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: g_stu_ans_pp[q_idx] = (StudentAnswer_t *)capa_malloc(sizeof(StudentAnswer_t),1);
408: (g_stu_ans_pp[q_idx])->a_idx = 1;
409: (g_stu_ans_pp[q_idx])->a_str = strsave(g_entries[x].val);
410: (g_stu_ans_pp[q_idx])->a_next = NULL;
411: trim_response_ws((g_stu_ans_pp[q_idx])->a_str);
412: }
413: leng = strlen( g_entries[x].val );
414: if ( leng > 0 ) {
415: sprintf(buf,"%d\t%s\t",q_idx,g_entries[x].val);
416: strcat(submissions_str,buf);
417: }
418: }
419: } else { /* this answer belongs to /AND answers */
420: sscanf(g_entries[x].name,"INPUT%d,%d",&q_idx,&sub_idx);
421: if( q_idx > 0 && q_idx < MAX_PROBLEM_CNT ) {
422: if ( ! is_all_ws(g_entries[x].val) ) {
423: StudentAnswer_t *sa_p;
424: sa_p = (StudentAnswer_t *)capa_malloc(sizeof(StudentAnswer_t),1);
425: sa_p->a_idx = sub_idx;
426: sa_p->a_str = strsave(g_entries[x].val);
427: sa_p->a_next = NULL;
428: if( g_stu_ans_pp[q_idx] == NULL ) {
429: g_stu_ans_pp[q_idx] = sa_p;
430: } else {
431: StudentAnswer_t *sb_p;
432: for(sb_p=g_stu_ans_pp[q_idx]; sb_p->a_next; sb_p=sb_p->a_next);
433: sb_p->a_next = sa_p;
434: }
435: }
436: leng = strlen( g_entries[x].val );
437: if ( leng > 0 ) {
438: sprintf(buf,"%d\t%s\t",q_idx,g_entries[x].val);
439: strcat(submissions_str,buf);
440: }
441: }
442: }
443: }
444: if( !strncmp(g_entries[x].name,"LAST",4) ) {
445: StudentAnswer_t *sa_p;
446: if( index(g_entries[x].name, ',' ) == NULL ) { /* only one answer */
447: sscanf(g_entries[x].name,"LAST%d",&q_idx);
448: if( q_idx > 0 && q_idx < MAX_PROBLEM_CNT ) {
449: sa_p = (StudentAnswer_t *)capa_malloc(sizeof(StudentAnswer_t),1);
450: sa_p->a_idx = 1;
451: sa_p->a_str = strsave(g_entries[x].val);
452: sa_p->a_next = NULL;
453: g_last_ans_pp[q_idx] = sa_p;
454: }
455: } else {
456: sscanf(g_entries[x].name,"LAST%d,%d",&q_idx,&sub_idx);
457: if( q_idx > 0 && q_idx < MAX_PROBLEM_CNT ) {
458: sa_p = (StudentAnswer_t *)capa_malloc(sizeof(StudentAnswer_t),1);
459: sa_p->a_idx = sub_idx;
460: sa_p->a_str = strsave(g_entries[x].val);
461: sa_p->a_next = NULL;
462: if( g_last_ans_pp[q_idx] == NULL) {
463: g_last_ans_pp[q_idx] = sa_p;
464: } else {
465: StudentAnswer_t *sb_p;
466: for(sb_p=g_last_ans_pp[q_idx]; sb_p->a_next; sb_p=sb_p->a_next);
467: sb_p->a_next = sa_p;
468: }
469: }
470: }
471: }
472: }
473:
474: /* ========================================================================= */
475: /* Check in: Class name (CLASS)
476: Student Number (SNUM)
477: CAPA ID (CAPAID)
478: M=1
479: Try set: Class name (CLASS)
480: Student Number (SNUM)
481: CAPA ID (CAPAID)
482: First question to print (STARTNUM)
483: M=2
484: View previous: Class name (CLASS)
485: Student Number (SNUM)
486: CAPA ID (CAPAID)
487: First question to print (STARTNUM)
488: View set (VSET)
489: M=3
490: Set summary:
491:
492: --------------------------------------------------------------------------- */
493:
494: int w_get_input()
495: {
496: register int x,m=0;
497: int cl, q_idx, result = 1;
498: T_header header;
499: char log_str[MAX_BUFFER_SIZE],buf[MAX_BUFFER_SIZE];
500: char submissions_str[MAX_BUFFER_SIZE];
501: time_t curtime;
502: char *time_str,*UNKNOWN="UNKNOWN";
503: int error=0;
504: char *envPtr=NULL,*envPtr2=NULL;
505: #ifdef CGI_DBUG
506: fprintf(g_cgi,"Entered get_input()\n"); fflush(g_cgi);
507: #endif /* CGI_DBUG */
508:
509: envPtr=getenv("REQUEST_METHOD");
510: if(!envPtr) {
511: fprintf(stdout,"Enviroment variable REQUEST_METHOD not set.\n");
512: fprintf(stdout,"CAPA is improperly installed or run, please let your \
513: instructor know about this error.\n");
514: fprintf(stdout,"No tries have been deducted for the last submission.\n");
515: error |= 1;
516: return error;
517: }
518: if(strcmp(envPtr,"POST")) {
519: fprintf(stdout,"This script should be referenced with a METHOD of POST.\n");
520: fprintf(stdout,"CAPA is improperly installed or run, please let your \
521: instructor know about this error.\n");
522: fprintf(stdout,"No tries have been deducted for the last submission.\n");
523: fflush(stdout);
524: #ifdef CGI_DBUG
525: fprintf(g_cgi,"Request_method is not POST\n"); fflush(g_cgi);
526: #endif /* CGI_DBUG */
527: error |= 2; return (error);
528: }
529:
530: envPtr=getenv("CONTENT_TYPE");
531: if(!envPtr) {
532: fprintf(stdout,"Enviroment variable CONTENT_TYPE not set.\n");
533: fprintf(stdout,"CAPA is improperly installed or run, please let your \
534: instructor know about this error.\n");
535: fprintf(stdout,"No tries have been deducted for the last submission.\n");
536: fflush(stdout);
537: error |= 4;
538: return error;
539: }
540: if(strncmp(envPtr,"application/x-www-form-urlencoded",33)) {
541: fprintf(stdout,"This script can only be used to decode form results. \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: #ifdef CGI_DBUG
547: fprintf(g_cgi,"CONTENT_TYPE is not application/x-www-form-urlencoded\n"); fflush(g_cgi);
548: #endif /* CGI_DBUG */
549: error |= 8; return (error);
550: }
551:
552: envPtr=getenv("CONTENT_LENGTH");
553: if(!envPtr) {
554: fprintf(stdout,"Enviroment variable CONTENT_LENGTH not set.\n");
555: fprintf(stdout,"CAPA is improperly installed or run, please let your \
556: instructor know about this error.\n");
557: fprintf(stdout,"No tries have been deducted for the last submission.\n");
558: error |= 16;
559: return error;
560: }
561: cl = atoi(envPtr);
562: #ifdef CGI_DBUG
563: fprintf(g_cgi,"CONTENT_LENGTH is %d\n",cl); fflush(g_cgi);
564: #endif /* CGI_DBUG */
565: for(x=0;cl && (!feof(stdin));x++) {
566: m=x;
567: g_entries[x].val = fmakeword(stdin,'&',&cl);
568: plustospace(g_entries[x].val);
569: unescape_url(g_entries[x].val);
570: g_entries[x].name = makeword(g_entries[x].val,'=');
571: }
572: /* ---------------------------------------------------- */
573: g_entered_pin = 0; g_run_mode =0;
574: submissions_str[0]='\0';
575: for(x=0; x <= m; x++) {
576: if( !strcmp(g_entries[x].name,"CLASS") ) {
577: strncpy(g_class_name,g_entries[x].val,MAX_CLASS_CHAR);
578: }
579: if( !strcmp(g_entries[x].name,"M") ) { /* run mode */
580: sscanf(g_entries[x].val,"%d",&g_run_mode);
581: }
582: if( !strcmp(g_entries[x].name,"STARTNUM")) {
583: sscanf(g_entries[x].val,"%d",&g_start_question);
584: }
585: if( !strcmp(g_entries[x].name,"SNUM") ) {
586: strncpy(g_student_number,g_entries[x].val,MAX_STUDENT_NUMBER+4);
587: }
588: if( !strcmp(g_entries[x].name,"CAPAID") ) {
589: sscanf(g_entries[x].val,"%d",&g_entered_pin);
590: }
591: if( !strcmp(g_entries[x].name,"SET") ) {
592: sscanf(g_entries[x].val,"%d",&g_set);
593: }
594: if( !strcmp(g_entries[x].name,"VSET") ) {
595: if (g_entries[x].val[0] == '\0') {
596: g_vset=0;
597: } else {
598: sscanf(g_entries[x].val,"%d",&g_vset);
599: }
600: }
601: if( !strcmp(g_entries[x].name,"KND") ) {
602: sscanf(g_entries[x].val,"%d",&g_skind);
603: }
604: w_get_responses(x,q_idx,submissions_str);
605: free(g_entries[x].val);
606: free(g_entries[x].name);
607: }
608:
609: #ifdef CGI_DBUG
610: fprintf(g_cgi,"DONE: Parse input\n"); fflush(g_cgi);
611: #endif /* CGI_DBUG */
612: /* --------------------------------------------------------- */
613: /* if( strcasecmp(g_prog_name,"capacheckin") == 0 ) { */
614: if( g_run_mode == M_CHECKIN ) { /* capa_checkin */
615: time(&curtime); time_str = ctime(&curtime);
616: time_str[ strlen(time_str)-1 ] = 0;
617: envPtr=getenv("REMOTE_HOST");
618: if(!envPtr) {
619: fprintf(stdout,"<!-- Enviroment variable REMOTE_HOST not set.-->\n");
620: envPtr=getenv("REMOTE_ADDR");
621: if(!envPtr) {
622: fprintf(stdout,"<!-- Enviroment variable REMOTE_ADDR not set.-->\n");
623: envPtr=UNKNOWN;
624: error |= 32;
625: }
626: }
627: #ifdef CGI_DBUG
628: fprintf(g_cgi,"DONE: REMOTE_HOST\n"); fflush(g_cgi);
629: #endif /* CGI_DBUG */
630:
631: envPtr2=getenv("HTTP_USER_AGENT");
632: if(!envPtr2) {
633: fprintf(stdout,"<!-- Enviroment variable HTTP_USER_AGENT not set. -->\n");
634: envPtr2=UNKNOWN;
635: error |= 64;
636: }
637: sprintf(log_str,"%s\t%s\t%s\t%s\t%s\n",g_class_name,g_student_number,time_str,envPtr,envPtr2);
638: if (web_log(log_str) == -1 ) {
639: fprintf(stdout,"Unable to log access to the system. Please notify instructor\n.");
640: fprintf(stdout,"No tries have been deducted for the last submission.\n");
641: error |= 128;
642: return error;
643: }
644:
645: }
646: #if defined(NeXT)
647: getwd(g_cwd);
648: #else
649: getcwd(g_cwd,255);
650: #endif
651: web_getclassdir(&g_cpath, &g_cowner, g_class_name);
652: sprintf(g_class_fullpath,"%s/%s",g_cpath,g_class_name);
653: #ifdef CGI_DBUG
654: fprintf(g_cgi,"DONE: getclassdir() [%s]\n",g_class_fullpath); fflush(g_cgi);
655: #endif /* CGI_DBUG */
656: if( !capa_access(g_class_fullpath, F_OK) == 0 ) {
657: fprintf(stdout,"ACCESS: could not access the class directory [%s]!\n",g_class_fullpath);
658: fprintf(stdout,"Please exit the web browser and try accessing the system again\n");
659: fprintf(stdout,"No tries have been deducted for the last submission.\n");
660: fflush(stdout);
661: 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",
662: g_class_fullpath,g_cpath,g_class_name,g_cowner,g_cwd);
663: if (web_log(log_str) == -1 ) {
664: fprintf(stdout,"Unable to log access to the system. Please notify instructor\n.");
665: fflush(stdout);
666: error |= 256;
667: return error;
668: }
669: #ifdef CGI_DBUG
670: fprintf(g_cgi,"NO ACCESS: cannot access() [%s]\n",g_class_fullpath); fflush(g_cgi);
671: #endif /* CGI_DBUG */
672: error |= 512;
673: return (error);
674: }
675: /* ---------------------------------------------------- */
676: /* change working directory to the class */
677: /* ---------------------------------------------------- */
678: chdir(g_class_fullpath); /* before performing any capa*() calls */
679: #ifdef CGI_DBUG
680: fprintf(g_cgi,"DONE cd to [%s]\n",g_class_fullpath); fflush(g_cgi);
681: #endif /* CGI_DBUG */
682:
683: /* Now in proper directory, can log submissions */
684: if ( g_run_mode == M_CHECKANS) {
685: if (w_log_submissions(g_student_number,g_set,submissions_str) == -1 ) {
686: fprintf(stdout,"Unable to log submissions. Please notify instructor\n.");
687: fprintf(stdout,"No tries have been deducted for the last submission.\n");
688: error |= 1024;
689: return error;
690: }
691: }
692:
693: result=read_capa_config("capaweb_cgibin_path",buf);
694: if (result != 0 && result != -1) {
695: g_cgibin_path=capa_malloc(strlen(buf)+1,1);
696: strcpy(g_cgibin_path,buf);
697: } else {
698: g_cgibin_path=capa_malloc(strlen("capa-bin")+1,1);
699: strcpy(g_cgibin_path,"capa-bin");
700: }
701:
702: if( g_entered_pin != 0 ) {
703: g_login_set = capa_PIN(g_student_number,999,g_entered_pin);
704: #ifdef CGI_DBUG
705: fprintf(g_cgi,"Succeed in login to set %d with pin %d\n",g_login_set,g_entered_pin); fflush(g_cgi);
706: #endif /* CGI_DBUG */
707: /* ----------------------------------------------------
708: printf("Your entered capa id %d, login to set %d\n", g_entered_pin, g_login_set);
709: printf("The real capa id for %s is %d\n",g_student_number,capa_PIN(g_student_number,1,0));
710: ---------------------------------------------------- */
711:
712: } else {
713: fprintf(stdout,"CAPA ID entered was zero, this is not valid.\n");
714: fprintf(stdout,"No tries have been deducted for the last submission.\n");
715: fflush(stdout);
716: error |= 2048; return (error);
717: }
718:
719: if (!g_login_set) {
720: fprintf(stdout,"The student ID (%s) or CAPA ID (%d) that you entered \
721: is not listed for the class (%s) that you have selected. Please check that \
722: you have selected the correct class on the CAPA logon page and that the \
723: student ID and CAPA ID are correct.\n",
724: g_student_number, g_entered_pin, g_class_name);
725: fflush(stdout);
726: #ifdef CGI_DBUG
727: fprintf(g_cgi,"CAPA ID or student number is not valid.\n");
728: fflush(g_cgi);
729: #endif /* CGI_DBUG */
730: error |= 4096; return (error);
731: } else {
732: if ( g_login_set > 99 ) {
733: fprintf(stdout,"The student ID (%s) or CAPA ID (%d) that you entered \
734: is not listed for the class (%s) that you have selected. Please check that \
735: you have selected the correct class on the CAPA logon page and that the \
736: student ID and CAPA ID are correct.\n",
737: g_student_number, g_entered_pin, g_class_name);
738: fflush(stdout);
739: #ifdef CGI_DBUG
740: fprintf(g_cgi,"CAPA ID is not valid.\n"); fflush(g_cgi);
741: #endif /* CGI_DBUG */
742: error |= 8192; return (error);
743: }
744: if(g_login_set < g_vset ) {
745: fprintf(stdout,"Your CAPA ID (for set %d) does not allow you to view set %d.\n",g_login_set, g_vset);
746: fflush(stdout);
747: #ifdef CGI_DBUG
748: fprintf(g_cgi,"Login set %d is less than view set %d.\n",g_login_set,g_vset); fflush(g_cgi);
749: #endif /* CGI_DBUG */
750: error |= 16384; return (error);
751: }
752: chdir(g_class_fullpath); /* again, to make sure */
753:
754: if ( capa_get_student(g_student_number,&g_student_data) == 0 ) {
755: fprintf(stdout,"Entered student id is not in the class list.\n");
756: fprintf(stdout,"Please check that have selected the correct class \
757: and have entered you student id correctly.\n");
758: fflush(stdout);
759: #ifdef CGI_DBUG
760: fprintf(g_cgi,"get_student(): Student id not in the classl file.\n"); fflush(g_cgi);
761: #endif /* CGI_DBUG */
762: error |= 32768; return (error);
763: } else {
764: time(&curtime);
765: if (capa_get_header(&header, g_login_set)) {
766: fprintf(stdout,"This problem set is not ready yet.\n");
767: fflush(stdout);
768:
769: #ifdef CGI_DBUG
770: fprintf(g_cgi,"get_header(): Problem set not ready.\n"); fflush(g_cgi);
771: #endif /* CGI_DBUG */
772: error |= 65536; return (error);
773: }
774: capa_mfree(header.weight);
775: capa_mfree(header.partial_credit);
776: /* ===> if (compare_datetime(curtime,header.open_date) < 0 ) { */
777: if( capa_check_date(CHECK_OPEN_DATE,g_student_number,
778: g_student_data.s_sec,g_login_set) < 0 ) {
779: fprintf(stdout,"This set(%d) is not yet open. Please try back later.\n",g_login_set);
780: fflush(stdout);
781: #ifdef CGI_DBUG
782: fprintf(g_cgi,"check_date(): Problem set not open.\n");
783: fflush(g_cgi);
784: #endif /* CGI_DBUG */
785: error |= 131072; return (error);
786: }
787: }
788: }
789: return (error);
790: }
791:
792: /* ============================================================================= */
793: void append_qtext(new_str) char *new_str;
794: {
795: int ii,len;
796: if (new_str==NULL) return;
797: len=strlen(new_str);
798: #ifdef CGI_DBUG
799: fprintf(g_cgi,"before: len %d; g_qchar_cnt %d; g_qsize %d\n",
800: len,g_qchar_cnt,g_qsize);
801: fflush(g_cgi);
802: #endif /* CGI_DBUG */
803: if (g_qchar_cnt+len>g_qsize-1) {
804: char *temp_text;
805: g_qsize=(g_qchar_cnt+len)*2;
806: temp_text=capa_malloc(g_qsize,sizeof(char));
807: strncpy(temp_text,g_question_txt,g_qchar_cnt);
808: capa_mfree(g_question_txt);
809: g_question_txt=temp_text;
810: }
811: for(ii=0;ii<len;ii++) {
812: g_question_txt[g_qchar_cnt+ii]=new_str[ii];
813: }
814: g_qchar_cnt += len;
815: g_question_txt[g_qchar_cnt+1]='\0';
816: #ifdef CGI_DBUG
817: fprintf(g_cgi,"after: len %d; g_qchar_cnt %d; g_qsize %d\n",len,g_qchar_cnt,g_qsize);
818: fflush(g_cgi);
819: #endif /* CGI_DBUG */
820: }
821: void append_stext(new_str) char *new_str;
822: {
823: int ii,len;
824: if (new_str==NULL) return;
825: len=strlen(new_str);
826: #ifdef CGI_DBUG
827: fprintf(g_cgi,"appending status{%s}\nlen %d; g_schar_cnt %d; g_ssize %d\n",
828: new_str,len,g_schar_cnt,g_ssize);
829: fflush(g_cgi);
830: #endif /* CGI_DBUG */
831: if (g_schar_cnt+len>g_ssize-1) {
832: char *temp_text;
833: g_ssize=(g_schar_cnt+len)*2;
834: temp_text=capa_malloc(g_ssize,sizeof(char));
835: strncpy(temp_text,g_status_txt,g_schar_cnt);
836: capa_mfree(g_status_txt);
837: g_status_txt=temp_text;
838: }
839: for(ii=0;ii<len;ii++) {
840: g_status_txt[g_schar_cnt+ii]=new_str[ii];
841: }
842: g_schar_cnt += len;
843: g_status_txt[g_schar_cnt+1]='\0';
844: #ifdef CGI_DBUG
845: fprintf(g_cgi,"len %d; g_schar_cnt %d; g_ssize %d\n",len,g_schar_cnt,g_ssize);
846: fflush(g_cgi);
847: #endif /* CGI_DBUG */
848: }
849: /* ============================================================================= */
850: /* ------------------------------------------------------------
851: printf("ENV<br>\n");
852: printf("SERVER_PROTOCOL:%s<br>",getenv("SERVER_PROTOCOL"));
853: printf("PATH_INFO:%s<br>",getenv("PATH_INFO"));
854: printf("PATH_TRANSLATED:%s<br>\n",getenv("PATH_TRANSLATED"));
855: printf("SCRIPT_NAME:%s<br>\n",getenv("SCRIPT_NAME"));
856: printf("QUERY_STRING:%s<br>\n",getenv("QUERY_STRING"));
857: printf("REMOTE_HOST:%s<br>\n",getenv("REMOTE_HOST"));
858: printf("REMOTE_USER:%s<br>\n",getenv("REMOTE_USER"));
859: printf("REMOTE_IDENT:%s<br>\n",getenv("REMOTE_IDENT"));
860: printf("USER_AGENT:%s<br>\n",getenv("USER_AGENT"));
861: printf("HTTP_USER_AGENT:%s<br>\n",getenv("HTTP_USER_AGENT"));
862: ------------------------------------------------------------
863: */
864:
865: /* ------------------------------------------------------ */
866: /* A class directory must have */
867: /* records/ */
868: /* */
869: /* returns: 0 structure is correct, but no set.db files */
870: /* -1 structure is not correct */
871: /* >=1 the last set.db */
872:
873: int
874: check_class_get_maxset(dir_path) char *dir_path;
875: {
876: char f_name[1024];
877: int set;
878:
879: if( capa_access(dir_path, F_OK) == 0 ) { /* class dir exists */
880: sprintf(f_name,"%s/records",dir_path);
881: if( capa_access(f_name, F_OK) == 0 ) { /* class/records dir exists */
882: for(set = 1; ; set++ ) {
883: sprintf(f_name,"%s/records/set%d.db",dir_path,set);
884: if(capa_access(f_name, F_OK) == -1 ) break;
885: }
886: set--;
887: } else {
888: set = -1;
889: }
890: } else {
891: set = -1;
892: }
893: return (set);
894: }
895:
896: /* ------------------------------------------------------------------------- */
897: /* Get Exam and Quiz Path */
898: /* return 0, 1, 2, 3 */
899: /* 0: Neither exist */
900: /* 1: Exam.path exists */
901: /* 2: Quiz.path exists */
902: /* 3: Both Exam.path and Quiz.path exists */
903: /* ------------------------------------------------------------------------- */
904: int
905: check_exam_quiz_path()
906: {
907: char buf[MAX_BUFFER_SIZE];
908: int result = 0, configResult=0;
909:
910: configResult=read_capa_config("exam_path",buf);
911: if (configResult != 0 && configResult != -1) {
912: g_exam_set = check_class_get_maxset(buf);
913: if(g_exam_set > 0 ) {
914: result = 1;
915: sprintf(g_exam_path,buf);
916: }
917: }
918: configResult=read_capa_config("quiz_path",buf);
919: if (configResult != 0 && configResult != -1) {
920: g_quiz_set = check_class_get_maxset(buf);
921: if(g_quiz_set > 0 ) {
922: result = (result | 2);
923: sprintf(g_quiz_path,buf);
924: }
925: }
926: return (result);
927: }
928:
929:
930: int
931: check_termscore_option()
932: {
933: char buf[MAX_BUFFER_SIZE];
934: int result = 0, configResult=0;
935:
936: configResult=read_capa_config("term_score_applet",buf);
937: if (configResult != 0 && configResult != -1) {
938: fprintf(stdout,"<!-- term_score_applet is in capa.config file -->\n");
939: if (strcasecmp(buf,"yes")==0) {
940: fprintf(stdout,"<!-- term_score_applet is YES -->\n");
941: result=1;
942: }
943: }
944: return (result);
945: }
946:
947:
948:
949:
950: /* ============================================================================= */
951: void
952: print_mainmenu(class,sn,pin)char *class; char *sn;int pin;
953: {
954: char buf[MAX_BUFFER_SIZE];
955: int outcome,configResult,term_summary_button=1;
956: char *serverName;
957:
958: serverName=getenv("SERVER_NAME");
959: if (!serverName) {
960: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
961: fprintf(stdout,"Unable to complete actions.\n");
962: return;
963: }
964:
965: fprintf(stdout,"<TITLE>%s main menu</TITLE>\n",g_class_name);
966: fprintf(stdout,"<h3>%s</h3><br>\n",g_student_name);
967: fprintf(stdout,"<menu>\n");
968: fprintf(stdout,"<li><form method=\"get\" action=\"http://%s/CAPA/help.html\">",serverName);
969: fprintf(stdout,"<input type=\"submit\" value=\"Help\" ></form>\n");
970:
971: fprintf(stdout,"<li><form method=\"post\" ");
972: /* fprintf(stdout," target=\"right_frame\" "); */
973: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
974: fprintf(stdout,"%s\n", buf);
975: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
976: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
977: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
978: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
979: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",1);
980: fprintf(stdout,"<input type=\"submit\" value=\"Try current set\" ></form>\n");
981:
982: fprintf(stdout,"<li><form method=\"post\" ");
983: /* fprintf(stdout," target=\"right_frame\" "); */
984: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
985: fprintf(stdout,"%s\n", buf);
986: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
987: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
988: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
989: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
990: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",1);
991: fprintf(stdout,"<input type=\"submit\" value=\"View previous set:\" >");
992: fprintf(stdout,"<b> set:</b><input name=\"VSET\" value=\"\" size=4></form>\n");
993:
994: /*Term Summary*/
995: configResult=read_capa_config("term_summary_button",buf);
996: if (configResult != 0 && configResult != -1 ) {
997: if (strcasecmp(buf,"no")==0) {
998: term_summary_button=0;
999: }
1000: }
1001: if (term_summary_button) {
1002: fprintf(stdout,"<li><form method=\"post\" ");
1003: /* fprintf(stdout," target=\"right_frame\" "); */
1004: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1005: fprintf(stdout,"%s\n", buf);
1006: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1007: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1008: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1009: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWSUMM);
1010: fprintf(stdout,"<input type=\"submit\" value=\"Display term summary\" ></form>\n");
1011: }
1012:
1013: outcome = check_exam_quiz_path();
1014: if( outcome & 1 ) { /* exam summary */
1015: fprintf(stdout,"<li><form method=\"post\" ");
1016: /* fprintf(stdout," target=\"right_frame\" "); */
1017: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1018: fprintf(stdout,"%s\n", buf);
1019: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1020: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1021: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1022: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_EXAMSUMM);
1023: fprintf(stdout,"<input type=\"submit\" value=\"Display Exam summary\" ></form>\n");
1024: }
1025: if( outcome & 2 ) { /* Quiz summary */
1026: fprintf(stdout,"<li><form method=\"post\" ");
1027: /* fprintf(stdout," target=\"right_frame\" "); */
1028: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1029: fprintf(stdout,"%s\n", buf);
1030: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1031: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1032: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1033: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\" >\n",M_QUIZSUMM );
1034: fprintf(stdout,"<input type=\"submit\" value=\"Display Quiz summary\" ></form>\n");
1035: }
1036: outcome = check_termscore_option();
1037: fprintf(stdout,"<!-- Outcome of check_termscore_option()=%d -->\n",outcome);
1038: /*Termscore Button*/
1039: if( outcome ) {
1040: fprintf(stdout,"<li><form method=\"post\" ");
1041: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1042: fprintf(stdout,"%s\n", buf);
1043: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1044: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1045: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1046: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\" >\n",M_TERMSCORE );
1047: fprintf(stdout,"<input type=\"submit\" value=\"Extrapolate Term score\" ></form>\n");
1048: }
1049: /*Exit Button*/
1050: fprintf(stdout,"<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
1051: fprintf(stdout,"<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
1052:
1053: fprintf(stdout,"</menu>\n"); fflush(stdout);
1054:
1055: }
1056:
1057: /* ====================================================================================== */
1058: void
1059: print_page_header(mode,num_quest) int mode;int num_quest;
1060: {
1061: char buf[MAX_BUFFER_SIZE], discussdir[MAX_BUFFER_SIZE];
1062: char *serverName;
1063: int configResult,term_summary_button=1;
1064:
1065: serverName=getenv("SERVER_NAME");
1066: if (!serverName) {
1067: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
1068: fprintf(stdout,"Unable to complete actions.\n");
1069: return;
1070: }
1071:
1072: /* now done in the .qz file
1073: fprintf(stdout,"<TITLE>%s set%d</TITLE>",g_class_name,g_login_set);
1074: if( mode == VIEW_PREVIOUS_MODE ) {
1075: fprintf(stdout,"<H2>%s set%d</H2>\n",g_class_name,g_vset);
1076: } else {
1077: fprintf(stdout,"<H2>%s set%d</H2>\n",g_class_name,g_login_set);
1078: }
1079: fprintf(stdout,"<H3>%s</H3>\n",g_student_data.s_nm);
1080: */
1081:
1082: fprintf(stdout,"<A NAME=\"TOP\"></A>");
1083: fprintf(stdout,"<TABLE cellpadding=0 cellspacing=0 border=0>\n<TR><TD>");
1084:
1085:
1086: /*Term summary button*/
1087: configResult=read_capa_config("term_summary_button",buf);
1088: if (configResult != 0 && configResult != -1 ) {
1089: if (strcasecmp(buf,"no")==0) {
1090: term_summary_button=0;
1091: }
1092: }
1093: #ifdef CGI_DBUG
1094: fprintf(g_cgi,"buf: %s\ntermsum: %d\n",buf,term_summary_button); fflush(g_cgi);
1095: #endif /* CGI_DBUG */
1096:
1097: if (term_summary_button) {
1098: fprintf(stdout,"<form method=\"post\" ");
1099: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1100: fprintf(stdout,"%s\n", buf);
1101: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1102: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1103: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1104: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWSUMM);
1105: fprintf(stdout,"<input type=\"submit\" value=\"Term summary\" ></form></TD>\n");
1106: }
1107:
1108: /*Exit Button*/
1109: fprintf(stdout,"<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
1110: fprintf(stdout,"<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
1111: /*help button*/
1112: if (mode != VIEW_PREVIOUS_MODE) {
1113: fprintf(stdout,"<TD><form method=\"get\" action=\"http://%s/CAPA/help.html\">",serverName);
1114: fprintf(stdout,"<input type=\"submit\" value=\"Help\"></form></TD>");
1115: }
1116:
1117: /*Reload button*/
1118: fprintf(stdout,"<TD><form method=\"post\" ");
1119: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1120: fprintf(stdout,"%s\n", buf);
1121: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1122: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1123: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1124: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question);
1125: if (mode == VIEW_PREVIOUS_MODE ) {
1126: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1127: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1128: } else {
1129: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1130: }
1131: fprintf(stdout,"<input type=\"submit\" value=\"Reload\" >\n</form></TD>");
1132: #ifdef NOT_DEFINED
1133: /* Next Button */
1134: if ( (!(g_num_questions_per_page==ALL_QUESTIONS)) &&
1135: ((g_num_questions_per_page+g_start_question)<num_quest)) {
1136: fprintf(stdout,"<TD><form method=\"post\" ");
1137: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1138: fprintf(stdout,"%s\n", buf);
1139: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1140: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1141: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1142: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question+g_num_questions_per_page);
1143: if (mode == VIEW_PREVIOUS_MODE ) {
1144: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1145: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1146: } else {
1147: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1148: }
1149: fprintf(stdout,"<input type=\"submit\" value=\"Next Page\" >\n</form></TD>");
1150: }
1151:
1152: /* Previous Button */
1153: if ( (!(g_num_questions_per_page==ALL_QUESTIONS)) && (g_start_question > 1)) {
1154: fprintf(stdout,"<TD><form method=\"post\" ");
1155: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1156: fprintf(stdout,"%s\n", buf);
1157: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1158: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1159: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1160: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question-g_num_questions_per_page);
1161: if (mode == VIEW_PREVIOUS_MODE ) {
1162: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1163: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1164: } else {
1165: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1166: }
1167: fprintf(stdout,"<input type=\"submit\" value=\"Previous Page\" >\n</form></TD>");
1168: }
1169: #endif
1170: /* Goto Button */
1171: if (!(g_num_questions_per_page==ALL_QUESTIONS)) {
1172: int idx,numquest;
1173: T_header header;
1174: fprintf(stdout,"<TD><form method=\"post\" ");
1175: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1176: fprintf(stdout,"%s\n", buf);
1177: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1178: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1179: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1180: fprintf(stdout,"<input type=\"submit\" value=\"Goto\" >");
1181: fprintf(stdout,"<b>Problem:</b><input name=\"STARTNUM\" value=\"\" size=4>\n");
1182: if (mode == VIEW_PREVIOUS_MODE ) {
1183: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1184: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1185: } else {
1186: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1187: }
1188:
1189: if (!capa_get_header(&header, g_login_set)) {
1190: numquest=atoi(header.num_questions);
1191: capa_mfree(header.weight);
1192: capa_mfree(header.partial_credit);
1193: for(idx=0;idx<numquest;idx++) {
1194: preserve_last_answer(idx,1);
1195: }
1196: }
1197: fprintf(stdout,"</form></TD>");
1198: }
1199:
1200: /*Discuss Button*/
1201:
1202: sprintf(discussdir,"%s/discussion/%d",g_class_fullpath,g_login_set);
1203: if ( access(discussdir,F_OK) == 0 ) {
1204: fprintf(stdout,"<TD><form method=\"post\" ");
1205: sprintf(buf,"action=\"http://%s/%s/%s/capadiscuss\">",serverName,g_cgibin_path,g_cowner);
1206: fprintf(stdout,"%s\n", buf);
1207: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1208: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1209: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1210: fprintf(stdout,"<input type=\"hidden\" name=\"SETID\" value=\"%d\">\n",g_login_set);
1211: fprintf(stdout,"<input type=\"submit\" value=\"Discuss\" >\n</form></TD>");
1212: }
1213:
1214: fprintf(stdout,"\n</TR></TABLE>\n");
1215: fflush(stdout);
1216: }
1217:
1218: void create_status_line(int mode,int question_cnt, T_entry* entry)
1219: {
1220: char buf[MAX_BUFFER_SIZE];
1221: int idx,configResult,status_line_length;
1222:
1223: configResult=read_capa_config("web_status_line_length",buf);
1224: if (configResult != 0 && configResult != -1 ) {
1225: if (sscanf(buf,"%d",&status_line_length)==0) {
1226: status_line_length=question_cnt;
1227: }
1228: } else {
1229: status_line_length=question_cnt;
1230: }
1231:
1232: append_stext("<TABLE cellpadding=0 cellspacing=0 border=0><TR>");
1233: append_stext("<TD><b><u>Go to problem</u> </b></TD><TD></TD>");
1234: for(idx=0; idx < status_line_length;idx++ ) {
1235: sprintf(buf,"<TD ALIGN=center VALIGN=bottom>[%d]</TD>",idx+1);
1236: append_stext(buf);
1237: }
1238: for(idx = 0; idx < question_cnt; idx++ ) {
1239: if ( !(idx%status_line_length) ) {
1240: sprintf(buf,"</TR><TR><TD ALIGN=left>%d-%d</TD><TD ALIGN=right>Status: </TD>",
1241: idx+1,idx+status_line_length);
1242: append_stext(buf);
1243: }
1244: if ((idx >= g_start_question-1) &&
1245: (((g_num_questions_per_page == ALL_QUESTIONS)) ||
1246: (idx < (g_start_question+g_num_questions_per_page-1)))) {
1247: sprintf(buf,"<TD ALIGN=center VALIGN=bottom><A href=\"#P%d\">",idx+1);
1248: } else {
1249: sprintf(buf,"<TD ALIGN=center VALIGN=bottom>");
1250: }
1251: append_stext(buf);
1252: if ( (mode == CHECK_ANSWER_MODE) && g_log_string[idx] == '-') {
1253: if (g_inhibit_response && (entry->answers[idx]!='-')) {
1254: sprintf(buf,"A");
1255: } else {
1256: sprintf(buf,"%c",entry->answers[idx]);
1257: }
1258: } else {
1259: if (g_inhibit_response && (entry->answers[idx]!='-')) {
1260: sprintf(buf,"<b>A</b>");
1261: } else {
1262: if ( mode == CHECK_ANSWER_MODE ) {
1263: sprintf(buf,"<b>%c</b>",g_log_string[idx]);
1264: } else {
1265: sprintf(buf,"<b>%c</b>",entry->answers[idx]);
1266: }
1267: }
1268: }
1269: append_stext(buf);
1270: if ((idx >= g_start_question-1) &&
1271: (((g_num_questions_per_page == ALL_QUESTIONS)) ||
1272: (idx < (g_start_question+g_num_questions_per_page-1)))) {
1273: sprintf(buf,"</A></TD>");
1274: } else {
1275: sprintf(buf,"</TD>");
1276: }
1277: append_stext(buf);
1278: }
1279: append_stext("</TR></TABLE>\n");
1280: }
1281:
1282: /* -------------------------------- called by try set, view previous, check answer */
1283: void
1284: print_quizz(class_dir,c_owner,class,sn,pin,set,mode)
1285: char *class_dir; char *c_owner;char *class;char *sn;int pin;int set;int mode;
1286: {
1287: extern int Parsemode_f;
1288: extern char *StartText_p;
1289: extern char *EndText_p;
1290: Problem_t *first_prob, *prob_idx;
1291: int result, question_idx, question_cnt, idx, view_assignment_after_due=1;
1292: int q_leng, display_ans=1, configResult;
1293: int view_assignments_after_due=1;
1294: char buf[MAX_BUFFER_SIZE];
1295: char class_fullpath[FILE_NAME_LENGTH];
1296: T_entry entry;
1297: T_header header;
1298: long offset;
1299: double a;
1300: char cmp_ans[MAX_BUFFER_SIZE],date_str[DATE_BUFFER];
1301: time_t curtime;
1302: char *serverName;
1303:
1304: serverName=getenv("SERVER_NAME");
1305: if (!serverName) {
1306: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
1307: fprintf(stdout,"Unable to complete actions.\n");
1308: return;
1309: }
1310:
1311: sprintf(class_fullpath,"%s/%s",class_dir,class);
1312:
1313: /*
1314: chdir(class_fullpath);
1315: */
1316: #ifdef CGI_DBUG
1317: fprintf(g_cgi,"enter print_quizz() %s, mode:%d\n",class_fullpath,mode); fflush(g_cgi);
1318: #endif /* CGI_DBUG */
1319:
1320: /* get configuration options */
1321: configResult=read_capa_config("num_questions_per_page",buf);
1322: if (configResult != 0 && configResult != -1 ) {
1323: if (sscanf(buf,"%d",&g_num_questions_per_page)==0) {
1324: g_num_questions_per_page=ALL_QUESTIONS;
1325: }
1326: } else {
1327: g_num_questions_per_page=ALL_QUESTIONS;
1328: }
1329:
1330: view_assignments_after_due=capa_check_option(OPTION_VIEW_PROBLEMS_AFTER_DUE,
1331: set,g_student_data.s_sec);
1332: if (view_assignments_after_due < 0 ) view_assignments_after_due=1;
1333: g_inhibit_response=capa_check_option(OPTION_INHIBIT_RESPONSE,set,g_student_data.s_sec);
1334: if (g_inhibit_response < 0 ) g_inhibit_response=0;
1335:
1336: #ifdef CGI_DBUG
1337: fprintf(g_cgi,"Set %d, Section%d, ViewAssign? %d, Inhibit Resp? %d\n",set,
1338: g_student_data.s_sec,view_assignments_after_due,
1339: g_inhibit_response);
1340: fflush(g_cgi);
1341: #endif /* CGI_DBUG */
1342:
1343: time(&curtime);
1344: offset=capa_get_entry(&entry,sn,set); /* <-------- capa*() call ---- */
1345: if( mode == VIEW_PREVIOUS_MODE ) {
1346: if( view_assignment_after_due ) {
1347: if( capa_check_date(CHECK_OPEN_DATE,g_student_number,
1348: g_student_data.s_sec,set) < 0 ) {
1349: append_qtext("This set is not yet open.\n");
1350: return ;
1351: }
1352: } else {
1353: if( (capa_check_date(CHECK_ANS_DATE,g_student_number,
1354: g_student_data.s_sec,set) < 0) &&
1355: (capa_check_date(CHECK_DUE_DATE,g_student_number,
1356: g_student_data.s_sec,set) > 0) ) {
1357: append_qtext("This set is not yet available to be viewed.\n");
1358: return ;
1359: }
1360: }
1361: if( capa_check_date(CHECK_ANS_DATE,g_student_number,
1362: g_student_data.s_sec,set) < 0 ) {
1363: display_ans = 0;
1364: }
1365: }
1366: g_passdue = 0;
1367: if( mode == CHECK_ANSWER_MODE ||
1368: ( (!view_assignment_after_due) && mode == TRY_SET_MODE)) {
1369: if( capa_check_date(CHECK_DUE_DATE,g_student_number,
1370: g_student_data.s_sec,set) > 0 ) {
1371: capa_get_date(CHECK_DUE_DATE,g_student_number,
1372: g_student_data.s_sec,set,date_str);
1373: sprintf(buf,"SORRY, the due date was: %s\n",date_str);
1374: append_qtext(buf);
1375: g_passdue = 1;
1376: }
1377: }
1378:
1379: if ((mode==CHECK_ANSWER_MODE) || (mode== TRY_SET_MODE))
1380: capa_set_login_time(g_student_number,set);
1381:
1382: capa_get_header(&header,set);
1383:
1384: sscanf(header.num_questions,"%d",&question_cnt);
1385: print_page_header(mode,question_cnt);
1386:
1387: #ifdef CGI_DBUG
1388: fprintf(g_cgi,"DONE page header\n"); fflush(g_cgi);
1389: #endif /* CGI_DBUG */
1390:
1391: if(offset < 0 ) offset = - offset;
1392:
1393: Parsemode_f = HTML_MODE; /* WEB_MODE */
1394: result = capa_parse(set, &first_prob, sn, &question_cnt,NULL); /* <-- capa*() call */
1395:
1396: #ifdef CGI_DBUG
1397: fprintf(g_cgi,"DONE capa_parse() [%d], pass due=%d\n",result,g_passdue); fflush(g_cgi);
1398: #endif /* CGI_DBUG */
1399:
1400: if (StartText_p) printf(StartText_p);
1401:
1402: #ifdef CGI_DBUG
1403: fprintf(g_cgi,"DONE Start Text\n"); fflush(g_cgi);
1404: #endif /* CGI_DBUG */
1405:
1406: if ( result != 0 ) {
1407: if( !g_passdue ) {
1408: append_qtext("<FORM method=\"post\" ");
1409: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,
1410: g_cgibin_path,c_owner);
1411: append_qtext(buf);
1412: sprintf(buf,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class); append_qtext(buf);
1413: sprintf(buf,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn); append_qtext(buf);
1414: sprintf(buf,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin); append_qtext(buf);
1415: sprintf(buf,"<input type=\"hidden\" name=\"SET\" value=\"%d\">\n",set); append_qtext(buf);
1416: sprintf(buf,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_CHECKANS); append_qtext(buf);
1417: sprintf(buf,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question); append_qtext(buf);
1418: append_qtext("\n<OL>\n");
1419: }
1420:
1421: for(idx=0;idx<question_cnt;idx++) { /* prepare log string and new database entry */
1422: g_new_answerdb[idx] = entry.answers[idx];
1423: g_log_string[idx] = '-';
1424: sscanf(entry.tries + 3*idx,"%d,",&(g_tried[idx]) );
1425: }
1426: g_new_answerdb[question_cnt]=0; g_log_string[question_cnt]=0;
1427: prob_idx = first_prob;
1428: for( question_idx = 0; question_idx < question_cnt;
1429: question_idx++,prob_idx = prob_idx->next ) {
1430: #ifdef CGI_DBUG
1431: fprintf(g_cgi,"quetion_idx: %d, g_start_question:%d, g_num_que: %d\n",
1432: question_idx,g_start_question,g_num_questions_per_page); fflush(g_cgi);
1433: #endif /* CGI_DBUG */
1434: if ((question_idx < g_start_question-1)
1435: ||
1436: (((!(g_num_questions_per_page == ALL_QUESTIONS))
1437: &&
1438: (question_idx >= (g_start_question+g_num_questions_per_page-1))))) {
1439: preserve_last_answer(question_idx,0);
1440: continue;
1441: }
1442: if( !g_passdue ) {
1443: sprintf(buf,"<A NAME=\"P%d\"></A>",question_idx+1); append_qtext(buf);
1444: /* if (!((question_idx == (g_start_question-1)) || (question_idx == 0))) {
1445: append_qtext("<A href=\"#TOP\">Top</A>");
1446: sprintf(buf," <A href=\"#P%d\">Next</A>",question_idx+2); append_qtext(buf);
1447: }*/
1448: if (prob_idx->question != NULL) {
1449: q_leng = strlen(prob_idx->question);
1450: if ( !prob_idx->show_br ) {
1451: append_qtext(prob_idx->question);
1452: } else {
1453: for(idx=0;idx<q_leng;idx++) {
1454: if ( g_qchar_cnt+2 >= g_qsize ) {
1455: char *temp_text;
1456: g_qsize=g_qchar_cnt*2;
1457: temp_text=capa_malloc(g_qsize,sizeof(char));
1458: strncpy(temp_text,g_question_txt,g_qsize);
1459: capa_mfree(g_question_txt);
1460: g_question_txt=temp_text;
1461: }
1462: g_question_txt[g_qchar_cnt]=prob_idx->question[idx];
1463: g_qchar_cnt++;
1464: if(prob_idx->question[idx] == '\n' ) {
1465: append_qtext("<br>\n");
1466: }
1467: }
1468: }
1469: }
1470: }
1471: if(mode == VIEW_PREVIOUS_MODE) { /* VIEW_PREVIOUS_MODE */
1472: if( display_ans ) {
1473: if( prob_idx->ans_type == ANSWER_IS_FLOAT ) {
1474: a = (double)atof(prob_idx->answer);
1475: sprintf(cmp_ans,prob_idx->ans_fmt, a);
1476: } else {
1477: strcpy(cmp_ans,prob_idx->answer);
1478: }
1479: if( prob_idx->ans_unit ) {
1480: sprintf(buf,"<p><tt><b>Answer:</b> %s %s</tt><br>\n",cmp_ans, prob_idx->unit_str);
1481: } else {
1482: sprintf(buf,"<p><tt><b>Answer:</b> %s</tt><br>\n",cmp_ans);
1483: }
1484: append_qtext(buf);
1485: if ( prob_idx->explain) {
1486: sprintf(buf,"<p><b>Explanation: </b>\n<p>%s<br>\n",prob_idx->explain);
1487: append_qtext(buf);
1488: }
1489: }
1490: } else { /* could be TRY_SET_MODE, CHECK_ANSWER_MODE */
1491:
1492: if( g_passdue ) {
1493: get_response(header.partial_credit[question_idx],entry.answers[question_idx],question_idx,prob_idx);
1494: }else{
1495: if (g_inhibit_response) {
1496: print_inhibited_response(header.partial_credit[question_idx],entry.answers[question_idx],question_idx,prob_idx);
1497: } else {
1498: print_response(header.partial_credit[question_idx],entry.answers[question_idx],question_idx,prob_idx);
1499: }
1500: append_qtext("<br>\n");
1501: if( (g_tried[question_idx] >= prob_idx->show_hint) ||
1502: (entry.answers[question_idx]=='Y') ||
1503: (entry.answers[question_idx]=='y')) {
1504: if( prob_idx->hint ) {
1505: sprintf(buf,"<p><B>Hint: </B>%s\n<br>\n", prob_idx->hint);
1506: append_qtext(buf);
1507: }
1508: }
1509: }
1510: }
1511: } /* ------------------------------------- end displaying each problem */
1512: append_qtext("\n</OL>\n");
1513: if( EndText_p ) append_qtext(EndText_p);
1514: free_problems(first_prob);
1515:
1516: #ifdef CGI_DBUG
1517: fprintf(g_cgi,"End display each problem\n"); fflush(g_cgi);
1518: #endif /* CGI_DBUG */
1519:
1520: if( mode == CHECK_ANSWER_MODE ) { /* update the record database */
1521: if( !g_passdue ) {
1522: for(idx=0;idx<question_cnt;idx++){
1523: if( g_new_answerdb[idx] != entry.answers[idx]) {
1524: entry.answers[idx] = g_new_answerdb[idx];
1525: }
1526: if(g_tried[idx] < 10 ) {
1527: entry.tries[3*idx] = ' ';
1528: entry.tries[3*idx+1] = g_tried[idx] + '0';
1529: if(idx < question_cnt-1) entry.tries[3*idx+2] = ',';
1530: } else {
1531: entry.tries[3*idx] = (int)(g_tried[idx]/10) + '0';
1532: entry.tries[3*idx+1] = (g_tried[idx] % 10) + '0';
1533: if(idx < question_cnt-1) entry.tries[3*idx+2] = ',';
1534: }
1535: }
1536: capa_set_entry(&entry,sn,set,offset); /* <-------- capa*() call */
1537:
1538: #ifdef CGI_DBUG
1539: fprintf(g_cgi,"DONE set db entry\n"); fflush(g_cgi);
1540: #endif /* CGI_DBUG */
1541:
1542: create_status_line(mode,question_cnt,&entry);
1543: }
1544: if (w_log_attempt(g_student_number,set,g_log_string) == -1 ) {
1545: fprintf(stdout,"<BOLD>Unable to log attempt. Please notify instructor.</BOLD>\n");
1546: }
1547: }
1548: #ifdef CGI_DBUG
1549: fprintf(g_cgi,"DONE check answer mode\n"); fflush(g_cgi);
1550: #endif /* CGI_DBUG */
1551:
1552: if( (mode == TRY_SET_MODE && !g_passdue) ||
1553: mode == VIEW_PREVIOUS_MODE) {
1554: create_status_line(mode,question_cnt,&entry);
1555: }
1556:
1557: if( !g_passdue ) {
1558: sprintf(buf,"</ul></form>\n"); append_qtext(buf);
1559: }
1560: }
1561: }
1562:
1563: void
1564: get_response(char pcr,char u_db,int q_idx,Problem_t *p)
1565: {
1566: if( pcr == '0' || p->ans_type==ANSWER_IS_SUBJECTIVE ) { /* not hand-graded question */
1567: switch(u_db) { /* what's from the user record */
1568: case 'Y': break;
1569: case 'y': break;
1570: case '-':
1571: if(g_stu_ans_pp[q_idx+1] != NULL ) log_user_ans(q_idx,p);
1572: break;
1573: case 'E':
1574: case 'e': break;
1575: case 'n': break;
1576: case 'N':
1577: case '0': case '1': case '2': case '3': case '4':
1578: case '5': case '6': case '7': case '8': case '9':
1579: if(g_stu_ans_pp[q_idx+1] != NULL ) log_user_ans(q_idx,p);
1580: break;
1581: default:
1582: break;
1583: }
1584: }
1585: }
1586:
1587: void display_last_answer(int q_idx)
1588: {
1589: char buf[MAX_BUFFER_SIZE];
1590: StudentAnswer_t *sa_p;
1591: #ifdef CGI_DBUG
1592: fprintf(g_cgi,"Enter display_last_answer() [%d]\n",q_idx); fflush(g_cgi);
1593: #endif /* CGI_DBUG */
1594: if(g_stu_ans_pp[q_idx+1] != NULL) {
1595: sa_p=g_stu_ans_pp[q_idx+1];
1596: } else {
1597: if (g_last_ans_pp[q_idx+1] != NULL) {
1598: sa_p=g_last_ans_pp[q_idx+1];
1599: } else {
1600: return;
1601: }
1602: }
1603: if (sa_p->a_next == NULL) {
1604: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d\" value=\"%s\">\n",
1605: q_idx+1,sa_p->a_str);
1606: append_qtext(buf);
1607: sprintf(buf," <b>Last Answer:</b> %s\n",sa_p->a_str);
1608: append_qtext(buf);
1609: } else {
1610: while(sa_p) {
1611: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d,%02d\" value=\"%s\">\n",
1612: q_idx+1,sa_p->a_idx,sa_p->a_str);
1613: append_qtext(buf);
1614: sprintf(buf," <b>Last Answer %d:</b> %s\n",sa_p->a_idx,sa_p->a_str);
1615: append_qtext(buf);
1616: sa_p=sa_p->a_next;
1617: }
1618: }
1619: }
1620:
1621: void preserve_last_answer(int q_idx,int print)
1622: {
1623: char buf[MAX_BUFFER_SIZE];
1624: StudentAnswer_t *sa_p;
1625: #ifdef CGI_DBUG
1626: fprintf(g_cgi,"Enter preserve_last_answer() [%d]\n",q_idx); fflush(g_cgi);
1627: #endif /* CGI_DBUG */
1628: if(g_stu_ans_pp[q_idx+1] != NULL) {
1629: sa_p=g_stu_ans_pp[q_idx+1];
1630: } else {
1631: if (g_last_ans_pp[q_idx+1] != NULL) {
1632: sa_p=g_last_ans_pp[q_idx+1];
1633: } else {
1634: return;
1635: }
1636: }
1637: if (sa_p->a_next == NULL) {
1638: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d\" value=\"%s\">\n",
1639: q_idx+1,sa_p->a_str);
1640: if (print) printf(buf); else append_qtext(buf);
1641: } else {
1642: while(sa_p) {
1643: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d,%02d\" value=\"%s\">\n",
1644: q_idx+1,sa_p->a_idx,sa_p->a_str);
1645: if (print) printf(buf); else append_qtext(buf);
1646: sa_p=sa_p->a_next;
1647: }
1648: }
1649: }
1650:
1651: void display_last_subjective(int q_idx)
1652: {
1653: char *buf;
1654: char *answer;
1655: #ifdef CGI_DBUG
1656: fprintf(g_cgi,"Enter display_last_subjective() [%d]\n",q_idx); fflush(g_cgi);
1657: #endif /* CGI_DBUG */
1658: answer=capa_get_subjective(g_login_set,q_idx+1,g_student_number);
1659: if (answer==NULL) return;
1660: #ifdef CGI_DBUG
1661: fprintf(g_cgi,"Found answer %s\n",answer); fflush(g_cgi);
1662: #endif /* CGI_DBUG */
1663: buf=capa_malloc(MAX_BUFFER_SIZE+strlen(answer),1);
1664: /* don't need to stick in a last since we always get it from the files */
1665: /* sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d\" value=\"%s\">\n",q_idx+1,answer);*/
1666: append_qtext(buf);
1667: append_qtext("<b>Current Submission:</b><br>\n");
1668: append_qtext("<TABLE BORDER=1 CELLSPACING=0>\n<TR><TD>\n");
1669: append_qtext("<PRE>");
1670: append_qtext(answer);
1671: append_qtext("</PRE>");
1672: append_qtext("</TD></TR></TABLE>\n");
1673: capa_mfree(buf);
1674: capa_mfree(answer);
1675: }
1676:
1677: void create_answer_area(Problem_t *p,int q_idx)
1678: {
1679: int ii=0;
1680: char buf[MAX_BUFFER_SIZE];
1681: AnswerInfo_t *ai;
1682: #ifdef CGI_DBUG
1683: fprintf(g_cgi,"Enter create_answer_area() [%d]\n",q_idx); fflush(g_cgi);
1684: #endif /* CGI_DBUG */
1685:
1686: if ( p->ans_type==ANSWER_IS_SUBJECTIVE ) {
1687: display_last_subjective(q_idx);
1688: }
1689: if ( p->show_ans_box ) {
1690: if ( p->ans_op == ANS_AND ) {
1691: if (p->ans_type == ANSWER_IS_FORMULA) {
1692: /* first answer is stored in p, the rest are linked off of p->ans_list */
1693: 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);
1694: } else {
1695: 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);
1696: }
1697: append_qtext(buf);
1698: for(ii=1, ai=p->ans_list;ii<p->ans_cnt;ai=ai->ans_next,ii++) {
1699: if (ai->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: !!!!!AS A SIDEEFFECT IT ALSO CROPS ANSWERS TO ANSWER_STRING_LENG!!!!!!!
1891: */
1892: int gather_answers(char ***ans,int q_idx,Problem_t *p)
1893: {
1894: int cnt;
1895: if(p->ans_op==ANS_AND) {
1896: int i; StudentAnswer_t *sa_p;
1897: *ans=(char**)capa_malloc(p->ans_cnt,1);
1898: sa_p= g_stu_ans_pp[q_idx+1];
1899: for(i=0;((i<p->ans_cnt)&&(sa_p));i++){
1900: ans[0][i]=sa_p->a_str;
1901: if ((strlen(ans[0][i])+1) > ANSWER_STRING_LENG) ans[0][i][ANSWER_STRING_LENG]='\0';
1902: sa_p=sa_p->a_next;
1903: }
1904: cnt=p->ans_cnt;
1905: if (i<p->ans_cnt) return -1;
1906: } else {
1907: *ans=(char**)capa_malloc(p->ans_cnt,1);
1908: ans[0][0]=g_stu_ans_pp[q_idx+1]->a_str;
1909: if ((strlen(ans[0][0])+1) > ANSWER_STRING_LENG) ans[0][0][ANSWER_STRING_LENG]='\0';
1910: cnt=1;
1911: }
1912: return cnt;
1913: }
1914:
1915: void
1916: log_user_ans(int q_idx,Problem_t *p)
1917: {
1918: char **ans;
1919: int cnt;
1920: if (p->ans_type==ANSWER_IS_SUBJECTIVE) {
1921: capa_set_subjective(g_login_set,q_idx+1,g_student_number,
1922: g_stu_ans_pp[q_idx+1]->a_str);
1923: } else {
1924: if (-1 != (cnt=gather_answers(&ans,q_idx,p))) {
1925: switch( capa_check_answers(p,ans,cnt) ) {
1926: case EXACT_ANS: g_log_string[q_idx]='Y'; break;
1927: case APPROX_ANS: g_log_string[q_idx]='Y'; break;
1928: case SIG_FAIL: g_log_string[q_idx]='S'; break;
1929: case UNIT_FAIL: g_log_string[q_idx]='U'; break;
1930: case UNIT_NOTNEEDED: g_log_string[q_idx]='U'; break;
1931: case NO_UNIT: g_log_string[q_idx]='u'; break;
1932: case BAD_FORMULA: g_log_string[q_idx]='F'; break;
1933: case INCORRECT: g_log_string[q_idx]='N'; break;
1934: }
1935: }
1936: }
1937: }
1938:
1939: void submit_subjective(int q_idx,Problem_t *p)
1940: {
1941: char buf[MAX_BUFFER_SIZE];
1942: if (capa_set_subjective(g_login_set,q_idx+1,g_student_number,
1943: g_stu_ans_pp[q_idx+1]->a_str)<0){
1944: sprintf(buf,"<p><tt>Falied to record last submission.</tt><br>\n");
1945: g_tried[q_idx]--;
1946: } else {
1947: sprintf(buf,"<p><tt>Current submission recorded.</tt><br>\n");
1948: g_new_answerdb[q_idx] = '0';
1949: g_log_string[q_idx]='A';
1950: }
1951: append_qtext(buf);
1952: if (g_tried[q_idx]<p->tries) {
1953: create_answer_area(p,q_idx);
1954: if( p->tries - g_tried[q_idx] == 1) {
1955: append_qtext("<br><tt>ONE try left</tt>\n");
1956: }else{
1957: sprintf(buf,"<br><tt>tries %d/%d</tt>\n",g_tried[q_idx],p->tries);
1958: append_qtext(buf);
1959: }
1960: }else{
1961: display_last_answer(q_idx);
1962: append_qtext("<br><tt>No more tries.</tt>\n");
1963: }
1964: }
1965:
1966: void
1967: check_user_ans(int q_idx,Problem_t *p)
1968: {
1969: int a_tpe,cnt;
1970: char *c_ans,**ans;
1971: int t_tpe;
1972: double tol;
1973: int sig_l;
1974: int sig_u;
1975: char *a_fmt;
1976: int tries;
1977: char buf[MAX_BUFFER_SIZE];
1978:
1979: a_tpe = p->ans_type;
1980: t_tpe = p->tol_type;
1981: tol = p->tolerance;
1982: sig_l = p->sig_lbound;
1983: sig_u = p->sig_ubound;
1984: a_fmt = p->ans_fmt;
1985: tries = p->tries;
1986:
1987: #ifdef CGI_DBUG
1988: fprintf(g_cgi,"Enter check_user_ans() anstype=%d\n",a_tpe); fflush(g_cgi);
1989: #endif /* CGI_DBUG */
1990:
1991: g_tried[q_idx]++;
1992:
1993: #ifdef CGI_DBUG
1994: fprintf(g_cgi,"Call capa_check_answer() with [%s]\n",g_stu_ans_pp[q_idx+1]->a_str); fflush(g_cgi);
1995: #endif /* CGI_DBUG */
1996: if (a_tpe==ANSWER_IS_SUBJECTIVE) {
1997: submit_subjective(q_idx,p);
1998: return;
1999: }
2000:
2001: cnt=gather_answers(&ans,q_idx,p);
2002: if (cnt == -1) {
2003: g_tried[q_idx]--;
2004: create_answer_area(p,q_idx);
2005: if( (tries - g_tried[q_idx]) == 1 ) {
2006: append_qtext("<br><tt>Not all answers submitted, ONE try left!!</tt>\n");
2007: }else{
2008: sprintf(buf,"<br><tt>Not all answers submitted, tries %d/%d.</tt>\n",
2009: g_tried[q_idx],tries);
2010: append_qtext(buf);
2011: }
2012: return;
2013: }
2014:
2015: switch( capa_check_answers(p,ans,cnt) ) {
2016: case EXACT_ANS:
2017: case APPROX_ANS:
2018: c_ans=answers_string(ANSWER_STRING_MODE, p);
2019: sprintf(buf,"<p><tt>Yes, Computer gets: %s</tt>\n", c_ans);
2020: append_qtext(buf);
2021: g_new_answerdb[q_idx] = 'Y';
2022: g_log_string[q_idx]='Y';
2023: capa_mfree(c_ans);
2024: break;
2025: case SIG_FAIL:
2026: create_answer_area(p,q_idx);
2027: g_tried[q_idx]--; /* don't count as a try */
2028: sprintf(buf,"<br><tt>Please adjust significant figures, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2029: append_qtext(buf);
2030: g_new_answerdb[q_idx] = 'N';
2031: g_log_string[q_idx]='S';
2032: break;
2033: case UNIT_FAIL:
2034: create_answer_area(p,q_idx);
2035: g_tried[q_idx]--; /* don't count as a try */
2036: sprintf(buf,"<br><tt>Units incorrect, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2037: append_qtext(buf);
2038: g_new_answerdb[q_idx] = 'N';
2039: g_log_string[q_idx]='U';
2040: break;
2041: case UNIT_NOTNEEDED:
2042: create_answer_area(p,q_idx);
2043: g_tried[q_idx]--; /* don't count as a try */
2044: if(tries > 0) {
2045: sprintf(buf,"<br><tt>Only a number required, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2046: append_qtext(buf);
2047: }
2048: g_new_answerdb[q_idx] = 'N';
2049: g_log_string[q_idx]='U';
2050: break;
2051: case NO_UNIT:
2052: create_answer_area(p,q_idx);
2053: g_tried[q_idx]--; /* don't count as a try */
2054: sprintf(buf,"<br><tt>Units required, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2055: append_qtext(buf);
2056: g_new_answerdb[q_idx] = 'N';
2057: g_log_string[q_idx]='u';
2058: break;
2059: case BAD_FORMULA:
2060: create_answer_area(p,q_idx);
2061: g_tried[q_idx]--; /* don't count as a try */
2062: sprintf(buf,"<br><tt>Unable to understand formula, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2063: append_qtext(buf);
2064: g_new_answerdb[q_idx] = 'N';
2065: g_log_string[q_idx]='F';
2066: break;
2067: case INCORRECT:
2068: if( g_tried[q_idx] < tries ) {
2069: create_answer_area(p,q_idx);
2070: if( (tries - g_tried[q_idx]) == 1 ) {
2071: append_qtext("<br><tt>Incorrect, ONE try left!!</tt>\n");
2072: }else{
2073: sprintf(buf,"<br><tt>Incorrect, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2074: append_qtext(buf);
2075: }
2076: } else {
2077: display_last_answer(q_idx);
2078: append_qtext("<br><tt>Incorrect, no more tries.</tt>\n");
2079: }
2080: g_new_answerdb[q_idx] = 'N';
2081: g_log_string[q_idx]='N';
2082: break;
2083: }
2084: }
2085:
2086: void
2087: check_inhibited_user_ans(int q_idx,Problem_t *p)
2088: {
2089: int a_tpe,cnt;
2090: char *c_ans,**ans;
2091: int t_tpe;
2092: double tol;
2093: int sig_l;
2094: int sig_u;
2095: char *a_fmt;
2096: int tries;
2097: char buf[MAX_BUFFER_SIZE];
2098:
2099: a_tpe = p->ans_type;
2100: c_ans = p->answer;
2101: t_tpe = p->tol_type;
2102: tol = p->tolerance;
2103: sig_l = p->sig_lbound;
2104: sig_u = p->sig_ubound;
2105: a_fmt = p->ans_fmt;
2106: tries = p->tries;
2107:
2108: #ifdef CGI_DBUG
2109: fprintf(g_cgi,"Enter check_inhibited_user_ans() anstype=%d\n",a_tpe); fflush(g_cgi);
2110: #endif /* CGI_DBUG */
2111:
2112: g_tried[q_idx]++;
2113:
2114: #ifdef CGI_DBUG
2115: fprintf(g_cgi,"Call capa_check_answer() with [%s]\n",g_stu_ans_pp[q_idx+1]->a_str);
2116: fflush(g_cgi);
2117: #endif /* CGI_DBUG */
2118: if (a_tpe==ANSWER_IS_SUBJECTIVE) {
2119: submit_subjective(q_idx,p);
2120: return;
2121: }
2122:
2123: cnt=gather_answers(&ans,q_idx,p);
2124: if (cnt == -1) {
2125: g_tried[q_idx]--;
2126: create_answer_area(p,q_idx);
2127: if( (tries - g_tried[q_idx]) == 1 ) {
2128: append_qtext("<br><tt>Not all answers submitted, ONE try left!!</tt>\n");
2129: }else{
2130: sprintf(buf,"<br><tt>Not all answers submitted, tries %d/%d.</tt>\n",
2131: g_tried[q_idx],tries);
2132: append_qtext(buf);
2133: }
2134: return;
2135: }
2136:
2137: switch( capa_check_answers(p,ans,cnt) ) {
2138: case EXACT_ANS:
2139: case APPROX_ANS:
2140: g_new_answerdb[q_idx] = 'Y';
2141: g_log_string[q_idx]='Y';
2142: break;
2143: case SIG_FAIL:
2144: g_new_answerdb[q_idx] = 'N';
2145: g_log_string[q_idx]='S';
2146: break;
2147: case UNIT_FAIL:
2148: g_new_answerdb[q_idx] = 'N';
2149: g_log_string[q_idx]='U';
2150: break;
2151: case UNIT_NOTNEEDED:
2152: g_new_answerdb[q_idx] = 'N';
2153: g_log_string[q_idx]='U';
2154: break;
2155: case NO_UNIT:
2156: g_new_answerdb[q_idx] = 'N';
2157: g_log_string[q_idx]='u';
2158: break;
2159: case BAD_FORMULA:
2160: g_new_answerdb[q_idx] = 'N';
2161: g_log_string[q_idx]='F';
2162: break;
2163: case INCORRECT:
2164: g_new_answerdb[q_idx] = 'N';
2165: g_log_string[q_idx]='N';
2166: break;
2167: }
2168:
2169: if( g_tried[q_idx] < tries ) {
2170: create_answer_area(p,q_idx);
2171: if( (tries - g_tried[q_idx]) == 1 ) {
2172: append_qtext("<br><tt>Answered, ONE try left!!</tt>\n");
2173: }else{
2174: sprintf(buf,"<br><tt>Answered, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2175: append_qtext(buf);
2176: }
2177: } else {
2178: display_last_answer(q_idx);
2179: append_qtext("<br><tt>Answered, no more tries.</tt>\n");
2180: }
2181: }
2182:
2183: void /* RETURNS: (nothing) */
2184: print_summary(class_dir,class,student_number,pin,set)
2185: char *class_dir;char *class;char *student_number;int pin;int set;
2186: { /* LOCAL VARIABLES: */
2187: int set_idx, /* Set counter */
2188: i, /* Question counter */
2189: set_score, /* Score on a set */
2190: term_score=0, /* Total points received */
2191: term_valid=0, /* Total points possible */
2192: result,
2193: tot_num_sets=0;
2194: T_entry entry; /* Database entry for a set */
2195: char buf[MAX_BUFFER_SIZE]; /* Output line buffer */
2196: char buf2[MAX_BUFFER_SIZE]; /* Output line buffer */
2197: T_header header; /* Problem set header */
2198: int question_cnt,valid_wgt, rate,configResult,
2199: status_line_length=DEFAULT_STATUS_LINE_LENGTH,row;
2200: char class_fullpath[ONE_K],*serverName;
2201:
2202: serverName=getenv("SERVER_NAME");
2203: if (!serverName) {
2204: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
2205: fprintf(stdout,"Unable to complete actions.\n");
2206: return;
2207: }
2208: printf("<!--print_summary-->");
2209: sprintf(class_fullpath,"%s/%s",class_dir,class);
2210: chdir(class_fullpath);
2211: configResult=read_capa_config("web_status_line_length",buf);
2212: if (configResult != 0 && configResult != -1 ) {
2213: if (sscanf(buf,"%d",&status_line_length)==0) {
2214: status_line_length=DEFAULT_STATUS_LINE_LENGTH;
2215: }
2216: } else {
2217: status_line_length=DEFAULT_STATUS_LINE_LENGTH;
2218: }
2219:
2220: printf("<TABLE>\n<TR><TD></TD>\n");
2221: for(i=0;i<status_line_length;i++) {
2222: printf("<TD align=center valign=bottom>%d</TD>\n",i+1);
2223: }
2224: printf("</TR>");
2225:
2226: for (set_idx=1; set_idx<=set; set_idx++) {
2227: g_inhibit_response=capa_check_option(OPTION_INHIBIT_RESPONSE,set_idx,
2228: g_student_data.s_sec);
2229: if (g_inhibit_response > 0) {
2230: printf("<!-- Set %d is inhibited -->\n",set_idx);
2231: continue;
2232: }
2233: if ( capa_check_date(CHECK_OPEN_DATE,g_student_number,
2234: g_student_data.s_sec,set_idx) < 0 ){
2235: printf("<!-- Set %d is not open -->\n",set_idx);
2236: continue;
2237: }
2238:
2239: if (capa_get_header(&header,set_idx)) return;
2240: tot_num_sets++;
2241: capa_get_entry(&entry,student_number,set_idx);
2242: sscanf(header.num_questions,"%d", &(question_cnt) );
2243: valid_wgt = 0; set_score = 0;
2244: header.weight[question_cnt] = '\0';
2245: header.partial_credit[question_cnt] = '\0';
2246: for (i=0; i<question_cnt; i++) {
2247: valid_wgt += (header.weight[i] - '0');
2248: if((entry.answers[i]=='Y') || (entry.answers[i]=='y'))
2249: set_score += (header.weight[i]-'0');
2250: if((entry.answers[i]=='E') || (entry.answers[i]=='e'))
2251: valid_wgt -= (header.weight[i] - '0');
2252: if((entry.answers[i]>='0') && (entry.answers[i]<='9'))
2253: set_score += (entry.answers[i] - '0');
2254: }
2255: term_valid += valid_wgt;
2256: term_score += set_score;
2257:
2258: if( valid_wgt != 0 ) {
2259: rate = 100*set_score / valid_wgt;
2260: printf("<TR><TD nowrap align=center valign=bottom>set <B>%d</B>, %d/%d(%d %%) </TD>",set_idx,set_score,valid_wgt,rate);
2261: } else {
2262: printf("<TR><TD nowrap align=center valign=bottom>set <B>%d</B>, 0/0(0 %%) </TD>",set_idx);
2263: }
2264: for(row=0;row<=(question_cnt/status_line_length);row++) {
2265: for(i=(row*status_line_length);
2266: ((i<question_cnt)&&(i<((row+1)*status_line_length))); i++) {
2267: if (i != 0 && (!(i%status_line_length))) { printf("</TR><TD></TD>"); }
2268: printf("<TD align=center valign=bottom><tt>%c</tt></TD>\n",entry.answers[i]);
2269: }
2270: printf("</TR>\n<TR><TD></TD>");
2271: for(i=(row*status_line_length);
2272: ((i<question_cnt)&&(i<((row+1)*status_line_length))); i++) {
2273: if (i != 0 && (!(i%status_line_length))) { printf("</TR><TD></TD>"); }
2274: printf("<TD align=center valign=bottom><tt>%c</tt></TD>\n",header.weight[i]);
2275: }
2276: }
2277: printf("</TR>");
2278: capa_mfree(header.weight);
2279: capa_mfree(header.partial_credit);
2280: }
2281: printf("\n</TABLE>\n<hr>\n");
2282: /* SHOW TOTALS */
2283: /* if capalogin_show_summary_score is set to none don't show it */
2284: if (term_valid > 0) {
2285: sprintf(buf,"%d sets, total = %3d/%3d (%d%%)\n", tot_num_sets, term_score, term_valid, 100*term_score/term_valid);
2286: } else {
2287: sprintf(buf,"%d sets, total = %3d/%3d\n", tot_num_sets, term_score, term_valid);
2288: }
2289: result=read_capa_config("capalogin_show_summary_score",buf2);
2290: if (result != 0 && result != -1) {
2291: if (strcasecmp(buf2,"none")==0) {
2292: } else {
2293: printf("%s",buf);
2294: }
2295: } else {
2296: printf("%s",buf);
2297: }
2298:
2299: printf("<TABLE cellpadding=0 cellspacing=0 border=0>\n<TR><TD>");
2300: printf("<form method=\"post\" ");
2301: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
2302: printf("%s\n", buf);
2303: printf("<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
2304: printf("<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
2305: printf("<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
2306: printf("<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_CHECKIN);
2307: printf("<input type=\"submit\" value=\"Main menu\" ></form></TD>\n");
2308: printf("<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
2309: printf("<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
2310: printf("\n</TABLE>\n");
2311: }
2312:
2313:
2314: void
2315: process_mode(int mode) {
2316:
2317: #ifdef CGI_DBUG
2318: fprintf(g_cgi,"entered process_mode[%d]\n",mode); fflush(g_cgi);
2319: #endif /* CGI_DBUG */
2320: g_qchar_cnt=g_schar_cnt=0;
2321: g_qsize=TEXT_BUF_SIZE*sizeof(char);
2322: g_ssize=STATUS_BUF_SIZE*sizeof(char);
2323: g_question_txt=capa_malloc(TEXT_BUF_SIZE,sizeof(char));
2324: g_status_txt =capa_malloc(STATUS_BUF_SIZE,sizeof(char));
2325: #ifdef CGI_DBUG
2326: fprintf(g_cgi,"alloced everything\n"); fflush(g_cgi);
2327: #endif /* CGI_DBUG */
2328: if( mode == VIEW_PREVIOUS_MODE ) {
2329: print_quizz(g_cpath,g_cowner,g_class_name,g_student_number, g_entered_pin, g_vset,mode);
2330: } else if( mode == TRY_SET_MODE ) {
2331: print_quizz(g_cpath,g_cowner,g_class_name,g_student_number, g_entered_pin, g_login_set,mode);
2332: } else {
2333: print_quizz(g_cpath,g_cowner,g_class_name,g_student_number,g_entered_pin,g_login_set,CHECK_ANSWER_MODE);
2334: }
2335: g_status_txt[g_schar_cnt]=0;
2336: g_question_txt[g_qchar_cnt]=0;
2337: if( g_schar_cnt != 0 ) {
2338: fprintf(stdout,"%s",g_status_txt);
2339: #ifdef CGI_DBUG
2340: fprintf(g_cgi,"print status [%s]\n",g_status_txt); fflush(g_cgi);
2341: #endif /* CGI_DBUG */
2342: }
2343: if( g_qchar_cnt != 0) {
2344: fprintf(stdout,"%s",g_question_txt);
2345: #ifdef CGI_DBUG
2346: fprintf(g_cgi,"print question [%s]\n",g_question_txt); fflush(g_cgi);
2347: #endif /* CGI_DBUG */
2348: }
2349: if( g_schar_cnt != 0 ) {
2350: fprintf(stdout,"%s",g_status_txt);
2351: }
2352: fflush(stdout);
2353: capa_mfree(g_status_txt);
2354: capa_mfree(g_question_txt);
2355:
2356: }
2357:
2358: /* mode could be exam summary, show or not show percentage */
2359: /* quiz summary, show or not show percentage */
2360: void
2361: process_summary(int mode)
2362: {
2363: int outcome;
2364: int i, len;
2365: char *c_name;
2366: char c_path[512];
2367:
2368: outcome = check_exam_quiz_path();
2369: if( (mode == M_EXAMSUMM) && (outcome & 1) ) { /* exam summary */
2370: c_name = rindex(g_exam_path,'/');
2371: c_name++;
2372: i = strlen(c_name);
2373: len = strlen(g_exam_path) - i - 1;
2374: for(i=0;i<len;i++) {
2375: c_path[i]=g_exam_path[i];
2376: }
2377: c_path[len]=0;
2378: print_summary(c_path,c_name,g_student_number, g_entered_pin, g_exam_set);
2379: }
2380: if( (mode == M_QUIZSUMM) && (outcome & 2) ) { /* quiz summary */
2381: c_name = rindex(g_quiz_path,'/');
2382: c_name++;
2383: i = strlen(c_name);
2384: len = strlen(g_quiz_path) - i - 1;
2385: for(i=0;i<len;i++) {
2386: c_path[i]=g_quiz_path[i];
2387: }
2388: c_path[len]=0;
2389: print_summary(c_path,c_name,g_student_number, g_entered_pin, g_quiz_set);
2390: }
2391:
2392: }
2393:
2394: /* ---------------- JAVA TScore.class page print out ----------------- */
2395: void /* RETURNS: (nothing) */
2396: print_termscore_page(class_dir,class,student_number,pin,set,out)
2397: char *class_dir;char *class;char *student_number;int pin;int set; /* student login set */
2398: FILE *out;
2399: { /* LOCAL VARIABLES: */
2400: int set_idx, /* Set counter */
2401: i, /* Question counter */
2402: set_score, /* Score on a set */
2403: term_score=0, /* Total points received */
2404: term_valid=0; /* Total points possible */
2405: T_entry entry; /* Database entry for a set */
2406: char buf[MAX_BUFFER_SIZE]; /* Output line buffer */
2407: T_header header; /* Problem set header */
2408: int question_cnt,valid_wgt,configResult;
2409: char class_fullpath[ONE_K],*serverName;
2410: int hw_c, hw_r, qz_c, qz_r, fs, homework_count, quiz_count;
2411: float hw_w, qz_w, ex_w, fe_w, pc_w;
2412: int idx, entry_count, tmp_len;
2413: float *S, *F;
2414: int *X; /* array controlling whether to extrapolate scores */
2415: char *capa_server;
2416: int max_set[4], width=600,height=750; /* width and height of applet*/
2417: char **c_path_pp;
2418:
2419: /*Unused Vars
2420: char buf2[MAX_BUFFER_SIZE];
2421: char *qz_p, *ex_p, *epc_p;
2422: int ex_c, epc_c, result;
2423: int rate, status_line_length=DEFAULT_STATUS_LINE_LENGTH,row;
2424: */
2425:
2426: serverName=getenv("SERVER_NAME");
2427: if (!serverName) {
2428: fprintf(out,"Enviroment variable SERVER_NAME not set.\n");
2429: fprintf(out,"Unable to complete actions.\n");
2430: return;
2431: }
2432:
2433: sprintf(class_fullpath,"%s/%s",class_dir,class);
2434: chdir(class_fullpath);
2435:
2436: /*
2437: change the working director to the major homework directory and begin to
2438: read off the remaining path informations from this capa.config file
2439: homework_path =
2440: quiz_path =
2441: exam_path =
2442: correction_path =
2443: homework_weight = 0.3
2444: quiz_weight = 0.7
2445: exam_weight = 0.3
2446: final_weight = 0.35
2447: correction_weight = 0.3
2448: final_exam_set_number = 4
2449: homework_count = 12
2450: quiz_count = 24
2451:
2452: */
2453:
2454: configResult=read_capa_config("capa_server",buf);
2455: if (configResult != 0 && configResult != -1 ) {
2456: tmp_len = strlen(buf) + 1;
2457: capa_server = (char *)capa_malloc( tmp_len, sizeof(char));
2458: sprintf(capa_server,"%s",buf);
2459: } else { /* if capa_server is not set then we won't do anything further */
2460: fprintf(out,"Parameter: capa_server in capa.config file are not properly set.\n");
2461: return ;
2462: }
2463: if( get_termscore_params(&hw_w,&qz_w,&ex_w,&fe_w,&pc_w,&homework_count,&quiz_count,&fs) == -1 ) {
2464: fprintf(out,"Parameters in capa.config file are not properly set.\n");
2465: fprintf(out," such as homework_weight, quiz_weight, exam_weight, final_weight, correction_weight.\n");
2466:
2467: return;
2468: }
2469:
2470: get_tscore_width_height(&width,&height);
2471:
2472: c_path_pp = (char **)capa_malloc( 4, sizeof(char *));
2473: tmp_len = strlen(class_fullpath) + 1;
2474: c_path_pp[0] = (char *)capa_malloc(tmp_len,sizeof(char));
2475: sprintf(c_path_pp[0],"%s",class_fullpath); /* c_path_pp[0] should always be there */
2476:
2477: entry_count = fs*2 + 1;
2478: S = (float *)capa_malloc( ((fs+1)*2), sizeof(float));
2479: F = (float *)capa_malloc( ((fs+1)*2), sizeof(float));
2480: X = (int *)capa_malloc( ((fs+1)*2), sizeof(int));
2481:
2482: max_set[0] = set; /* the login set number */
2483: hw_c = max_set[0];
2484: hw_r = homework_count - set;
2485:
2486:
2487: configResult=read_capa_config("quiz_path",buf);
2488: if (configResult != 0 && configResult != -1 ) {
2489: tmp_len = strlen(buf)+1;
2490: c_path_pp[1] = (char *)capa_malloc(tmp_len,sizeof(char));
2491: sprintf(c_path_pp[1],"%s",buf);
2492: max_set[1] = check_class_get_maxset(c_path_pp[1]);
2493: if( max_set[1] <= 0 ) {
2494: /* should we continue ? */
2495: max_set[1] = 1;
2496: X[1] = 1;
2497: }
2498: qz_c = max_set[1];
2499: qz_r = quiz_count - max_set[1];
2500: } else { /* if quiz_path is not in capa.config, then we will skip quizz */
2501: qz_c = 0;
2502: qz_r = 0;
2503: }
2504:
2505:
2506: configResult=read_capa_config("exam_path",buf);
2507: if (configResult != 0 && configResult != -1 ) {
2508: tmp_len = strlen(buf)+1;
2509: c_path_pp[2] = (char *)capa_malloc( (tmp_len),sizeof(char));
2510: sprintf(c_path_pp[2],"%s",buf);
2511: max_set[2] = check_class_get_maxset(c_path_pp[2]);
2512: printf("<!-- for %s max_set %d -->\n",c_path_pp[2],max_set[2]);
2513: if( max_set[2] <= 0 ) {
2514: /* no sets */
2515: max_set[2] = 0;
2516: }
2517: /* start extrapolation with sets that don't yet exist */
2518: for(idx=2+(max_set[2]*2);idx <= (fs*2); idx++) {
2519: X[idx] = 1;
2520: }
2521: } else { /* if exam_path is not in capa.config, then skip exams */
2522: fs = 0;
2523: }
2524: configResult=read_capa_config("correction_path",buf);
2525: if (configResult != 0 && configResult != -1 ) {
2526: tmp_len = strlen(buf)+1;
2527: c_path_pp[3] = (char *)capa_malloc(tmp_len,sizeof(char));
2528: sprintf(c_path_pp[3],"%s",buf);
2529: max_set[3] = check_class_get_maxset(c_path_pp[3]);
2530: if( max_set[3] <= 0 ) {
2531: /* should we continue ? */
2532: max_set[3] = 0;
2533:
2534: }
2535: } else { /* if correction_path is not in capa.config, then skip corrections */
2536: pc_w = 0.0;
2537: }
2538:
2539:
2540:
2541: for( idx = 0; idx < 4; idx++) {
2542: if( c_path_pp[idx] != NULL ) {
2543: chdir(c_path_pp[idx]);
2544: term_score=0;
2545: term_valid=0;
2546: for (set_idx=1; set_idx<=max_set[idx]; set_idx++) {
2547: if (capa_get_header(&header,set_idx)) return;
2548: capa_get_entry(&entry,student_number,set_idx);
2549: sscanf(header.num_questions,"%d", &(question_cnt) );
2550: valid_wgt = 0; set_score = 0;
2551: header.weight[question_cnt] = '\0';
2552: header.partial_credit[question_cnt] = '\0';
2553: for (i=0; i<question_cnt; i++) {
2554: valid_wgt += (header.weight[i] - '0');
2555: if((entry.answers[i]=='Y') || (entry.answers[i]=='y'))
2556: set_score += (header.weight[i]-'0');
2557: if((entry.answers[i]=='E') || (entry.answers[i]=='e'))
2558: valid_wgt -= (header.weight[i] - '0');
2559: if((entry.answers[i]>='0') && (entry.answers[i]<='9'))
2560: set_score += (entry.answers[i] - '0');
2561: }
2562: term_valid += valid_wgt;
2563: term_score += set_score;
2564: capa_mfree(header.weight);
2565: capa_mfree(header.partial_credit);
2566: printf("<!-- %s %d %d -->\n",c_path_pp[idx],set_score,valid_wgt);
2567: if(idx==2) { /* exam sets */
2568: S[set_idx*2] = (float)set_score;
2569: F[set_idx*2] = (float)valid_wgt;
2570: if (valid_wgt == 0) {
2571: X[set_idx*2] = 1;
2572: } else {
2573: X[set_idx*2] = 0;
2574: }
2575: }
2576: if(idx==3) { /* correction sets */
2577: S[set_idx*2+1] = (float)set_score;
2578: F[set_idx*2+1] = (float)valid_wgt;
2579: if (valid_wgt == 0 ) {
2580: X[set_idx*2+1] = 1;
2581: } else {
2582: X[set_idx*2+1] = 0;
2583: }
2584: }
2585: }
2586: if( (idx == 0) || (idx==1) ) { /* homeworks and quizzes */
2587: S[idx] = (float)term_score;
2588: F[idx] = (float)term_valid;
2589: X[idx] = 1;
2590: }
2591: }
2592: }
2593:
2594:
2595:
2596:
2597: fprintf(out,"<CENTER>\n");
2598: fprintf(out,"<APPLET CODE=TScore.class CODEBASE=\"http://%s\" width=%d height=%d>\n",capa_server,width,height);
2599: fprintf(out,"<PARAM NAME=\"HW_W\" VALUE=\"%f\">\n", hw_w);
2600: fprintf(out,"<PARAM NAME=\"QZ_W\" VALUE=\"%f\">\n", qz_w);
2601: fprintf(out,"<PARAM NAME=\"EX_W\" VALUE=\"%f\">\n", ex_w);
2602: fprintf(out,"<PARAM NAME=\"FE_W\" VALUE=\"%f\">\n", fe_w);
2603: fprintf(out,"<PARAM NAME=\"PC_W\" VALUE=\"%f\">\n", pc_w);
2604: fprintf(out,"<PARAM NAME=\"HW_C\" VALUE=\"%d\">\n", hw_c);
2605: fprintf(out,"<PARAM NAME=\"HW_R\" VALUE=\"%d\">\n", hw_r);
2606: fprintf(out,"<PARAM NAME=\"FS\" VALUE=\"%d\">\n", fs);
2607: fprintf(out,"<PARAM NAME=\"QZ_C\" VALUE=\"%d\">\n", qz_c);
2608: fprintf(out,"<PARAM NAME=\"QZ_R\" VALUE=\"%d\">\n", qz_r);
2609:
2610:
2611: for(idx=0;idx<entry_count;idx++) {
2612: fprintf(out,"<PARAM NAME=\"S%d\" VALUE=\"%f\">\n",idx,S[idx]);
2613: fprintf(out,"<PARAM NAME=\"F%d\" VALUE=\"%f\">\n",idx,F[idx]);
2614: fprintf(out,"<PARAM NAME=\"X%d\" VALUE=\"%d\">\n",idx,X[idx]);
2615: }
2616:
2617: fprintf(out,"</APPLET> </CENTER>\n");
2618:
2619: fprintf(out,"<TABLE cellpadding=0 cellspacing=0 border=0>\n<TR><TD>");
2620: fprintf(out,"<form method=\"post\" ");
2621: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
2622: fprintf(out,"%s\n", buf);
2623: fprintf(out,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
2624: fprintf(out,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
2625: fprintf(out,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
2626: fprintf(out,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_CHECKIN);
2627: fprintf(out,"<input type=\"submit\" value=\"Main menu\" ></form></TD>\n");
2628: fprintf(out,"<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
2629: fprintf(out,"<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
2630: fprintf(out,"\n</TABLE>\n");
2631:
2632: capa_mfree((char *)S);
2633: capa_mfree((char *)F);
2634: capa_mfree((char *)X);
2635: for(idx=0;idx<4;idx++) {
2636: if( c_path_pp[idx] != NULL ) capa_mfree((char *)c_path_pp[idx]);
2637: }
2638: capa_mfree((char *)c_path_pp);
2639: capa_mfree((char *)capa_server);
2640: }
2641:
2642: int
2643: get_tscore_width_height(width,height)
2644: int *width;int *height;
2645: {
2646: char buf[MAX_BUFFER_SIZE];
2647: int configResult;
2648:
2649: configResult=read_capa_config("tscore_width",buf);
2650: if (configResult != 0 && configResult != -1 ) {
2651: sscanf(buf,"%d", width);
2652: if (*width <= 0 ) { *width = DEFAULT_WIDTH; }
2653: } else {
2654: printf("<!-- tscore_width not found. %d-->\n",configResult);
2655: }
2656: configResult=read_capa_config("tscore_height",buf);
2657: if (configResult != 0 && configResult != -1 ) {
2658: sscanf(buf,"%d", height);
2659: if (*height <= 0 ) { *height = DEFAULT_HEIGHT; }
2660: } else {
2661: printf("<!-- tscore_height not found. %d-->\n",configResult);
2662: }
2663: }
2664:
2665: int
2666: get_termscore_params(hw,qw,ew,fw,pw,hc,qc,fs)
2667: float *hw;float *qw;float *ew;float *fw;float *pw;
2668: int *hc;int *qc;int *fs;
2669: {
2670: char buf[MAX_BUFFER_SIZE]; /* Output line buffer */
2671: int hw_c, qz_c, fe_s;
2672: float hw_w, qz_w, ex_w, fe_w, pc_w;
2673: int configResult;
2674:
2675: configResult=read_capa_config("homework_weight",buf);
2676: if (configResult != 0 && configResult != -1 ) {
2677: sscanf(buf,"%f", &hw_w);
2678: if(hw_w <= 0.0 ) {
2679: hw_w = DEFAULT_HW_W;
2680: }
2681: } else {
2682: return (-1);
2683: }
2684: configResult=read_capa_config("quiz_weight",buf);
2685: if (configResult != 0 && configResult != -1 ) {
2686: sscanf(buf,"%f", &qz_w);
2687: if(qz_w <= 0.0 ) {
2688: qz_w = DEFAULT_QZ_W;
2689: }
2690: } else {
2691: return (-1);
2692: }
2693: configResult=read_capa_config("exam_weight",buf);
2694: if (configResult != 0 && configResult != -1 ) {
2695: sscanf(buf,"%f", &ex_w);
2696: if(ex_w <= 0.0 ) {
2697: ex_w = DEFAULT_EX_W;
2698: }
2699: } else {
2700: return (-1);
2701: }
2702: configResult=read_capa_config("final_weight",buf);
2703: if (configResult != 0 && configResult != -1 ) {
2704: sscanf(buf,"%f", &fe_w);
2705: if(fe_w <= 0.0 ) {
2706: fe_w = DEFAULT_FE_W;
2707: }
2708: } else {
2709: return (-1);
2710: }
2711: configResult=read_capa_config("correction_weight",buf);
2712: if (configResult != 0 && configResult != -1 ) {
2713: sscanf(buf,"%f", &pc_w);
2714: if(pc_w <= 0.0 ) {
2715: pc_w = DEFAULT_PC_W;
2716: }
2717: } else {
2718: return (-1);
2719: }
2720: configResult=read_capa_config("final_exam_set_number",buf);
2721: if (configResult != 0 && configResult != -1 ) {
2722: sscanf(buf,"%d", &fe_s);
2723: if(fe_s <= 0 ) {
2724: fe_s = DEFAULT_FE_NUMBER;
2725: }
2726: } else {
2727: return (-1);
2728: }
2729: configResult=read_capa_config("homework_count",buf);
2730: if (configResult != 0 && configResult != -1 ) {
2731: sscanf(buf,"%d", &hw_c);
2732: if(hw_c <= 0 ) {
2733: hw_c = DEFAULT_HW_COUNT;
2734: }
2735: } else {
2736: return (-1);
2737: }
2738: configResult=read_capa_config("quiz_count",buf);
2739: if (configResult != 0 && configResult != -1 ) {
2740: sscanf(buf,"%d", &qz_c);
2741: if(qz_c <= 0 ) {
2742: qz_c = DEFAULT_QZ_COUNT;
2743: }
2744: } else {
2745: return (-1);
2746: }
2747: *hw = hw_w; *qw = qz_w; *ew = ex_w; *fw = fe_w; *pw = pc_w;
2748: *hc = hw_c; *qc = qz_c; *fs = fe_s;
2749: return (0);
2750:
2751: }
2752:
2753: /* =================================================================================================== */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to capaCgiUtils.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / capa / capa51 / pProj