db949bb802
Only define functions if they have not been defined before, e.g. in themes. This makes it possible to override parts of a module and still use the other functions.
103 lines
2.4 KiB
PHP
103 lines
2.4 KiB
PHP
<?php
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require_once('library/markdown.php');
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if (!function_exists('load_doc_file')) {
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function load_doc_file($s) {
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global $lang;
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if (!isset($lang))
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$lang = 'en';
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$b = basename($s);
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$d = dirname($s);
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if (file_exists("$d/$lang/$b"))
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return file_get_contents("$d/$lang/$b");
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if (file_exists($s))
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return file_get_contents($s);
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return '';
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}
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}
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if(! function_exists('help_content')) {
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function help_content(&$a) {
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nav_set_selected('help');
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global $lang;
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$text = '';
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if ($a->argc > 1) {
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$path = '';
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// looping through the argv keys bigger than 0 to build
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// a path relative to /help
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for($x = 1; $x < argc(); $x ++) {
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if(strlen($path))
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$path .= '/';
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$path .= argv($x);
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}
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$title = basename($path);
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$filename = $path;
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$text = load_doc_file('doc/' . $path . '.md');
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$a->page['title'] = t('Help:') . ' ' . str_replace('-', ' ', notags($title));
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}
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$home = load_doc_file('doc/Home.md');
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if (!$text) {
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$text = $home;
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$filename = "Home";
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$a->page['title'] = t('Help');
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} else {
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$a->page['aside'] = Markdown($home);
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}
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if (!strlen($text)) {
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header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
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$tpl = get_markup_template("404.tpl");
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return replace_macros($tpl, array(
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'$message' => t('Page not found.')
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));
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}
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$html = Markdown($text);
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if ($filename !== "Home") {
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// create TOC but not for home
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$lines = explode("\n", $html);
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$toc="<style>aside ul {padding-left: 1em;}</style><h2>TOC</h2><ul id='toc'>";
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$lastlevel=1;
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$idnum = array(0,0,0,0,0,0,0);
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foreach($lines as &$line){
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if (substr($line,0,2)=="<h") {
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$level = substr($line,2,1);
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if ($level!="r") {
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$level = intval($level);
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if ($level<$lastlevel) {
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for($k=$level;$k<$lastlevel; $k++) $toc.="</ul>";
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for($k=$level+1;$k<count($idnum);$k++) $idnum[$k]=0;
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}
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if ($level>$lastlevel) $toc.="<ul>";
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$idnum[$level]++;
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$id = implode("_", array_slice($idnum,1,$level));
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$href = $a->get_baseurl()."/help/{$filename}#{$id}";
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$toc .= "<li><a href='{$href}'>".strip_tags($line)."</a></li>";
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$line = "<a name='{$id}'></a>".$line;
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$lastlevel = $level;
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}
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}
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}
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for($k=1;$k<$lastlevel; $k++) $toc.="</ul>";
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$html = implode("\n",$lines);
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$a->page['aside'] = $toc.$a->page['aside'];
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}
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$html = "
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<style>
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.md_warning {
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padding: 1em; border: #ff0000 solid 2px;
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background-color: #f9a3a3; color: #ffffff;
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}
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</style>".$html;
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return $html;
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}
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}
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