示例#1
0
        internal static void WriteCompressedSignedInteger(ref BlobWriter writer, int value)
        {
            unchecked
            {
                const int b6  = (1 << 6) - 1;
                const int b13 = (1 << 13) - 1;
                const int b28 = (1 << 28) - 1;

                // 0xffffffff for negative value
                // 0x00000000 for non-negative
                int signMask = value >> 31;

                if ((value & ~b6) == (signMask & ~b6))
                {
                    int n = ((value & b6) << 1) | (signMask & 1);
                    writer.WriteByte((byte)n);
                }
                else if ((value & ~b13) == (signMask & ~b13))
                {
                    int n = ((value & b13) << 1) | (signMask & 1);
                    writer.WriteUInt16BE((ushort)(0x8000 | n));
                }
                else if ((value & ~b28) == (signMask & ~b28))
                {
                    int n = ((value & b28) << 1) | (signMask & 1);
                    writer.WriteUInt32BE(0xc0000000 | (uint)n);
                }
                else
                {
                    Throw.ValueArgumentOutOfRange();
                }
            }
        }
示例#2
0
        /// <exception cref="ArgumentNullException"><paramref name="destination"/> is default(<see cref="BlobWriter"/>).</exception>
        /// <exception cref="InvalidOperationException">Content is not available, the builder has been linked with another one.</exception>
        public void WriteContentTo(ref BlobWriter destination)
        {
            if (destination.IsDefault)
            {
                Throw.ArgumentNull(nameof(destination));
            }

            foreach (var chunk in GetChunks())
            {
                destination.WriteBytes(chunk._buffer, 0, chunk.Length);
            }
        }
示例#3
0
 internal static void WriteCompressedInteger(ref BlobWriter writer, uint value)
 {
     unchecked
     {
         if (value <= SingleByteCompressedIntegerMaxValue)
         {
             writer.WriteByte((byte)value);
         }
         else if (value <= TwoByteCompressedIntegerMaxValue)
         {
             writer.WriteUInt16BE((ushort)(0x8000 | value));
         }
         else if (value <= MaxCompressedIntegerValue)
         {
             writer.WriteUInt32BE(0xc0000000 | value);
         }
         else
         {
             Throw.ValueArgumentOutOfRange();
         }
     }
 }
示例#4
0
 /// <summary>
 /// Compares the current content of this writer with another one.
 /// </summary>
 public bool ContentEquals(BlobWriter other)
 {
     return Length == other.Length && ByteSequenceComparer.Equals(_buffer, _start, other._buffer, other._start, Length);
 }
示例#5
0
        internal static void WriteConstant(ref BlobWriter writer, object value)
        {
            if (value == null)
            {
                // The encoding of Type for the nullref value for FieldInit is ELEMENT_TYPE_CLASS with a Value of a 32-bit.
                writer.WriteUInt32(0);
                return;
            }

            var type = value.GetType();

            if (type.GetTypeInfo().IsEnum)
            {
                type = Enum.GetUnderlyingType(type);
            }

            if (type == typeof(bool))
            {
                writer.WriteBoolean((bool)value);
            }
            else if (type == typeof(int))
            {
                writer.WriteInt32((int)value);
            }
            else if (type == typeof(string))
            {
                writer.WriteUTF16((string)value);
            }
            else if (type == typeof(byte))
            {
                writer.WriteByte((byte)value);
            }
            else if (type == typeof(char))
            {
                writer.WriteUInt16((char)value);
            }
            else if (type == typeof(double))
            {
                writer.WriteDouble((double)value);
            }
            else if (type == typeof(short))
            {
                writer.WriteInt16((short)value);
            }
            else if (type == typeof(long))
            {
                writer.WriteInt64((long)value);
            }
            else if (type == typeof(sbyte))
            {
                writer.WriteSByte((sbyte)value);
            }
            else if (type == typeof(float))
            {
                writer.WriteSingle((float)value);
            }
            else if (type == typeof(ushort))
            {
                writer.WriteUInt16((ushort)value);
            }
            else if (type == typeof(uint))
            {
                writer.WriteUInt32((uint)value);
            }
            else if (type == typeof(ulong))
            {
                writer.WriteUInt64((ulong)value);
            }
            else
            {
                throw new ArgumentException(StarkPlatform.Reflection.Resources.SR.Format(SR.InvalidConstantValueOfType, type));
            }
        }