/**
* Convert a piece of text from "wiki" markup to XHTML markup for display
* @param string $body Text to convert
* @return string XHTML markup
*/
static function convert($body)
{
// Ensure only plain text
$body = check_plain($body);
// Any parsing to do? Quick check
if (strpos($body, '[[') !== false) {
$body = sscText::_parse_tags($body);
}
// Headings
for ($i = 4; $i > 2; $i--) {
$h = str_repeat('=', $i - 1);
$body = preg_replace("/{$h}(.+){$h}/", "\n<h{$i}>\\1</h{$i}>\n", $body);
}
// Prepare to parse paragraphs
if (strpos($body, "\r") !== false) {
// Are \r's
if (strpos($body, "\n") !== false) {
// \n's too
// Assume windows \r\n format
$body = str_replace("\r", '', $body);
} else {
// No \n's
$body = str_replace("\r", "\n", $body);
}
}
// Parsing of paragraphs (normal and specialised), lists, etc
$bulk = explode("\n", $body);
$inpara = false;
$body = '';
$count = count($bulk);
// Loop through each line
for ($i = 0; $i < $count; $i++) {
// Check first character
if (empty($bulk[$i])) {
if ($inpara) {
$body .= '</p><p>';
} else {
$body .= '<p>';
$inpara = true;
}
continue;
}
switch (substr($bulk[$i], 0, 1)) {
case ' ':
// Space - denotes pre-formatted stuff for code
if ($inpara) {
$body .= '</p>';
$inpara = false;
}
$body .= '<pre>';
do {
$body .= $bulk[$i] . '\\n';
$i++;
} while (isset($bulk[$i][0]) && $bulk[$i][0] == ' ');
$body .= '</pre>';
$i--;
break;
case '*':
// Asterisk - denotes bulleted list
if ($inpara) {
$body .= '</p>';
$inpara = false;
}
$body .= sscText::_do_list($bulk, $i);
break;
default:
if (strpos($bulk[$i], '<h') !== false) {
if ($inpara) {
$inpara = false;
$body .= '</p>';
}
} else {
if (!$inpara) {
$body .= '<p>';
$inpara = true;
}
}
$body .= $bulk[$i];
}
}
if ($inpara) {
$body .= '</p>';
}
while (strpos($body, '<p></p>') !== false) {
$body = str_replace('<p></p>', '', $body);
}
return $body;
}
