mirror of https://github.com/acanas/swad-core.git
121 lines
4.1 KiB
C
121 lines
4.1 KiB
C
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// swad_question.h: test/exam/game questions
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#ifndef _SWAD_QST
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#define _SWAD_QST
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/*
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SWAD (Shared Workspace At a Distance in Spanish),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2021 Antonio Ca<EFBFBD>as Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#include <stdbool.h> // For boolean type
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#include <time.h> // For time_t
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// #include "swad_question_type.h"
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#include "swad_media.h"
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#include "swad_string.h"
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#include "swad_tag.h"
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// #include "swad_test_config.h"
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// #include "swad_test_visibility.h"
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// #include "swad_user.h"
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/*****************************************************************************/
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/***************************** Public constants ******************************/
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/*****************************************************************************/
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#define Qst_MAX_BYTES_ANSWER_TYPE 32
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#define Qst_MAX_BYTES_FLOAT_ANSWER 30 // Maximum length of the strings that store an floating point answer
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#define Qst_MAX_OPTIONS_PER_QUESTION 10
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#define Qst_MAX_BYTES_INDEXES_ONE_QST (Qst_MAX_OPTIONS_PER_QUESTION * (3 + 1))
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#define Qst_MAX_CHARS_ANSWER_OR_FEEDBACK (1024 - 1) // 1023
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#define Qst_MAX_BYTES_ANSWER_OR_FEEDBACK ((Qst_MAX_CHARS_ANSWER_OR_FEEDBACK + 1) * Str_MAX_BYTES_PER_CHAR - 1) // 16383
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#define Qst_MAX_CHARS_ANSWERS_ONE_QST (128 - 1) // 127
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#define Qst_MAX_BYTES_ANSWERS_ONE_QST ((Qst_MAX_CHARS_ANSWERS_ONE_QST + 1) * Str_MAX_BYTES_PER_CHAR - 1) // 2047
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/*****************************************************************************/
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/******************************* Public types ********************************/
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/*****************************************************************************/
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#define Qst_NUM_VALIDITIES 2
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typedef enum
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{
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Qst_INVALID_QUESTION,
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Qst_VALID_QUESTION,
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} Qst_Validity_t;
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#define Qst_NUM_ANS_TYPES 6
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#define Qst_MAX_BYTES_LIST_ANSWER_TYPES (Qst_NUM_ANS_TYPES * (Cns_MAX_DECIMAL_DIGITS_UINT + 1))
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typedef enum
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{
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Qst_ANS_INT = 0,
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Qst_ANS_FLOAT = 1,
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Qst_ANS_TRUE_FALSE = 2,
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Qst_ANS_UNIQUE_CHOICE = 3,
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Qst_ANS_MULTIPLE_CHOICE = 4,
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Qst_ANS_TEXT = 5,
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Qst_ANS_UNKNOWN = 6, // Unknown/all/any type of answer
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} Qst_AnswerType_t;
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struct Qst_Question
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{
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long QstCod;
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struct Tag_Tags Tags;
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time_t EditTime;
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char *Stem;
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char *Feedback;
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struct Med_Media Media;
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struct
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{
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Qst_AnswerType_t Type;
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unsigned NumOptions;
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bool Shuffle;
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char TF;
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struct
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{
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bool Correct;
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char *Text;
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char *Feedback;
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struct Med_Media Media;
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} Options[Qst_MAX_OPTIONS_PER_QUESTION];
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long Integer;
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double FloatingPoint[2];
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} Answer;
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unsigned long NumHits;
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unsigned long NumHitsNotBlank;
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double Score;
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Qst_Validity_t Validity; // If a question in an exam has been marked as invalid
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};
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/*****************************************************************************/
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/***************************** Public prototypes *****************************/
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/*****************************************************************************/
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void Qst_ChangeFormatAnswersText (struct Qst_Question *Question);
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void Qst_ChangeFormatAnswersFeedback (struct Qst_Question *Question);
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#endif
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