Matecat\SubFiltering\Filters\EncodeToRawXML

Complexity

Total Complexity

4

Size/Duplication

Total Lines	37
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	transform()	0	36	4

<?php

namespace Matecat\SubFiltering\Filters;

use Matecat\SubFiltering\Commons\AbstractHandler;
use Matecat\SubFiltering\Utils\Utils;

class EncodeToRawXML extends AbstractHandler {
    public function transform( string $segment ): string {

        // handling &#10; (line feed)
        // prevent to convert it to \n
        $segment = preg_replace( '/&(#10;|#x0A;)|\n/', '##_ent_0A_##', $segment );

        // handling &#13; (carriage return)
        // prevent to convert it to \r
        $segment = preg_replace( '/&(#13;|#x0D;)|\r/', '##_ent_0D_##', $segment );

        // handling &#09; (tab)
        // prevent to convert it to \t
        $segment = preg_replace( '/&#09;|\t/', '##_ent_09_##', $segment );

        //Substitute 4(+)-byte characters from a UTF-8 string to htmlentities
        $segment = preg_replace_callback( '/([\xF0-\xF7]...)/s', [ Utils::class, 'htmlentitiesFromUnicode' ], $segment );

        // handling &#10;
        if ( strpos( $segment, '##_ent_0D_##' ) !== false ) {
            $segment = str_replace( '##_ent_0D_##', '&#13;', $segment );
        }

        // handling &#13;
        if ( strpos( $segment, '##_ent_0A_##' ) !== false ) {
            $segment = str_replace( '##_ent_0A_##', '&#10;', $segment );
        }

        // handling &#09; (tab)
        // prevent to convert it to \t
        if ( strpos( $segment, '##_ent_09_##' ) !== false ) {
            $segment = str_replace( '##_ent_09_##', '&#09;', $segment );
        }


        //encode all not valid XML entities
        return preg_replace( '/&(?!lt;|gt;|amp;|quot;|apos;|#[x]{0,1}[0-9A-F]{1,7};)/', '&amp;', $segment );
    }
}