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This commit is contained in:
Adrian Conlon
2024-05-19 09:07:20 +01:00
parent 6cbffa1051
commit e0235f396e
19 changed files with 151 additions and 192 deletions
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12
EightBit/IntelHexFile.cs
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@@ -8,14 +8,12 @@ namespace EightBit
using System.Collections.Generic;
using System.IO;
public class IntelHexFile : IDisposable
public class IntelHexFile(string path) : IDisposable
{
private readonly StreamReader reader;
private readonly StreamReader reader = File.OpenText(path);
private bool eof;
private bool disposed = false;
public IntelHexFile(string path) => this.reader = File.OpenText(path);
public void Dispose()
{
this.Dispose(true);
@@ -27,7 +25,7 @@ namespace EightBit
this.eof = false;
while (!this.reader.EndOfStream && !this.eof)
{
var line = this.reader.ReadLine();
var line = this.reader.ReadLine() ?? throw new InvalidOperationException("Early EOF detected");
var parsed = this.Parse(line);
if (parsed != null)
{
@@ -78,14 +76,14 @@ namespace EightBit
return data;
}
private Tuple<ushort, byte[]> Parse(string line)
private Tuple<ushort, byte[]>? Parse(string line)
{
if (string.IsNullOrEmpty(line))
{
throw new ArgumentNullException(nameof(line));
}
var colon = line.Substring(0, 1);
var colon = line[..1];
if (colon != ":")
{
throw new ArgumentOutOfRangeException(nameof(line), "Invalid hex file: line does not begin with a colon");