/**
* Will return a normalized ie unicode sequences been evaluated.
*
* @return string a normalized character class string
* @param ReverseRegex\Generator\Scope $head
* @param ReverseRegex\Generator\Scope $set
* @param Lexer $lexer the lexer to normalize
*/
public function normalize(Scope $head, Scope $set, Lexer $lexer)
{
$collection = array();
$unicode = new Unicode();
while ($lexer->moveNext() && !$lexer->isNextToken(Lexer::T_SET_CLOSE)) {
$value = null;
switch (true) {
case $lexer->isNextTokenAny(array(Lexer::T_SHORT_UNICODE_X, Lexer::T_SHORT_P, Lexer::T_SHORT_X)):
$collection[] = $unicode->evaluate($lexer);
break;
case $lexer->isNextTokenAny(array(Lexer::T_LITERAL_CHAR, Lexer::T_LITERAL_NUMERIC)):
$collection[] = $lexer->lookahead['value'];
break;
case $lexer->isNextToken(Lexer::T_SET_RANGE):
$collection[] = '-';
break;
case $lexer->isNextToken(Lexer::T_ESCAPE_CHAR):
$collection[] = '\\';
break;
default:
throw new ParserException('Illegal meta character detected in character class');
}
}
/*
if($lexer->lookahead['type'] === null) {
throw new ParserException('Closing character set token not found');
} */
return '[' . implode('', $collection) . ']';
}
public function testShortX()
{
$lexer = new Lexer('\\x64');
$scope = new Scope();
$parser = new Unicode();
$head = new LiteralScope('lit1', $scope);
$lexer->moveNext();
$lexer->moveNext();
$parser->parse($head, $scope, $lexer);
$result = $head->getLiterals();
$this->assertEquals('d', $result[0]);
}
