90 lines
2.0 KiB
Plaintext
90 lines
2.0 KiB
Plaintext
program Calendar;
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{$APPTYPE CONSOLE}
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uses
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System.SysUtils,
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System.DateUtils;
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function Center(s: string; width: Integer): string;
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var
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side: Integer;
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begin
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if s.Length >= width then
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exit(s);
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side := (width - s.Length) div 2;
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Result := s + string.Create(' ', side);
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Result := string.Create(' ', width - Result.Length) + Result;
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end;
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procedure PrintCalendar(year, nCols: word; local: string = 'en-US');
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var
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fmt: TFormatSettings;
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begin
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if (nCols <= 0) or (nCols > 12) then
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exit;
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fmt := TFormatSettings.Create(local);
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var rows := 12 div nCols + ord(12 mod nCols <> 0);
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var date := EncodeDate(year, 1, 1);
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var offs := DayOfTheWeek(date);
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var months: TArray<string>;
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setlength(months, 12);
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for var i := 1 to 12 do
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months[i - 1] := fmt.LongMonthNames[i];
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var sWeek := '';
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for var i := 1 to 7 do
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sWeek := sWeek + ' ' + copy(fmt.ShortDayNames[i], 1, 2);
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var mons: TArray<TArray<string>>;
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SetLength(mons, 12, 8);
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for var m := 0 to 11 do
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begin
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mons[m, 0] := Center(months[m], 21);
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mons[m, 1] := sWeek;
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var dim := DaysInMonth(date);
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for var d := 1 to 43 do
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begin
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var day := (d > offs) and (d <= offs + dim);
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var str := ' ';
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if day then
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str := format(' %2d', [d - offs]);
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mons[m, 2 + (d - 1) div 7] := mons[m, 2 + (d - 1) div 7] + str;
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end;
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offs := (offs + dim) mod 7;
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date := IncMonth(date, 1);
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end;
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writeln(Center('[Snoopy Picture]', nCols * 24 + 4));
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Writeln(Center(year.ToString, nCols * 24 + 4));
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writeln;
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for var r := 0 to rows - 1 do
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begin
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var s: TArray<string>;
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SetLength(s, 8);
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for var c := 0 to nCols - 1 do
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begin
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if r * nCols + c > 11 then
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Break;
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for var i := 0 to High(mons[r * nCols + c]) do
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begin
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var line := mons[r * nCols + c, i];
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s[i] := s[i] + ' ' + line;
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end;
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end;
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for var ss in s do
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begin
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writeln(ss, ' ');
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end;
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writeln;
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end;
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end;
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begin
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printCalendar(1969, 4);
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readln;
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end.
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