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#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <assert.h>
#define FILL_CHARACTER '.'
#define mytoupper(x) (islower(x) ? toupper(x) : (x))
int
main(int argc, char *argv[])
{
unsigned int letters[0x100];
unsigned int order[0x100];
unsigned char *pairs[0x100];
FILE *f;
unsigned int i, j, k;
int first, second;
/* read letters */
for (i = 0; i < 0x100; i++) {
letters[i] = 0;
pairs[i] = NULL;
}
f = fopen(argv[2], "r");
while (fscanf(f, "%lx", &j) == 1)
letters[j] = 0xff;
fclose(f);
/* read stuff */
j = 0;
while ((first = getchar()) != EOF) {
pairs[first] = (unsigned char*)malloc(0x101);
order[j] = first;
letters[first] = j++;
getchar(); /* : */
i = 0;
while ((second = getchar()) != '\n')
pairs[first][i++] = (unsigned char*)second;
pairs[first][i] = '\0';
}
assert(order[0] == FILL_CHARACTER);
puts("/* THIS IS A GENERATED TABLE, see data/pairtoc.c. */");
printf("static const unsigned char LETTER_");
for (i = 0; argv[1][i]; i++)
printf("%c", mytoupper(argv[1][i]));
puts("[] = {");
for (i = 0; i < 0x100; i++) {
if (i % 8 == 0)
printf(" ");
printf("%3u", letters[i]);
if (i % 8 == 7)
printf(", /* 0x%02x */\n", i-7);
else
printf(", ");
}
puts("};\n");
puts("/* THIS IS A GENERATED TABLE, see data/pairtoc.c. */");
printf("static const unsigned char *PAIR_");
for (i = 0; argv[1][i]; i++)
printf("%c", mytoupper(argv[1][i]));
puts("[] = {\n");
printf(" (unsigned char*)\"");
for (k = 0; pairs[FILL_CHARACTER][k]; k++) {
printf("\\x%02x", pairs[FILL_CHARACTER][k]);
}
printf("\", /* FILLCHAR */\n");
for (i = 1; i < j; i++) {
printf(" (unsigned char*)\"");
for (k = 0; pairs[order[i]][k]; k++) {
if (pairs[order[i]][k] == FILL_CHARACTER)
printf(".");
else
printf("\\x%02x", pairs[order[i]][k]);
}
printf("\", /* 0x%02x */\n", order[i]);
}
puts("};\n");
return 0;
}
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