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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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76
Task/Text-processing-1/Ada/text-processing-1.ada Normal file
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with Ada.Text_IO; use Ada.Text_IO;
with Strings_Edit; use Strings_Edit;
with Strings_Edit.Floats; use Strings_Edit.Floats;
with Strings_Edit.Integers; use Strings_Edit.Integers;
procedure Data_Munging is
Syntax_Error : exception;
type Gap_Data is record
Count : Natural := 0;
Line : Natural := 0;
Pointer : Integer;
Year : Integer;
Month : Integer;
Day : Integer;
end record;
File : File_Type;
Max : Gap_Data;
This : Gap_Data;
Current : Gap_Data;
Count : Natural := 0;
Sum : Float := 0.0;
begin
Open (File, In_File, "readings.txt");
loop
declare
Line : constant String := Get_Line (File);
Pointer : Integer := Line'First;
Flag : Integer;
Data : Float;
begin
Current.Line := Current.Line + 1;
Get (Line, Pointer, SpaceAndTab);
Get (Line, Pointer, Current.Year);
Get (Line, Pointer, Current.Month);
Get (Line, Pointer, Current.Day);
while Pointer <= Line'Last loop
Get (Line, Pointer, SpaceAndTab);
Current.Pointer := Pointer;
Get (Line, Pointer, Data);
Get (Line, Pointer, SpaceAndTab);
Get (Line, Pointer, Flag);
if Flag < 0 then
if This.Count = 0 then
This := Current;
end if;
This.Count := This.Count + 1;
else
if This.Count > 0 and then Max.Count < This.Count then
Max := This;
end if;
This.Count := 0;
Count := Count + 1;
Sum := Sum + Data;
end if;
end loop;
exception
when End_Error =>
raise Syntax_Error;
end;
end loop;
exception
when End_Error =>
Close (File);
if This.Count > 0 and then Max.Count < This.Count then
Max := This;
end if;
Put_Line ("Average " & Image (Sum / Float (Count)) & " over " & Image (Count));
if Max.Count > 0 then
Put ("Max. " & Image (Max.Count) & " false readings start at ");
Put (Image (Max.Line) & ':' & Image (Max.Pointer) & " stamped ");
Put_Line (Image (Max.Year) & Image (Max.Month) & Image (Max.Day));
end if;
when others =>
Close (File);
Put_Line ("Syntax error at " & Image (Current.Line) & ':' & Image (Max.Pointer));
end Data_Munging;