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package Commands
renames Natools.Static_Maps.S_Expressions.Templates.Integers;
function Create (Data : Atom) return Atom_Refs.Immutable_Reference
renames Atom_Ref_Constructors.Create;
procedure Insert_Image
(State : in out Format;
Context : in Meaningless_Type;
Image : in Atom);
procedure Update_Image
(State : in out Format;
Context : in Meaningless_Type;
Name : in Atom;
Arguments : in out Lockable.Descriptor'Class);
procedure Update_Format
(State : in out Format;
Context : in Meaningless_Type;
Name : in Atom;
Arguments : in out Lockable.Descriptor'Class);
------------------------------
-- Local Helper Subprograms --
------------------------------
procedure Insert_Image
(State : in out Format;
Context : in Meaningless_Type;
Image : in Atom)
is
pragma Unreferenced (Context);
begin
State.Append_Image (Image);
end Insert_Image;
procedure Update_Image
(State : in out Format;
Context : in Meaningless_Type;
Name : in Atom;
Arguments : in out Lockable.Descriptor'Class)
is
pragma Unreferenced (Context);
Value : T;
begin
begin
Value := T'Value (To_String (Name));
exception
when Constraint_Error =>
return;
end;
case Arguments.Current_Event is
when Events.Add_Atom =>
State.Set_Image (Value, Arguments.Current_Atom);
when others =>
State.Remove_Image (Value);
end case;
end Update_Image;
procedure Image_Interpreter is new Interpreter_Loop
(Format, Meaningless_Type, Update_Image, Insert_Image);
procedure Update_Format
(State : in out Format;
Context : in Meaningless_Type;
Name : in Atom;
Arguments : in out Lockable.Descriptor'Class)
is
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when Commands.Align_Right =>
State.Set_Align (Right_Aligned);
when Commands.Base =>
State.Set_Symbols (Arguments);
when Commands.Images =>
Image_Interpreter (Arguments, State, Meaningless_Value);
when Commands.Padding =>
case Arguments.Current_Event is
when Events.Add_Atom =>
State.Left_Padding := Create (Arguments.Current_Atom);
State.Right_Padding := State.Left_Padding;
when others =>
return;
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null;
end case;
end case;
end Update_Format;
procedure Interpreter is new Interpreter_Loop
(Format, Meaningless_Type, Update_Format);
(Format, Meaningless_Type, Update_Format, Insert_Image);
-------------------------
-- Dynamic Atom Arrays --
-------------------------
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Output : Atom_Buffers.Atom_Buffer;
Has_Sign : Boolean := True;
Length : Width;
Symbols : constant Atom_Arrays.Immutable_Reference
:= (if Template.Symbols.Is_Empty then Decimal else Template.Symbols);
begin
Check_Explicit_Image :
declare
Cursor : constant Atom_Maps.Cursor := Template.Images.Find (Value);
begin
if Atom_Maps.Has_Element (Cursor) then
return Atom_Maps.Element (Cursor).Query.Data.all;
end if;
end Check_Explicit_Image;
if Value < 0 then
Reverse_Render (-Value, Symbols.Query.Data.all, Output, Length);
Output.Append (Safe_Atom (Template.Negative_Sign, "-"));
else
Reverse_Render (Value, Symbols.Query.Data.all, Output, Length);
if not Template.Positive_Sign.Is_Empty then
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end Render;
---------------------
-- Format Mutators --
---------------------
procedure Append_Image
(Object : in out Format;
Image : in Atom_Refs.Immutable_Reference) is
begin
Set_Image (Object, Next_Index (Object.Images), Image);
end Append_Image;
procedure Append_Image
(Object : in out Format;
Image : in Atom) is
begin
Append_Image (Object, Create (Image));
end Append_Image;
procedure Remove_Image (Object : in out Format; Value : in T) is
begin
Object.Images.Exclude (Value);
end Remove_Image;
procedure Set_Align (Object : in out Format; Value : in Alignment) is
begin
Object.Align := Value;
end Set_Align;
procedure Set_Image
(Object : in out Format;
Value : in T;
Image : in Atom_Refs.Immutable_Reference) is
begin
Object.Images.Include (Value, Image);
end Set_Image;
procedure Set_Image
(Object : in out Format;
Value : in T;
Image : in Atom) is
begin
Set_Image (Object, Value, Create (Image));
end Set_Image;
procedure Set_Left_Padding
(Object : in out Format;
Symbol : in Atom_Refs.Immutable_Reference) is
begin
Object.Left_Padding := Symbol;
end Set_Left_Padding;
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