2 * $XFree86: xc/lib/fontconfig/fc-lang/fclang.tmpl.c,v 1.1 2002/07/06 23:21:36 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)
63 printf ("%s(%d) ", fcLangCharSets[i].lang, missing);
66 if (!FcPatternAddString (pattern, FC_LANG, fcLangCharSets[i].lang))
72 * Make sure it has a lang entry
75 if (!FcPatternAddString (pattern, FC_LANG, (FcChar8 *) "x-unknown"))
78 if (FcDebug() & FC_DBG_SCANV)
85 FcLangCompare (const FcChar8 *s1, const FcChar8 *s2)
87 const FcChar8 *orig_s1 = s1;
91 * Compare ISO 639 language codes
97 if (c1 == '\0' || c1 == '-')
99 if (c2 == '\0' || c2 == '-')
104 return FcLangDifferentLang; /* mismatching lang code */
109 * Make x-* mismatch as if the lang part didn't match
111 result = FcLangDifferentCountry;
112 if (orig_s1[0] == 'x' && (orig_s1[1] == '\0' || orig_s1[1] == '-'))
113 result = FcLangDifferentLang;
115 if (c1 == '\0' || c2 == '\0')
118 * Compare ISO 3166 country codes
138 FcCharSetForLang (const FcChar8 *lang)
142 for (i = 0; i < NUM_LANG_CHAR_SET; i++)
144 switch (FcLangCompare (lang, fcLangCharSets[i].lang)) {
146 return &fcLangCharSets[i].charset;
147 case FcLangDifferentCountry:
156 return &fcLangCharSets[i].charset;