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(*
This file is part of licht.
licht is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
licht is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with licht. If not, see <http://www.gnu.org/licenses/>.
*)
(** This module represent a sheet *)
type cell = int * int
type t
(** Crate an empty sheet. *)
val create: Functions.C.t -> t
(** Add or update the sheet.
The expression is added at given position.
@return A set containing all updated cells. *)
val add: history:bool -> Expression.t -> cell -> t -> Cell.Set.t
(** Undo the last action and return true if something has been undone *)
val undo: t -> bool
(** Delete the content of selected cells.
@return The sheet and the number of cells deleted
*)
val delete: Selection.t -> t -> int
(** Copy the selected cells
@return The sheet and the number of cells deleted
*)
val yank: Selection.t -> t -> int
(** Paste all the selection at the given position. *)
val paste: cell -> t -> int
(** Fold over all the defined values *)
val fold: ('a -> cell -> (Expression.t * ScTypes.Result.t) -> 'a) -> 'a -> t -> 'a
(** Get the content from a cell.
Also return all the other cell pointing to it.
*)
val get_cell: cell -> t -> Expression.t * ScTypes.Result.t option * Cell.Set.t
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