using System; using System.IO; using System.Text; namespace Org.BouncyCastle.Utilities.IO { public static class BinaryReaders { internal static T Parse<T>(Func<BinaryReader, T> parse, Stream stream, bool leaveOpen) { using (BinaryReader arg = new BinaryReader(stream, Encoding.UTF8, leaveOpen)) return parse(arg); } public static byte[] ReadBytesFully(BinaryReader binaryReader, int count) { byte[] array = binaryReader.ReadBytes(count); if (array == null || array.Length != count) throw new EndOfStreamException(); return array; } public static short ReadInt16BigEndian(BinaryReader binaryReader) { short num = binaryReader.ReadInt16(); if (!BitConverter.IsLittleEndian) return num; return Shorts.ReverseBytes(num); } public static short ReadInt16LittleEndian(BinaryReader binaryReader) { short num = binaryReader.ReadInt16(); if (!BitConverter.IsLittleEndian) return Shorts.ReverseBytes(num); return num; } public static int ReadInt32BigEndian(BinaryReader binaryReader) { int num = binaryReader.ReadInt32(); if (!BitConverter.IsLittleEndian) return num; return Integers.ReverseBytes(num); } public static int ReadInt32LittleEndian(BinaryReader binaryReader) { int num = binaryReader.ReadInt32(); if (!BitConverter.IsLittleEndian) return Integers.ReverseBytes(num); return num; } public static long ReadInt64BigEndian(BinaryReader binaryReader) { long num = binaryReader.ReadInt64(); if (!BitConverter.IsLittleEndian) return num; return Longs.ReverseBytes(num); } public static long ReadInt64LittleEndian(BinaryReader binaryReader) { long num = binaryReader.ReadInt64(); if (!BitConverter.IsLittleEndian) return Longs.ReverseBytes(num); return num; } [CLSCompliant(false)] public static ushort ReadUInt16BigEndian(BinaryReader binaryReader) { ushort num = binaryReader.ReadUInt16(); if (!BitConverter.IsLittleEndian) return num; return Shorts.ReverseBytes(num); } [CLSCompliant(false)] public static ushort ReadUInt16LittleEndian(BinaryReader binaryReader) { ushort num = binaryReader.ReadUInt16(); if (!BitConverter.IsLittleEndian) return Shorts.ReverseBytes(num); return num; } [CLSCompliant(false)] public static uint ReadUInt32BigEndian(BinaryReader binaryReader) { uint num = binaryReader.ReadUInt32(); if (!BitConverter.IsLittleEndian) return num; return Integers.ReverseBytes(num); } [CLSCompliant(false)] public static uint ReadUInt32LittleEndian(BinaryReader binaryReader) { uint num = binaryReader.ReadUInt32(); if (!BitConverter.IsLittleEndian) return Integers.ReverseBytes(num); return num; } [CLSCompliant(false)] public static ulong ReadUInt64BigEndian(BinaryReader binaryReader) { ulong num = binaryReader.ReadUInt64(); if (!BitConverter.IsLittleEndian) return num; return Longs.ReverseBytes(num); } [CLSCompliant(false)] public static ulong ReadUInt64LittleEndian(BinaryReader binaryReader) { ulong num = binaryReader.ReadUInt64(); if (!BitConverter.IsLittleEndian) return Longs.ReverseBytes(num); return num; } } }