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win32_strftime_helper: Support nominative/genitive month names

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A similar change to the commit be4f96b650,
supports %OB, %Ob, %Oh (alternative, standalone, nominative) month names
along with the old %B, %b, %h (primary, in full date format context,
genitive) month names.

https://bugzilla.gnome.org/show_bug.cgi?id=749206
This commit is contained in:
Rafal Luzynski 2018-01-23 01:41:30 +01:00 committed by Philip Withnall
parent 5520a87930
commit fa12658809
1 changed files with 44 additions and 13 deletions
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41
glib/gdate.c
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@ -2137,17 +2137,42 @@ static void
append_month_name (GArray *result, append_month_name (GArray *result,
LCID lcid, LCID lcid,
SYSTEMTIME *systemtime, SYSTEMTIME *systemtime,
gboolean abbreviated) gboolean abbreviated,
gboolean alternative)
{ {
int n; int n;
WORD base; WORD base;
LPCWSTR lpFormat;
if (alternative)
{
base = abbreviated ? LOCALE_SABBREVMONTHNAME1 : LOCALE_SMONTHNAME1; base = abbreviated ? LOCALE_SABBREVMONTHNAME1 : LOCALE_SMONTHNAME1;
n = GetLocaleInfoW (lcid, base + systemtime->wMonth - 1, NULL, 0); n = GetLocaleInfoW (lcid, base + systemtime->wMonth - 1, NULL, 0);
g_array_set_size (result, result->len + n); g_array_set_size (result, result->len + n);
GetLocaleInfoW (lcid, base + systemtime->wMonth - 1, GetLocaleInfoW (lcid, base + systemtime->wMonth - 1,
((wchar_t *) result->data) + result->len - n, n); ((wchar_t *) result->data) + result->len - n, n);
g_array_set_size (result, result->len - 1); g_array_set_size (result, result->len - 1);
}
else
{
/* According to MSDN, this is the correct method to obtain
* the form of the month name used when formatting a full
* date; it must be a genitive case in some languages.
*/
lpFormat = abbreviated ? L"ddMMM" : L"ddMMMM";
n = GetDateFormatW (lcid, 0, systemtime, lpFormat, NULL, 0);
g_array_set_size (result, result->len + n);
GetDateFormatW (lcid, 0, systemtime, lpFormat,
((wchar_t *) result->data) + result->len - n, n);
/* We have obtained a day number as two digits and the month name.
* Now let's get rid of those two digits: overwrite them with the
* month name.
*/
memmove (((wchar_t *) result->data) + result->len - n,
((wchar_t *) result->data) + result->len - n + 2,
(n - 2) * sizeof (wchar_t));
g_array_set_size (result, result->len - 3);
}
} }
static gsize static gsize
@ -2163,7 +2188,7 @@ win32_strftime_helper (const GDate *d,
int n, k; int n, k;
GArray *result; GArray *result;
const gchar *p; const gchar *p;
gunichar c; gunichar c, modifier;
const wchar_t digits[] = L"0123456789"; const wchar_t digits[] = L"0123456789";
gchar *convbuf; gchar *convbuf;
glong convlen = 0; glong convlen = 0;
@ -2196,10 +2221,14 @@ win32_strftime_helper (const GDate *d,
return 0; return 0;
} }
modifier = '\0';
c = g_utf8_get_char (p); c = g_utf8_get_char (p);
if (c == 'E' || c == 'O') if (c == 'E' || c == 'O')
{ {
/* Ignore modified conversion specifiers for now. */ /* "%OB", "%Ob", and "%Oh" are supported, ignore other modified
* conversion specifiers for now.
*/
modifier = c;
p = g_utf8_next_char (p); p = g_utf8_next_char (p);
if (!*p) if (!*p)
{ {
@ -2236,10 +2265,12 @@ win32_strftime_helper (const GDate *d,
break; break;
case 'b': case 'b':
case 'h': case 'h':
append_month_name (result, lcid, &systemtime, TRUE); append_month_name (result, lcid, &systemtime, TRUE,
modifier == 'O');
break; break;
case 'B': case 'B':
append_month_name (result, lcid, &systemtime, FALSE); append_month_name (result, lcid, &systemtime, FALSE,
modifier == 'O');
break; break;
case 'c': case 'c':
n = GetDateFormatW (lcid, 0, &systemtime, NULL, NULL, 0); n = GetDateFormatW (lcid, 0, &systemtime, NULL, NULL, 0);