/**
* Returns an array with the URLs of a page (plus optinal section if it's a
* a partial editing) to view.
* @param String $pagename
* @param String $anchor Section name
* @param String $anchortype (0, 1, 2)<br>
* 0: no anchor<br>
* 1: [[page#section]]<br>
* 2: [[page##section]]
* @return Array URLs Contains a list (if there are more than one section
* with the same name in the same page) of URLs that
* match the page and section
*/
function wiki_view_page_url($pagename, $anchor = '', $anchortype = 0, $wikibook = '')
{
global $CFG, $COURSE, $WS;
if ($wikibook) {
$wikibook = '&wikibook=' . urlencode($wikibook);
}
// support page synonyms
$pagename = wiki_get_real_pagename($pagename);
$urls = array();
$page = wiki_page_last_version($pagename);
if ($page) {
$sectionnums = wiki_get_section_positions($page->content, $anchor);
}
if ($page && $anchortype > 0 && count($sectionnums) > 0) {
if ($anchortype == 1) {
// [[page#section]]
foreach ($sectionnums as $sectionnum) {
$newurl = 'view.php?id=$COURSE->id&page=view/' . urlencode($pagename) . '&gid=$gid&uid=$uid' . $wikibook . '#' . $sectionnum;
$newurl = wiki_format_url($newurl);
$urls[] = $newurl;
}
} else {
if ($anchortype == 2) {
// [[page##section]]
foreach ($sectionnums as $sectionnum) {
$newurl = 'view.php?id=$COURSE->id&page=view/' . urlencode($pagename) . '&gid=$gid&uid=$uid' . $wikibook . '&section=' . urlencode($anchor) . '&sectionnum=' . $sectionnum;
$newurl = wiki_format_url($newurl);
$urls[] = $newurl;
}
}
}
} else {
// no anchor
$newurl = 'view.php?id=' . $COURSE->id . '&page=' . urlencode($pagename) . '&gid=$gid&uid=$uid' . $wikibook;
$newurl = wiki_format_url($newurl);
$urls[] = $newurl;
}
return $urls;
}
/**
* Returns true if the section exist in the page
*
* @param $pagename Page name
* @param $section Section name
*/
function wiki_section_exists($pagename, $section)
{
$pagename = wiki_get_real_pagename($pagename);
$page = wiki_page_last_version($pagename);
$sectionnums = wiki_get_section_positions($page->content, $section);
if (count($sectionnums) < 1) {
return false;
}
return true;
}
function parse_nwiki_text($text)
{
global $regex, $nowikitext, $USER, $tocheaders, $WS;
// Security Patch !!!
// $find will contain the regex to find
// $find = array_keys($regex['than']);
// $replace will contain the replacements of items in $find
// $replace = array_values($regex['than']);
// $text = preg_replace($find, $replace, $text);
$section = optional_param('section', '', PARAM_TEXT);
$sectionnum = optional_param('sectionnum', 0, PARAM_INTEGER);
$sectionhash = optional_param('sectionhash', '', PARAM_TEXT);
$preview = optional_param('dfformpreview', NULL, PARAM_TEXT);
$action = optional_param('dfformaction', NULL, PARAM_TEXT);
if (!($section == '' && $sectionnum == 0) && $preview == '' && $action == '') {
// check if the section exists or it has been deleted
$section = stripslashes($section);
$section_positions = wiki_get_section_positions($text, $section);
if (!in_array($sectionnum, $section_positions)) {
$num_positions = count($section_positions);
if ($num_positions == 0) {
// section has been deleted
$error_text = get_string('sectionerror', 'wiki', $section) . ': ' . strtolower(get_string('sectiondeleted', 'wiki'));
error($error_text);
} elseif ($num_positions == 1) {
// section position has changed
$sectionnum = $section_positions[0];
} else {
// there are more than one section with this name
$error_text = get_string('sectionerror', 'wiki', $section) . ': ' . strtolower(get_string('sectionmultiple', 'wiki')) . ': ';
if (isset($WS->dfcourse)) {
$type = 'course';
} else {
$type = 'mod';
}
$urls = wiki_view_page_url($WS->page, $section, 2, '', $type);
$num_urls = count($urls);
for ($i = 0; $i < $num_urls; $i++) {
if ($i == 0) {
$error_text .= '<a href="' . $urls[$i] . '">[[' . $WS->page . '##' . $section . '</a>';
} elseif ($i == $num_urls - 1) {
$error_text .= ', <a href="' . $urls[$i] . '">' . ($i + 1) . ']]</a>';
} else {
$error_text .= ', <a href="' . $urls[$i] . '">' . ($i + 1) . '</a>';
}
}
error($error_text);
}
}
$res = wiki_split_sections($text, $section, $sectionnum);
if ($res->error != '') {
$text = $res->error;
} else {
$text = $res->current_part;
}
}
// Remove carriage returns
$text = str_replace("\r", "", $text);
foreach ($regex['nowiki'] as $match => $func) {
$text = preg_replace_callback($match, $func, $text);
}
foreach ($regex['variable'] as $match => $func) {
$text = preg_replace_callback($match, $func, $text);
}
// $find will contain the regex to find
$find = array_keys($regex['replace']);
// $replace will contain the replacements of items in $find
$replace = array_values($regex['replace']);
$text2 = preg_replace($find, $replace, $text);
foreach ($nowikitext as $index => $singlenowikitext) {
$text2 = preg_replace("/<<ThisIsThePlaceOfTheNoWikiText-{$index}>>/", $singlenowikitext, $text2);
}
// here comes the TOC, search for --TOC-- and include the real TOC
$toc = parse_toc($tocheaders);
$text2 = str_replace("NWikiTableOfContents", $toc, $text2);
$text2 = preg_replace('/^\\n/m', '</p><p>', $text2);
// remove empty paragraphs
$text2 = preg_replace('/<p>\\s*<\\/p>/s', '', "<p>{$text2}</p>");
// join consecutive pre blocks
$text2 = preg_replace('/<\\/pre>\\s*<pre class="quote">/s', '<br />', $text2);
$options->para = false;
return format_text($text2, FORMAT_HTML, $options);
//return $text2;
}