XmlSchemaException.cs

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using System.Resources;
using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
 
namespace System.Xml.Schema;
 
[Serializable]
[TypeForwardedFrom("System.Xml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
public class XmlSchemaException : SystemException
{
    private readonly string _res;
 
    private readonly string[] _args;
 
    private string _sourceUri;
 
    private int _lineNumber;
 
    private int _linePosition;
 
    private XmlSchemaObject _sourceSchemaObject;
 
    private readonly string _message;
 
    internal string? GetRes => _res;
 
    internal string?[]? Args => _args;
 
    public string? SourceUri => _sourceUri;
 
    public int LineNumber => _lineNumber;
 
    public int LinePosition => _linePosition;
 
    public XmlSchemaObject? SourceSchemaObject => _sourceSchemaObject;
 
    public override string Message
    {
        get
        {
            if (_message != null)
            {
                return _message;
            }
            return base.Message;
        }
    }
 
    protected XmlSchemaException(SerializationInfo info, StreamingContext context)
        : base(info, context)
    {
        _res = (string)info.GetValue("res", typeof(string));
        _args = (string[])info.GetValue("args", typeof(string[]));
        _sourceUri = (string)info.GetValue("sourceUri", typeof(string));
        _lineNumber = (int)info.GetValue("lineNumber", typeof(int));
        _linePosition = (int)info.GetValue("linePosition", typeof(int));
        string text = null;
        SerializationInfoEnumerator enumerator = info.GetEnumerator();
        while (enumerator.MoveNext())
        {
            SerializationEntry current = enumerator.Current;
            if (current.Name == "version")
            {
                text = (string)current.Value;
            }
        }
        if (text == null)
        {
            _message = CreateMessage(_res, _args);
        }
        else
        {
            _message = null;
        }
    }
 
    public override void GetObjectData(SerializationInfo info, StreamingContext context)
    {
        base.GetObjectData(info, context);
        info.AddValue("res", _res);
        info.AddValue("args", _args);
        info.AddValue("sourceUri", _sourceUri);
        info.AddValue("lineNumber", _lineNumber);
        info.AddValue("linePosition", _linePosition);
        info.AddValue("version", "2.0");
    }
 
    public XmlSchemaException()
        : this(null)
    {
    }
 
    public XmlSchemaException(string? message)
        : this(message, (Exception?)null, 0, 0)
    {
    }
 
    public XmlSchemaException(string? message, Exception? innerException)
        : this(message, innerException, 0, 0)
    {
    }
 
    public XmlSchemaException(string? message, Exception? innerException, int lineNumber, int linePosition)
        : this((message == null) ? System.SR.Sch_DefaultException : System.SR.Xml_UserException, new string[1] { message }, innerException, null, lineNumber, linePosition, null)
    {
    }
 
    internal XmlSchemaException(string res, string[] args)
        : this(res, args, null, null, 0, 0, null)
    {
    }
 
    internal XmlSchemaException(string res, string arg)
        : this(res, new string[1] { arg }, null, null, 0, 0, null)
    {
    }
 
    internal XmlSchemaException(string res, string arg, string sourceUri, int lineNumber, int linePosition)
        : this(res, new string[1] { arg }, null, sourceUri, lineNumber, linePosition, null)
    {
    }
 
    internal XmlSchemaException(string res, string sourceUri, int lineNumber, int linePosition)
        : this(res, null, null, sourceUri, lineNumber, linePosition, null)
    {
    }
 
    internal XmlSchemaException(string res, string[] args, string sourceUri, int lineNumber, int linePosition)
        : this(res, args, null, sourceUri, lineNumber, linePosition, null)
    {
    }
 
    internal XmlSchemaException(string res, XmlSchemaObject source)
        : this(res, (string[])null, source)
    {
    }
 
    internal XmlSchemaException(string res, string arg, XmlSchemaObject source)
        : this(res, new string[1] { arg }, source)
    {
    }
 
    internal XmlSchemaException(string res, string[] args, XmlSchemaObject source)
        : this(res, args, null, source.SourceUri, source.LineNumber, source.LinePosition, source)
    {
    }
 
    internal XmlSchemaException(string res, string[] args, Exception innerException, string sourceUri, int lineNumber, int linePosition, XmlSchemaObject source)
        : base(CreateMessage(res, args), innerException)
    {
        base.HResult = -2146231999;
        _res = res;
        _args = args;
        _sourceUri = sourceUri;
        _lineNumber = lineNumber;
        _linePosition = linePosition;
        _sourceSchemaObject = source;
    }
 
    internal static string CreateMessage(string res, string[] args)
    {
        try
        {
            if (args == null)
            {
                return res;
            }
            return string.Format(res ?? string.Empty, args);
        }
        catch (MissingManifestResourceException)
        {
            return "UNKNOWN(" + res + ")";
        }
    }
 
    internal void SetSource(string sourceUri, int lineNumber, int linePosition)
    {
        _sourceUri = sourceUri;
        _lineNumber = lineNumber;
        _linePosition = linePosition;
    }
 
    internal void SetSchemaObject(XmlSchemaObject source)
    {
        _sourceSchemaObject = source;
    }
 
    internal void SetSource(XmlSchemaObject source)
    {
        _sourceSchemaObject = source;
        _sourceUri = source.SourceUri;
        _lineNumber = source.LineNumber;
        _linePosition = source.LinePosition;
    }
}