| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #include "env-util.h" |
| #include "glyph-util.h" |
| #include "locale-util.h" |
| #include "strv.h" |
| |
| bool emoji_enabled(void) { |
| static int cached_emoji_enabled = -1; |
| |
| if (cached_emoji_enabled < 0) { |
| int val = getenv_bool("SYSTEMD_EMOJI"); |
| if (val >= 0) |
| return (cached_emoji_enabled = val); |
| |
| const char *term = getenv("TERM"); |
| if (!term || STR_IN_SET(term, "dumb", "linux")) |
| return (cached_emoji_enabled = false); |
| |
| cached_emoji_enabled = is_locale_utf8(); |
| } |
| |
| 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 |
| * conservative here, and primarily stick to the glyphs defined in the eurlatgr font, so that display still |
| * works reasonably well on the Linux console. For details see: |
| * |
| * http://git.altlinux.org/people/legion/packages/kbd.git?p=kbd.git;a=blob;f=data/consolefonts/README.eurlatgr |
| */ |
| |
| static const char* const draw_table[2][_SPECIAL_GLYPH_MAX] = { |
| /* ASCII fallback */ |
| [false] = { |
| [SPECIAL_GLYPH_TREE_VERTICAL] = "| ", |
| [SPECIAL_GLYPH_TREE_BRANCH] = "|-", |
| [SPECIAL_GLYPH_TREE_RIGHT] = "`-", |
| [SPECIAL_GLYPH_TREE_SPACE] = " ", |
| [SPECIAL_GLYPH_TREE_TOP] = ",-", |
| [SPECIAL_GLYPH_VERTICAL_DOTTED] = ":", |
| [SPECIAL_GLYPH_TRIANGULAR_BULLET] = ">", |
| [SPECIAL_GLYPH_BLACK_CIRCLE] = "*", |
| [SPECIAL_GLYPH_WHITE_CIRCLE] = "*", |
| [SPECIAL_GLYPH_MULTIPLICATION_SIGN] = "x", |
| [SPECIAL_GLYPH_CIRCLE_ARROW] = "*", |
| [SPECIAL_GLYPH_BULLET] = "*", |
| [SPECIAL_GLYPH_MU] = "u", |
| [SPECIAL_GLYPH_CHECK_MARK] = "+", |
| [SPECIAL_GLYPH_CROSS_MARK] = "-", |
| [SPECIAL_GLYPH_LIGHT_SHADE] = "-", |
| [SPECIAL_GLYPH_DARK_SHADE] = "X", |
| [SPECIAL_GLYPH_SIGMA] = "S", |
| [SPECIAL_GLYPH_ARROW_LEFT] = "<-", |
| [SPECIAL_GLYPH_ARROW_RIGHT] = "->", |
| [SPECIAL_GLYPH_ARROW_UP] = "^", |
| [SPECIAL_GLYPH_ARROW_DOWN] = "v", |
| [SPECIAL_GLYPH_ELLIPSIS] = "...", |
| [SPECIAL_GLYPH_EXTERNAL_LINK] = "[LNK]", |
| [SPECIAL_GLYPH_ECSTATIC_SMILEY] = ":-]", |
| [SPECIAL_GLYPH_HAPPY_SMILEY] = ":-}", |
| [SPECIAL_GLYPH_SLIGHTLY_HAPPY_SMILEY] = ":-)", |
| [SPECIAL_GLYPH_NEUTRAL_SMILEY] = ":-|", |
| [SPECIAL_GLYPH_SLIGHTLY_UNHAPPY_SMILEY] = ":-(", |
| [SPECIAL_GLYPH_UNHAPPY_SMILEY] = ":-{", |
| [SPECIAL_GLYPH_DEPRESSED_SMILEY] = ":-[", |
| [SPECIAL_GLYPH_LOCK_AND_KEY] = "o-,", |
| [SPECIAL_GLYPH_TOUCH] = "O=", /* Yeah, not very convincing, can you do it better? */ |
| [SPECIAL_GLYPH_RECYCLING] = "~", |
| [SPECIAL_GLYPH_DOWNLOAD] = "\\", |
| [SPECIAL_GLYPH_SPARKLES] = "*", |
| [SPECIAL_GLYPH_WARNING_SIGN] = "!", |
| }, |
| |
| /* UTF-8 */ |
| [true] = { |
| /* The following are multiple glyphs in both ASCII and in UNICODE */ |
| [SPECIAL_GLYPH_TREE_VERTICAL] = u8"│ ", |
| [SPECIAL_GLYPH_TREE_BRANCH] = u8"├─", |
| [SPECIAL_GLYPH_TREE_RIGHT] = u8"└─", |
| [SPECIAL_GLYPH_TREE_SPACE] = u8" ", |
| [SPECIAL_GLYPH_TREE_TOP] = u8"┌─", |
| |
| /* Single glyphs in both cases */ |
| [SPECIAL_GLYPH_VERTICAL_DOTTED] = u8"┆", |
| [SPECIAL_GLYPH_TRIANGULAR_BULLET] = u8"‣", |
| [SPECIAL_GLYPH_BLACK_CIRCLE] = u8"●", |
| [SPECIAL_GLYPH_WHITE_CIRCLE] = u8"○", |
| [SPECIAL_GLYPH_MULTIPLICATION_SIGN] = u8"×", |
| [SPECIAL_GLYPH_CIRCLE_ARROW] = u8"↻", |
| [SPECIAL_GLYPH_BULLET] = u8"•", |
| [SPECIAL_GLYPH_MU] = u8"μ", /* actually called: GREEK SMALL LETTER MU */ |
| [SPECIAL_GLYPH_CHECK_MARK] = u8"✓", |
| [SPECIAL_GLYPH_CROSS_MARK] = u8"✗", /* actually called: BALLOT X */ |
| [SPECIAL_GLYPH_LIGHT_SHADE] = u8"░", |
| [SPECIAL_GLYPH_DARK_SHADE] = u8"▒", |
| [SPECIAL_GLYPH_SIGMA] = u8"Σ", |
| [SPECIAL_GLYPH_ARROW_UP] = u8"↑", /* actually called: UPWARDS ARROW */ |
| [SPECIAL_GLYPH_ARROW_DOWN] = u8"↓", /* actually called: DOWNWARDS ARROW */ |
| |
| /* Single glyph in Unicode, two in ASCII */ |
| [SPECIAL_GLYPH_ARROW_LEFT] = u8"←", /* actually called: LEFTWARDS ARROW */ |
| [SPECIAL_GLYPH_ARROW_RIGHT] = u8"→", /* actually called: RIGHTWARDS ARROW */ |
| |
| /* Single glyph in Unicode, three in ASCII */ |
| [SPECIAL_GLYPH_ELLIPSIS] = u8"…", /* actually called: HORIZONTAL ELLIPSIS */ |
| |
| /* Three glyphs in Unicode, five in ASCII */ |
| [SPECIAL_GLYPH_EXTERNAL_LINK] = u8"[🡕]", /* actually called: NORTH EAST SANS-SERIF ARROW, enclosed in [] */ |
| |
| /* These smileys are a single glyph in Unicode, and three in ASCII */ |
| [SPECIAL_GLYPH_ECSTATIC_SMILEY] = u8"😇", /* actually called: SMILING FACE WITH HALO */ |
| [SPECIAL_GLYPH_HAPPY_SMILEY] = u8"😀", /* actually called: GRINNING FACE */ |
| [SPECIAL_GLYPH_SLIGHTLY_HAPPY_SMILEY] = u8"🙂", /* actually called: SLIGHTLY SMILING FACE */ |
| [SPECIAL_GLYPH_NEUTRAL_SMILEY] = u8"😐", /* actually called: NEUTRAL FACE */ |
| [SPECIAL_GLYPH_SLIGHTLY_UNHAPPY_SMILEY] = u8"🙁", /* actually called: SLIGHTLY FROWNING FACE */ |
| [SPECIAL_GLYPH_UNHAPPY_SMILEY] = u8"😨", /* actually called: FEARFUL FACE */ |
| [SPECIAL_GLYPH_DEPRESSED_SMILEY] = u8"🤢", /* actually called: NAUSEATED FACE */ |
| |
| /* This emoji is a single character cell glyph in Unicode, and three in ASCII */ |
| [SPECIAL_GLYPH_LOCK_AND_KEY] = u8"🔐", /* actually called: CLOSED LOCK WITH KEY */ |
| |
| /* This emoji is a single character cell glyph in Unicode, and two in ASCII */ |
| [SPECIAL_GLYPH_TOUCH] = u8"👆", /* actually called: BACKHAND INDEX POINTING UP */ |
| |
| /* These four emojis are single character cell glyphs in Unicode and also in ASCII. */ |
| [SPECIAL_GLYPH_RECYCLING] = u8"♻️", /* actually called: UNIVERSAL RECYCLNG SYMBOL */ |
| [SPECIAL_GLYPH_DOWNLOAD] = u8"⤵️", /* actually called: RIGHT ARROW CURVING DOWN */ |
| [SPECIAL_GLYPH_SPARKLES] = u8"✨", |
| [SPECIAL_GLYPH_WARNING_SIGN] = u8"⚠️", |
| }, |
| }; |
| |
| if (code < 0) |
| return NULL; |
| |
| assert(code < _SPECIAL_GLYPH_MAX); |
| return draw_table[code >= _SPECIAL_GLYPH_FIRST_EMOJI ? emoji_enabled() : is_locale_utf8()][code]; |
| } |
