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pretty-print: add helper for quickly outputting red/green cross/check marks

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Compound constructors FTW!
This commit is contained in:
Lennart Poettering 2021-11-23 10:37:03 +01:00
parent 98503c6d0c
commit 3131c24bd6
2 changed files with 37 additions and 0 deletions
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23
src/shared/pretty-print.h
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@ -1,6 +1,9 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include "glyph-util.h"
#include "terminal-util.h"
void print_separator(void);
int file_url_from_path(const char *path, char **ret);
@ -17,3 +20,23 @@ typedef enum CatFlags {
int cat_files(const char *file, char **dropins, CatFlags flags);
int conf_files_cat(const char *root, const char *name);
#define RED_CROSS_MARK_MAX (STRLEN(ANSI_HIGHLIGHT_RED) + STRLEN("✗") + STRLEN(ANSI_NORMAL) + 1)
#define GREEN_CHECK_MARK_MAX (STRLEN(ANSI_HIGHLIGHT_GREEN) + STRLEN("✓") + STRLEN(ANSI_NORMAL) + 1)
static inline const char *red_cross_mark_internal(char buffer[static RED_CROSS_MARK_MAX]) {
assert(buffer);
assert_se(stpcpy(stpcpy(stpcpy(buffer, ansi_highlight_red()), special_glyph(SPECIAL_GLYPH_CROSS_MARK)), ansi_normal()) < buffer + RED_CROSS_MARK_MAX);
return buffer;
}
static inline const char *green_check_mark_internal(char buffer[static GREEN_CHECK_MARK_MAX]) {
assert(buffer);
assert_se(stpcpy(stpcpy(stpcpy(buffer, ansi_highlight_green()), special_glyph(SPECIAL_GLYPH_CHECK_MARK)), ansi_normal()) < buffer + GREEN_CHECK_MARK_MAX);
return buffer;
}
#define RED_CROSS_MARK() red_cross_mark_internal((char[RED_CROSS_MARK_MAX]) {})
#define GREEN_CHECK_MARK() green_check_mark_internal((char[GREEN_CHECK_MARK_MAX]) {})
#define COLOR_MARK_BOOL(b) ((b) ? GREEN_CHECK_MARK() : RED_CROSS_MARK())

14
src/test/test-pretty-print.c
View File

@ -31,11 +31,25 @@ static void test_cat_files(void) {
assert_se(cat_files("/etc/fstab", STRV_MAKE("/etc/fstab", "/etc/fstab"), 0) == 0);
}
static void test_red_green_cross_check_mark(void) {
bool b = false;
printf("yeah: <%s>\n", GREEN_CHECK_MARK());
printf("nay: <%s>\n", RED_CROSS_MARK());
printf("%s → %s → %s → %s\n",
COLOR_MARK_BOOL(b),
COLOR_MARK_BOOL(!b),
COLOR_MARK_BOOL(!!b),
COLOR_MARK_BOOL(!!!b));
}
int main(int argc, char *argv[]) {
test_setup_logging(LOG_INFO);
test_terminal_urlify();
test_cat_files();
test_red_green_cross_check_mark();
print_separator();