0
0
mirror of https://github.com/ezyang/htmlpurifier.git synced 2024-12-23 08:51:53 +00:00
htmlpurifier/library/HTMLPurifier/ConfigSchema/ValidatorAtom.php
2008-03-22 20:26:04 +00:00

48 lines
1.3 KiB
PHP

<?php
/**
* Fluent interface for validating the contents of member variables.
* This should be immutable. See HTMLPurifier_ConfigSchema_Validator for
* use-cases.
*/
class HTMLPurifier_ConfigSchema_ValidatorAtom
{
protected $interchange, $context, $obj, $member, $contents;
public function __construct($interchange, $context, $obj, $member) {
$this->interchange = $interchange;
$this->context = $context;
$this->obj = $obj;
$this->member = $member;
$this->contents =& $obj->$member;
}
public function assertIsString() {
if (!is_string($this->contents)) $this->error('must be a string');
return $this;
}
public function assertNotNull() {
if (is_null($this->contents)) $this->error('must not be null');
return $this;
}
public function assertAlnum() {
if (!ctype_alnum($this->contents)) $this->error('must be alphanumeric');
return $this;
}
public function assertNotEmpty() {
if (empty($this->contents)) $this->error('must not be empty');
return $this;
}
protected function error($msg) {
throw new HTMLPurifier_ConfigSchema_Exception('Member variable \'' . $this->member . '\' in ' . $this->context . ' ' . $msg);
}
}