0ae9f22fde
2006-02-13 Robert Dewar <dewar@adacore.com> * s-gloloc-mingw.adb, a-cgaaso.ads, a-stzmap.adb, a-stzmap.adb, a-stzmap.ads, a-ztcoio.adb, a-ztedit.adb, a-ztedit.ads, a-ztenau.adb, a-ztenau.ads, a-colien.adb, a-colien.ads, a-colire.adb, a-colire.ads, a-comlin.adb, a-decima.adb, a-decima.ads, a-direio.adb, a-direio.adb, a-direio.adb, a-direio.ads, a-ngcoty.adb, a-ngcoty.ads, a-nuflra.adb, a-nuflra.ads, a-sequio.adb, a-sequio.ads, a-sequio.ads, a-storio.ads, a-stream.ads, a-ststio.adb, a-ststio.adb, a-ststio.ads, a-ststio.ads, a-stwima.adb, a-stwima.adb, a-stwima.ads, a-stwise.adb, a-teioed.adb, a-teioed.ads, a-ticoau.adb, a-ticoau.ads, a-ticoio.adb, a-tasatt.ads, a-tideau.adb, a-tideau.ads, a-tideio.adb, a-tideio.ads, a-tienau.adb, a-tienau.ads, a-tienio.adb, a-tienio.ads, a-tifiio.ads, a-tiflau.adb, a-tiflau.ads, a-tiflio.adb, a-tiflio.adb, a-tiflio.ads, a-tigeau.ads, a-tiinau.adb, a-tiinau.ads, a-tiinio.adb, a-tiinio.ads, a-timoio.adb, a-timoio.ads, a-titest.adb, a-titest.ads, a-wtcoio.adb, a-wtdeau.adb, a-wtdeau.ads, a-wtdeio.adb, a-wtdeio.ads, a-wtedit.adb, a-wtedit.adb, a-wtedit.ads, a-wtenau.adb, a-wtenau.ads, a-wtenau.ads, a-wtenio.adb, a-wtenio.ads, a-wtfiio.adb, a-wtfiio.ads, a-wtflau.adb, a-wtflau.ads, a-wtflio.adb, a-wtflio.adb, a-wtflio.ads, a-wtgeau.ads, a-wtinau.adb, a-wtinau.ads, a-wtinio.adb, a-wtinio.ads, a-wtmoau.adb, a-wtmoau.ads, a-wtmoio.adb, a-wtmoio.ads, xref_lib.adb, xref_lib.ads, xr_tabls.adb, g-boubuf.adb, g-boubuf.ads, g-cgideb.adb, g-io.adb, gnatdll.adb, g-pehage.adb, i-c.ads, g-spitbo.adb, g-spitbo.ads, mdll.adb, mlib-fil.adb, mlib-utl.adb, mlib-utl.ads, prj-env.adb, prj-tree.adb, prj-tree.ads, prj-util.adb, s-arit64.adb, s-asthan.ads, s-auxdec.adb, s-auxdec.ads, s-chepoo.ads, s-direio.adb, s-direio.ads, s-errrep.adb, s-errrep.ads, s-fileio.adb, s-fileio.ads, s-finroo.adb, s-finroo.ads, s-gloloc.adb, s-gloloc.ads, s-io.adb, s-io.ads, s-rpc.adb, s-rpc.ads, s-shasto.ads, s-sequio.adb, s-stopoo.ads, s-stratt.adb, s-stratt.ads, s-taasde.adb, s-taasde.ads, s-tadert.adb, s-sequio.ads, s-taskin.adb, s-tasque.adb, s-tasque.ads, s-wchjis.ads, makegpr.adb, a-coinve.adb, a-cidlli.adb, eval_fat.adb, exp_dist.ads, exp_smem.adb, fmap.adb, g-dyntab.ads, g-expect.adb, lib-xref.ads, osint.adb, par-load.adb, restrict.adb, sinput-c.ads, a-cdlili.adb, system-vms.ads, system-vms-zcx.ads, system-vms_64.ads: Minor reformatting. From-SVN: r111023
261 lines
7.3 KiB
Ada
261 lines
7.3 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- A D A . W I D E _ T E X T _ I O . D E C I M A L _ A U X --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1992-2006, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with Ada.Wide_Text_IO.Generic_Aux; use Ada.Wide_Text_IO.Generic_Aux;
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with Ada.Wide_Text_IO.Float_Aux; use Ada.Wide_Text_IO.Float_Aux;
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with System.Img_Dec; use System.Img_Dec;
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with System.Img_LLD; use System.Img_LLD;
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with System.Val_Dec; use System.Val_Dec;
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with System.Val_LLD; use System.Val_LLD;
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package body Ada.Wide_Text_IO.Decimal_Aux is
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-------------
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-- Get_Dec --
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-------------
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function Get_Dec
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(File : File_Type;
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Width : Field;
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Scale : Integer) return Integer
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is
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Buf : String (1 .. Field'Last);
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Ptr : aliased Integer;
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Stop : Integer := 0;
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Item : Integer;
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begin
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if Width /= 0 then
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Load_Width (File, Width, Buf, Stop);
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String_Skip (Buf, Ptr);
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else
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Load_Real (File, Buf, Stop);
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Ptr := 1;
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end if;
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Item := Scan_Decimal (Buf, Ptr'Access, Stop, Scale);
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Check_End_Of_Field (Buf, Stop, Ptr, Width);
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return Item;
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end Get_Dec;
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-------------
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-- Get_LLD --
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-------------
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function Get_LLD
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(File : File_Type;
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Width : Field;
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Scale : Integer) return Long_Long_Integer
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is
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Buf : String (1 .. Field'Last);
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Ptr : aliased Integer;
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Stop : Integer := 0;
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Item : Long_Long_Integer;
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begin
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if Width /= 0 then
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Load_Width (File, Width, Buf, Stop);
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String_Skip (Buf, Ptr);
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else
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Load_Real (File, Buf, Stop);
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Ptr := 1;
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end if;
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Item := Scan_Long_Long_Decimal (Buf, Ptr'Access, Stop, Scale);
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Check_End_Of_Field (Buf, Stop, Ptr, Width);
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return Item;
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end Get_LLD;
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--------------
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-- Gets_Dec --
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--------------
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function Gets_Dec
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(From : String;
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Last : access Positive;
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Scale : Integer) return Integer
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is
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Pos : aliased Integer;
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Item : Integer;
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begin
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String_Skip (From, Pos);
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Item := Scan_Decimal (From, Pos'Access, From'Last, Scale);
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Last.all := Pos - 1;
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return Item;
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exception
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when Constraint_Error =>
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Last.all := Pos - 1;
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raise Data_Error;
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end Gets_Dec;
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--------------
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-- Gets_LLD --
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--------------
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function Gets_LLD
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(From : String;
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Last : access Positive;
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Scale : Integer) return Long_Long_Integer
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is
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Pos : aliased Integer;
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Item : Long_Long_Integer;
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begin
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String_Skip (From, Pos);
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Item := Scan_Long_Long_Decimal (From, Pos'Access, From'Last, Scale);
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Last.all := Pos - 1;
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return Item;
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exception
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when Constraint_Error =>
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Last.all := Pos - 1;
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raise Data_Error;
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end Gets_LLD;
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-------------
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-- Put_Dec --
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-------------
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procedure Put_Dec
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(File : File_Type;
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Item : Integer;
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Fore : Field;
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Aft : Field;
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Exp : Field;
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Scale : Integer)
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is
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Buf : String (1 .. Field'Last);
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Ptr : Natural := 0;
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begin
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Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
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Put_Item (File, Buf (1 .. Ptr));
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end Put_Dec;
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-------------
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-- Put_LLD --
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-------------
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procedure Put_LLD
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(File : File_Type;
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Item : Long_Long_Integer;
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Fore : Field;
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Aft : Field;
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Exp : Field;
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Scale : Integer)
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is
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Buf : String (1 .. Field'Last);
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Ptr : Natural := 0;
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begin
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Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
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Put_Item (File, Buf (1 .. Ptr));
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end Put_LLD;
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--------------
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-- Puts_Dec --
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--------------
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procedure Puts_Dec
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(To : out String;
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Item : Integer;
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Aft : Field;
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Exp : Field;
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Scale : Integer)
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is
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Buf : String (1 .. Field'Last);
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Fore : Integer;
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Ptr : Natural := 0;
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begin
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if Exp = 0 then
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Fore := To'Length - 1 - Aft;
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else
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Fore := To'Length - 2 - Aft - Exp;
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end if;
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if Fore < 1 then
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raise Layout_Error;
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end if;
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Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
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if Ptr > To'Length then
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raise Layout_Error;
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else
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To := Buf (1 .. Ptr);
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end if;
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end Puts_Dec;
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--------------
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-- Puts_Dec --
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--------------
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procedure Puts_LLD
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(To : out String;
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Item : Long_Long_Integer;
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Aft : Field;
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Exp : Field;
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Scale : Integer)
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is
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Buf : String (1 .. Field'Last);
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Fore : Integer;
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Ptr : Natural := 0;
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begin
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if Exp = 0 then
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Fore := To'Length - 1 - Aft;
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else
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Fore := To'Length - 2 - Aft - Exp;
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end if;
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if Fore < 1 then
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raise Layout_Error;
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end if;
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Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
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if Ptr > To'Length then
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raise Layout_Error;
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else
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To := Buf (1 .. Ptr);
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end if;
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end Puts_LLD;
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end Ada.Wide_Text_IO.Decimal_Aux;
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