forked from joomla/Component-Builder
79 lines
2.0 KiB
PHP
79 lines
2.0 KiB
PHP
<?php
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/**
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* @package Joomla.Component.Builder
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*
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* @created 3rd September, 2020
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* @author Llewellyn van der Merwe <https://dev.vdm.io>
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* @git Joomla Component Builder <https://git.vdm.dev/joomla/Component-Builder>
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* @copyright Copyright (C) 2015 Vast Development Method. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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namespace VDM\Joomla\Utilities\String;
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use VDM\Joomla\Utilities\StringHelper;
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/**
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* Control the naming of a namespace helper
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*
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* @since 3.0.9
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*/
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abstract class NamespaceHelper
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{
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/**
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* Making namespace safe
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*
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* @param string $string The namespace string you would like to make safe
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*
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* @return string on success
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* @since 3.0.9
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*/
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public static function safe(string $string): string
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{
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// Remove leading and trailing backslashes
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$string = trim($string, '\\');
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// Split the string into namespace segments
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$segments = explode('\\', $string);
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// make each segment safe
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$segments = array_map([self::class, 'safeSegment'], $segments);
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// Join the namespace segments back together
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return implode('\\', $segments);
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}
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/**
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* Making one namespace segment safe
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*
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* @param string $string The namespace segment string you would like to make safe
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*
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* @return string on success
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* @since 3.0.9
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*/
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public static function safeSegment(string $string): string
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{
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// Check if segment starts with a number
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if (preg_match("/^\d/", $string))
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{
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// Extract the starting number(s)
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preg_match("/^\d+/", $string, $matches);
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if (isset($matches[0]))
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{
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$numberWord = StringHelper::numbers($matches[0]);
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$string = str_replace($matches[0], $numberWord, $string);
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}
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}
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// Transliterate string TODO: look again as this makes it lowercase
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// $segment = StringHelper::transliterate($segment);
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// Make sure segment only contains valid characters
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return preg_replace("/[^A-Za-z0-9]/", '', $string);
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}
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}
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