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/* COPYRIGHT (C) 1987 Kamal Al-Yahya */
#include "setups.h"
Eqn(buffer,out_file) /* srips TEX equations */
FILE *out_file;
char *buffer;
{
int c,d;
int i;
char w[MAXLINE], ww[MAXWORD];
while ((c = *buffer++) != NULL)
{
if(c == '%')
{
while ((c = *buffer++) != NULL)
if (c == '\n') break;
}
else if(c == '$')
{
if ((d = *buffer++) == '$')
{
putc(c,out_file); putc(d,out_file);
while ((c = *buffer++) != NULL)
{
if(c != '$') putc(c,out_file);
else
{
buffer++;
fprintf(out_file,"$$ \n");
break;
}
}
}
}
/* check for LaTeX \begin{equation}, \begin{eqnarray}, and \begin{displaymath} */
else if(c == '\\')
{
c = *buffer++;
if (c == '[')
{
putc('\\',out_file); putc(c,out_file);
while((c = *buffer++) != NULL)
{
if(c == '\\')
{
c = *buffer++;
fprintf(out_file,"\\%c",c);
if (c == ']')
{
putc('\n',out_file);
break;
}
}
else
putc(c,out_file);
}
continue;
}
buffer--;
buffer += get_buf_word(buffer,w);
if (strcmp(w,"begin") == 0)
{
buffer++;
i = get_buf_word(buffer,w);
buffer += i;
if (strcmp(w,"equation") == 0 || strcmp(w,"eqnarray")
== 0 || strcmp(w,"displaymath") == 0)
{
fprintf(out_file,"\\begin{%s}",w);
buffer++;
while ((c = *buffer++) != NULL)
{
putc(c,out_file);
if (c == '\\')
{
i = get_buf_word(buffer,ww);
buffer += i;
fprintf(out_file,"%s",ww);
if (strcmp(ww,"end") == 0)
{
buffer++;
i = get_buf_word(buffer,ww);
buffer += i;
fprintf(out_file,
"{%s}\n",ww);
buffer++;
if (strcmp(ww,"equation")
== 0 ||
strcmp(ww,"eqnarray")
== 0 ||
strcmp(ww,"displaymath")
== 0)
break;
}
}
}
}
}
else if (strcmp(w,"def") == 0)
{
i = def(buffer,w);
buffer += i;
fprintf(out_file,"\\def%s\n",w);
}
else if (strcmp(w,"newcommand") == 0)
{
i = command(buffer,w);
buffer += i;
fprintf(out_file,"\\newcommand%s\n",w);
}
}
}
}
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