--  Edition of a files_map buffer.
--  Copyright (C) 2018 Tristan Gingold
--
--  GHDL 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 2, or (at your option) any later
--  version.
--
--  GHDL 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 GHDL; see the file COPYING.  If not, write to the Free
--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
--  02111-1307, USA.

package Files_Map.Editor is
   --  Replace [START; END) by TEXT.  Return True in case of success, False
   --  in case of failure (the gap is too small).
   function Replace_Text (File : Source_File_Entry;
                          Start_Line : Positive;
                          Start_Off  : Natural;
                          End_Line   : Positive;
                          End_Off    : Natural;
                          Text       : File_Buffer) return Boolean;

   --  Likewise, but with pointer + length string.
   function Replace_Text_Ptr (File : Source_File_Entry;
                              Start_Line : Positive;
                              Start_Off  : Natural;
                              End_Line   : Positive;
                              End_Off    : Natural;
                              Text_Ptr   : File_Buffer_Ptr;
                              Text_Len   : Source_Ptr) return Boolean;

   --  Replace the content of FILE with TEXT.
   procedure Fill_Text_Ptr (File : Source_File_Entry;
                            Text_Ptr   : File_Buffer_Ptr;
                            Text_Len   : Source_Ptr);

   --  Copy content of SRC to DEST.  The size of DEST must be large enough.
   --  Clear lines table of DEST.
   procedure Copy_Source_File (Dest : Source_File_Entry;
                               Src : Source_File_Entry);

   --  Recompute lines number.
   procedure Compute_Lines (File : Source_File_Entry);

   --  Check lines of FILE are correct.
   procedure Check_Buffer_Lines (File : Source_File_Entry);

   --  Check that content of FILE is STR[1 .. STR_LEN].
   procedure Check_Buffer_Content (File : Source_File_Entry;
                                   Str : File_Buffer_Ptr;
                                   Str_Len : Source_Ptr);
end Files_Map.Editor;