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// SPDX-License-Identifier: GPL-2.0+
/* genmap.c
* originally written by: Kirk Reiser.
*
** Copyright (C) 2002 Kirk Reiser.
* Copyright (C) 2003 David Borowski.
*/
#include <stdlib.h>
#include <stdio.h>
#include <libgen.h>
#include <string.h>
#include <linux/version.h>
#include <ctype.h>
#include "utils.h"
struct st_key_init {
char *name;
int value, shift;
};
static unsigned char key_data[MAXKEYVAL][16], *kp;
#include "mapdata.h"
static const char delims[] = "\t\n ";
static char *cp;
static int map_ver = 119; /* an arbitrary number so speakup can check */
static int shift_table[17];
static int max_states = 1, flags;
/* flags reserved for later, maybe for individual console maps */
static int get_shift_value(int state)
{
int i;
for (i = 0; shift_table[i] != state; i++) {
if (shift_table[i] == -1) {
if (i >= 16)
oops("too many shift states", NULL);
shift_table[i] = state;
max_states = i+1;
break;
}
}
return i;
}
int
main(int argc, char *argv[])
{
int value, shift_state, i, spk_val = 0, lock_val = 0;
int max_key_used = 0, num_keys_used = 0;
struct st_key *this;
struct st_key_init *p_init;
char buffer[256];
bzero(key_table, sizeof(key_table));
bzero(key_data, sizeof(key_data));
shift_table[0] = 0;
for (i = 1; i <= 16; i++)
shift_table[i] = -1;
if (argc < 2) {
fputs("usage: genmap filename\n", stderr);
exit(1);
}
for (p_init = init_key_data; p_init->name[0] != '.'; p_init++)
add_key(p_init->name, p_init->value, p_init->shift);
open_input(".", argv[1]);
while (fgets(buffer, sizeof(buffer), infile)) {
lc++;
value = shift_state = 0;
cp = strtok(buffer, delims);
if (*cp == '#')
continue;
while (cp) {
if (*cp == '=')
break;
this = find_key(cp);
if (this == NULL)
oops("unknown key/modifier", cp);
if (this->shift == is_shift) {
if (value)
oops("modifiers must come first", cp);
shift_state += this->value;
} else if (this->shift == is_input)
value = this->value;
else
oops("bad modifier or key", cp);
cp = strtok(0, delims);
}
if (!cp)
oops("no = found", NULL);
cp = strtok(0, delims);
if (!cp)
oops("no speakup function after =", NULL);
this = find_key(cp);
if (this == NULL || this->shift != is_spk)
oops("invalid speakup function", cp);
i = get_shift_value(shift_state);
if (key_data[value][i]) {
while (--cp > buffer)
if (!*cp)
*cp = ' ';
oops("two functions on same key combination", cp);
}
key_data[value][i] = (char)this->value;
if (value > max_key_used)
max_key_used = value;
}
fclose(infile);
this = find_key("spk_key");
if (this)
spk_val = this->value;
this = find_key("spk_lock");
if (this)
lock_val = this->value;
for (lc = 1; lc <= max_key_used; lc++) {
kp = key_data[lc];
if (!memcmp(key_data[0], kp, 16))
continue;
num_keys_used++;
for (i = 0; i < max_states; i++) {
if (kp[i] != spk_val && kp[i] != lock_val)
continue;
shift_state = shift_table[i];
if (shift_state&16)
continue;
shift_state = get_shift_value(shift_state+16);
kp[shift_state] = kp[i];
/* fill in so we can process the key up, as spk bit will be set */
}
}
printf("\t%d, %d, %d,\n\t", map_ver, num_keys_used, max_states);
for (i = 0; i < max_states; i++)
printf("%d, ", shift_table[i]);
printf("%d,", flags);
for (lc = 1; lc <= max_key_used; lc++) {
kp = key_data[lc];
if (!memcmp(key_data[0], kp, 16))
continue;
printf("\n\t%d,", lc);
for (i = 0; i < max_states; i++)
printf(" %d,", (unsigned int)kp[i]);
}
printf("\n\t0, %d\n", map_ver);
exit(0);
}
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