52 lines
1.5 KiB
C#
52 lines
1.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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namespace UnityFS
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{
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public static class BinaryReaderExtensions
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{
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public static void AlignStream(this BinaryReader reader, int alignment)
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{
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var pos = reader.BaseStream.Position;
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var mod = pos % alignment;
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if (mod != 0)
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{
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reader.BaseStream.Position += alignment - mod;
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}
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}
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public static string ReadAlignedString(this BinaryReader reader)
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{
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var length = reader.ReadInt32();
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if (length > 0 && length <= reader.BaseStream.Length - reader.BaseStream.Position)
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{
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var stringData = reader.ReadBytes(length);
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var result = Encoding.UTF8.GetString(stringData);
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reader.AlignStream(4);
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return result;
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}
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return "";
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}
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public static string ReadStringToNull(this BinaryReader reader, int maxLength = 32767)
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{
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var bytes = new List<byte>();
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int count = 0;
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while (reader.BaseStream.Position != reader.BaseStream.Length && count < maxLength)
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{
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var b = reader.ReadByte();
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if (b == 0)
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{
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break;
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}
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bytes.Add(b);
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count++;
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}
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return Encoding.UTF8.GetString(bytes.ToArray());
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}
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}
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}
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