1#ifndef COLOR_H 2#define COLOR_H 3 4struct strbuf; 5 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 20 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 */ 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" 33#define GIT_COLOR_MAGENTA "\033[35m" 34#define GIT_COLOR_CYAN "\033[36m" 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" 41#define GIT_COLOR_BG_RED "\033[41m" 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" 47 48/* A special value meaning "no color selected" */ 49#define GIT_COLOR_NIL "NIL" 50 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 61/* 62 * This variable stores the value of color.ui 63 */ 64extern int git_use_color_default; 65 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; 69 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 76/* 77 * Use this instead of git_default_config if you need the value of color.ui. 78 */ 79int git_color_default_config(const char *var, const char *value, void *cb); 80 81int git_config_colorbool(const char *var, const char *value); 82int want_color(int var); 83void color_parse(const char *value, const char *var, char *dst); 84void color_parse_mem(const char *value, int len, const char *var, char *dst); 85__attribute__((format (printf, 3, 4))) 86int color_fprintf(FILE *fp, const char *color, const char *fmt, ...); 87__attribute__((format (printf, 3, 4))) 88int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...); 89void color_print_strbuf(FILE *fp, const char *color, const struct strbuf *sb); 90 91int color_is_nil(const char *color); 92 93#endif /* COLOR_H */