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authorBehdad Esfahbod <behdad@gnome.org>2007-05-08 22:07:48 +0000
committerBehdad Esfahbod <behdad@src.gnome.org>2007-05-08 22:07:48 +0000
commit739f958f32661239d6a90914e3c1a8d0b3d54183 (patch)
tree8f83fff3acdb1ccc4b0f0634cd39fe95a1744c6c /pango/pango-utils.c
parent6614ce538cdd6fa4f1c6423b9b27edb8220c205c (diff)
downloadpango-739f958f32661239d6a90914e3c1a8d0b3d54183.tar.gz
Move PangoLanguage stuff into pango-language.[ch]
2007-05-08 Behdad Esfahbod <behdad@gnome.org> * pango/Makefile.am: * pango/pango-script.h: * pango/pango-types.h: * pango/pango-utils.c: * pango/pango-language.c: * pango/pango-language.h: Move PangoLanguage stuff into pango-language.[ch] svn path=/trunk/; revision=2268
Diffstat (limited to 'pango/pango-utils.c')
-rw-r--r--pango/pango-utils.c352
1 files changed, 0 insertions, 352 deletions
diff --git a/pango/pango-utils.c b/pango/pango-utils.c
index 46c18e52..39ade732 100644
--- a/pango/pango-utils.c
+++ b/pango/pango-utils.c
@@ -1090,358 +1090,6 @@ pango_parse_stretch (const char *str,
return FALSE;
}
-static const char canon_map[256] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '-', 0, 0,
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 0, 0, 0, 0, 0, 0,
- 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 0, 0, 0, 0, '-',
- 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 0, 0, 0, 0, 0
-};
-
-static gboolean
-lang_equal (gconstpointer v1,
- gconstpointer v2)
-{
- const guchar *p1 = v1;
- const guchar *p2 = v2;
-
- while (canon_map[*p1] && canon_map[*p1] == canon_map[*p2])
- {
- p1++, p2++;
- }
-
- return (canon_map[*p1] == canon_map[*p2]);
-}
-
-static guint
-lang_hash (gconstpointer key)
-{
- const guchar *p = key;
- guint h = 0;
- while (canon_map[*p])
- {
- h = (h << 5) - h + canon_map[*p];
- p++;
- }
-
- return h;
-}
-
-static PangoLanguage *
-pango_language_copy (PangoLanguage *language)
-{
- return language; /* language tags are const */
-}
-
-static void
-pango_language_free (PangoLanguage *language)
-{
- return; /* nothing */
-}
-
-GType
-pango_language_get_type (void)
-{
- static GType our_type = 0;
-
- if (our_type == 0)
- our_type = g_boxed_type_register_static (I_("PangoLanguage"),
- (GBoxedCopyFunc)pango_language_copy,
- (GBoxedFreeFunc)pango_language_free);
- return our_type;
-}
-
-/**
- * _pango_get_lc_ctype:
- *
- * Return the Unix-style locale string for the language currently in
- * effect. On Unix systems, this is the return value from
- * <literal>setlocale(LC_CTYPE, NULL)</literal>, and the user can
- * affect this through the environment variables LC_ALL, LC_CTYPE or
- * LANG (checked in that order). The locale strings typically is in
- * the form lang_COUNTRY, where lang is an ISO-639 language code, and
- * COUNTRY is an ISO-3166 country code. For instance, sv_FI for
- * Swedish as written in Finland or pt_BR for Portuguese as written in
- * Brazil.
- *
- * On Windows, the C library doesn't use any such environment
- * variables, and setting them won't affect the behavior of functions
- * like ctime(). The user sets the locale through the Regional Options
- * in the Control Panel. The C library (in the setlocale() function)
- * does not use country and language codes, but country and language
- * names spelled out in English.
- * However, this function does check the above environment
- * variables, and does return a Unix-style locale string based on
- * either said environment variables or the thread's current locale.
- *
- * Return value: a dynamically allocated string, free with g_free().
- */
-static gchar *
-_pango_get_lc_ctype (void)
-{
-#ifdef G_OS_WIN32
- /* Somebody might try to set the locale for this process using the
- * LANG or LC_ environment variables. The Microsoft C library
- * doesn't know anything about them. You set the locale in the
- * Control Panel. Setting these env vars won't have any affect on
- * locale-dependent C library functions like ctime(). But just for
- * kicks, do obey LC_ALL, LC_CTYPE and LANG in Pango. (This also makes
- * it easier to test GTK and Pango in various default languages, you
- * don't have to clickety-click in the Control Panel, you can simply
- * start the program with LC_ALL=something on the command line.)
- */
-
- gchar *p;
-
- p = getenv ("LC_ALL");
- if (p != NULL)
- return g_strdup (p);
-
- p = getenv ("LC_CTYPE");
- if (p != NULL)
- return g_strdup (p);
-
- p = getenv ("LANG");
- if (p != NULL)
- return g_strdup (p);
-
- return g_win32_getlocale ();
-#else
- return g_strdup (setlocale (LC_CTYPE, NULL));
-#endif
-}
-
-/**
- * pango_language_get_default:
- *
- * Returns the #PangoLanguage for the current locale of the process.
- * Note that this can change over the life of an application.
- *
- * On Unix systems, this is the return value is derived from
- * <literal>setlocale(LC_CTYPE, NULL)</literal>, and the user can
- * affect this through the environment variables LC_ALL, LC_CTYPE or
- * LANG (checked in that order). The locale string typically is in
- * the form lang_COUNTRY, where lang is an ISO-639 language code, and
- * COUNTRY is an ISO-3166 country code. For instance, sv_FI for
- * Swedish as written in Finland or pt_BR for Portuguese as written in
- * Brazil.
- *
- * On Windows, the C library does not use any such environment
- * variables, and setting them won't affect the behavior of functions
- * like ctime(). The user sets the locale through the Regional Options
- * in the Control Panel. The C library (in the setlocale() function)
- * does not use country and language codes, but country and language
- * names spelled out in English.
- * However, this function does check the above environment
- * variables, and does return a Unix-style locale string based on
- * either said environment variables or the thread's current locale.
- *
- * Your application should call <literal>setlocale(LC_ALL, "");</literal>
- * for the user settings to take effect. Gtk+ does this in its initialization
- * functions automatically (by calling gtk_set_locale()).
- * See <literal>man setlocale</literal> for more details.
- *
- * Return value: the default language as a #PangoLanguage, must not be
- * freed.
- *
- * Since: 1.16
- **/
-PangoLanguage *
-pango_language_get_default (void)
-{
- gchar *lang;
- PangoLanguage *result;
-
- lang = _pango_get_lc_ctype ();
-
- result = pango_language_from_string (lang);
- g_free (lang);
-
- return result;
-}
-
-/**
- * pango_language_from_string:
- * @language: a string representing a language tag
- *
- * Take a RFC-3066 format language tag as a string and convert it to a
- * #PangoLanguage pointer that can be efficiently copied (copy the
- * pointer) and compared with other language tags (compare the
- * pointer.)
- *
- * This function first canonicalizes the string by converting it to
- * lowercase, mapping '_' to '-', and stripping all characters other
- * than letters and '-'.
- *
- * Use pango_language_get_default() if you want to get the #PangoLanguage for
- * the current locale of the process.
- *
- * Return value: an opaque pointer to a #PangoLanguage structure.
- * this will be valid forever after.
- **/
-PangoLanguage *
-pango_language_from_string (const char *language)
-{
- static GHashTable *hash = NULL;
- char *result;
- int len;
- char *p;
-
- if (G_UNLIKELY (!hash))
- hash = g_hash_table_new (lang_hash, lang_equal);
- else
- {
- result = g_hash_table_lookup (hash, language);
- if (result)
- return (PangoLanguage *)result;
- }
-
- len = strlen (language);
- result = g_malloc (len + 1);
-
- p = result;
- while ((*(p++) = canon_map[*(guchar *)language++]))
- ;
-
- g_hash_table_insert (hash, result, result);
-
- return (PangoLanguage *)result;
-}
-
-/**
- * pango_language_matches:
- * @language: a language tag (see pango_language_from_string()),
- * %NULL is allowed and matches nothing but '*'
- * @range_list: a list of language ranges, separated by ';', ':',
- * ',', or space characters.
- * Each element must either be '*', or a RFC 3066 language range
- * canonicalized as by pango_language_from_string()
- *
- * Checks if a language tag matches one of the elements in a list of
- * language ranges. A language tag is considered to match a range
- * in the list if the range is '*', the range is exactly the tag,
- * or the range is a prefix of the tag, and the character after it
- * in the tag is '-'.
- *
- * Return value: %TRUE if a match was found.
- **/
-gboolean
-pango_language_matches (PangoLanguage *language,
- const char *range_list)
-{
- const char *lang_str = pango_language_to_string (language);
- const char *p = range_list;
- gboolean done = FALSE;
-
- while (!done)
- {
- const char *end = strpbrk (p, ";:, \t");
- if (!end)
- {
- end = p + strlen (p);
- done = TRUE;
- }
-
- if (strncmp (p, "*", 1) == 0 ||
- (lang_str && strncmp (lang_str, p, end - p) == 0 &&
- (lang_str[end - p] == '\0' || lang_str[end - p] == '-')))
- return TRUE;
-
- if (!done)
- p = end + 1;
- }
-
- return FALSE;
-}
-
-typedef struct {
- const char lang[4];
- const char *str;
-} LangInfo;
-
-static int
-lang_info_compare (const void *key, const void *val)
-{
- const LangInfo *lang_info = val;
-
- return strncmp (key, lang_info->lang, 2);
-}
-
-/* The following array is supposed to contain enough text to tickle all necessary fonts for each
- * of the languages in the following. Yes, it's pretty lame. Not all of the languages
- * in the following have sufficient text to exercise all the accents for the language, and
- * there are obviously many more languages to include as well.
- */
-static const LangInfo lang_texts[] = {
- { "ar", "Arabic \330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205" },
- { "cs", "Czech (\304\215esky) Dobr\303\275 den" },
- { "da", "Danish (Dansk) Hej, Goddag" },
- { "el", "Greek (\316\225\316\273\316\273\316\267\316\275\316\271\316\272\316\254) \316\223\316\265\316\271\316\254 \317\203\316\261\317\202" },
- { "en", "English Hello" },
- { "eo", "Esperanto Saluton" },
- { "es", "Spanish (Espa\303\261ol) \302\241Hola!" },
- { "et", "Estonian Tere, Tervist" },
- { "fi", "Finnish (Suomi) Hei, Hyv\303\244\303\244 p\303\244iv\303\244\303\244" },
- { "fr", "French (Fran\303\247ais)" },
- { "de", "German Gr\303\274\303\237 Gott" },
- { "he", "Hebrew \327\251\327\234\327\225\327\235" },
- { "it", "Italiano Ciao, Buon giorno" },
- { "ja", "Japanese (\346\227\245\346\234\254\350\252\236) \343\201\223\343\202\223\343\201\253\343\201\241\343\201\257, \357\275\272\357\276\235\357\276\206\357\276\201\357\276\212" },
- { "ko", "Korean (\355\225\234\352\270\200) \354\225\210\353\205\225\355\225\230\354\204\270\354\232\224, \354\225\210\353\205\225\355\225\230\354\213\255\353\213\210\352\271\214" },
- { "mt", "Maltese \304\212aw, Sa\304\247\304\247a" },
- { "nl", "Nederlands, Vlaams Hallo, Dag" },
- { "no", "Norwegian (Norsk) Hei, God dag" },
- { "pl", "Polish Dzie\305\204 dobry, Hej" },
- { "ru", "Russian (\320\240\321\203\321\201\321\201\320\272\320\270\320\271)" },
- { "sk", "Slovak Dobr\303\275 de\305\210" },
- { "sv", "Swedish (Svenska) Hej p\303\245 dej, Goddag" },
- { "tr", "Turkish (T\303\274rk\303\247e) Merhaba" },
- { "zh", "Chinese (\344\270\255\346\226\207,\346\231\256\351\200\232\350\257\235,\346\261\211\350\257\255)" }
-};
-
-/**
- * pango_language_get_sample_string:
- * @language: a #PangoLanguage
- *
- * Get a string that is representative of the characters needed to
- * render a particular language. This function is a bad hack for
- * internal use by renderers and Pango.
- *
- * Return value: the sample string. This value is owned by Pango
- * and must not be freed.
- **/
-G_CONST_RETURN char *
-pango_language_get_sample_string (PangoLanguage *language)
-{
- const char *result;
-
- if (language)
- {
- const char *lang_str = pango_language_to_string (language);
-
- LangInfo *lang_info = bsearch (lang_str, lang_texts,
- G_N_ELEMENTS (lang_texts), sizeof (LangInfo),
- lang_info_compare);
-
- if (lang_info)
- result = lang_info->str;
- else
- result = "French (Fran\303\247ais)"; /* Assume iso-8859-1 */
- }
- else
- {
- /* Complete junk
- */
-
- result = "\330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205 \304\215esky \316\225\316\273\316\273\316\267\316\275\316\271\316\272\316\254 Fran\303\247ais \346\227\245\346\234\254\350\252\236 \355\225\234\352\270\200 \320\240\321\203\321\201\321\201\320\272\320\270\320\271 \344\270\255\346\226\207,\346\231\256\351\200\232\350\257\235,\346\261\211\350\257\255 T\303\274rk\303\247e";
- }
-
- return result;
-}
-
/**
* pango_log2vis_get_embedding_levels:
* @text: the text to itemize.