/*
** Displays a message to the braille terminal
** The cursor can be positionned with the second argument
*/
int brl_message(char *str, unsigned char cursorpos)
{
int ret = 0;
unsigned int len = strlen((char*)str);
char* q = str;
unsigned char i = 1;
unsigned char* buffer = malloc(512);
unsigned char* p = buffer;
*p++ = 'D';
*p++ = 'M';
while (*q)
{
if (cursorpos >= 1 && i == cursorpos) {
*p++ = '\x1b';
*p++ = '\x02';
}
*p++ = *q++;
i++;
}
brl_write(buffer, cursorpos == 0 ? len + 2 : len + 4);
free(buffer);
return ret;
}
static int showbrfile(t_env* env)
{
unsigned char cursorpos = positions[env->status];
unsigned char ext = extensions[env->curext];
unsigned char* buf = malloc(256);
unsigned char* str = malloc(256); /* the string to display */
buf[0] = '\005';
buf[1] = 'F';
buf[2] = 'N';
buf[3] = ext;
buf[4] = (env->brfilenum & 0xff00) >> 2;
buf[5] = env->brfilenum & 0x00ff;
brl_write(buf+1, 5);
while (1)
{
brl_read(buf);
if (!strncmp((char*)buf, "\003KT", 3))
continue;
else
break;
}
if (!strncmp((char*)buf, "\003FE", 3))
{
env->brfilenum--;
return 0;
}
strcpy((char*)str, env->brpc ? "BR>PC " : "PC>BR ");
strncat((char*)str, ((char*)&(buf[6])), buf[0] - 5);
strcat((char*)str, ".");
strncat((char*)str, (char*)&ext, 1);
brl_message((char*)str, cursorpos);
free(buf);
free(str);
return 0;
}
int brtopc(t_env* env)
{
int fd; /* fd of a temporary file */
unsigned int lines = 0; /* number of packets transfered */
unsigned char destext = 0; /* conversion of the destination file */
unsigned char buf[BUFFER_SIZE]; /* received buffer */
unsigned char str[BUFFER_SIZE]; /* sent buffer */
unsigned char ext = extensions[env->curext]; /* current extension */
unsigned char filename[15]; /* The transfered file name */
unsigned char filename1[15]; /* The filename without extension */
while (1)
{
/* Asking name of current selected file */
strcpy((char*)buf, "\005FN");
buf[3] = ext;
buf[4] = (env->brfilenum & 0xff00) >> 2;
buf[5] = env->brfilenum & 0x00ff;
brl_write(buf+1, 5);
brl_read(buf);
strcpy((char*)str, "Conv ");
strncat((char*)str, ((char*)&(buf[6])), buf[0] - 5);
filename[0] = 0;
strncat((char*)filename, ((char*)&(buf[6])), buf[0] - 5);
strcat((char*)str, ".");
remove_blanks(filename);
strcpy((char*)filename1, (char*)filename);
strcat((char*)filename, ".");
if (destext == 0) {
strncat((char*)str, ((char*)&(extensions[env->curext])), 1);
strncat((char*)filename, ((char*)&(extensions[env->curext])), 1);
}
else {
strcat((char*)str, "TXT");
strcat((char*)filename, "TXT");
}
brl_message((char*)str, 0);
brl_read(buf);
if (!strncmp((char*)buf, "\003KT*", 4))
return 1;
if (!strncmp((char*)buf, "\003KT#", 4))
break;
if (!strncmp((char*)buf, "\003KT8", 4))
destext = !destext;
if (!strncmp((char*)buf, "\003KT2", 4))
destext = !destext;
}
strcpy((char*)buf, "\005FO");
buf[3] = ext;
buf[4] = (env->brfilenum & 0xff00) >> 2;
buf[5] = env->brfilenum & 0x00ff;
brl_write(buf+1, 5);
brl_read(buf);
if (strncmp((char*)buf, "\003FE\x10", 4))
{
brl_lasting_message("Erreur ouv br");
return 1;
}
if ((fd = open((char*)filename, O_WRONLY | O_CREAT | O_TRUNC, 0600)) == -1)
{
perror("open");
brl_message("! Err ecriture PC", 0);
sleep(1);
return 1;
}
while (1)
{
brl_writeStr(READ_LINE);
brl_read(buf);
if (!strncmp((char*)buf, "\003KT", 3))
{
printf("touche appuyée\n");
if (!strncmp((char*)buf, "\003KT*", 4))
{
printf("touche * appuyée\n");
brl_lasting_message("! interrompu ");
return 1;
}
}
if (!strncmp((char*)buf, "\003FE", 3))
{
if (buf[3] == '\x13')
break;
else
{
printf("code inattendu\n");
brl_lasting_message("! transfert interrompu");
return 1;
}
}
sprintf((char*)str, "... %s %d", filename, lines);
brl_message((char*)str, 0);
write(fd, &(buf[3]), buf[0] - 2);
lines++;
}
brl_writeStr(CLOSE_FILE);
brl_read(buf);
if (strncmp((char*)buf, "\003FE\x10", 4))
{
brl_lasting_message("! erreur");
return 1;
}
printf("fichier fermé\n");
close(fd);
if (destext)
{
strcat((char*)filename1, ".TXT");
if (!k2txt(env, (char*)filename, (char*)filename1))
{
brl_lasting_message("! Erreur conversion");
return 1;
}
}
brl_lasting_message("! Fin transfert");
return 1;
}
/*
** PC to BR meta-function
*/
int pctobr(t_env* env)
{
char end = 0;
int i = 0;
unsigned int count = 0;
unsigned char conv = 0;
unsigned int lines = 0;
unsigned char buf[BUFFER_SIZE]; /* received buffer */
unsigned char str[BUFFER_SIZE]; /* sent buffer */
char* tmpfilename = "/tmp/eutp.tmp";
for (i = 0; i < BUFFER_SIZE; i++)
{
buf[i] = 0;
str[i] = 0;
}
conv = normalize_filename(env);
if ((env->fd = open(env->list[env->pcfilenum]->d_name, O_RDONLY)) == -1)
{
brl_message("!Erreur ouv pc", 0);
sleep(1);
return 0;
}
env->fs = fdopen(env->fd, "r");
/* Ouverture fichier en écriture sur le terminal braille */
str[0] = '\x0C';
strncpy((char*)&str[1], "Fo\x00", 3);
str[4] = env->curext;
strncpy((char*)&str[5], env->filename, 8);
brl_write(str+1, 12);
brl_read(buf);
if (!strncmp((char*)buf, "\003FE\x21", 4))
{
if (brl_yesno_question("! Remplacer ? #"))
str[3] = 1;
else
return 1;
brl_write(str+1, 12);
brl_read(buf);
}
if (strncmp((char*)buf, "\002FW", 3))
{
brl_lasting_message("! erreur ouv br");
brl_writeStr(CLOSE_FILE);
return 1;
}
while (!end)
{
end = read_trame_from_file(env, str, &count);
for (i = 0; i < 30; i++)
printf(",%d,", str[i]);
printf("\n");
if (count == 4242) /* fin fichier */
{
printf("fin fichier\n");
end = 1;
}
brl_write(str+1, count);
brl_read(buf);
if (strncmp((char*)buf, (char*)"\002FW", 3))
{
printf("erreur transfert\n");
for (i = 0; i < 30; i++)
printf(",%d,", buf[i]);
printf("\n");
brl_lasting_message("! Erreur transfert");
brl_writeStr(CLOSE_FILE);
return 1;
}
lines++;
sprintf((char*)str, "... %s.%c %d", env->filename, env->curext, lines);
brl_message((char*)str, 0);
}
brl_writeStr(CLOSE_FILE);
brl_read(buf);
if (strncmp((char*)buf, "\003FE\x10", 4))
{
printf("errer fermeture\n");
for (i = 0; i < 30; i++)
printf(",%d,", buf[i]);
printf("\n");
brl_lasting_message("! err fermeture");
fclose(env->fs);
close(env->fd);
return 1;
}
brl_message("! Fin transfert", 0);
sleep(1);
fclose(env->fs);
close(env->fd);
if (conv)
unlink(tmpfilename);
return 1;
}
/*
** Write a string to the terminal
** The string is supposed terminated by a \0 character
*/
void brl_writeStr(char *str)
{
brl_write((unsigned char*)str, strlen(str));
}
