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#include <string.h>
#define yputc(a) putc(a, yyout)
#include "table.h"
int oldpt = -1, nbpts = -1;
int curptr = 0, p, full = 0;
void putptr(void);
%%
"<NBPTS "[[:digit:]]+">\n" {
int i;
nbpts = atoi(yytext + 7);
fprintf(stderr, "nbpts = %i\n", nbpts);
unsigned short int z = 0;
fwrite(&nbpts, 2, 1, yyout);
for (i = 0; i < nbpts; i++) {
fwrite(&z, 2, 1, yyout);
}
curptr = 1;
p = ftell(yyout);
fseek(yyout, 2, SEEK_SET);
fwrite(&p, 2, 1, yyout);
fseek(yyout, p, SEEK_SET);
}
"<PT"[[:digit:]]+">\n" {
int d = atoi(yytext + 3);
if (d != (oldpt + 1)) {
fprintf(stderr, "Pointeur incorrect ligne %i: %i\n", yylineno, d);
}
oldpt = d;
yputc(0xfe);
yputc(d);
}
"<UNK "[[:xdigit:]]+">" {
int d = strtoul(yytext + 5, NULL, 16);
yputc(d);
}
"<TAG"[[:digit:]]+">" {
int d = atoi(yytext + 4);
yputc(0xfb);
yputc(d);
}
"<CHOICES "[[:digit:]]+">\n" {
int d = atoi(yytext + 9);
yputc(0xfb);
yputc(9);
yputc(d);
}
"<TIMER "[[:digit:]]+">" {
int d = atoi(yytext + 7);
yputc(0xfb);
yputc(7);
yputc(d);
}
"<UNKCMD "[[:digit:]]+">" {
int d = atoi(yytext + 8);
yputc(0xfb);
yputc(d);
}
"<CLOSE>\n" { yputc(0xff); putptr(); }
"\n<CLOSE>\n" { yputc(0xff); putptr(); }
"<AYA>" yputc(0xfa);
"\n<TCLOSE>\n" { yputc(0xf9); putptr(); }
"<EMPTYPTR>\n" { putptr(); }
"<PAUSE>\n" yputc(0xf8);
"\n" yputc(0xf7);
"<ae>" yputc(0x5c);
"<oe>" yputc(0x5d);
"<"[^>]*">" {
fprintf(stderr, "Commande inconnue ligne %i: %s\n", yylineno, yytext);
}
. {
int i, trouve = 0;
for (i = 0; i <= MAXCHAR; i++) {
if (table[i] == *yytext) {
trouve = 1;
yputc(i);
}
}
if (!trouve) {
fprintf(stderr, "Caractère inconnu ligne %i: %s\n", yylineno, yytext);
}
}
%%
int yywrap(void) {
if ((nbpts != -1) && (!full)) {
fprintf(stderr, "Pas assez de pointeurs\n");
}
exit(0);
}
void putptr(void) {
if (nbpts == -1)
return;
if (curptr == nbpts) {
full = 1;
curptr++;
return;
}
if (curptr > nbpts) {
fprintf(stderr, "Trop de pointeurs ligne %i\n", yylineno);
return;
}
p = ftell(yyout);
fseek(yyout, 2 * curptr + 2, SEEK_SET);
fwrite(&p, 2, 1, yyout);
fseek(yyout, 0, SEEK_END);
curptr++;
}
int main(int argc, char ** argv) {
if ((argc < 2) || (argc > 3)) {
fprintf(stderr, "Usage: %s <output> [input]\n", argv[0]);
exit(-1);
}
if (!(yyout = fopen(argv[1], "wb"))) {
fprintf(stderr, "Error: can't open file %s\n", argv[1]);
exit(-1);
}
if (argc == 3) {
if (!(yyin = fopen(argv[2], "rb"))) {
fprintf(stderr, "Error: can't open file %s\n", argv[2]);
exit(-1);
}
}
fprintf(stderr, "Creating file %s\n", argv[1]);
yylex();
return 0;
}
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