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10 reyssat 1 
/*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 */
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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;
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    *p2=0; snprintf(buf,sizeof(buf),"%s",p1+1);
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    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;
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          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);}
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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;
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    p4=find_matching(p3+1,'}'); if(p4==NULL) return p;
59 
    *p2=0; snprintf(buf,sizeof(buf),"%s",p1+1);
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    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);
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    while((p3=strstr(p,"&gt;"))!=NULL) memmove(p3," >  ",4);
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    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,"..")) {
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          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 
 
8947 bpr 88 
/* deux accolades obligatoires */
8882 bpr 89 
int _matchit3(char **p, char **ps, char *name, int type)
90 
{
91 
  char *pp = find_word_start(*p+strlen(name)+1);
92 
  if(strncmp(*p+1,name,strlen(name))==0 && *pp=='{') {
93 
    char *pp2, *pe2, *pt;
94 
    char *pe=find_matching(pp+1,'}');
95 
    if(pe) pp2=find_word_start(pe+1); else return 1;
8947 bpr 96 
    if(pp2 && *pp2=='{') pe2=find_matching(pp2+1,'}'); else return 1;
97 
    if(pe2) {
8882 bpr 98 
      pp++; pp2++; **p=*pe=*pe2=0;
99 
      switch(type) {
100 
     /* $val1 is $imagedir supprime s'il se trouve dans le code de draw */
101 
          case 0: while((pt=strstr(pp2,"$val1/"))!=NULL) ovlstrcpy(pt,pt+strlen("$val1/")); break;
102 
      }
103 
      fprintf(outf,"%s \n\
104 
!read oef/%s.phtml %s \\\n%s \n$()", *ps,name,pp,pp2);
105 
     *ps=*p=pe2; (*ps)++; return 1;
106 
     }
107 
  }
108 
  return 0;
109 
}
8850 bpr 110 
 
8882 bpr 111 
/* deux accolades la deuxième non obligatoire */
112 
int _matchit2(char **p, char **ps, char *name)
113 
{
114 
  char *pp = find_word_start(*p+strlen(name)+1);
115 
  if(strncmp(*p+1,name,strlen(name))==0 && *pp=='{') {
116 
    char *pp2, *pe2;
117 
    char *pe=find_matching(pp+1,'}');
118 
    if(pe) pp2=find_word_start(pe+1); else return 1;
119 
    pe2=pe;
120 
    if(*pp2=='{') {
121 
      pe2=find_matching(++pp2,'}');
122 
      if(pe2) *pe2=0;
123 
    }
124 
    else pp2="";
8947 bpr 125 
    pp++; **p=*pe=0;
126 
    fprintf(outf,"%s \n\
8882 bpr 127 
!read oef/%s.phtml %s %s \n$()", *ps,name,pp,pp2);
8947 bpr 128 
    *ps=*p=pe2; (*ps)++; return 1;
8882 bpr 129 
  }
130 
  return 0;
131 
}
8947 bpr 132 
 
133 
/* une seule accolade */
8882 bpr 134 
int _matchit1(char **p, char **ps, char *name)
135 
{
136 
  char *pp = find_word_start(*p+strlen(name)+1);
137 
  if(strncmp(*p+1,name,strlen(name))==0 && *pp=='{') {
138 
    char *pe=find_matching(pp+1,'}');
8947 bpr 139 
    if(pe) {
140 
      pp++; **p=*pe=0;
141 
      fprintf(outf,"%s \n\
8882 bpr 142 
!read oef/%s.phtml %s \n$()", *ps,name,pp);
8947 bpr 143 
      *ps=*p=pe; (*ps)++; embedcnt++; return 1;
144 
    }
8882 bpr 145 
  }
146 
  return 0;
147 
}
148 
 
10 reyssat 149 
void out_exec(char *s1, char *s2)
150 
{
8882 bpr 151 
    char *ps, *p, c, *p2, *p3;
10 reyssat 152 
    if(s2) fprintf(outf,"\n!exit\n\n:%s\n$()",s2);
153 
    ps=s1;
154 
    for(p=ps;*p;p++) {
7677 bpr 155 
      if(*p==nextchar) {
156 
          *p=0;
157 
          fprintf(outf,"%s \n!next\n$()",ps); ps=p+1; continue;
158 
      }
159 
      if(*p==elsechar) {
160 
          *p=0;
161 
          fprintf(outf,"%s \n!else\n$()",ps); ps=p+1; continue;
162 
      }
163 
      if(*p==endifchar) {
164 
          *p=0;
165 
          fprintf(outf,"%s \n!endif\n$()",ps); ps=p+1; continue;
166 
      }
167 
      if(*p!='\\') continue;
168 
      c=*(p+1);
169 
      if(isalnum(c)) {
170 
/* exit */
8843 bpr 171 
          if(strncmp(p+1,"exit",strlen("exit"))==0 && !isalnum(*(p+strlen("exit")+1))) {
8850 bpr 172 
            *p=0; fprintf(outf,"%s\n!exit\n",ps); p+=strlen("exit")+1; ps=p;
7677 bpr 173 
            continue;
174 
          }
175 
/* for */
8843 bpr 176 
          if(strncmp(p+1,"for",strlen("for"))==0 && *find_word_start(p+strlen("for")+1)=='{') {
7677 bpr 177 
            char *pt;
178 
            *p=0; fprintf(outf,"%s",ps); p++; ps=p;
8850 bpr 179 
            pt=exec_for(p+strlen("for")); if(pt>p+strlen("for")) {p=pt-1;ps=pt;}
7677 bpr 180 
            continue;
181 
          }
182 
/* if */
8843 bpr 183 
          if(strncmp(p+1,"if",strlen("if"))==0 && *find_word_start(p+strlen("if")+1)=='{') {
7677 bpr 184 
            char *pt;
185 
            *p=0; fprintf(outf,"%s",ps); p++; ps=p;
8859 bpr 186 
            pt=exec_if(p+2); if(pt>p+strlen("if")) {p=pt-1;ps=pt;}
7677 bpr 187 
            continue;
188 
          }
8367 bpr 189 
/* ifval */
8843 bpr 190 
          if(strncmp(p+1,"ifval",strlen("ifval"))==0 && *find_word_start(p+strlen("ifval")+1)=='{') {
8367 bpr 191 
            char *pt;
192 
            *p=0; fprintf(outf,"%s",ps); p++; ps=p;
8850 bpr 193 
            pt=exec_if(p+strlen("ifval")); if(pt>p+strlen("ifval")) {p=pt-1;ps=pt;}
8367 bpr 194 
            continue;
195 
          }
8882 bpr 196 
          if (_matchit2(&p, &ps, "img")) continue;
197 
          if (_matchit2(&p, &ps, "audio")) continue;
198 
          if (_matchit1(&p, &ps, "embed")) continue;
199 
          if (_matchit1(&p, &ps, "special")) continue;
200 
          if (_matchit3(&p, &ps, "draw",1)) continue;
201 
          if (_matchit3(&p, &ps, "canvasdraw",0)) continue;
7677 bpr 202 
          *p++=0; fprintf(outf,"%s$m_",ps); ps=p; continue;
203 
      }
204 
      if(c=='\\') {
205 
          ovlstrcpy(p,p+1); continue;
206 
      }
207 
      if(c=='(') {
208 
          p2=find_matching(p+2,')'); p3=strstr(p,"\\)");
209 
          if((p2==NULL && p3!=NULL) ||
210 
             (p2!=NULL && p3!=NULL && p3<p2)) p2=p3+1;
211 
          if(p2==NULL) continue;
212 
          *p++=0; fprintf(outf,"%s",ps);
213 
          *p2=0; if(*(p2-1)=='\\') *(p2-1)=0;
214 
          process_formula(p+1);
215 
          formulaend: p=p2; ps=p+1;
216 
          continue;
217 
      }
218 
      if(c=='{') {
219 
          p2=find_matching(p+2,'}'); p3=strstr(p,"\\}");
220 
          if((p2==NULL && p3!=NULL) ||
221 
             (p2!=NULL && p3!=NULL && p3<p2)) p2=p3+1;
222 
          if(p2==NULL) continue;
223 
          *p++=0; fprintf(outf,"%s",ps);
224 
          *p2=0; process_formula(p+1);
225 
          goto formulaend;
226 
      }
10 reyssat 227 
    }
228 
    fprintf(outf,"%s\n$()",ps);
229 
}
230