Ben Roberts
46cd0f0c98
tidied up unneeded files, played with css added an empty projects page. removed the cv page and instead hyperlinked directly to .pdf
116 lines
3.1 KiB
PHP
116 lines
3.1 KiB
PHP
<?php
|
|
|
|
/*
|
|
* IValidator
|
|
*
|
|
*/
|
|
|
|
interface IValidator {
|
|
|
|
/* Overhead to be called internally by the validator */
|
|
|
|
// Called when the class is first loaded
|
|
public static function initialise();
|
|
// Called whent the validation engine shuts down
|
|
public static function shutdown();
|
|
// Called when a validator object is associated with a variable to be validated
|
|
public function associate();
|
|
// Called when a validator obhject is disassociated from a variable having been validated
|
|
public function disassociate();
|
|
|
|
// Validate some input against the constructor parameters
|
|
public function validate($input);
|
|
|
|
};
|
|
|
|
/*
|
|
* IValidatorFactory
|
|
* Creates an instance of an Validator module, given its name
|
|
*/
|
|
class IValidatorFactory {
|
|
|
|
// Prevent any instances of this class being constructed
|
|
private function __construct() {
|
|
|
|
}
|
|
|
|
public static function get( $module ) {
|
|
global $_meta;
|
|
|
|
// Get the filename and classnames for this module
|
|
$filename = "{$_meta['script-dir']}/code/validation/{$module}_validator.php";
|
|
$classname = "{$module}Validator";
|
|
|
|
// Check to make sure this module exists
|
|
if( !file_exists($filename) ) throw new ConfigException("Validation module could not be found: '{$filename}.'", 500);
|
|
|
|
// Import the auth modules code
|
|
require_once( $filename );
|
|
|
|
// Ensure the class has been defined
|
|
if( !class_exists( $classname ) ) throw new ConfigException("Validation module is invalid: '{$classname}'.", 500);
|
|
|
|
// Create an instance of the module, and return it
|
|
return new $classname();
|
|
|
|
}
|
|
};
|
|
|
|
|
|
/*
|
|
* Validator
|
|
* This class provides validation for a variable using a variety of algorithms
|
|
*/
|
|
|
|
abstract class Validator {
|
|
|
|
public static function check($name, &$value) {
|
|
// Retrieve the varargs for this function
|
|
$args = func_get_args();
|
|
// Remove the first two arguments, since we already have those by name
|
|
array_shift($args); array_shift($args);
|
|
|
|
try {
|
|
// Each of the remaining arguments should be implementations of IValidator
|
|
foreach ($args as $validator) {
|
|
// Ensure this object is a validator
|
|
if (!( $validator instanceof IValidator)) {
|
|
throw new ValidationException("Invalid Validator object");
|
|
}
|
|
|
|
// Attempt to validate the input through each validator in turn
|
|
$validator->validate( $value );
|
|
}
|
|
|
|
// All successful
|
|
|
|
} catch (ValidationException $e) {
|
|
// Add the friendly name of the variable that failed validation, and rethrow the exception
|
|
// for the calling code to catch
|
|
$e->append_name($name);
|
|
throw $e;
|
|
}
|
|
}
|
|
|
|
|
|
};
|
|
|
|
/*
|
|
* Validation Exceptions
|
|
*/
|
|
|
|
class ValidationException extends BaseException {
|
|
|
|
public function __construct($message) {
|
|
parent::__construct($message);
|
|
}
|
|
|
|
public function append_name($name) {
|
|
$this->e .= ", while validating '{$name}'.";
|
|
}
|
|
|
|
};
|
|
|
|
|
|
?>
|