static function init()
{
$r = 'strip_regex';
self::$whitespace = '/\\s+/m';
self::$parentheses = '/\\(|\\)/m';
self::$filter_end = '/;/';
self::$boolean = '/true|false/';
self::$seperator = '/,/';
self::$pipe = '/\\|/';
self::$operator = '/\\s?(>|<|>=|<=|!=|==|!|and |not |or )\\s?/i';
self::$number = '/\\d+(\\.\\d*)?/';
self::$name = '/[a-zA-Z][a-zA-Z0-9-_]*(?:\\.[a-zA-Z_0-9][a-zA-Z0-9_-]*)*/';
self::$string = '/(?:
"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)" | # Double Quote string
\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\' # Single Quote String
)/xsm';
self::$i18n_string = "/_\\({$r(self::$string)}\\) | {$r(self::$string)}/xsm";
self::$named_args = "{\r\n ({$r(self::$name)})(?:{$r(self::$whitespace)})?\r\n : \r\n (?:{$r(self::$whitespace)})?({$r(self::$i18n_string)}|{$r(self::$number)}|{$r(self::$name)})\r\n }x";
}
self::$filter_end = '/;/';
self::$boolean = '/true|false/';
self::$seperator = '/,/';
self::$pipe = '/\\|/';
self::$operator = '/\\s?(>|<|>=|<=|!=|==|!|and |not |or )\\s?/i';
self::$number = '/\\d+(\\.\\d*)?/';
self::$name = '/[a-zA-Z][a-zA-Z0-9-_]*(?:\\.[a-zA-Z_0-9][a-zA-Z0-9_-]*)*/';
self::$string = '/(?:
"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)" | # Double Quote string
\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\' # Single Quote String
)/xsm';
self::$i18n_string = "/_\\({$r(self::$string)}\\) | {$r(self::$string)}/xsm";
self::$named_args = "{\r\n ({$r(self::$name)})(?:{$r(self::$whitespace)})?\r\n : \r\n (?:{$r(self::$whitespace)})?({$r(self::$i18n_string)}|{$r(self::$number)}|{$r(self::$name)})\r\n }x";
}
}
H2O_RE::init();
class ArgumentLexer
{
private $source;
private $match;
private $pos = 0, $fpos, $eos;
private $operator_map = array('!' => 'not', '!=' => 'ne', '==' => 'eq', '>' => 'gt', '<' => 'lt', '<=' => 'le', '>=' => 'ge');
function __construct($source, $fpos = 0)
{
if (!is_null($source)) {
$this->source = $source;
}
$this->fpos = $fpos;
}
function parse()
{
