Annotation of capa/capa51/pProj/capaCgiUtils.c, revision 1.3
1.1 albertel 1: /* ===================================================================== */
2: /* copyrighted by Isaac Tsai, 1998, 1999, 2000 */
3: /* ===================================================================== */
4: #include <stdio.h>
5: #include <ctype.h>
6: #ifndef NO_STDLIB_H
7: #include <stdlib.h>
8: #else
9: char *getenv();
10: #endif
11: #include <stdio.h>
12:
13: #include "capaToken.h"
14: #include "capaParser.h"
15: #include "capaCommon.h"
16: #include "ranlib.h"
17:
18: #ifdef _MAIN_PROGRAM_
19: #undef _MAIN_PROGRAM_
20: #endif
21:
22: #include "capaCGI.h"
23:
24: void getword
25: CAPA_ARG((char *word, char *line, char stop))
26: {
27: int x = 0,y;
28:
29: for(x=0;((line[x]) && (line[x] != stop));x++)
30: word[x] = line[x];
31:
32: word[x] = '\0';
33: if(line[x]) ++x;
34: y=0;
35:
36: while((line[y++] = line[x++]));
37: }
38:
39: char *makeword
40: CAPA_ARG((char *line, char stop))
41: {
42: int x = 0,y;
43: char *word = (char *) malloc(sizeof(char) * (strlen(line) + 1));
44:
45: for(x=0;((line[x]) && (line[x] != stop));x++)
46: word[x] = line[x];
47:
48: word[x] = '\0';
49: if(line[x]) ++x;
50: y=0;
51:
52: while((line[y++] = line[x++]));
53: return word;
54: }
55:
56: char *fmakeword
57: CAPA_ARG((FILE *f,char stop,int * cl))
58: {
59: int wsize;
60: char *word;
61: int ll;
62:
63: wsize = 102400;
64: ll=0;
65: word = (char *) malloc(sizeof(char) * (wsize + 1));
66:
67: while(1) {
68: word[ll] = (char)fgetc(f);
69: if(ll==wsize) {
70: word[ll+1] = '\0';
71: wsize+=102400;
72: word = (char *)realloc(word,sizeof(char)*(wsize+1));
73: }
74: --(*cl);
75: if((word[ll] == stop) || (feof(f)) || (!(*cl))) {
76: if(word[ll] != stop) ll++;
77: word[ll] = '\0';
78: return word;
79: }
80: ++ll;
81: }
82: }
83:
84: char x2c
85: CAPA_ARG((char *what))
86: {
87: register char digit;
88:
89: digit = (what[0] >= 'A' ? ((what[0] & 0xdf) - 'A')+10 : (what[0] - '0'));
90: digit *= 16;
91: digit += (what[1] >= 'A' ? ((what[1] & 0xdf) - 'A')+10 : (what[1] - '0'));
92: return(digit);
93: }
94:
95: void unescape_url
96: CAPA_ARG((char *url))
97: {
98: register int x,y;
99:
100: for(x=0,y=0;url[y];++x,++y) {
101: if((url[x] = url[y]) == '%') {
102: url[x] = x2c(&url[y+1]);
103: y+=2;
104: }
105: }
106: url[x] = '\0';
107: }
108:
109: void plustospace
110: CAPA_ARG((char *str))
111: {
112: register int x;
113:
114: for(x=0;str[x];x++) if(str[x] == '+') str[x] = ' ';
115: }
116:
117: int rind
118: CAPA_ARG((char *s,char c))
119: {
120: register int x;
121: for(x=strlen(s) - 1;x != -1; x--)
122: if(s[x] == c) return x;
123: return -1;
124: }
125:
126: int getline
127: CAPA_ARG((char *s,int n,FILE *f))
128: {
129: register int i=0;
130:
131: while(1) {
132: s[i] = (char)fgetc(f);
133:
134: if(s[i] == CR)
135: s[i] = fgetc(f);
136:
137: if((s[i] == 0x4) || (s[i] == LF) || (i == (n-1))) {
138: s[i] = '\0';
139: return (feof(f) ? 1 : 0);
140: }
141: ++i;
142: }
143: }
144:
145: void send_fd
146: CAPA_ARG((FILE *f, FILE *fd))
147: {
148: char c;
149:
150: while (1) {
151: c = fgetc(f);
152: if(feof(f)) return;
153: fputc(c,fd);
154: }
155: }
156:
157: int ind
158: CAPA_ARG((char *s,char c))
159: {
160: register int x;
161:
162: for(x=0;s[x];x++)
163: if(s[x] == c) return x;
164:
165: return -1;
166: }
167:
168: void escape_shell_cmd
169: CAPA_ARG((char *cmd))
170: {
171: register int x,y,l;
172:
173: l=strlen(cmd);
174: for(x=0;cmd[x];x++) {
175: if(ind("&;`'\"|*?~<>^()[]{}$\\",cmd[x]) != -1){
176: for(y=l+1;y>x;y--)
177: cmd[y] = cmd[y-1];
178: l++; /* length has been increased */
179: cmd[x] = '\\';
180: x++; /* skip the character */
181: }
182: }
183: }
184:
185: /* ========================================== Updated according to Frank Wolfs
186: description on July 7 1997 */
187: char *c_getpath
188: CAPA_ARG((FILE *f))
189: {
190: register int c;
191: register int idx;
192: char tmp_string[MAX_BUFFER_SIZE];
193: char *new_string;
194:
195: idx = 0;
196: tmp_string[0]='\0';
197: c_ignorewhite(f);
198: do {
199: c = getc(f);
200: tmp_string[idx] = c;
201: idx++;
202: } while (isalnum(c) || c == '{' || c == '}' || c == '-' || c == '\\' ||
203: c == '^' || c == '_' || c == '/' || c == '.' || c == ':' ||
204: c == '+' || c == '*' || c == '#' || c == '!' || c == '=' ||
205: c == ';' || c == '$' || c == '(' || c == ')' || c == '[' ||
206: c == ']' || c == '?' || c == '>' || c == '<' || c == ',');
207: ungetc(c,f); idx--;
208: tmp_string[idx] = 0;
209: new_string = (char *)malloc( (idx+1)*sizeof(char) );
210: strncpy(new_string,tmp_string, (idx+1) );
211: return (new_string);
212: }
213:
214: /* ------------------------------------------------------------------------- */
215:
216: void web_printheader(FILE *out)
217: {
218: FILE *header;
219: char *buf[MAX_BUFFER_SIZE];
220: int amt=0;
221:
222: if ((capa_access("HTMLheader",F_OK|R_OK)!=-1) &&
223: (NULL!=(header=fopen("HTMLheader","r")))) {
224: while(0 < (amt=fread(buf,1,MAX_BUFFER_SIZE,header))) {
225: fwrite(buf,1,amt,out);
226: }
227: fclose(header);
228: } else {
229: fprintf(out,"<HTML><HEAD>\n");
230: fprintf(out,"<BODY BGCOLOR=\"#FFFFFF\" LINK=\"#0000EE\" VLINK=\"#EE1100\">\n");
231: }
232:
233: #ifdef CAPA_WEB
234: fprintf(out,"<!-- capasbin, CAPA Version %s, %s -->\n",
235: CAPA_VER,COMPILE_DATE);
236: #else
237: fprintf(out,"<!-- capahtml, CAPA Version %s, %s -->\n",
238: CAPA_VER,COMPILE_DATE);
239: #endif
240: }
241:
242: void web_printfooter(FILE *out)
243: {
244: FILE *footer;
245: char *buf[MAX_BUFFER_SIZE];
246: int amt=0;
247:
248: if ((capa_access("HTMLfooter",F_OK|R_OK)!=-1) &&
249: (NULL!=(footer=fopen("HTMLfooter","r")))) {
250: while(0 < (amt=fread(buf,1,MAX_BUFFER_SIZE,footer))) {
251: fwrite(buf,1,amt,out);
252: }
253: fclose(footer);
254: } else {
255: fprintf(out,"</BODY></HTML>\n");
256: }
257: }
258:
259: int web_getclassdir
260: CAPA_ARG((char **cpath_p, char **cown_p, char *class))
261: {
262: FILE *fp;
263: char filename[FILE_NAME_LENGTH];
264: char *cname_p;
265: int done;
266: char c;
267:
268: sprintf(filename,"class.conf");
269: if ((fp=fopen(filename,"r"))==NULL) {
270: sprintf(filename,"../class.conf");
271: if ((fp=fopen(filename,"r"))==NULL) {
272: fprintf(stdout,"<!-- Error: can't open %s --> \n",filename); fflush(stdout);
273: return (2);
274: }
275: }
276: do {
277: c_ignorewhite(fp);
278: c = getc(fp); ungetc(c,fp);
279: if( c != EOF ) {
280: cname_p = c_getword(fp);
281: *cpath_p = c_getpath(fp);
282: *cown_p = c_getword(fp);
283: throwaway_line(fp);
284: if( ! strcasecmp(cname_p, class) ) {
285: done = 1;
286: } else {
287: free(cname_p); free(*cpath_p); free(*cown_p);
288: done = 0;
289: }
290: } else {
291: done = 1;
292: }
293: } while ( ! done );
294: fclose(fp);
295: free(cname_p);
296: return (1);
297: }
298:
299: int web_log(log_str)char *log_str;
300: {
301: FILE *fp;
302: char filename[FILE_NAME_LENGTH];
303:
304: sprintf(filename,"web_access.log");
305: if ((fp=fopen(filename,"a"))==NULL) {
306: return -1;
307: }
308: flockstream(fp);
309: fprintf(fp,"%s",log_str);fflush(fp);
310: funlockstream(fp);
311: fclose(fp);
312: return 0;
313: }
314:
315: int w_log_timing(student_number,set,section,log_string)
316: char student_number[MAX_STUDENT_NUMBER+1];
317: int set;
318: int section;
319: char *log_string;
320: {
321: char filename[FILE_NAME_LENGTH],
322: *ct;
323: FILE *fp;
324: time_t t;
325:
326: sprintf(filename,"records/webtiming%d.log",set);
327: if ((fp=fopen(filename,"a"))==NULL) {
328: return (-1);
329: }
330: /* CREATE LOG ENTRY */
331: time(&t);
332: ct=ctime(&t);
333: ct[ strlen(ct)-1 ]=0; /* Trash newline */
334: fprintf(fp,"%s %s %s\n",student_number,ct,log_string); fflush(fp);
335: fclose(fp);
336: return (0);
337: }
338:
339: int w_log_attempt(student_number,set,log_string)
340: char student_number[MAX_STUDENT_NUMBER+1];
341: int set;
342: char *log_string;
343: {
344: char filename[FILE_NAME_LENGTH],
345: *ct;
346: FILE *fp;
347: time_t t;
348:
349: sprintf(filename,"records/weblog%d.db",set);
350: if ((fp=fopen(filename,"a"))==NULL) {
351: return (-1);
352: }
353:
354: /* CREATE LOG ENTRY */
355: time(&t);
356: ct=ctime(&t);
357: ct[ strlen(ct)-1 ]=0; /* Trash newline */
358: fprintf(fp,"%s %s %s\n",student_number,ct,log_string); fflush(fp);
359: fclose(fp);
360: return (0);
361: }
362:
363: int w_log_submissions(student_number,set,log_string)
364: char student_number[MAX_STUDENT_NUMBER+1];
365: int set;
366: char *log_string;
367: {
368: char filename[FILE_NAME_LENGTH],timeStr[FILE_NAME_LENGTH],buf2[MAX_BUFFER_SIZE];
369: FILE *fp;
370: time_t t;
371: struct tm *tmtime;
372: int do_log_submissions=1,result;
373: char buf[MAX_BUFFER_SIZE];
374:
375: result=read_capa_config("do_log_submissions",buf);
376: if (result != 0 && result != -1)
377: if (strcasecmp(buf2,"no")==0)
378: do_log_submissions=0;
379: if (!do_log_submissions) return 0;
380:
381: sprintf(filename,"records/websubmissions%d.db",set);
382: if ((fp=fopen(filename,"a"))==NULL) {
383: return (-1);
384: }
385:
386: /* CREATE LOG ENTRY */
387: time(&t);
388: tmtime=localtime(&t);
389: strftime(timeStr,FILE_NAME_LENGTH,"%d/%m %X",tmtime);
390: /*ct[ strlen(ct)-1 ]=0;*/ /* Trash newline */
391: protect_log_string(log_string);
392: fprintf(fp,"%s\t%s\t%s\n",student_number,timeStr,log_string); fflush(fp);
393: fclose(fp);
394: return (0);
395: }
396:
397:
398: void w_get_responses(int x,int q_idx,char* submissions_str)
399: {
400: int leng, sub_idx;
401: char buf[MAX_BUFFER_SIZE];
402: if( !strncmp(g_entries[x].name,"INPUT",5) ) {
403: if( index(g_entries[x].name, ',' ) == NULL ) { /* only one answer */
404: sscanf(g_entries[x].name,"INPUT%d",&q_idx);
405: if( q_idx > 0 && q_idx < MAX_PROBLEM_CNT ) {
406: if ( ! is_all_ws(g_entries[x].val) ) {
407: leng = strlen(g_entries[x].val) + 1;
408: g_stu_ans_pp[q_idx] = (StudentAnswer_t *)capa_malloc(sizeof(StudentAnswer_t),1);
409: (g_stu_ans_pp[q_idx])->a_idx = 1;
410: (g_stu_ans_pp[q_idx])->a_str = strsave(g_entries[x].val);
411: if (leng > ANSWER_STRING_LENG)
412: (g_stu_ans_pp[q_idx])->a_str[ANSWER_STRING_LENG] = '\0';
413: (g_stu_ans_pp[q_idx])->a_next = NULL;
414: trim_response_ws((g_stu_ans_pp[q_idx])->a_str);
415: }
416: leng = strlen( g_entries[x].val );
417: if ( leng > 0 ) {
418: sprintf(buf,"%d\t%s\t",q_idx,g_entries[x].val);
419: strcat(submissions_str,buf);
420: }
421: }
422: } else { /* this answer belongs to /AND answers */
423: sscanf(g_entries[x].name,"INPUT%d,%d",&q_idx,&sub_idx);
424: if( q_idx > 0 && q_idx < MAX_PROBLEM_CNT ) {
425: if ( ! is_all_ws(g_entries[x].val) ) {
426: StudentAnswer_t *sa_p;
427: leng = strlen(g_entries[x].val) + 1;
428: sa_p = (StudentAnswer_t *)capa_malloc(sizeof(StudentAnswer_t),1);
429: sa_p->a_idx = sub_idx;
430: sa_p->a_str = strsave(g_entries[x].val);
431: if (leng > ANSWER_STRING_LENG) sa_p->a_str[ANSWER_STRING_LENG] = '\0';
432: sa_p->a_next = NULL;
433: if( g_stu_ans_pp[q_idx] == NULL ) {
434: g_stu_ans_pp[q_idx] = sa_p;
435: } else {
436: StudentAnswer_t *sb_p;
437: for(sb_p=g_stu_ans_pp[q_idx]; sb_p->a_next; sb_p=sb_p->a_next);
438: sb_p->a_next = sa_p;
439: }
440: }
441: leng = strlen( g_entries[x].val );
442: if ( leng > 0 ) {
443: sprintf(buf,"%d\t%s\t",q_idx,g_entries[x].val);
444: strcat(submissions_str,buf);
445: }
446: }
447: }
448: }
449: if( !strncmp(g_entries[x].name,"LAST",4) ) {
450: StudentAnswer_t *sa_p;
451: if( index(g_entries[x].name, ',' ) == NULL ) { /* only one answer */
452: sscanf(g_entries[x].name,"LAST%d",&q_idx);
453: if( q_idx > 0 && q_idx < MAX_PROBLEM_CNT ) {
454: leng = strlen(g_entries[x].val) + 1;
455: sa_p = (StudentAnswer_t *)capa_malloc(sizeof(StudentAnswer_t),1);
456: sa_p->a_idx = 1;
457: sa_p->a_str = strsave(g_entries[x].val);
458: if (leng > ANSWER_STRING_LENG) sa_p->a_str[ANSWER_STRING_LENG] = '\0';
459: sa_p->a_next = NULL;
460: g_last_ans_pp[q_idx] = sa_p;
461: }
462: } else {
463: sscanf(g_entries[x].name,"LAST%d,%d",&q_idx,&sub_idx);
464: if( q_idx > 0 && q_idx < MAX_PROBLEM_CNT ) {
465: leng = strlen(g_entries[x].val) + 1;
466: sa_p = (StudentAnswer_t *)capa_malloc(sizeof(StudentAnswer_t),1);
467: sa_p->a_idx = sub_idx;
468: sa_p->a_str = strsave(g_entries[x].val);
469: if (leng > ANSWER_STRING_LENG) sa_p->a_str[ANSWER_STRING_LENG] = '\0';
470: sa_p->a_next = NULL;
471: if( g_last_ans_pp[q_idx] == NULL) {
472: g_last_ans_pp[q_idx] = sa_p;
473: } else {
474: StudentAnswer_t *sb_p;
475: for(sb_p=g_last_ans_pp[q_idx]; sb_p->a_next; sb_p=sb_p->a_next);
476: sb_p->a_next = sa_p;
477: }
478: }
479: }
480: }
481: }
482:
483: /* ========================================================================= */
484: /* Check in: Class name (CLASS)
485: Student Number (SNUM)
486: CAPA ID (CAPAID)
487: M=1
488: Try set: Class name (CLASS)
489: Student Number (SNUM)
490: CAPA ID (CAPAID)
491: First question to print (STARTNUM)
492: M=2
493: View previous: Class name (CLASS)
494: Student Number (SNUM)
495: CAPA ID (CAPAID)
496: First question to print (STARTNUM)
497: View set (VSET)
498: M=3
499: Set summary:
500:
501: --------------------------------------------------------------------------- */
502:
503: int w_get_input()
504: {
505: register int x,m=0;
506: int cl, q_idx, result = 1;
507: T_header header;
508: char log_str[MAX_BUFFER_SIZE],buf[MAX_BUFFER_SIZE];
509: char submissions_str[MAX_BUFFER_SIZE];
510: time_t curtime;
511: char *time_str,*UNKNOWN="UNKNOWN";
512: int error=0;
513: char *envPtr=NULL,*envPtr2=NULL;
514: #ifdef CGI_DBUG
515: fprintf(g_cgi,"Entered get_input()\n"); fflush(g_cgi);
516: #endif /* CGI_DBUG */
517:
518: envPtr=getenv("REQUEST_METHOD");
519: if(!envPtr) {
520: fprintf(stdout,"Enviroment variable REQUEST_METHOD not set.\n");
521: fprintf(stdout,"CAPA is improperly installed or run, please let your \
522: instructor know about this error.\n");
523: fprintf(stdout,"No tries have been deducted for the last submission.\n");
524: error |= 1;
525: return error;
526: }
527: if(strcmp(envPtr,"POST")) {
528: fprintf(stdout,"This script should be referenced with a METHOD of POST.\n");
529: fprintf(stdout,"CAPA is improperly installed or run, please let your \
530: instructor know about this error.\n");
531: fprintf(stdout,"No tries have been deducted for the last submission.\n");
532: fflush(stdout);
533: #ifdef CGI_DBUG
534: fprintf(g_cgi,"Request_method is not POST\n"); fflush(g_cgi);
535: #endif /* CGI_DBUG */
536: error |= 2; return (error);
537: }
538:
539: envPtr=getenv("CONTENT_TYPE");
540: if(!envPtr) {
541: fprintf(stdout,"Enviroment variable CONTENT_TYPE not set.\n");
542: fprintf(stdout,"CAPA is improperly installed or run, please let your \
543: instructor know about this error.\n");
544: fprintf(stdout,"No tries have been deducted for the last submission.\n");
545: fflush(stdout);
546: error |= 4;
547: return error;
548: }
549: if(strncmp(envPtr,"application/x-www-form-urlencoded",33)) {
550: fprintf(stdout,"This script can only be used to decode form results. \n");
551: fprintf(stdout,"CAPA is improperly installed or run, please let your \
552: instructor know about this error.\n");
553: fprintf(stdout,"No tries have been deducted for the last submission.\n");
554: fflush(stdout);
555: #ifdef CGI_DBUG
556: fprintf(g_cgi,"CONTENT_TYPE is not application/x-www-form-urlencoded\n"); fflush(g_cgi);
557: #endif /* CGI_DBUG */
558: error |= 8; return (error);
559: }
560:
561: envPtr=getenv("CONTENT_LENGTH");
562: if(!envPtr) {
563: fprintf(stdout,"Enviroment variable CONTENT_LENGTH not set.\n");
564: fprintf(stdout,"CAPA is improperly installed or run, please let your \
565: instructor know about this error.\n");
566: fprintf(stdout,"No tries have been deducted for the last submission.\n");
567: error |= 16;
568: return error;
569: }
570: cl = atoi(envPtr);
571: #ifdef CGI_DBUG
572: fprintf(g_cgi,"CONTENT_LENGTH is %d\n",cl); fflush(g_cgi);
573: #endif /* CGI_DBUG */
574: for(x=0;cl && (!feof(stdin));x++) {
575: m=x;
576: g_entries[x].val = fmakeword(stdin,'&',&cl);
577: plustospace(g_entries[x].val);
578: unescape_url(g_entries[x].val);
579: g_entries[x].name = makeword(g_entries[x].val,'=');
580: }
581: /* ---------------------------------------------------- */
582: g_entered_pin = 0; g_run_mode =0;
583: submissions_str[0]='\0';
584: for(x=0; x <= m; x++) {
585: if( !strcmp(g_entries[x].name,"CLASS") ) {
586: strncpy(g_class_name,g_entries[x].val,MAX_CLASS_CHAR);
587: }
588: if( !strcmp(g_entries[x].name,"M") ) { /* run mode */
589: sscanf(g_entries[x].val,"%d",&g_run_mode);
590: }
591: if( !strcmp(g_entries[x].name,"STARTNUM")) {
592: sscanf(g_entries[x].val,"%d",&g_start_question);
593: }
594: if( !strcmp(g_entries[x].name,"SNUM") ) {
595: strncpy(g_student_number,g_entries[x].val,MAX_STUDENT_NUMBER+4);
596: }
597: if( !strcmp(g_entries[x].name,"CAPAID") ) {
598: sscanf(g_entries[x].val,"%d",&g_entered_pin);
599: }
600: if( !strcmp(g_entries[x].name,"SET") ) {
601: sscanf(g_entries[x].val,"%d",&g_set);
602: }
603: if( !strcmp(g_entries[x].name,"VSET") ) {
604: if (g_entries[x].val[0] == '\0') {
605: g_vset=0;
606: } else {
607: sscanf(g_entries[x].val,"%d",&g_vset);
608: }
609: }
610: if( !strcmp(g_entries[x].name,"KND") ) {
611: sscanf(g_entries[x].val,"%d",&g_skind);
612: }
613: w_get_responses(x,q_idx,submissions_str);
614: free(g_entries[x].val);
615: free(g_entries[x].name);
616: }
617:
618: #ifdef CGI_DBUG
619: fprintf(g_cgi,"DONE: Parse input\n"); fflush(g_cgi);
620: #endif /* CGI_DBUG */
621: /* --------------------------------------------------------- */
622: /* if( strcasecmp(g_prog_name,"capacheckin") == 0 ) { */
623: if( g_run_mode == M_CHECKIN ) { /* capa_checkin */
624: time(&curtime); time_str = ctime(&curtime);
625: time_str[ strlen(time_str)-1 ] = 0;
626: envPtr=getenv("REMOTE_HOST");
627: if(!envPtr) {
628: fprintf(stdout,"<!-- Enviroment variable REMOTE_HOST not set.-->\n");
629: envPtr=getenv("REMOTE_ADDR");
630: if(!envPtr) {
631: fprintf(stdout,"<!-- Enviroment variable REMOTE_ADDR not set.-->\n");
632: envPtr=UNKNOWN;
633: error |= 32;
634: }
635: }
636: #ifdef CGI_DBUG
637: fprintf(g_cgi,"DONE: REMOTE_HOST\n"); fflush(g_cgi);
638: #endif /* CGI_DBUG */
639:
640: envPtr2=getenv("HTTP_USER_AGENT");
641: if(!envPtr2) {
642: fprintf(stdout,"<!-- Enviroment variable HTTP_USER_AGENT not set. -->\n");
643: envPtr2=UNKNOWN;
644: error |= 64;
645: }
646: sprintf(log_str,"%s\t%s\t%s\t%s\t%s\n",g_class_name,g_student_number,time_str,envPtr,envPtr2);
647: if (web_log(log_str) == -1 ) {
648: fprintf(stdout,"Unable to log access to the system. Please notify instructor\n.");
649: fprintf(stdout,"No tries have been deducted for the last submission.\n");
650: error |= 128;
651: return error;
652: }
653:
654: }
655: #if defined(NeXT)
656: getwd(g_cwd);
657: #else
658: getcwd(g_cwd,255);
659: #endif
660: web_getclassdir(&g_cpath, &g_cowner, g_class_name);
661: sprintf(g_class_fullpath,"%s/%s",g_cpath,g_class_name);
662: #ifdef CGI_DBUG
663: fprintf(g_cgi,"DONE: getclassdir() [%s]\n",g_class_fullpath); fflush(g_cgi);
664: #endif /* CGI_DBUG */
665: if( !capa_access(g_class_fullpath, F_OK) == 0 ) {
666: fprintf(stdout,"ACCESS: could not access the class directory [%s]!\n",g_class_fullpath);
667: fprintf(stdout,"Please exit the web browser and try accessing the system again\n");
668: fprintf(stdout,"No tries have been deducted for the last submission.\n");
669: fflush(stdout);
670: sprintf(log_str,"Failed to access class dir, g_class_fullpath: %s\tg_cpath: %s\tg_class_name: %s\tg_cowner: %s\tg_cwd: %s\t",
671: g_class_fullpath,g_cpath,g_class_name,g_cowner,g_cwd);
672: if (web_log(log_str) == -1 ) {
673: fprintf(stdout,"Unable to log access to the system. Please notify instructor\n.");
674: fflush(stdout);
675: error |= 256;
676: return error;
677: }
678: #ifdef CGI_DBUG
679: fprintf(g_cgi,"NO ACCESS: cannot access() [%s]\n",g_class_fullpath); fflush(g_cgi);
680: #endif /* CGI_DBUG */
681: error |= 512;
682: return (error);
683: }
684: /* ---------------------------------------------------- */
685: /* change working directory to the class */
686: /* ---------------------------------------------------- */
687: chdir(g_class_fullpath); /* before performing any capa*() calls */
688: #ifdef CGI_DBUG
689: fprintf(g_cgi,"DONE cd to [%s]\n",g_class_fullpath); fflush(g_cgi);
690: #endif /* CGI_DBUG */
691:
692: /* Now in proper directory, can log submissions */
693: if ( g_run_mode == M_CHECKANS) {
694: if (w_log_submissions(g_student_number,g_set,submissions_str) == -1 ) {
695: fprintf(stdout,"Unable to log submissions. Please notify instructor\n.");
696: fprintf(stdout,"No tries have been deducted for the last submission.\n");
697: error |= 1024;
698: return error;
699: }
700: }
701:
702: result=read_capa_config("capaweb_cgibin_path",buf);
703: if (result != 0 && result != -1) {
704: g_cgibin_path=capa_malloc(strlen(buf)+1,1);
705: strcpy(g_cgibin_path,buf);
706: } else {
707: g_cgibin_path=capa_malloc(strlen("capa-bin")+1,1);
708: strcpy(g_cgibin_path,"capa-bin");
709: }
710:
711: if( g_entered_pin != 0 ) {
712: g_login_set = capa_PIN(g_student_number,999,g_entered_pin);
713: #ifdef CGI_DBUG
714: fprintf(g_cgi,"Succeed in login to set %d with pin %d\n",g_login_set,g_entered_pin); fflush(g_cgi);
715: #endif /* CGI_DBUG */
716: /* ----------------------------------------------------
717: printf("Your entered capa id %d, login to set %d\n", g_entered_pin, g_login_set);
718: printf("The real capa id for %s is %d\n",g_student_number,capa_PIN(g_student_number,1,0));
719: ---------------------------------------------------- */
720:
721: } else {
722: fprintf(stdout,"CAPA ID entered was zero, this is not valid.\n");
723: fprintf(stdout,"No tries have been deducted for the last submission.\n");
724: fflush(stdout);
725: error |= 2048; return (error);
726: }
727:
728: if (!g_login_set) {
729: fprintf(stdout,"The student ID (%s) or CAPA ID (%d) that you entered \
730: is not listed for the class (%s) that you have selected. Please check that \
731: you have selected the correct class on the CAPA logon page and that the \
732: student ID and CAPA ID are correct.\n",
733: g_student_number, g_entered_pin, g_class_name);
734: fflush(stdout);
735: #ifdef CGI_DBUG
736: fprintf(g_cgi,"CAPA ID or student number is not valid.\n");
737: fflush(g_cgi);
738: #endif /* CGI_DBUG */
739: error |= 4096; return (error);
740: } else {
741: if ( g_login_set > 99 ) {
742: fprintf(stdout,"The student ID (%s) or CAPA ID (%d) that you entered \
743: is not listed for the class (%s) that you have selected. Please check that \
744: you have selected the correct class on the CAPA logon page and that the \
745: student ID and CAPA ID are correct.\n",
746: g_student_number, g_entered_pin, g_class_name);
747: fflush(stdout);
748: #ifdef CGI_DBUG
749: fprintf(g_cgi,"CAPA ID is not valid.\n"); fflush(g_cgi);
750: #endif /* CGI_DBUG */
751: error |= 8192; return (error);
752: }
753: if(g_login_set < g_vset ) {
754: fprintf(stdout,"Your CAPA ID (for set %d) does not allow you to view set %d.\n",g_login_set, g_vset);
755: fflush(stdout);
756: #ifdef CGI_DBUG
757: fprintf(g_cgi,"Login set %d is less than view set %d.\n",g_login_set,g_vset); fflush(g_cgi);
758: #endif /* CGI_DBUG */
759: error |= 16384; return (error);
760: }
761: chdir(g_class_fullpath); /* again, to make sure */
762:
763: if ( capa_get_student(g_student_number,&g_student_data) == 0 ) {
764: fprintf(stdout,"Entered student id is not in the class list.\n");
765: fprintf(stdout,"Please check that have selected the correct class \
766: and have entered you student id correctly.\n");
767: fflush(stdout);
768: #ifdef CGI_DBUG
769: fprintf(g_cgi,"get_student(): Student id not in the classl file.\n"); fflush(g_cgi);
770: #endif /* CGI_DBUG */
771: error |= 32768; return (error);
772: } else {
773: time(&curtime);
774: if (capa_get_header(&header, g_login_set)) {
775: fprintf(stdout,"This problem set is not ready yet.\n");
776: fflush(stdout);
777:
778: #ifdef CGI_DBUG
779: fprintf(g_cgi,"get_header(): Problem set not ready.\n"); fflush(g_cgi);
780: #endif /* CGI_DBUG */
781: error |= 65536; return (error);
782: }
783: capa_mfree(header.weight);
784: capa_mfree(header.partial_credit);
785: /* ===> if (compare_datetime(curtime,header.open_date) < 0 ) { */
786: if( capa_check_date(CHECK_OPEN_DATE,g_student_number,
787: g_student_data.s_sec,g_login_set) < 0 ) {
788: fprintf(stdout,"This set(%d) is not yet open. Please try back later.\n",g_login_set);
789: fflush(stdout);
790: #ifdef CGI_DBUG
791: fprintf(g_cgi,"check_date(): Problem set not open.\n");
792: fflush(g_cgi);
793: #endif /* CGI_DBUG */
794: error |= 131072; return (error);
795: }
796: }
797: }
798: return (error);
799: }
800:
801: /* ============================================================================= */
802: void append_qtext(new_str) char *new_str;
803: {
804: int ii,len;
805: if (new_str==NULL) return;
806: len=strlen(new_str);
807: #ifdef CGI_DBUG
808: fprintf(g_cgi,"before: len %d; g_qchar_cnt %d; g_qsize %d\n",
809: len,g_qchar_cnt,g_qsize);
810: fflush(g_cgi);
811: #endif /* CGI_DBUG */
812: if (g_qchar_cnt+len>g_qsize-1) {
813: char *temp_text;
814: g_qsize=(g_qchar_cnt+len)*2;
815: temp_text=capa_malloc(g_qsize,sizeof(char));
816: strncpy(temp_text,g_question_txt,g_qchar_cnt);
817: capa_mfree(g_question_txt);
818: g_question_txt=temp_text;
819: }
820: for(ii=0;ii<len;ii++) {
821: g_question_txt[g_qchar_cnt+ii]=new_str[ii];
822: }
823: g_qchar_cnt += len;
824: g_question_txt[g_qchar_cnt+1]='\0';
825: #ifdef CGI_DBUG
826: fprintf(g_cgi,"after: len %d; g_qchar_cnt %d; g_qsize %d\n",len,g_qchar_cnt,g_qsize);
827: fflush(g_cgi);
828: #endif /* CGI_DBUG */
829: }
830: void append_stext(new_str) char *new_str;
831: {
832: int ii,len;
833: if (new_str==NULL) return;
834: len=strlen(new_str);
835: #ifdef CGI_DBUG
836: fprintf(g_cgi,"appending status{%s}\nlen %d; g_schar_cnt %d; g_ssize %d\n",
837: new_str,len,g_schar_cnt,g_ssize);
838: fflush(g_cgi);
839: #endif /* CGI_DBUG */
840: if (g_schar_cnt+len>g_ssize-1) {
841: char *temp_text;
842: g_ssize=(g_schar_cnt+len)*2;
843: temp_text=capa_malloc(g_ssize,sizeof(char));
844: strncpy(temp_text,g_status_txt,g_schar_cnt);
845: capa_mfree(g_status_txt);
846: g_status_txt=temp_text;
847: }
848: for(ii=0;ii<len;ii++) {
849: g_status_txt[g_schar_cnt+ii]=new_str[ii];
850: }
851: g_schar_cnt += len;
852: g_status_txt[g_schar_cnt+1]='\0';
853: #ifdef CGI_DBUG
854: fprintf(g_cgi,"len %d; g_schar_cnt %d; g_ssize %d\n",len,g_schar_cnt,g_ssize);
855: fflush(g_cgi);
856: #endif /* CGI_DBUG */
857: }
858: /* ============================================================================= */
859: /* ------------------------------------------------------------
860: printf("ENV<br>\n");
861: printf("SERVER_PROTOCOL:%s<br>",getenv("SERVER_PROTOCOL"));
862: printf("PATH_INFO:%s<br>",getenv("PATH_INFO"));
863: printf("PATH_TRANSLATED:%s<br>\n",getenv("PATH_TRANSLATED"));
864: printf("SCRIPT_NAME:%s<br>\n",getenv("SCRIPT_NAME"));
865: printf("QUERY_STRING:%s<br>\n",getenv("QUERY_STRING"));
866: printf("REMOTE_HOST:%s<br>\n",getenv("REMOTE_HOST"));
867: printf("REMOTE_USER:%s<br>\n",getenv("REMOTE_USER"));
868: printf("REMOTE_IDENT:%s<br>\n",getenv("REMOTE_IDENT"));
869: printf("USER_AGENT:%s<br>\n",getenv("USER_AGENT"));
870: printf("HTTP_USER_AGENT:%s<br>\n",getenv("HTTP_USER_AGENT"));
871: ------------------------------------------------------------
872: */
873:
874: /* ------------------------------------------------------ */
875: /* A class directory must have */
876: /* records/ */
877: /* */
878: /* returns: 0 structure is correct, but no set.db files */
879: /* -1 structure is not correct */
880: /* >=1 the last set.db */
881:
882: int
883: check_class_get_maxset(dir_path) char *dir_path;
884: {
885: char f_name[1024];
886: int set;
887:
888: if( capa_access(dir_path, F_OK) == 0 ) { /* class dir exists */
889: sprintf(f_name,"%s/records",dir_path);
890: if( capa_access(f_name, F_OK) == 0 ) { /* class/records dir exists */
891: for(set = 1; ; set++ ) {
892: sprintf(f_name,"%s/records/set%d.db",dir_path,set);
893: if(capa_access(f_name, F_OK) == -1 ) break;
894: }
895: set--;
896: } else {
897: set = -1;
898: }
899: } else {
900: set = -1;
901: }
902: return (set);
903: }
904:
905: /* ------------------------------------------------------------------------- */
906: /* Get Exam and Quiz Path */
907: /* return 0, 1, 2, 3 */
908: /* 0: Neither exist */
909: /* 1: Exam.path exists */
910: /* 2: Quiz.path exists */
911: /* 3: Both Exam.path and Quiz.path exists */
912: /* ------------------------------------------------------------------------- */
913: int
914: check_exam_quiz_path()
915: {
916: char buf[MAX_BUFFER_SIZE];
917: int result = 0, configResult=0;
918:
919: configResult=read_capa_config("exam_path",buf);
920: if (configResult != 0 && configResult != -1) {
921: g_exam_set = check_class_get_maxset(buf);
922: if(g_exam_set > 0 ) {
923: result = 1;
924: sprintf(g_exam_path,buf);
925: }
926: }
927: configResult=read_capa_config("quiz_path",buf);
928: if (configResult != 0 && configResult != -1) {
929: g_quiz_set = check_class_get_maxset(buf);
930: if(g_quiz_set > 0 ) {
931: result = (result | 2);
932: sprintf(g_quiz_path,buf);
933: }
934: }
935: return (result);
936: }
937:
938:
939: int
940: check_termscore_option()
941: {
942: char buf[MAX_BUFFER_SIZE];
943: int result = 0, configResult=0;
944:
945: configResult=read_capa_config("term_score_applet",buf);
946: if (configResult != 0 && configResult != -1) {
947: fprintf(stdout,"<!-- term_score_applet is in capa.config file -->\n");
948: if (strcasecmp(buf,"yes")==0) {
949: fprintf(stdout,"<!-- term_score_applet is YES -->\n");
950: result=1;
951: }
952: }
953: return (result);
954: }
955:
956:
957:
958:
959: /* ============================================================================= */
960: void
961: print_mainmenu(class,sn,pin)char *class; char *sn;int pin;
962: {
963: char buf[MAX_BUFFER_SIZE];
964: int outcome,configResult,term_summary_button=1;
965: char *serverName;
966:
967: serverName=getenv("SERVER_NAME");
968: if (!serverName) {
969: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
970: fprintf(stdout,"Unable to complete actions.\n");
971: return;
972: }
973:
974: fprintf(stdout,"<TITLE>%s main menu</TITLE>\n",g_class_name);
975: fprintf(stdout,"<h3>%s</h3><br>\n",g_student_name);
976: fprintf(stdout,"<menu>\n");
977: fprintf(stdout,"<li><form method=\"get\" action=\"http://%s/CAPA/help.html\">",serverName);
978: fprintf(stdout,"<input type=\"submit\" value=\"Help\" ></form>\n");
979:
980: fprintf(stdout,"<li><form method=\"post\" ");
981: /* fprintf(stdout," target=\"right_frame\" "); */
982: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
983: fprintf(stdout,"%s\n", buf);
984: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
985: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
986: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
987: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
988: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",1);
989: fprintf(stdout,"<input type=\"submit\" value=\"Try current set\" ></form>\n");
990:
991: fprintf(stdout,"<li><form method=\"post\" ");
992: /* fprintf(stdout," target=\"right_frame\" "); */
993: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
994: fprintf(stdout,"%s\n", buf);
995: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
996: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
997: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
998: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
999: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",1);
1000: fprintf(stdout,"<input type=\"submit\" value=\"View previous set:\" >");
1001: fprintf(stdout,"<b> set:</b><input name=\"VSET\" value=\"\" size=4></form>\n");
1002:
1003: /*Term Summary*/
1004: configResult=read_capa_config("term_summary_button",buf);
1005: if (configResult != 0 && configResult != -1 ) {
1006: if (strcasecmp(buf,"no")==0) {
1007: term_summary_button=0;
1008: }
1009: }
1010: if (term_summary_button) {
1011: fprintf(stdout,"<li><form method=\"post\" ");
1012: /* fprintf(stdout," target=\"right_frame\" "); */
1013: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1014: fprintf(stdout,"%s\n", buf);
1015: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1016: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1017: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1018: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWSUMM);
1019: fprintf(stdout,"<input type=\"submit\" value=\"Display term summary\" ></form>\n");
1020: }
1021:
1022: outcome = check_exam_quiz_path();
1023: if( outcome & 1 ) { /* exam summary */
1024: fprintf(stdout,"<li><form method=\"post\" ");
1025: /* fprintf(stdout," target=\"right_frame\" "); */
1026: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1027: fprintf(stdout,"%s\n", buf);
1028: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1029: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1030: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1031: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_EXAMSUMM);
1032: fprintf(stdout,"<input type=\"submit\" value=\"Display Exam summary\" ></form>\n");
1033: }
1034: if( outcome & 2 ) { /* Quiz summary */
1035: fprintf(stdout,"<li><form method=\"post\" ");
1036: /* fprintf(stdout," target=\"right_frame\" "); */
1037: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1038: fprintf(stdout,"%s\n", buf);
1039: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1040: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1041: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1042: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\" >\n",M_QUIZSUMM );
1043: fprintf(stdout,"<input type=\"submit\" value=\"Display Quiz summary\" ></form>\n");
1044: }
1045: outcome = check_termscore_option();
1046: fprintf(stdout,"<!-- Outcome of check_termscore_option()=%d --!>\n",outcome);
1047: /*Termscore Button*/
1048: if( outcome ) {
1049: fprintf(stdout,"<li><form method=\"post\" ");
1050: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1051: fprintf(stdout,"%s\n", buf);
1052: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1053: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1054: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1055: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\" >\n",M_TERMSCORE );
1056: fprintf(stdout,"<input type=\"submit\" value=\"Extrapolate Term score\" ></form>\n");
1057: }
1058: /*Exit Button*/
1059: fprintf(stdout,"<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
1060: fprintf(stdout,"<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
1061:
1062: fprintf(stdout,"</menu>\n"); fflush(stdout);
1063:
1064: }
1065:
1066: /* ====================================================================================== */
1067: void
1068: print_page_header(mode,num_quest) int mode;int num_quest;
1069: {
1.2 albertel 1070: char buf[MAX_BUFFER_SIZE], discussdir[MAX_BUFFER_SIZE];
1.1 albertel 1071: char *serverName;
1072: int configResult,term_summary_button=1;
1073:
1074: serverName=getenv("SERVER_NAME");
1075: if (!serverName) {
1076: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
1077: fprintf(stdout,"Unable to complete actions.\n");
1078: return;
1079: }
1080:
1081: /* now done in the .qz file
1082: fprintf(stdout,"<TITLE>%s set%d</TITLE>",g_class_name,g_login_set);
1083: if( mode == VIEW_PREVIOUS_MODE ) {
1084: fprintf(stdout,"<H2>%s set%d</H2>\n",g_class_name,g_vset);
1085: } else {
1086: fprintf(stdout,"<H2>%s set%d</H2>\n",g_class_name,g_login_set);
1087: }
1088: fprintf(stdout,"<H3>%s</H3>\n",g_student_data.s_nm);
1089: */
1090:
1091: fprintf(stdout,"<A NAME=\"TOP\"></A>");
1092: fprintf(stdout,"<TABLE cellpadding=0 cellspacing=0 border=0>\n<TR><TD>");
1093:
1094:
1095: /*Term summary button*/
1096: configResult=read_capa_config("term_summary_button",buf);
1097: if (configResult != 0 && configResult != -1 ) {
1098: if (strcasecmp(buf,"no")==0) {
1099: term_summary_button=0;
1100: }
1101: }
1102: #ifdef CGI_DBUG
1103: fprintf(g_cgi,"buf: %s\ntermsum: %d\n",buf,term_summary_button); fflush(g_cgi);
1104: #endif /* CGI_DBUG */
1105:
1106: if (term_summary_button) {
1107: fprintf(stdout,"<form method=\"post\" ");
1108: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1109: fprintf(stdout,"%s\n", buf);
1110: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1111: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1112: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1113: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWSUMM);
1114: fprintf(stdout,"<input type=\"submit\" value=\"Term summary\" ></form></TD>\n");
1115: }
1116:
1117: /*Exit Button*/
1118: fprintf(stdout,"<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
1119: fprintf(stdout,"<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
1120: /*help button*/
1121: if (mode != VIEW_PREVIOUS_MODE) {
1122: fprintf(stdout,"<TD><form method=\"get\" action=\"http://%s/CAPA/help.html\">",serverName);
1123: fprintf(stdout,"<input type=\"submit\" value=\"Help\"></form></TD>");
1124: }
1125:
1126: /*Reload button*/
1127: fprintf(stdout,"<TD><form method=\"post\" ");
1128: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1129: fprintf(stdout,"%s\n", buf);
1130: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1131: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1132: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1133: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question);
1134: if (mode == VIEW_PREVIOUS_MODE ) {
1135: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1136: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1137: } else {
1138: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1139: }
1140: fprintf(stdout,"<input type=\"submit\" value=\"Reload\" >\n</form></TD>");
1141: #ifdef NOT_DEFINED
1142: /* Next Button */
1143: if ( (!(g_num_questions_per_page==ALL_QUESTIONS)) &&
1144: ((g_num_questions_per_page+g_start_question)<num_quest)) {
1145: fprintf(stdout,"<TD><form method=\"post\" ");
1146: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1147: fprintf(stdout,"%s\n", buf);
1148: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1149: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1150: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1151: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question+g_num_questions_per_page);
1152: if (mode == VIEW_PREVIOUS_MODE ) {
1153: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1154: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1155: } else {
1156: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1157: }
1158: fprintf(stdout,"<input type=\"submit\" value=\"Next Page\" >\n</form></TD>");
1159: }
1160:
1161: /* Previous Button */
1162: if ( (!(g_num_questions_per_page==ALL_QUESTIONS)) && (g_start_question > 1)) {
1163: fprintf(stdout,"<TD><form method=\"post\" ");
1164: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1165: fprintf(stdout,"%s\n", buf);
1166: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1167: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1168: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1169: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question-g_num_questions_per_page);
1170: if (mode == VIEW_PREVIOUS_MODE ) {
1171: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1172: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1173: } else {
1174: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1175: }
1176: fprintf(stdout,"<input type=\"submit\" value=\"Previous Page\" >\n</form></TD>");
1177: }
1178: #endif
1179: /* Goto Button */
1180: if (!(g_num_questions_per_page==ALL_QUESTIONS)) {
1181: int idx,numquest;
1182: T_header header;
1183: fprintf(stdout,"<TD><form method=\"post\" ");
1184: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1185: fprintf(stdout,"%s\n", buf);
1186: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1187: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1188: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1189: fprintf(stdout,"<input type=\"submit\" value=\"Goto\" >");
1190: fprintf(stdout,"<b>Problem:</b><input name=\"STARTNUM\" value=\"\" size=4>\n");
1191: if (mode == VIEW_PREVIOUS_MODE ) {
1192: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1193: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1194: } else {
1195: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1196: }
1197:
1198: if (!capa_get_header(&header, g_login_set)) {
1199: numquest=atoi(header.num_questions);
1200: capa_mfree(header.weight);
1201: capa_mfree(header.partial_credit);
1202: for(idx=0;idx<numquest;idx++) {
1203: preserve_last_answer(idx,1);
1204: }
1205: }
1206: fprintf(stdout,"</form></TD>");
1.2 albertel 1207: }
1208:
1209: /*Discuss Button*/
1210:
1211: sprintf(discussdir,"%s/discussion/%d",g_class_fullpath,g_login_set);
1212: if ( access(discussdir,F_OK) == 0 ) {
1213: fprintf(stdout,"<TD><form method=\"post\" ");
1214: sprintf(buf,"action=\"http://%s/%s/%s/capadiscuss\">",serverName,g_cgibin_path,g_cowner);
1215: fprintf(stdout,"%s\n", buf);
1216: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1217: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1218: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1219: fprintf(stdout,"<input type=\"hidden\" name=\"SETID\" value=\"%d\">\n",g_login_set);
1220: fprintf(stdout,"<input type=\"submit\" value=\"Discuss\" >\n</form></TD>");
1.1 albertel 1221: }
1222:
1223: fprintf(stdout,"\n</TR></TABLE>\n");
1224: fflush(stdout);
1225: }
1226:
1227: void create_status_line(int mode,int question_cnt, T_entry* entry)
1228: {
1229: char buf[MAX_BUFFER_SIZE];
1230: int idx,configResult,status_line_length;
1231:
1232: configResult=read_capa_config("web_status_line_length",buf);
1233: if (configResult != 0 && configResult != -1 ) {
1234: if (sscanf(buf,"%d",&status_line_length)==0) {
1235: status_line_length=question_cnt;
1236: }
1237: } else {
1238: status_line_length=question_cnt;
1239: }
1240:
1241: append_stext("<TABLE cellpadding=0 cellspacing=0 border=0><TR>");
1242: append_stext("<TD><b><u>Go to problem</u> </b></TD><TD></TD>");
1243: for(idx=0; idx < status_line_length;idx++ ) {
1244: sprintf(buf,"<TD ALIGN=center VALIGN=bottom>[%d]</TD>",idx+1);
1245: append_stext(buf);
1246: }
1247: for(idx = 0; idx < question_cnt; idx++ ) {
1248: if ( !(idx%status_line_length) ) {
1249: sprintf(buf,"</TR><TR><TD ALIGN=left>%d-%d</TD><TD ALIGN=right>Status: </TD>",
1250: idx+1,idx+status_line_length);
1251: append_stext(buf);
1252: }
1253: if ((idx >= g_start_question-1) &&
1254: (((g_num_questions_per_page == ALL_QUESTIONS)) ||
1255: (idx < (g_start_question+g_num_questions_per_page-1)))) {
1256: sprintf(buf,"<TD ALIGN=center VALIGN=bottom><A href=\"#P%d\">",idx+1);
1257: } else {
1258: sprintf(buf,"<TD ALIGN=center VALIGN=bottom>");
1259: }
1260: append_stext(buf);
1261: if ( (mode == CHECK_ANSWER_MODE) && g_log_string[idx] == '-') {
1262: if (g_inhibit_response && (entry->answers[idx]!='-')) {
1263: sprintf(buf,"A");
1264: } else {
1265: sprintf(buf,"%c",entry->answers[idx]);
1266: }
1267: } else {
1268: if (g_inhibit_response && (entry->answers[idx]!='-')) {
1269: sprintf(buf,"<b>A</b>");
1270: } else {
1271: if ( mode == CHECK_ANSWER_MODE ) {
1272: sprintf(buf,"<b>%c</b>",g_log_string[idx]);
1273: } else {
1274: sprintf(buf,"<b>%c</b>",entry->answers[idx]);
1275: }
1276: }
1277: }
1278: append_stext(buf);
1279: if ((idx >= g_start_question-1) &&
1280: (((g_num_questions_per_page == ALL_QUESTIONS)) ||
1281: (idx < (g_start_question+g_num_questions_per_page-1)))) {
1282: sprintf(buf,"</A></TD>");
1283: } else {
1284: sprintf(buf,"</TD>");
1285: }
1286: append_stext(buf);
1287: }
1288: append_stext("</TR></TABLE>\n");
1289: }
1290:
1291: /* -------------------------------- called by try set, view previous, check answer */
1292: void
1293: print_quizz(class_dir,c_owner,class,sn,pin,set,mode)
1294: char *class_dir; char *c_owner;char *class;char *sn;int pin;int set;int mode;
1295: {
1296: extern int Parsemode_f;
1297: extern char *StartText_p;
1298: extern char *EndText_p;
1299: Problem_t *first_prob, *prob_idx;
1300: int result, question_idx, question_cnt, idx, view_assignment_after_due=1;
1301: int q_leng, display_ans=1, configResult;
1302: int view_assignments_after_due=1;
1303: char buf[MAX_BUFFER_SIZE];
1304: char class_fullpath[FILE_NAME_LENGTH];
1305: T_entry entry;
1306: T_header header;
1307: long offset;
1308: double a;
1309: char cmp_ans[MAX_BUFFER_SIZE],date_str[DATE_BUFFER];
1310: time_t curtime;
1311: char *serverName;
1312:
1313: serverName=getenv("SERVER_NAME");
1314: if (!serverName) {
1315: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
1316: fprintf(stdout,"Unable to complete actions.\n");
1317: return;
1318: }
1319:
1320: sprintf(class_fullpath,"%s/%s",class_dir,class);
1321:
1322: /*
1323: chdir(class_fullpath);
1324: */
1325: #ifdef CGI_DBUG
1326: fprintf(g_cgi,"enter print_quizz() %s, mode:%d\n",class_fullpath,mode); fflush(g_cgi);
1327: #endif /* CGI_DBUG */
1328:
1329: /* get configuration options */
1330: configResult=read_capa_config("num_questions_per_page",buf);
1331: if (configResult != 0 && configResult != -1 ) {
1332: if (sscanf(buf,"%d",&g_num_questions_per_page)==0) {
1333: g_num_questions_per_page=ALL_QUESTIONS;
1334: }
1335: } else {
1336: g_num_questions_per_page=ALL_QUESTIONS;
1337: }
1338:
1339: view_assignments_after_due=capa_check_option(OPTION_VIEW_PROBLEMS_AFTER_DUE,
1340: set,g_student_data.s_sec);
1341: if (view_assignments_after_due < 0 ) view_assignments_after_due=1;
1342: g_inhibit_response=capa_check_option(OPTION_INHIBIT_RESPONSE,set,g_student_data.s_sec);
1343: if (g_inhibit_response < 0 ) g_inhibit_response=0;
1344:
1345: #ifdef CGI_DBUG
1346: fprintf(g_cgi,"Set %d, Section%d, ViewAssign? %d, Inhibit Resp? %d\n",set,
1347: g_student_data.s_sec,view_assignments_after_due,
1348: g_inhibit_response);
1349: fflush(g_cgi);
1350: #endif /* CGI_DBUG */
1351:
1352: time(&curtime);
1353: offset=capa_get_entry(&entry,sn,set); /* <-------- capa*() call ---- */
1354: if( mode == VIEW_PREVIOUS_MODE ) {
1355: if( view_assignment_after_due ) {
1356: if( capa_check_date(CHECK_OPEN_DATE,g_student_number,
1357: g_student_data.s_sec,set) < 0 ) {
1358: append_qtext("This set is not yet open.\n");
1359: return ;
1360: }
1361: } else {
1362: if( (capa_check_date(CHECK_ANS_DATE,g_student_number,
1363: g_student_data.s_sec,set) < 0) &&
1364: (capa_check_date(CHECK_DUE_DATE,g_student_number,
1365: g_student_data.s_sec,set) > 0) ) {
1366: append_qtext("This set is not yet available to be viewed.\n");
1367: return ;
1368: }
1369: }
1370: if( capa_check_date(CHECK_ANS_DATE,g_student_number,
1371: g_student_data.s_sec,set) < 0 ) {
1372: display_ans = 0;
1373: }
1374: }
1375: g_passdue = 0;
1376: if( mode == CHECK_ANSWER_MODE ||
1377: ( (!view_assignment_after_due) && mode == TRY_SET_MODE)) {
1378: if( capa_check_date(CHECK_DUE_DATE,g_student_number,
1379: g_student_data.s_sec,set) > 0 ) {
1380: capa_get_date(CHECK_DUE_DATE,g_student_number,
1381: g_student_data.s_sec,set,date_str);
1382: sprintf(buf,"SORRY, the due date was: %s\n",date_str);
1383: append_qtext(buf);
1384: g_passdue = 1;
1385: }
1386: }
1387:
1388: if ((mode==CHECK_ANSWER_MODE) || (mode== TRY_SET_MODE))
1389: capa_set_login_time(g_student_number,set);
1390:
1391: capa_get_header(&header,set);
1392:
1393: sscanf(header.num_questions,"%d",&question_cnt);
1394: print_page_header(mode,question_cnt);
1395:
1396: #ifdef CGI_DBUG
1397: fprintf(g_cgi,"DONE page header\n"); fflush(g_cgi);
1398: #endif /* CGI_DBUG */
1399:
1400: if(offset < 0 ) offset = - offset;
1401:
1402: Parsemode_f = HTML_MODE; /* WEB_MODE */
1403: result = capa_parse(set, &first_prob, sn, &question_cnt,NULL); /* <-- capa*() call */
1404:
1405: #ifdef CGI_DBUG
1406: fprintf(g_cgi,"DONE capa_parse() [%d], pass due=%d\n",result,g_passdue); fflush(g_cgi);
1407: #endif /* CGI_DBUG */
1408:
1409: if (StartText_p) printf(StartText_p);
1410:
1411: #ifdef CGI_DBUG
1412: fprintf(g_cgi,"DONE Start Text\n"); fflush(g_cgi);
1413: #endif /* CGI_DBUG */
1414:
1415: if ( result != 0 ) {
1416: if( !g_passdue ) {
1417: append_qtext("<FORM method=\"post\" ");
1418: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,
1419: g_cgibin_path,c_owner);
1420: append_qtext(buf);
1421: sprintf(buf,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class); append_qtext(buf);
1422: sprintf(buf,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn); append_qtext(buf);
1423: sprintf(buf,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin); append_qtext(buf);
1424: sprintf(buf,"<input type=\"hidden\" name=\"SET\" value=\"%d\">\n",set); append_qtext(buf);
1425: sprintf(buf,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_CHECKANS); append_qtext(buf);
1426: sprintf(buf,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question); append_qtext(buf);
1427: append_qtext("\n<OL>\n");
1428: }
1429:
1430: for(idx=0;idx<question_cnt;idx++) { /* prepare log string and new database entry */
1431: g_new_answerdb[idx] = entry.answers[idx];
1432: g_log_string[idx] = '-';
1433: sscanf(entry.tries + 3*idx,"%d,",&(g_tried[idx]) );
1434: }
1435: g_new_answerdb[question_cnt]=0; g_log_string[question_cnt]=0;
1436: prob_idx = first_prob;
1437: for( question_idx = 0; question_idx < question_cnt;
1438: question_idx++,prob_idx = prob_idx->next ) {
1439: #ifdef CGI_DBUG
1440: fprintf(g_cgi,"quetion_idx: %d, g_start_question:%d, g_num_que: %d\n",
1441: question_idx,g_start_question,g_num_questions_per_page); fflush(g_cgi);
1442: #endif /* CGI_DBUG */
1443: if ((question_idx < g_start_question-1)
1444: ||
1445: (((!(g_num_questions_per_page == ALL_QUESTIONS))
1446: &&
1447: (question_idx >= (g_start_question+g_num_questions_per_page-1))))) {
1448: preserve_last_answer(question_idx,0);
1449: continue;
1450: }
1451: if( !g_passdue ) {
1452: sprintf(buf,"<A NAME=\"P%d\"></A>",question_idx+1); append_qtext(buf);
1453: /* if (!((question_idx == (g_start_question-1)) || (question_idx == 0))) {
1454: append_qtext("<A href=\"#TOP\">Top</A>");
1455: sprintf(buf," <A href=\"#P%d\">Next</A>",question_idx+2); append_qtext(buf);
1456: }*/
1457: q_leng = strlen(prob_idx->question);
1458: if ( !prob_idx->show_br ) {
1459: append_qtext(prob_idx->question);
1460: } else {
1461: for(idx=0;idx<q_leng;idx++) {
1462: if ( g_qchar_cnt+2 >= g_qsize ) {
1463: char *temp_text;
1464: g_qsize=g_qchar_cnt*2;
1465: temp_text=capa_malloc(g_qsize,sizeof(char));
1466: strncpy(temp_text,g_question_txt,g_qsize);
1467: capa_mfree(g_question_txt);
1468: g_question_txt=temp_text;
1469: }
1470: g_question_txt[g_qchar_cnt]=prob_idx->question[idx];
1471: g_qchar_cnt++;
1472: if(prob_idx->question[idx] == '\n' ) {
1473: append_qtext("<br>\n");
1474: }
1475: }
1476: }
1477: }
1478: if(mode == VIEW_PREVIOUS_MODE) { /* VIEW_PREVIOUS_MODE */
1479: if( display_ans ) {
1480: if( prob_idx->ans_type == ANSWER_IS_FLOAT ) {
1481: a = (double)atof(prob_idx->answer);
1482: sprintf(cmp_ans,prob_idx->ans_fmt, a);
1483: } else {
1484: strcpy(cmp_ans,prob_idx->answer);
1485: }
1486: if( prob_idx->ans_unit ) {
1487: sprintf(buf,"<p><tt><b>Answer:</b> %s %s</tt><br>\n",cmp_ans, prob_idx->unit_str);
1488: } else {
1489: sprintf(buf,"<p><tt><b>Answer:</b> %s</tt><br>\n",cmp_ans);
1490: }
1491: append_qtext(buf);
1492: if ( prob_idx->explain) {
1493: sprintf(buf,"<p><b>Explanation: </b>\n<p>%s<br>\n",prob_idx->explain);
1494: append_qtext(buf);
1495: }
1496: }
1497: } else { /* could be TRY_SET_MODE, CHECK_ANSWER_MODE */
1498:
1499: if( g_passdue ) {
1500: get_response(header.partial_credit[question_idx],entry.answers[question_idx],question_idx,prob_idx);
1501: }else{
1502: if (g_inhibit_response) {
1503: print_inhibited_response(header.partial_credit[question_idx],entry.answers[question_idx],question_idx,prob_idx);
1504: } else {
1505: print_response(header.partial_credit[question_idx],entry.answers[question_idx],question_idx,prob_idx);
1506: }
1507: append_qtext("<br>\n");
1508: if( (g_tried[question_idx] >= prob_idx->show_hint) ||
1509: (entry.answers[question_idx]=='Y') ||
1510: (entry.answers[question_idx]=='y')) {
1511: if( prob_idx->hint ) {
1512: sprintf(buf,"<p><B>Hint: </B>%s\n<br>\n", prob_idx->hint);
1513: append_qtext(buf);
1514: }
1515: }
1516: }
1517: }
1518: } /* ------------------------------------- end displaying each problem */
1519: append_qtext("\n</OL>\n");
1520: if( EndText_p ) append_qtext(EndText_p);
1521: free_problems(first_prob);
1522:
1523: #ifdef CGI_DBUG
1524: fprintf(g_cgi,"End display each problem\n"); fflush(g_cgi);
1525: #endif /* CGI_DBUG */
1526:
1527: if( mode == CHECK_ANSWER_MODE ) { /* update the record database */
1528: if( !g_passdue ) {
1529: for(idx=0;idx<question_cnt;idx++){
1530: if( g_new_answerdb[idx] != entry.answers[idx]) {
1531: entry.answers[idx] = g_new_answerdb[idx];
1532: }
1533: if(g_tried[idx] < 10 ) {
1534: entry.tries[3*idx] = ' ';
1535: entry.tries[3*idx+1] = g_tried[idx] + '0';
1536: if(idx < question_cnt-1) entry.tries[3*idx+2] = ',';
1537: } else {
1538: entry.tries[3*idx] = (int)(g_tried[idx]/10) + '0';
1539: entry.tries[3*idx+1] = (g_tried[idx] % 10) + '0';
1540: if(idx < question_cnt-1) entry.tries[3*idx+2] = ',';
1541: }
1542: }
1543: capa_set_entry(&entry,sn,set,offset); /* <-------- capa*() call */
1544:
1545: #ifdef CGI_DBUG
1546: fprintf(g_cgi,"DONE set db entry\n"); fflush(g_cgi);
1547: #endif /* CGI_DBUG */
1548:
1549: create_status_line(mode,question_cnt,&entry);
1550: }
1551: if (w_log_attempt(g_student_number,set,g_log_string) == -1 ) {
1552: fprintf(stdout,"<BOLD>Unable to log attempt. Please notify instructor.</BOLD>\n");
1553: }
1554: }
1555: #ifdef CGI_DBUG
1556: fprintf(g_cgi,"DONE check answer mode\n"); fflush(g_cgi);
1557: #endif /* CGI_DBUG */
1558:
1559: if( (mode == TRY_SET_MODE && !g_passdue) ||
1560: mode == VIEW_PREVIOUS_MODE) {
1561: create_status_line(mode,question_cnt,&entry);
1562: }
1563:
1564: if( !g_passdue ) {
1565: sprintf(buf,"</ul></form>\n"); append_qtext(buf);
1566: }
1567: }
1568: }
1569:
1570: void
1571: get_response(char pcr,char u_db,int q_idx,Problem_t *p)
1572: {
1573: if( pcr == '0' || p->ans_type==ANSWER_IS_SUBJECTIVE ) { /* not hand-graded question */
1574: switch(u_db) { /* what's from the user record */
1575: case 'Y': break;
1576: case 'y': break;
1577: case '-':
1578: if(g_stu_ans_pp[q_idx+1] != NULL ) log_user_ans(q_idx,p);
1579: break;
1580: case 'E':
1581: case 'e': break;
1582: case 'n': break;
1583: case 'N':
1584: case '0': case '1': case '2': case '3': case '4':
1585: case '5': case '6': case '7': case '8': case '9':
1586: if(g_stu_ans_pp[q_idx+1] != NULL ) log_user_ans(q_idx,p);
1587: break;
1588: default:
1589: break;
1590: }
1591: }
1592: }
1593:
1594: void display_last_answer(int q_idx)
1595: {
1596: char buf[MAX_BUFFER_SIZE];
1597: StudentAnswer_t *sa_p;
1598: #ifdef CGI_DBUG
1599: fprintf(g_cgi,"Enter display_last_answer() [%d]\n",q_idx); fflush(g_cgi);
1600: #endif /* CGI_DBUG */
1601: if(g_stu_ans_pp[q_idx+1] != NULL) {
1602: sa_p=g_stu_ans_pp[q_idx+1];
1603: } else {
1604: if (g_last_ans_pp[q_idx+1] != NULL) {
1605: sa_p=g_last_ans_pp[q_idx+1];
1606: } else {
1607: return;
1608: }
1609: }
1610: if (sa_p->a_next == NULL) {
1611: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d\" value=\"%s\">\n",
1612: q_idx+1,sa_p->a_str);
1613: append_qtext(buf);
1614: sprintf(buf," <b>Last Answer:</b> %s\n",sa_p->a_str);
1615: append_qtext(buf);
1616: } else {
1617: while(sa_p) {
1618: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d,%02d\" value=\"%s\">\n",
1619: q_idx+1,sa_p->a_idx,sa_p->a_str);
1620: append_qtext(buf);
1621: sprintf(buf," <b>Last Answer %d:</b> %s\n",sa_p->a_idx,sa_p->a_str);
1622: append_qtext(buf);
1623: sa_p=sa_p->a_next;
1624: }
1625: }
1626: }
1627:
1628: void preserve_last_answer(int q_idx,int print)
1629: {
1630: char buf[MAX_BUFFER_SIZE];
1631: StudentAnswer_t *sa_p;
1632: #ifdef CGI_DBUG
1633: fprintf(g_cgi,"Enter preserve_last_answer() [%d]\n",q_idx); fflush(g_cgi);
1634: #endif /* CGI_DBUG */
1635: if(g_stu_ans_pp[q_idx+1] != NULL) {
1636: sa_p=g_stu_ans_pp[q_idx+1];
1637: } else {
1638: if (g_last_ans_pp[q_idx+1] != NULL) {
1639: sa_p=g_last_ans_pp[q_idx+1];
1640: } else {
1641: return;
1642: }
1643: }
1644: if (sa_p->a_next == NULL) {
1645: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d\" value=\"%s\">\n",
1646: q_idx+1,sa_p->a_str);
1647: if (print) printf(buf); else append_qtext(buf);
1648: } else {
1649: while(sa_p) {
1650: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d,%02d\" value=\"%s\">\n",
1651: q_idx+1,sa_p->a_idx,sa_p->a_str);
1652: if (print) printf(buf); else append_qtext(buf);
1653: sa_p=sa_p->a_next;
1654: }
1655: }
1656: }
1657:
1658: void display_last_subjective(int q_idx)
1659: {
1660: char *buf;
1661: char *answer;
1662: #ifdef CGI_DBUG
1663: fprintf(g_cgi,"Enter display_last_subjective() [%d]\n",q_idx); fflush(g_cgi);
1664: #endif /* CGI_DBUG */
1665: answer=capa_get_subjective(g_login_set,q_idx+1,g_student_number);
1666: if (answer==NULL) return;
1667: #ifdef CGI_DBUG
1668: fprintf(g_cgi,"Found answer %s\n",answer); fflush(g_cgi);
1669: #endif /* CGI_DBUG */
1670: buf=capa_malloc(MAX_BUFFER_SIZE+strlen(answer),1);
1671: /* don't need to stick in a last since we always get it from the files */
1672: /* sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d\" value=\"%s\">\n",q_idx+1,answer);*/
1673: append_qtext(buf);
1674: append_qtext("<b>Current Submission:</b><br>\n");
1675: append_qtext("<TABLE BORDER=1 CELLSPACING=0>\n<TR><TD>\n");
1676: append_qtext("<PRE>");
1677: append_qtext(answer);
1678: append_qtext("</PRE>");
1679: append_qtext("</TD></TR></TABLE>\n");
1680: capa_mfree(buf);
1681: capa_mfree(answer);
1682: }
1683:
1684: void create_answer_area(Problem_t *p,int q_idx)
1685: {
1686: int ii;
1687: char buf[MAX_BUFFER_SIZE];
1688:
1689: #ifdef CGI_DBUG
1690: fprintf(g_cgi,"Enter create_answer_area() [%d]\n",q_idx); fflush(g_cgi);
1691: #endif /* CGI_DBUG */
1692:
1693: if ( p->ans_type==ANSWER_IS_SUBJECTIVE ) {
1694: display_last_subjective(q_idx);
1695: }
1696: if ( p->show_ans_box ) {
1697: if ( p->ans_op == ANS_AND ) {
1698: for(ii=0;ii<p->ans_cnt;ii++) {
1699: if (p->ans_type == ANSWER_IS_FORMULA) {
1700: sprintf(buf,"<p><B>Answer %d of %d:</B><input size=80 name=\"INPUT%02d,%02d\" value=\"\">\n",ii+1,p->ans_cnt,q_idx+1,ii+1);
1701: } else {
1702: sprintf(buf,"<p><B>Answer %d of %d:</B><input name=\"INPUT%02d,%02d\" value=\"\">\n",ii+1,p->ans_cnt,q_idx+1,ii+1);
1703: }
1704: append_qtext(buf);
1705: }
1706: } else { /* single answer, or /OR answers, or subjective answer */
1707: if (p->ans_type == ANSWER_IS_SUBJECTIVE ) {
1708: sprintf(buf,"<p><B>Answer:</B><br><TEXTAREA name=\"INPUT%02d\" rows=\"15\" cols=\"80\"></TEXTAREA>\n",q_idx+1);
1709: } else {
1710: if (p->ans_type == ANSWER_IS_FORMULA) {
1711: sprintf(buf,"<p><B>Answer:</B><input size=80 name=\"INPUT%02d\" value=\"\">\n",q_idx+1);
1712: } else {
1713: sprintf(buf,"<p><B>Answer:</B><input name=\"INPUT%02d\" value=\"\">\n",q_idx+1);
1714: }
1715: }
1716: append_qtext(buf);
1717: }
1718: }
1719: append_qtext("<input type=\"submit\" value=\"Submit All Answers\" >\n");
1720: if ( p->ans_type!=ANSWER_IS_SUBJECTIVE ) {
1721: display_last_answer(q_idx);
1722: }
1723: }
1724:
1725: void
1726: print_response(char pcr,char u_db,int q_idx,Problem_t *p)
1727: {
1728: int a_tpe;
1729: char *c_ans,*response,*answered="Answered",*nycorrect="Not yet correct";
1730: int t_tpe;
1731: double tol;
1732: int sig_l;
1733: int sig_u;
1734: char *a_fmt, *c_answer_str;
1735: int tries;
1736:
1737: char buf[MAX_BUFFER_SIZE];
1738:
1739: a_tpe = p->ans_type;
1740: c_ans = p->answer;
1741: t_tpe = p->tol_type;
1742: tol = p->tolerance;
1743: sig_l = p->sig_lbound;
1744: sig_u = p->sig_ubound;
1745: a_fmt = p->ans_fmt;
1746: tries = p->tries;
1747: response=nycorrect;
1748:
1749: #ifdef CGI_DBUG
1750: fprintf(g_cgi,"Enter print_response() [%c]\n",u_db); fflush(g_cgi);
1751: #endif /* CGI_DBUG */
1752: if( pcr == '0' || a_tpe==ANSWER_IS_SUBJECTIVE ) { /* not hand-graded question */
1753: switch(u_db) { /* this is from the user record */
1754: case 'Y':
1755: c_answer_str = answers_string(ANSWER_STRING_MODE, p);
1756: sprintf(buf,"<p><tt>Correct, computer gets: %s</tt>\n", c_answer_str);
1757: append_qtext(buf);
1758: capa_mfree((char *)c_answer_str);
1759: break;
1760: case 'y':
1761: append_qtext("<p><tt>Hand-graded Correct</tt>\n");
1762: break;
1763: case '-':
1764: if(g_stu_ans_pp[q_idx+1] == NULL ) {
1765: create_answer_area(p,q_idx);
1766: } else {
1767: check_user_ans(q_idx,p);
1768: }
1769: break;
1770: case 'E':
1771: case 'e': append_qtext("<p><tt>Excused</tt>\n"); break;
1772: case 'n': append_qtext("<p><tt>Hand-graded Incorrect</tt>\n"); break;
1773: case '0': case '1': case '2': case '3': case '4':
1774: case '5': case '6': case '7': case '8': case '9':
1775: response=answered;
1776: case 'N':
1777: if(g_stu_ans_pp[q_idx+1] == NULL ) {
1778: if( g_tried[q_idx] < tries) {
1779: create_answer_area(p,q_idx);
1780: if( tries - g_tried[q_idx] == 1) {
1781: sprintf(buf,"<br><tt>%s, ONE try left!!</tt>\n",response);
1782: }else{
1783: sprintf(buf,"<br><tt>%s, tries %d/%d</tt>\n",response,
1784: g_tried[q_idx],tries);
1785: }
1786: append_qtext(buf);
1787: }else{
1788: if (p->ans_type==ANSWER_IS_SUBJECTIVE)
1789: display_last_answer(q_idx);
1790: else
1791: display_last_subjective(q_idx);
1792: append_qtext("<br><tt>No more tries.</tt>\n");
1793: }
1794: } else { /* answering this question */
1795: if( g_tried[q_idx] < tries) {
1796: check_user_ans(q_idx,p);
1797: } else {
1798: if (p->ans_type==ANSWER_IS_SUBJECTIVE)
1799: display_last_answer(q_idx);
1800: else
1801: display_last_subjective(q_idx);
1802: append_qtext("<br><tt>No more tries.</tt>\n");
1803: }
1804: }
1805: break;
1806: }
1807: } else {
1808: append_qtext("<p><tt>Question to be Graded Manually.</tt>\n");
1809:
1810: }
1811:
1812: }
1813:
1814: void
1815: print_inhibited_response(char pcr,char u_db,int q_idx,Problem_t *p)
1816: {
1817: int a_tpe;
1818: char *c_ans;
1819: int t_tpe;
1820: double tol;
1821: int sig_l;
1822: int sig_u;
1823: char *a_fmt;
1824: int tries;
1825: char buf[MAX_BUFFER_SIZE];
1826:
1827: a_tpe = p->ans_type;
1828: c_ans = p->answer;
1829: t_tpe = p->tol_type;
1830: tol = p->tolerance;
1831: sig_l = p->sig_lbound;
1832: sig_u = p->sig_ubound;
1833: a_fmt = p->ans_fmt;
1834: tries = p->tries;
1835:
1836: #ifdef CGI_DBUG
1837: fprintf(g_cgi,"Enter print_inhibited_response() [%c]\n",u_db); fflush(g_cgi);
1838: #endif /* CGI_DBUG */
1839:
1840: if( pcr == '0' || a_tpe==ANSWER_IS_SUBJECTIVE ) { /* not hand-graded question */
1841: switch(u_db) { /* this is from the user record */
1842: case '-':
1843: if(g_stu_ans_pp[q_idx+1] == NULL ) {
1844: create_answer_area(p,q_idx);
1845: } else {
1846: check_inhibited_user_ans(q_idx,p);
1847: }
1848: break;
1849: case 'Y': case 'y':
1850: case 'E': case 'e':
1851: case 'n': case 'N':
1852: case '0': case '1': case '2': case '3': case '4':
1853: case '5': case '6': case '7': case '8': case '9':
1854: if(g_stu_ans_pp[q_idx+1] == NULL ) {
1855: if( g_tried[q_idx] < tries) {
1856: create_answer_area(p,q_idx);
1857: if( tries - g_tried[q_idx] == 1) {
1858: append_qtext("<br><tt>Answered, ONE try left!!</tt>\n");
1859: }else{
1860: sprintf(buf,"<br><tt>Answered, tries %d/%d</tt>\n",g_tried[q_idx],tries);
1861: append_qtext(buf);
1862: }
1863: }else{
1864: if (p->ans_type==ANSWER_IS_SUBJECTIVE)
1865: display_last_answer(q_idx);
1866: else
1867: display_last_subjective(q_idx);
1868: append_qtext("<br><tt>Answered,No more tries.</tt>\n");
1869: }
1870: } else { /* answering this question */
1871: if( g_tried[q_idx] < tries) {
1872: check_inhibited_user_ans(q_idx,p);
1873: } else {
1874: if (p->ans_type==ANSWER_IS_SUBJECTIVE)
1875: display_last_answer(q_idx);
1876: else
1877: display_last_subjective(q_idx);
1878: append_qtext("<br><tt>Answered, No more tries.</tt>\n");
1879: }
1880: }
1881: break;
1882: }
1883: } else {
1884: append_qtext("<p><tt>Question to be Graded Manually.</tt>\n");
1885: }
1886: }
1887:
1888: /* returns a -1 if there were not enough answers, otherwise the number of responses
1889: for the question is returned*/
1890: int gather_answers(char ***ans,int q_idx,Problem_t *p)
1891: {
1892: int cnt;
1893: if(p->ans_op==ANS_AND) {
1894: int i; StudentAnswer_t *sa_p;
1895: *ans=(char**)capa_malloc(p->ans_cnt,1);
1896: sa_p= g_stu_ans_pp[q_idx+1];
1897: for(i=0;((i<p->ans_cnt)&&(sa_p));i++){
1898: ans[0][i]=sa_p->a_str;
1899: sa_p=sa_p->a_next;
1900: }
1901: cnt=p->ans_cnt;
1902: if (i<p->ans_cnt) return -1;
1903: } else {
1904: *ans=(char**)capa_malloc(p->ans_cnt,1);
1905: ans[0][0]=g_stu_ans_pp[q_idx+1]->a_str;
1906: cnt=1;
1907: }
1908: return cnt;
1909: }
1910:
1911: void
1912: log_user_ans(int q_idx,Problem_t *p)
1913: {
1914: char **ans;
1915: int cnt;
1916: if (p->ans_type==ANSWER_IS_SUBJECTIVE) {
1917: capa_set_subjective(g_login_set,q_idx+1,g_student_number,
1918: g_stu_ans_pp[q_idx+1]->a_str);
1919: } else {
1920: if (-1 != (cnt=gather_answers(&ans,q_idx,p))) {
1921: switch( capa_check_answers(p,ans,cnt) ) {
1922: case EXACT_ANS: g_log_string[q_idx]='Y'; break;
1923: case APPROX_ANS: g_log_string[q_idx]='Y'; break;
1924: case SIG_FAIL: g_log_string[q_idx]='S'; break;
1925: case UNIT_FAIL: g_log_string[q_idx]='U'; break;
1926: case UNIT_NOTNEEDED: g_log_string[q_idx]='U'; break;
1927: case NO_UNIT: g_log_string[q_idx]='u'; break;
1928: case BAD_FORMULA: g_log_string[q_idx]='F'; break;
1929: case INCORRECT: g_log_string[q_idx]='N'; break;
1930: }
1931: }
1932: }
1933: }
1934:
1935: void submit_subjective(int q_idx,Problem_t *p)
1936: {
1937: char buf[MAX_BUFFER_SIZE];
1938: if (capa_set_subjective(g_login_set,q_idx+1,g_student_number,
1939: g_stu_ans_pp[q_idx+1]->a_str)<0){
1940: sprintf(buf,"<p><tt>Falied to record last submission.</tt><br>\n");
1941: g_tried[q_idx]--;
1942: } else {
1943: sprintf(buf,"<p><tt>Current submission recorded.</tt><br>\n");
1944: g_new_answerdb[q_idx] = '0';
1945: g_log_string[q_idx]='A';
1946: }
1947: append_qtext(buf);
1948: if (g_tried[q_idx]<p->tries) {
1949: create_answer_area(p,q_idx);
1950: if( p->tries - g_tried[q_idx] == 1) {
1951: append_qtext("<br><tt>ONE try left</tt>\n");
1952: }else{
1953: sprintf(buf,"<br><tt>tries %d/%d</tt>\n",g_tried[q_idx],p->tries);
1954: append_qtext(buf);
1955: }
1956: }else{
1957: display_last_answer(q_idx);
1958: append_qtext("<br><tt>No more tries.</tt>\n");
1959: }
1960: }
1961:
1962: void
1963: check_user_ans(int q_idx,Problem_t *p)
1964: {
1965: int a_tpe,cnt;
1966: char *c_ans,**ans;
1967: int t_tpe;
1968: double tol;
1969: int sig_l;
1970: int sig_u;
1971: char *a_fmt;
1972: int tries;
1973: char buf[MAX_BUFFER_SIZE];
1974:
1975: a_tpe = p->ans_type;
1976: t_tpe = p->tol_type;
1977: tol = p->tolerance;
1978: sig_l = p->sig_lbound;
1979: sig_u = p->sig_ubound;
1980: a_fmt = p->ans_fmt;
1981: tries = p->tries;
1982:
1983: #ifdef CGI_DBUG
1984: fprintf(g_cgi,"Enter check_user_ans() anstype=%d\n",a_tpe); fflush(g_cgi);
1985: #endif /* CGI_DBUG */
1986:
1987: g_tried[q_idx]++;
1988:
1989: #ifdef CGI_DBUG
1990: fprintf(g_cgi,"Call capa_check_answer() with [%s]\n",g_stu_ans_pp[q_idx+1]->a_str); fflush(g_cgi);
1991: #endif /* CGI_DBUG */
1992: if (a_tpe==ANSWER_IS_SUBJECTIVE) {
1993: submit_subjective(q_idx,p);
1994: return;
1995: }
1996:
1997: cnt=gather_answers(&ans,q_idx,p);
1998: if (cnt == -1) {
1999: g_tried[q_idx]--;
2000: create_answer_area(p,q_idx);
2001: if( (tries - g_tried[q_idx]) == 1 ) {
2002: append_qtext("<br><tt>Not all answers submitted, ONE try left!!</tt>\n");
2003: }else{
2004: sprintf(buf,"<br><tt>Not all answers submitted, tries %d/%d.</tt>\n",
2005: g_tried[q_idx],tries);
2006: append_qtext(buf);
2007: }
2008: return;
2009: }
2010:
2011: switch( capa_check_answers(p,ans,cnt) ) {
2012: case EXACT_ANS:
2013: case APPROX_ANS:
2014: c_ans=answers_string(ANSWER_STRING_MODE, p);
2015: sprintf(buf,"<p><tt>Yes, Computer gets: %s</tt>\n", c_ans);
2016: append_qtext(buf);
2017: g_new_answerdb[q_idx] = 'Y';
2018: g_log_string[q_idx]='Y';
2019: capa_mfree(c_ans);
2020: break;
2021: case SIG_FAIL:
2022: create_answer_area(p,q_idx);
2023: g_tried[q_idx]--; /* don't count as a try */
2024: sprintf(buf,"<br><tt>Please adjust significant figures, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2025: append_qtext(buf);
2026: g_new_answerdb[q_idx] = 'N';
2027: g_log_string[q_idx]='S';
2028: break;
2029: case UNIT_FAIL:
2030: create_answer_area(p,q_idx);
2031: g_tried[q_idx]--; /* don't count as a try */
2032: sprintf(buf,"<br><tt>Units incorrect, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2033: append_qtext(buf);
2034: g_new_answerdb[q_idx] = 'N';
2035: g_log_string[q_idx]='U';
2036: break;
2037: case UNIT_NOTNEEDED:
2038: create_answer_area(p,q_idx);
2039: g_tried[q_idx]--; /* don't count as a try */
2040: if(tries > 0) {
2041: sprintf(buf,"<br><tt>Only a number required, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2042: append_qtext(buf);
2043: }
2044: g_new_answerdb[q_idx] = 'N';
2045: g_log_string[q_idx]='U';
2046: break;
2047: case NO_UNIT:
2048: create_answer_area(p,q_idx);
2049: g_tried[q_idx]--; /* don't count as a try */
2050: sprintf(buf,"<br><tt>Units required, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2051: append_qtext(buf);
2052: g_new_answerdb[q_idx] = 'N';
2053: g_log_string[q_idx]='u';
2054: break;
2055: case BAD_FORMULA:
2056: create_answer_area(p,q_idx);
2057: g_tried[q_idx]--; /* don't count as a try */
2058: sprintf(buf,"<br><tt>Unable to understand formula, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2059: append_qtext(buf);
2060: g_new_answerdb[q_idx] = 'N';
2061: g_log_string[q_idx]='F';
2062: break;
2063: case INCORRECT:
2064: if( g_tried[q_idx] < tries ) {
2065: create_answer_area(p,q_idx);
2066: if( (tries - g_tried[q_idx]) == 1 ) {
2067: append_qtext("<br><tt>Incorrect, ONE try left!!</tt>\n");
2068: }else{
2069: sprintf(buf,"<br><tt>Incorrect, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2070: append_qtext(buf);
2071: }
2072: } else {
2073: display_last_answer(q_idx);
2074: append_qtext("<br><tt>Incorrect, no more tries.</tt>\n");
2075: }
2076: g_new_answerdb[q_idx] = 'N';
2077: g_log_string[q_idx]='N';
2078: break;
2079: }
2080: }
2081:
2082: void
2083: check_inhibited_user_ans(int q_idx,Problem_t *p)
2084: {
2085: int a_tpe,cnt;
2086: char *c_ans,**ans;
2087: int t_tpe;
2088: double tol;
2089: int sig_l;
2090: int sig_u;
2091: char *a_fmt;
2092: int tries;
2093: char buf[MAX_BUFFER_SIZE];
2094:
2095: a_tpe = p->ans_type;
2096: c_ans = p->answer;
2097: t_tpe = p->tol_type;
2098: tol = p->tolerance;
2099: sig_l = p->sig_lbound;
2100: sig_u = p->sig_ubound;
2101: a_fmt = p->ans_fmt;
2102: tries = p->tries;
2103:
2104: #ifdef CGI_DBUG
2105: fprintf(g_cgi,"Enter check_inhibited_user_ans() anstype=%d\n",a_tpe); fflush(g_cgi);
2106: #endif /* CGI_DBUG */
2107:
2108: g_tried[q_idx]++;
2109:
2110: #ifdef CGI_DBUG
2111: fprintf(g_cgi,"Call capa_check_answer() with [%s]\n",g_stu_ans_pp[q_idx+1]->a_str);
2112: fflush(g_cgi);
2113: #endif /* CGI_DBUG */
2114: if (a_tpe==ANSWER_IS_SUBJECTIVE) {
2115: submit_subjective(q_idx,p);
2116: return;
2117: }
2118:
2119: cnt=gather_answers(&ans,q_idx,p);
2120: if (cnt == -1) {
2121: g_tried[q_idx]--;
2122: create_answer_area(p,q_idx);
2123: if( (tries - g_tried[q_idx]) == 1 ) {
2124: append_qtext("<br><tt>Not all answers submitted, ONE try left!!</tt>\n");
2125: }else{
2126: sprintf(buf,"<br><tt>Not all answers submitted, tries %d/%d.</tt>\n",
2127: g_tried[q_idx],tries);
2128: append_qtext(buf);
2129: }
2130: return;
2131: }
2132:
2133: switch( capa_check_answers(p,ans,cnt) ) {
2134: case EXACT_ANS:
2135: case APPROX_ANS:
2136: g_new_answerdb[q_idx] = 'Y';
2137: g_log_string[q_idx]='Y';
2138: break;
2139: case SIG_FAIL:
2140: g_new_answerdb[q_idx] = 'N';
2141: g_log_string[q_idx]='S';
2142: break;
2143: case UNIT_FAIL:
2144: g_new_answerdb[q_idx] = 'N';
2145: g_log_string[q_idx]='U';
2146: break;
2147: case UNIT_NOTNEEDED:
2148: g_new_answerdb[q_idx] = 'N';
2149: g_log_string[q_idx]='U';
2150: break;
2151: case NO_UNIT:
2152: g_new_answerdb[q_idx] = 'N';
2153: g_log_string[q_idx]='u';
2154: break;
2155: case BAD_FORMULA:
2156: g_new_answerdb[q_idx] = 'N';
2157: g_log_string[q_idx]='F';
2158: break;
2159: case INCORRECT:
2160: g_new_answerdb[q_idx] = 'N';
2161: g_log_string[q_idx]='N';
2162: break;
2163: }
2164:
2165: if( g_tried[q_idx] < tries ) {
2166: create_answer_area(p,q_idx);
2167: if( (tries - g_tried[q_idx]) == 1 ) {
2168: append_qtext("<br><tt>Answered, ONE try left!!</tt>\n");
2169: }else{
2170: sprintf(buf,"<br><tt>Answered, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2171: append_qtext(buf);
2172: }
2173: } else {
2174: display_last_answer(q_idx);
2175: append_qtext("<br><tt>Answered, no more tries.</tt>\n");
2176: }
2177: }
2178:
2179: void /* RETURNS: (nothing) */
2180: print_summary(class_dir,class,student_number,pin,set)
2181: char *class_dir;char *class;char *student_number;int pin;int set;
2182: { /* LOCAL VARIABLES: */
2183: int set_idx, /* Set counter */
2184: i, /* Question counter */
2185: set_score, /* Score on a set */
2186: term_score=0, /* Total points received */
2187: term_valid=0, /* Total points possible */
2188: result;
2189: T_entry entry; /* Database entry for a set */
2190: char buf[MAX_BUFFER_SIZE]; /* Output line buffer */
2191: char buf2[MAX_BUFFER_SIZE]; /* Output line buffer */
2192: T_header header; /* Problem set header */
2193: int question_cnt,valid_wgt, rate,configResult,
2194: status_line_length=DEFAULT_STATUS_LINE_LENGTH,row;
2195: char class_fullpath[ONE_K],*serverName;
2196:
2197: serverName=getenv("SERVER_NAME");
2198: if (!serverName) {
2199: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
2200: fprintf(stdout,"Unable to complete actions.\n");
2201: return;
2202: }
2203:
2204: sprintf(class_fullpath,"%s/%s",class_dir,class);
2205: chdir(class_fullpath);
2206: configResult=read_capa_config("web_status_line_length",buf);
2207: if (configResult != 0 && configResult != -1 ) {
2208: if (sscanf(buf,"%d",&status_line_length)==0) {
2209: status_line_length=DEFAULT_STATUS_LINE_LENGTH;
2210: }
2211: } else {
2212: status_line_length=DEFAULT_STATUS_LINE_LENGTH;
2213: }
2214:
2215: printf("<TABLE>\n<TR><TD></TD>\n");
2216: for(i=0;i<status_line_length;i++) {
2217: printf("<TD align=center valign=bottom>%d</TD>\n",i+1);
2218: }
2219: printf("</TR>");
2220:
2221: for (set_idx=1; set_idx<=set; set_idx++) {
2222: g_inhibit_response=capa_check_option(OPTION_INHIBIT_RESPONSE,set_idx,
2223: g_student_data.s_sec);
2224: if (g_inhibit_response > 0) continue;
2225:
2226: if (capa_get_header(&header,set_idx)) return;
2227: capa_get_entry(&entry,student_number,set_idx);
2228: sscanf(header.num_questions,"%d", &(question_cnt) );
2229: valid_wgt = 0; set_score = 0;
2230: header.weight[question_cnt] = '\0';
2231: header.partial_credit[question_cnt] = '\0';
2232: for (i=0; i<question_cnt; i++) {
2233: valid_wgt += (header.weight[i] - '0');
2234: if((entry.answers[i]=='Y') || (entry.answers[i]=='y'))
2235: set_score += (header.weight[i]-'0');
2236: if((entry.answers[i]=='E') || (entry.answers[i]=='e'))
2237: valid_wgt -= (header.weight[i] - '0');
2238: if((entry.answers[i]>='0') && (entry.answers[i]<='9'))
2239: set_score += (entry.answers[i] - '0');
2240: }
2241: term_valid += valid_wgt;
2242: term_score += set_score;
2243:
2244: if( valid_wgt != 0 ) {
2245: rate = 100*set_score / valid_wgt;
2246: printf("<TR><TD nowrap align=center valign=bottom>set <B>%d</B>, %d/%d(%d %%) </TD>",set_idx,set_score,valid_wgt,rate);
2247: } else {
2248: printf("<TR><TD nowrap align=center valign=bottom>set <B>%d</B>, 0/0(0 %%) </TD>",set_idx);
2249: }
2250: for(row=0;row<=(question_cnt/status_line_length);row++) {
2251: for(i=(row*status_line_length);
2252: ((i<question_cnt)&&(i<((row+1)*status_line_length))); i++) {
2253: if (i != 0 && (!(i%status_line_length))) { printf("</TR><TD></TD>"); }
2254: printf("<TD align=center valign=bottom><tt>%c</tt></TD>\n",entry.answers[i]);
2255: }
2256: printf("</TR>\n<TR><TD></TD>");
2257: for(i=(row*status_line_length);
2258: ((i<question_cnt)&&(i<((row+1)*status_line_length))); i++) {
2259: if (i != 0 && (!(i%status_line_length))) { printf("</TR><TD></TD>"); }
2260: printf("<TD align=center valign=bottom><tt>%c</tt></TD>\n",header.weight[i]);
2261: }
2262: }
2263: printf("</TR>");
2264: capa_mfree(header.weight);
2265: capa_mfree(header.partial_credit);
2266: }
2267: printf("\n</TABLE>\n<hr>\n");
2268: /* SHOW TOTALS */
2269: /* if capalogin_show_summary_score is set to none don't show it */
2270: sprintf(buf,"%d sets, total = %3d/%3d (%d%%)\n", set, term_score, term_valid, 100*term_score/term_valid);
2271: result=read_capa_config("capalogin_show_summary_score",buf2);
2272: if (result != 0 && result != -1) {
2273: if (strcasecmp(buf2,"none")==0) {
2274: } else {
2275: printf("%s",buf);
2276: }
2277: } else {
2278: printf("%s",buf);
2279: }
2280:
2281: printf("<TABLE cellpadding=0 cellspacing=0 border=0>\n<TR><TD>");
2282: printf("<form method=\"post\" ");
2283: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
2284: printf("%s\n", buf);
2285: printf("<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
2286: printf("<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
2287: printf("<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
2288: printf("<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_CHECKIN);
2289: printf("<input type=\"submit\" value=\"Main menu\" ></form></TD>\n");
2290: printf("<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
2291: printf("<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
2292: printf("\n</TABLE>\n");
2293: }
2294:
2295:
2296: void
2297: process_mode(int mode) {
2298:
2299: #ifdef CGI_DBUG
2300: fprintf(g_cgi,"entered process_mode[%d]\n",mode); fflush(g_cgi);
2301: #endif /* CGI_DBUG */
2302: g_qchar_cnt=g_schar_cnt=0;
2303: g_qsize=TEXT_BUF_SIZE*sizeof(char);
2304: g_ssize=STATUS_BUF_SIZE*sizeof(char);
2305: g_question_txt=capa_malloc(TEXT_BUF_SIZE,sizeof(char));
2306: g_status_txt =capa_malloc(STATUS_BUF_SIZE,sizeof(char));
2307: #ifdef CGI_DBUG
2308: fprintf(g_cgi,"alloced everything\n"); fflush(g_cgi);
2309: #endif /* CGI_DBUG */
2310: if( mode == VIEW_PREVIOUS_MODE ) {
2311: print_quizz(g_cpath,g_cowner,g_class_name,g_student_number, g_entered_pin, g_vset,mode);
2312: } else if( mode == TRY_SET_MODE ) {
2313: print_quizz(g_cpath,g_cowner,g_class_name,g_student_number, g_entered_pin, g_login_set,mode);
2314: } else {
2315: print_quizz(g_cpath,g_cowner,g_class_name,g_student_number,g_entered_pin,g_login_set,CHECK_ANSWER_MODE);
2316: }
2317: g_status_txt[g_schar_cnt]=0;
2318: g_question_txt[g_qchar_cnt]=0;
2319: if( g_schar_cnt != 0 ) {
2320: fprintf(stdout,"%s",g_status_txt);
2321: #ifdef CGI_DBUG
2322: fprintf(g_cgi,"print status [%s]\n",g_status_txt); fflush(g_cgi);
2323: #endif /* CGI_DBUG */
2324: }
2325: if( g_qchar_cnt != 0) {
2326: fprintf(stdout,"%s",g_question_txt);
2327: #ifdef CGI_DBUG
2328: fprintf(g_cgi,"print question [%s]\n",g_question_txt); fflush(g_cgi);
2329: #endif /* CGI_DBUG */
2330: }
2331: if( g_schar_cnt != 0 ) {
2332: fprintf(stdout,"%s",g_status_txt);
2333: }
2334: fflush(stdout);
2335: capa_mfree(g_status_txt);
2336: capa_mfree(g_question_txt);
2337:
2338: }
2339:
2340: /* mode could be exam summary, show or not show percentage */
2341: /* quiz summary, show or not show percentage */
2342: void
2343: process_summary(int mode)
2344: {
2345: int outcome;
2346: int i, len;
2347: char *c_name;
2348: char c_path[512];
2349:
2350: outcome = check_exam_quiz_path();
2351: if( (mode == M_EXAMSUMM) && (outcome & 1) ) { /* exam summary */
2352: c_name = rindex(g_exam_path,'/');
2353: c_name++;
2354: i = strlen(c_name);
2355: len = strlen(g_exam_path) - i - 1;
2356: for(i=0;i<len;i++) {
2357: c_path[i]=g_exam_path[i];
2358: }
2359: c_path[len]=0;
2360: print_summary(c_path,c_name,g_student_number, g_entered_pin, g_exam_set);
2361: }
2362: if( (mode == M_QUIZSUMM) && (outcome & 2) ) { /* quiz summary */
2363: c_name = rindex(g_quiz_path,'/');
2364: c_name++;
2365: i = strlen(c_name);
2366: len = strlen(g_quiz_path) - i - 1;
2367: for(i=0;i<len;i++) {
2368: c_path[i]=g_quiz_path[i];
2369: }
2370: c_path[len]=0;
2371: print_summary(c_path,c_name,g_student_number, g_entered_pin, g_quiz_set);
2372: }
2373:
2374: }
2375:
2376: /* ---------------- JAVA TScore.class page print out ----------------- */
2377: void /* RETURNS: (nothing) */
2378: print_termscore_page(class_dir,class,student_number,pin,set,out)
2379: char *class_dir;char *class;char *student_number;int pin;int set; /* student login set */
2380: FILE *out;
2381: { /* LOCAL VARIABLES: */
2382: int set_idx, /* Set counter */
2383: i, /* Question counter */
2384: set_score, /* Score on a set */
2385: term_score=0, /* Total points received */
1.3 ! albertel 2386: term_valid=0; /* Total points possible */
1.1 albertel 2387: T_entry entry; /* Database entry for a set */
2388: char buf[MAX_BUFFER_SIZE]; /* Output line buffer */
2389: T_header header; /* Problem set header */
1.3 ! albertel 2390: int question_cnt,valid_wgt,configResult;
1.1 albertel 2391: char class_fullpath[ONE_K],*serverName;
2392: int hw_c, hw_r, qz_c, qz_r, fs, homework_count, quiz_count;
2393: float hw_w, qz_w, ex_w, fe_w, pc_w;
2394: int idx, entry_count, tmp_len;
2395: float *S, *F;
2396: int *X;
1.3 ! albertel 2397: char *capa_server;
1.1 albertel 2398: int max_set[4];
2399: char **c_path_pp;
1.3 ! albertel 2400:
! 2401: /*Unused Vars
! 2402: char buf2[MAX_BUFFER_SIZE];
! 2403: char *qz_p, *ex_p, *epc_p;
! 2404: int ex_c, epc_c, result;
! 2405: int rate, status_line_length=DEFAULT_STATUS_LINE_LENGTH,row;
! 2406: */
! 2407:
1.1 albertel 2408: serverName=getenv("SERVER_NAME");
2409: if (!serverName) {
2410: fprintf(out,"Enviroment variable SERVER_NAME not set.\n");
2411: fprintf(out,"Unable to complete actions.\n");
2412: return;
2413: }
2414:
2415: sprintf(class_fullpath,"%s/%s",class_dir,class);
2416: chdir(class_fullpath);
2417:
2418: /*
2419: change the working director to the major homework directory and begin to
2420: read off the remaining path informations from this capa.config file
2421: homework_path =
2422: quiz_path =
2423: exam_path =
2424: correction_path =
2425: homework_weight = 0.3
2426: quiz_weight = 0.7
2427: exam_weight = 0.3
2428: final_weight = 0.35
2429: correction_weight = 0.3
2430: final_exam_set_number = 4
2431: homework_count = 12
2432: quiz_count = 24
2433:
2434: */
2435:
2436: configResult=read_capa_config("capa_server",buf);
2437: if (configResult != 0 && configResult != -1 ) {
2438: tmp_len = strlen(buf) + 1;
2439: capa_server = (char *)capa_malloc( tmp_len, sizeof(char));
2440: sprintf(capa_server,"%s",buf);
2441: } else { /* if capa_server is not set then we won't do anything further */
2442: fprintf(out,"Parameter: capa_server in capa.config file are not properly set.\n");
2443: return ;
2444: }
2445: if( get_termscore_params(&hw_w,&qz_w,&ex_w,&fe_w,&pc_w,&homework_count,&quiz_count,&fs) == -1 ) {
2446: fprintf(out,"Parameters in capa.config file are not properly set.\n");
2447: fprintf(out," such as homework_weight, quiz_weight, exam_weight, final_weight, correction_weight.\n");
2448:
2449: return;
2450: }
2451: c_path_pp = (char **)capa_malloc( 4, sizeof(char *));
2452: tmp_len = strlen(class_fullpath) + 1;
2453: c_path_pp[0] = (char *)capa_malloc(tmp_len,sizeof(char));
2454: sprintf(c_path_pp[0],"%s",class_fullpath); /* c_path_pp[0] should always be there */
2455:
2456: entry_count = fs*2 + 1;
2457: S = (float *)capa_malloc( ((fs+1)*2), sizeof(float));
2458: F = (float *)capa_malloc( ((fs+1)*2), sizeof(float));
2459: X = (int *)capa_malloc( ((fs+1)*2), sizeof(int));
2460:
2461: max_set[0] = set; /* the login set number */
2462: hw_c = max_set[0];
2463: hw_r = homework_count - set;
2464:
2465:
2466: configResult=read_capa_config("quiz_path",buf);
2467: if (configResult != 0 && configResult != -1 ) {
2468: tmp_len = strlen(buf)+1;
2469: c_path_pp[1] = (char *)capa_malloc(tmp_len,sizeof(char));
2470: sprintf(c_path_pp[1],"%s",buf);
2471: max_set[1] = check_class_get_maxset(c_path_pp[1]);
2472: if( max_set[1] <= 0 ) {
2473: /* should we continue ? */
2474: max_set[1] = 1;
2475: X[1] = 1;
2476: }
2477: qz_c = max_set[1];
2478: qz_r = quiz_count - max_set[1];
2479: } else { /* if quiz_path is not in capa.config, then we will skip quizz */
2480: qz_c = 0;
2481: qz_r = 0;
2482: }
2483:
2484:
2485: configResult=read_capa_config("exam_path",buf);
2486: if (configResult != 0 && configResult != -1 ) {
2487: tmp_len = strlen(buf)+1;
2488: c_path_pp[2] = (char *)capa_malloc( (tmp_len),sizeof(char));
2489: sprintf(c_path_pp[2],"%s",buf);
2490: max_set[2] = check_class_get_maxset(c_path_pp[2]);
2491: if( max_set[2] <= 0 ) {
2492: /* should we continue ? */
2493: max_set[2] = 0;
2494: for(idx=2;idx <= (fs*2); idx++) {
2495: X[idx] = 1;
2496: }
2497: }
2498: } else { /* if exam_path is not in capa.config, then skip exams */
2499: fs = 0;
2500: }
2501: configResult=read_capa_config("correction_path",buf);
2502: if (configResult != 0 && configResult != -1 ) {
2503: tmp_len = strlen(buf)+1;
2504: c_path_pp[3] = (char *)capa_malloc(tmp_len,sizeof(char));
2505: sprintf(c_path_pp[3],"%s",buf);
2506: max_set[3] = check_class_get_maxset(c_path_pp[3]);
2507: if( max_set[3] <= 0 ) {
2508: /* should we continue ? */
2509: max_set[3] = 0;
2510:
2511: }
2512: } else { /* if correction_path is not in capa.config, then skip corrections */
2513: pc_w = 0.0;
2514: }
2515:
2516:
2517:
2518: for( idx = 0; idx < 4; idx++) {
2519: if( c_path_pp[idx] != NULL ) {
2520: chdir(c_path_pp[idx]);
2521: term_score=0;
2522: term_valid=0;
2523: for (set_idx=1; set_idx<=max_set[idx]; set_idx++) {
2524: if (capa_get_header(&header,set_idx)) return;
2525: capa_get_entry(&entry,student_number,set_idx);
2526: sscanf(header.num_questions,"%d", &(question_cnt) );
2527: valid_wgt = 0; set_score = 0;
2528: header.weight[question_cnt] = '\0';
2529: header.partial_credit[question_cnt] = '\0';
2530: for (i=0; i<question_cnt; i++) {
2531: valid_wgt += (header.weight[i] - '0');
2532: if((entry.answers[i]=='Y') || (entry.answers[i]=='y'))
2533: set_score += (header.weight[i]-'0');
2534: if((entry.answers[i]=='E') || (entry.answers[i]=='e'))
2535: valid_wgt -= (header.weight[i] - '0');
2536: if((entry.answers[i]>='0') && (entry.answers[i]<='9'))
2537: set_score += (entry.answers[i] - '0');
2538: }
2539: term_valid += valid_wgt;
2540: term_score += set_score;
2541: capa_mfree(header.weight);
2542: capa_mfree(header.partial_credit);
2543: if(idx==2) { /* exam sets */
2544: S[set_idx*2] = (float)set_score;
2545: F[set_idx*2] = (float)valid_wgt;
2546: X[set_idx*2] = 0;
2547: }
2548: if(idx==3) { /* correction sets */
2549: S[set_idx*2+1] = (float)set_score;
2550: F[set_idx*2+1] = (float)valid_wgt;
2551: X[set_idx*2+1] = 0;
2552: }
2553: }
2554: if( (idx == 0) || (idx==1) ) { /* homeworks and quizzes */
2555: S[idx] = (float)term_score;
2556: F[idx] = (float)term_valid;
2557: X[idx] = 1;
2558: }
2559: }
2560: }
2561:
2562:
2563:
2564:
2565: fprintf(out,"<CENTER>\n");
2566: fprintf(out,"<APPLET CODE=TScore.class CODEBASE=\"http://%s\" width=600 height=750>\n",capa_server);
2567: fprintf(out,"<PARAM NAME=\"HW_W\" VALUE=\"%f\">\n", hw_w);
2568: fprintf(out,"<PARAM NAME=\"QZ_W\" VALUE=\"%f\">\n", qz_w);
2569: fprintf(out,"<PARAM NAME=\"EX_W\" VALUE=\"%f\">\n", ex_w);
2570: fprintf(out,"<PARAM NAME=\"FE_W\" VALUE=\"%f\">\n", fe_w);
2571: fprintf(out,"<PARAM NAME=\"PC_W\" VALUE=\"%f\">\n", pc_w);
2572: fprintf(out,"<PARAM NAME=\"HW_C\" VALUE=\"%d\">\n", hw_c);
2573: fprintf(out,"<PARAM NAME=\"HW_R\" VALUE=\"%d\">\n", hw_r);
2574: fprintf(out,"<PARAM NAME=\"FS\" VALUE=\"%d\">\n", fs);
2575: fprintf(out,"<PARAM NAME=\"QZ_C\" VALUE=\"%d\">\n", qz_c);
2576: fprintf(out,"<PARAM NAME=\"QZ_R\" VALUE=\"%d\">\n", qz_r);
2577:
2578:
2579: for(idx=0;idx<entry_count;idx++) {
2580: fprintf(out,"<PARAM NAME=\"S%d\" VALUE=\"%f\">\n",idx,S[idx]);
2581: fprintf(out,"<PARAM NAME=\"F%d\" VALUE=\"%f\">\n",idx,F[idx]);
2582: fprintf(out,"<PARAM NAME=\"X%d\" VALUE=\"%d\">\n",idx,X[idx]);
2583: }
2584:
2585: fprintf(out,"</APPLET> </CENTER>\n");
2586:
2587: fprintf(out,"<TABLE cellpadding=0 cellspacing=0 border=0>\n<TR><TD>");
2588: fprintf(out,"<form method=\"post\" ");
2589: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
2590: fprintf(out,"%s\n", buf);
2591: fprintf(out,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
2592: fprintf(out,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
2593: fprintf(out,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
2594: fprintf(out,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_CHECKIN);
2595: fprintf(out,"<input type=\"submit\" value=\"Main menu\" ></form></TD>\n");
2596: fprintf(out,"<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
2597: fprintf(out,"<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
2598: fprintf(out,"\n</TABLE>\n");
2599:
2600: capa_mfree((char *)S);
2601: capa_mfree((char *)F);
2602: capa_mfree((char *)X);
2603: for(idx=0;idx<4;idx++) {
2604: if( c_path_pp[idx] != NULL ) capa_mfree((char *)c_path_pp[idx]);
2605: }
2606: capa_mfree((char *)c_path_pp);
2607: capa_mfree((char *)capa_server);
2608: }
2609:
2610:
2611:
2612: int
2613: get_termscore_params(hw,qw,ew,fw,pw,hc,qc,fs)
2614: float *hw;float *qw;float *ew;float *fw;float *pw;
2615: int *hc;int *qc;int *fs;
2616: {
2617: char buf[MAX_BUFFER_SIZE]; /* Output line buffer */
2618: int hw_c, qz_c, fe_s;
2619: float hw_w, qz_w, ex_w, fe_w, pc_w;
2620: int configResult;
2621:
2622: configResult=read_capa_config("homework_weight",buf);
2623: if (configResult != 0 && configResult != -1 ) {
2624: sscanf(buf,"%f", &hw_w);
2625: if(hw_w <= 0.0 ) {
2626: hw_w = DEFAULT_HW_W;
2627: }
2628: } else {
2629: return (-1);
2630: }
2631: configResult=read_capa_config("quiz_weight",buf);
2632: if (configResult != 0 && configResult != -1 ) {
2633: sscanf(buf,"%f", &qz_w);
2634: if(qz_w <= 0.0 ) {
2635: qz_w = DEFAULT_QZ_W;
2636: }
2637: } else {
2638: return (-1);
2639: }
2640: configResult=read_capa_config("exam_weight",buf);
2641: if (configResult != 0 && configResult != -1 ) {
2642: sscanf(buf,"%f", &ex_w);
2643: if(ex_w <= 0.0 ) {
2644: ex_w = DEFAULT_EX_W;
2645: }
2646: } else {
2647: return (-1);
2648: }
2649: configResult=read_capa_config("final_weight",buf);
2650: if (configResult != 0 && configResult != -1 ) {
2651: sscanf(buf,"%f", &fe_w);
2652: if(fe_w <= 0.0 ) {
2653: fe_w = DEFAULT_FE_W;
2654: }
2655: } else {
2656: return (-1);
2657: }
2658: configResult=read_capa_config("correction_weight",buf);
2659: if (configResult != 0 && configResult != -1 ) {
2660: sscanf(buf,"%f", &pc_w);
2661: if(pc_w <= 0.0 ) {
2662: pc_w = DEFAULT_PC_W;
2663: }
2664: } else {
2665: return (-1);
2666: }
2667: configResult=read_capa_config("final_exam_set_number",buf);
2668: if (configResult != 0 && configResult != -1 ) {
2669: sscanf(buf,"%d", &fe_s);
2670: if(fe_s <= 0 ) {
2671: fe_s = DEFAULT_FE_NUMBER;
2672: }
2673: } else {
2674: return (-1);
2675: }
2676: configResult=read_capa_config("homework_count",buf);
2677: if (configResult != 0 && configResult != -1 ) {
2678: sscanf(buf,"%d", &hw_c);
2679: if(hw_c <= 0 ) {
2680: hw_c = DEFAULT_HW_COUNT;
2681: }
2682: } else {
2683: return (-1);
2684: }
2685: configResult=read_capa_config("quiz_count",buf);
2686: if (configResult != 0 && configResult != -1 ) {
2687: sscanf(buf,"%d", &qz_c);
2688: if(qz_c <= 0 ) {
2689: qz_c = DEFAULT_QZ_COUNT;
2690: }
2691: } else {
2692: return (-1);
2693: }
2694: *hw = hw_w; *qw = qz_w; *ew = ex_w; *fw = fe_w; *pw = pc_w;
2695: *hc = hw_c; *qc = qz_c; *fs = fe_s;
2696: return (0);
2697:
2698: }
2699:
2700: /* =================================================================================================== */
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