/**
* Check Page Validity
*
* @access static
* @param string $page
* @param string $current
* @param array $visited
* @return string evaluated page
*/
function check_page($page, $current, $visited = array())
{
if (empty($page)) {
sonots::mythrow("No page is specified.");
return;
}
$page = get_fullname($page, $current);
if (!is_page($page)) {
sonots::mythrow('Page ' . sonots::make_pagelink_nopg($page) . ' does not exist.');
return;
}
if (!check_readable($page, false, false)) {
sonots::mythrow('Page ' . sonots::make_pagelink_nopg($page) . ' is not readable.');
return;
}
if (isset($visited[$page])) {
sonots::mythrow('Page ' . sonots::make_pagelink_nopg($page) . ' is already included.');
return;
}
return $page;
}
/**
* Get link of a page
*
* @access public
* @static
* @param string $page pagename
* @param string $linkstr linkstr
* @param string $option option
* - page : link to page
* - anchor : link to anchor
* - off : no link
* @return string
* @uses sonots::make_pagelink_nopg
* @uses sonots::make_pageanchor
*/
function link($page, $linkstr, $option)
{
switch ($option) {
case 'page':
$link = sonots::make_pagelink_nopg($page, $linkstr);
break;
case 'anchor':
$anchor = sonots::make_pageanchor($page);
$link = sonots::make_pagelink_nopg('', $linkstr, '#' . $anchor);
break;
case 'off':
$link = $linkstr;
break;
}
return $link;
}
/**
* Display Table of Contents
*
* @access public
* @static
* @param array &$headlines
* @param string $cssclass css class
* @param string $optlink link option
* @param boolean $optinclude show toc of including pages too or not
* @return string list html
*/
function display_toc(&$headlines, $cssclass = '', $optlink = 'anchor')
{
$links = $levels = array();
foreach ($headlines as $i => $headline) {
$linkstr = strip_htmltag(make_link($headline->string));
switch ($optlink) {
case 'page':
$link = sonots::make_pagelink_nopg($headline->page, $linkstr, '#' . $headline->anchor);
break;
case 'off':
$link = $linkstr;
break;
case 'anchor':
default:
$link = sonots::make_pagelink_nopg('', $linkstr, '#' . $headline->anchor);
break;
}
$links[$i] = $link;
$levels[$i] = $headline->depth;
}
return sonots::display_list($links, $levels, $cssclass);
}
