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locale-util: add logic to output smiley emojis at various happiness levels

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This commit is contained in:
Lennart Poettering
2018-11-06 17:59:58 +01:00
parent b2ac2b01c8
commit 5f1b0cc6d0
4 changed files with 84 additions and 29 deletions
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89
src/basic/locale-util.c
View File

@@ -16,6 +16,7 @@
#include "def.h"
#include "dirent-util.h"
#include "env-util.h"
#include "fd-util.h"
#include "hashmap.h"
#include "locale-util.h"
@@ -347,6 +348,24 @@ bool keymap_is_valid(const char *name) {
return true;
}
static bool emoji_enabled(void) {
static int cached_emoji_enabled = -1;
if (cached_emoji_enabled < 0) {
int val;
val = getenv_bool("SYSTEMD_EMOJI");
if (val < 0)
cached_emoji_enabled =
is_locale_utf8() &&
!STRPTR_IN_SET(getenv("TERM"), "dumb", "linux");
else
cached_emoji_enabled = val;
}
return cached_emoji_enabled;
}
const char *special_glyph(SpecialGlyph code) {
/* A list of a number of interesting unicode glyphs we can use to decorate our output. It's probably wise to be
@@ -359,40 +378,56 @@ const char *special_glyph(SpecialGlyph code) {
static const char* const draw_table[2][_SPECIAL_GLYPH_MAX] = {
/* ASCII fallback */
[false] = {
[TREE_VERTICAL] = "| ",
[TREE_BRANCH] = "|-",
[TREE_RIGHT] = "`-",
[TREE_SPACE] = " ",
[TRIANGULAR_BULLET] = ">",
[BLACK_CIRCLE] = "*",
[BULLET] = "*",
[ARROW] = "->",
[MDASH] = "-",
[ELLIPSIS] = "...",
[MU] = "u",
[CHECK_MARK] = "+",
[CROSS_MARK] = "-",
[TREE_VERTICAL] = "| ",
[TREE_BRANCH] = "|-",
[TREE_RIGHT] = "`-",
[TREE_SPACE] = " ",
[TRIANGULAR_BULLET] = ">",
[BLACK_CIRCLE] = "*",
[BULLET] = "*",
[ARROW] = "->",
[MDASH] = "-",
[ELLIPSIS] = "...",
[MU] = "u",
[CHECK_MARK] = "+",
[CROSS_MARK] = "-",
[ECSTATIC_SMILEY] = ":-]",
[HAPPY_SMILEY] = ":-}",
[SLIGHTLY_HAPPY_SMILEY] = ":-)",
[NEUTRAL_SMILEY] = ":-|",
[SLIGHTLY_UNHAPPY_SMILEY] = ":-(",
[UNHAPPY_SMILEY] = ":-{️",
[DEPRESSED_SMILEY] = ":-[",
},
/* UTF-8 */
[true] = {
[TREE_VERTICAL] = "\342\224\202 ", /* │ */
[TREE_BRANCH] = "\342\224\234\342\224\200", /* ├─ */
[TREE_RIGHT] = "\342\224\224\342\224\200", /* └─ */
[TREE_SPACE] = " ", /* */
[TRIANGULAR_BULLET] = "\342\200\243", /* ‣ */
[BLACK_CIRCLE] = "\342\227\217", /* ● */
[BULLET] = "\342\200\242", /* • */
[ARROW] = "\342\206\222", /* → */
[MDASH] = "\342\200\223", /* – */
[ELLIPSIS] = "\342\200\246", /* … */
[MU] = "\316\274", /* μ */
[CHECK_MARK] = "\342\234\223", /* ✓ */
[CROSS_MARK] = "\342\234\227", /* ✗ */
[TREE_VERTICAL] = "\342\224\202 ", /* │ */
[TREE_BRANCH] = "\342\224\234\342\224\200", /* ├─ */
[TREE_RIGHT] = "\342\224\224\342\224\200", /* └─ */
[TREE_SPACE] = " ", /* */
[TRIANGULAR_BULLET] = "\342\200\243", /* ‣ */
[BLACK_CIRCLE] = "\342\227\217", /* ● */
[BULLET] = "\342\200\242", /* • */
[ARROW] = "\342\206\222", /* → */
[MDASH] = "\342\200\223", /* – */
[ELLIPSIS] = "\342\200\246", /* … */
[MU] = "\316\274", /* μ */
[CHECK_MARK] = "\342\234\223", /* ✓ */
[CROSS_MARK] = "\342\234\227", /* ✗ */
[ECSTATIC_SMILEY] = "\360\237\230\207", /* 😇 */
[HAPPY_SMILEY] = "\360\237\230\200", /* 😀 */
[SLIGHTLY_HAPPY_SMILEY] = "\360\237\231\202", /* 🙂 */
[NEUTRAL_SMILEY] = "\360\237\230\220", /* 😐 */
[SLIGHTLY_UNHAPPY_SMILEY] = "\360\237\231\201", /* 🙁 */
[UNHAPPY_SMILEY] = "\360\237\230\250", /* 😨️️ */
[DEPRESSED_SMILEY] = "\360\237\244\242", /* 🤢 */
},
};
return draw_table[is_locale_utf8()][code];
assert(code < _SPECIAL_GLYPH_MAX);
return draw_table[code >= _SPECIAL_GLYPH_FIRST_SMILEY ? emoji_enabled() : is_locale_utf8()][code];
}
void locale_variables_free(char*l[_VARIABLE_LC_MAX]) {

8
src/basic/locale-util.h
View File

@@ -52,6 +52,14 @@ typedef enum {
MU,
CHECK_MARK,
CROSS_MARK,
_SPECIAL_GLYPH_FIRST_SMILEY,
ECSTATIC_SMILEY = _SPECIAL_GLYPH_FIRST_SMILEY,
HAPPY_SMILEY,
SLIGHTLY_HAPPY_SMILEY,
NEUTRAL_SMILEY,
SLIGHTLY_UNHAPPY_SMILEY,
UNHAPPY_SMILEY,
DEPRESSED_SMILEY,
_SPECIAL_GLYPH_MAX
} SpecialGlyph;