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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 
 */
17 
 
8135 bpr 18 
#include "../Lib/libwims.h"
19 
#include "oef2wims.h"
7677 bpr 20 
/* these are patches for rawmath.c */
8096 bpr 21 
/*
10 reyssat 22 
char *getvar(char *p) {return NULL;}
23 
void setvar(char *p, char *v) {return;}
8096 bpr 24 
*/
8367 bpr 25 
char *_exec_if(char *p, int type)
10 reyssat 26 
{
27 
    char *p1, *p2, *p3, *p4, *p5, *p6, *pp;
28 
    char buf[MAX_LINELEN+1];
29 
    p1=find_word_start(p); if(*p1!='{') return p;
30 
    p2=find_matching(p1+1,'}'); if(p2==NULL) return p;
31 
    p3=find_word_start(p2+1); if(*p3!='{') return p;
32 
    p4=find_matching(p3+1,'}'); if(p4==NULL) return p;
33 
    *p2=0; snprintf(buf,sizeof(buf),"%s",p1+1);
34 
    for(pp=strchr(buf,'\\'); pp!=NULL; pp=strchr(pp+1,'\\')) {
7677 bpr 35 
      if(isalnum(*(pp+1))) string_modify(buf,pp,pp+1,"$m_");
10 reyssat 36 
    }
8367 bpr 37 
    switch(type) {
38 
          case 0: fprintf(outf,"\n!if %s \n$()",buf); break;
39 
          case 1: fprintf(outf,"\n!ifval %s \n$()",buf);
40 
    }
10 reyssat 41 
    p5=find_word_start(p4+1);
42 
    if(*p5=='{' && (p6=find_matching(p5+1,'}'))!=NULL) {
7677 bpr 43 
      *p4=elsechar; *p5=' '; *p6=endifchar;
10 reyssat 44 
    }
45 
    else *p4=endifchar;
46 
    return p3+1;
47 
}
8367 bpr 48 
char *exec_if(char *p) {return _exec_if(p,0);}
49 
char *exec_ifval(char *p) {return _exec_if(p,1);}
10 reyssat 50 
 
51 
char *exec_for(char *p)
52 
{
53 
    char *p1, *p2, *p3, *p4, *pp;
54 
    char buf[MAX_LINELEN+1];
55 
    p1=find_word_start(p); if(*p1!='{') return p;
56 
    p2=find_matching(p1+1,'}'); if(p2==NULL) return p;
57 
    p3=find_word_start(p2+1); if(*p3!='{') return p;
58 
    p4=find_matching(p3+1,'}'); if(p4==NULL) return p;
59 
    *p2=0; snprintf(buf,sizeof(buf),"%s",p1+1);
60 
    for(pp=strchr(buf,'\\'); pp!=NULL; pp=strchr(pp+1,'\\')) {
7677 bpr 61 
      if(isalnum(*(pp+1))) string_modify(buf,pp,pp+1,"$m_");
10 reyssat 62 
    }
63 
    fprintf(outf," \n!for m_%s \n$()",find_word_start(buf));
64 
    *p4=nextchar;
7622 bpr 65 
    return p3+1;
10 reyssat 66 
}
5335 bpr 67 
/* process math formula inside \( ) or \( \) */
10 reyssat 68 
void process_formula(char *p)
69 
{
70 
    char *p3, bf[MAX_LINELEN+1];
7622 bpr 71 
 
8195 bpr 72 
    if(strlen(p)>=MAX_LINELEN) oef_error("formula too long");
10 reyssat 73 
    while((p3=strstr(p,"&lt;"))!=NULL) memmove(p3," <  ",4);
74 
    while((p3=strstr(p,"&gt;"))!=NULL) memmove(p3," >  ",4);
75 
    for(p3=strchr(p,'\n'); p3!=NULL; p3=strchr(p3,'\n')) *p3=' ';
7622 bpr 76 
    snprintf(bf,sizeof(bf),"%s",p);
10 reyssat 77 
    if(strchr(bf,'\\')==NULL && strchr(bf,'}')==NULL && strlen(bf)>2) {
7677 bpr 78 
      for(p3=strstr(bf,".."); p3!=NULL; p3=strstr(p3,"..")) {
79 
          if(*(p3+2)=='.' || *(p3+2)==',') {
80 
            do p3++; while(*p3=='.'); continue;
81 
          }
82 
          *p3=','; *(p3+1)=' ';
83 
      }
10 reyssat 84 
    }
85 
    fprintf(outf,"\n!insmath %s\n$()",bf);
86 
}
87 
 
88 
void out_exec(char *s1, char *s2)
89 
{
90 
    char *ps, *p, *pp, *pe, *pp2, *pe2, *pt, c;
91 
    char *p2, *p3;
92 
    if(s2) fprintf(outf,"\n!exit\n\n:%s\n$()",s2);
93 
    ps=s1;
94 
    for(p=ps;*p;p++) {
7677 bpr 95 
      if(*p==nextchar) {
96 
          *p=0;
97 
          fprintf(outf,"%s \n!next\n$()",ps); ps=p+1; continue;
98 
      }
99 
      if(*p==elsechar) {
100 
          *p=0;
101 
          fprintf(outf,"%s \n!else\n$()",ps); ps=p+1; continue;
102 
      }
103 
      if(*p==endifchar) {
104 
          *p=0;
105 
          fprintf(outf,"%s \n!endif\n$()",ps); ps=p+1; continue;
106 
      }
107 
      if(*p!='\\') continue;
108 
      c=*(p+1);
109 
      if(isalnum(c)) {
110 
/* exit */
8843 bpr 111 
          if(strncmp(p+1,"exit",strlen("exit"))==0 && !isalnum(*(p+strlen("exit")+1))) {
7677 bpr 112 
            *p=0; fprintf(outf,"%s\n!exit\n",ps); p+=5; ps=p;
113 
            continue;
114 
          }
115 
/* for */
8843 bpr 116 
          if(strncmp(p+1,"for",strlen("for"))==0 && *find_word_start(p+strlen("for")+1)=='{') {
7677 bpr 117 
            char *pt;
118 
            *p=0; fprintf(outf,"%s",ps); p++; ps=p;
119 
            pt=exec_for(p+3); if(pt>p+3) {p=pt-1;ps=pt;}
120 
            continue;
121 
          }
122 
/* if */
8843 bpr 123 
          if(strncmp(p+1,"if",strlen("if"))==0 && *find_word_start(p+strlen("if")+1)=='{') {
7677 bpr 124 
            char *pt;
125 
            *p=0; fprintf(outf,"%s",ps); p++; ps=p;
126 
            pt=exec_if(p+2); if(pt>p+2) {p=pt-1;ps=pt;}
127 
            continue;
128 
          }
8367 bpr 129 
/* ifval */
8843 bpr 130 
          if(strncmp(p+1,"ifval",strlen("ifval"))==0 && *find_word_start(p+strlen("ifval")+1)=='{') {
8367 bpr 131 
            char *pt;
132 
            *p=0; fprintf(outf,"%s",ps); p++; ps=p;
133 
            pt=exec_if(p+5); if(pt>p+5) {p=pt-1;ps=pt;}
134 
            continue;
135 
          }
7677 bpr 136 
/* canvasdraw */
8843 bpr 137 
          if(strncmp(p+1,"canvasdraw",strlen("canvasdraw"))==0 && *find_word_start(p+strlen("canvasdraw")+1)=='{') {
7677 bpr 138 
            pe=pp2=pe2="";
139 
            pp=find_word_start(p+11);
140 
            if(*pp) pe=find_matching(pp+1,'}');
141 
            if(pe) pp2=find_word_start(pe+1); else continue;
142 
            if(pp2) pe2=find_matching(pp2+1,'}'); else continue;
143 
            if(pe2 && *pp2=='{' && *pe2=='}') {
144 
                pp++; pp2++; *p=*pe=*pe2=0;
145 
                fprintf(outf,"%s \n\
7622 bpr 146 
!read oef/canvasdraw.phtml %s \\\n%s \n$()", ps,pp,pp2);
7677 bpr 147 
                ps=p=pe2; ps++; continue;
148 
            }
149 
          }
7622 bpr 150 
 
7677 bpr 151 
/* draw */
8843 bpr 152 
          if(strncmp(p+1,"draw",strlen("draw"))==0 && *find_word_start(p+strlen("draw")+1)=='{') {
7677 bpr 153 
            pe=pp2=pe2="";
154 
            pp=find_word_start(p+5);
155 
            if(*pp) pe=find_matching(pp+1,'}');
156 
            if(pe) pp2=find_word_start(pe+1); else continue;
157 
            if(pp2) pe2=find_matching(pp2+1,'}'); else continue;
158 
            if(pe2 && *pp2=='{' && *pe2=='}') {
159 
                pp++; pp2++; *p=*pe=*pe2=0;
160 
                while((pt=strstr(pp2,"$val1/"))!=NULL)
161 
                  ovlstrcpy(pt,pt+strlen("$val1/"));
162 
                fprintf(outf,"%s \n\
10 reyssat 163 
!read oef/draw.phtml %s \\\n%s \n$()", ps,pp,pp2);
7677 bpr 164 
                ps=p=pe2; ps++; continue;
165 
            }
166 
          }
167 
/* img */
168 
          if(strncmp(p+1,"img",strlen("img"))==0 && *find_word_start(p+strlen("img")+1)=='{') {
169 
            pe=pp2=NULL;
170 
            pp=find_word_start(p+strlen("img")+1);
171 
            if(*pp=='{') pe=find_matching(pp+1,'}');
172 
            if(pe) pp2=find_word_start(pe+1); else continue;
173 
            pe2=pe;
174 
            if(*pp2=='{') {
175 
                pe2=find_matching(++pp2,'}');
176 
                if(pe2) *pe2=0;
177 
            }
178 
            else pp2="";
179 
            if(*pp=='{' && *pe=='}') {
180 
                pp++; *p=*pe=0;
181 
                fprintf(outf,"%s \n\
10 reyssat 182 
!read oef/img.phtml %s %s \n$()", ps,pp,pp2);
7677 bpr 183 
                ps=p=pe2; ps++; continue;
184 
            }
185 
          }
186 
/* audio */
187 
          if(strncmp(p+1,"audio",strlen("audio"))==0 && *find_word_start(p+strlen("audio")+1)=='{') {
188 
            pe=pp2=NULL;
189 
            pp=find_word_start(p+strlen("audio")+1);
190 
            if(*pp=='{') pe=find_matching(pp+1,'}');
191 
            if(pe) pp2=find_word_start(pe+1); else continue;
192 
            pe2=pe;
193 
            if(*pp2=='{') {
194 
                pe2=find_matching(++pp2,'}');
195 
                if(pe2) *pe2=0;
196 
            }
197 
            else pp2="";
198 
            if(*pp=='{' && *pe=='}') {
199 
                pp++; *p=*pe=0;
200 
                fprintf(outf,"%s \n\
7132 bpr 201 
!read oef/audio.phtml %s %s \n$()", ps,pp,pp2);
7677 bpr 202 
                ps=p=pe2; ps++; continue;
203 
            }
204 
          }
8843 bpr 205 
/* embed */
206 
 
207 
          if(strncmp(p+1,"embed",strlen("embed"))==0 && *find_word_start(p+strlen("embed")+1)=='{') {
7677 bpr 208 
            pe=pp2=pe2="";
209 
            pp=find_word_start(p+6);
210 
            if(*pp) pe=find_matching(pp+1,'}');
211 
            if(pe && *pp=='{' && *pe=='}') {
212 
                pp++; *p=*pe=0;
213 
                fprintf(outf,"%s \n\
10 reyssat 214 
!read oef/embed.phtml %s \n$()", ps,pp);
7677 bpr 215 
                ps=p=pe; ps++; embedcnt++; continue;
216 
            }
217 
          }
8843 bpr 218 
          if(strncmp(p+1,"special",strlen("special"))==0 && *find_word_start(p+strlen("special"))=='{') {
7677 bpr 219 
            pe=pp2=pe2="";
220 
            pp=find_word_start(p+8);
221 
            if(*pp) pe=find_matching(pp+1,'}');
222 
            if(pe && *pp=='{' && *pe=='}') {
223 
                pp++; *p=*pe=0;
224 
                fprintf(outf,"%s \n\
10 reyssat 225 
!read oef/special.phtml %s \n$()", ps,pp);
7677 bpr 226 
                ps=p=pe; ps++; embedcnt++; continue;
227 
            }
228 
          }
229 
          *p++=0; fprintf(outf,"%s$m_",ps); ps=p; continue;
230 
      }
231 
      if(c=='\\') {
232 
          ovlstrcpy(p,p+1); continue;
233 
      }
234 
      if(c=='(') {
235 
          p2=find_matching(p+2,')'); p3=strstr(p,"\\)");
236 
          if((p2==NULL && p3!=NULL) ||
237 
             (p2!=NULL && p3!=NULL && p3<p2)) p2=p3+1;
238 
          if(p2==NULL) continue;
239 
          *p++=0; fprintf(outf,"%s",ps);
240 
          *p2=0; if(*(p2-1)=='\\') *(p2-1)=0;
241 
          process_formula(p+1);
242 
          formulaend: p=p2; ps=p+1;
243 
          continue;
244 
      }
245 
      if(c=='{') {
246 
          p2=find_matching(p+2,'}'); p3=strstr(p,"\\}");
247 
          if((p2==NULL && p3!=NULL) ||
248 
             (p2!=NULL && p3!=NULL && p3<p2)) p2=p3+1;
249 
          if(p2==NULL) continue;
250 
          *p++=0; fprintf(outf,"%s",ps);
251 
          *p2=0; process_formula(p+1);
252 
          goto formulaend;
253 
      }
10 reyssat 254 
    }
255 
    fprintf(outf,"%s\n$()",ps);
256 
}
257