color.h

   1 #ifndef COLOR_H
   2 #define COLOR_H
   3
   4 struct 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  * This variable stores the value of color.ui
  53  */
  54 extern int git_use_color_default;
  55
  56
  57 /*
  58  * Use this instead of git_default_config if you need the value of color.ui.
  59  */
  60 int git_color_default_config(const char *var, const char *value, void *cb);
  61
  62 int git_config_colorbool(const char *var, const char *value, int stdout_is_tty);
  63 void color_parse(const char *value, const char *var, char *dst);
  64 void color_parse_mem(const char *value, int len, const char *var, char *dst);
  65 __attribute__((format (printf, 3, 4)))
  66 int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
  67 __attribute__((format (printf, 3, 4)))
  68 int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...);
  69 void color_print_strbuf(FILE *fp, const char *color, const struct strbuf *sb);
  70
  71 int color_is_nil(const char *color);
  72
  73 #endif /* COLOR_H */