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