2 * $XFree86: xc/lib/fontconfig/src/fclang.c,v 1.3 2002/07/08 07:31:53 keithp Exp $
4 * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of Keith Packard not be used in
11 * advertising or publicity pertaining to distribution of the software without
12 * specific, written prior permission. Keith Packard makes no
13 * representations about the suitability of this software for any purpose. It
14 * is provided "as is" without express or implied warranty.
16 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
32 #include "../fc-lang/fclang.h"
34 #define NUM_LANG_CHAR_SET (sizeof (fcLangCharSets) / sizeof (fcLangCharSets[0]))
37 FcFreeTypeSetLang (FcPattern *pattern,
39 const FcChar8 *exclusiveLang)
43 FcBool hasLang = FcFalse;
44 const FcCharSet *exclusiveCharset = 0;
47 exclusiveCharset = FcCharSetForLang (exclusiveLang);
48 for (i = 0; i < NUM_LANG_CHAR_SET; i++)
51 * Check for Han charsets to make fonts
52 * which advertise support for a single language
53 * not support other Han languages
55 if (exclusiveCharset &&
56 FcFreeTypeIsExclusiveLang (fcLangCharSets[i].lang) &&
57 fcLangCharSets[i].charset.leaves != exclusiveCharset->leaves)
61 missing = FcCharSetSubtractCount (&fcLangCharSets[i].charset, charset);
62 if (FcDebug() & FC_DBG_SCANV)
64 if (missing && missing < 10)
66 FcCharSet *missed = FcCharSetSubtract (&fcLangCharSets[i].charset,
69 FcChar32 map[FC_CHARSET_MAP_SIZE];
72 printf ("\n%s(%d) ", fcLangCharSets[i].lang, missing);
74 for (ucs4 = FcCharSetFirstPage (missed, map, &next);
75 ucs4 != FC_CHARSET_DONE;
76 ucs4 = FcCharSetNextPage (missed, map, &next))
79 for (i = 0; i < FC_CHARSET_MAP_SIZE; i++)
82 for (j = 0; j < 32; j++)
83 if (map[i] & (1 << j))
84 printf (" %04x", ucs4 + i * 32 + j);
88 FcCharSetDestroy (missed);
91 printf ("%s(%d) ", fcLangCharSets[i].lang, missing);
95 if (!FcPatternAddString (pattern, FC_LANG, fcLangCharSets[i].lang))
101 * Make sure it has a lang entry
104 if (!FcPatternAddString (pattern, FC_LANG, (FcChar8 *) "x-unknown"))
107 if (FcDebug() & FC_DBG_SCANV)
114 FcLangCompare (const FcChar8 *s1, const FcChar8 *s2)
116 const FcChar8 *orig_s1 = s1;
120 * Compare ISO 639 language codes
126 if (c1 == '\0' || c1 == '-')
128 if (c2 == '\0' || c2 == '-')
133 return FcLangDifferentLang; /* mismatching lang code */
138 * Make x-* mismatch as if the lang part didn't match
140 result = FcLangDifferentCountry;
141 if (orig_s1[0] == 'x' && (orig_s1[1] == '\0' || orig_s1[1] == '-'))
142 result = FcLangDifferentLang;
144 if (c1 == '\0' || c2 == '\0')
147 * Compare ISO 3166 country codes
167 FcCharSetForLang (const FcChar8 *lang)
171 for (i = 0; i < NUM_LANG_CHAR_SET; i++)
173 switch (FcLangCompare (lang, fcLangCharSets[i].lang)) {
175 return &fcLangCharSets[i].charset;
176 case FcLangDifferentCountry:
185 return &fcLangCharSets[i].charset;