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-------------------------------------------------------------------------------
--- --
--- GNAT ncurses Binding --
--- --
--- Terminal_Interface.Curses.Termcap --
--- --
--- B O D Y --
--- --
-------------------------------------------------------------------------------
--- Copyright (c) 2000-2006,2009 Free Software Foundation, Inc. --
--- --
--- Permission is hereby granted, free of charge, to any person obtaining a --
--- copy of this software and associated documentation files (the --
--- "Software"), to deal in the Software without restriction, including --
--- without limitation the rights to use, copy, modify, merge, publish, --
--- distribute, distribute with modifications, sublicense, and/or sell --
--- copies of the Software, and to permit persons to whom the Software is --
--- furnished to do so, subject to the following conditions: --
--- --
--- The above copyright notice and this permission notice shall be included --
--- in all copies or substantial portions of the Software. --
--- --
--- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
--- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
--- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --
--- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --
--- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --
--- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --
--- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --
--- --
--- Except as contained in this notice, the name(s) of the above copyright --
--- holders shall not be used in advertising or otherwise to promote the --
--- sale, use or other dealings in this Software without prior written --
--- authorization. --
-------------------------------------------------------------------------------
--- Author: Juergen Pfeifer, 1996
--- Version Control:
--- $Revision: 1.12 $
--- $Date: 2009/12/26 17:38:58 $
--- Binding Version 01.00
-------------------------------------------------------------------------------
-
-with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
-with Interfaces.C; use Interfaces.C;
-with Interfaces.C.Strings; use Interfaces.C.Strings;
-
-package body Terminal_Interface.Curses.Termcap is
-
- function Get_Entry (Name : String) return Boolean
- is
- function tgetent (name : char_array; val : char_array)
- return C_Int;
- pragma Import (C, tgetent, "tgetent");
- NameTxt : char_array (0 .. Name'Length);
- Length : size_t;
- ignored : constant char_array (0 .. 0) := (0 => nul);
- result : C_Int;
- begin
- To_C (Name, NameTxt, Length);
- result := tgetent (char_array (ignored), NameTxt);
- if result = -1 then
- raise Curses_Exception;
- else
- return Boolean'Val (result);
- end if;
- end Get_Entry;
-
-------------------------------------------------------------------------------
- function Get_Flag (Name : String) return Boolean
- is
- function tgetflag (id : char_array) return C_Int;
- pragma Import (C, tgetflag, "tgetflag");
- Txt : char_array (0 .. Name'Length);
- Length : size_t;
- begin
- To_C (Name, Txt, Length);
- if tgetflag (Txt) = 0 then
- return False;
- else
- return True;
- end if;
- end Get_Flag;
-
-------------------------------------------------------------------------------
- procedure Get_Number (Name : String;
- Value : out Integer;
- Result : out Boolean)
- is
- function tgetnum (id : char_array) return C_Int;
- pragma Import (C, tgetnum, "tgetnum");
- Txt : char_array (0 .. Name'Length);
- Length : size_t;
- begin
- To_C (Name, Txt, Length);
- Value := Integer (tgetnum (Txt));
- if Value = -1 then
- Result := False;
- else
- Result := True;
- end if;
- end Get_Number;
-
-------------------------------------------------------------------------------
- procedure Get_String (Name : String;
- Value : out String;
- Result : out Boolean)
- is
- function tgetstr (id : char_array;
- buf : char_array) return chars_ptr;
- pragma Import (C, tgetstr, "tgetstr");
- Txt : char_array (0 .. Name'Length);
- Length : size_t;
- Txt2 : chars_ptr;
- type t is new char_array (0 .. 1024); -- does it need to be 1024?
- Return_Buffer : constant t := (others => nul);
- begin
- To_C (Name, Txt, Length);
- Txt2 := tgetstr (Txt, char_array (Return_Buffer));
- if Txt2 = Null_Ptr then
- Result := False;
- else
- Value := Fill_String (Txt2);
- Result := True;
- end if;
- end Get_String;
-
- function Get_String (Name : String) return Boolean
- is
- function tgetstr (Id : char_array;
- buf : char_array) return chars_ptr;
- pragma Import (C, tgetstr, "tgetstr");
- Txt : char_array (0 .. Name'Length);
- Length : size_t;
- Txt2 : chars_ptr;
- type t is new char_array (0 .. 1024); -- does it need to be 1024?
- Phony_Txt : constant t := (others => nul);
- begin
- To_C (Name, Txt, Length);
- Txt2 := tgetstr (Txt, char_array (Phony_Txt));
- if Txt2 = Null_Ptr then
- return False;
- else
- return True;
- end if;
- end Get_String;
-
-------------------------------------------------------------------------------
- function TGoto (Cap : String;
- Col : Column_Position;
- Row : Line_Position) return Termcap_String is
- function tgoto (cap : char_array;
- col : C_Int;
- row : C_Int) return chars_ptr;
- pragma Import (C, tgoto);
- Txt : char_array (0 .. Cap'Length);
- Length : size_t;
- begin
- To_C (Cap, Txt, Length);
- return Termcap_String (Fill_String
- (tgoto (Txt, C_Int (Col), C_Int (Row))));
- end TGoto;
-
-end Terminal_Interface.Curses.Termcap;