+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT RUNTIME COMPONENTS --
--- --
--- A D A . T E X T _ I O . C O M P L E X _ A U X --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.2 $
--- --
--- Copyright (C) 1992,1993,1994,1995,1996 Free Software Foundation, Inc. --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT 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 distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-with Ada.Text_IO.Generic_Aux; use Ada.Text_IO.Generic_Aux;
-with Ada.Text_IO.Float_Aux;
-
-with System.Img_Real; use System.Img_Real;
-
-package body Ada.Text_IO.Complex_Aux is
-
- package Aux renames Ada.Text_IO.Float_Aux;
-
- ---------
- -- Get --
- ---------
-
- procedure Get
- (File : in File_Type;
- ItemR : out Long_Long_Float;
- ItemI : out Long_Long_Float;
- Width : Field)
- is
- Buf : String (1 .. Field'Last);
- Stop : Integer := 0;
- Ptr : aliased Integer;
- Paren : Boolean := False;
-
- begin
- -- General note for following code, exceptions from the calls to
- -- Get for components of the complex value are propagated.
-
- if Width /= 0 then
- Load_Width (File, Width, Buf, Stop);
- Gets (Buf (1 .. Stop), ItemR, ItemI, Ptr);
-
- for J in Ptr + 1 .. Stop loop
- if not Is_Blank (Buf (J)) then
- raise Data_Error;
- end if;
- end loop;
-
- -- Case of width = 0
-
- else
- Load_Skip (File);
- Ptr := 0;
- Load (File, Buf, Ptr, '(', Paren);
- Aux.Get (File, ItemR, 0);
- Load_Skip (File);
- Load (File, Buf, Ptr, ',');
- Aux.Get (File, ItemI, 0);
-
- if Paren then
- Load_Skip (File);
- Load (File, Buf, Ptr, ')', Paren);
-
- if not Paren then
- raise Data_Error;
- end if;
- end if;
- end if;
- end Get;
-
- ----------
- -- Gets --
- ----------
-
- procedure Gets
- (From : in String;
- ItemR : out Long_Long_Float;
- ItemI : out Long_Long_Float;
- Last : out Positive)
- is
- Paren : Boolean;
- Pos : Integer;
-
- begin
- String_Skip (From, Pos);
-
- if From (Pos) = '(' then
- Pos := Pos + 1;
- Paren := True;
- else
- Paren := False;
- end if;
-
- Aux.Gets (From (Pos .. From'Last), ItemR, Pos);
-
- String_Skip (From (Pos + 1 .. From'Last), Pos);
-
- if From (Pos) = ',' then
- Pos := Pos + 1;
- end if;
-
- Aux.Gets (From (Pos .. From'Last), ItemI, Pos);
-
- if Paren then
- String_Skip (From (Pos + 1 .. From'Last), Pos);
-
- if From (Pos) /= ')' then
- raise Data_Error;
- end if;
- end if;
-
- Last := Pos;
- end Gets;
-
- ---------
- -- Put --
- ---------
-
- procedure Put
- (File : File_Type;
- ItemR : Long_Long_Float;
- ItemI : Long_Long_Float;
- Fore : Field;
- Aft : Field;
- Exp : Field)
- is
- begin
- Put (File, '(');
- Aux.Put (File, ItemR, Fore, Aft, Exp);
- Put (File, ',');
- Aux.Put (File, ItemI, Fore, Aft, Exp);
- Put (File, ')');
- end Put;
-
- ----------
- -- Puts --
- ----------
-
- procedure Puts
- (To : out String;
- ItemR : Long_Long_Float;
- ItemI : Long_Long_Float;
- Aft : in Field;
- Exp : in Field)
- is
- I_String : String (1 .. 3 * Field'Last);
- R_String : String (1 .. 3 * Field'Last);
-
- Iptr : Natural;
- Rptr : Natural;
-
- begin
- -- Both parts are initially converted with a Fore of 0
-
- Rptr := 0;
- Set_Image_Real (ItemR, R_String, Rptr, 0, Aft, Exp);
- Iptr := 0;
- Set_Image_Real (ItemI, I_String, Iptr, 0, Aft, Exp);
-
- -- Check room for both parts plus parens plus comma (RM G.1.3(34))
-
- if Rptr + Iptr + 3 > To'Length then
- raise Layout_Error;
- end if;
-
- -- If there is room, layout result according to (RM G.1.3(31-33))
-
- To (To'First) := '(';
- To (To'First + 1 .. To'First + Rptr) := R_String (1 .. Rptr);
- To (To'First + Rptr + 1) := ',';
-
- To (To'Last) := ')';
- To (To'Last - Iptr .. To'Last - 1) := I_String (1 .. Iptr);
-
- for J in To'First + Rptr + 2 .. To'Last - Iptr - 1 loop
- To (J) := ' ';
- end loop;
-
- end Puts;
-
-end Ada.Text_IO.Complex_Aux;
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