* - headline|firsthead : The first headline of a page
* - relative|relname : relative pagename from currdir
* @param string $currdir current dir name($currdir is required for relative)
* @param boolean $usecache use cache of Toc or not (used for title and headline)
* @return string
* @uses sonots::get_basename
* @uses title
* @uses firsthead
* @uses relname
*/
function linkstr($page, $option = 'relative', $currdir = '', $usecache = true)
{
switch ($option) {
case 'name':
case 'page':
case 'pagename':
case 'absolute':
default:
$linkstr = htmlspecialchars($page);
break;
case 'base':
case 'basename':
$linkstr = htmlspecialchars(sonots::get_basename($page));
break;
case 'title':
$title = PluginSonotsMetapage::title($page, $usecache);
if (is_null($title)) {
$linkstr = htmlspecialchars($page);
} else {
$linkstr = strip_htmltag(make_link($title));
}
break;
case 'firsthead':
case 'headline':
$firsthead = PluginSonotsMetapage::firsthead($page, $usecache);
if (is_null($firsthead)) {
$linkstr = htmlspecialchars($page);
} else {
$linkstr = strip_htmltag(make_link($firsthead));
}
break;
case 'relname':
case 'relative':
$linkstr = htmlspecialchars(PluginSonotsMetapage::relname($page, $currdir));
break;
}
return $linkstr;
}