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