terminal-util: split out color macros/helpers into its own header
This is a lot of stuff, and sometimes quite wild, let's turn this into its own header. All stuff color-related that just generates sequences is now in ansi-color.h (no .c file!), and everything more complex that probes/ineracts with terminals remains in termina-util.[ch]
This commit is contained in:
Lennart Poettering
@@ -0,0 +1,162 @@
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include "terminal-util.h"
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/* Regular colors */
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#define ANSI_BLACK "\x1B[0;30m" /* Some type of grey usually. */
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#define ANSI_RED "\x1B[0;31m"
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#define ANSI_GREEN "\x1B[0;32m"
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#define ANSI_YELLOW "\x1B[0;33m"
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#define ANSI_BLUE "\x1B[0;34m"
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#define ANSI_MAGENTA "\x1B[0;35m"
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#define ANSI_CYAN "\x1B[0;36m"
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#define ANSI_WHITE "\x1B[0;37m" /* This is actually rendered as light grey, legible even on a white
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* background. See ANSI_HIGHLIGHT_WHITE for real white. */
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#define ANSI_BRIGHT_BLACK "\x1B[0;90m"
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#define ANSI_BRIGHT_RED "\x1B[0;91m"
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#define ANSI_BRIGHT_GREEN "\x1B[0;92m"
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#define ANSI_BRIGHT_YELLOW "\x1B[0;93m"
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#define ANSI_BRIGHT_BLUE "\x1B[0;94m"
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#define ANSI_BRIGHT_MAGENTA "\x1B[0;95m"
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#define ANSI_BRIGHT_CYAN "\x1B[0;96m"
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#define ANSI_BRIGHT_WHITE "\x1B[0;97m"
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#define ANSI_GREY "\x1B[0;38;5;245m"
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/* Bold/highlighted */
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#define ANSI_HIGHLIGHT_BLACK "\x1B[0;1;30m"
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#define ANSI_HIGHLIGHT_RED "\x1B[0;1;31m"
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#define ANSI_HIGHLIGHT_GREEN "\x1B[0;1;32m"
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#define _ANSI_HIGHLIGHT_YELLOW "\x1B[0;1;33m" /* This yellow is currently not displayed well by some terminals */
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#define ANSI_HIGHLIGHT_BLUE "\x1B[0;1;34m"
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#define ANSI_HIGHLIGHT_MAGENTA "\x1B[0;1;35m"
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#define ANSI_HIGHLIGHT_CYAN "\x1B[0;1;36m"
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#define ANSI_HIGHLIGHT_WHITE "\x1B[0;1;37m"
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#define ANSI_HIGHLIGHT_YELLOW4 "\x1B[0;1;38:5:100m"
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#define ANSI_HIGHLIGHT_KHAKI3 "\x1B[0;1;38:5:185m"
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#define ANSI_HIGHLIGHT_GREY "\x1B[0;1;38:5:245m"
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#define ANSI_HIGHLIGHT_YELLOW ANSI_HIGHLIGHT_KHAKI3 /* Replacement yellow that is more legible */
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/* Underlined */
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#define ANSI_GREY_UNDERLINE "\x1B[0;4;38:5:245m"
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#define ANSI_BRIGHT_BLACK_UNDERLINE "\x1B[0;4;90m"
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#define ANSI_HIGHLIGHT_RED_UNDERLINE "\x1B[0;1;4;31m"
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#define ANSI_HIGHLIGHT_GREEN_UNDERLINE "\x1B[0;1;4;32m"
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#define ANSI_HIGHLIGHT_YELLOW_UNDERLINE "\x1B[0;1;4;38:5:185m"
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#define ANSI_HIGHLIGHT_BLUE_UNDERLINE "\x1B[0;1;4;34m"
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#define ANSI_HIGHLIGHT_MAGENTA_UNDERLINE "\x1B[0;1;4;35m"
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#define ANSI_HIGHLIGHT_GREY_UNDERLINE "\x1B[0;1;4;38:5:245m"
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/* Other ANSI codes */
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#define ANSI_UNDERLINE "\x1B[0;4m"
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#define ANSI_ADD_UNDERLINE "\x1B[4m"
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#define ANSI_ADD_UNDERLINE_GREY ANSI_ADD_UNDERLINE "\x1B[58:5:245m"
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#define ANSI_HIGHLIGHT "\x1B[0;1;39m"
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#define ANSI_HIGHLIGHT_UNDERLINE "\x1B[0;1;4m"
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/* Fallback colors: 256 → 16 */
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#define ANSI_HIGHLIGHT_GREY_FALLBACK "\x1B[0;1;90m"
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#define ANSI_HIGHLIGHT_GREY_FALLBACK_UNDERLINE "\x1B[0;1;4;90m"
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#define ANSI_HIGHLIGHT_YELLOW_FALLBACK "\x1B[0;1;33m"
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#define ANSI_HIGHLIGHT_YELLOW_FALLBACK_UNDERLINE "\x1B[0;1;4;33m"
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/* Background colors */
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#define ANSI_BACKGROUND_BLUE "\x1B[44m"
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/* Reset/clear ANSI styles */
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#define ANSI_NORMAL "\x1B[0m"
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#define DEFINE_ANSI_FUNC(name, NAME) \
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static inline const char* ansi_##name(void) { \
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return colors_enabled() ? ANSI_##NAME : ""; \
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}
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#define DEFINE_ANSI_FUNC_256(name, NAME, FALLBACK) \
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static inline const char* ansi_##name(void) { \
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switch (get_color_mode()) { \
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case COLOR_OFF: return ""; \
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case COLOR_16: return ANSI_##FALLBACK; \
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default : return ANSI_##NAME; \
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} \
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}
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static inline const char* ansi_underline(void) {
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return underline_enabled() ? ANSI_UNDERLINE : "";
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}
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static inline const char* ansi_add_underline(void) {
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return underline_enabled() ? ANSI_ADD_UNDERLINE : "";
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}
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static inline const char* ansi_add_underline_grey(void) {
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return underline_enabled() ?
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(colors_enabled() ? ANSI_ADD_UNDERLINE_GREY : ANSI_ADD_UNDERLINE) : "";
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}
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#define DEFINE_ANSI_FUNC_UNDERLINE(name, NAME) \
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static inline const char* ansi_##name(void) { \
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return underline_enabled() ? ANSI_##NAME##_UNDERLINE : \
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colors_enabled() ? ANSI_##NAME : ""; \
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}
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#define DEFINE_ANSI_FUNC_UNDERLINE_256(name, NAME, FALLBACK) \
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static inline const char* ansi_##name(void) { \
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switch (get_color_mode()) { \
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case COLOR_OFF: return ""; \
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case COLOR_16: return underline_enabled() ? ANSI_##FALLBACK##_UNDERLINE : ANSI_##FALLBACK; \
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default : return underline_enabled() ? ANSI_##NAME##_UNDERLINE: ANSI_##NAME; \
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} \
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}
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DEFINE_ANSI_FUNC(normal, NORMAL);
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DEFINE_ANSI_FUNC(highlight, HIGHLIGHT);
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DEFINE_ANSI_FUNC(black, BLACK);
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DEFINE_ANSI_FUNC(red, RED);
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DEFINE_ANSI_FUNC(green, GREEN);
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DEFINE_ANSI_FUNC(yellow, YELLOW);
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DEFINE_ANSI_FUNC(blue, BLUE);
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DEFINE_ANSI_FUNC(magenta, MAGENTA);
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DEFINE_ANSI_FUNC(cyan, CYAN);
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DEFINE_ANSI_FUNC(white, WHITE);
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DEFINE_ANSI_FUNC_256(grey, GREY, BRIGHT_BLACK);
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DEFINE_ANSI_FUNC(bright_black, BRIGHT_BLACK);
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DEFINE_ANSI_FUNC(bright_red, BRIGHT_RED);
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DEFINE_ANSI_FUNC(bright_green, BRIGHT_GREEN);
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DEFINE_ANSI_FUNC(bright_yellow, BRIGHT_YELLOW);
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DEFINE_ANSI_FUNC(bright_blue, BRIGHT_BLUE);
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DEFINE_ANSI_FUNC(bright_magenta, BRIGHT_MAGENTA);
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DEFINE_ANSI_FUNC(bright_cyan, BRIGHT_CYAN);
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DEFINE_ANSI_FUNC(bright_white, BRIGHT_WHITE);
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DEFINE_ANSI_FUNC(highlight_black, HIGHLIGHT_BLACK);
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DEFINE_ANSI_FUNC(highlight_red, HIGHLIGHT_RED);
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DEFINE_ANSI_FUNC(highlight_green, HIGHLIGHT_GREEN);
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DEFINE_ANSI_FUNC_256(highlight_yellow, HIGHLIGHT_YELLOW, HIGHLIGHT_YELLOW_FALLBACK);
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DEFINE_ANSI_FUNC_256(highlight_yellow4, HIGHLIGHT_YELLOW4, HIGHLIGHT_YELLOW_FALLBACK);
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DEFINE_ANSI_FUNC(highlight_blue, HIGHLIGHT_BLUE);
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DEFINE_ANSI_FUNC(highlight_magenta, HIGHLIGHT_MAGENTA);
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DEFINE_ANSI_FUNC(highlight_cyan, HIGHLIGHT_CYAN);
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DEFINE_ANSI_FUNC_256(highlight_grey, HIGHLIGHT_GREY, HIGHLIGHT_GREY_FALLBACK);
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DEFINE_ANSI_FUNC(highlight_white, HIGHLIGHT_WHITE);
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static inline const char* _ansi_highlight_yellow(void) {
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return colors_enabled() ? _ANSI_HIGHLIGHT_YELLOW : "";
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}
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_underline, HIGHLIGHT);
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DEFINE_ANSI_FUNC_UNDERLINE_256(grey_underline, GREY, BRIGHT_BLACK);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_red_underline, HIGHLIGHT_RED);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_green_underline, HIGHLIGHT_GREEN);
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DEFINE_ANSI_FUNC_UNDERLINE_256(highlight_yellow_underline, HIGHLIGHT_YELLOW, HIGHLIGHT_YELLOW_FALLBACK);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_blue_underline, HIGHLIGHT_BLUE);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_magenta_underline, HIGHLIGHT_MAGENTA);
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DEFINE_ANSI_FUNC_UNDERLINE_256(highlight_grey_underline, HIGHLIGHT_GREY, HIGHLIGHT_GREY_FALLBACK);
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static inline const char* ansi_highlight_green_red(bool b) {
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return b ? ansi_highlight_green() : ansi_highlight_red();
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}
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@@ -3,6 +3,7 @@
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#include <stdio.h>
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#include "alloc-util.h"
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#include "ansi-color.h"
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#include "build.h"
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#include "extract-word.h"
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#include "macro.h"
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@@ -16,6 +16,7 @@
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#include "sd-messages.h"
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#include "alloc-util.h"
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#include "ansi-color.h"
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#include "argv-util.h"
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#include "env-util.h"
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#include "errno-util.h"
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@@ -21,6 +21,7 @@
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#include <unistd.h>
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#include "alloc-util.h"
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#include "ansi-color.h"
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#include "constants.h"
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#include "devnum-util.h"
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#include "env-util.h"
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@@ -11,72 +11,6 @@
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#include "macro.h"
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#include "time-util.h"
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/* Regular colors */
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#define ANSI_BLACK "\x1B[0;30m" /* Some type of grey usually. */
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#define ANSI_RED "\x1B[0;31m"
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#define ANSI_GREEN "\x1B[0;32m"
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#define ANSI_YELLOW "\x1B[0;33m"
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#define ANSI_BLUE "\x1B[0;34m"
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#define ANSI_MAGENTA "\x1B[0;35m"
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#define ANSI_CYAN "\x1B[0;36m"
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#define ANSI_WHITE "\x1B[0;37m" /* This is actually rendered as light grey, legible even on a white
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* background. See ANSI_HIGHLIGHT_WHITE for real white. */
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#define ANSI_BRIGHT_BLACK "\x1B[0;90m"
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#define ANSI_BRIGHT_RED "\x1B[0;91m"
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#define ANSI_BRIGHT_GREEN "\x1B[0;92m"
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#define ANSI_BRIGHT_YELLOW "\x1B[0;93m"
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#define ANSI_BRIGHT_BLUE "\x1B[0;94m"
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#define ANSI_BRIGHT_MAGENTA "\x1B[0;95m"
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#define ANSI_BRIGHT_CYAN "\x1B[0;96m"
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#define ANSI_BRIGHT_WHITE "\x1B[0;97m"
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#define ANSI_GREY "\x1B[0;38;5;245m"
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/* Bold/highlighted */
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#define ANSI_HIGHLIGHT_BLACK "\x1B[0;1;30m"
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#define ANSI_HIGHLIGHT_RED "\x1B[0;1;31m"
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#define ANSI_HIGHLIGHT_GREEN "\x1B[0;1;32m"
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#define _ANSI_HIGHLIGHT_YELLOW "\x1B[0;1;33m" /* This yellow is currently not displayed well by some terminals */
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#define ANSI_HIGHLIGHT_BLUE "\x1B[0;1;34m"
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#define ANSI_HIGHLIGHT_MAGENTA "\x1B[0;1;35m"
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#define ANSI_HIGHLIGHT_CYAN "\x1B[0;1;36m"
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#define ANSI_HIGHLIGHT_WHITE "\x1B[0;1;37m"
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#define ANSI_HIGHLIGHT_YELLOW4 "\x1B[0;1;38:5:100m"
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#define ANSI_HIGHLIGHT_KHAKI3 "\x1B[0;1;38:5:185m"
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#define ANSI_HIGHLIGHT_GREY "\x1B[0;1;38:5:245m"
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#define ANSI_HIGHLIGHT_YELLOW ANSI_HIGHLIGHT_KHAKI3 /* Replacement yellow that is more legible */
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/* Underlined */
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#define ANSI_GREY_UNDERLINE "\x1B[0;4;38:5:245m"
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#define ANSI_BRIGHT_BLACK_UNDERLINE "\x1B[0;4;90m"
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#define ANSI_HIGHLIGHT_RED_UNDERLINE "\x1B[0;1;4;31m"
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#define ANSI_HIGHLIGHT_GREEN_UNDERLINE "\x1B[0;1;4;32m"
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#define ANSI_HIGHLIGHT_YELLOW_UNDERLINE "\x1B[0;1;4;38:5:185m"
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#define ANSI_HIGHLIGHT_BLUE_UNDERLINE "\x1B[0;1;4;34m"
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#define ANSI_HIGHLIGHT_MAGENTA_UNDERLINE "\x1B[0;1;4;35m"
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#define ANSI_HIGHLIGHT_GREY_UNDERLINE "\x1B[0;1;4;38:5:245m"
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/* Other ANSI codes */
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#define ANSI_UNDERLINE "\x1B[0;4m"
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#define ANSI_ADD_UNDERLINE "\x1B[4m"
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#define ANSI_ADD_UNDERLINE_GREY ANSI_ADD_UNDERLINE "\x1B[58:5:245m"
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#define ANSI_HIGHLIGHT "\x1B[0;1;39m"
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#define ANSI_HIGHLIGHT_UNDERLINE "\x1B[0;1;4m"
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/* Fallback colors: 256 -> 16 */
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#define ANSI_HIGHLIGHT_GREY_FALLBACK "\x1B[0;1;90m"
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#define ANSI_HIGHLIGHT_GREY_FALLBACK_UNDERLINE "\x1B[0;1;4;90m"
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#define ANSI_HIGHLIGHT_YELLOW_FALLBACK "\x1B[0;1;33m"
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#define ANSI_HIGHLIGHT_YELLOW_FALLBACK_UNDERLINE "\x1B[0;1;4;33m"
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/* Background colors */
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#define ANSI_BACKGROUND_BLUE "\x1B[44m"
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/* Reset/clear ANSI styles */
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#define ANSI_NORMAL "\x1B[0m"
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/* Erase characters until the end of the line */
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#define ANSI_ERASE_TO_END_OF_LINE "\x1B[K"
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@@ -176,94 +110,6 @@ static inline bool colors_enabled(void) {
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return get_color_mode() != COLOR_OFF;
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}
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#define DEFINE_ANSI_FUNC(name, NAME) \
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static inline const char *ansi_##name(void) { \
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return colors_enabled() ? ANSI_##NAME : ""; \
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}
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#define DEFINE_ANSI_FUNC_256(name, NAME, FALLBACK) \
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static inline const char *ansi_##name(void) { \
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switch (get_color_mode()) { \
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case COLOR_OFF: return ""; \
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case COLOR_16: return ANSI_##FALLBACK; \
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default : return ANSI_##NAME; \
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} \
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}
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static inline const char* ansi_underline(void) {
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return underline_enabled() ? ANSI_UNDERLINE : "";
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}
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static inline const char* ansi_add_underline(void) {
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return underline_enabled() ? ANSI_ADD_UNDERLINE : "";
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}
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static inline const char* ansi_add_underline_grey(void) {
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return underline_enabled() ?
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(colors_enabled() ? ANSI_ADD_UNDERLINE_GREY : ANSI_ADD_UNDERLINE) : "";
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}
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#define DEFINE_ANSI_FUNC_UNDERLINE(name, NAME) \
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static inline const char *ansi_##name(void) { \
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return underline_enabled() ? ANSI_##NAME##_UNDERLINE : \
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colors_enabled() ? ANSI_##NAME : ""; \
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}
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#define DEFINE_ANSI_FUNC_UNDERLINE_256(name, NAME, FALLBACK) \
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static inline const char *ansi_##name(void) { \
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switch (get_color_mode()) { \
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case COLOR_OFF: return ""; \
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case COLOR_16: return underline_enabled() ? ANSI_##FALLBACK##_UNDERLINE : ANSI_##FALLBACK; \
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default : return underline_enabled() ? ANSI_##NAME##_UNDERLINE: ANSI_##NAME; \
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} \
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}
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DEFINE_ANSI_FUNC(normal, NORMAL);
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DEFINE_ANSI_FUNC(highlight, HIGHLIGHT);
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DEFINE_ANSI_FUNC(black, BLACK);
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DEFINE_ANSI_FUNC(red, RED);
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DEFINE_ANSI_FUNC(green, GREEN);
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DEFINE_ANSI_FUNC(yellow, YELLOW);
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DEFINE_ANSI_FUNC(blue, BLUE);
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DEFINE_ANSI_FUNC(magenta, MAGENTA);
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DEFINE_ANSI_FUNC(cyan, CYAN);
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DEFINE_ANSI_FUNC(white, WHITE);
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DEFINE_ANSI_FUNC_256(grey, GREY, BRIGHT_BLACK);
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DEFINE_ANSI_FUNC(bright_black, BRIGHT_BLACK);
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DEFINE_ANSI_FUNC(bright_red, BRIGHT_RED);
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DEFINE_ANSI_FUNC(bright_green, BRIGHT_GREEN);
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DEFINE_ANSI_FUNC(bright_yellow, BRIGHT_YELLOW);
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DEFINE_ANSI_FUNC(bright_blue, BRIGHT_BLUE);
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DEFINE_ANSI_FUNC(bright_magenta, BRIGHT_MAGENTA);
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DEFINE_ANSI_FUNC(bright_cyan, BRIGHT_CYAN);
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DEFINE_ANSI_FUNC(bright_white, BRIGHT_WHITE);
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DEFINE_ANSI_FUNC(highlight_black, HIGHLIGHT_BLACK);
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DEFINE_ANSI_FUNC(highlight_red, HIGHLIGHT_RED);
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DEFINE_ANSI_FUNC(highlight_green, HIGHLIGHT_GREEN);
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DEFINE_ANSI_FUNC_256(highlight_yellow, HIGHLIGHT_YELLOW, HIGHLIGHT_YELLOW_FALLBACK);
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DEFINE_ANSI_FUNC_256(highlight_yellow4, HIGHLIGHT_YELLOW4, HIGHLIGHT_YELLOW_FALLBACK);
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DEFINE_ANSI_FUNC(highlight_blue, HIGHLIGHT_BLUE);
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DEFINE_ANSI_FUNC(highlight_magenta, HIGHLIGHT_MAGENTA);
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DEFINE_ANSI_FUNC(highlight_cyan, HIGHLIGHT_CYAN);
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DEFINE_ANSI_FUNC_256(highlight_grey, HIGHLIGHT_GREY, HIGHLIGHT_GREY_FALLBACK);
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DEFINE_ANSI_FUNC(highlight_white, HIGHLIGHT_WHITE);
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static inline const char* _ansi_highlight_yellow(void) {
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return colors_enabled() ? _ANSI_HIGHLIGHT_YELLOW : "";
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}
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_underline, HIGHLIGHT);
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DEFINE_ANSI_FUNC_UNDERLINE_256(grey_underline, GREY, BRIGHT_BLACK);
|
||||
DEFINE_ANSI_FUNC_UNDERLINE(highlight_red_underline, HIGHLIGHT_RED);
|
||||
DEFINE_ANSI_FUNC_UNDERLINE(highlight_green_underline, HIGHLIGHT_GREEN);
|
||||
DEFINE_ANSI_FUNC_UNDERLINE_256(highlight_yellow_underline, HIGHLIGHT_YELLOW, HIGHLIGHT_YELLOW_FALLBACK);
|
||||
DEFINE_ANSI_FUNC_UNDERLINE(highlight_blue_underline, HIGHLIGHT_BLUE);
|
||||
DEFINE_ANSI_FUNC_UNDERLINE(highlight_magenta_underline, HIGHLIGHT_MAGENTA);
|
||||
DEFINE_ANSI_FUNC_UNDERLINE_256(highlight_grey_underline, HIGHLIGHT_GREY, HIGHLIGHT_GREY_FALLBACK);
|
||||
|
||||
int get_ctty_devnr(pid_t pid, dev_t *ret);
|
||||
int get_ctty(pid_t, dev_t *ret_devnr, char **ret);
|
||||
|
||||
@@ -281,10 +127,6 @@ int vt_release(int fd, bool restore_vt);
|
||||
|
||||
void get_log_colors(int priority, const char **on, const char **off, const char **highlight);
|
||||
|
||||
static inline const char* ansi_highlight_green_red(bool b) {
|
||||
return b ? ansi_highlight_green() : ansi_highlight_red();
|
||||
}
|
||||
|
||||
/* This assumes there is a 'tty' group */
|
||||
#define TTY_MODE 0620
|
||||
|
||||
|
||||
Reference in New Issue
Block a user