Math/src/MathValidator.php

53 lines
1.2 KiB
PHP

<?php
use DataValues\StringValue;
use ValueValidators\Error;
use ValueValidators\Result;
use ValueValidators\ValueValidator;
/**
* @author Duc Linh Tran
* @author Julian Hilbig
* @author Moritz Schubotz
*/
class MathValidator implements ValueValidator {
/**
* Validates a value with MathInputCheckRestbase
*
* @param StringValue $value The value to validate
*
* @return \ValueValidators\Result
* @throws InvalidArgumentException if not called with a StringValue
*/
public function validate( $value ) {
if ( !( $value instanceof StringValue ) ) {
throw new InvalidArgumentException( '$value must be a StringValue' );
}
// get input String from value
$tex = $value->getValue();
$checker = new MathInputCheckRestbase( $tex );
if ( $checker->isValid() ) {
return Result::newSuccess();
}
// TeX string is not valid
return Result::newError(
[
Error::newError( null, null, 'malformed-value', [ $checker->getError() ] )
]
);
}
/**
* @see ValueValidator::setOptions()
*
* @param array $options
*/
public function setOptions( array $options ) {
// Do nothing. This method shouldn't even be in the interface.
}
}