NoOne4rever\Axessors\InjectedStringSuit

Complexity

Total Complexity

3

Size/Duplication

Total Lines	47
Duplicated Lines	0 %

Test Coverage

Coverage

88.24%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	addSlashes()	0	8	1
A	resolveClassNames()	0	10	1
A	__construct()	0	3	1

<?php
/**
 * This file is a part of "Axessors" library.
 *
 * @author <NoOne4rever@gmail.com>
 * @license GPL
 */

namespace NoOne4rever\Axessors;

/**
 * Class InjectedStringParser.
 * 
 * Processes *injected* callbacks and conditions.
 * 
 * @package NoOne4rever\Axessors
 */
class InjectedStringSuit
{
    /** @var string expression */
    private $expression;

    /**
     * InjectedStringSuit constructor.
     *
     * @param string $expression expression
     */
    public function __construct(string $expression)
    {
        $this->expression = $expression;
    }

    /**
     * Resolves class names in *injected* callbacks and conditions.
     *
     * @param string $namespace namespace
     * @return string expression with resolved class names
     */
    public function resolveClassNames(string $namespace): string
    {
        $expression = preg_replace_callback('/"[^"]"|\'[^\']\'/', function (array $matches) {
            return str_replace(':', ':\\', $matches[0]);
        }, $this->expression);
        $expression = preg_replace('/(?<!:):(?=([a-zA-Z_][a-zA-Z0-9_]*))/', "$namespace\\", $expression);
        $expression = preg_replace_callback('/"[^"]"|\'[^\']\'/', function (array $matches) {
            return str_replace(':\\', ':', $matches[0]);
        }, $expression);
        return $expression;
    }

    /**
     * Adds slashes to string.
     * 
     * @param string $charlist symbols add slashes to
     * @return string string with slashes
     */
    public function addSlashes(string $charlist): string 
    {
        return preg_replace_callback(
            '/`([^`]|\\\\`)+((?<!\\\\)`)/',
            function (array $matches) use($charlist): string {
                return addcslashes($matches[0], $charlist);
            },
            $this->expression
        );
    }
}