/**
* Parse the conversion table stored in the cache.
*
* The tables should be in blocks of the following form:
* -{
* word => word ;
* word => word ;
* ...
* }-
*
* To make the tables more manageable, subpages are allowed
* and will be parsed recursively if $recursive == true.
*
*/
function parseCachedTable($code, $subpage = '', $recursive = true)
{
global $wgMessageCache;
static $parsed = array();
if (!is_object($wgMessageCache)) {
return array();
}
$key = 'Conversiontable/' . $code;
if ($subpage) {
$key .= '/' . $subpage;
}
if (array_key_exists($key, $parsed)) {
return array();
}
if (strpos($code, '/') === false) {
$txt = $wgMessageCache->get('Conversiontable', true, $code);
} else {
$title = Title::makeTitleSafe(NS_MEDIAWIKI, "Conversiontable/{$code}");
if ($title && $title->exists()) {
$article = new Article($title);
$txt = $article->getContents();
} else {
$txt = '';
}
}
// get all subpage links of the form
// [[MediaWiki:conversiontable/zh-xx/...|...]]
$linkhead = $this->mLangObj->getNsText(NS_MEDIAWIKI) . ':Conversiontable';
$subs = StringUtils::explode('[[', $txt);
$sublinks = array();
foreach ($subs as $sub) {
$link = explode(']]', $sub, 2);
if (count($link) != 2) {
continue;
}
$b = explode('|', $link[0], 2);
$b = explode('/', trim($b[0]), 3);
if (count($b) == 3) {
$sublink = $b[2];
} else {
$sublink = '';
}
if ($b[0] == $linkhead && $b[1] == $code) {
$sublinks[] = $sublink;
}
}
// parse the mappings in this page
$blocks = StringUtils::explode('-{', $txt);
$ret = array();
$first = true;
foreach ($blocks as $block) {
if ($first) {
// Skip the part before the first -{
$first = false;
continue;
}
$mappings = explode('}-', $block, 2);
$stripped = str_replace(array("'", '"', '*', '#'), '', $mappings[0]);
$table = StringUtils::explode(';', $stripped);
foreach ($table as $t) {
$m = explode('=>', $t, 3);
if (count($m) != 2) {
continue;
}
// trim any trailling comments starting with '//'
$tt = explode('//', $m[1], 2);
$ret[trim($m[0])] = trim($tt[0]);
}
}
$parsed[$key] = true;
// recursively parse the subpages
if ($recursive) {
foreach ($sublinks as $link) {
$s = $this->parseCachedTable($code, $link, $recursive);
$ret = array_merge($ret, $s);
}
}
if ($this->mUcfirst) {
foreach ($ret as $k => $v) {
$ret[Language::ucfirst($k)] = Language::ucfirst($v);
}
}
return $ret;
}
