FcLangSet *
FcFreeTypeLangSet (const FcCharSet *charset,
const FcChar8 *exclusiveLang)
{
int i, j;
FcChar32 missing;
const FcCharSet *exclusiveCharset = 0;
FcLangSet *ls;
if (exclusiveLang)
exclusiveCharset = FcLangGetCharSet (exclusiveLang);
ls = FcLangSetCreate ();
if (!ls)
return 0;
if (FcDebug() & FC_DBG_LANGSET)
{
printf ("font charset\n");
FcCharSetPrint (charset);
printf ("\n");
}
for (i = 0; i < NUM_LANG_CHAR_SET; i++)
{
if (FcDebug() & FC_DBG_LANGSET)
{
printf ("%s charset\n", fcLangCharSets[i].lang);
FcCharSetPrint (&fcLangCharSets[i].charset);
printf ("\n");
}
/*
* Check for Han charsets to make fonts
* which advertise support for a single language
* not support other Han languages
*/
if (exclusiveCharset &&
FcFreeTypeIsExclusiveLang (fcLangCharSets[i].lang))
{
if (fcLangCharSets[i].charset.num != exclusiveCharset->num)
continue;
for (j = 0; j < fcLangCharSets[i].charset.num; j++)
if (FcCharSetLeaf(&fcLangCharSets[i].charset, j) !=
FcCharSetLeaf(exclusiveCharset, j))
continue;
}
missing = FcCharSetSubtractCount (&fcLangCharSets[i].charset, charset);
if (FcDebug() & FC_DBG_SCANV)
{
if (missing && missing < 10)
{
FcCharSet *missed = FcCharSetSubtract (&fcLangCharSets[i].charset,
charset);
FcChar32 ucs4;
FcChar32 map[FC_CHARSET_MAP_SIZE];
FcChar32 next;
printf ("\n%s(%u) ", fcLangCharSets[i].lang, missing);
printf ("{");
for (ucs4 = FcCharSetFirstPage (missed, map, &next);
ucs4 != FC_CHARSET_DONE;
ucs4 = FcCharSetNextPage (missed, map, &next))
{
int i, j;
for (i = 0; i < FC_CHARSET_MAP_SIZE; i++)
if (map[i])
{
for (j = 0; j < 32; j++)
if (map[i] & (1 << j))
printf (" %04x", ucs4 + i * 32 + j);
}
}
printf (" }\n\t");
FcCharSetDestroy (missed);
}
else
printf ("%s(%u) ", fcLangCharSets[i].lang, missing);
}
if (!missing)
FcLangSetBitSet (ls, i);
}
if (FcDebug() & FC_DBG_SCANV)
printf ("\n");
return ls;
}
int
main (int argc, char **argv)
{
static Entry entries[MAX_LANG];
static FcCharSet *sets[MAX_LANG];
static int duplicate[MAX_LANG];
static int country[MAX_LANG];
static char *names[MAX_LANG];
static char *langs[MAX_LANG];
static int off[MAX_LANG];
FILE *f;
int ncountry = 0;
int i = 0;
int nsets = 0;
int argi;
FcCharLeaf **leaves;
int total_leaves = 0;
int l, sl, tl, tn;
static char line[1024];
static FcChar32 map[MAX_LANG_SET_MAP];
int num_lang_set_map;
int setRangeStart[26];
int setRangeEnd[26];
FcChar8 setRangeChar;
FcCharSetFreezer *freezer;
freezer = FcCharSetFreezerCreate ();
if (!freezer)
fatal (argv[0], 0, "out of memory");
argi = 1;
while (argv[argi])
{
if (!strcmp (argv[argi], "-d"))
{
argi++;
dir = argv[argi++];
continue;
}
if (i == MAX_LANG)
fatal (argv[0], 0, "Too many languages");
entries[i].id = i;
entries[i].file = argv[argi++];
i++;
}
entries[i].file = 0;
qsort (entries, i, sizeof (Entry), compare);
i = 0;
while (entries[i].file)
{
f = scanopen (entries[i].file);
if (!f)
fatal (entries[i].file, 0, strerror (errno));
sets[i] = scan (f, entries[i].file, freezer);
names[i] = get_name (entries[i].file);
langs[i] = get_lang(names[i]);
if (strchr (langs[i], '-'))
country[ncountry++] = i;
total_leaves += sets[i]->num;
i++;
fclose (f);
}
nsets = i;
sets[i] = 0;
leaves = malloc (total_leaves * sizeof (FcCharLeaf *));
tl = 0;
/*
* Find unique leaves
*/
for (i = 0; sets[i]; i++)
{
for (sl = 0; sl < sets[i]->num; sl++)
{
for (l = 0; l < tl; l++)
if (leaves[l] == FcCharSetLeaf(sets[i], sl))
break;
if (l == tl)
leaves[tl++] = FcCharSetLeaf(sets[i], sl);
}
}
/*
* Scan the input until the marker is found
*/
while (fgets (line, sizeof (line), stdin))
{
if (!strncmp (line, "@@@", 3))
break;
fputs (line, stdout);
}
printf ("/* total size: %d unique leaves: %d */\n\n",
total_leaves, tl);
/*
* Find duplicate charsets
*/
duplicate[0] = -1;
for (i = 1; sets[i]; i++)
{
int j;
duplicate[i] = -1;
for (j = 0; j < i; j++)
if (sets[j] == sets[i])
{
duplicate[i] = j;
break;
}
}
tn = 0;
for (i = 0; sets[i]; i++) {
if (duplicate[i] >= 0)
continue;
off[i] = tn;
tn += sets[i]->num;
}
printf ("#define LEAF0 (%d * sizeof (FcLangCharSet))\n", nsets);
printf ("#define OFF0 (LEAF0 + %d * sizeof (FcCharLeaf))\n", tl);
printf ("#define NUM0 (OFF0 + %d * sizeof (uintptr_t))\n", tn);
printf ("#define SET(n) (n * sizeof (FcLangCharSet) + offsetof (FcLangCharSet, charset))\n");
printf ("#define OFF(s,o) (OFF0 + o * sizeof (uintptr_t) - SET(s))\n");
printf ("#define NUM(s,n) (NUM0 + n * sizeof (FcChar16) - SET(s))\n");
printf ("#define LEAF(o,l) (LEAF0 + l * sizeof (FcCharLeaf) - (OFF0 + o * sizeof (intptr_t)))\n");
printf ("#define fcLangCharSets (fcLangData.langCharSets)\n");
printf ("#define fcLangCharSetIndices (fcLangData.langIndices)\n");
printf ("#define fcLangCharSetIndicesInv (fcLangData.langIndicesInv)\n");
printf ("\n");
printf ("static const struct {\n"
" FcLangCharSet langCharSets[%d];\n"
" FcCharLeaf leaves[%d];\n"
" uintptr_t leaf_offsets[%d];\n"
" FcChar16 numbers[%d];\n"
" FcChar%s langIndices[%d];\n"
" FcChar%s langIndicesInv[%d];\n"
"} fcLangData = {\n",
nsets, tl, tn, tn,
nsets < 256 ? "8 " : "16", nsets, nsets < 256 ? "8 " : "16", nsets);
/*
* Dump sets
*/
printf ("{\n");
for (i = 0; sets[i]; i++)
{
int j = duplicate[i];
if (j < 0)
j = i;
printf (" { \"%s\", "
" { FC_REF_CONSTANT, %d, OFF(%d,%d), NUM(%d,%d) } }, /* %d */\n",
langs[i],
sets[j]->num, i, off[j], i, off[j], i);
}
printf ("},\n");
/*
* Dump leaves
*/
printf ("{\n");
for (l = 0; l < tl; l++)
{
printf (" { { /* %d */", l);
for (i = 0; i < 256/32; i++)
{
if (i % 4 == 0)
printf ("\n ");
printf (" 0x%08x,", leaves[l]->map[i]);
}
printf ("\n } },\n");
}
printf ("},\n");
/*
* Dump leaves
*/
printf ("{\n");
for (i = 0; sets[i]; i++)
{
int n;
if (duplicate[i] >= 0)
continue;
printf (" /* %s */\n", names[i]);
for (n = 0; n < sets[i]->num; n++)
{
if (n % 4 == 0)
printf (" ");
for (l = 0; l < tl; l++)
if (leaves[l] == FcCharSetLeaf(sets[i], n))
break;
if (l == tl)
fatal (names[i], 0, "can't find leaf");
printf (" LEAF(%3d,%3d),", off[i], l);
if (n % 4 == 3)
printf ("\n");
}
if (n % 4 != 0)
printf ("\n");
}
printf ("},\n");
printf ("{\n");
for (i = 0; sets[i]; i++)
{
int n;
if (duplicate[i] >= 0)
continue;
printf (" /* %s */\n", names[i]);
for (n = 0; n < sets[i]->num; n++)
{
if (n % 8 == 0)
printf (" ");
printf (" 0x%04x,", FcCharSetNumbers (sets[i])[n]);
if (n % 8 == 7)
printf ("\n");
}
if (n % 8 != 0)
printf ("\n");
}
printf ("},\n");
/* langIndices */
printf ("{\n");
for (i = 0; sets[i]; i++)
{
printf (" %d, /* %s */\n", entries[i].id, names[i]);
}
printf ("},\n");
/* langIndicesInv */
printf ("{\n");
{
static int entries_inv[MAX_LANG];
for (i = 0; sets[i]; i++)
entries_inv[entries[i].id] = i;
for (i = 0; sets[i]; i++)
printf (" %d, /* %s */\n", entries_inv[i], names[entries_inv[i]]);
}
printf ("}\n");
printf ("};\n\n");
printf ("#define NUM_LANG_CHAR_SET %d\n", i);
num_lang_set_map = (i + 31) / 32;
printf ("#define NUM_LANG_SET_MAP %d\n", num_lang_set_map);
/*
* Dump indices with country codes
*/
if (ncountry)
{
int c;
int ncountry_ent = 0;
printf ("\n");
printf ("static const FcChar32 fcLangCountrySets[][NUM_LANG_SET_MAP] = {\n");
for (c = 0; c < ncountry; c++)
{
i = country[c];
if (i >= 0)
{
int lang = strchr (langs[i], '-') - langs[i];
int d, k;
for (k = 0; k < num_lang_set_map; k++)
map[k] = 0;
BitSet (map, i);
for (d = c + 1; d < ncountry; d++)
{
int j = country[d];
if (j >= 0 && !strncmp (langs[j], langs[i], lang + 1))
{
BitSet(map, j);
country[d] = -1;
}
}
printf (" {");
for (k = 0; k < num_lang_set_map; k++)
printf (" 0x%08x,", map[k]);
printf (" }, /* %*.*s */\n",
lang, lang, langs[i]);
++ncountry_ent;
}
}
printf ("};\n\n");
printf ("#define NUM_COUNTRY_SET %d\n", ncountry_ent);
}
/*
* Find ranges for each letter for faster searching
*/
setRangeChar = 'a';
memset(setRangeStart, '\0', sizeof (setRangeStart));
memset(setRangeEnd, '\0', sizeof (setRangeEnd));
for (i = 0; sets[i]; i++)
{
char c = names[i][0];
while (setRangeChar <= c && c <= 'z')
setRangeStart[setRangeChar++ - 'a'] = i;
}
for (setRangeChar = 'a'; setRangeChar < 'z'; setRangeChar++)
setRangeEnd[setRangeChar - 'a'] = setRangeStart[setRangeChar+1-'a'] - 1;
setRangeEnd[setRangeChar - 'a'] = i - 1;
/*
* Dump sets start/finish for the fastpath
*/
printf ("\n");
printf ("static const FcLangCharSetRange fcLangCharSetRanges[] = {\n");
printf ("\n");
for (setRangeChar = 'a'; setRangeChar <= 'z' ; setRangeChar++)
{
printf (" { %d, %d }, /* %c */\n",
setRangeStart[setRangeChar - 'a'],
setRangeEnd[setRangeChar - 'a'], setRangeChar);
}
printf ("};\n\n");
while (fgets (line, sizeof (line), stdin))
fputs (line, stdout);
fflush (stdout);
exit (ferror (stdout));
}
