#ifndef COLOR_H
#define COLOR_H
-/* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */
-#define COLOR_MAXLEN 24
+struct strbuf;
+/* 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_BLUE "\033[34m"
#define GIT_COLOR_MAGENTA "\033[35m"
#define GIT_COLOR_CYAN "\033[36m"
+#define GIT_COLOR_BOLD_RED "\033[1;31m"
+#define GIT_COLOR_BOLD_GREEN "\033[1;32m"
+#define GIT_COLOR_BOLD_YELLOW "\033[1;33m"
+#define GIT_COLOR_BOLD_BLUE "\033[1;34m"
+#define GIT_COLOR_BOLD_MAGENTA "\033[1;35m"
+#define GIT_COLOR_BOLD_CYAN "\033[1;36m"
#define GIT_COLOR_BG_RED "\033[41m"
+#define GIT_COLOR_BG_GREEN "\033[42m"
+#define GIT_COLOR_BG_YELLOW "\033[43m"
+#define GIT_COLOR_BG_BLUE "\033[44m"
+#define GIT_COLOR_BG_MAGENTA "\033[45m"
+#define GIT_COLOR_BG_CYAN "\033[46m"
+
+/* A special value meaning "no color selected" */
+#define GIT_COLOR_NIL "NIL"
/*
- * This variable stores the value of color.ui
+ * The first three are chosen to match common usage in the code, and what is
+ * returned from git_config_colorbool. The "auto" value can be returned from
+ * config_colorbool, and will be converted by want_color() into either 0 or 1.
*/
-extern int git_use_color_default;
+#define GIT_COLOR_UNKNOWN -1
+#define GIT_COLOR_NEVER 0
+#define GIT_COLOR_ALWAYS 1
+#define GIT_COLOR_AUTO 2
+/* A default list of colors to use for commit graphs and show-branch output */
+extern const char *column_colors_ansi[];
+extern const int column_colors_ansi_max;
/*
- * Use this instead of git_default_config if you need the value of color.ui.
+ * Generally the color code will lazily figure this out itself, but
+ * this provides a mechanism for callers to override autodetection.
*/
+extern int color_stdout_is_tty;
+
+/*
+ * Use the first one if you need only color config; the second is a convenience
+ * if you are just going to change to git_default_config, too.
+ */
+int git_color_config(const char *var, const char *value, void *cb);
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);
+int git_config_colorbool(const char *var, const char *value);
+int want_color(int var);
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);
+void color_print_strbuf(FILE *fp, const char *color, const struct strbuf *sb);
+
+int color_is_nil(const char *color);
#endif /* COLOR_H */