diff: don't load color config in plumbing
[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 * The first three are chosen to match common usage in the code, and what is
53 * returned from git_config_colorbool. The "auto" value can be returned from
54 * config_colorbool, and will be converted by want_color() into either 0 or 1.
55 */
56#define GIT_COLOR_UNKNOWN -1
57#define GIT_COLOR_NEVER 0
58#define GIT_COLOR_ALWAYS 1
59#define GIT_COLOR_AUTO 2
60
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61/*
62 * This variable stores the value of color.ui
63 */
64extern int git_use_color_default;
65
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66/* A default list of colors to use for commit graphs and show-branch output */
67extern const char *column_colors_ansi[];
68extern const int column_colors_ansi_max;
6b2f2d98 69
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70/*
71 * Generally the color code will lazily figure this out itself, but
72 * this provides a mechanism for callers to override autodetection.
73 */
74extern int color_stdout_is_tty;
75
6b2f2d98 76/*
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77 * Use the first one if you need only color config; the second is a convenience
78 * if you are just going to change to git_default_config, too.
6b2f2d98 79 */
3e1dd17a 80int git_color_config(const char *var, const char *value, void *cb);
ef90d6d4 81int git_color_default_config(const char *var, const char *value, void *cb);
6b2f2d98 82
e269eb79 83int git_config_colorbool(const char *var, const char *value);
daa0c3d9 84int want_color(int var);
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85void color_parse(const char *value, const char *var, char *dst);
86void color_parse_mem(const char *value, int len, const char *var, char *dst);
28bea9e5 87__attribute__((format (printf, 3, 4)))
f26a0012 88int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
28bea9e5 89__attribute__((format (printf, 3, 4)))
f26a0012 90int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...);
becbdae8 91void color_print_strbuf(FILE *fp, const char *color, const struct strbuf *sb);
7c92fe0e 92
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93int color_is_nil(const char *color);
94
7c92fe0e 95#endif /* COLOR_H */