public function validate()
{
$this->_errors = array();
foreach ($this->columns as $column) {
if ($column["validate"]) {
$pattern = "#[a-z]+\\(([a-zA-Z0-9, ]+)\\)#";
$raw = $column["raw"];
$name = $column["name"];
$validators = $column["validate"];
$label = $column["label"];
$defined = $this->getValidators();
foreach ($validators as $validator) {
$function = $validator;
$arguments = array($this->{$raw});
$match = StringMethods::match($validator, $pattern);
if (count($match) > 0) {
$matches = StringMethods::split($match[0], ",\\s*");
$arguments = array_merge($arguments, $matches);
$offset = StringMethods::indexOf($validator, "(");
$function = substr($validator, 0, $offset);
}
if (!isset($defined[$function])) {
throw new Exception\Validation("The {$function} validator is not defined");
}
$template = $defined[$function];
if (!call_user_func_array(array($this, $template["handler"]), $arguments)) {
$replacements = array_merge(array($label ? $label : $raw), $arguments);
$message = $template["message"];
foreach ($replacements as $i => $replacement) {
$message = str_replace("{{$i}}", $replacement, $message);
}
if (!isset($this->_errors[$name])) {
$this->_errors[$name] = array();
}
$this->_errors[$name][] = $message;
}
}
}
}
return !sizeof($this->errors);
}
