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Correct formatting of numbers in output

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This commit is contained in:
Andrew Cooper
2022-04-16 17:24:32 +10:00
parent 5fbf0dc37f
commit 8dd1180d87
7 changed files with 33 additions and 18 deletions
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16
00_Common/dotnet/Games.Common/IO/IReadWrite.cs
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@@ -1,5 +1,4 @@
using System;
using System.IO;
using Games.Common.Numbers;
namespace Games.Common.IO;
@@ -76,17 +75,16 @@ public interface IReadWrite
void WriteLine(string message = "");
/// <summary>
/// Writes a <see cref="float" /> to output, formatted per the BASIC interpreter, with leading and trailing spaces.
/// Writes a <see cref="Number" /> to output.
/// </summary>
/// <param name="value">The <see cref="float" /> to be written.</param>
void Write(float value);
/// <param name="value">The <see cref="Number" /> to be written.</param>
void Write(Number value);
/// <summary>
/// Writes a <see cref="float" /> to output, formatted per the BASIC interpreter, with leading and trailing spaces,
/// followed by a new-line.
/// Writes a <see cref="Number" /> to output.
/// </summary>
/// <param name="value">The <see cref="float" /> to be written.</param>
void WriteLine(float value);
/// <param name="value">The <see cref="Number" /> to be written.</param>
void WriteLine(Number value);
/// <summary>
/// Writes an <see cref="object" /> to output.

9
00_Common/dotnet/Games.Common/IO/TextIO.cs
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@@ -1,7 +1,4 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Games.Common.Numbers;
namespace Games.Common.IO;
@@ -100,9 +97,9 @@ public class TextIO : IReadWrite
public void WriteLine(string value = "") => _output.WriteLine(value);
public void Write(float value) => _output.Write(GetString(value));
public void Write(Number value) => _output.Write(value.ToString());
public void WriteLine(float value) => _output.WriteLine(GetString(value));
public void WriteLine(Number value) => _output.WriteLine(value.ToString());
public void Write(object value) => _output.Write(value.ToString());

20
00_Common/dotnet/Games.Common/Numbers/Number.cs Normal file
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@@ -0,0 +1,20 @@
namespace Games.Common.Numbers;
/// <summary>
/// A single-precision floating-point number with string formatting equivalent to the BASIC interpreter.
/// </summary>
public struct Number
{
private readonly float _value;
public Number (float value)
{
_value = value;
}
public static implicit operator float(Number value) => value._value;
public static implicit operator Number(float value) => new Number(value);
public override string ToString() => _value < 0 ? $"{_value} " : $" {_value} ";
}