diff: refactor COLOR_DIFF from a flag into an int
[git/git.git] / color.h
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1#ifndef COLOR_H
2#define COLOR_H
3
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4struct strbuf;
5
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6/* 2 + (2 * num_attrs) + 8 + 1 + 8 + 'm' + NUL */
7/* "\033[1;2;4;5;7;38;5;2xx;48;5;2xxm\0" */
8/*
9 * The maximum length of ANSI color sequence we would generate:
10 * - leading ESC '[' 2
11 * - attr + ';' 2 * 8 (e.g. "1;")
12 * - fg color + ';' 9 (e.g. "38;5;2xx;")
13 * - fg color + ';' 9 (e.g. "48;5;2xx;")
14 * - terminating 'm' NUL 2
15 *
16 * The above overcounts attr (we only use 5 not 8) and one semicolon
17 * but it is close enough.
18 */
19#define COLOR_MAXLEN 40
7c92fe0e 20
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21/*
22 * IMPORTANT: Due to the way these color codes are emulated on Windows,
23 * write them only using printf(), fprintf(), and fputs(). In particular,
24 * do not use puts() or write().
25 */
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26#define GIT_COLOR_NORMAL ""
27#define GIT_COLOR_RESET "\033[m"
28#define GIT_COLOR_BOLD "\033[1m"
29#define GIT_COLOR_RED "\033[31m"
30#define GIT_COLOR_GREEN "\033[32m"
31#define GIT_COLOR_YELLOW "\033[33m"
32#define GIT_COLOR_BLUE "\033[34m"
427fc5b8 33#define GIT_COLOR_MAGENTA "\033[35m"
dc6ebd4c 34#define GIT_COLOR_CYAN "\033[36m"
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35#define GIT_COLOR_BOLD_RED "\033[1;31m"
36#define GIT_COLOR_BOLD_GREEN "\033[1;32m"
37#define GIT_COLOR_BOLD_YELLOW "\033[1;33m"
38#define GIT_COLOR_BOLD_BLUE "\033[1;34m"
39#define GIT_COLOR_BOLD_MAGENTA "\033[1;35m"
40#define GIT_COLOR_BOLD_CYAN "\033[1;36m"
dc6ebd4c 41#define GIT_COLOR_BG_RED "\033[41m"
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42#define GIT_COLOR_BG_GREEN "\033[42m"
43#define GIT_COLOR_BG_YELLOW "\033[43m"
44#define GIT_COLOR_BG_BLUE "\033[44m"
45#define GIT_COLOR_BG_MAGENTA "\033[45m"
46#define GIT_COLOR_BG_CYAN "\033[46m"
dc6ebd4c 47
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48/* A special value meaning "no color selected" */
49#define GIT_COLOR_NIL "NIL"
50
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51/*
52 * This variable stores the value of color.ui
53 */
54extern int git_use_color_default;
55
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56/* A default list of colors to use for commit graphs and show-branch output */
57extern const char *column_colors_ansi[];
58extern const int column_colors_ansi_max;
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59
60/*
61 * Use this instead of git_default_config if you need the value of color.ui.
62 */
ef90d6d4 63int git_color_default_config(const char *var, const char *value, void *cb);
6b2f2d98 64
0f6f5a40 65int git_config_colorbool(const char *var, const char *value, int stdout_is_tty);
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66void color_parse(const char *value, const char *var, char *dst);
67void color_parse_mem(const char *value, int len, const char *var, char *dst);
28bea9e5 68__attribute__((format (printf, 3, 4)))
f26a0012 69int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
28bea9e5 70__attribute__((format (printf, 3, 4)))
f26a0012 71int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...);
becbdae8 72void color_print_strbuf(FILE *fp, const char *color, const struct strbuf *sb);
7c92fe0e 73
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74int color_is_nil(const char *color);
75
7c92fe0e 76#endif /* COLOR_H */