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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <inttypes.h>
#include "gen/ucstoname_hash.h"
#define UCS_CNT 0x110000
const char *program;
void die(const char *msg)
{
fprintf(stderr, "%s: %s\n", program, msg);
exit(1);
}
static const char *int24str(int32_t n)
{
static char str[17];
sprintf(str, "{0x%02x,0x%02x,0x%02x}",
(n & 0xff),
((n >> 8) & 0xff),
((n >> 16) & 0xff));
return str;
}
static int proparrayindex[UCS_CNT];
static void read_proparrayindex(void)
{
FILE *f = fopen("gen/proparrayindex", "rt");
if ( !f )
die("could not open gen/proparrayindex");
int last = 0, prev_ix = -1;
int curr, i, ix;
while ( fscanf(f, "%x %d\n", &curr, &ix) == 2 ) {
for ( i = last ; i < curr ; i++ )
proparrayindex[i] = prev_ix;
last = curr;
prev_ix = ix;
}
for ( i = last ; i < UCS_CNT ; i++ )
proparrayindex[i] = prev_ix;
fclose(f);
}
static int nameslistoffset[UCS_CNT];
static void read_nameslistoffset(void)
{
FILE *f = fopen("gen/nameslist.offset", "rt");
if ( !f )
die("could not open gen/nameslist.offset");
int curr, offset;
int i;
for ( i = 0 ; i < UCS_CNT ; i++ )
nameslistoffset[i] = -1;
while ( fscanf(f, "%x %d\n", &curr, &offset) == 2 )
nameslistoffset[curr] = offset;
fclose(f);
}
int32_t hash_to_ucs[PHASHNKEYS];
static void compute_hash_to_ucs(void)
{
uint32_t hash;
int i;
for ( i = 0 ; i < PHASHNKEYS ; i++ )
hash_to_ucs[i] = -1;
for ( i = 0 ; i < UCS_CNT ; i++ ) {
if ( nameslistoffset[i] != -1 ) {
hash = _libucd_ucstoname_hash(i);
if ( hash >= PHASHNKEYS )
die("hash not minimal");
if ( hash_to_ucs[hash] != -1 )
die("hash collision");
hash_to_ucs[hash] = i;
}
}
}
static void make_ucstoname_tab(void)
{
FILE *f = fopen("gen/ucstoname_tab.c", "wt");
if ( !f )
die("could not create gen/ucstoname_tab.c");
int i;
int32_t ucs;
fprintf(f,
"#include \"libucd_int.h\"\n"
"const struct _libucd_ucstoname_tab _libucd_ucstoname_tab[] =\n"
"{\n");
for ( i = 0 ; i < PHASHNKEYS ; i++ ) {
ucs = hash_to_ucs[i];
fprintf(f, "\t{ %s, ", int24str(ucs));
fprintf(f, "%s, ", int24str(nameslistoffset[ucs]));
fprintf(f, "%d },\n", proparrayindex[ucs]);
}
fprintf(f, "};\n");
fclose(f);
}
int main(void)
{
read_proparrayindex();
read_nameslistoffset();
compute_hash_to_ucs();
make_ucstoname_tab();
return 0;
}
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