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osdep: add mp_get_user_langs

This commit is contained in:
rcombs 2021-05-26 17:55:08 -05:00 committed by sfan5
parent 0463096b3c
commit 57dae8f42c
6 changed files with 185 additions and 1 deletions

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@ -385,6 +385,7 @@ features += {'cocoa': cocoa.found()}
if features['cocoa']
dependencies += cocoa
sources += files('osdep/apple_utils.c',
'osdep/language-apple.c',
'osdep/macosx_application.m',
'osdep/macosx_events.m',
'osdep/macosx_menubar.m',
@ -407,7 +408,8 @@ if posix
endif
if posix and not features['cocoa']
sources += files('osdep/main-fn-unix.c')
sources += files('osdep/main-fn-unix.c',
'osdep/language-posix.c')
endif
if darwin
@ -492,6 +494,7 @@ if features['win32-desktop']
subprocess_source = files('osdep/subprocess-win.c')
sources += path_source + subprocess_source + \
files('input/ipc-win.c',
'osdep/language-win.c',
'osdep/main-fn-win.c',
'osdep/terminal-win.c',
'video/out/w32_common.c',

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@ -26,4 +26,6 @@
// Where applicable, l1 is the user-specified code and l2 is the code being checked against it
int mp_match_lang_single(const char *l1, const char *l2);
char **mp_get_user_langs(void);
#endif /* MP_LANGUAGE_H */

45
osdep/language-apple.c Normal file
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@ -0,0 +1,45 @@
/*
* User language lookup for Apple platforms
*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include "misc/language.h"
#include "apple_utils.h"
#include "mpv_talloc.h"
char **mp_get_user_langs(void)
{
CFArrayRef arr = CFLocaleCopyPreferredLanguages();
if (!arr)
return NULL;
CFIndex count = CFArrayGetCount(arr);
if (!count)
return NULL;
char **ret = talloc_array_ptrtype(NULL, ret, count + 1);
for (CFIndex i = 0; i < count; i++) {
CFStringRef cfstr = CFArrayGetValueAtIndex(arr, i);
ret[i] = talloc_steal(ret, cfstr_get_cstr(cfstr));
}
ret[count] = NULL;
CFRelease(arr);
return ret;
}

61
osdep/language-posix.c Normal file
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@ -0,0 +1,61 @@
/*
* User language lookup for generic POSIX platforms
*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include "misc/language.h"
#include "mpv_talloc.h"
#include <stddef.h>
char **mp_get_user_langs(void)
{
static const char *const list[] = {
"LC_ALL",
"LC_MESSAGES",
"LANG",
NULL
};
size_t nb = 0;
char **ret = NULL;
// Prefer anything we get from LANGUAGE first
for (const char *langList = getenv("LANGUAGE"); langList && *langList;) {
size_t len = strcspn(langList, ":");
MP_TARRAY_GROW(NULL, ret, nb);
ret[nb++] = talloc_strndup(ret, langList, len);
langList += len;
while (*langList == ':')
langList++;
}
// Then, the language components of other relevant locale env vars
for (int i = 0; list[i]; i++) {
const char *envval = getenv(list[i]);
if (envval && *envval) {
size_t len = strcspn(envval, ".@");
MP_TARRAY_GROW(NULL, ret, nb);
ret[nb++] = talloc_strndup(ret, envval, len);
}
}
// Null-terminate the list
MP_TARRAY_APPEND(NULL, ret, nb, NULL);
return ret;
}

65
osdep/language-win.c Normal file
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@ -0,0 +1,65 @@
/*
* User language lookup for win32
*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include "misc/language.h"
#include "mpv_talloc.h"
#include "osdep/io.h"
#include <windows.h>
char **mp_get_user_langs(void)
{
size_t nb = 0;
char **ret = NULL;
ULONG got_count = 0;
ULONG got_size = 0;
if (!GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &got_count, NULL, &got_size) ||
got_size == 0)
return NULL;
wchar_t *buf = talloc_array(NULL, wchar_t, got_size);
if (!GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &got_count, buf, &got_size) ||
got_size == 0)
goto cleanup;
for (ULONG pos = 0; buf[pos]; pos += wcslen(buf + pos) + 1) {
ret = talloc_realloc(NULL, ret, char*, (nb + 2));
ret[nb++] = mp_to_utf8(ret, buf + pos);
}
ret[nb] = NULL;
if (!GetSystemPreferredUILanguages(MUI_LANGUAGE_NAME, &got_count, NULL, &got_size))
goto cleanup;
buf = talloc_realloc(NULL, buf, wchar_t, got_size);
if (!GetSystemPreferredUILanguages(MUI_LANGUAGE_NAME, &got_count, buf, &got_size))
goto cleanup;
for (ULONG pos = 0; buf[pos]; pos += wcslen(buf + pos) + 1) {
ret = talloc_realloc(NULL, ret, char*, (nb + 2));
ret[nb++] = mp_to_utf8(ret, buf + pos);
}
ret[nb] = NULL;
cleanup:
talloc_free(buf);
return ret;
}

View File

@ -249,6 +249,12 @@ def build(ctx):
( "osdep/subprocess-dummy.c" ),
])
language_c = ctx.pick_first_matching_dep([
( "osdep/language-apple.c", "cocoa" ),
( "osdep/language-win.c", "win32-desktop" ),
( "osdep/language-posix.c" ),
])
sources = [
## Audio
( "audio/aframe.c" ),
@ -581,6 +587,8 @@ def build(ctx):
( timer_c ),
( "osdep/polldev.c", "posix" ),
( language_c ),
( "osdep/android/strnlen.c", "android"),
( "osdep/apple_utils.c", "cocoa" ),
( "osdep/glob-win.c", "glob-win32" ),