XmlSchemaException.cs

using System.Resources;
using System.Runtime.Serialization;
using System.Security.Permissions;

namespace System.Xml.Schema
{
    [Serializable]
    public class XmlSchemaException : SystemException
    {
        private string res;

        private string[] args;

        private string sourceUri;

        private int lineNumber;

        private int linePosition;

        [NonSerialized]
        private XmlSchemaObject sourceSchemaObject;

        private 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;
            }
        }

        [SecurityPermission(SecurityAction.LinkDemand, SerializationFormatter = true)]
        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) ? "Sch_DefaultException" : "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;
            this.res = res;
            this.args = args;
            this.sourceUri = sourceUri;
            this.lineNumber = lineNumber;
            this.linePosition = linePosition;
            sourceSchemaObject = source;
        }

        internal static string CreateMessage(string res, string[] args)
        {
            try
            {
                return Res.GetString(res, args);
            }
            catch (MissingManifestResourceException)
            {
                return "UNKNOWN(" + res + ")";
            }
        }

        internal void SetSource(string sourceUri, int lineNumber, int linePosition)
        {
            this.sourceUri = sourceUri;
            this.lineNumber = lineNumber;
            this.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;
        }

        internal void SetResourceId(string resourceId)
        {
            res = resourceId;
        }
    }
}