/**********************************************************/
/* This header defines Application Interface to the */
/* CAPA system. It needs capaParser.h and capaToken.h */
/* CAPA version 4.3 */
/* Date Oct 23 1995 */
/* Isaac Tsai */
/* */
/* Get rid of old style structure definition *_t */
/* Make all structure definition begin with T_ */
/* 1997, 1998, 1999 Isaac Tsai */
/**********************************************************/
#ifndef CAPA_COMMON_H
#define CAPA_COMMON_H
#include <stdio.h>
#ifdef linux
#include <stdlib.h>
#endif
#ifdef NeXT
#include <stdlib.h>
#include <libc.h>
#else
#include <malloc.h>
#include <unistd.h>
#endif
#include <math.h>
#include <string.h>
#include <time.h>
#include <sys/fcntl.h> /* lockf() */
#include <sys/file.h> /* flock() */
#include <sys/types.h>
#include "capaParser.h"
#ifndef MAX
#define MAX(a,b) ((a>b)? (a):(b))
#endif
#define MAX_SECTION_SIZE 10240 /* Max # of students in the class */
#define MAX_SECTION_COUNT 1024
#define MAX_NAME_CHAR 30 /* Student's name max length */
#define MAX_STUDENT_NUMBER 9 /* Student Number length */
#define MAX_EMAIL_CHAR 40 /* Email address */
#define FILE_NAME_LENGTH 1024
#define MAX_PIN_CHAR 4
#define MAX_BUFFER_SIZE 2048
#define TMP_LINE_LENGTH 2048 /* used to read in log.db set.db dates.db */
#define SMALL_LINE_BUFFER 128 /* used to read classl, active.db */
#define SETDB_BUF_SIZE (256*1024)
/* user input string length now in capaParser.h*/
/*#define ANSWER_STRING_LENG 81*/
/*#define UNIT_STRING_LENG 64*/
#define FORMAT_STRING_LENG 32
/* -------- used in check_date() */
#define CHECK_OPEN_DATE 1
#define CHECK_DUE_DATE 2
#define CHECK_ANS_DATE 3
/******************************************************************************/
/* STRUCTURE FOR THE HEADER OF A DATABASE FILE */
/******************************************************************************/
typedef struct {
char num_questions[FORMAT_STRING_LENG];
char *weight;
char *partial_credit;
} T_header;
/******************************************************************************/
/* STRUCTURE FOR A NORMAL DATABASE FILE ENTRY */
/******************************************************************************/
typedef struct {
char student_number[MAX_STUDENT_NUMBER+1]; /* Student number */
int e_probs;
char *answers; /* String of answers */
char *tries;
} T_entry;
/******************************************************************************/
/* STRUCTURE FOR A STUDENT IN THE STUDENT ARRAY */
/******************************************************************************/
typedef struct _student {
struct _student *s_next;
struct _student *s_prev;
int s_sec;
int s_scores;
char s_key[MAX_NAME_CHAR+MAX_NAME_CHAR+2]; /* sorting key */
char s_sn[MAX_STUDENT_NUMBER+1];
char s_nm[MAX_NAME_CHAR+1];
char s_email[MAX_EMAIL_CHAR+1];
int s_capaid;
} T_student;
/******************************************************************************/
/* STRUCTURE FOR Login dates for a set */
/******************************************************************************/
/*section number DATE_DEFAULTs contains the default dates an assignment is due*/
#define DATE_DEFAULTS 0
#define OPEN_OFFSET 0
#define DUE_OFFSET 17
#define ANSWER_OFFSET 34
#define DATE_LENGTH 16
#define DATE_BUFFER 17
#define OPTION_INHIBIT_RESPONSE 100
#define OPTION_VIEW_PROBLEMS_AFTER_DUE 101
typedef struct _date {
struct _date *s_next;
int section_start;
int section_end;
char open_date[DATE_BUFFER];
char due_date[DATE_BUFFER];
char answer_date[DATE_BUFFER];
char duration[DATE_BUFFER];
int inhibit_response;
int view_problems_after_due;
} T_dates;
/******************************************************************************/
/* STRUCTURE FOR Login history for a student */
/******************************************************************************/
typedef struct {
int count; /* Number of questions */
char *answers; /* String of answers */
} login_history_t;
#define leap_year(yr) ((yr) <= 1752 ? !((yr) % 4) : !((yr) % 4) && (((yr) % 100) || !((yr) % 400)))
#define centuries_since_1700(yr) ((yr) > 1700 ? (yr) / 100 - 17 : 0)
#define quad_centuries_since_1700(yr) ((yr) > 1600 ? ((yr) - 1600) / 400 : 0)
#define leap_years_since_year_1(yr) ((yr) / 4 - centuries_since_1700(yr) + quad_centuries_since_1700(yr))
/*=============================================================================*/
/* CAPA PROTOTYPES FOR FUNCTIONS IN COMMON.C */
/*=============================================================================*/
/*-----------------------------------------------------------------------------*/
int capa_parse CAPA_ARG((int set,Problem_t **problem,char *filename,int *num_questions,void (*func_ptr)()));
void send CAPA_ARG((char* text));
/*============================================================================*/
#endif /* CAPA_COMMON_H */
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