protected function tryMatch($code, $mws, $gtLanguages, $clLanguages)
{
if ($mws !== '') {
$mwExp = true;
$lang = Language::factory($code);
} else {
$mwExp = false;
}
if (isset($gtLanguages[$code])) {
$gtExp = 'return (int) ' . str_replace('n', '$i', $gtLanguages[$code]) . ';';
} else {
$gtExp = false;
}
if (isset($clLanguages[$code])) {
$cldrExp = $clLanguages[$code];
} else {
$cldrExp = false;
}
for ($i = 0; $i <= 250; $i++) {
$mw = $gt = $cl = '?';
if ($mwExp) {
$exp = $lang->getCompiledPluralRules();
$mw = CLDRPluralRuleEvaluator::evaluateCompiled($i, $exp);
}
if ($gtExp) {
$gt = eval($gtExp);
}
if ($cldrExp) {
$cl = CLDRPluralRuleEvaluator::evaluate($i, $cldrExp);
}
if (self::comp($mw, $gt) && self::comp($gt, $cl) && self::comp($cl, $mw)) {
continue;
}
return "{$i}: {$mw} {$gt} {$cl}";
}
return '';
}
/**
* Get the compiled plural rules for a given language from the XML files.
* @since 1.20
*/
public function getCompiledPluralRules($code)
{
$rules = $this->getPluralRules($code);
if ($rules === null) {
return null;
}
try {
$compiledRules = CLDRPluralRuleEvaluator::compile($rules);
} catch (CLDRPluralRuleError $e) {
wfDebugLog('l10n', $e->getMessage());
return array();
}
return $compiledRules;
}
/**
* Find the index number of the plural rule appropriate for the given number
* @param int $number
* @return int The index number of the plural rule
*/
public function getPluralRuleIndexNumber($number)
{
$pluralRules = $this->getCompiledPluralRules();
$form = CLDRPluralRuleEvaluator::evaluateCompiled($number, $pluralRules);
return $form;
}
/**
* @dataProvider invalidTestCases
* @expectedException CLDRPluralRuleError
*/
function testInvalidRules($rules, $comment)
{
CLDRPluralRuleEvaluator::evaluate(1, (array) $rules);
}
/**
* Find the plural form matching to the given number
* It return the form index.
* @return int The index of the plural form
*/
private function getPluralForm($number)
{
$pluralRules = $this->getCompiledPluralRules();
$form = CLDRPluralRuleEvaluator::evaluateCompiled($number, $pluralRules);
return $form;
}
