XmlQueryDataReader.cs

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using System.IO;
 
namespace System.Xml.Xsl.Runtime;
 
internal sealed class XmlQueryDataReader : BinaryReader
{
    public XmlQueryDataReader(Stream input)
        : base(input)
    {
    }
 
    public string ReadStringQ()
    {
        if (!ReadBoolean())
        {
            return null;
        }
        return ReadString();
    }
 
    public sbyte ReadSByte(sbyte minValue, sbyte maxValue)
    {
        sbyte b = ReadSByte();
        if (b < minValue)
        {
            throw new ArgumentOutOfRangeException("minValue");
        }
        if (maxValue < b)
        {
            throw new ArgumentOutOfRangeException("maxValue");
        }
        return b;
    }
}