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10 reyssat 1
/*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis
2
 *
3
 *  This program is free software; you can redistribute it and/or modify
4
 *  it under the terms of the GNU General Public License as published by
5
 *  the Free Software Foundation; either version 2 of the License, or
6
 *  (at your option) any later version.
7
 *
8
 *  This program is distributed in the hope that it will be useful,
9
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 *  GNU General Public License for more details.
12
 *
13
 *  You should have received a copy of the GNU General Public License
14
 *  along with this program; if not, write to the Free Software
15
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
16
 */
8135 bpr 17
#include "../Lib/libwims.h"
18
#include "oef2wims.h"
10 reyssat 19
int prepcnt;
2656 bpr 20
int ex_statement=0, ex_hint=0, ex_help=0, ex_solution=0, ex_latex=0;
8135 bpr 21
 
22
const size_t MAX_KEY_LEN=128;
10 reyssat 23
char vbuf_statement[MAX_LINELEN+1];
24
char vbuf_hint[MAX_LINELEN+1];
25
char vbuf_help[MAX_LINELEN+1];
26
char vbuf_solution[MAX_LINELEN+1];
9093 bpr 27
char vbuf_latex[MAX_LINELEN+1];
10 reyssat 28
 
7677 bpr 29
/* empty processor, template. */
10 reyssat 30
void empty(char *p[MAX_PARM]) {}
31
 
9095 bpr 32
void p_header(char *p[MAX_PARM])
3288 bpr 33
{
34
    p[0]=find_word_start(p[0]);
35
    if(strlen(p[0])>MAX_KEY_LEN) p[0][MAX_KEY_LEN]=0;
9095 bpr 36
    fprintf(outf,"%s=%s\n", p[1], p[0]);
3288 bpr 37
}
38
 
10 reyssat 39
void p_computeanswer(char *p[MAX_PARM])
7677 bpr 40
{
10 reyssat 41
    p[0]=find_word_start(p[0]);
42
    *find_word_end(p[0])=0;
43
    if(strcasecmp(p[0],"yes"))
44
      fprintf(outf,"computeanswer=no\n");
45
    else fprintf(outf,"computeanswer=%s\n",p[0]);
46
}
47
 
48
void p_precision(char *p[MAX_PARM])
49
{
50
    int pr;
51
    pr=atoi(p[0]);
52
    if(pr<0 || pr>100000000) return;
53
    fprintf(outf,"precision=%d\n",pr);
54
}
9227 bpr 55
void p_gen2(char *name_gen, char *p[MAX_PARM])
7677 bpr 56
{
9227 bpr 57
    char vbuf_gen[MAX_LINELEN+1];
1105 bpr 58
    if(p==NULL) return;
9227 bpr 59
    snprintf(vbuf_gen,sizeof(vbuf_gen),"%s",p[0]); subst(vbuf_gen);
60
    singlespace(vbuf_gen);
9229 bpr 61
    fprintf(outf,"%s=%s\n", name_gen, vbuf_gen);
1105 bpr 62
}
9227 bpr 63
void p_css(char *p[MAX_PARM]) {p_gen2("oefcss", p);}
64
void p_credits(char *p[MAX_PARM]){p_gen2("credits", p);}
9229 bpr 65
void p_description(char *p[MAX_PARM]){p_gen2("oefdescription", p);}
66
void p_observation(char *p[MAX_PARM]){p_gen2("oefobservation", p);}
4810 bpr 67
 
10 reyssat 68
void p_wims(char *p[MAX_PARM])
69
{
70
    char vbuf[MAX_LINELEN+1];
71
    snprintf(vbuf,sizeof(vbuf),"%s",p[0]); subst(vbuf);
7677 bpr 72
/* the second condition could be removed?
73
 * To be very careful! */
10 reyssat 74
    if(strchr(vbuf,'=')==NULL || strchr(vbuf,'!')!=NULL) return;
7677 bpr 75
    fprintf(outf,"%s\n",vbuf);
10 reyssat 76
}
77
 
78
void p_mdef(char *p[MAX_PARM])
79
{
80
    char vbuf[MAX_LINELEN+1];
81
    if(wordchr(mdef,p[0])==NULL) return;
82
    snprintf(vbuf,sizeof(vbuf),"%s",p[1]); subst(vbuf);
7677 bpr 83
/* the second condition could be removed?
84
 * To be very careful! */
10 reyssat 85
    if(strchr(vbuf,'!')!=NULL) return;
86
    fprintf(outf,"m_%s=%s\n",p[0],vbuf);
87
}
88
 
89
void p_range(char *p[MAX_PARM])
90
{
91
    double left, right;
92
    char *pp;
93
    pp=strstr(p[0],"..");
94
    if(pp==NULL) return;
95
    *pp=0;pp+=strlen("..");
96
    left=atof(p[0]); right=atof(pp);
97
    if(left>=right-1E-50 || left<-1E50 || right>1E50) return;
98
    fprintf(outf,"leftrange=%f\nrightrange=%f\n",left,right);
99
}
100
 
101
void p_language(char *p[MAX_PARM])
7677 bpr 102
{
10 reyssat 103
    p[0]=find_word_start(p[0]);
104
    *find_word_end(p[0])=0;
7677 bpr 105
    if(strlen(p[0])==2) fprintf(outf,"language=%s\n",p[0]);
10 reyssat 106
}
107
 
108
void p_statement(char *p[MAX_PARM])
109
{
110
    if(ex_statement<0) return;
111
    if(ex_statement>0 || p==NULL) {
7677 bpr 112
      out_exec(vbuf_statement,"question");
113
      ex_statement=-1; return;
10 reyssat 114
    }
115
    if(p==NULL) return;
116
    snprintf(vbuf_statement,sizeof(vbuf_statement),"%s",p[0]);
117
    subst(vbuf_statement);
118
    if(strcmp(format,"html")!=0) {
7677 bpr 119
      fprintf(outf,"question=!nosubst %s\n",vbuf_statement);
120
      ex_statement=-1;
10 reyssat 121
    }
122
    else {
7677 bpr 123
      fprintf(outf,"question=%s\n",executed_str);
124
      ex_statement=1;
10 reyssat 125
    }
126
}
127
 
9093 bpr 128
void p_gen(int *ex_gen, char vbuf_gen[], char *name_gen, char *p[MAX_PARM])
10 reyssat 129
{
9093 bpr 130
    if(*ex_gen<0) return;
131
    if(*ex_gen>0 || p==NULL) {
132
      out_exec(vbuf_gen, name_gen);
133
      *ex_gen=-1; return;
10 reyssat 134
    }
9093 bpr 135
    snprintf(vbuf_gen,MAX_LINELEN,"%s",p[0]); subst(vbuf_gen);
136
    if(strchr(vbuf_gen,'\\')!=NULL) {
137
      fprintf(outf,"%s=%s\n", name_gen, executed_str);
138
      *ex_gen=1;
10 reyssat 139
    }
140
    else {
9093 bpr 141
      singlespace(vbuf_gen);
142
      fprintf(outf,"%s=!nosubst %s\n\n", name_gen, vbuf_gen);
10 reyssat 143
    }
144
}
145
 
9093 bpr 146
void p_hint(char *p[MAX_PARM]) {p_gen(&ex_hint, vbuf_hint, "hint", p);}
147
void p_help(char *p[MAX_PARM]) {p_gen(&ex_help, vbuf_help, "help", p);}
148
void p_solution(char *p[MAX_PARM]) {p_gen(&ex_solution, vbuf_solution, "solution", p);}
10 reyssat 149
 
2656 bpr 150
void p_latex(char *p[MAX_PARM])
151
{
152
    if(ex_latex<0) return;
153
    if(ex_latex>0 || p==NULL) {
7677 bpr 154
      out_exec(vbuf_latex,"latex");
155
      ex_latex=-1; return;
2656 bpr 156
    }
7677 bpr 157
    snprintf(vbuf_latex,sizeof(vbuf_latex),"%s",p[0]);
2656 bpr 158
    subst(vbuf_latex);
7677 bpr 159
      singlespace(vbuf_latex);
160
      fprintf(outf,"latex=!nosubst %s\n\n", vbuf_latex);
2656 bpr 161
}
162
 
10 reyssat 163
enum {typ_default, typ_num, typ_func, typ_units, typ_text,
164
      typ_formal,typ_matrix,typ_vector,typ_set,typ_equation,
165
      typ_case, typ_nocase, typ_atext, typ_wlist, typ_comp,
166
      typ_algexp, typ_litexp, typ_menu, typ_coord, typ_fill,
167
      typ_raw, typ_symtext,
168
      typ_java, typ_src, typ_chem
169
};
170
 
171
struct {
172
    char *name;
173
    int  type;
174
    char *def;
175
} anstype[]={
7677 bpr 176
      {"algexp", typ_algexp, "algexp"},
177
      {"aset",  typ_set, "aset"},
178
      {"atext",  typ_atext, "atext"},
179
      {"case",  typ_case, "case"},
180
      {"checkbox", typ_menu, "checkbox"},
10 reyssat 181
      {"chemeq",        typ_chem,       "chemeq"},
7677 bpr 182
      {"chset",  typ_atext, "chset"},
183
      {"click",  typ_menu, "click"},
184
      {"clickfill", typ_fill, "clickfill"},
185
      {"code",  typ_src, "code"},
186
      {"compose", typ_comp, "compose"},
187
      {"coord",  typ_coord, "coord"},
188
      {"coordinates", typ_coord, "coord"},
189
      {"corresp", typ_comp, "correspond"},
190
      {"correspond", typ_comp, "correspond"},
191
      {"default", typ_default, "default"},
192
      {"dragfill", typ_fill, "dragfill"},
193
      {"equation", typ_equation, "equation"},
194
      {"expalg", typ_algexp, "algexp"},
195
      {"formal", typ_formal, "formal"},
196
      {"fset",  typ_set, "fset"},
197
      {"function", typ_func, "function"},
198
      {"imgcomp", typ_comp, "imgcomp"},
199
      {"javacurve", typ_java, "javacurve"},
200
      {"link",  typ_menu, "click"},
201
      {"litexp", typ_litexp, "litexp"},
202
      {"mark",  typ_menu, "mark"},
203
      {"matrix", typ_matrix, "matrix"},
204
      {"menu",  typ_menu, "menu"},
205
      {"nocase", typ_nocase, "nocase"},
206
      {"number", typ_num, "numeric"},
207
      {"numeric", typ_num, "numeric"},
208
      {"numexp", typ_algexp, "numexp"},
209
      {"radio",  typ_menu, "radio"},
210
      {"range",  typ_func, "range"},
211
      {"ranges", typ_func, "range"},
212
      {"raw",  typ_raw, "raw"},
213
      {"reorder", typ_comp, "reorder"},
214
      {"select", typ_menu, "menu"},
215
      {"set",  typ_set, "set"},
216
      {"sigunits", typ_units, "sigunits"},
217
      {"symtext", typ_symtext, "symtext"},
218
      {"text",  typ_text, "case"},
219
      {"textcomp", typ_comp, "textcomp"},
220
      {"unit",  typ_units, "units"},
221
      {"units",  typ_units, "units"},
222
      {"vector", typ_vector, "vector"},
223
      {"wlist",  typ_wlist, "wlist"},
224
      {"wordcomp", typ_comp, "textcomp"}
10 reyssat 225
};
226
 
227
#define anstype_no (sizeof(anstype)/sizeof(anstype[0]))
228
 
229
void p_answer(char *p[MAX_PARM])
230
{
231
    char *pp, vbuf[MAX_LINELEN+1],nbuf[MAX_LINELEN+1];
232
    int i,j,k,typ;
7677 bpr 233
 
234
/* look for type definition */
10 reyssat 235
    typ=typ_default;
236
    for(i=0;i<5;i++) {
7677 bpr 237
      if(p[i]==NULL || p[i][0]==0) continue;
238
      p[i]=find_word_start(p[i]);
239
      if(strncasecmp(p[i],"type",strlen("type"))==0) {
240
          char *tt;
241
          tt=find_word_start(p[i]+strlen("type"));
242
          if(*tt=='=') {
11123 georgesk 243
            for(j=i;j<6;j++) p[j]=p[j+1];
11132 bpr 244
            i--;
7677 bpr 245
            tt=find_word_start(tt+1); *find_word_end(tt)=0;
246
            k=search_list(anstype,anstype_no,sizeof(anstype[0]),tt);
247
/* unknown type is now substituted */
248
            if(k>=0) {
249
                fprintf(outf,"replytype%d=%s\n",
250
                      answercnt,anstype[k].def);
251
                typ=anstype[k].type;
252
            }
253
            else {
254
                snprintf(nbuf,sizeof(nbuf),"%s",tt); subst(nbuf);
255
                fprintf(outf,"replytype%d=%s\n\n",answercnt,nbuf);
256
            }
257
          }
258
          continue;
259
      }
260
      if(strncasecmp(p[i],"option",strlen("option"))==0) {
261
          char *tt, *tv;
262
          tt=p[i]+strlen("option");
263
          if(*tt=='s' || *tt=='S') tt++;
264
          tt=find_word_start(tt);
265
          if(*tt=='=') {
11123 georgesk 266
            for(j=i;j<6;j++) p[j]=p[j+1];
11132 bpr 267
            i--;
7677 bpr 268
            snprintf(nbuf,sizeof(nbuf),"%s",tt+1); subst(nbuf);
269
            for(tv=nbuf; *tv; tv++) if(*tv==',' || *tv==';') *tv=' ';
270
            strip_trailing_spaces(nbuf);
271
            fprintf(outf,"replyoption%d=%s \n",answercnt,
272
                  find_word_start(nbuf));
273
          }
274
          continue;
275
      }
276
      if(strncasecmp(p[i],"weight",strlen("weight"))==0) {
277
          char *tt;
278
          tt=p[i]+strlen("weight");
279
          tt=find_word_start(tt);
280
          if(*tt=='=') {
11123 georgesk 281
            for(j=i;j<6;j++) p[j]=p[j+1];
11132 bpr 282
            i--;
7677 bpr 283
            snprintf(nbuf,sizeof(nbuf),"%s",tt+1); subst(nbuf);
284
            strip_trailing_spaces(nbuf);
285
            fprintf(outf,"replyweight%d=%s \n",answercnt,
286
                  find_word_start(nbuf));
287
          }
288
          continue;
289
      }
10 reyssat 290
    }
291
    p[0]=find_word_start(p[0]);
292
    strncpy(nbuf,p[0],MAX_LINELEN); nbuf[MAX_LINELEN]=0; subst(nbuf);
12122 bpr 293
    strip_trailing_spaces(nbuf);singlespace(nbuf);
294
    if (strlen(nbuf)>= MAX_PROMPTLEN) oef_error("Answer prompt too long");
10 reyssat 295
    nbuf[MAX_PROMPTLEN]=0;
12122 bpr 296
    pp=nbuf+strlen(nbuf)-1;
10 reyssat 297
    if(*pp=='=') *pp=0;
298
    p[1]=find_word_start(p[1]);
299
    if(*p[1]=='\\' && (isalnum(*(p[1]+1)) || *(p[1]+1)=='_')) {
7677 bpr 300
/* check for analyzed answers */
301
      int i,n; char *pt;
302
      strncpy(vbuf,p[1]+1,MAX_LINELEN); vbuf[MAX_LINELEN]=0;
303
      pt=strchr(vbuf,';'); if(pt!=NULL) *pt=0;
304
      strip_trailing_spaces(vbuf); n=strlen(vbuf);
305
      if(n>=MAX_NAMELEN) goto normal;
306
      for(i=0;i<n && (isalnum(vbuf[i]) || vbuf[i]=='_');i++);
307
      if(i<n) goto normal;
308
      for(i=varcnt-1;i>=1 && strcmp(vbuf,param[i].name)!=0;i--);
309
      if(i<1) { /* unused name; the answer should be analyzed */
310
          char *pm;
311
          pm=xmalloc(MAX_NAMELEN+2);
312
          ovlstrcpy(pm,vbuf); param[varcnt].name=pm;
313
          if(pt) {
314
            *pt=';';
315
            ovlstrcpy(vbuf,pt); subst(vbuf); pt=vbuf;
316
          }
317
          else pt="";
318
          param[varcnt].type=pt_real;
319
          param[varcnt].save=1;
320
          fprintf(outf,"replyname%d=%s\nreplygood%d=?analyze %d%s\n",
321
                answercnt,nbuf,answercnt,varcnt,pt);
322
          condans++; answercnt++; varcnt++; return;
323
      }
10 reyssat 324
    }
325
    normal:
326
    strncpy(vbuf,p[1],MAX_LINELEN); vbuf[MAX_LINELEN]=0;
327
    subst(vbuf);
328
    switch(typ) {
7677 bpr 329
      default:
330
      case typ_default: {
331
          fprintf(outf,"replyname%d=%s\nreplygood%d=%s\n",
332
                answercnt,nbuf,answercnt,vbuf);
333
          break;
334
      }
335
      case typ_num: {
336
          fprintf(outf,"replyname%d=%s\nreplygood%d=$[%s]\n",
337
                answercnt,nbuf,answercnt,vbuf);
338
          break;
339
      }
340
      case typ_equation:
341
      case typ_func: {
342
          fprintf(outf,"replyname%d=%s\nreplygood%d=!rawmath %s\n",
343
                answercnt,nbuf,answercnt,vbuf);
344
          break;
345
      }
346
      case typ_units: {
347
          fprintf(outf,"replyname%d=%s\nreplygood%d=%s\n",
348
                answercnt,nbuf,answercnt,vbuf);
349
          break;
350
      }
10 reyssat 351
    }
352
    answercnt++;
353
}
354
 
355
void p_choice(char *p[MAX_PARM])
356
{
357
    int i,j;
358
    char buf1[MAX_LINELEN+1],buf2[MAX_LINELEN+1],nbuf[MAX_LINELEN+1];
359
    for(i=0;i<5;i++) {
7677 bpr 360
      if(p[i]==NULL || p[i][0]==0) continue;
361
      p[i]=find_word_start(p[i]);
362
      if(strncasecmp(p[i],"option",strlen("option"))==0) {
363
          char *tt, *tv;
364
          tt=p[i]+strlen("option");
365
          if(*tt=='s' || *tt=='S') tt++;
366
          tt=find_word_start(tt);
367
          if(*tt=='=') {
11123 georgesk 368
            for(j=i;j<6;j++) p[j]=p[j+1];
11132 bpr 369
            i--;
7677 bpr 370
            snprintf(nbuf,sizeof(nbuf),"%s",tt+1); subst(nbuf);
371
            for(tv=nbuf; *tv; tv++) if(*tv==',' || *tv==';') *tv=' ';
372
            strip_trailing_spaces(nbuf);
373
            fprintf(outf,"choiceoption%d=%s \n",choicecnt,
374
                  find_word_start(nbuf));
375
          }
376
          continue;
377
      }
378
      if(strncasecmp(p[i],"weight",strlen("weight"))==0) {
379
          char *tt;
380
          tt=p[i]+strlen("weight");
381
          tt=find_word_start(tt);
382
          if(*tt=='=') {
11123 georgesk 383
            for(j=i;j<6;j++) p[j]=p[j+1];
11132 bpr 384
            i--;
7677 bpr 385
            snprintf(nbuf,sizeof(nbuf),"%s",tt+1); subst(nbuf);
386
            strip_trailing_spaces(nbuf);
387
            fprintf(outf,"choiceweight%d=%s \n",choicecnt,
388
                  find_word_start(nbuf));
389
          }
390
          continue;
391
      }
10 reyssat 392
    }
393
    p[0]=find_word_start(p[0]);
394
    snprintf(buf1,sizeof(buf1),"%s",p[1]); subst(buf1);
395
    snprintf(buf2,sizeof(buf2),"%s",p[2]); subst(buf2);
396
    snprintf(nbuf,sizeof(nbuf),"%s",p[0]); subst(nbuf);
397
    nbuf[MAX_PROMPTLEN]=0;
398
    fprintf(outf,"choicename%d=%s\nchoicegood%d=%s\nchoicebad%d=%s\n",
7677 bpr 399
          choicecnt,nbuf,choicecnt,buf1,choicecnt,buf2);
10 reyssat 400
    choicecnt++;
401
}
402
 
403
void putval(char *p, int n, int ptype)
404
{
405
    switch(ptype) {
7677 bpr 406
      case pt_int: {
407
          fprintf(outf,"val%d=$[rint(%s)]\n",n,p);
408
          break;
409
      }
410
      case pt_real: {
411
          fprintf(outf,"val%d=$[%s]\n",n,p);
412
          break;
413
      }
414
      case pt_func: {
415
          fprintf(outf,"val%d=!rawmath %s\n",n,p);
416
          break;
417
      }
418
      case pt_complex: {
419
          fprintf(outf,"t_=!rawmath %s\nt_=!exec pari print($t_)\n\
10 reyssat 420
val%d=!mathsubst I=i in $t_\n",p,n);
7677 bpr 421
          break;
422
      }
423
      case pt_matrix: {
424
          fprintf(outf,"tmp=!trim %s\n\
7688 bpr 425
val%d=!translate internal $     \\\n$ to ;; in $tmp\n",p,n);
7677 bpr 426
          break;
427
      }
428
      case pt_rat: {
429
          fprintf(outf,"t_=!rawmath %s\n\
10 reyssat 430
val%d=!exec pari print($t_)\n",p,n);
7677 bpr 431
          break;
432
      }
433
      default: {
434
          fprintf(outf,"val%d=%s\n",n,p);
435
          break;
436
      }
10 reyssat 437
    }
438
}
439
 
440
void parm(char *p[MAX_PARM], int ptype)
441
{
442
    char *pp, *p2;
443
    char vbuf[MAX_LINELEN+1];
444
    int i;
445
 
446
    p[0]=find_word_start(p[0]);
447
    if(*p[0]=='\\') p[0]++;
7677 bpr 448
/* bad name */
10 reyssat 449
    if(!isalpha(*p[0])) return;
450
    strip_trailing_spaces(p[0]);
451
    for(pp=p[0];*pp;pp++) if(!isalnum(*pp) && *pp!='_') {
7677 bpr 452
/* bad name and security risk */
453
      if(!isspace(*pp)) return;
454
      ovlstrcpy(pp,pp+1); pp--;
10 reyssat 455
    }
456
    for(i=1;i<varcnt && strcmp(p[0],param[i].name)!=0;i++);
457
    p[1]=find_word_start(p[1]);
458
    snprintf(vbuf,sizeof(vbuf),"%s",p[1]); subst(vbuf);
459
    if(deftag) repsubst(vbuf);
460
    if((pp=strparchr(vbuf,'?'))!=NULL && pp[1]!='?') {
7677 bpr 461
      char buf[MAX_LINELEN+1];
462
      if(check_compare(vbuf)==0) goto noif;
463
      p2=strparchr(pp,':'); *pp++=0; if(p2!=NULL) *p2++=0;
464
      snprintf(buf,sizeof(buf),"%s",vbuf);
465
      prepcnt=0; parmprep(buf,ptype);
466
      fprintf(outf,"\n!ifval %s\n",buf);
467
      snprintf(buf,sizeof(buf),"%s",pp);
468
      parmprep(buf,ptype); putval(buf,i,ptype);
469
      if(p2!=NULL) {
470
          fprintf(outf,"!else\n");
471
          snprintf(buf,sizeof(buf),"%s",p2);
472
          parmprep(buf,ptype); putval(buf,i,ptype);
473
      }
474
      fprintf(outf,"!endif\n");
10 reyssat 475
    }
476
    else {
477
noif:
7677 bpr 478
      prepcnt=0; parmprep(vbuf, ptype);
479
      putval(vbuf,i,ptype);
10 reyssat 480
    }
481
    if(i>=varcnt && i<MAX_PARAM) {
7677 bpr 482
      param[varcnt].name=p[0];
483
      param[varcnt].type=ptype;
484
      param[varcnt].save=0;
485
      varcnt++;
10 reyssat 486
    }
487
}
488
 
489
void p_int(char *p[MAX_PARM]) {parm(p,pt_int);}
490
void p_rational(char *p[MAX_PARM]) {parm(p,pt_rat);}
491
void p_real(char *p[MAX_PARM]) {parm(p,pt_real);}
492
void p_complex(char *p[MAX_PARM]) {parm(p,pt_complex);}
493
void p_func(char *p[MAX_PARM]) {parm(p,pt_func);}
494
void p_text(char *p[MAX_PARM]) {parm(p,pt_text);}
495
void p_matrix(char *p[MAX_PARM]) {parm(p,pt_matrix);}
496
 
497
void p_parm(char *p[MAX_PARM])
498
{
499
    parm(p,pt_real);
500
}
501
 
8367 bpr 502
void _p_if(char *p[MAX_PARM], int type)
10 reyssat 503
{
504
    char vbuf[MAX_LINELEN+1];
505
    snprintf(vbuf,sizeof(vbuf),"%s",p[0]); subst(vbuf);
506
    if(deftag) repsubst(vbuf);
507
    prepcnt=0; parmprep(vbuf, pt_real);
8367 bpr 508
    switch(type) {
509
          case 0: fprintf(outf,"!if %s \n",vbuf); break;
510
          case 1: fprintf(outf,"!ifval %s \n",vbuf);
511
    }
10 reyssat 512
}
8367 bpr 513
void p_if(char *p[MAX_PARM]) { return _p_if(p, 0);}
514
void p_ifval(char *p[MAX_PARM]) { return _p_if(p, 1);}
10 reyssat 515
 
516
void p_else(char *p[MAX_PARM])
517
{
518
    fprintf(outf,"!else\n");
519
}
520
 
521
void p_endif(char *p[MAX_PARM])
522
{
523
    fprintf(outf,"!endif\n");
524
}
525
 
526
 
527
void p_while(char *p[MAX_PARM])
528
{
529
    char vbuf[MAX_LINELEN+1];
530
    snprintf(vbuf,sizeof(vbuf),"%s",p[0]); subst(vbuf);
531
    if(deftag) repsubst(vbuf);
532
    prepcnt=0; parmprep(vbuf, pt_real);
533
    fprintf(outf,"!while %s \n",vbuf);
534
}
535
 
536
void p_endwhile(char *p[MAX_PARM])
537
{
538
    fprintf(outf,"!endwhile\n");
539
}
540
 
541
void p_for(char *p[MAX_PARM])
542
{
543
    char *p1, *p2, buf[256];
544
    char vbuf[MAX_LINELEN+1];
545
    int i;
546
 
547
    p1=find_word_start(p[0]);
548
    if(!isalpha(*p1)) return;
549
    for(p2=p1; isalnum(*p2); p2++);
550
    if(p2-p1>64) return;
551
    memmove(buf,p1,p2-p1); buf[p2-p1]=0;
552
    for(i=1;i<varcnt && strcmp(buf,param[i].name)!=0;i++);
553
    if(i>=varcnt && i<MAX_PARAM) {
7677 bpr 554
      param[varcnt].name=p1;
555
      param[varcnt].type=pt_real;
556
      param[varcnt].save=0;
557
      varcnt++;
10 reyssat 558
    }
559
    snprintf(vbuf,sizeof(vbuf),"%s",p2); subst(vbuf); *p2=0;
560
    if(deftag) repsubst(vbuf);
561
    prepcnt=0; parmprep(vbuf, pt_real);
562
    fprintf(outf,"!for val%d %s \n", i, vbuf);
563
}
564
 
565
void p_next(char *p[MAX_PARM])
566
{
567
    fprintf(outf,"!next\n");
568
}
569
 
570
void p_plot(char *p[MAX_PARM])
571
{
572
    int i, f, xr, yr;
573
    char *pp, *p2;
574
    char buf[MAX_LINELEN+1];
7677 bpr 575
    f=xr=yr=-1;
10 reyssat 576
    for(i=0;i<3;i++) {
7677 bpr 577
      if(*p[i]==0) continue;
578
      if((pp=strchr(p[i],'='))==NULL) f=i;
579
      else {
580
          *pp=0; pp++;
581
          p2=find_word_start(p[i]);
582
          if(*p2=='x' || *p2=='X') xr=i;
583
          else if (*p2=='y' || *p2=='Y') yr=i;
584
          ovlstrcpy(p[i],pp);
585
      }
10 reyssat 586
    }
587
/*    if(xr>=0 && (pp=strstr(p[xr],".."))!=NULL) {
7677 bpr 588
 
10 reyssat 589
    }
590
*/    if(f<0) return;
3718 reyssat 591
    ovlstrcpy(buf, p[f]);
10 reyssat 592
    prepcnt=0; parmprep(buf,pt_func);
593
    fprintf(outf,"plot_fn=!rawmath %s\n",buf);
7677 bpr 594
 
10 reyssat 595
}
596
 
597
void p_condition(char *p[MAX_PARM])
598
{
599
    int i,j;
600
    char buf1[MAX_LINELEN+1],buf2[MAX_LINELEN+1];
601
    for(i=0;i<5;i++) {
7677 bpr 602
      if(p[i]==NULL || p[i][0]==0) continue;
603
      p[i]=find_word_start(p[i]);
604
      if(strncasecmp(p[i],"option",strlen("option"))==0) {
605
          char *tt, *tv;
606
          tt=p[i]+strlen("option");
607
          if(*tt=='s' || *tt=='S') tt++;
608
          tt=find_word_start(tt);
609
          if(*tt=='=') {
11123 georgesk 610
            for(j=i;j<6;j++) p[j]=p[j+1];
11132 bpr 611
            i--;
7677 bpr 612
            snprintf(buf1,sizeof(buf1),"%s",tt+1); subst(buf1);
613
            for(tv=buf1; *tv; tv++) if(*tv==',' || *tv==';') *tv=' ';
614
            strip_trailing_spaces(buf1);
615
            fprintf(outf,"condoption%d=%s \n",conditioncnt,
616
                  find_word_start(buf1));
617
          }
618
          continue;
619
      }
620
      if(strncasecmp(p[i],"weight",strlen("weight"))==0) {
621
          char *tt;
622
          tt=p[i]+strlen("weight");
623
          tt=find_word_start(tt);
624
          if(*tt=='=') {
11123 georgesk 625
            for(j=i;j<6;j++) p[j]=p[j+1];
11132 bpr 626
            i--;
7677 bpr 627
            snprintf(buf1,sizeof(buf1),"%s",tt+1); subst(buf1);
628
            strip_trailing_spaces(buf1);
629
            fprintf(outf,"condweight%d=%s \n",conditioncnt,
630
                  find_word_start(buf1));
631
          }
632
          continue;
633
      }
10 reyssat 634
    }
635
    if(p[1][0]==0) {p[1]=p[0]; p[0]="";}
636
    snprintf(buf1,sizeof(buf1),"%s",p[0]); subst(buf1);
637
    snprintf(buf2,sizeof(buf2),"%s",p[1]); subst(buf2);
638
    prepcnt=0; parmprep(buf2, pt_real);
639
    repsubst(buf2);
640
    fprintf(outf,"\n!ifval %s\n condtest%d=1\n!else\n condtest%d=0\n!endif\n\
641
condname%d=%s\n", buf2,conditioncnt,conditioncnt,conditioncnt,buf1);
642
    conditioncnt++;
643
}
644
 
645
void p_conditions(char *p[MAX_PARM])
646
{
647
    char buf[MAX_LINELEN+1];
648
    snprintf(buf,sizeof(buf),"%s",p[0]); subst(buf);
649
    prepcnt=0; parmprep(buf, pt_real);
650
    repsubst(buf);
651
    fprintf(outf,"\ncondlist=%s\n",buf);
652
}
653
 
654
void p_feedback(char *p[MAX_PARM])
655
{
656
    char buf1[MAX_LINELEN+1],buf2[MAX_LINELEN+1];
657
    char *cmpstr="ifval";
7677 bpr 658
 
10 reyssat 659
    snprintf(buf1,sizeof(buf1),"%s",p[0]); subst(buf1);
660
    snprintf(buf2,sizeof(buf2),"%s",p[1]); subst(buf2);
661
    repsubst(buf1); repsubst(buf2);
662
    if(strstr(buf1,"$m_choice")!=NULL) cmpstr="if";
663
    prepcnt=0; setpre="!set "; parmprep(buf1, pt_real); setpre="";
6450 obado 664
    fprintf(outf,"!%s %s\n <div class='oef_feedbacks'>",cmpstr, buf1);
10 reyssat 665
    out_exec(buf2,NULL);
6450 obado 666
    fprintf(outf,"</div>\n!endif\n");
10 reyssat 667
}
668
 
7677 bpr 669
/* definition of steps */
10 reyssat 670
void p_steps(char *p[MAX_PARM])
671
{
672
    char vbuf[MAX_LINELEN+1];
673
    char *pp, *p2;
7677 bpr 674
 
10 reyssat 675
    snprintf(vbuf,sizeof(vbuf),"%s",find_word_start(p[0])); subst(vbuf);
676
    strip_trailing_spaces(vbuf);
677
    if(vbuf[0]==0) return;
678
    if((pp=strparchr(vbuf,'?'))!=NULL && pp[1]!='?') {
7677 bpr 679
      char buf[MAX_LINELEN+1];
680
      if(check_compare(vbuf)==0) goto noif;
681
      p2=strparchr(pp,':'); *pp++=0; if(p2!=NULL) *p2++=0;
682
      snprintf(buf,sizeof(buf),"%s",vbuf);
683
      prepcnt=0; parmprep(buf,pt_text);
684
      fprintf(outf,"\n!ifval %s \n",buf);
685
      snprintf(buf,sizeof(buf),"%s",pp);
686
      parmprep(buf,pt_text);
687
      fprintf(outf,"oefsteps=%s \n",buf);
688
      if(p2!=NULL) {
689
          fprintf(outf,"!else\n");
690
          snprintf(buf,sizeof(buf),"%s",p2);
691
          parmprep(buf,pt_text);
692
          fprintf(outf,"oefsteps=%s \n",buf);
693
      }
694
      fprintf(outf,"!endif\n");
10 reyssat 695
    }
696
    else {
697
noif:
7677 bpr 698
      prepcnt=0; parmprep(vbuf, pt_text);
699
      fprintf(outf,"oefsteps=%s \nnextstep=!nosubst %s \n",vbuf,vbuf);
10 reyssat 700
    }
701
    fprintf(outf,"!readproc oef/steps.proc\n");
702
}
703
 
7677 bpr 704
/* dynamic steps */
10 reyssat 705
void p_nextstep(char *p[MAX_PARM])
706
{
707
    fprintf(outf,"dynsteps=yes\n");
708
    p_steps(p);
709
}
710