1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
5 -- A D A . W I D E _ W I D E _ T E X T _ I O . C O M P L E X _ A U X --
9 -- Copyright (C) 1992-2005 Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 with Ada
.Wide_Wide_Text_IO
.Generic_Aux
; use Ada
.Wide_Wide_Text_IO
.Generic_Aux
;
35 with Ada
.Wide_Wide_Text_IO
.Float_Aux
;
37 with System
.Img_Real
; use System
.Img_Real
;
39 package body Ada
.Wide_Wide_Text_IO
.Complex_Aux
is
41 package Aux
renames Ada
.Wide_Wide_Text_IO
.Float_Aux
;
49 ItemR
: out Long_Long_Float;
50 ItemI
: out Long_Long_Float;
53 Buf
: String (1 .. Field
'Last);
55 Ptr
: aliased Integer;
56 Paren
: Boolean := False;
59 -- General note for following code, exceptions from the calls
60 -- to Get for components of the complex value are propagated.
63 Load_Width
(File
, Width
, Buf
, Stop
);
64 Gets
(Buf
(1 .. Stop
), ItemR
, ItemI
, Ptr
);
66 for J
in Ptr
+ 1 .. Stop
loop
67 if not Is_Blank
(Buf
(J
)) then
77 Load
(File
, Buf
, Ptr
, '(', Paren
);
78 Aux
.Get
(File
, ItemR
, 0);
80 Load
(File
, Buf
, Ptr
, ',');
81 Aux
.Get
(File
, ItemI
, 0);
85 Load
(File
, Buf
, Ptr
, ')', Paren
);
100 ItemR
: out Long_Long_Float;
101 ItemI
: out Long_Long_Float;
108 String_Skip
(From
, Pos
);
110 if From
(Pos
) = '(' then
117 Aux
.Gets
(From
(Pos
.. From
'Last), ItemR
, Pos
);
119 String_Skip
(From
(Pos
+ 1 .. From
'Last), Pos
);
121 if From
(Pos
) = ',' then
125 Aux
.Gets
(From
(Pos
.. From
'Last), ItemI
, Pos
);
128 String_Skip
(From
(Pos
+ 1 .. From
'Last), Pos
);
130 if From
(Pos
) /= ')' then
144 ItemR
: Long_Long_Float;
145 ItemI
: Long_Long_Float;
152 Aux
.Put
(File
, ItemR
, Fore
, Aft
, Exp
);
154 Aux
.Put
(File
, ItemI
, Fore
, Aft
, Exp
);
164 ItemR
: Long_Long_Float;
165 ItemI
: Long_Long_Float;
169 I_String
: String (1 .. 3 * Field
'Last);
170 R_String
: String (1 .. 3 * Field
'Last);
176 -- Both parts are initially converted with a Fore of 0
179 Set_Image_Real
(ItemR
, R_String
, Rptr
, 0, Aft
, Exp
);
181 Set_Image_Real
(ItemI
, I_String
, Iptr
, 0, Aft
, Exp
);
183 -- Check room for both parts plus parens plus comma (RM G.1.3(34))
185 if Rptr
+ Iptr
+ 3 > To
'Length then
189 -- If there is room, layout result according to (RM G.1.3(31-33))
191 To
(To
'First) := '(';
192 To
(To
'First + 1 .. To
'First + Rptr
) := R_String
(1 .. Rptr
);
193 To
(To
'First + Rptr
+ 1) := ',';
198 To
(To
'Last - Iptr
.. To
'Last - 1) := I_String
(1 .. Iptr
);
200 for J
in To
'First + Rptr
+ 2 .. To
'Last - Iptr
- 1 loop
205 end Ada
.Wide_Wide_Text_IO
.Complex_Aux
;