-- --
-- B o d y --
-- --
--- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, 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- --
+-- ware Foundation; either version 3, 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. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
--- 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. --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- Blank_When_Zero --
---------------------
- function Blank_When_Zero (Pic : in Picture) return Boolean is
+ function Blank_When_Zero (Pic : Picture) return Boolean is
begin
return Pic.Contents.Original_BWZ;
end Blank_When_Zero;
-----------
function Image
- (Item : in Num;
- Pic : in Picture;
- Currency : in Wide_String := Default_Currency;
- Fill : in Wide_Character := Default_Fill;
- Separator : in Wide_Character := Default_Separator;
- Radix_Mark : in Wide_Character := Default_Radix_Mark)
- return Wide_String
+ (Item : Num;
+ Pic : Picture;
+ Currency : Wide_String := Default_Currency;
+ Fill : Wide_Character := Default_Fill;
+ Separator : Wide_Character := Default_Separator;
+ Radix_Mark : Wide_Character := Default_Radix_Mark) return Wide_String
is
begin
return Format_Number
------------
function Length
- (Pic : in Picture;
- Currency : in Wide_String := Default_Currency)
- return Natural
+ (Pic : Picture;
+ Currency : Wide_String := Default_Currency) return Natural
is
Picstr : constant String := Pic_String (Pic);
V_Adjust : Integer := 0;
---------
procedure Put
- (File : in Wide_Text_IO.File_Type;
- Item : in Num;
- Pic : in Picture;
- Currency : in Wide_String := Default_Currency;
- Fill : in Wide_Character := Default_Fill;
- Separator : in Wide_Character := Default_Separator;
- Radix_Mark : in Wide_Character := Default_Radix_Mark)
+ (File : Wide_Text_IO.File_Type;
+ Item : Num;
+ Pic : Picture;
+ Currency : Wide_String := Default_Currency;
+ Fill : Wide_Character := Default_Fill;
+ Separator : Wide_Character := Default_Separator;
+ Radix_Mark : Wide_Character := Default_Radix_Mark)
is
begin
Wide_Text_IO.Put (File, Image (Item, Pic,
end Put;
procedure Put
- (Item : in Num;
- Pic : in Picture;
- Currency : in Wide_String := Default_Currency;
- Fill : in Wide_Character := Default_Fill;
- Separator : in Wide_Character := Default_Separator;
- Radix_Mark : in Wide_Character := Default_Radix_Mark)
+ (Item : Num;
+ Pic : Picture;
+ Currency : Wide_String := Default_Currency;
+ Fill : Wide_Character := Default_Fill;
+ Separator : Wide_Character := Default_Separator;
+ Radix_Mark : Wide_Character := Default_Radix_Mark)
is
begin
Wide_Text_IO.Put (Image (Item, Pic,
procedure Put
(To : out Wide_String;
- Item : in Num;
- Pic : in Picture;
- Currency : in Wide_String := Default_Currency;
- Fill : in Wide_Character := Default_Fill;
- Separator : in Wide_Character := Default_Separator;
- Radix_Mark : in Wide_Character := Default_Radix_Mark)
+ Item : Num;
+ Pic : Picture;
+ Currency : Wide_String := Default_Currency;
+ Fill : Wide_Character := Default_Fill;
+ Separator : Wide_Character := Default_Separator;
+ Radix_Mark : Wide_Character := Default_Radix_Mark)
is
Result : constant Wide_String :=
Image (Item, Pic, Currency, Fill, Separator, Radix_Mark);
function Valid
(Item : Num;
- Pic : in Picture;
- Currency : in Wide_String := Default_Currency)
- return Boolean
+ Pic : Picture;
+ Currency : Wide_String := Default_Currency) return Boolean
is
begin
declare
Temp : constant Wide_String := Image (Item, Pic, Currency);
pragma Warnings (Off, Temp);
-
begin
return True;
end;
when Layout_Error => return False;
end Valid;
-
end Decimal_Output;
------------
-- Expand --
------------
- function Expand (Picture : in String) return String is
+ function Expand (Picture : String) return String is
Result : String (1 .. MAX_PICSIZE);
Picture_Index : Integer := Picture'First;
Result_Index : Integer := Result'First;
when '(' =>
- -- We now need to scan out the count after a left paren.
- -- In the non-wide version we used Integer_IO.Get, but
- -- that is not convenient here, since we don't want to
- -- drag in normal Text_IO just for this purpose. So we
- -- do the scan ourselves, with the normal validity checks.
+ -- We now need to scan out the count after a left paren. In
+ -- the non-wide version we used Integer_IO.Get, but that is
+ -- not convenient here, since we don't want to drag in normal
+ -- Text_IO just for this purpose. So we do the scan ourselves,
+ -- with the normal validity checks.
Last := Picture_Index + 1;
Count := 0;
end loop;
-- In what follows note that one copy of the repeated
- -- character has already been made, so a count of one is a
+ -- character has already been made, so a count of one is
-- no-op, and a count of zero erases a character.
for J in 2 .. Count loop
Result_Index := Result_Index + Count - 1;
- -- Last was a ')' throw it away too.
+ -- Last was a ')' throw it away too
Picture_Index := Last + 1;
exception
when others =>
raise Picture_Error;
-
end Expand;
-------------------
Currency_Symbol : Wide_String;
Fill_Character : Wide_Character;
Separator_Character : Wide_Character;
- Radix_Point : Wide_Character)
- return Wide_String
+ Radix_Point : Wide_Character) return Wide_String
is
Attrs : Number_Attributes := Parse_Number_String (Number);
Position : Integer;
Sign_Position : Integer := Pic.Sign_Position; -- may float.
- Answer : Wide_String (1 .. Pic.Picture.Length);
- Last : Integer;
- Currency_Pos : Integer := Pic.Start_Currency;
+ Answer : Wide_String (1 .. Pic.Picture.Length);
+ Last : Integer;
+ Currency_Pos : Integer := Pic.Start_Currency;
Dollar : Boolean := False;
- -- Overridden immediately if necessary.
+ -- Overridden immediately if necessary
Zero : Boolean := True;
- -- Set to False when a non-zero digit is output.
+ -- Set to False when a non-zero digit is output
begin
end loop;
-- The rounding may add a digit in front. Either the
- -- leading blank or the sign (already captured) can
- -- be overwritten.
+ -- leading blank or the sign (already captured) can be
+ -- overwritten.
if R_Pos = 1 then
Rounded (R_Pos) := '1';
for J in reverse Last .. Answer'Last loop
exit when J = Pic.Radix_Position;
- -- Do this test First, Separator_Character can equal Pic.Floater.
+ -- Do this test First, Separator_Character can equal Pic.Floater
if Answer (J) = Pic.Floater then
exit;
raise Layout_Error;
end if;
- if Pic.Radix_Position = Invalid_Position then
- Position := Answer'Last;
- else
- Position := Pic.Radix_Position - 1;
- end if;
+ Position :=
+ (if Pic.Radix_Position = Invalid_Position then Answer'Last
+ else Pic.Radix_Position - 1);
for J in reverse Attrs.Start_Of_Int .. Attrs.End_Of_Int loop
-
while Answer (Position) /= '9'
- and Answer (Position) /= Pic.Floater
+ and then
+ Answer (Position) /= Pic.Floater
loop
if Answer (Position) = '_' then
Answer (Position) := Separator_Character;
-
elsif Answer (Position) = 'b' then
Answer (Position) := ' ';
end if;
or else
Pic.Floater = '-'
then
- for J in Pic.End_Float .. Position loop -- May be null range.
+ for J in Pic.End_Float .. Position loop -- May be null range
if Answer (J) = '9' then
Answer (J) := '0';
elsif Pic.Floater = '$' then
- for J in Pic.End_Float .. Position loop -- May be null range.
+ for J in Pic.End_Float .. Position loop -- May be null range
if Answer (J) = '9' then
Answer (J) := '0';
elsif Answer (J) = '_' then
- Answer (J) := ' '; -- no separator before leftmost digit.
+ Answer (J) := ' '; -- no separator before leftmost digit
elsif Answer (J) = 'b' then
Answer (J) := ' ';
elsif Pic.Floater = '*' then
- for J in Pic.End_Float .. Position loop -- May be null range.
+ for J in Pic.End_Float .. Position loop -- May be null range
if Answer (J) = '9' then
Answer (J) := '0';
for J in Last .. Answer'Last loop
- if Answer (J) = '9' or Answer (J) = Pic.Floater then
+ if Answer (J) = '9' or else Answer (J) = Pic.Floater then
Answer (J) := To_Wide (Rounded (Position));
if Rounded (Position) /= '0' then
-- No trailing digits, but now J may need to stick in a currency
-- symbol or sign.
- if Pic.Start_Currency = Invalid_Position then
- Position := Answer'Last + 1;
- else
- Position := Pic.Start_Currency;
- end if;
+ Position :=
+ (if Pic.Start_Currency = Invalid_Position then Answer'Last + 1
+ else Pic.Start_Currency);
end if;
for J in Position .. Answer'Last loop
-
if Pic.Start_Currency /= Invalid_Position and then
Answer (Pic.Start_Currency) = '#' then
Currency_Pos := 1;
end if;
- -- Note: There are some weird cases J can imagine with 'b' or '#'
- -- in currency strings where the following code will cause
- -- glitches. The trick is to tell when the character in the
- -- answer should be checked, and when to look at the original
- -- string. Some other time. RIE 11/26/96 ???
+ -- Note: There are some weird cases J can imagine with 'b' or '#' in
+ -- currency strings where the following code will cause glitches. The
+ -- trick is to tell when the character in the answer should be
+ -- checked, and when to look at the original string. Some other time.
+ -- RIE 11/26/96 ???
case Answer (J) is
when '*' =>
end case;
end loop;
- -- Now get rid of Blank_when_Zero and complete Star fill.
+ -- Now get rid of Blank_when_Zero and complete Star fill
- if Zero and Pic.Blank_When_Zero then
+ if Zero and then Pic.Blank_When_Zero then
- -- Value is zero, and blank it.
+ -- Value is zero, and blank it
Last := Answer'Last;
return Wide_String'(1 .. Last => ' ');
- elsif Zero and Pic.Star_Fill then
+ elsif Zero and then Pic.Star_Fill then
Last := Answer'Last;
if Dollar then
elsif Dollar then
if Pic.Radix_Position > Pic.Start_Currency then
- return Wide_String' (1 .. Pic.Radix_Position - 1 => '*') &
+ return Wide_String'(1 .. Pic.Radix_Position - 1 => '*') &
Radix_Point &
- Wide_String' (Pic.Radix_Position + 1 .. Last => '*');
+ Wide_String'(Pic.Radix_Position + 1 .. Last => '*');
else
return
end if;
end if;
- return Wide_String' (1 .. Last => '*');
+ return Wide_String'(1 .. Last => '*');
end if;
-- This was once a simple return statement, now there are nine
-- Processing the radix and sign expansion separately
-- would require lots of copying--the string and some of its
- -- indices--without really simplifying the logic. The cases are:
+ -- indicies--without really simplifying the logic. The cases are:
-- 1) Expand $, replace '.' with Radix_Point
-- 2) No currency expansion, replace '.' with Radix_Point
-- 1) Expand $, replace '.' with Radix_Point
- return Answer (1 .. Currency_Pos - 1) & Currency_Symbol &
- Answer (Currency_Pos + 1 .. Answer'Last);
+ return
+ Answer (1 .. Currency_Pos - 1) & Currency_Symbol &
+ Answer (Currency_Pos + 1 .. Answer'Last);
else
-- 2) No currency expansion, replace '.' with Radix_Point
return Answer;
end if;
-
end Format_Number;
-------------------------
raise Picture_Error;
end if;
- -- Two decimal points is a no-no.
+ -- Two decimal points is a no-no
Answer.Has_Fraction := True;
Answer.End_Of_Fraction := J;
Answer.Start_Of_Int := Answer.End_Of_Int + 1;
end if;
- -- No significant (intger) digits needs a null range.
+ -- No significant (intger) digits needs a null range
return Answer;
-
end Parse_Number_String;
----------------
-- The following ensures that we return B and not b being careful not
-- to break things which expect lower case b for blank. See CXF3A02.
- function Pic_String (Pic : in Picture) return String is
+ function Pic_String (Pic : Picture) return String is
Temp : String (1 .. Pic.Contents.Picture.Length) :=
Pic.Contents.Picture.Expanded;
begin
for J in Temp'Range loop
- if Temp (J) = 'b' then Temp (J) := 'B'; end if;
+ if Temp (J) = 'b' then
+ Temp (J) := 'B';
+ end if;
end loop;
return Temp;
type Legality is (Okay, Reject);
State : Legality := Reject;
- -- Start in reject, which will reject null strings.
+ -- Start in reject, which will reject null strings
Index : Pic_Index := Pic.Picture.Expanded'First;
procedure Leading_Dollar is
begin
- -- Treat as a floating dollar, and unwind otherwise.
+ -- Treat as a floating dollar, and unwind otherwise
Pic.Floater := '$';
Pic.Start_Currency := Index;
Pic.End_Float := Invalid_Position;
end if;
- -- A single dollar does not a floating make.
+ -- A single dollar does not a floating make
Number_Completion;
return;
Pic.End_Float := Invalid_Position;
end if;
- -- Only one dollar before the sign is okay,
- -- but doesn't float.
+ -- Only one dollar before the sign is okay, but doesn't
+ -- float.
Pic.Radix_Position := Index;
Skip;
-- Set to True if a '_', '0', '/', 'B', or 'b' is encountered
Must_Float : Boolean := False;
- -- Set to true if a '#' occurs after an insert.
+ -- Set to true if a '#' occurs after an insert
begin
-- Treat as a floating currency. If it isn't, this will be
when '9' =>
if State /= Okay then
- -- A single '#' doesn't float.
+ -- A single '#' doesn't float
Pic.Floater := '!';
Pic.Start_Float := Invalid_Position;
Pic.End_Float := Invalid_Position;
end if;
- -- Only one pound before the sign is okay,
- -- but doesn't float.
+ -- Only one pound before the sign is okay, but doesn't
+ -- float.
Pic.Radix_Position := Index;
Skip;
return;
end if;
- -- Will return in Okay state if a '9' was seen.
+ -- Will return in Okay state if a '9' was seen
end loop;
end Number;
Pic.Picture.Expanded (Index) := 'C';
Skip;
- if Look = 'R' or Look = 'r' then
+ if Look = 'R' or else Look = 'r' then
Pic.Second_Sign := Index;
Pic.Picture.Expanded (Index) := 'R';
Skip;
Pic.Picture.Expanded (Index) := 'D';
Skip;
- if Look = 'B' or Look = 'b' then
+ if Look = 'B' or else Look = 'b' then
Pic.Second_Sign := Index;
Pic.Picture.Expanded (Index) := 'B';
Skip;
-- Picture --
-------------
- -- Note that Picture can be called in either State.
+ -- Note that Picture can be called in either State
-- It will set state to Valid only if a 9 is encountered or floating
-- currency is called.
Pic.Sign_Position := Index;
Pic.Sign_Position := Index;
- -- Treat as a floating sign, and unwind otherwise.
+ -- Treat as a floating sign, and unwind otherwise
Pic.Floater := '<';
Pic.Start_Float := Index;
begin
Pic.Sign_Position := Index;
- -- Treat as a floating sign, and unwind otherwise.
+ -- Treat as a floating sign, and unwind otherwise
Pic.Floater := '-';
Pic.Start_Float := Index;
Pic.Max_Leading_Digits := Pic.Max_Leading_Digits + 1;
Pic.End_Float := Index;
Skip;
- Set_State (Okay); -- "-- " is enough.
+ Set_State (Okay); -- "-- " is enough
Floating_Minus;
Trailing_Currency;
return;
when 'Z' | 'z' =>
- -- Can't have Z and a floating sign.
+ -- Can't have Z and a floating sign
if State = Okay then
Set_State (Reject);
Pic.End_Float := Invalid_Position;
end if;
- -- Don't assume that state is okay, haven't seen a digit.
+ -- Don't assume that state is okay, haven't seen a digit
Picture;
return;
begin
Pic.Sign_Position := Index;
- -- Treat as a floating sign, and unwind otherwise.
+ -- Treat as a floating sign, and unwind otherwise
Pic.Floater := '+';
Pic.Start_Float := Index;
Pic.Max_Leading_Digits := Pic.Max_Leading_Digits + 1;
Pic.End_Float := Index;
Skip;
- Set_State (Okay); -- "++" is enough.
+ Set_State (Okay); -- "++" is enough
Floating_Plus;
Trailing_Currency;
return;
Set_State (Reject);
end if;
- -- Can't have Z and a floating sign.
+ -- Can't have Z and a floating sign
Pic.Picture.Expanded (Index) := 'Z'; -- consistency
Pic.End_Float := Invalid_Position;
end if;
- -- Don't assume that state is okay, haven't seen a digit.
+ -- Don't assume that state is okay, haven't seen a digit
Picture;
return;
end case;
-- Blank when zero either if the PIC does not contain a '9' or if
- -- requested by the user and no '*'
+ -- requested by the user and no '*'.
Pic.Blank_When_Zero :=
- (Computed_BWZ or Pic.Blank_When_Zero) and not Pic.Star_Fill;
+ (Computed_BWZ or else Pic.Blank_When_Zero)
+ and then not Pic.Star_Fill;
- -- Star fill if '*' and no '9'.
+ -- Star fill if '*' and no '9'
- Pic.Star_Fill := Pic.Star_Fill and Computed_BWZ;
+ Pic.Star_Fill := Pic.Star_Fill and then Computed_BWZ;
if not At_End then
Set_State (Reject);
when Constraint_Error =>
- -- To deal with special cases like null strings.
+ -- To deal with special cases like null strings
raise Picture_Error;
----------------
function To_Picture
- (Pic_String : in String;
- Blank_When_Zero : in Boolean := False)
- return Picture
+ (Pic_String : String;
+ Blank_When_Zero : Boolean := False) return Picture
is
Result : Picture;
-----------
function Valid
- (Pic_String : in String;
- Blank_When_Zero : in Boolean := False)
- return Boolean
+ (Pic_String : String;
+ Blank_When_Zero : Boolean := False) return Boolean
is
begin
declare
Format_Rec.Original_BWZ := Blank_When_Zero;
Precalculate (Format_Rec);
- -- False only if Blank_When_0 is True but the pic string
- -- has a '*'
+ -- False only if Blank_When_0 is True but the pic string has a '*'
- return not Blank_When_Zero or
- Strings_Fixed.Index (Expanded_Pic, "*") = 0;
+ return not Blank_When_Zero
+ or else Strings_Fixed.Index (Expanded_Pic, "*") = 0;
end;
exception
when others => return False;
-
end Valid;
end Ada.Wide_Text_IO.Editing;
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