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| 1 | <?php |
| 2 | |
| 3 | /* |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); |
| 19 | * |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | namespace oat\taoQtiItem\model\qti\expression; |
| 24 | |
| 25 | use oat\taoQtiItem\model\qti\expression\BaseValue; |
| 26 | use oat\taoQtiItem\model\qti\expression\CommonExpression; |
| 27 | use common_Exception; |
| 28 | |
| 29 | /** |
| 30 | * Short description of class oat\taoQtiItem\model\qti\expression\BaseValue |
| 31 | * |
| 32 | * @access public |
| 33 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 34 | * @package taoQTI |
| 35 | |
| 36 | */ |
| 37 | class BaseValue extends CommonExpression |
| 38 | { |
| 39 | // --- ASSOCIATIONS --- |
| 40 | |
| 41 | |
| 42 | // --- ATTRIBUTES --- |
| 43 | |
| 44 | // --- OPERATIONS --- |
| 45 | |
| 46 | /** |
| 47 | * Short description of method getRule |
| 48 | * |
| 49 | * @access public |
| 50 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 51 | * @return string |
| 52 | */ |
| 53 | public function getRule() |
| 54 | { |
| 55 | $returnValue = (string) ''; |
| 56 | |
| 57 | |
| 58 | // JSON ENCODE the value to get quote when quote are required function of the variable base type |
| 59 | // not so easy ;) |
| 60 | //$returnValue = json_encode($this->value); |
| 61 | // @todo make usable for complex variable such as pair, directed pair .. |
| 62 | // @todo centralize the management of the options (attributes) |
| 63 | $options = []; |
| 64 | $value = null; |
| 65 | |
| 66 | switch ($this->attributes['baseType']) { |
| 67 | case "boolean": |
| 68 | $options['type'] = "boolean"; |
| 69 | $value = json_encode($this->value); |
| 70 | break; |
| 71 | case "integer": |
| 72 | $options['type'] = "integer"; |
| 73 | $value = json_encode($this->value); |
| 74 | break; |
| 75 | case "float": |
| 76 | $options['type'] = "float"; |
| 77 | $value = json_encode($this->value); |
| 78 | break; |
| 79 | case "identifier": |
| 80 | case "string": |
| 81 | $options['type'] = "string"; |
| 82 | $value = json_encode($this->value); |
| 83 | break; |
| 84 | case "pair": |
| 85 | $options['type'] = "list"; |
| 86 | $value = '"' . implode('","', $this->value) . '"'; |
| 87 | break; |
| 88 | case "directedPair": |
| 89 | $options['type'] = "tuple"; |
| 90 | // Méchant casting, won't work with a dictionnary, but with a tuple it is okay |
| 91 | $value = '"' . implode('","', (array)$this->value) . '"'; |
| 92 | break; |
| 93 | default: |
| 94 | throw new common_Exception( |
| 95 | "taoQTI_models_classes_QTI_response_BaseValue::getRule an error occured : the type " |
| 96 | . $this->attributes['baseType'] . " is unknown" |
| 97 | ); |
| 98 | } |
| 99 | |
| 100 | $returnValue = 'createVariable(' |
| 101 | . (count($options) ? '"' . addslashes(json_encode($options)) . '"' : 'null') . |
| 102 | ', ' . $value . |
| 103 | ')'; |
| 104 | |
| 105 | |
| 106 | return (string) $returnValue; |
| 107 | } |
| 108 | } |