/*
- * $RCSId: xc/lib/fontconfig/src/fclang.c,v 1.7 2002/08/26 23:34:31 keithp Exp $
+ * fontconfig/src/fclang.c
*
- * Copyright © 2002 Keith Packard
+ * Copyright © 2002 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
*/
#include "fcint.h"
+#include "fcftint.h"
typedef struct {
- FcChar8 *lang;
- FcCharSet charset;
+ const FcChar8 lang[8];
+ const FcCharSet charset;
} FcLangCharSet;
typedef struct {
#include "../fc-lang/fclang.h"
struct _FcLangSet {
- FcChar32 map[NUM_LANG_SET_MAP];
FcStrSet *extra;
+ FcChar32 map_size;
+ FcChar32 map[NUM_LANG_SET_MAP];
};
-#define FcLangSetBitSet(ls, id) ((ls)->map[(id)>>5] |= ((FcChar32) 1 << ((id) & 0x1f)))
-#define FcLangSetBitGet(ls, id) (((ls)->map[(id)>>5] >> ((id) & 0x1f)) & 1)
+static void
+FcLangSetBitSet (FcLangSet *ls,
+ unsigned int id)
+{
+ int bucket;
+
+ id = fcLangCharSetIndices[id];
+ bucket = id >> 5;
+ if (bucket >= ls->map_size)
+ return; /* shouldn't happen really */
+
+ ls->map[bucket] |= ((FcChar32) 1 << (id & 0x1f));
+}
+
+static FcBool
+FcLangSetBitGet (const FcLangSet *ls,
+ unsigned int id)
+{
+ int bucket;
+
+ id = fcLangCharSetIndices[id];
+ bucket = id >> 5;
+ if (bucket >= ls->map_size)
+ return FcFalse;
+
+ return ((ls->map[bucket] >> (id & 0x1f)) & 1) ? FcTrue : FcFalse;
+}
FcLangSet *
FcFreeTypeLangSet (const FcCharSet *charset,
const FcChar8 *exclusiveLang)
{
- int i;
+ int i, j;
FcChar32 missing;
const FcCharSet *exclusiveCharset = 0;
FcLangSet *ls;
-
if (exclusiveLang)
- exclusiveCharset = FcCharSetForLang (exclusiveLang);
+ exclusiveCharset = FcLangGetCharSet (exclusiveLang);
ls = FcLangSetCreate ();
if (!ls)
return 0;
+ if (FcDebug() & FC_DBG_LANGSET)
+ {
+ printf ("font charset");
+ FcCharSetPrint (charset);
+ printf ("\n");
+ }
for (i = 0; i < NUM_LANG_CHAR_SET; i++)
{
+ if (FcDebug() & FC_DBG_LANGSET)
+ {
+ printf ("%s charset", 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) &&
- fcLangCharSets[i].charset.leaves != exclusiveCharset->leaves)
+ FcFreeTypeIsExclusiveLang (fcLangCharSets[i].lang))
{
- continue;
+ 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)
FcChar32 map[FC_CHARSET_MAP_SIZE];
FcChar32 next;
- printf ("\n%s(%d) ", fcLangCharSets[i].lang, missing);
+ printf ("\n%s(%u) ", fcLangCharSets[i].lang, missing);
printf ("{");
for (ucs4 = FcCharSetFirstPage (missed, map, &next);
ucs4 != FC_CHARSET_DONE;
FcCharSetDestroy (missed);
}
else
- printf ("%s(%d) ", fcLangCharSets[i].lang, missing);
+ printf ("%s(%u) ", fcLangCharSets[i].lang, missing);
}
if (!missing)
FcLangSetBitSet (ls, i);
if (c1 != c2)
{
if (FcLangEnd (c1) && FcLangEnd (c2))
- result = FcLangDifferentCountry;
+ result = FcLangDifferentTerritory;
return result;
}
else if (!c1)
return FcLangEqual;
else if (c1 == '-')
- result = FcLangDifferentCountry;
+ result = FcLangDifferentTerritory;
}
}
/*
- * Return FcTrue when s1 contains s2.
+ * Return FcTrue when super contains sub.
*
- * s1 contains s2 if s1 equals s2 or if s1 is a
- * language with a country and s2 is just a language
+ * super contains sub if super and sub have the same
+ * language and either the same country or one
+ * is missing the country
*/
static FcBool
-FcLangContains (const FcChar8 *s1, const FcChar8 *s2)
+FcLangContains (const FcChar8 *super, const FcChar8 *sub)
{
FcChar8 c1, c2;
for (;;)
{
- c1 = *s1++;
- c2 = *s2++;
+ c1 = *super++;
+ c2 = *sub++;
c1 = FcToLower (c1);
c2 = FcToLower (c2);
if (c1 != c2)
{
- /* see if s1 has a country while s2 is mising one */
+ /* see if super has a country while sub is mising one */
if (c1 == '-' && c2 == '\0')
return FcTrue;
+ /* see if sub has a country while super is mising one */
+ if (c1 == '\0' && c2 == '-')
+ return FcTrue;
return FcFalse;
}
else if (!c1)
}
const FcCharSet *
-FcCharSetForLang (const FcChar8 *lang)
+FcLangGetCharSet (const FcChar8 *lang)
{
int i;
int country = -1;
+
for (i = 0; i < NUM_LANG_CHAR_SET; i++)
{
switch (FcLangCompare (lang, fcLangCharSets[i].lang)) {
case FcLangEqual:
return &fcLangCharSets[i].charset;
- case FcLangDifferentCountry:
+ case FcLangDifferentTerritory:
if (country == -1)
country = i;
+ case FcLangDifferentLang:
default:
break;
}
}
if (country == -1)
return 0;
- return &fcLangCharSets[i].charset;
+ return &fcLangCharSets[country].charset;
+}
+
+FcStrSet *
+FcGetLangs (void)
+{
+ FcStrSet *langs;
+ int i;
+
+ langs = FcStrSetCreate();
+ if (!langs)
+ return 0;
+
+ for (i = 0; i < NUM_LANG_CHAR_SET; i++)
+ FcStrSetAdd (langs, fcLangCharSets[i].lang);
+
+ return langs;
}
FcLangSet *
return 0;
FcMemAlloc (FC_MEM_LANGSET, sizeof (FcLangSet));
memset (ls->map, '\0', sizeof (ls->map));
+ ls->map_size = NUM_LANG_SET_MAP;
ls->extra = 0;
return ls;
}
new = FcLangSetCreate ();
if (!new)
goto bail0;
- memcpy (new->map, ls->map, sizeof (new->map));
+ memset (new->map, '\0', sizeof (new->map));
+ memcpy (new->map, ls->map, FC_MIN (sizeof (new->map), ls->map_size * sizeof (ls->map[0])));
if (ls->extra)
{
FcStrList *list;
{
FcStrList *list = FcStrListCreate (ls->extra);
FcChar8 *extra;
- FcLangResult r;
if (list)
{
FcLangResult
FcLangSetCompare (const FcLangSet *lsa, const FcLangSet *lsb)
{
- int i, j;
+ int i, j, count;
FcLangResult best, r;
- for (i = 0; i < NUM_LANG_SET_MAP; i++)
+ count = FC_MIN (lsa->map_size, lsb->map_size);
+ count = FC_MIN (NUM_LANG_SET_MAP, count);
+ for (i = 0; i < count; i++)
if (lsa->map[i] & lsb->map[i])
return FcLangEqual;
best = FcLangDifferentLang;
for (j = 0; j < NUM_COUNTRY_SET; j++)
- for (i = 0; i < NUM_LANG_SET_MAP; i++)
+ for (i = 0; i < count; i++)
if ((lsa->map[i] & fcLangCountrySets[j][i]) &&
(lsb->map[i] & fcLangCountrySets[j][i]))
{
- best = FcLangDifferentCountry;
+ best = FcLangDifferentTerritory;
break;
}
if (lsa->extra)
FcLangSetHash (const FcLangSet *ls)
{
FcChar32 h = 0;
- int i;
+ int i, count;
- for (i = 0; i < NUM_LANG_SET_MAP; i++)
+ count = FC_MIN (ls->map_size, NUM_LANG_SET_MAP);
+ for (i = 0; i < count; i++)
h ^= ls->map[i];
if (ls->extra)
h ^= ls->extra->num;
FcLangSet *
FcNameParseLangSet (const FcChar8 *string)
{
- FcChar8 lang[32],c;
+ FcChar8 lang[32], c = 0;
int i;
FcLangSet *ls;
FcBool
FcNameUnparseLangSet (FcStrBuf *buf, const FcLangSet *ls)
{
- int i, bit;
+ int i, bit, count;
FcChar32 bits;
FcBool first = FcTrue;
- for (i = 0; i < NUM_LANG_SET_MAP; i++)
+ count = FC_MIN (ls->map_size, NUM_LANG_SET_MAP);
+ for (i = 0; i < count; i++)
{
if ((bits = ls->map[i]))
{
if (!first)
if (!FcStrBufChar (buf, '|'))
return FcFalse;
- if (!FcStrBufString (buf, fcLangCharSets[id].lang))
+ if (!FcStrBufString (buf, fcLangCharSets[fcLangCharSetIndicesInv[id]].lang))
return FcFalse;
first = FcFalse;
}
{
if (!first)
if (!FcStrBufChar (buf, '|'))
+ {
+ FcStrListDone (list);
return FcFalse;
+ }
if (!FcStrBufString (buf, extra))
- return FcFalse;
+ {
+ FcStrListDone (list);
+ return FcFalse;
+ }
first = FcFalse;
}
+ FcStrListDone (list);
}
return FcTrue;
}
FcBool
FcLangSetEqual (const FcLangSet *lsa, const FcLangSet *lsb)
{
- int i;
+ int i, count;
- for (i = 0; i < NUM_LANG_SET_MAP; i++)
+ count = FC_MIN (lsa->map_size, lsb->map_size);
+ count = FC_MIN (NUM_LANG_SET_MAP, count);
+ for (i = 0; i < count; i++)
{
if (lsa->map[i] != lsb->map[i])
return FcFalse;
FcBool
FcLangSetContains (const FcLangSet *lsa, const FcLangSet *lsb)
{
- int i, j;
+ int i, j, count;
FcChar32 missing;
if (FcDebug() & FC_DBG_MATCHV)
/*
* check bitmaps for missing language support
*/
- for (i = 0; i < NUM_LANG_SET_MAP; i++)
+ count = FC_MIN (lsa->map_size, lsb->map_size);
+ count = FC_MIN (NUM_LANG_SET_MAP, count);
+ for (i = 0; i < count; i++)
{
missing = lsb->map[i] & ~lsa->map[i];
if (missing)
if (missing & (1 << j))
{
if (!FcLangSetContainsLang (lsa,
- fcLangCharSets[i*32 + j].lang))
+ fcLangCharSets[fcLangCharSetIndicesInv[i*32 + j]].lang))
{
if (FcDebug() & FC_DBG_MATCHV)
- printf ("\tMissing bitmap %s\n", fcLangCharSets[i*32+j].lang);
+ printf ("\tMissing bitmap %s\n", fcLangCharSets[fcLangCharSetIndicesInv[i*32+j]].lang);
return FcFalse;
}
}
}
return FcTrue;
}
+
+FcBool
+FcLangSetSerializeAlloc (FcSerialize *serialize, const FcLangSet *l)
+{
+ if (!FcSerializeAlloc (serialize, l, sizeof (FcLangSet)))
+ return FcFalse;
+ return FcTrue;
+}
+
+FcLangSet *
+FcLangSetSerialize(FcSerialize *serialize, const FcLangSet *l)
+{
+ FcLangSet *l_serialize = FcSerializePtr (serialize, l);
+
+ if (!l_serialize)
+ return NULL;
+ memset (l_serialize->map, '\0', sizeof (l_serialize->map));
+ memcpy (l_serialize->map, l->map, FC_MIN (sizeof (l_serialize->map), l->map_size * sizeof (l->map[0])));
+ l_serialize->map_size = NUM_LANG_SET_MAP;
+ l_serialize->extra = NULL; /* We don't serialize ls->extra */
+ return l_serialize;
+}
+
+FcStrSet *
+FcLangSetGetLangs (const FcLangSet *ls)
+{
+ FcStrSet *langs;
+ int i;
+
+ langs = FcStrSetCreate();
+ if (!langs)
+ return 0;
+
+ for (i = 0; i < NUM_LANG_CHAR_SET; i++)
+ if (FcLangSetBitGet (ls, i))
+ FcStrSetAdd (langs, fcLangCharSets[i].lang);
+
+ if (ls->extra)
+ {
+ FcStrList *list = FcStrListCreate (ls->extra);
+ FcChar8 *extra;
+
+ if (list)
+ {
+ while ((extra = FcStrListNext (list)))
+ FcStrSetAdd (langs, extra);
+
+ FcStrListDone (list);
+ }
+ }
+
+ return langs;
+}
+
+#define __fclang__
+#include "fcaliastail.h"
+#include "fcftaliastail.h"
+#undef __fclang__