ilAssLacExpressionManufacturer.php

Go to the documentation of this file.

<?php
 
include_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Factory/ilAssLacAbstractManufacturer.php";
 
class ilAssLacExpressionManufacturer extends ilAssLacAbstractManufacturer{
 
        protected static $instance = null;
 
        public static function _getInstance()
        {
                if(self::$instance == null){
                        self::$instance = new ilAssLacExpressionManufacturer();
                }
                return self::$instance;
        }
 
        public function manufacture($attribute)
        {
                $expression = null;
 
                switch(true)
                {
                        case preg_match(ilAssLacResultOfAnswerOfQuestionExpression::$pattern, $attribute):
                                $expression = new ilAssLacResultOfAnswerOfQuestionExpression();
                                break;
                        case preg_match(ilAssLacResultOfAnswerOfCurrentQuestionExpression::$pattern, $attribute):
                                $expression = new ilAssLacResultOfAnswerOfCurrentQuestionExpression();
                                break;
                        case preg_match(ilAssLacAnswerOfQuestionExpression::$pattern, $attribute):
                                $expression = new ilAssLacAnswerOfQuestionExpression();
                                break;
                        case preg_match(ilAssLacAnswerOfCurrentQuestionExpression::$pattern, $attribute):
                                $expression = new ilAssLacAnswerOfCurrentQuestionExpression();
                                break;
                        case preg_match(ilAssLacPercentageResultExpression::$pattern, $attribute):
                                $expression = new ilAssLacPercentageResultExpression();
                                break;
                        case preg_match(ilAssLacNumberOfResultExpression::$pattern, $attribute):
                                $expression = new ilAssLacNumberOfResultExpression();
                                break;
                        case preg_match(ilAssLacNumericResultExpression::$pattern, $attribute):
                                $expression = new ilAssLacNumericResultExpression();
                                break;
                        case preg_match(ilAssLacStringResultExpression::$pattern, $attribute):
                                $expression = new ilAssLacStringResultExpression();
                                break;
                        case preg_match(ilAssLacMatchingResultExpression::$pattern, $attribute):
                                $expression = new ilAssLacMatchingResultExpression();
                                break;
                        case preg_match(ilAssLacOrderingResultExpression::$pattern, $attribute):
                                $expression = new ilAssLacOrderingResultExpression();
                                break;
                        case preg_match(ilAssLacExclusiveResultExpression::$pattern, $attribute):
                                $expression = new ilAssLacExclusiveResultExpression();
                                break;
                        case preg_match(ilAssLacEmptyAnswerExpression::$pattern, $attribute):
                                $expression = new ilAssLacEmptyAnswerExpression();
                                break;
                        default:
                                throw new ilAssLacUnsupportedExpression($attribute);
                                break;
                }
 
                $expression->parseValue($attribute);
                return $expression;
        }
 
        public function getPattern(){
                return
                        "/" .
                        substr(ilAssLacPercentageResultExpression::$pattern, 1, strlen(ilAssLacPercentageResultExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacNumericResultExpression::$pattern, 1, strlen(ilAssLacNumericResultExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacNumberOfResultExpression::$pattern, 1, strlen(ilAssLacNumberOfResultExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacAnswerOfQuestionExpression::$pattern, 1, strlen(ilAssLacAnswerOfQuestionExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacAnswerOfCurrentQuestionExpression::$pattern, 1, strlen(ilAssLacAnswerOfCurrentQuestionExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacResultOfAnswerOfQuestionExpression::$pattern, 1, strlen(ilAssLacResultOfAnswerOfQuestionExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacResultOfAnswerOfCurrentQuestionExpression::$pattern, 1, strlen(ilAssLacResultOfAnswerOfCurrentQuestionExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacStringResultExpression::$pattern, 1, strlen(ilAssLacStringResultExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacMatchingResultExpression::$pattern, 1, strlen(ilAssLacMatchingResultExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacOrderingResultExpression::$pattern, 1, strlen(ilAssLacOrderingResultExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacExclusiveResultExpression::$pattern, 1, strlen(ilAssLacExclusiveResultExpression::$pattern) - 2) . "|" .
                        substr(ilAssLacEmptyAnswerExpression::$pattern, 1, strlen(ilAssLacEmptyAnswerExpression::$pattern) - 2) .
                        "/";
        }
 
        private function __construct(){
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacAnswerOfQuestionExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacAnswerOfCurrentQuestionExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacResultOfAnswerOfQuestionExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacResultOfAnswerOfCurrentQuestionExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacPercentageResultExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacNumberOfResultExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacNumericResultExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacStringResultExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacMatchingResultExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacOrderingResultExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacExclusiveResultExpression.php";
                require_once "Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacEmptyAnswerExpression.php";
                require_once 'Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Exception/ilAssLacUnsupportedExpression.php';
        }
 
        private function __clone() { }
}