Matecat\Finder\Helper\RegexEscaper

Complexity

Total Complexity

13

Size/Duplication

Total Lines	81
Duplicated Lines	0 %

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	escapeRegularPattern()	0	5	1
A	getLastBounduaryPosition()	0	9	3
A	getFirstBounduaryPosition()	0	9	3
A	isBoundary()	0	3	2
A	escapeWholeTextPattern()	0	20	4

<?php

namespace Matecat\Finder\Helper;

class RegexEscaper
{
    /**
     * @param string $needle
     *
     * @return string
     */
    public static function escapeWholeTextPattern($needle)
    {
        $escapedNeedle = self::escapeRegularPattern($needle);
        $splittedNeedle = Strings::split($escapedNeedle);

        $final = '';

        foreach ($splittedNeedle as $index => $letter) {
            if ($index === self::getFirstBounduaryPosition($splittedNeedle)) {
                $final .= "\\b";
            }

            $final .= $letter;

            if ($index === self::getLastBounduaryPosition($splittedNeedle)) {
                $final .= "\\b";
            }
        }

        return $final;
    }

    /**
     * @param array $splittedNeedle
     *
     * @return int
     */
    private static function getFirstBounduaryPosition($splittedNeedle)
    {
        for ($i=0; $i < count($splittedNeedle); $i++) {

It seems like you are calling the size function count() as part of the test condition. You might want to compute the size beforehand, and not on each iteration.

            if (self::isBoundary($splittedNeedle[$i])) {
                return $i;
            }
        }

        return -1;
    }

    /**
     * @param array $splittedNeedle
     *
     * @return int
     */
    private static function getLastBounduaryPosition($splittedNeedle)
    {
        for ($i=(count($splittedNeedle)-1); $i >= 0; $i--) {
            if (self::isBoundary($splittedNeedle[$i])) {
                return $i;
            }
        }

        return -1;
    }

    /**
     * @param string $letter
     *
     * @return bool
     */
    private static function isBoundary($letter)
    {
        return (preg_match("/[\w]/iu", $letter) > 0) ? true : false;
    }

    /**
     * @param string $needle
     *
     * @return string
     */
    public static function escapeRegularPattern($needle)
    {
        $needle = preg_quote($needle);

        return str_replace("/", "\/", $needle);
    }
}