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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
type color = [
`DEFAULT
| `BLACK
| `RED
| `GREEN
| `YELLOW
| `BLUE
| `MAGENTA
| `CYAN
| `WHITE
| `LIGHT_BLACK
| `LIGHT_RED
| `LIGHT_GREEN
| `LIGHT_YELLOW
| `LIGHT_BLUE
| `LIGHT_MAGENTA
| `LIGHT_CYAN
| `LIGHT_WHITE
| `INDEX of int
| `RGB of (int * int * int)
]
type style = {
fg_color : color option;
bg_color : color option;
bold : bool option;
italic : bool option;
underline : bool option;
negative : bool option;
prefix : string option;
suffix : string option;
}
val make : ?fg_color:color -> ?bg_color:color ->
?bold:bool -> ?italic:bool -> ?underline:bool ->
?negative:bool -> ?style:style ->
?prefix:string -> ?suffix:string -> unit -> style
(** Create a style from the given flags. It is derived from the optional
[style] argument if given. *)
val merge : style -> style -> style
(** [merge s1 s2] returns [s1] with all defined values of [s2] overwritten. *)
val diff : style -> style -> style
(** [diff s1 s2] returns the differences between [s1] and [s2]. *)
val repr : style -> int list
(** Generate the ANSI code representing the given style. *)
val eval : style -> string
(** Generate an escape sequence from a style. *)
val reset : string
(** This escape sequence resets all attributes. *)
val reset_style : style
(** The default style *)
val has_style : Unix.file_descr -> bool
(** Whether an output file descriptor handles styles. Very heuristic, only
checks it is a terminal. *)
val parse : string -> (string * style) list
(** Parse strings describing terminal styles in the LS_COLORS syntax. For
robustness, ignore meaningless entries and drops undefined styles. *)
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