util-lib: move more locale-related calls to locale-util.[ch]

This commit is contained in:
Lennart Poettering
2015-10-27 13:25:56 +01:00
parent b8faf2ecd5
commit 8752c5752f
19 changed files with 122 additions and 99 deletions
+84
View File
@@ -19,6 +19,8 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <langinfo.h>
#include <locale.h>
#include <sys/mman.h>
#include "dirent-util.h"
@@ -208,6 +210,88 @@ bool locale_is_valid(const char *name) {
return true;
}
void init_gettext(void) {
setlocale(LC_ALL, "");
textdomain(GETTEXT_PACKAGE);
}
bool is_locale_utf8(void) {
const char *set;
static int cached_answer = -1;
/* Note that we default to 'true' here, since today UTF8 is
* pretty much supported everywhere. */
if (cached_answer >= 0)
goto out;
if (!setlocale(LC_ALL, "")) {
cached_answer = true;
goto out;
}
set = nl_langinfo(CODESET);
if (!set) {
cached_answer = true;
goto out;
}
if (streq(set, "UTF-8")) {
cached_answer = true;
goto out;
}
/* For LC_CTYPE=="C" return true, because CTYPE is effectly
* unset and everything can do to UTF-8 nowadays. */
set = setlocale(LC_CTYPE, NULL);
if (!set) {
cached_answer = true;
goto out;
}
/* Check result, but ignore the result if C was set
* explicitly. */
cached_answer =
STR_IN_SET(set, "C", "POSIX") &&
!getenv("LC_ALL") &&
!getenv("LC_CTYPE") &&
!getenv("LANG");
out:
return (bool) cached_answer;
}
const char *draw_special_char(DrawSpecialChar ch) {
static const char *draw_table[2][_DRAW_SPECIAL_CHAR_MAX] = {
/* UTF-8 */ {
[DRAW_TREE_VERTICAL] = "\342\224\202 ", /* │ */
[DRAW_TREE_BRANCH] = "\342\224\234\342\224\200", /* ├─ */
[DRAW_TREE_RIGHT] = "\342\224\224\342\224\200", /* └─ */
[DRAW_TREE_SPACE] = " ", /* */
[DRAW_TRIANGULAR_BULLET] = "\342\200\243", /* ‣ */
[DRAW_BLACK_CIRCLE] = "\342\227\217", /* ● */
[DRAW_ARROW] = "\342\206\222", /* → */
[DRAW_DASH] = "\342\200\223", /* – */
},
/* ASCII fallback */ {
[DRAW_TREE_VERTICAL] = "| ",
[DRAW_TREE_BRANCH] = "|-",
[DRAW_TREE_RIGHT] = "`-",
[DRAW_TREE_SPACE] = " ",
[DRAW_TRIANGULAR_BULLET] = ">",
[DRAW_BLACK_CIRCLE] = "*",
[DRAW_ARROW] = "->",
[DRAW_DASH] = "-",
}
};
return draw_table[!is_locale_utf8()][ch];
}
static const char * const locale_variable_table[_VARIABLE_LC_MAX] = {
[VARIABLE_LANG] = "LANG",
[VARIABLE_LANGUAGE] = "LANGUAGE",
+21
View File
@@ -21,6 +21,7 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <libintl.h>
#include <stdbool.h>
#include "macro.h"
@@ -50,5 +51,25 @@ typedef enum LocaleVariable {
int get_locales(char ***l);
bool locale_is_valid(const char *name);
#define _(String) gettext(String)
#define N_(String) String
void init_gettext(void);
bool is_locale_utf8(void);
typedef enum DrawSpecialChar {
DRAW_TREE_VERTICAL,
DRAW_TREE_BRANCH,
DRAW_TREE_RIGHT,
DRAW_TREE_SPACE,
DRAW_TRIANGULAR_BULLET,
DRAW_BLACK_CIRCLE,
DRAW_ARROW,
DRAW_DASH,
_DRAW_SPECIAL_CHAR_MAX
} DrawSpecialChar;
const char *draw_special_char(DrawSpecialChar ch);
const char* locale_variable_to_string(LocaleVariable i) _const_;
LocaleVariable locale_variable_from_string(const char *s) _pure_;
-77
View File
@@ -810,83 +810,6 @@ void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
return NULL;
}
void init_gettext(void) {
setlocale(LC_ALL, "");
textdomain(GETTEXT_PACKAGE);
}
bool is_locale_utf8(void) {
const char *set;
static int cached_answer = -1;
if (cached_answer >= 0)
goto out;
if (!setlocale(LC_ALL, "")) {
cached_answer = true;
goto out;
}
set = nl_langinfo(CODESET);
if (!set) {
cached_answer = true;
goto out;
}
if (streq(set, "UTF-8")) {
cached_answer = true;
goto out;
}
/* For LC_CTYPE=="C" return true, because CTYPE is effectly
* unset and everything can do to UTF-8 nowadays. */
set = setlocale(LC_CTYPE, NULL);
if (!set) {
cached_answer = true;
goto out;
}
/* Check result, but ignore the result if C was set
* explicitly. */
cached_answer =
STR_IN_SET(set, "C", "POSIX") &&
!getenv("LC_ALL") &&
!getenv("LC_CTYPE") &&
!getenv("LANG");
out:
return (bool) cached_answer;
}
const char *draw_special_char(DrawSpecialChar ch) {
static const char *draw_table[2][_DRAW_SPECIAL_CHAR_MAX] = {
/* UTF-8 */ {
[DRAW_TREE_VERTICAL] = "\342\224\202 ", /* │ */
[DRAW_TREE_BRANCH] = "\342\224\234\342\224\200", /* ├─ */
[DRAW_TREE_RIGHT] = "\342\224\224\342\224\200", /* └─ */
[DRAW_TREE_SPACE] = " ", /* */
[DRAW_TRIANGULAR_BULLET] = "\342\200\243", /* ‣ */
[DRAW_BLACK_CIRCLE] = "\342\227\217", /* ● */
[DRAW_ARROW] = "\342\206\222", /* → */
[DRAW_DASH] = "\342\200\223", /* – */
},
/* ASCII fallback */ {
[DRAW_TREE_VERTICAL] = "| ",
[DRAW_TREE_BRANCH] = "|-",
[DRAW_TREE_RIGHT] = "`-",
[DRAW_TREE_SPACE] = " ",
[DRAW_TRIANGULAR_BULLET] = ">",
[DRAW_BLACK_CIRCLE] = "*",
[DRAW_ARROW] = "->",
[DRAW_DASH] = "-",
}
};
return draw_table[!is_locale_utf8()][ch];
}
int on_ac_power(void) {
bool found_offline = false, found_online = false;
_cleanup_closedir_ DIR *d = NULL;
-19
View File
@@ -192,25 +192,6 @@ void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
int (*compar) (const void *, const void *, void *),
void *arg);
#define _(String) gettext (String)
#define N_(String) String
void init_gettext(void);
bool is_locale_utf8(void);
typedef enum DrawSpecialChar {
DRAW_TREE_VERTICAL,
DRAW_TREE_BRANCH,
DRAW_TREE_RIGHT,
DRAW_TREE_SPACE,
DRAW_TRIANGULAR_BULLET,
DRAW_BLACK_CIRCLE,
DRAW_ARROW,
DRAW_DASH,
_DRAW_SPECIAL_CHAR_MAX
} DrawSpecialChar;
const char *draw_special_char(DrawSpecialChar ch);
int on_ac_power(void);
static inline void *mempset(void *s, int c, size_t n) {