Transphporm\TSSValidator

Complexity

Total Complexity

14

Size/Duplication

Total Lines	42
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	2
Bugs	0	Features	0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	checkParenthesis()	0	3	1
A	validate()	0	9	3
A	validateRule()	0	6	4
A	checkBraces()	0	3	1
A	checkSemicolons()	0	8	3
A	tokenize()	0	4	2

<?php
/* @description     Transformation Style Sheets - Revolutionising PHP templating    *
 * @author          Tom Butler tom@r.je                                             *
 * @copyright       2017 Tom Butler <tom@r.je> | https://r.je/                      *
 * @license         http://www.opensource.org/licenses/bsd-license.php  BSD License *
 * @version         1.2                                                             */
 namespace Transphporm;
use Transphporm\Parser\Tokenizer;
class TSSValidator {
    private $error;

    public function validate($tss) {
        $this->error = null;
        $tokens = $this->tokenize($tss);

        foreach ($tokens as $token)
            if (!$this->validateRule($token)) return false;

        return true;
    }

    private function validateRule($token) {
        if ($token['type'] !== Tokenizer::OPEN_BRACE) return true;

        return $this->checkBraces($token) && $this->checkSemicolons($token)
            && $this->checkParenthesis($token);
    }

    private function checkBraces($token) {
        return strpos($token['string'], '{') === false;
    }

    private function checkSemicolons($braceToken) {
        $splitTokens = $braceToken['value']->splitOnToken(Tokenizer::COLON);
        array_shift($splitTokens); array_pop($splitTokens);
        foreach ($splitTokens as $tokens)
            if (!in_array(Tokenizer::SEMI_COLON, array_column(iterator_to_array($tokens), 'type'))) return false;

        return true;
    }

    private function checkParenthesis($token) {
        return substr_count($token['string'], '(') === substr_count($token['string'], ')');
    }

    private function tokenize($tss) {
        if (is_file($tss)) $tss = file_get_contents($tss);
        return (new Parser\Tokenizer($tss))->getTokens();
    }
}