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#include <stdio.h>
#include <ctype.h>
char * transl[256];
#define LINE_LENGTH 1024
char line[LINE_LENGTH];
int isprefix(s, pref)
char * s;
char * pref;
{
while (1) {
if (*pref == 0) return 1;
if (*s == 0) return 0;
if (*s != *pref) return 0;
s++;
pref++;
}
}
int main(argc, argv)
int argc;
char * argv [];
{
unsigned char * p;
int c;
int inquote;
int inverb;
int inverbatim_like;
int incaml;
int inverbatim = 0;
char *verbatim_end_in = "";
char *verbatim_end_out = "";
for (c = 0; c < 256; c++) transl[c] = NULL;
#ifdef TIE_BLANKS
transl[' '] = "~";
transl['\n'] = "~";
#else
transl[' '] = "\\ ";
transl['\n'] = "\\ ";
#endif
transl['{'] = "{\\char123}";
transl['}'] = "{\\char125}";
transl['^'] = "{\\char94}";
transl['_'] = "{\\char95}";
transl['\\'] = "{\\char92}";
transl['~'] = "{\\char126}";
transl['$'] = "\\$";
transl['&'] = "{\\char38}";
transl['#'] = "\\#";
transl['%'] = "\\%";
transl['\''] = "{\\textquotesingle}";
transl['`'] = "{\\textasciigrave}";
inverbatim_like = 0;
incaml = 0;
inquote = 0;
inverbatim = 0;
puts ("% THIS FILE IS GENERATED.\n");
while(fgets(line, LINE_LENGTH, stdin) != NULL) {
if (inverbatim_like) {
fputs(line, stdout);
if (isprefix(line, "\\end{caml_")
|| isprefix(line, "\\end{rawhtml}")) inverbatim_like = 0;
continue;
}
if (incaml) {
fputs(line, stdout);
if (isprefix(line, "\\endcaml")) incaml = 0;
continue;
}
if (inverbatim){
if (isprefix (line, verbatim_end_in)){
fputs (verbatim_end_out, stdout);
inverbatim = 0;
}else{
for (p = (unsigned char *) line; *p != 0; p++){
c = *p;
if (c == ' ' || c == '\n' || transl[c] == NULL){
putchar (c);
}else{
fputs (transl[c], stdout);
}
}
}
continue;
}
if (isprefix(line, "\\begin{caml_")
|| isprefix(line, "\\begin{rawhtml}")) {
fputs(line, stdout);
inverbatim_like = 1;
continue;
}
if (isprefix(line, "\\caml")) {
fputs(line, stdout);
incaml = 1;
continue;
}
if (isprefix (line, "\\begin{verbatim}")){
fputs ("\\begin{machineenv}", stdout);
inverbatim = 1;
verbatim_end_in = "\\end{verbatim}";
verbatim_end_out = "\\end{machineenv}";
continue;
}
if (isprefix (line, "\\begin{ocamldoccode}")){
fputs ("\\begin{ocamldoccode}", stdout);
inverbatim = 1;
verbatim_end_in = "\\end{ocamldoccode}";
verbatim_end_out = "\\end{ocamldoccode}";
continue;
}
inverb = 0;
for (p = (unsigned char *) line; *p != 0; p++) {
c = *p;
if (inverb) {
if (c == inverb){
inverb = 0;
}else if (c == '\'' || c == '`'){
fprintf (stderr, "Warning: %c found in \\verb\n", c);
}
putchar(c);
continue;
}
switch(c) {
case '"':
if (inquote) {
fputs("}}", stdout);
inquote = 0;
} else {
fputs("{\\machine{", stdout);
inquote = 1;
}
break;
case '\\':
if (inquote) {
if (p[1] == '"' || p[1] == '\\') {
c = p[1];
p++;
}
if (transl[c] != NULL)
fputs(transl[c], stdout);
else
putchar(c);
} else if (isprefix(p, "\\verb") && p[5] != 0 && !isalpha(p[5])) {
inverb = p[5];
p = p + 5;
fputs("\\verb", stdout);
putchar(inverb);
} else {
putchar('\\');
}
break;
default:
if (inquote && transl[c] != NULL)
fputs(transl[c], stdout);
else
putchar(c);
}
}
}
return 0;
}
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