public function test_regReplace()
{
$alpha = F\regReplace('/[^a-z]+/i', '');
$this->assertEquals('AbFd', $alpha('A12;b_{F}|d'));
}
/**
* Converts the given syntax to a string.
*
* @param Tarsana\Syntax\Syntax $value the data to encode
* @return string
*/
protected function doDump($value)
{
$result = '';
if ($value instanceof StringSyntax) {
$result = F\regReplace('/[^a-zA-Z-_]+/', '', $value->description());
} else {
if ($value instanceof NumberSyntax) {
$result = '#' . F\regReplace('/[^a-zA-Z-_]+/', '', $value->description());
} else {
if ($value instanceof BooleanSyntax) {
$result = F\regReplace('/[^a-zA-Z-_]+/', '', $value->description()) . '?';
} else {
if ($value instanceof ArraySyntax) {
$item = $value->itemSyntax();
$oldDescription = $item->description();
$text = $this->dump($item->description($value->description()));
$item->description($oldDescription);
$result = "{$text}[{$value->separator()}]";
} else {
if ($value instanceof ObjectSyntax) {
$fields = [];
foreach ($value->fields() as $name => $item) {
$oldDescription = $item->description();
$item->description($name);
$fields[] = $this->dump($item);
$item->description($oldDescription);
}
$fields = F\join($this->fieldsSeparator, $fields);
$name = F\regReplace('/[^a-zA-Z-_]+/', '', $value->description());
$result = "{$name}{{$value->separator()}{$this->fieldsSeparator}{$fields}}";
}
}
}
}
}
if (!$value->isRequired()) {
$result = "[{$result}]";
}
return $result;
}