53 lines
1.9 KiB
C#
53 lines
1.9 KiB
C#
using System;
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using System.Linq;
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enum Justification { Left, Center, Right }
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public class Program
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{
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static void Main()
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{
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string text =
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@"Given$a$text$file$of$many$lines,$where$fields$within$a$line$
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are$delineated$by$a$single$'dollar'$character,$write$a$program
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that$aligns$each$column$of$fields$by$ensuring$that$words$in$each$
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column$are$separated$by$at$least$one$space.
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Further,$allow$for$each$word$in$a$column$to$be$either$left$
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justified,$right$justified,$or$center$justified$within$its$column.";
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AlignColumns(text, Justification.Left);
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Console.WriteLine();
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AlignColumns(text, Justification.Center);
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Console.WriteLine();
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AlignColumns(text, Justification.Right);
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}
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public static void AlignColumns(string text, Justification justification) =>
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AlignColumns(text.Split(Environment.NewLine), justification);
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public static void AlignColumns(string[] lines, Justification justification) =>
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AlignColumns(lines.Select(line => line.Split('$')).ToArray(), justification);
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public static void AlignColumns(string[][] table, Justification justification)
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{
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Console.WriteLine(justification + ":");
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int columns = table.Max(line => line.Length);
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var columnWidths =
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Enumerable.Range(0, columns)
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.Select(i => table.Max(line => i < line.Length ? line[i].Length : 0)
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).ToArray();
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foreach (var line in table) {
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Console.WriteLine(string.Join(" ",
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Enumerable.Range(0, line.Length)
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.Select(i => justification switch {
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Justification.Left => line[i].PadRight(columnWidths[i]),
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Justification.Right => line[i].PadLeft(columnWidths[i]),
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_ => line[i].PadLeft(columnWidths[i] / 2).PadRight(columnWidths[i])
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})
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));
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}
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}
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}
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