1#ifndef COLOR_H 2#define COLOR_H 3 4struct strbuf; 5 6/* 7 * The maximum length of ANSI color sequence we would generate: 8 * - leading ESC '[' 2 9 * - attr + ';' 2 * num_attr (e.g. "1;") 10 * - no-attr + ';' 3 * num_attr (e.g. "22;") 11 * - fg color + ';' 17 (e.g. "38;2;255;255;255;") 12 * - bg color + ';' 17 (e.g. "48;2;255;255;255;") 13 * - terminating 'm' NUL 2 14 * 15 * The above overcounts by one semicolon but it is close enough. 16 * 17 * The space for attributes is also slightly overallocated, as 18 * the negation for some attributes is the same (e.g., nobold and nodim). 19 * 20 * We allocate space for 6 attributes. 21 */ 22#define COLOR_MAXLEN 70 23 24/* 25 * IMPORTANT: Due to the way these color codes are emulated on Windows, 26 * write them only using printf(), fprintf(), and fputs(). In particular, 27 * do not use puts() or write(). 28 */ 29#define GIT_COLOR_NORMAL "" 30#define GIT_COLOR_RESET "\033[m" 31#define GIT_COLOR_BOLD "\033[1m" 32#define GIT_COLOR_RED "\033[31m" 33#define GIT_COLOR_GREEN "\033[32m" 34#define GIT_COLOR_YELLOW "\033[33m" 35#define GIT_COLOR_BLUE "\033[34m" 36#define GIT_COLOR_MAGENTA "\033[35m" 37#define GIT_COLOR_CYAN "\033[36m" 38#define GIT_COLOR_BOLD_RED "\033[1;31m" 39#define GIT_COLOR_BOLD_GREEN "\033[1;32m" 40#define GIT_COLOR_BOLD_YELLOW "\033[1;33m" 41#define GIT_COLOR_BOLD_BLUE "\033[1;34m" 42#define GIT_COLOR_BOLD_MAGENTA "\033[1;35m" 43#define GIT_COLOR_BOLD_CYAN "\033[1;36m" 44#define GIT_COLOR_BG_RED "\033[41m" 45#define GIT_COLOR_BG_GREEN "\033[42m" 46#define GIT_COLOR_BG_YELLOW "\033[43m" 47#define GIT_COLOR_BG_BLUE "\033[44m" 48#define GIT_COLOR_BG_MAGENTA "\033[45m" 49#define GIT_COLOR_BG_CYAN "\033[46m" 50 51/* A special value meaning "no color selected" */ 52#define GIT_COLOR_NIL "NIL" 53 54/* 55 * The first three are chosen to match common usage in the code, and what is 56 * returned from git_config_colorbool. The "auto" value can be returned from 57 * config_colorbool, and will be converted by want_color() into either 0 or 1. 58 */ 59#define GIT_COLOR_UNKNOWN -1 60#define GIT_COLOR_NEVER 0 61#define GIT_COLOR_ALWAYS 1 62#define GIT_COLOR_AUTO 2 63 64/* A default list of colors to use for commit graphs and show-branch output */ 65extern const char *column_colors_ansi[]; 66extern const int column_colors_ansi_max; 67 68/* 69 * Generally the color code will lazily figure this out itself, but 70 * this provides a mechanism for callers to override autodetection. 71 */ 72extern int color_stdout_is_tty; 73 74/* 75 * Use the first one if you need only color config; the second is a convenience 76 * if you are just going to change to git_default_config, too. 77 */ 78int git_color_config(const char *var, const char *value, void *cb); 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); 83int color_parse(const char *value, char *dst); 84int color_parse_mem(const char *value, int len, 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 */