| 1: | <?php |
| 2: | |
| 3: | /** |
| 4: | * Fluent interface for validating the contents of member variables. |
| 5: | * This should be immutable. See HTMLPurifier_ConfigSchema_Validator for |
| 6: | * use-cases. We name this an 'atom' because it's ONLY for validations that |
| 7: | * are independent and usually scalar. |
| 8: | */ |
| 9: | class HTMLPurifier_ConfigSchema_ValidatorAtom |
| 10: | { |
| 11: | /** |
| 12: | * @type string |
| 13: | */ |
| 14: | protected $context; |
| 15: | |
| 16: | /** |
| 17: | * @type object |
| 18: | */ |
| 19: | protected $obj; |
| 20: | |
| 21: | /** |
| 22: | * @type string |
| 23: | */ |
| 24: | protected $member; |
| 25: | |
| 26: | /** |
| 27: | * @type mixed |
| 28: | */ |
| 29: | protected $contents; |
| 30: | |
| 31: | public function __construct($context, $obj, $member) |
| 32: | { |
| 33: | $this->context = $context; |
| 34: | $this->obj = $obj; |
| 35: | $this->member = $member; |
| 36: | $this->contents =& $obj->$member; |
| 37: | } |
| 38: | |
| 39: | /** |
| 40: | * @return HTMLPurifier_ConfigSchema_ValidatorAtom |
| 41: | */ |
| 42: | public function assertIsString() |
| 43: | { |
| 44: | if (!is_string($this->contents)) { |
| 45: | $this->error('must be a string'); |
| 46: | } |
| 47: | return $this; |
| 48: | } |
| 49: | |
| 50: | /** |
| 51: | * @return HTMLPurifier_ConfigSchema_ValidatorAtom |
| 52: | */ |
| 53: | public function assertIsBool() |
| 54: | { |
| 55: | if (!is_bool($this->contents)) { |
| 56: | $this->error('must be a boolean'); |
| 57: | } |
| 58: | return $this; |
| 59: | } |
| 60: | |
| 61: | /** |
| 62: | * @return HTMLPurifier_ConfigSchema_ValidatorAtom |
| 63: | */ |
| 64: | public function assertIsArray() |
| 65: | { |
| 66: | if (!is_array($this->contents)) { |
| 67: | $this->error('must be an array'); |
| 68: | } |
| 69: | return $this; |
| 70: | } |
| 71: | |
| 72: | /** |
| 73: | * @return HTMLPurifier_ConfigSchema_ValidatorAtom |
| 74: | */ |
| 75: | public function assertNotNull() |
| 76: | { |
| 77: | if ($this->contents === null) { |
| 78: | $this->error('must not be null'); |
| 79: | } |
| 80: | return $this; |
| 81: | } |
| 82: | |
| 83: | /** |
| 84: | * @return HTMLPurifier_ConfigSchema_ValidatorAtom |
| 85: | */ |
| 86: | public function assertAlnum() |
| 87: | { |
| 88: | $this->assertIsString(); |
| 89: | if (!ctype_alnum($this->contents)) { |
| 90: | $this->error('must be alphanumeric'); |
| 91: | } |
| 92: | return $this; |
| 93: | } |
| 94: | |
| 95: | /** |
| 96: | * @return HTMLPurifier_ConfigSchema_ValidatorAtom |
| 97: | */ |
| 98: | public function assertNotEmpty() |
| 99: | { |
| 100: | if (empty($this->contents)) { |
| 101: | $this->error('must not be empty'); |
| 102: | } |
| 103: | return $this; |
| 104: | } |
| 105: | |
| 106: | /** |
| 107: | * @return HTMLPurifier_ConfigSchema_ValidatorAtom |
| 108: | */ |
| 109: | public function assertIsLookup() |
| 110: | { |
| 111: | $this->assertIsArray(); |
| 112: | foreach ($this->contents as $v) { |
| 113: | if ($v !== true) { |
| 114: | $this->error('must be a lookup array'); |
| 115: | } |
| 116: | } |
| 117: | return $this; |
| 118: | } |
| 119: | |
| 120: | /** |
| 121: | * @param string $msg |
| 122: | * @throws HTMLPurifier_ConfigSchema_Exception |
| 123: | */ |
| 124: | protected function error($msg) |
| 125: | { |
| 126: | throw new HTMLPurifier_ConfigSchema_Exception(ucfirst($this->member) . ' in ' . $this->context . ' ' . $msg); |
| 127: | } |
| 128: | } |
| 129: | |
| 130: | // vim: et sw=4 sts=4 |
| 131: |