EightBitNet/Fuse/Lines.cs
Adrian Conlon 8dea5746c4 Tidy up stylecopy usage for the LR35902 set of libraries.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2019-07-21 13:11:00 +01:00

60 lines
1.5 KiB
C#

// <copyright file="Lines.cs" company="Adrian Conlon">
// Copyright (c) Adrian Conlon. All rights reserved.
// </copyright>
namespace Fuse
{
using System;
using System.Collections.Generic;
using System.IO;
public class Lines
{
private readonly string path;
private readonly List<string> lines = new List<string>();
private int position = -1;
public Lines(string path) => this.path = path;
public bool EndOfFile => this.position == this.lines.Count;
public void Read()
{
using (var reader = File.OpenText(this.path))
{
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
var ignored = line.StartsWith(";", StringComparison.OrdinalIgnoreCase);
if (!ignored)
{
this.lines.Add(line);
}
}
}
// Users should check EndOfFile before using a bad position...
this.position = 0;
}
public string ReadLine()
{
try
{
return this.PeekLine();
}
finally
{
this.Increment();
}
}
public void UnreadLine() => this.Decrement();
public string PeekLine() => this.lines[this.position];
private void Increment() => ++this.position;
private void Decrement() => --this.position;
}
}