/**
* Validate a CAS text field.
* @param array $errors the errors array that validation is assembling.
* @param string $value the submitted value validate.
* @param string $fieldname the name of the field add any errors to.
* @param string $savesession the array key to save the session to in $this->validationcasstrings.
* @return array updated $errors array.
*/
protected function validate_cas_text($errors, $value, $fieldname, $fixingdollars, $session = null)
{
if (!$fixingdollars && strpos($value, '$$') !== false) {
$errors[$fieldname][] = stack_string('forbiddendoubledollars');
}
$castext = new stack_cas_text($value, $session, $this->seed, 't');
if (!$castext->get_valid()) {
$errors[$fieldname][] = $castext->get_errors();
return $errors;
}
// Validate any [[facts:...]] tags.
$unrecognisedtags = stack_fact_sheets::get_unrecognised_tags($value);
if ($unrecognisedtags) {
$errors[$fieldname][] = stack_string('unrecognisedfactstags', array('tags' => implode(', ', $unrecognisedtags)));
return $errors;
}
if ($session) {
$display = $castext->get_display_castext();
if ($castext->get_errors()) {
$errors[$fieldname][] = $castext->get_errors();
return $errors;
}
}
return $errors;
}
public function test_trap_bad_fact_sheet_names()
{
$this->assertEquals(array(0 => 'bad_hint', 1 => 'badder_hint'), stack_fact_sheets::get_unrecognised_tags("This is some CAStext with a [[facts:bad_hint]] " . "and yet another [[facts:badder_hint]]"));
}
