<?php
/**
* Fluent interface for validating the contents of member variables.
* This should be immutable. See HTMLPurifier_ConfigSchema_Validator for
* use-cases. We name this an 'atom' because it's ONLY for validations that
* are independent and usually scalar.
*/
class HTMLPurifier_ConfigSchema_ValidatorAtom
{
/**
* @type string
*/
protected $context;
/**
* @type object
*/
protected $obj;
/**
* @type string
*/
protected $member;
/**
* @type mixed
*/
protected $contents;
public function __construct($context, $obj, $member)
{
$this->context = $context;
$this->obj = $obj;
$this->member = $member;
$this->contents =& $obj->$member;
}
/**
* @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertIsString()
{
if (!is_string($this->contents)) {
$this->error('must be a string');
}
return $this;
}
/**
* @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertIsBool()
{
if (!is_bool($this->contents)) {
$this->error('must be a boolean');
}
return $this;
}
/**
* @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertIsArray()
{
if (!is_array($this->contents)) {
$this->error('must be an array');
}
return $this;
}
/**
* @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertNotNull()
{
if ($this->contents === null) {
$this->error('must not be null');
}
return $this;
}
/**
* @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertAlnum()
{
$this->assertIsString();
if (!ctype_alnum($this->contents)) {
$this->error('must be alphanumeric');
}
return $this;
}
/**
* @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertNotEmpty()
{
if (empty($this->contents)) {
$this->error('must not be empty');
}
return $this;
}
/**
* @return HTMLPurifier_ConfigSchema_ValidatorAtom
*/
public function assertIsLookup()
{
$this->assertIsArray();
foreach ($this->contents as $v) {
if ($v !== true) {
$this->error('must be a lookup array');
}
}
return $this;
}
/**
* @param string $msg
* @throws HTMLPurifier_ConfigSchema_Exception
*/
protected function error($msg)
{
throw new HTMLPurifier_ConfigSchema_Exception(ucfirst($this->member) . ' in ' . $this->context . ' ' . $msg);
}
}
// vim: et sw=4 sts=4