git-commit-vandalism/color.h
Junio C Hamano 0476228de5 Merge branch 'jc/color-attrs' into maint
* jc/color-attrs:
  color: allow multiple attributes
2010-03-24 16:24:13 -07:00

56 lines
1.8 KiB
C

#ifndef COLOR_H
#define COLOR_H
/* 2 + (2 * num_attrs) + 8 + 1 + 8 + 'm' + NUL */
/* "\033[1;2;4;5;7;38;5;2xx;48;5;2xxm\0" */
/*
* The maximum length of ANSI color sequence we would generate:
* - leading ESC '[' 2
* - attr + ';' 2 * 8 (e.g. "1;")
* - fg color + ';' 9 (e.g. "38;5;2xx;")
* - fg color + ';' 9 (e.g. "48;5;2xx;")
* - terminating 'm' NUL 2
*
* The above overcounts attr (we only use 5 not 8) and one semicolon
* but it is close enough.
*/
#define COLOR_MAXLEN 40
/*
* IMPORTANT: Due to the way these color codes are emulated on Windows,
* write them only using printf(), fprintf(), and fputs(). In particular,
* do not use puts() or write().
*/
#define GIT_COLOR_NORMAL ""
#define GIT_COLOR_RESET "\033[m"
#define GIT_COLOR_BOLD "\033[1m"
#define GIT_COLOR_RED "\033[31m"
#define GIT_COLOR_GREEN "\033[32m"
#define GIT_COLOR_YELLOW "\033[33m"
#define GIT_COLOR_BLUE "\033[34m"
#define GIT_COLOR_MAGENTA "\033[35m"
#define GIT_COLOR_CYAN "\033[36m"
#define GIT_COLOR_BG_RED "\033[41m"
/*
* This variable stores the value of color.ui
*/
extern int git_use_color_default;
/*
* Use this instead of git_default_config if you need the value of color.ui.
*/
int git_color_default_config(const char *var, const char *value, void *cb);
int git_config_colorbool(const char *var, const char *value, int stdout_is_tty);
void color_parse(const char *value, const char *var, char *dst);
void color_parse_mem(const char *value, int len, const char *var, char *dst);
__attribute__((format (printf, 3, 4)))
int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
__attribute__((format (printf, 3, 4)))
int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...);
int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *buf);
#endif /* COLOR_H */