<?php
/**
* @package s9e\TextFormatter
* @copyright Copyright (c) 2010-2022 The s9e authors
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\TextFormatter\Configurator\JavaScript;
use InvalidArgumentException;
class FunctionProvider
{
/**
* @param array Function name as keys, JavaScript source as values
*/
public static $cache = [
'addslashes' => 'function(str)
{
return str.replace(/["\'\\\\]/g, \'\\\\$&\').replace(/\\u0000/g, \'\\\\0\');
}',
'dechex' => 'function(str)
{
return parseInt(str).toString(16);
}',
'intval' => 'function(str)
{
return parseInt(str) || 0;
}',
'ltrim' => 'function(str)
{
return str.replace(/^[ \\n\\r\\t\\0\\x0B]+/g, \'\');
}',
'mb_strtolower' => 'function(str)
{
return str.toLowerCase();
}',
'mb_strtoupper' => 'function(str)
{
return str.toUpperCase();
}',
'mt_rand' => 'function(min, max)
{
return (min + Math.floor(Math.random() * (max + 1 - min)));
}',
'rawurlencode' => 'function(str)
{
return encodeURIComponent(str).replace(
/[!\'()*]/g,
/**
* @param {string} c
*/
function(c)
{
return \'%\' + c.charCodeAt(0).toString(16).toUpperCase();
}
);
}',
'rtrim' => 'function(str)
{
return str.replace(/[ \\n\\r\\t\\0\\x0B]+$/g, \'\');
}',
'str_rot13' => 'function(str)
{
return str.replace(
/[a-z]/gi,
function(c)
{
return String.fromCharCode(c.charCodeAt(0) + ((c.toLowerCase() < \'n\') ? 13 : -13));
}
);
}',
'stripslashes' => 'function(str)
{
// NOTE: this will not correctly transform \\0 into a NULL byte. I consider this a feature
// rather than a bug. There\'s no reason to use NULL bytes in a text.
return str.replace(/\\\\([\\s\\S]?)/g, \'\\\\1\');
}',
'strrev' => 'function(str)
{
return str.split(\'\').reverse().join(\'\');
}',
'strtolower' => 'function(str)
{
return str.toLowerCase();
}',
'strtotime' => 'function(str)
{
return Date.parse(str) / 1000;
}',
'strtoupper' => 'function(str)
{
return str.toUpperCase();
}',
'trim' => 'function(str)
{
return str.replace(/^[ \\n\\r\\t\\0\\x0B]+/g, \'\').replace(/[ \\n\\r\\t\\0\\x0B]+$/g, \'\');
}',
'ucfirst' => 'function(str)
{
return str[0].toUpperCase() + str.substring(1);
}',
'ucwords' => 'function(str)
{
return str.replace(
/(?:^|\\s)[a-z]/g,
function(m)
{
return m.toUpperCase()
}
);
}',
'urldecode' => 'function(str)
{
return decodeURIComponent("" + str);
}',
'urlencode' => 'function(str)
{
return encodeURIComponent(str);
}'
];
/**
* Return a function's source from the cache or the filesystem
*
* @param string $funcName Function's name
* @return string Function's source
*/
public static function get($funcName)
{
if (isset(self::$cache[$funcName]))
{
return self::$cache[$funcName];
}
if (preg_match('(^[a-z_0-9]+$)D', $funcName))
{
$filepath = __DIR__ . '/functions/' . $funcName . '.js';
if (file_exists($filepath))
{
return file_get_contents($filepath);
}
}
throw new InvalidArgumentException("Unknown function '" . $funcName . "'");
}
}