color.hon commit Merge branch 'mg/diff-uiconfig-doc' into maint (5f8937d)
   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 * This variable stores the value of color.ui
  53 */
  54extern 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 */
  60int git_color_default_config(const char *var, const char *value, void *cb);
  61
  62int git_config_colorbool(const char *var, const char *value, int stdout_is_tty);
  63void color_parse(const char *value, const char *var, char *dst);
  64void color_parse_mem(const char *value, int len, const char *var, char *dst);
  65__attribute__((format (printf, 3, 4)))
  66int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
  67__attribute__((format (printf, 3, 4)))
  68int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...);
  69void color_print_strbuf(FILE *fp, const char *color, const struct strbuf *sb);
  70
  71int color_is_nil(const char *color);
  72
  73#endif /* COLOR_H */