Escape::htmlEscape() - Code Metrics - Inspection of "Filter, Interpreter and rules updated" - linna/filter - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( a22c64...b9cca4 )

by Sebastian

created 2017-12-07 18:30 UTC

Escape::htmlEscape() C

↳ Parent: Escape

Complexity

Conditions	9
Paths	3

Size

Total Lines	22
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	9

Importance

Changes

Metric	Value
cc	9
eloc	13
nc	3
nop	1
dl	0
loc	22
ccs	13
cts	13
cp	1
crap	9
rs	6.412
c	0
b	0
f	0

<?php

/**
 * Linna Filter
 *
 * @author Sebastian Rapetti <[email protected]>
 * @copyright (c) 2017, Sebastian Rapetti
 * @license http://opensource.org/licenses/MIT MIT License
 */
declare(strict_types = 1);

namespace Linna\Filter\Rules;

/**
 * Return html entities.
 */
class Escape
{
    /**
     * Sanitize.
     *
     * @param mixed $value
     */
    public function sanitize(&$value)
    {
        $value = $this->htmlEscape($value);
    }
    
    /**
     * Return numerical part of the HTML encoding of the Unicode character.
     *
     * @param string $char
     * @return int
     */
    private function ordutf8(string $char) : int
    {
        $code = ord(substr($char, 0, 1));
        $code = ord(/** @scrutinizer ignore-type */ substr($char, 0, 1));

        if ($code > 127) {

            //110xxxxx
            $bytes = 2;
            $count = 0;

            if ($code > 223) {
                //1110xxxx
                $bytes = 3;
                $count = 32;
            }

            if ($code > 239) {
                //11110xxx
                $bytes = 4;
                $count = 48;
            }

            $temp = $code - 192 - $count;

            for ($i = 1; $i < $bytes; $i++) {
                $code = $temp = $temp * 64 + ord(substr($char, $i, 1)) - 128;
            }
        }

        return $code;
    }

    /**
     * Convert char to html entities.
     *
     * @param string $string
     * @return string
     */
    private function htmlEscape(string $string) : string
    {
        $chars = preg_split('//u', $string, 0, PREG_SPLIT_NO_EMPTY);
        $escaped = '';

        foreach ($chars as $key => $char) {
            $ord = $this->ordutf8($char, $key);
            $ord = $this->ordutf8($char, $key);

            if (
                ($ord > 32 && $ord < 48) ||
                ($ord > 57 && $ord < 65) ||
                ($ord > 90 && $ord < 97) ||
                ($ord > 122)
            ) {
                $escaped .= "&#{$ord};";
                continue;
            }

            $escaped .= $char;
        }

        return $escaped;
    }
}


linna / filter

Push — master ( a22c64...b9cca4 )

Escape::htmlEscape() C

Complexity

Size

Duplication

Code Coverage

Importance

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