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: trim_response_ws(sa_p->a_str);
429: if( g_stu_ans_pp[q_idx] == NULL ) {
430: g_stu_ans_pp[q_idx] = sa_p;
431: } else {
432: StudentAnswer_t *sb_p;
433: for(sb_p=g_stu_ans_pp[q_idx]; sb_p->a_next; sb_p=sb_p->a_next);
434: sb_p->a_next = sa_p;
435: }
436: }
437: leng = strlen( g_entries[x].val );
438: if ( leng > 0 ) {
439: sprintf(buf,"%d\t%s\t",q_idx,g_entries[x].val);
440: strcat(submissions_str,buf);
441: }
442: }
443: }
444: }
445: if( !strncmp(g_entries[x].name,"LAST",4) ) {
446: StudentAnswer_t *sa_p;
447: if( index(g_entries[x].name, ',' ) == NULL ) { /* only one answer */
448: sscanf(g_entries[x].name,"LAST%d",&q_idx);
449: if( q_idx > 0 && q_idx < MAX_PROBLEM_CNT ) {
450: sa_p = (StudentAnswer_t *)capa_malloc(sizeof(StudentAnswer_t),1);
451: sa_p->a_idx = 1;
452: sa_p->a_str = strsave(g_entries[x].val);
453: sa_p->a_next = NULL;
454: g_last_ans_pp[q_idx] = sa_p;
455: }
456: } else {
457: sscanf(g_entries[x].name,"LAST%d,%d",&q_idx,&sub_idx);
458: if( q_idx > 0 && q_idx < MAX_PROBLEM_CNT ) {
459: sa_p = (StudentAnswer_t *)capa_malloc(sizeof(StudentAnswer_t),1);
460: sa_p->a_idx = sub_idx;
461: sa_p->a_str = strsave(g_entries[x].val);
462: sa_p->a_next = NULL;
463: if( g_last_ans_pp[q_idx] == NULL) {
464: g_last_ans_pp[q_idx] = sa_p;
465: } else {
466: StudentAnswer_t *sb_p;
467: for(sb_p=g_last_ans_pp[q_idx]; sb_p->a_next; sb_p=sb_p->a_next);
468: sb_p->a_next = sa_p;
469: }
470: }
471: }
472: }
473: }
474:
475: /* ========================================================================= */
476: /* Check in: Class name (CLASS)
477: Student Number (SNUM)
478: CAPA ID (CAPAID)
479: M=1
480: Try set: Class name (CLASS)
481: Student Number (SNUM)
482: CAPA ID (CAPAID)
483: First question to print (STARTNUM)
484: M=2
485: View previous: Class name (CLASS)
486: Student Number (SNUM)
487: CAPA ID (CAPAID)
488: First question to print (STARTNUM)
489: View set (VSET)
490: M=3
491: Set summary:
492:
493: --------------------------------------------------------------------------- */
494:
495: int w_get_input()
496: {
497: register int x,m=0;
498: int cl, q_idx, result = 1;
499: T_header header;
500: char log_str[MAX_BUFFER_SIZE],buf[MAX_BUFFER_SIZE];
501: char submissions_str[MAX_BUFFER_SIZE];
502: time_t curtime;
503: char *time_str,*UNKNOWN="UNKNOWN";
504: int error=0;
505: char *envPtr=NULL,*envPtr2=NULL;
506: #ifdef CGI_DBUG
507: fprintf(g_cgi,"Entered get_input()\n"); fflush(g_cgi);
508: #endif /* CGI_DBUG */
509:
510: envPtr=getenv("REQUEST_METHOD");
511: if(!envPtr) {
512: fprintf(stdout,"Enviroment variable REQUEST_METHOD not set.\n");
513: fprintf(stdout,"CAPA is improperly installed or run, please let your \
514: instructor know about this error.\n");
515: fprintf(stdout,"No tries have been deducted for the last submission.\n");
516: error |= 1;
517: return error;
518: }
519: if(strcmp(envPtr,"POST")) {
520: fprintf(stdout,"This script should be referenced with a METHOD of POST.\n");
521: fprintf(stdout,"CAPA is improperly installed or run, please let your \
522: instructor know about this error.\n");
523: fprintf(stdout,"No tries have been deducted for the last submission.\n");
524: fflush(stdout);
525: #ifdef CGI_DBUG
526: fprintf(g_cgi,"Request_method is not POST\n"); fflush(g_cgi);
527: #endif /* CGI_DBUG */
528: error |= 2; return (error);
529: }
530:
531: envPtr=getenv("CONTENT_TYPE");
532: if(!envPtr) {
533: fprintf(stdout,"Enviroment variable CONTENT_TYPE not set.\n");
534: fprintf(stdout,"CAPA is improperly installed or run, please let your \
535: instructor know about this error.\n");
536: fprintf(stdout,"No tries have been deducted for the last submission.\n");
537: fflush(stdout);
538: error |= 4;
539: return error;
540: }
541: if(strncmp(envPtr,"application/x-www-form-urlencoded",33)) {
542: fprintf(stdout,"This script can only be used to decode form results. \n");
543: fprintf(stdout,"CAPA is improperly installed or run, please let your \
544: instructor know about this error.\n");
545: fprintf(stdout,"No tries have been deducted for the last submission.\n");
546: fflush(stdout);
547: #ifdef CGI_DBUG
548: fprintf(g_cgi,"CONTENT_TYPE is not application/x-www-form-urlencoded\n"); fflush(g_cgi);
549: #endif /* CGI_DBUG */
550: error |= 8; return (error);
551: }
552:
553: envPtr=getenv("CONTENT_LENGTH");
554: if(!envPtr) {
555: fprintf(stdout,"Enviroment variable CONTENT_LENGTH not set.\n");
556: fprintf(stdout,"CAPA is improperly installed or run, please let your \
557: instructor know about this error.\n");
558: fprintf(stdout,"No tries have been deducted for the last submission.\n");
559: error |= 16;
560: return error;
561: }
562: cl = atoi(envPtr);
563: #ifdef CGI_DBUG
564: fprintf(g_cgi,"CONTENT_LENGTH is %d\n",cl); fflush(g_cgi);
565: #endif /* CGI_DBUG */
566: for(x=0;cl && (!feof(stdin));x++) {
567: m=x;
568: g_entries[x].val = fmakeword(stdin,'&',&cl);
569: plustospace(g_entries[x].val);
570: unescape_url(g_entries[x].val);
571: g_entries[x].name = makeword(g_entries[x].val,'=');
572: }
573: /* ---------------------------------------------------- */
574: g_entered_pin = 0; g_run_mode =0;
575: submissions_str[0]='\0';
576: for(x=0; x <= m; x++) {
577: if( !strcmp(g_entries[x].name,"CLASS") ) {
578: strncpy(g_class_name,g_entries[x].val,MAX_CLASS_CHAR);
579: }
580: if( !strcmp(g_entries[x].name,"M") ) { /* run mode */
581: sscanf(g_entries[x].val,"%d",&g_run_mode);
582: }
583: if( !strcmp(g_entries[x].name,"STARTNUM")) {
584: sscanf(g_entries[x].val,"%d",&g_start_question);
585: }
586: if( !strcmp(g_entries[x].name,"SNUM") ) {
587: strncpy(g_student_number,g_entries[x].val,MAX_STUDENT_NUMBER+4);
588: }
589: if( !strcmp(g_entries[x].name,"CAPAID") ) {
590: sscanf(g_entries[x].val,"%d",&g_entered_pin);
591: }
592: if( !strcmp(g_entries[x].name,"SET") ) {
593: sscanf(g_entries[x].val,"%d",&g_set);
594: }
595: if( !strcmp(g_entries[x].name,"VSET") ) {
596: if (g_entries[x].val[0] == '\0') {
597: g_vset=0;
598: } else {
599: sscanf(g_entries[x].val,"%d",&g_vset);
600: }
601: }
602: if( !strcmp(g_entries[x].name,"KND") ) {
603: sscanf(g_entries[x].val,"%d",&g_skind);
604: }
605: w_get_responses(x,q_idx,submissions_str);
606: free(g_entries[x].val);
607: free(g_entries[x].name);
608: }
609:
610: #ifdef CGI_DBUG
611: fprintf(g_cgi,"DONE: Parse input\n"); fflush(g_cgi);
612: #endif /* CGI_DBUG */
613: /* --------------------------------------------------------- */
614: /* if( strcasecmp(g_prog_name,"capacheckin") == 0 ) { */
615: if( g_run_mode == M_CHECKIN ) { /* capa_checkin */
616: time(&curtime); time_str = ctime(&curtime);
617: time_str[ strlen(time_str)-1 ] = 0;
618: envPtr=getenv("REMOTE_HOST");
619: if(!envPtr) {
620: fprintf(stdout,"<!-- Enviroment variable REMOTE_HOST not set.-->\n");
621: envPtr=getenv("REMOTE_ADDR");
622: if(!envPtr) {
623: fprintf(stdout,"<!-- Enviroment variable REMOTE_ADDR not set.-->\n");
624: envPtr=UNKNOWN;
625: error |= 32;
626: }
627: }
628: #ifdef CGI_DBUG
629: fprintf(g_cgi,"DONE: REMOTE_HOST\n"); fflush(g_cgi);
630: #endif /* CGI_DBUG */
631:
632: envPtr2=getenv("HTTP_USER_AGENT");
633: if(!envPtr2) {
634: fprintf(stdout,"<!-- Enviroment variable HTTP_USER_AGENT not set. -->\n");
635: envPtr2=UNKNOWN;
636: error |= 64;
637: }
638: sprintf(log_str,"%s\t%s\t%s\t%s\t%s\n",g_class_name,g_student_number,time_str,envPtr,envPtr2);
639: if (web_log(log_str) == -1 ) {
640: fprintf(stdout,"Unable to log access to the system. Please notify instructor\n.");
641: fprintf(stdout,"No tries have been deducted for the last submission.\n");
642: error |= 128;
643: return error;
644: }
645:
646: }
647: #if defined(NeXT)
648: getwd(g_cwd);
649: #else
650: getcwd(g_cwd,255);
651: #endif
652: web_getclassdir(&g_cpath, &g_cowner, g_class_name);
653: sprintf(g_class_fullpath,"%s/%s",g_cpath,g_class_name);
654: #ifdef CGI_DBUG
655: fprintf(g_cgi,"DONE: getclassdir() [%s]\n",g_class_fullpath); fflush(g_cgi);
656: #endif /* CGI_DBUG */
657: if( !capa_access(g_class_fullpath, F_OK) == 0 ) {
658: fprintf(stdout,"ACCESS: could not access the class directory [%s]!\n",g_class_fullpath);
659: fprintf(stdout,"Please exit the web browser and try accessing the system again\n");
660: fprintf(stdout,"No tries have been deducted for the last submission.\n");
661: fflush(stdout);
662: 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",
663: g_class_fullpath,g_cpath,g_class_name,g_cowner,g_cwd);
664: if (web_log(log_str) == -1 ) {
665: fprintf(stdout,"Unable to log access to the system. Please notify instructor\n.");
666: fflush(stdout);
667: error |= 256;
668: return error;
669: }
670: #ifdef CGI_DBUG
671: fprintf(g_cgi,"NO ACCESS: cannot access() [%s]\n",g_class_fullpath); fflush(g_cgi);
672: #endif /* CGI_DBUG */
673: error |= 512;
674: return (error);
675: }
676: /* ---------------------------------------------------- */
677: /* change working directory to the class */
678: /* ---------------------------------------------------- */
679: chdir(g_class_fullpath); /* before performing any capa*() calls */
680: #ifdef CGI_DBUG
681: fprintf(g_cgi,"DONE cd to [%s]\n",g_class_fullpath); fflush(g_cgi);
682: #endif /* CGI_DBUG */
683:
684: /* Now in proper directory, can log submissions */
685: if ( g_run_mode == M_CHECKANS) {
686: if (w_log_submissions(g_student_number,g_set,submissions_str) == -1 ) {
687: fprintf(stdout,"Unable to log submissions. Please notify instructor\n.");
688: fprintf(stdout,"No tries have been deducted for the last submission.\n");
689: error |= 1024;
690: return error;
691: }
692: }
693:
694: result=read_capa_config("capaweb_cgibin_path",buf);
695: if (result != 0 && result != -1) {
696: g_cgibin_path=capa_malloc(strlen(buf)+1,1);
697: strcpy(g_cgibin_path,buf);
698: } else {
699: g_cgibin_path=capa_malloc(strlen("capa-bin")+1,1);
700: strcpy(g_cgibin_path,"capa-bin");
701: }
702:
703: if( g_entered_pin != 0 ) {
704: g_login_set = capa_PIN(g_student_number,999,g_entered_pin);
705: #ifdef CGI_DBUG
706: fprintf(g_cgi,"Succeed in login to set %d with pin %d\n",g_login_set,g_entered_pin); fflush(g_cgi);
707: #endif /* CGI_DBUG */
708: /* ----------------------------------------------------
709: printf("Your entered capa id %d, login to set %d\n", g_entered_pin, g_login_set);
710: printf("The real capa id for %s is %d\n",g_student_number,capa_PIN(g_student_number,1,0));
711: ---------------------------------------------------- */
712:
713: } else {
714: fprintf(stdout,"CAPA ID entered was zero, this is not valid.\n");
715: fprintf(stdout,"No tries have been deducted for the last submission.\n");
716: fflush(stdout);
717: error |= 2048; return (error);
718: }
719:
720: if (!g_login_set) {
721: fprintf(stdout,"The student ID (%s) or CAPA ID (%d) that you entered \
722: is not listed for the class (%s) that you have selected. Please check that \
723: you have selected the correct class on the CAPA logon page and that the \
724: student ID and CAPA ID are correct.\n",
725: g_student_number, g_entered_pin, g_class_name);
726: fflush(stdout);
727: #ifdef CGI_DBUG
728: fprintf(g_cgi,"CAPA ID or student number is not valid.\n");
729: fflush(g_cgi);
730: #endif /* CGI_DBUG */
731: error |= 4096; return (error);
732: } else {
733: if ( g_login_set > 99 ) {
734: fprintf(stdout,"The student ID (%s) or CAPA ID (%d) that you entered \
735: is not listed for the class (%s) that you have selected. Please check that \
736: you have selected the correct class on the CAPA logon page and that the \
737: student ID and CAPA ID are correct.\n",
738: g_student_number, g_entered_pin, g_class_name);
739: fflush(stdout);
740: #ifdef CGI_DBUG
741: fprintf(g_cgi,"CAPA ID is not valid.\n"); fflush(g_cgi);
742: #endif /* CGI_DBUG */
743: error |= 8192; return (error);
744: }
745: if(g_login_set < g_vset ) {
746: fprintf(stdout,"Your CAPA ID (for set %d) does not allow you to view set %d.\n",g_login_set, g_vset);
747: fflush(stdout);
748: #ifdef CGI_DBUG
749: fprintf(g_cgi,"Login set %d is less than view set %d.\n",g_login_set,g_vset); fflush(g_cgi);
750: #endif /* CGI_DBUG */
751: error |= 16384; return (error);
752: }
753: chdir(g_class_fullpath); /* again, to make sure */
754:
755: if ( capa_get_student(g_student_number,&g_student_data) == 0 ) {
756: fprintf(stdout,"Entered student id is not in the class list.\n");
757: fprintf(stdout,"Please check that have selected the correct class \
758: and have entered you student id correctly.\n");
759: fflush(stdout);
760: #ifdef CGI_DBUG
761: fprintf(g_cgi,"get_student(): Student id not in the classl file.\n"); fflush(g_cgi);
762: #endif /* CGI_DBUG */
763: error |= 32768; return (error);
764: } else {
765: time(&curtime);
766: if (capa_get_header(&header, g_login_set)) {
767: fprintf(stdout,"This problem set is not ready yet.\n");
768: fflush(stdout);
769:
770: #ifdef CGI_DBUG
771: fprintf(g_cgi,"get_header(): Problem set not ready.\n"); fflush(g_cgi);
772: #endif /* CGI_DBUG */
773: error |= 65536; return (error);
774: }
775: capa_mfree(header.weight);
776: capa_mfree(header.partial_credit);
777: /* ===> if (compare_datetime(curtime,header.open_date) < 0 ) { */
778: if( capa_check_date(CHECK_OPEN_DATE,g_student_number,
779: g_student_data.s_sec,g_login_set) < 0 ) {
780: fprintf(stdout,"This set(%d) is not yet open. Please try back later.\n",g_login_set);
781: fflush(stdout);
782: #ifdef CGI_DBUG
783: fprintf(g_cgi,"check_date(): Problem set not open.\n");
784: fflush(g_cgi);
785: #endif /* CGI_DBUG */
786: error |= 131072; return (error);
787: }
788: }
789: }
790: return (error);
791: }
792:
793: /* ============================================================================= */
794: void append_qtext(new_str) char *new_str;
795: {
796: int ii,len;
797: if (new_str==NULL) return;
798: len=strlen(new_str);
799: #ifdef CGI_DBUG
800: fprintf(g_cgi,"before: len %d; g_qchar_cnt %d; g_qsize %d\n",
801: len,g_qchar_cnt,g_qsize);
802: fflush(g_cgi);
803: #endif /* CGI_DBUG */
804: if (g_qchar_cnt+len>g_qsize-1) {
805: char *temp_text;
806: g_qsize=(g_qchar_cnt+len)*2;
807: temp_text=capa_malloc(g_qsize,sizeof(char));
808: strncpy(temp_text,g_question_txt,g_qchar_cnt);
809: capa_mfree(g_question_txt);
810: g_question_txt=temp_text;
811: }
812: for(ii=0;ii<len;ii++) {
813: g_question_txt[g_qchar_cnt+ii]=new_str[ii];
814: }
815: g_qchar_cnt += len;
816: g_question_txt[g_qchar_cnt+1]='\0';
817: #ifdef CGI_DBUG
818: fprintf(g_cgi,"after: len %d; g_qchar_cnt %d; g_qsize %d\n",len,g_qchar_cnt,g_qsize);
819: fflush(g_cgi);
820: #endif /* CGI_DBUG */
821: }
822: void append_stext(new_str) char *new_str;
823: {
824: int ii,len;
825: if (new_str==NULL) return;
826: len=strlen(new_str);
827: #ifdef CGI_DBUG
828: fprintf(g_cgi,"appending status{%s}\nlen %d; g_schar_cnt %d; g_ssize %d\n",
829: new_str,len,g_schar_cnt,g_ssize);
830: fflush(g_cgi);
831: #endif /* CGI_DBUG */
832: if (g_schar_cnt+len>g_ssize-1) {
833: char *temp_text;
834: g_ssize=(g_schar_cnt+len)*2;
835: temp_text=capa_malloc(g_ssize,sizeof(char));
836: strncpy(temp_text,g_status_txt,g_schar_cnt);
837: capa_mfree(g_status_txt);
838: g_status_txt=temp_text;
839: }
840: for(ii=0;ii<len;ii++) {
841: g_status_txt[g_schar_cnt+ii]=new_str[ii];
842: }
843: g_schar_cnt += len;
844: g_status_txt[g_schar_cnt+1]='\0';
845: #ifdef CGI_DBUG
846: fprintf(g_cgi,"len %d; g_schar_cnt %d; g_ssize %d\n",len,g_schar_cnt,g_ssize);
847: fflush(g_cgi);
848: #endif /* CGI_DBUG */
849: }
850: /* ============================================================================= */
851: /* ------------------------------------------------------------
852: printf("ENV<br>\n");
853: printf("SERVER_PROTOCOL:%s<br>",getenv("SERVER_PROTOCOL"));
854: printf("PATH_INFO:%s<br>",getenv("PATH_INFO"));
855: printf("PATH_TRANSLATED:%s<br>\n",getenv("PATH_TRANSLATED"));
856: printf("SCRIPT_NAME:%s<br>\n",getenv("SCRIPT_NAME"));
857: printf("QUERY_STRING:%s<br>\n",getenv("QUERY_STRING"));
858: printf("REMOTE_HOST:%s<br>\n",getenv("REMOTE_HOST"));
859: printf("REMOTE_USER:%s<br>\n",getenv("REMOTE_USER"));
860: printf("REMOTE_IDENT:%s<br>\n",getenv("REMOTE_IDENT"));
861: printf("USER_AGENT:%s<br>\n",getenv("USER_AGENT"));
862: printf("HTTP_USER_AGENT:%s<br>\n",getenv("HTTP_USER_AGENT"));
863: ------------------------------------------------------------
864: */
865:
866: /* ------------------------------------------------------ */
867: /* A class directory must have */
868: /* records/ */
869: /* */
870: /* returns: 0 structure is correct, but no set.db files */
871: /* -1 structure is not correct */
872: /* >=1 the last set.db */
873:
874: int
875: check_class_get_maxset(dir_path) char *dir_path;
876: {
877: char f_name[1024];
878: int set;
879:
880: if( capa_access(dir_path, F_OK) == 0 ) { /* class dir exists */
881: sprintf(f_name,"%s/records",dir_path);
882: if( capa_access(f_name, F_OK) == 0 ) { /* class/records dir exists */
883: for(set = 1; ; set++ ) {
884: sprintf(f_name,"%s/records/set%d.db",dir_path,set);
885: if(capa_access(f_name, F_OK) == -1 ) break;
886: }
887: set--;
888: } else {
889: set = -1;
890: }
891: } else {
892: set = -1;
893: }
894: return (set);
895: }
896:
897: /* ------------------------------------------------------------------------- */
898: /* Get Exam and Quiz Path */
899: /* return 0, 1, 2, 3 */
900: /* 0: Neither exist */
901: /* 1: Exam.path exists */
902: /* 2: Quiz.path exists */
903: /* 3: Both Exam.path and Quiz.path exists */
904: /* ------------------------------------------------------------------------- */
905: int
906: check_exam_quiz_path()
907: {
908: char buf[MAX_BUFFER_SIZE];
909: int result = 0, configResult=0;
910:
911: configResult=read_capa_config("exam_path",buf);
912: if (configResult != 0 && configResult != -1) {
913: g_exam_set = check_class_get_maxset(buf);
914: if(g_exam_set > 0 ) {
915: result = 1;
916: sprintf(g_exam_path,buf);
917: }
918: }
919: configResult=read_capa_config("quiz_path",buf);
920: if (configResult != 0 && configResult != -1) {
921: g_quiz_set = check_class_get_maxset(buf);
922: if(g_quiz_set > 0 ) {
923: result = (result | 2);
924: sprintf(g_quiz_path,buf);
925: }
926: }
927: return (result);
928: }
929:
930:
931: int
932: check_termscore_option()
933: {
934: char buf[MAX_BUFFER_SIZE];
935: int result = 0, configResult=0;
936:
937: configResult=read_capa_config("term_score_applet",buf);
938: if (configResult != 0 && configResult != -1) {
939: fprintf(stdout,"<!-- term_score_applet is in capa.config file -->\n");
940: if (strcasecmp(buf,"yes")==0) {
941: fprintf(stdout,"<!-- term_score_applet is YES -->\n");
942: result=1;
943: }
944: }
945: return (result);
946: }
947:
948:
949:
950:
951: /* ============================================================================= */
952: void
953: print_mainmenu(class,sn,pin)char *class; char *sn;int pin;
954: {
955: char buf[MAX_BUFFER_SIZE];
956: int outcome,configResult,term_summary_button=1;
957: char *serverName;
958:
959: serverName=getenv("SERVER_NAME");
960: if (!serverName) {
961: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
962: fprintf(stdout,"Unable to complete actions.\n");
963: return;
964: }
965:
966: fprintf(stdout,"<TITLE>%s main menu</TITLE>\n",g_class_name);
967: fprintf(stdout,"<h3>%s</h3><br>\n",g_student_name);
968: fprintf(stdout,"<menu>\n");
969: fprintf(stdout,"<li><form method=\"get\" action=\"http://%s/CAPA/help.html\">",serverName);
970: fprintf(stdout,"<input type=\"submit\" value=\"Help\" ></form>\n");
971:
972: fprintf(stdout,"<li><form method=\"post\" ");
973: /* fprintf(stdout," target=\"right_frame\" "); */
974: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
975: fprintf(stdout,"%s\n", buf);
976: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
977: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
978: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
979: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
980: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",1);
981: fprintf(stdout,"<input type=\"submit\" value=\"Try current set\" ></form>\n");
982:
983: fprintf(stdout,"<li><form method=\"post\" ");
984: /* fprintf(stdout," target=\"right_frame\" "); */
985: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
986: fprintf(stdout,"%s\n", buf);
987: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
988: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
989: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
990: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
991: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",1);
992: fprintf(stdout,"<input type=\"submit\" value=\"View previous set:\" >");
993: fprintf(stdout,"<b> set:</b><input name=\"VSET\" value=\"\" size=4></form>\n");
994:
995: /*Term Summary*/
996: configResult=read_capa_config("term_summary_button",buf);
997: if (configResult != 0 && configResult != -1 ) {
998: if (strcasecmp(buf,"no")==0) {
999: term_summary_button=0;
1000: }
1001: }
1002: if (term_summary_button) {
1003: fprintf(stdout,"<li><form method=\"post\" ");
1004: /* fprintf(stdout," target=\"right_frame\" "); */
1005: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1006: fprintf(stdout,"%s\n", buf);
1007: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1008: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1009: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1010: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWSUMM);
1011: fprintf(stdout,"<input type=\"submit\" value=\"Display term summary\" ></form>\n");
1012: }
1013:
1014: outcome = check_exam_quiz_path();
1015: if( outcome & 1 ) { /* exam summary */
1016: fprintf(stdout,"<li><form method=\"post\" ");
1017: /* fprintf(stdout," target=\"right_frame\" "); */
1018: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1019: fprintf(stdout,"%s\n", buf);
1020: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1021: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1022: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1023: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_EXAMSUMM);
1024: fprintf(stdout,"<input type=\"submit\" value=\"Display Exam summary\" ></form>\n");
1025: }
1026: if( outcome & 2 ) { /* Quiz summary */
1027: fprintf(stdout,"<li><form method=\"post\" ");
1028: /* fprintf(stdout," target=\"right_frame\" "); */
1029: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1030: fprintf(stdout,"%s\n", buf);
1031: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1032: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1033: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1034: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\" >\n",M_QUIZSUMM );
1035: fprintf(stdout,"<input type=\"submit\" value=\"Display Quiz summary\" ></form>\n");
1036: }
1037: outcome = check_termscore_option();
1038: fprintf(stdout,"<!-- Outcome of check_termscore_option()=%d -->\n",outcome);
1039: /*Termscore Button*/
1040: if( outcome ) {
1041: fprintf(stdout,"<li><form method=\"post\" ");
1042: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1043: fprintf(stdout,"%s\n", buf);
1044: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class);
1045: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn);
1046: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin);
1047: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\" >\n",M_TERMSCORE );
1048: fprintf(stdout,"<input type=\"submit\" value=\"Extrapolate Term score\" ></form>\n");
1049: }
1050: /*Exit Button*/
1051: fprintf(stdout,"<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
1052: fprintf(stdout,"<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
1053:
1054: fprintf(stdout,"</menu>\n"); fflush(stdout);
1055:
1056: }
1057:
1058: /* ====================================================================================== */
1059: void
1060: print_page_header(mode,num_quest) int mode;int num_quest;
1061: {
1062: char buf[MAX_BUFFER_SIZE], discussdir[MAX_BUFFER_SIZE];
1063: char *serverName;
1064: int configResult,term_summary_button=1;
1065:
1066: serverName=getenv("SERVER_NAME");
1067: if (!serverName) {
1068: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
1069: fprintf(stdout,"Unable to complete actions.\n");
1070: return;
1071: }
1072:
1073: /* now done in the .qz file
1074: fprintf(stdout,"<TITLE>%s set%d</TITLE>",g_class_name,g_login_set);
1075: if( mode == VIEW_PREVIOUS_MODE ) {
1076: fprintf(stdout,"<H2>%s set%d</H2>\n",g_class_name,g_vset);
1077: } else {
1078: fprintf(stdout,"<H2>%s set%d</H2>\n",g_class_name,g_login_set);
1079: }
1080: fprintf(stdout,"<H3>%s</H3>\n",g_student_data.s_nm);
1081: */
1082:
1083: fprintf(stdout,"<A NAME=\"TOP\"></A>");
1084: fprintf(stdout,"<TABLE cellpadding=0 cellspacing=0 border=0>\n<TR><TD>");
1085:
1086:
1087: /*Term summary button*/
1088: configResult=read_capa_config("term_summary_button",buf);
1089: if (configResult != 0 && configResult != -1 ) {
1090: if (strcasecmp(buf,"no")==0) {
1091: term_summary_button=0;
1092: }
1093: }
1094: #ifdef CGI_DBUG
1095: fprintf(g_cgi,"buf: %s\ntermsum: %d\n",buf,term_summary_button); fflush(g_cgi);
1096: #endif /* CGI_DBUG */
1097:
1098: if (term_summary_button) {
1099: fprintf(stdout,"<form method=\"post\" ");
1100: sprintf(buf,"action=\"http://%s/%s/capahtml\">",serverName,g_cgibin_path);
1101: fprintf(stdout,"%s\n", buf);
1102: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1103: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1104: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1105: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWSUMM);
1106: fprintf(stdout,"<input type=\"submit\" value=\"Term summary\" ></form></TD>\n");
1107: }
1108:
1109: /*Exit Button*/
1110: fprintf(stdout,"<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
1111: fprintf(stdout,"<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
1112: /*help button*/
1113: if (mode != VIEW_PREVIOUS_MODE) {
1114: fprintf(stdout,"<TD><form method=\"get\" action=\"http://%s/CAPA/help.html\">",serverName);
1115: fprintf(stdout,"<input type=\"submit\" value=\"Help\"></form></TD>");
1116: }
1117:
1118: /*Reload button*/
1119: fprintf(stdout,"<TD><form method=\"post\" ");
1120: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1121: fprintf(stdout,"%s\n", buf);
1122: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1123: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1124: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1125: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question);
1126: if (mode == VIEW_PREVIOUS_MODE ) {
1127: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1128: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1129: } else {
1130: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1131: }
1132: fprintf(stdout,"<input type=\"submit\" value=\"Reload\" >\n</form></TD>");
1133: #ifdef NOT_DEFINED
1134: /* Next Button */
1135: if ( (!(g_num_questions_per_page==ALL_QUESTIONS)) &&
1136: ((g_num_questions_per_page+g_start_question)<num_quest)) {
1137: fprintf(stdout,"<TD><form method=\"post\" ");
1138: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1139: fprintf(stdout,"%s\n", buf);
1140: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1141: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1142: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1143: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question+g_num_questions_per_page);
1144: if (mode == VIEW_PREVIOUS_MODE ) {
1145: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1146: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1147: } else {
1148: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1149: }
1150: fprintf(stdout,"<input type=\"submit\" value=\"Next Page\" >\n</form></TD>");
1151: }
1152:
1153: /* Previous Button */
1154: if ( (!(g_num_questions_per_page==ALL_QUESTIONS)) && (g_start_question > 1)) {
1155: fprintf(stdout,"<TD><form method=\"post\" ");
1156: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1157: fprintf(stdout,"%s\n", buf);
1158: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1159: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1160: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1161: fprintf(stdout,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question-g_num_questions_per_page);
1162: if (mode == VIEW_PREVIOUS_MODE ) {
1163: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1164: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1165: } else {
1166: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1167: }
1168: fprintf(stdout,"<input type=\"submit\" value=\"Previous Page\" >\n</form></TD>");
1169: }
1170: #endif
1171: /* Goto Button */
1172: if (!(g_num_questions_per_page==ALL_QUESTIONS)) {
1173: int idx,numquest;
1174: T_header header;
1175: fprintf(stdout,"<TD><form method=\"post\" ");
1176: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
1177: fprintf(stdout,"%s\n", buf);
1178: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1179: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1180: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1181: fprintf(stdout,"<input type=\"submit\" value=\"Goto\" >");
1182: fprintf(stdout,"<b>Problem:</b><input name=\"STARTNUM\" value=\"\" size=4>\n");
1183: if (mode == VIEW_PREVIOUS_MODE ) {
1184: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_VIEWPREV);
1185: fprintf(stdout,"<input type=\"hidden\" name=\"VSET\" value=\"%d\" size=4>\n",g_vset);
1186: } else {
1187: fprintf(stdout,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_TRYSET);
1188: }
1189:
1190: if (!capa_get_header(&header, g_login_set)) {
1191: numquest=atoi(header.num_questions);
1192: capa_mfree(header.weight);
1193: capa_mfree(header.partial_credit);
1194: for(idx=0;idx<numquest;idx++) {
1195: preserve_last_answer(idx,1);
1196: }
1197: }
1198: fprintf(stdout,"</form></TD>");
1199: }
1200:
1201: /*Discuss Button*/
1202:
1203: sprintf(discussdir,"%s/discussion/%d",g_class_fullpath,g_login_set);
1204: if ( access(discussdir,F_OK) == 0 ) {
1205: fprintf(stdout,"<TD><form method=\"post\" ");
1206: sprintf(buf,"action=\"http://%s/%s/%s/capadiscuss\">",serverName,g_cgibin_path,g_cowner);
1207: fprintf(stdout,"%s\n", buf);
1208: fprintf(stdout,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
1209: fprintf(stdout,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
1210: fprintf(stdout,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
1211: fprintf(stdout,"<input type=\"hidden\" name=\"SETID\" value=\"%d\">\n",g_login_set);
1212: fprintf(stdout,"<input type=\"submit\" value=\"Discuss\" >\n</form></TD>");
1213: }
1214:
1215: fprintf(stdout,"\n</TR></TABLE>\n");
1216: fflush(stdout);
1217: }
1218:
1219: void create_status_line(int mode,int question_cnt, T_entry* entry)
1220: {
1221: char buf[MAX_BUFFER_SIZE];
1222: int idx,configResult,status_line_length;
1223:
1224: configResult=read_capa_config("web_status_line_length",buf);
1225: if (configResult != 0 && configResult != -1 ) {
1226: if (sscanf(buf,"%d",&status_line_length)==0) {
1227: status_line_length=question_cnt;
1228: }
1229: } else {
1230: status_line_length=question_cnt;
1231: }
1232:
1233: append_stext("<TABLE cellpadding=0 cellspacing=0 border=0><TR>");
1234: append_stext("<TD><b><u>Go to problem</u> </b></TD><TD></TD>");
1235: for(idx=0; idx < status_line_length;idx++ ) {
1236: sprintf(buf,"<TD ALIGN=center VALIGN=bottom>[%d]</TD>",idx+1);
1237: append_stext(buf);
1238: }
1239: for(idx = 0; idx < question_cnt; idx++ ) {
1240: if ( !(idx%status_line_length) ) {
1241: sprintf(buf,"</TR><TR><TD ALIGN=left>%d-%d</TD><TD ALIGN=right>Status: </TD>",
1242: idx+1,idx+status_line_length);
1243: append_stext(buf);
1244: }
1245: if ((idx >= g_start_question-1) &&
1246: (((g_num_questions_per_page == ALL_QUESTIONS)) ||
1247: (idx < (g_start_question+g_num_questions_per_page-1)))) {
1248: sprintf(buf,"<TD ALIGN=center VALIGN=bottom><A href=\"#P%d\">",idx+1);
1249: } else {
1250: sprintf(buf,"<TD ALIGN=center VALIGN=bottom>");
1251: }
1252: append_stext(buf);
1253: if ( (mode == CHECK_ANSWER_MODE) && g_log_string[idx] == '-') {
1254: if (g_inhibit_response && (entry->answers[idx]!='-')) {
1255: sprintf(buf,"A");
1256: } else {
1257: sprintf(buf,"%c",entry->answers[idx]);
1258: }
1259: } else {
1260: if (g_inhibit_response && (entry->answers[idx]!='-')) {
1261: sprintf(buf,"<b>A</b>");
1262: } else {
1263: if ( mode == CHECK_ANSWER_MODE ) {
1264: sprintf(buf,"<b>%c</b>",g_log_string[idx]);
1265: } else {
1266: sprintf(buf,"<b>%c</b>",entry->answers[idx]);
1267: }
1268: }
1269: }
1270: append_stext(buf);
1271: if ((idx >= g_start_question-1) &&
1272: (((g_num_questions_per_page == ALL_QUESTIONS)) ||
1273: (idx < (g_start_question+g_num_questions_per_page-1)))) {
1274: sprintf(buf,"</A></TD>");
1275: } else {
1276: sprintf(buf,"</TD>");
1277: }
1278: append_stext(buf);
1279: }
1280: append_stext("</TR></TABLE>\n");
1281: }
1282:
1283: /* -------------------------------- called by try set, view previous, check answer */
1284: void
1285: print_quizz(class_dir,c_owner,class,sn,pin,set,mode)
1286: char *class_dir; char *c_owner;char *class;char *sn;int pin;int set;int mode;
1287: {
1288: extern int Parsemode_f;
1289: extern char *StartText_p;
1290: extern char *EndText_p;
1291: Problem_t *first_prob, *prob_idx;
1292: int result, question_idx, question_cnt, idx, view_assignment_after_due=1;
1293: int q_leng, display_ans=1, configResult;
1294: int view_assignments_after_due=1;
1295: char buf[MAX_BUFFER_SIZE];
1296: char class_fullpath[FILE_NAME_LENGTH];
1297: T_entry entry;
1298: T_header header;
1299: long offset;
1300: double a;
1301: char cmp_ans[MAX_BUFFER_SIZE],date_str[DATE_BUFFER];
1302: time_t curtime;
1303: char *serverName;
1304:
1305: serverName=getenv("SERVER_NAME");
1306: if (!serverName) {
1307: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
1308: fprintf(stdout,"Unable to complete actions.\n");
1309: return;
1310: }
1311:
1312: sprintf(class_fullpath,"%s/%s",class_dir,class);
1313:
1314: /*
1315: chdir(class_fullpath);
1316: */
1317: #ifdef CGI_DBUG
1318: fprintf(g_cgi,"enter print_quizz() %s, mode:%d\n",class_fullpath,mode); fflush(g_cgi);
1319: #endif /* CGI_DBUG */
1320:
1321: /* get configuration options */
1322: configResult=read_capa_config("num_questions_per_page",buf);
1323: if (configResult != 0 && configResult != -1 ) {
1324: if (sscanf(buf,"%d",&g_num_questions_per_page)==0) {
1325: g_num_questions_per_page=ALL_QUESTIONS;
1326: }
1327: } else {
1328: g_num_questions_per_page=ALL_QUESTIONS;
1329: }
1330:
1331: view_assignments_after_due=capa_check_option(OPTION_VIEW_PROBLEMS_AFTER_DUE,
1332: set,g_student_data.s_sec);
1333: if (view_assignments_after_due < 0 ) view_assignments_after_due=1;
1334: g_inhibit_response=capa_check_option(OPTION_INHIBIT_RESPONSE,set,g_student_data.s_sec);
1335: if (g_inhibit_response < 0 ) g_inhibit_response=0;
1336:
1337: #ifdef CGI_DBUG
1338: fprintf(g_cgi,"Set %d, Section%d, ViewAssign? %d, Inhibit Resp? %d\n",set,
1339: g_student_data.s_sec,view_assignments_after_due,
1340: g_inhibit_response);
1341: fflush(g_cgi);
1342: #endif /* CGI_DBUG */
1343:
1344: time(&curtime);
1345: offset=capa_get_entry(&entry,sn,set); /* <-------- capa*() call ---- */
1346: if( mode == VIEW_PREVIOUS_MODE ) {
1347: if( view_assignment_after_due ) {
1348: if( capa_check_date(CHECK_OPEN_DATE,g_student_number,
1349: g_student_data.s_sec,set) < 0 ) {
1350: append_qtext("This set is not yet open.\n");
1351: return ;
1352: }
1353: } else {
1354: if( (capa_check_date(CHECK_ANS_DATE,g_student_number,
1355: g_student_data.s_sec,set) < 0) &&
1356: (capa_check_date(CHECK_DUE_DATE,g_student_number,
1357: g_student_data.s_sec,set) > 0) ) {
1358: append_qtext("This set is not yet available to be viewed.\n");
1359: return ;
1360: }
1361: }
1362: if( capa_check_date(CHECK_ANS_DATE,g_student_number,
1363: g_student_data.s_sec,set) < 0 ) {
1364: display_ans = 0;
1365: }
1366: }
1367: g_passdue = 0;
1368: if( mode == CHECK_ANSWER_MODE ||
1369: ( (!view_assignment_after_due) && mode == TRY_SET_MODE)) {
1370: if( capa_check_date(CHECK_DUE_DATE,g_student_number,
1371: g_student_data.s_sec,set) > 0 ) {
1372: capa_get_date(CHECK_DUE_DATE,g_student_number,
1373: g_student_data.s_sec,set,date_str);
1374: sprintf(buf,"SORRY, the due date was: %s\n",date_str);
1375: append_qtext(buf);
1376: g_passdue = 1;
1377: }
1378: }
1379:
1380: if ((mode==CHECK_ANSWER_MODE) || (mode== TRY_SET_MODE))
1381: capa_set_login_time(g_student_number,set);
1382:
1383: capa_get_header(&header,set);
1384:
1385: sscanf(header.num_questions,"%d",&question_cnt);
1386: print_page_header(mode,question_cnt);
1387:
1388: #ifdef CGI_DBUG
1389: fprintf(g_cgi,"DONE page header\n"); fflush(g_cgi);
1390: #endif /* CGI_DBUG */
1391:
1392: if(offset < 0 ) offset = - offset;
1393:
1394: Parsemode_f = HTML_MODE; /* WEB_MODE */
1395: result = capa_parse(set, &first_prob, sn, &question_cnt,NULL); /* <-- capa*() call */
1396:
1397: #ifdef CGI_DBUG
1398: fprintf(g_cgi,"DONE capa_parse() [%d], pass due=%d\n",result,g_passdue); fflush(g_cgi);
1399: #endif /* CGI_DBUG */
1400:
1401: if (StartText_p) printf(StartText_p);
1402:
1403: #ifdef CGI_DBUG
1404: fprintf(g_cgi,"DONE Start Text\n"); fflush(g_cgi);
1405: #endif /* CGI_DBUG */
1406:
1407: if ( result != 0 ) {
1408: if( !g_passdue ) {
1409: append_qtext("<FORM method=\"post\" ");
1410: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,
1411: g_cgibin_path,c_owner);
1412: append_qtext(buf);
1413: sprintf(buf,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",class); append_qtext(buf);
1414: sprintf(buf,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",sn); append_qtext(buf);
1415: sprintf(buf,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",pin); append_qtext(buf);
1416: sprintf(buf,"<input type=\"hidden\" name=\"SET\" value=\"%d\">\n",set); append_qtext(buf);
1417: sprintf(buf,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_CHECKANS); append_qtext(buf);
1418: sprintf(buf,"<input type=\"hidden\" name=\"STARTNUM\" value=\"%d\">\n",g_start_question); append_qtext(buf);
1419: append_qtext("\n<OL>\n");
1420: }
1421:
1422: for(idx=0;idx<question_cnt;idx++) { /* prepare log string and new database entry */
1423: g_new_answerdb[idx] = entry.answers[idx];
1424: g_log_string[idx] = '-';
1425: sscanf(entry.tries + 3*idx,"%d,",&(g_tried[idx]) );
1426: }
1427: g_new_answerdb[question_cnt]=0; g_log_string[question_cnt]=0;
1428: prob_idx = first_prob;
1429: for( question_idx = 0; question_idx < question_cnt;
1430: question_idx++,prob_idx = prob_idx->next ) {
1431: #ifdef CGI_DBUG
1432: fprintf(g_cgi,"quetion_idx: %d, g_start_question:%d, g_num_que: %d\n",
1433: question_idx,g_start_question,g_num_questions_per_page); fflush(g_cgi);
1434: #endif /* CGI_DBUG */
1435: if ((question_idx < g_start_question-1)
1436: ||
1437: (((!(g_num_questions_per_page == ALL_QUESTIONS))
1438: &&
1439: (question_idx >= (g_start_question+g_num_questions_per_page-1))))) {
1440: preserve_last_answer(question_idx,0);
1441: continue;
1442: }
1443: if( !g_passdue ) {
1444: sprintf(buf,"<A NAME=\"P%d\"></A>",question_idx+1); append_qtext(buf);
1445: /* if (!((question_idx == (g_start_question-1)) || (question_idx == 0))) {
1446: append_qtext("<A href=\"#TOP\">Top</A>");
1447: sprintf(buf," <A href=\"#P%d\">Next</A>",question_idx+2); append_qtext(buf);
1448: }*/
1449: if (prob_idx->question != NULL) {
1450: q_leng = strlen(prob_idx->question);
1451: if ( !prob_idx->show_br ) {
1452: append_qtext(prob_idx->question);
1453: } else {
1454: for(idx=0;idx<q_leng;idx++) {
1455: if ( g_qchar_cnt+2 >= g_qsize ) {
1456: char *temp_text;
1457: g_qsize=g_qchar_cnt*2;
1458: temp_text=capa_malloc(g_qsize,sizeof(char));
1459: strncpy(temp_text,g_question_txt,g_qsize);
1460: capa_mfree(g_question_txt);
1461: g_question_txt=temp_text;
1462: }
1463: g_question_txt[g_qchar_cnt]=prob_idx->question[idx];
1464: g_qchar_cnt++;
1465: if(prob_idx->question[idx] == '\n' ) {
1466: append_qtext("<br>\n");
1467: }
1468: }
1469: }
1470: }
1471: }
1472: if(mode == VIEW_PREVIOUS_MODE) { /* VIEW_PREVIOUS_MODE */
1473: if( display_ans ) {
1474: if( prob_idx->ans_type == ANSWER_IS_FLOAT ) {
1475: a = (double)atof(prob_idx->answer);
1476: sprintf(cmp_ans,prob_idx->ans_fmt, a);
1477: } else {
1478: strcpy(cmp_ans,prob_idx->answer);
1479: }
1480: if( prob_idx->ans_unit ) {
1481: sprintf(buf,"<p><tt><b>Answer:</b> %s %s</tt><br>\n",cmp_ans, prob_idx->unit_str);
1482: } else {
1483: sprintf(buf,"<p><tt><b>Answer:</b> %s</tt><br>\n",cmp_ans);
1484: }
1485: append_qtext(buf);
1486: if ( prob_idx->explain) {
1487: sprintf(buf,"<p><b>Explanation: </b>\n<p>%s<br>\n",prob_idx->explain);
1488: append_qtext(buf);
1489: }
1490: }
1491: } else { /* could be TRY_SET_MODE, CHECK_ANSWER_MODE */
1492:
1493: if( g_passdue ) {
1494: get_response(header.partial_credit[question_idx],entry.answers[question_idx],question_idx,prob_idx);
1495: }else{
1496: if (g_inhibit_response) {
1497: print_inhibited_response(header.partial_credit[question_idx],entry.answers[question_idx],question_idx,prob_idx);
1498: } else {
1499: print_response(header.partial_credit[question_idx],entry.answers[question_idx],question_idx,prob_idx);
1500: }
1501: append_qtext("<br>\n");
1502: if( (g_tried[question_idx] >= prob_idx->show_hint) ||
1503: (entry.answers[question_idx]=='Y') ||
1504: (entry.answers[question_idx]=='y')) {
1505: if( prob_idx->hint ) {
1506: sprintf(buf,"<p><B>Hint: </B>%s\n<br>\n", prob_idx->hint);
1507: append_qtext(buf);
1508: }
1509: }
1510: }
1511: }
1512: } /* ------------------------------------- end displaying each problem */
1513: append_qtext("\n</OL>\n");
1514: if( EndText_p ) append_qtext(EndText_p);
1515: free_problems(first_prob);
1516:
1517: #ifdef CGI_DBUG
1518: fprintf(g_cgi,"End display each problem\n"); fflush(g_cgi);
1519: #endif /* CGI_DBUG */
1520:
1521: if( mode == CHECK_ANSWER_MODE ) { /* update the record database */
1522: if( !g_passdue ) {
1523: for(idx=0;idx<question_cnt;idx++){
1524: if( g_new_answerdb[idx] != entry.answers[idx]) {
1525: entry.answers[idx] = g_new_answerdb[idx];
1526: }
1527: if(g_tried[idx] < 10 ) {
1528: entry.tries[3*idx] = ' ';
1529: entry.tries[3*idx+1] = g_tried[idx] + '0';
1530: if(idx < question_cnt-1) entry.tries[3*idx+2] = ',';
1531: } else {
1532: entry.tries[3*idx] = (int)(g_tried[idx]/10) + '0';
1533: entry.tries[3*idx+1] = (g_tried[idx] % 10) + '0';
1534: if(idx < question_cnt-1) entry.tries[3*idx+2] = ',';
1535: }
1536: }
1537: capa_set_entry(&entry,sn,set,offset); /* <-------- capa*() call */
1538:
1539: #ifdef CGI_DBUG
1540: fprintf(g_cgi,"DONE set db entry\n"); fflush(g_cgi);
1541: #endif /* CGI_DBUG */
1542:
1543: create_status_line(mode,question_cnt,&entry);
1544: }
1545: if (w_log_attempt(g_student_number,set,g_log_string) == -1 ) {
1546: fprintf(stdout,"<BOLD>Unable to log attempt. Please notify instructor.</BOLD>\n");
1547: }
1548: }
1549: #ifdef CGI_DBUG
1550: fprintf(g_cgi,"DONE check answer mode\n"); fflush(g_cgi);
1551: #endif /* CGI_DBUG */
1552:
1553: if( (mode == TRY_SET_MODE && !g_passdue) ||
1554: mode == VIEW_PREVIOUS_MODE) {
1555: create_status_line(mode,question_cnt,&entry);
1556: }
1557:
1558: if( !g_passdue ) {
1559: sprintf(buf,"</ul></form>\n"); append_qtext(buf);
1560: }
1561: }
1562: }
1563:
1564: /*if the assignment is passedue we come here to get what the answer was just in case*/
1565: void
1566: get_response(char pcr,char u_db,int q_idx,Problem_t *p)
1567: {
1568: if( pcr == '0' || p->ans_type==ANSWER_IS_SUBJECTIVE ) { /* not hand-graded question */
1569: switch(u_db) { /* what's from the user record */
1570: case 'Y': break;
1571: case 'y': break;
1572: case '-':
1573: if(g_stu_ans_pp[q_idx+1] != NULL ) log_user_ans(q_idx,p);
1574: break;
1575: case 'E':
1576: case 'e': break;
1577: case 'n': break;
1578: case 'N':
1579: case '0': case '1': case '2': case '3': case '4':
1580: case '5': case '6': case '7': case '8': case '9':
1581: if(g_stu_ans_pp[q_idx+1] != NULL ) log_user_ans(q_idx,p);
1582: break;
1583: default:
1584: break;
1585: }
1586: }
1587: }
1588:
1589: void display_last_answer(int q_idx)
1590: {
1591: char buf[MAX_BUFFER_SIZE];
1592: StudentAnswer_t *sa_p;
1593: #ifdef CGI_DBUG
1594: fprintf(g_cgi,"Enter display_last_answer() [%d]\n",q_idx); fflush(g_cgi);
1595: #endif /* CGI_DBUG */
1596: if(g_stu_ans_pp[q_idx+1] != NULL) {
1597: sa_p=g_stu_ans_pp[q_idx+1];
1598: } else {
1599: if (g_last_ans_pp[q_idx+1] != NULL) {
1600: sa_p=g_last_ans_pp[q_idx+1];
1601: } else {
1602: return;
1603: }
1604: }
1605: if (sa_p->a_next == NULL) {
1606: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d\" value=\"%s\">\n",
1607: q_idx+1,sa_p->a_str);
1608: append_qtext(buf);
1609: sprintf(buf," <b>Last Answer:</b> %s\n",sa_p->a_str);
1610: append_qtext(buf);
1611: } else {
1612: while(sa_p) {
1613: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d,%02d\" value=\"%s\">\n",
1614: q_idx+1,sa_p->a_idx,sa_p->a_str);
1615: append_qtext(buf);
1616: sprintf(buf," <b>Last Answer %d:</b> %s\n",sa_p->a_idx,sa_p->a_str);
1617: append_qtext(buf);
1618: sa_p=sa_p->a_next;
1619: }
1620: }
1621: }
1622:
1623: void preserve_last_answer(int q_idx,int print)
1624: {
1625: char buf[MAX_BUFFER_SIZE];
1626: StudentAnswer_t *sa_p;
1627: #ifdef CGI_DBUG
1628: fprintf(g_cgi,"Enter preserve_last_answer() [%d]\n",q_idx); fflush(g_cgi);
1629: #endif /* CGI_DBUG */
1630: if(g_stu_ans_pp[q_idx+1] != NULL) {
1631: sa_p=g_stu_ans_pp[q_idx+1];
1632: } else {
1633: if (g_last_ans_pp[q_idx+1] != NULL) {
1634: sa_p=g_last_ans_pp[q_idx+1];
1635: } else {
1636: return;
1637: }
1638: }
1639: if (sa_p->a_next == NULL) {
1640: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d\" value=\"%s\">\n",
1641: q_idx+1,sa_p->a_str);
1642: if (print) printf(buf); else append_qtext(buf);
1643: } else {
1644: while(sa_p) {
1645: sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d,%02d\" value=\"%s\">\n",
1646: q_idx+1,sa_p->a_idx,sa_p->a_str);
1647: if (print) printf(buf); else append_qtext(buf);
1648: sa_p=sa_p->a_next;
1649: }
1650: }
1651: }
1652:
1653: void display_last_subjective(int q_idx)
1654: {
1655: char *buf;
1656: char *answer;
1657: #ifdef CGI_DBUG
1658: fprintf(g_cgi,"Enter display_last_subjective() [%d]\n",q_idx); fflush(g_cgi);
1659: #endif /* CGI_DBUG */
1660: answer=capa_get_subjective(g_login_set,q_idx+1,g_student_number);
1661: if (answer==NULL) return;
1662: #ifdef CGI_DBUG
1663: fprintf(g_cgi,"Found answer %s\n",answer); fflush(g_cgi);
1664: #endif /* CGI_DBUG */
1665: buf=capa_malloc(MAX_BUFFER_SIZE+strlen(answer),1);
1666: /* don't need to stick in a last since we always get it from the files */
1667: /* sprintf(buf,"<input type=\"hidden\" name=\"LAST%02d\" value=\"%s\">\n",q_idx+1,answer);*/
1668: append_qtext(buf);
1669: append_qtext("<b>Current Submission:</b><br>\n");
1670: append_qtext("<TABLE BORDER=1 CELLSPACING=0>\n<TR><TD>\n");
1671: append_qtext("<PRE>");
1672: append_qtext(answer);
1673: append_qtext("</PRE>");
1674: append_qtext("</TD></TR></TABLE>\n");
1675: capa_mfree(buf);
1676: capa_mfree(answer);
1677: }
1678:
1679: void create_answer_area(Problem_t *p,int q_idx)
1680: {
1681: int ii=0;
1682: char buf[MAX_BUFFER_SIZE];
1683: AnswerInfo_t *ai;
1684: #ifdef CGI_DBUG
1685: fprintf(g_cgi,"Enter create_answer_area() [%d]\n",q_idx); fflush(g_cgi);
1686: #endif /* CGI_DBUG */
1687:
1688: if ( p->ans_type==ANSWER_IS_SUBJECTIVE ) {
1689: display_last_subjective(q_idx);
1690: }
1691: if ( p->show_ans_box ) {
1692: if ( p->ans_op == ANS_AND ) {
1693: if (p->ans_type == ANSWER_IS_FORMULA) {
1694: /* first answer is stored in p, the rest are linked off of p->ans_list */
1695: 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);
1696: } else {
1697: 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);
1698: }
1699: append_qtext(buf);
1700: for(ii=1, ai=p->ans_list;ii<p->ans_cnt;ai=ai->ans_next,ii++) {
1701: if (ai->ans_type == ANSWER_IS_FORMULA) {
1702: 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);
1703: } else {
1704: 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);
1705: }
1706: append_qtext(buf);
1707: }
1708: } else { /* single answer, or /OR answers, or subjective answer */
1709: if (p->ans_type == ANSWER_IS_SUBJECTIVE ) {
1710: sprintf(buf,"<p><B>Answer:</B><br><TEXTAREA name=\"INPUT%02d\" rows=\"15\" cols=\"80\"></TEXTAREA>\n",q_idx+1);
1711: } else {
1712: if (p->ans_type == ANSWER_IS_FORMULA) {
1713: sprintf(buf,"<p><B>Answer:</B><input size=80 name=\"INPUT%02d\" value=\"\">\n",q_idx+1);
1714: } else {
1715: sprintf(buf,"<p><B>Answer:</B><input name=\"INPUT%02d\" value=\"\">\n",q_idx+1);
1716: }
1717: }
1718: append_qtext(buf);
1719: }
1720: }
1721: append_qtext("<input type=\"submit\" value=\"Submit All Answers\" >\n");
1722: if ( p->ans_type!=ANSWER_IS_SUBJECTIVE ) {
1723: display_last_answer(q_idx);
1724: }
1725: }
1726:
1727: void
1728: print_response(char pcr,char u_db,int q_idx,Problem_t *p)
1729: {
1730: int a_tpe;
1731: char *c_ans,*response,*answered="Answered",*nycorrect="Not yet correct";
1732: int t_tpe;
1733: double tol;
1734: int sig_l;
1735: int sig_u;
1736: char *a_fmt, *c_answer_str;
1737: int tries;
1738:
1739: char buf[MAX_BUFFER_SIZE];
1740:
1741: a_tpe = p->ans_type;
1742: c_ans = p->answer;
1743: t_tpe = p->tol_type;
1744: tol = p->tolerance;
1745: sig_l = p->sig_lbound;
1746: sig_u = p->sig_ubound;
1747: a_fmt = p->ans_fmt;
1748: tries = p->tries;
1749: response=nycorrect;
1750:
1751: #ifdef CGI_DBUG
1752: fprintf(g_cgi,"Enter print_response() [%c]\n",u_db); fflush(g_cgi);
1753: #endif /* CGI_DBUG */
1754: if( pcr == '0' || a_tpe==ANSWER_IS_SUBJECTIVE ) { /* not hand-graded question */
1755: switch(u_db) { /* this is from the user record */
1756: case 'Y':
1757: c_answer_str = answers_string(ANSWER_STRING_MODE, p);
1758: sprintf(buf,"<p><tt>Correct, computer gets: %s</tt>\n", c_answer_str);
1759: append_qtext(buf);
1760: capa_mfree((char *)c_answer_str);
1761: break;
1762: case 'y':
1763: append_qtext("<p><tt>Hand-graded Correct</tt>\n");
1764: break;
1765: case '-':
1766: if(g_stu_ans_pp[q_idx+1] == NULL ) {
1767: create_answer_area(p,q_idx);
1768: } else {
1769: check_user_ans(q_idx,p);
1770: }
1771: break;
1772: case 'E':
1773: case 'e': append_qtext("<p><tt>Excused</tt>\n"); break;
1774: case 'n': append_qtext("<p><tt>Hand-graded Incorrect</tt>\n"); break;
1775: case '0': case '1': case '2': case '3': case '4':
1776: case '5': case '6': case '7': case '8': case '9':
1777: response=answered;
1778: case 'N':
1779: if(g_stu_ans_pp[q_idx+1] == NULL ) {
1780: if( g_tried[q_idx] < tries) {
1781: create_answer_area(p,q_idx);
1782: if( tries - g_tried[q_idx] == 1) {
1783: sprintf(buf,"<br><tt>%s, ONE try left!!</tt>\n",response);
1784: }else{
1785: sprintf(buf,"<br><tt>%s, tries %d/%d</tt>\n",response,
1786: g_tried[q_idx],tries);
1787: }
1788: append_qtext(buf);
1789: }else{
1790: if (p->ans_type==ANSWER_IS_SUBJECTIVE)
1791: display_last_answer(q_idx);
1792: else
1793: display_last_subjective(q_idx);
1794: append_qtext("<br><tt>No more tries.</tt>\n");
1795: }
1796: } else { /* answering this question */
1797: if( g_tried[q_idx] < tries) {
1798: check_user_ans(q_idx,p);
1799: } else {
1800: if (p->ans_type==ANSWER_IS_SUBJECTIVE)
1801: display_last_answer(q_idx);
1802: else
1803: display_last_subjective(q_idx);
1804: append_qtext("<br><tt>No more tries.</tt>\n");
1805: }
1806: }
1807: break;
1808: }
1809: } else {
1810: append_qtext("<p><tt>Question to be Graded Manually.</tt>\n");
1811:
1812: }
1813:
1814: }
1815:
1816: void
1817: print_inhibited_response(char pcr,char u_db,int q_idx,Problem_t *p)
1818: {
1819: int a_tpe;
1820: char *c_ans;
1821: int t_tpe;
1822: double tol;
1823: int sig_l;
1824: int sig_u;
1825: char *a_fmt;
1826: int tries;
1827: char buf[MAX_BUFFER_SIZE];
1828:
1829: a_tpe = p->ans_type;
1830: c_ans = p->answer;
1831: t_tpe = p->tol_type;
1832: tol = p->tolerance;
1833: sig_l = p->sig_lbound;
1834: sig_u = p->sig_ubound;
1835: a_fmt = p->ans_fmt;
1836: tries = p->tries;
1837:
1838: #ifdef CGI_DBUG
1839: fprintf(g_cgi,"Enter print_inhibited_response() [%c]\n",u_db); fflush(g_cgi);
1840: #endif /* CGI_DBUG */
1841:
1842: if( pcr == '0' || a_tpe==ANSWER_IS_SUBJECTIVE ) { /* not hand-graded question */
1843: switch(u_db) { /* this is from the user record */
1844: case '-':
1845: if(g_stu_ans_pp[q_idx+1] == NULL ) {
1846: create_answer_area(p,q_idx);
1847: } else {
1848: check_inhibited_user_ans(q_idx,p);
1849: }
1850: break;
1851: case 'Y': case 'y':
1852: case 'E': case 'e':
1853: case 'n': case 'N':
1854: case '0': case '1': case '2': case '3': case '4':
1855: case '5': case '6': case '7': case '8': case '9':
1856: if(g_stu_ans_pp[q_idx+1] == NULL ) {
1857: if( g_tried[q_idx] < tries) {
1858: create_answer_area(p,q_idx);
1859: if( tries - g_tried[q_idx] == 1) {
1860: append_qtext("<br><tt>Answered, ONE try left!!</tt>\n");
1861: }else{
1862: sprintf(buf,"<br><tt>Answered, tries %d/%d</tt>\n",g_tried[q_idx],tries);
1863: append_qtext(buf);
1864: }
1865: }else{
1866: if (p->ans_type==ANSWER_IS_SUBJECTIVE)
1867: display_last_answer(q_idx);
1868: else
1869: display_last_subjective(q_idx);
1870: append_qtext("<br><tt>Answered,No more tries.</tt>\n");
1871: }
1872: } else { /* answering this question */
1873: if( g_tried[q_idx] < tries) {
1874: check_inhibited_user_ans(q_idx,p);
1875: } else {
1876: if (p->ans_type==ANSWER_IS_SUBJECTIVE)
1877: display_last_answer(q_idx);
1878: else
1879: display_last_subjective(q_idx);
1880: append_qtext("<br><tt>Answered, No more tries.</tt>\n");
1881: }
1882: }
1883: break;
1884: }
1885: } else {
1886: append_qtext("<p><tt>Question to be Graded Manually.</tt>\n");
1887: }
1888: }
1889:
1890: /* returns a -1 if there were not enough answers, otherwise the number of responses
1891: for the question is returned
1892: !!!!!AS A SIDEEFFECT IT ALSO CROPS ANSWERS TO ANSWER_STRING_LENG!!!!!!!
1893: */
1894: int gather_answers(char ***ans,int q_idx,Problem_t *p)
1895: {
1896: int cnt;
1897: if(p->ans_op==ANS_AND) {
1898: int i; StudentAnswer_t *sa_p;
1899: *ans=(char**)capa_malloc(p->ans_cnt,1);
1900: sa_p= g_stu_ans_pp[q_idx+1];
1901: for(i=0;((i<p->ans_cnt)&&(sa_p));i++){
1902: ans[0][i]=sa_p->a_str;
1903: if ((strlen(ans[0][i])+1) > ANSWER_STRING_LENG) ans[0][i][ANSWER_STRING_LENG]='\0';
1904: sa_p=sa_p->a_next;
1905: }
1906: cnt=p->ans_cnt;
1907: if (i<p->ans_cnt) return -1;
1908: } else {
1909: *ans=(char**)capa_malloc(p->ans_cnt,1);
1910: ans[0][0]=g_stu_ans_pp[q_idx+1]->a_str;
1911: if ((strlen(ans[0][0])+1) > ANSWER_STRING_LENG) ans[0][0][ANSWER_STRING_LENG]='\0';
1912: cnt=1;
1913: }
1914: return cnt;
1915: }
1916:
1917: /*logging user's answer when it is passed due.*/
1918: void
1919: log_user_ans(int q_idx,Problem_t *p)
1920: {
1921: char **ans;
1922: int cnt;
1923: if (p->ans_type==ANSWER_IS_SUBJECTIVE) {
1924: /*capa_set_subjective(g_login_set,q_idx+1,g_student_number,
1925: g_stu_ans_pp[q_idx+1]->a_str);*/
1926: } else {
1927: if (-1 != (cnt=gather_answers(&ans,q_idx,p))) {
1928: switch( capa_check_answers(p,ans,cnt) ) {
1929: case EXACT_ANS: g_log_string[q_idx]='Y'; break;
1930: case APPROX_ANS: g_log_string[q_idx]='Y'; break;
1931: case SIG_FAIL: g_log_string[q_idx]='S'; break;
1932: case UNIT_FAIL: g_log_string[q_idx]='U'; break;
1933: case UNIT_NOTNEEDED: g_log_string[q_idx]='U'; break;
1934: case NO_UNIT: g_log_string[q_idx]='u'; break;
1935: case BAD_FORMULA: g_log_string[q_idx]='F'; break;
1936: case INCORRECT: g_log_string[q_idx]='N'; break;
1937: }
1938: }
1939: }
1940: }
1941:
1942: void submit_subjective(int q_idx,Problem_t *p)
1943: {
1944: char buf[MAX_BUFFER_SIZE];
1945: if (capa_set_subjective(g_login_set,q_idx+1,g_student_number,
1946: g_stu_ans_pp[q_idx+1]->a_str)<0){
1947: sprintf(buf,"<p><tt>Falied to record last submission.</tt><br>\n");
1948: g_tried[q_idx]--;
1949: } else {
1950: sprintf(buf,"<p><tt>Current submission recorded.</tt><br>\n");
1951: g_new_answerdb[q_idx] = '0';
1952: g_log_string[q_idx]='A';
1953: }
1954: append_qtext(buf);
1955: if (g_tried[q_idx]<p->tries) {
1956: create_answer_area(p,q_idx);
1957: if( p->tries - g_tried[q_idx] == 1) {
1958: append_qtext("<br><tt>ONE try left</tt>\n");
1959: }else{
1960: sprintf(buf,"<br><tt>tries %d/%d</tt>\n",g_tried[q_idx],p->tries);
1961: append_qtext(buf);
1962: }
1963: }else{
1964: display_last_answer(q_idx);
1965: append_qtext("<br><tt>No more tries.</tt>\n");
1966: }
1967: }
1968:
1969: void
1970: check_user_ans(int q_idx,Problem_t *p)
1971: {
1972: int a_tpe,cnt;
1973: char *c_ans,**ans;
1974: int t_tpe;
1975: double tol;
1976: int sig_l;
1977: int sig_u;
1978: char *a_fmt;
1979: int tries;
1980: char buf[MAX_BUFFER_SIZE];
1981:
1982: a_tpe = p->ans_type;
1983: t_tpe = p->tol_type;
1984: tol = p->tolerance;
1985: sig_l = p->sig_lbound;
1986: sig_u = p->sig_ubound;
1987: a_fmt = p->ans_fmt;
1988: tries = p->tries;
1989:
1990: #ifdef CGI_DBUG
1991: fprintf(g_cgi,"Enter check_user_ans() anstype=%d\n",a_tpe); fflush(g_cgi);
1992: #endif /* CGI_DBUG */
1993:
1994: g_tried[q_idx]++;
1995:
1996: #ifdef CGI_DBUG
1997: fprintf(g_cgi,"Call capa_check_answer() with [%s]\n",g_stu_ans_pp[q_idx+1]->a_str); fflush(g_cgi);
1998: #endif /* CGI_DBUG */
1999: if (a_tpe==ANSWER_IS_SUBJECTIVE) {
2000: submit_subjective(q_idx,p);
2001: return;
2002: }
2003:
2004: cnt=gather_answers(&ans,q_idx,p);
2005: if (cnt == -1) {
2006: g_tried[q_idx]--;
2007: create_answer_area(p,q_idx);
2008: if( (tries - g_tried[q_idx]) == 1 ) {
2009: append_qtext("<br><tt>Not all answers submitted, ONE try left!!</tt>\n");
2010: }else{
2011: sprintf(buf,"<br><tt>Not all answers submitted, tries %d/%d.</tt>\n",
2012: g_tried[q_idx],tries);
2013: append_qtext(buf);
2014: }
2015: return;
2016: }
2017:
2018: switch( capa_check_answers(p,ans,cnt) ) {
2019: case EXACT_ANS:
2020: case APPROX_ANS:
2021: c_ans=answers_string(ANSWER_STRING_MODE, p);
2022: sprintf(buf,"<p><tt>Yes, Computer gets: %s</tt>\n", c_ans);
2023: append_qtext(buf);
2024: g_new_answerdb[q_idx] = 'Y';
2025: g_log_string[q_idx]='Y';
2026: capa_mfree(c_ans);
2027: break;
2028: case SIG_FAIL:
2029: create_answer_area(p,q_idx);
2030: g_tried[q_idx]--; /* don't count as a try */
2031: sprintf(buf,"<br><tt>Please adjust significant figures, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2032: append_qtext(buf);
2033: g_new_answerdb[q_idx] = 'N';
2034: g_log_string[q_idx]='S';
2035: break;
2036: case UNIT_FAIL:
2037: create_answer_area(p,q_idx);
2038: g_tried[q_idx]--; /* don't count as a try */
2039: sprintf(buf,"<br><tt>Units incorrect, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2040: append_qtext(buf);
2041: g_new_answerdb[q_idx] = 'N';
2042: g_log_string[q_idx]='U';
2043: break;
2044: case UNIT_NOTNEEDED:
2045: create_answer_area(p,q_idx);
2046: g_tried[q_idx]--; /* don't count as a try */
2047: if(tries > 0) {
2048: sprintf(buf,"<br><tt>Only a number required, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2049: append_qtext(buf);
2050: }
2051: g_new_answerdb[q_idx] = 'N';
2052: g_log_string[q_idx]='U';
2053: break;
2054: case NO_UNIT:
2055: create_answer_area(p,q_idx);
2056: g_tried[q_idx]--; /* don't count as a try */
2057: sprintf(buf,"<br><tt>Units required, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2058: append_qtext(buf);
2059: g_new_answerdb[q_idx] = 'N';
2060: g_log_string[q_idx]='u';
2061: break;
2062: case BAD_FORMULA:
2063: create_answer_area(p,q_idx);
2064: g_tried[q_idx]--; /* don't count as a try */
2065: sprintf(buf,"<br><tt>Unable to understand formula, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2066: append_qtext(buf);
2067: g_new_answerdb[q_idx] = 'N';
2068: g_log_string[q_idx]='F';
2069: break;
2070: case INCORRECT:
2071: if( g_tried[q_idx] < tries ) {
2072: create_answer_area(p,q_idx);
2073: if( (tries - g_tried[q_idx]) == 1 ) {
2074: append_qtext("<br><tt>Incorrect, ONE try left!!</tt>\n");
2075: }else{
2076: sprintf(buf,"<br><tt>Incorrect, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2077: append_qtext(buf);
2078: }
2079: } else {
2080: display_last_answer(q_idx);
2081: append_qtext("<br><tt>Incorrect, no more tries.</tt>\n");
2082: }
2083: g_new_answerdb[q_idx] = 'N';
2084: g_log_string[q_idx]='N';
2085: break;
2086: }
2087: }
2088:
2089: void
2090: check_inhibited_user_ans(int q_idx,Problem_t *p)
2091: {
2092: int a_tpe,cnt;
2093: char *c_ans,**ans;
2094: int t_tpe;
2095: double tol;
2096: int sig_l;
2097: int sig_u;
2098: char *a_fmt;
2099: int tries;
2100: char buf[MAX_BUFFER_SIZE];
2101:
2102: a_tpe = p->ans_type;
2103: c_ans = p->answer;
2104: t_tpe = p->tol_type;
2105: tol = p->tolerance;
2106: sig_l = p->sig_lbound;
2107: sig_u = p->sig_ubound;
2108: a_fmt = p->ans_fmt;
2109: tries = p->tries;
2110:
2111: #ifdef CGI_DBUG
2112: fprintf(g_cgi,"Enter check_inhibited_user_ans() anstype=%d\n",a_tpe); fflush(g_cgi);
2113: #endif /* CGI_DBUG */
2114:
2115: g_tried[q_idx]++;
2116:
2117: #ifdef CGI_DBUG
2118: fprintf(g_cgi,"Call capa_check_answer() with [%s]\n",g_stu_ans_pp[q_idx+1]->a_str);
2119: fflush(g_cgi);
2120: #endif /* CGI_DBUG */
2121: if (a_tpe==ANSWER_IS_SUBJECTIVE) {
2122: submit_subjective(q_idx,p);
2123: return;
2124: }
2125:
2126: cnt=gather_answers(&ans,q_idx,p);
2127: if (cnt == -1) {
2128: g_tried[q_idx]--;
2129: create_answer_area(p,q_idx);
2130: if( (tries - g_tried[q_idx]) == 1 ) {
2131: append_qtext("<br><tt>Not all answers submitted, ONE try left!!</tt>\n");
2132: }else{
2133: sprintf(buf,"<br><tt>Not all answers submitted, tries %d/%d.</tt>\n",
2134: g_tried[q_idx],tries);
2135: append_qtext(buf);
2136: }
2137: return;
2138: }
2139:
2140: switch( capa_check_answers(p,ans,cnt) ) {
2141: case EXACT_ANS:
2142: case APPROX_ANS:
2143: g_new_answerdb[q_idx] = 'Y';
2144: g_log_string[q_idx]='Y';
2145: break;
2146: case SIG_FAIL:
2147: g_new_answerdb[q_idx] = 'N';
2148: g_log_string[q_idx]='S';
2149: break;
2150: case UNIT_FAIL:
2151: g_new_answerdb[q_idx] = 'N';
2152: g_log_string[q_idx]='U';
2153: break;
2154: case UNIT_NOTNEEDED:
2155: g_new_answerdb[q_idx] = 'N';
2156: g_log_string[q_idx]='U';
2157: break;
2158: case NO_UNIT:
2159: g_new_answerdb[q_idx] = 'N';
2160: g_log_string[q_idx]='u';
2161: break;
2162: case BAD_FORMULA:
2163: g_new_answerdb[q_idx] = 'N';
2164: g_log_string[q_idx]='F';
2165: break;
2166: case INCORRECT:
2167: g_new_answerdb[q_idx] = 'N';
2168: g_log_string[q_idx]='N';
2169: break;
2170: }
2171:
2172: if( g_tried[q_idx] < tries ) {
2173: create_answer_area(p,q_idx);
2174: if( (tries - g_tried[q_idx]) == 1 ) {
2175: append_qtext("<br><tt>Answered, ONE try left!!</tt>\n");
2176: }else{
2177: sprintf(buf,"<br><tt>Answered, tries %d/%d.</tt>\n",g_tried[q_idx],tries);
2178: append_qtext(buf);
2179: }
2180: } else {
2181: display_last_answer(q_idx);
2182: append_qtext("<br><tt>Answered, no more tries.</tt>\n");
2183: }
2184: }
2185:
2186: void /* RETURNS: (nothing) */
2187: print_summary(class_dir,class,student_number,pin,set)
2188: char *class_dir;char *class;char *student_number;int pin;int set;
2189: { /* LOCAL VARIABLES: */
2190: int set_idx, /* Set counter */
2191: i, /* Question counter */
2192: set_score, /* Score on a set */
2193: term_score=0, /* Total points received */
2194: term_valid=0, /* Total points possible */
2195: result,
2196: tot_num_sets=0;
2197: T_entry entry; /* Database entry for a set */
2198: char buf[MAX_BUFFER_SIZE]; /* Output line buffer */
2199: char buf2[MAX_BUFFER_SIZE]; /* Output line buffer */
2200: T_header header; /* Problem set header */
2201: int question_cnt,valid_wgt, rate,configResult,
2202: status_line_length=DEFAULT_STATUS_LINE_LENGTH,row;
2203: char class_fullpath[ONE_K],*serverName;
2204:
2205: serverName=getenv("SERVER_NAME");
2206: if (!serverName) {
2207: fprintf(stdout,"Enviroment variable SERVER_NAME not set.\n");
2208: fprintf(stdout,"Unable to complete actions.\n");
2209: return;
2210: }
2211: printf("<!--print_summary-->");
2212: sprintf(class_fullpath,"%s/%s",class_dir,class);
2213: chdir(class_fullpath);
2214: configResult=read_capa_config("web_status_line_length",buf);
2215: if (configResult != 0 && configResult != -1 ) {
2216: if (sscanf(buf,"%d",&status_line_length)==0) {
2217: status_line_length=DEFAULT_STATUS_LINE_LENGTH;
2218: }
2219: } else {
2220: status_line_length=DEFAULT_STATUS_LINE_LENGTH;
2221: }
2222:
2223: printf("<TABLE>\n<TR><TD></TD>\n");
2224: for(i=0;i<status_line_length;i++) {
2225: printf("<TD align=center valign=bottom>%d</TD>\n",i+1);
2226: }
2227: printf("</TR>");
2228:
2229: for (set_idx=1; set_idx<=set; set_idx++) {
2230: g_inhibit_response=capa_check_option(OPTION_INHIBIT_RESPONSE,set_idx,
2231: g_student_data.s_sec);
2232: if (g_inhibit_response > 0) {
2233: printf("<!-- Set %d is inhibited -->\n",set_idx);
2234: continue;
2235: }
2236: if ( capa_check_date(CHECK_OPEN_DATE,g_student_number,
2237: g_student_data.s_sec,set_idx) < 0 ){
2238: printf("<!-- Set %d is not open -->\n",set_idx);
2239: continue;
2240: }
2241:
2242: if (capa_get_header(&header,set_idx)) return;
2243: tot_num_sets++;
2244: capa_get_entry(&entry,student_number,set_idx);
2245: sscanf(header.num_questions,"%d", &(question_cnt) );
2246: valid_wgt = 0; set_score = 0;
2247: header.weight[question_cnt] = '\0';
2248: header.partial_credit[question_cnt] = '\0';
2249: for (i=0; i<question_cnt; i++) {
2250: valid_wgt += (header.weight[i] - '0');
2251: if((entry.answers[i]=='Y') || (entry.answers[i]=='y'))
2252: set_score += (header.weight[i]-'0');
2253: if((entry.answers[i]=='E') || (entry.answers[i]=='e'))
2254: valid_wgt -= (header.weight[i] - '0');
2255: if((entry.answers[i]>='0') && (entry.answers[i]<='9'))
2256: set_score += (entry.answers[i] - '0');
2257: }
2258: term_valid += valid_wgt;
2259: term_score += set_score;
2260:
2261: if( valid_wgt != 0 ) {
2262: rate = 100*set_score / valid_wgt;
2263: printf("<TR><TD nowrap align=center valign=bottom>set <B>%d</B>, %d/%d(%d %%) </TD>",set_idx,set_score,valid_wgt,rate);
2264: } else {
2265: printf("<TR><TD nowrap align=center valign=bottom>set <B>%d</B>, 0/0(0 %%) </TD>",set_idx);
2266: }
2267: for(row=0;row<=(question_cnt/status_line_length);row++) {
2268: for(i=(row*status_line_length);
2269: ((i<question_cnt)&&(i<((row+1)*status_line_length))); i++) {
2270: if (i != 0 && (!(i%status_line_length))) { printf("</TR><TD></TD>"); }
2271: printf("<TD align=center valign=bottom><tt>%c</tt></TD>\n",entry.answers[i]);
2272: }
2273: printf("</TR>\n<TR><TD></TD>");
2274: for(i=(row*status_line_length);
2275: ((i<question_cnt)&&(i<((row+1)*status_line_length))); i++) {
2276: if (i != 0 && (!(i%status_line_length))) { printf("</TR><TD></TD>"); }
2277: printf("<TD align=center valign=bottom><tt>%c</tt></TD>\n",header.weight[i]);
2278: }
2279: }
2280: printf("</TR>");
2281: capa_mfree(header.weight);
2282: capa_mfree(header.partial_credit);
2283: }
2284: printf("\n</TABLE>\n<hr>\n");
2285: /* SHOW TOTALS */
2286: /* if capalogin_show_summary_score is set to none don't show it */
2287: if (term_valid > 0) {
2288: sprintf(buf,"%d sets, total = %3d/%3d (%d%%)\n", tot_num_sets, term_score, term_valid, 100*term_score/term_valid);
2289: } else {
2290: sprintf(buf,"%d sets, total = %3d/%3d\n", tot_num_sets, term_score, term_valid);
2291: }
2292: result=read_capa_config("capalogin_show_summary_score",buf2);
2293: if (result != 0 && result != -1) {
2294: if (strcasecmp(buf2,"none")==0) {
2295: } else {
2296: printf("%s",buf);
2297: }
2298: } else {
2299: printf("%s",buf);
2300: }
2301:
2302: printf("<TABLE cellpadding=0 cellspacing=0 border=0>\n<TR><TD>");
2303: printf("<form method=\"post\" ");
2304: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
2305: printf("%s\n", buf);
2306: printf("<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
2307: printf("<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
2308: printf("<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
2309: printf("<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_CHECKIN);
2310: printf("<input type=\"submit\" value=\"Main menu\" ></form></TD>\n");
2311: printf("<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
2312: printf("<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
2313: printf("\n</TABLE>\n");
2314: }
2315:
2316:
2317: void
2318: process_mode(int mode) {
2319:
2320: #ifdef CGI_DBUG
2321: fprintf(g_cgi,"entered process_mode[%d]\n",mode); fflush(g_cgi);
2322: #endif /* CGI_DBUG */
2323: g_qchar_cnt=g_schar_cnt=0;
2324: g_qsize=TEXT_BUF_SIZE*sizeof(char);
2325: g_ssize=STATUS_BUF_SIZE*sizeof(char);
2326: g_question_txt=capa_malloc(TEXT_BUF_SIZE,sizeof(char));
2327: g_status_txt =capa_malloc(STATUS_BUF_SIZE,sizeof(char));
2328: #ifdef CGI_DBUG
2329: fprintf(g_cgi,"alloced everything\n"); fflush(g_cgi);
2330: #endif /* CGI_DBUG */
2331: if( mode == VIEW_PREVIOUS_MODE ) {
2332: print_quizz(g_cpath,g_cowner,g_class_name,g_student_number, g_entered_pin, g_vset,mode);
2333: } else if( mode == TRY_SET_MODE ) {
2334: print_quizz(g_cpath,g_cowner,g_class_name,g_student_number, g_entered_pin, g_login_set,mode);
2335: } else {
2336: print_quizz(g_cpath,g_cowner,g_class_name,g_student_number,g_entered_pin,g_login_set,CHECK_ANSWER_MODE);
2337: }
2338: g_status_txt[g_schar_cnt]=0;
2339: g_question_txt[g_qchar_cnt]=0;
2340: if( g_schar_cnt != 0 ) {
2341: fprintf(stdout,"%s",g_status_txt);
2342: #ifdef CGI_DBUG
2343: fprintf(g_cgi,"print status [%s]\n",g_status_txt); fflush(g_cgi);
2344: #endif /* CGI_DBUG */
2345: }
2346: if( g_qchar_cnt != 0) {
2347: fprintf(stdout,"%s",g_question_txt);
2348: #ifdef CGI_DBUG
2349: fprintf(g_cgi,"print question [%s]\n",g_question_txt); fflush(g_cgi);
2350: #endif /* CGI_DBUG */
2351: }
2352: if( g_schar_cnt != 0 ) {
2353: fprintf(stdout,"%s",g_status_txt);
2354: }
2355: fflush(stdout);
2356: capa_mfree(g_status_txt);
2357: capa_mfree(g_question_txt);
2358:
2359: }
2360:
2361: /* mode could be exam summary, show or not show percentage */
2362: /* quiz summary, show or not show percentage */
2363: void
2364: process_summary(int mode)
2365: {
2366: int outcome;
2367: int i, len;
2368: char *c_name;
2369: char c_path[512];
2370:
2371: outcome = check_exam_quiz_path();
2372: if( (mode == M_EXAMSUMM) && (outcome & 1) ) { /* exam summary */
2373: c_name = rindex(g_exam_path,'/');
2374: c_name++;
2375: i = strlen(c_name);
2376: len = strlen(g_exam_path) - i - 1;
2377: for(i=0;i<len;i++) {
2378: c_path[i]=g_exam_path[i];
2379: }
2380: c_path[len]=0;
2381: print_summary(c_path,c_name,g_student_number, g_entered_pin, g_exam_set);
2382: }
2383: if( (mode == M_QUIZSUMM) && (outcome & 2) ) { /* quiz summary */
2384: c_name = rindex(g_quiz_path,'/');
2385: c_name++;
2386: i = strlen(c_name);
2387: len = strlen(g_quiz_path) - i - 1;
2388: for(i=0;i<len;i++) {
2389: c_path[i]=g_quiz_path[i];
2390: }
2391: c_path[len]=0;
2392: print_summary(c_path,c_name,g_student_number, g_entered_pin, g_quiz_set);
2393: }
2394:
2395: }
2396:
2397: /* ---------------- JAVA TScore.class page print out ----------------- */
2398: void /* RETURNS: (nothing) */
2399: print_termscore_page(class_dir,class,student_number,pin,set,out)
2400: char *class_dir;char *class;char *student_number;int pin;int set; /* student login set */
2401: FILE *out;
2402: { /* LOCAL VARIABLES: */
2403: int set_idx, /* Set counter */
2404: i, /* Question counter */
2405: set_score, /* Score on a set */
2406: term_score=0, /* Total points received */
2407: term_valid=0; /* Total points possible */
2408: T_entry entry; /* Database entry for a set */
2409: char buf[MAX_BUFFER_SIZE]; /* Output line buffer */
2410: T_header header; /* Problem set header */
2411: int question_cnt,valid_wgt,configResult;
2412: char class_fullpath[ONE_K],*serverName;
2413: int hw_c, hw_r, qz_c, qz_r, fs, homework_count, quiz_count;
2414: float hw_w, qz_w, ex_w, fe_w, pc_w;
2415: int idx, entry_count, tmp_len;
2416: float *S, *F;
2417: int *X; /* array controlling whether to extrapolate scores */
2418: char *capa_server;
2419: int max_set[4], width=600,height=750; /* width and height of applet*/
2420: char **c_path_pp;
2421:
2422: /*Unused Vars
2423: char buf2[MAX_BUFFER_SIZE];
2424: char *qz_p, *ex_p, *epc_p;
2425: int ex_c, epc_c, result;
2426: int rate, status_line_length=DEFAULT_STATUS_LINE_LENGTH,row;
2427: */
2428:
2429: serverName=getenv("SERVER_NAME");
2430: if (!serverName) {
2431: fprintf(out,"Enviroment variable SERVER_NAME not set.\n");
2432: fprintf(out,"Unable to complete actions.\n");
2433: return;
2434: }
2435:
2436: sprintf(class_fullpath,"%s/%s",class_dir,class);
2437: chdir(class_fullpath);
2438:
2439: /*
2440: change the working director to the major homework directory and begin to
2441: read off the remaining path informations from this capa.config file
2442: homework_path =
2443: quiz_path =
2444: exam_path =
2445: correction_path =
2446: homework_weight = 0.3
2447: quiz_weight = 0.7
2448: exam_weight = 0.3
2449: final_weight = 0.35
2450: correction_weight = 0.3
2451: final_exam_set_number = 4
2452: homework_count = 12
2453: quiz_count = 24
2454:
2455: */
2456:
2457: configResult=read_capa_config("capa_server",buf);
2458: if (configResult != 0 && configResult != -1 ) {
2459: tmp_len = strlen(buf) + 1;
2460: capa_server = (char *)capa_malloc( tmp_len, sizeof(char));
2461: sprintf(capa_server,"%s",buf);
2462: } else { /* if capa_server is not set then we won't do anything further */
2463: fprintf(out,"Parameter: capa_server in capa.config file are not properly set.\n");
2464: return ;
2465: }
2466: if( get_termscore_params(&hw_w,&qz_w,&ex_w,&fe_w,&pc_w,&homework_count,&quiz_count,&fs) == -1 ) {
2467: fprintf(out,"Parameters in capa.config file are not properly set.\n");
2468: fprintf(out," such as homework_weight, quiz_weight, exam_weight, final_weight, correction_weight.\n");
2469:
2470: return;
2471: }
2472:
2473: get_tscore_width_height(&width,&height);
2474:
2475: c_path_pp = (char **)capa_malloc( 4, sizeof(char *));
2476: tmp_len = strlen(class_fullpath) + 1;
2477: c_path_pp[0] = (char *)capa_malloc(tmp_len,sizeof(char));
2478: sprintf(c_path_pp[0],"%s",class_fullpath); /* c_path_pp[0] should always be there */
2479:
2480: entry_count = fs*2 + 1;
2481: S = (float *)capa_malloc( ((fs+1)*2), sizeof(float));
2482: F = (float *)capa_malloc( ((fs+1)*2), sizeof(float));
2483: X = (int *)capa_malloc( ((fs+1)*2), sizeof(int));
2484:
2485: max_set[0] = set; /* the login set number */
2486: hw_c = max_set[0];
2487: hw_r = homework_count - set;
2488:
2489:
2490: configResult=read_capa_config("quiz_path",buf);
2491: if (configResult != 0 && configResult != -1 ) {
2492: tmp_len = strlen(buf)+1;
2493: c_path_pp[1] = (char *)capa_malloc(tmp_len,sizeof(char));
2494: sprintf(c_path_pp[1],"%s",buf);
2495: max_set[1] = check_class_get_maxset(c_path_pp[1]);
2496: if( max_set[1] <= 0 ) {
2497: /* should we continue ? */
2498: max_set[1] = 1;
2499: X[1] = 1;
2500: }
2501: qz_c = max_set[1];
2502: qz_r = quiz_count - max_set[1];
2503: } else { /* if quiz_path is not in capa.config, then we will skip quizz */
2504: qz_c = 0;
2505: qz_r = 0;
2506: }
2507:
2508:
2509: configResult=read_capa_config("exam_path",buf);
2510: if (configResult != 0 && configResult != -1 ) {
2511: tmp_len = strlen(buf)+1;
2512: c_path_pp[2] = (char *)capa_malloc( (tmp_len),sizeof(char));
2513: sprintf(c_path_pp[2],"%s",buf);
2514: max_set[2] = check_class_get_maxset(c_path_pp[2]);
2515: printf("<!-- for %s max_set %d -->\n",c_path_pp[2],max_set[2]);
2516: if( max_set[2] <= 0 ) {
2517: /* no sets */
2518: max_set[2] = 0;
2519: }
2520: /* start extrapolation with sets that don't yet exist */
2521: for(idx=2+(max_set[2]*2);idx <= (fs*2); idx++) {
2522: X[idx] = 1;
2523: }
2524: } else { /* if exam_path is not in capa.config, then skip exams */
2525: fs = 0;
2526: }
2527: configResult=read_capa_config("correction_path",buf);
2528: if (configResult != 0 && configResult != -1 ) {
2529: tmp_len = strlen(buf)+1;
2530: c_path_pp[3] = (char *)capa_malloc(tmp_len,sizeof(char));
2531: sprintf(c_path_pp[3],"%s",buf);
2532: max_set[3] = check_class_get_maxset(c_path_pp[3]);
2533: if( max_set[3] <= 0 ) {
2534: /* should we continue ? */
2535: max_set[3] = 0;
2536:
2537: }
2538: } else { /* if correction_path is not in capa.config, then skip corrections */
2539: pc_w = 0.0;
2540: }
2541:
2542:
2543:
2544: for( idx = 0; idx < 4; idx++) {
2545: if( c_path_pp[idx] != NULL ) {
2546: chdir(c_path_pp[idx]);
2547: term_score=0;
2548: term_valid=0;
2549: for (set_idx=1; set_idx<=max_set[idx]; set_idx++) {
2550: if (capa_get_header(&header,set_idx)) return;
2551: capa_get_entry(&entry,student_number,set_idx);
2552: sscanf(header.num_questions,"%d", &(question_cnt) );
2553: valid_wgt = 0; set_score = 0;
2554: header.weight[question_cnt] = '\0';
2555: header.partial_credit[question_cnt] = '\0';
2556: for (i=0; i<question_cnt; i++) {
2557: valid_wgt += (header.weight[i] - '0');
2558: if((entry.answers[i]=='Y') || (entry.answers[i]=='y'))
2559: set_score += (header.weight[i]-'0');
2560: if((entry.answers[i]=='E') || (entry.answers[i]=='e'))
2561: valid_wgt -= (header.weight[i] - '0');
2562: if((entry.answers[i]>='0') && (entry.answers[i]<='9'))
2563: set_score += (entry.answers[i] - '0');
2564: }
2565: term_valid += valid_wgt;
2566: term_score += set_score;
2567: capa_mfree(header.weight);
2568: capa_mfree(header.partial_credit);
2569: printf("<!-- %s %d %d -->\n",c_path_pp[idx],set_score,valid_wgt);
2570: if(idx==2) { /* exam sets */
2571: S[set_idx*2] = (float)set_score;
2572: F[set_idx*2] = (float)valid_wgt;
2573: if (valid_wgt == 0) {
2574: X[set_idx*2] = 1;
2575: } else {
2576: X[set_idx*2] = 0;
2577: }
2578: }
2579: if(idx==3) { /* correction sets */
2580: S[set_idx*2+1] = (float)set_score;
2581: F[set_idx*2+1] = (float)valid_wgt;
2582: if (valid_wgt == 0 ) {
2583: X[set_idx*2+1] = 1;
2584: } else {
2585: X[set_idx*2+1] = 0;
2586: }
2587: }
2588: }
2589: if( (idx == 0) || (idx==1) ) { /* homeworks and quizzes */
2590: S[idx] = (float)term_score;
2591: F[idx] = (float)term_valid;
2592: X[idx] = 1;
2593: }
2594: }
2595: }
2596:
2597:
2598:
2599:
2600: fprintf(out,"<CENTER>\n");
2601: fprintf(out,"<APPLET CODE=TScore.class CODEBASE=\"http://%s\" width=%d height=%d>\n",capa_server,width,height);
2602: fprintf(out,"<PARAM NAME=\"HW_W\" VALUE=\"%f\">\n", hw_w);
2603: fprintf(out,"<PARAM NAME=\"QZ_W\" VALUE=\"%f\">\n", qz_w);
2604: fprintf(out,"<PARAM NAME=\"EX_W\" VALUE=\"%f\">\n", ex_w);
2605: fprintf(out,"<PARAM NAME=\"FE_W\" VALUE=\"%f\">\n", fe_w);
2606: fprintf(out,"<PARAM NAME=\"PC_W\" VALUE=\"%f\">\n", pc_w);
2607: fprintf(out,"<PARAM NAME=\"HW_C\" VALUE=\"%d\">\n", hw_c);
2608: fprintf(out,"<PARAM NAME=\"HW_R\" VALUE=\"%d\">\n", hw_r);
2609: fprintf(out,"<PARAM NAME=\"FS\" VALUE=\"%d\">\n", fs);
2610: fprintf(out,"<PARAM NAME=\"QZ_C\" VALUE=\"%d\">\n", qz_c);
2611: fprintf(out,"<PARAM NAME=\"QZ_R\" VALUE=\"%d\">\n", qz_r);
2612:
2613:
2614: for(idx=0;idx<entry_count;idx++) {
2615: fprintf(out,"<PARAM NAME=\"S%d\" VALUE=\"%f\">\n",idx,S[idx]);
2616: fprintf(out,"<PARAM NAME=\"F%d\" VALUE=\"%f\">\n",idx,F[idx]);
2617: fprintf(out,"<PARAM NAME=\"X%d\" VALUE=\"%d\">\n",idx,X[idx]);
2618: }
2619:
2620: fprintf(out,"</APPLET> </CENTER>\n");
2621:
2622: fprintf(out,"<TABLE cellpadding=0 cellspacing=0 border=0>\n<TR><TD>");
2623: fprintf(out,"<form method=\"post\" ");
2624: sprintf(buf,"action=\"http://%s/%s/%s/capasbin\">",serverName,g_cgibin_path,g_cowner);
2625: fprintf(out,"%s\n", buf);
2626: fprintf(out,"<input type=\"hidden\" name=\"CLASS\" value=\"%s\">\n",g_class_name);
2627: fprintf(out,"<input type=\"hidden\" name=\"SNUM\" value=\"%s\">\n",g_student_number);
2628: fprintf(out,"<input type=\"hidden\" name=\"CAPAID\" value=\"%d\">\n",g_entered_pin);
2629: fprintf(out,"<input type=\"hidden\" name=\"M\" value=\"%d\">\n",M_CHECKIN);
2630: fprintf(out,"<input type=\"submit\" value=\"Main menu\" ></form></TD>\n");
2631: fprintf(out,"<TD><form method=\"get\" action=\"http://%s/CAPA/class.html\">",serverName);
2632: fprintf(out,"<input type=\"button\" value=\"Exit\" onclick=\"window.close()\"></form></TD>");
2633: fprintf(out,"\n</TABLE>\n");
2634:
2635: capa_mfree((char *)S);
2636: capa_mfree((char *)F);
2637: capa_mfree((char *)X);
2638: for(idx=0;idx<4;idx++) {
2639: if( c_path_pp[idx] != NULL ) capa_mfree((char *)c_path_pp[idx]);
2640: }
2641: capa_mfree((char *)c_path_pp);
2642: capa_mfree((char *)capa_server);
2643: }
2644:
2645: void
2646: get_tscore_width_height(width,height)
2647: int *width;int *height;
2648: {
2649: char buf[MAX_BUFFER_SIZE];
2650: int configResult;
2651:
2652: configResult=read_capa_config("tscore_width",buf);
2653: if (configResult != 0 && configResult != -1 ) {
2654: sscanf(buf,"%d", width);
2655: if (*width <= 0 ) { *width = DEFAULT_WIDTH; }
2656: } else {
2657: printf("<!-- tscore_width not found. %d-->\n",configResult);
2658: }
2659: configResult=read_capa_config("tscore_height",buf);
2660: if (configResult != 0 && configResult != -1 ) {
2661: sscanf(buf,"%d", height);
2662: if (*height <= 0 ) { *height = DEFAULT_HEIGHT; }
2663: } else {
2664: printf("<!-- tscore_height not found. %d-->\n",configResult);
2665: }
2666: }
2667:
2668: int
2669: get_termscore_params(hw,qw,ew,fw,pw,hc,qc,fs)
2670: float *hw;float *qw;float *ew;float *fw;float *pw;
2671: int *hc;int *qc;int *fs;
2672: {
2673: char buf[MAX_BUFFER_SIZE]; /* Output line buffer */
2674: int hw_c, qz_c, fe_s;
2675: float hw_w, qz_w, ex_w, fe_w, pc_w;
2676: int configResult;
2677:
2678: configResult=read_capa_config("homework_weight",buf);
2679: if (configResult != 0 && configResult != -1 ) {
2680: sscanf(buf,"%f", &hw_w);
2681: if(hw_w <= 0.0 ) {
2682: hw_w = DEFAULT_HW_W;
2683: }
2684: } else {
2685: return (-1);
2686: }
2687: configResult=read_capa_config("quiz_weight",buf);
2688: if (configResult != 0 && configResult != -1 ) {
2689: sscanf(buf,"%f", &qz_w);
2690: if(qz_w <= 0.0 ) {
2691: qz_w = DEFAULT_QZ_W;
2692: }
2693: } else {
2694: return (-1);
2695: }
2696: configResult=read_capa_config("exam_weight",buf);
2697: if (configResult != 0 && configResult != -1 ) {
2698: sscanf(buf,"%f", &ex_w);
2699: if(ex_w <= 0.0 ) {
2700: ex_w = DEFAULT_EX_W;
2701: }
2702: } else {
2703: return (-1);
2704: }
2705: configResult=read_capa_config("final_weight",buf);
2706: if (configResult != 0 && configResult != -1 ) {
2707: sscanf(buf,"%f", &fe_w);
2708: if(fe_w <= 0.0 ) {
2709: fe_w = DEFAULT_FE_W;
2710: }
2711: } else {
2712: return (-1);
2713: }
2714: configResult=read_capa_config("correction_weight",buf);
2715: if (configResult != 0 && configResult != -1 ) {
2716: sscanf(buf,"%f", &pc_w);
2717: if(pc_w <= 0.0 ) {
2718: pc_w = DEFAULT_PC_W;
2719: }
2720: } else {
2721: return (-1);
2722: }
2723: configResult=read_capa_config("final_exam_set_number",buf);
2724: if (configResult != 0 && configResult != -1 ) {
2725: sscanf(buf,"%d", &fe_s);
2726: if(fe_s <= 0 ) {
2727: fe_s = DEFAULT_FE_NUMBER;
2728: }
2729: } else {
2730: return (-1);
2731: }
2732: configResult=read_capa_config("homework_count",buf);
2733: if (configResult != 0 && configResult != -1 ) {
2734: sscanf(buf,"%d", &hw_c);
2735: if(hw_c <= 0 ) {
2736: hw_c = DEFAULT_HW_COUNT;
2737: }
2738: } else {
2739: return (-1);
2740: }
2741: configResult=read_capa_config("quiz_count",buf);
2742: if (configResult != 0 && configResult != -1 ) {
2743: sscanf(buf,"%d", &qz_c);
2744: if(qz_c <= 0 ) {
2745: qz_c = DEFAULT_QZ_COUNT;
2746: }
2747: } else {
2748: return (-1);
2749: }
2750: *hw = hw_w; *qw = qz_w; *ew = ex_w; *fw = fe_w; *pw = pc_w;
2751: *hc = hw_c; *qc = qz_c; *fs = fe_s;
2752: return (0);
2753:
2754: }
2755:
2756: /* =================================================================================================== */
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