| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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; |
