mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-11-14 03:43:13 +00:00
91 lines
2.7 KiB
PHP
91 lines
2.7 KiB
PHP
<?php
|
|
|
|
/**
|
|
* String utility
|
|
*
|
|
* This class is mainly used to implement the 'text-match' filter, used by both
|
|
* the CalDAV calendar-query REPORT, and CardDAV addressbook-query REPORT.
|
|
* Because they both need it, it was decided to put it in Sabre_DAV instead.
|
|
*
|
|
* @package Sabre
|
|
* @subpackage DAV
|
|
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
|
|
* @author Evert Pot (http://www.rooftopsolutions.nl/)
|
|
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
|
|
*/
|
|
class Sabre_DAV_StringUtil {
|
|
|
|
/**
|
|
* Checks if a needle occurs in a haystack ;)
|
|
*
|
|
* @param string $haystack
|
|
* @param string $needle
|
|
* @param string $collation
|
|
* @param string $matchType
|
|
* @return bool
|
|
*/
|
|
static public function textMatch($haystack, $needle, $collation, $matchType = 'contains') {
|
|
|
|
switch($collation) {
|
|
|
|
case 'i;ascii-casemap' :
|
|
// default strtolower takes locale into consideration
|
|
// we don't want this.
|
|
$haystack = str_replace(range('a','z'), range('A','Z'), $haystack);
|
|
$needle = str_replace(range('a','z'), range('A','Z'), $needle);
|
|
break;
|
|
|
|
case 'i;octet' :
|
|
// Do nothing
|
|
break;
|
|
|
|
case 'i;unicode-casemap' :
|
|
$haystack = mb_strtoupper($haystack, 'UTF-8');
|
|
$needle = mb_strtoupper($needle, 'UTF-8');
|
|
break;
|
|
|
|
default :
|
|
throw new Sabre_DAV_Exception_BadRequest('Collation type: ' . $collation . ' is not supported');
|
|
|
|
}
|
|
|
|
switch($matchType) {
|
|
|
|
case 'contains' :
|
|
return strpos($haystack, $needle)!==false;
|
|
case 'equals' :
|
|
return $haystack === $needle;
|
|
case 'starts-with' :
|
|
return strpos($haystack, $needle)===0;
|
|
case 'ends-with' :
|
|
return strrpos($haystack, $needle)===strlen($haystack)-strlen($needle);
|
|
default :
|
|
throw new Sabre_DAV_Exception_BadRequest('Match-type: ' . $matchType . ' is not supported');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* This method takes an input string, checks if it's not valid UTF-8 and
|
|
* attempts to convert it to UTF-8 if it's not.
|
|
*
|
|
* Note that currently this can only convert ISO-8559-1 to UTF-8 (latin-1),
|
|
* anything else will likely fail.
|
|
*
|
|
* @param string $input
|
|
* @return string
|
|
*/
|
|
static public function ensureUTF8($input) {
|
|
|
|
$encoding = mb_detect_encoding($input , array('UTF-8','ISO-8859-1'), true);
|
|
|
|
if ($encoding === 'ISO-8859-1') {
|
|
return utf8_encode($input);
|
|
} else {
|
|
return $input;
|
|
}
|
|
|
|
}
|
|
|
|
}
|