@oat-sa/tao-item-runner-qti
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TAO QTI Item Runner modules
72 lines (61 loc) • 2.28 kB
JavaScript
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; under version 2
* of the License (non-upgradable).
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2015-2019 (original work) Open Assessment Technlogies SA (under the project TAO-PRODUCT);
*
*/
/**
* The stringMatch operator processor.
* @see http://www.imsglobal.org/question/qtiv2p1/imsqti_infov2p1.html#element10647
*
* @author Bertrand Chevrier <bertrand@taotesting.com>
*/
import _ from 'lodash';
/**
* Process operands and returns the stringMatch.
* @type {OperatorProcessor}
* @exports taoQtiItem/scoring/processor/expressions/operators/stringMatch
*/
var stringMatchProcessor = {
constraints: {
minOperand: 2,
maxOperand: 2,
cardinality: ['single'],
baseType: ['string']
},
operands: [],
/**
* Process the stringMatch of the operands.
* @returns {?ProcessingValue} the stringMatch or null
*/
process: function() {
var result = {
cardinality: 'single',
baseType: 'boolean'
};
var values, caseSensitive, v1, v2;
//if at least one operand is null, then break and return null
if (_.some(this.operands, _.isNull) === true) {
return null;
}
values = this.operands;
caseSensitive = _.isBoolean(this.expression.attributes.caseSensitive) ? this.expression.attributes.caseSensitive : true;
v1 = this.preProcessor.parseVariable(values[0]).value;
v2 = this.preProcessor.parseVariable(values[1]).value;
result.value = caseSensitive ? v1 === v2 : v1.toUpperCase() === v2.toUpperCase();
return result;
}
};
export default stringMatchProcessor;