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Merge branch 'kjellahl/turkish-strdown' into 'master'

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guniprop: Fix g_utf8_strdown() for Turkish locale

See merge request GNOME/glib!1930
This commit is contained in:
Sebastian Dröge 2021-02-10 16:35:26 +00:00
commit 6528760468
2 changed files with 52 additions and 6 deletions
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16
glib/guniprop.c
View File

@ -987,14 +987,18 @@ real_tolower (const gchar *str,
last = p; last = p;
p = g_utf8_next_char (p); p = g_utf8_next_char (p);
if (locale_type == LOCALE_TURKIC && (c == 'I' || if (locale_type == LOCALE_TURKIC && (c == 'I' || c == 0x130 ||
c == G_UNICHAR_FULLWIDTH_I)) c == G_UNICHAR_FULLWIDTH_I))
{ {
if (g_utf8_get_char (p) == 0x0307) gboolean combining_dot = (c == 'I' || c == G_UNICHAR_FULLWIDTH_I) &&
g_utf8_get_char (p) == 0x0307;
if (combining_dot || c == 0x130)
{ {
/* I + COMBINING DOT ABOVE => i (U+0069) */ /* I + COMBINING DOT ABOVE => i (U+0069)
len += g_unichar_to_utf8 (0x0069, out_buffer ? out_buffer + len : NULL); * LATIN CAPITAL LETTER I WITH DOT ABOVE => i (U+0069) */
p = g_utf8_next_char (p); len += g_unichar_to_utf8 (0x0069, out_buffer ? out_buffer + len : NULL);
if (combining_dot)
p = g_utf8_next_char (p);
} }
else else
{ {

42
glib/tests/unicode.c
View File

@ -464,6 +464,47 @@ test_strdown (void)
g_free (str_down); g_free (str_down);
} }
/* Test that g_utf8_strup() and g_utf8_strdown() return the correct
* value for Turkish 'i' with and without dot above. */
static void
test_turkish_strupdown (void)
{
char *str_up = NULL;
char *str_down = NULL;
const char *str = "iII"
"\xcc\x87" /* COMBINING DOT ABOVE (U+307) */
"\xc4\xb1" /* LATIN SMALL LETTER DOTLESS I (U+131) */
"\xc4\xb0"; /* LATIN CAPITAL LETTER I WITH DOT ABOVE (U+130) */
char *oldlocale = g_strdup (setlocale (LC_ALL, "tr_TR"));
if (oldlocale == NULL)
{
g_test_skip ("locale tr_TR not available");
return;
}
str_up = g_utf8_strup (str, strlen (str));
str_down = g_utf8_strdown (str, strlen (str));
/* i => LATIN CAPITAL LETTER I WITH DOT ABOVE,
* I => I,
* I + COMBINING DOT ABOVE => I + COMBINING DOT ABOVE,
* LATIN SMALL LETTER DOTLESS I => I,
* LATIN CAPITAL LETTER I WITH DOT ABOVE => LATIN CAPITAL LETTER I WITH DOT ABOVE */
g_assert_cmpstr (str_up, ==, "\xc4\xb0II\xcc\x87I\xc4\xb0");
/* i => i,
* I => LATIN SMALL LETTER DOTLESS I,
* I + COMBINING DOT ABOVE => i,
* LATIN SMALL LETTER DOTLESS I => LATIN SMALL LETTER DOTLESS I,
* LATIN CAPITAL LETTER I WITH DOT ABOVE => i */
g_assert_cmpstr (str_down, ==, "i\xc4\xb1i\xc4\xb1i");
g_free (str_up);
g_free (str_down);
setlocale (LC_ALL, oldlocale);
g_free (oldlocale);
}
/* Test that g_utf8_casefold() returns the correct value for various /* Test that g_utf8_casefold() returns the correct value for various
* ASCII and Unicode alphabetic, numeric, and other, codepoints. */ * ASCII and Unicode alphabetic, numeric, and other, codepoints. */
static void static void
@ -1644,6 +1685,7 @@ main (int argc,
g_test_add_func ("/unicode/space", test_space); g_test_add_func ("/unicode/space", test_space);
g_test_add_func ("/unicode/strdown", test_strdown); g_test_add_func ("/unicode/strdown", test_strdown);
g_test_add_func ("/unicode/strup", test_strup); g_test_add_func ("/unicode/strup", test_strup);
g_test_add_func ("/unicode/turkish-strupdown", test_turkish_strupdown);
g_test_add_func ("/unicode/title", test_title); g_test_add_func ("/unicode/title", test_title);
g_test_add_func ("/unicode/upper", test_upper); g_test_add_func ("/unicode/upper", test_upper);
g_test_add_func ("/unicode/validate", test_unichar_validate); g_test_add_func ("/unicode/validate", test_unichar_validate);