XmlReaderDelegator.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / XmlReaderDelegator.cs / 2 / XmlReaderDelegator.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.Runtime.Serialization 
{
    using System; 
    using System.Diagnostics.CodeAnalysis; 
    using System.Xml;
    using System.Xml.Schema; 
    using System.Xml.Serialization;
    using System.Reflection;
    using System.Globalization;
    using System.Collections.Generic; 

#if USE_REFEMIT 
    public class XmlReaderDelegator 
#else
    internal class XmlReaderDelegator 
#endif
    {
        protected XmlReader reader;
        protected XmlDictionaryReader dictionaryReader; 
        protected bool isEndOfEmptyElement = false;
 
        public XmlReaderDelegator(XmlReader reader) 
        {
            XmlObjectSerializer.CheckNull(reader, "reader"); 
            this.reader = reader;
            this.dictionaryReader = reader as XmlDictionaryReader;
        }
 
        internal XmlReader UnderlyingReader
        { 
            get { return reader; } 
        }
 
        internal ExtensionDataReader UnderlyingExtensionDataReader
        {
            get { return reader as ExtensionDataReader; }
        } 

        internal int AttributeCount 
        { 
            get { return isEndOfEmptyElement ? 0 : reader.AttributeCount; }
        } 

        internal string GetAttribute(string name)
        {
            return isEndOfEmptyElement ? null : reader.GetAttribute(name); 
        }
 
        internal string GetAttribute(string name, string namespaceUri) 
        {
            return isEndOfEmptyElement ? null : reader.GetAttribute(name, namespaceUri); 
        }

        internal string GetAttribute(int i)
        { 
            if (isEndOfEmptyElement)
                throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("i", SR.GetString(SR.XmlElementAttributes))); 
            return reader.GetAttribute(i); 
        }
 
        internal bool IsEmptyElement
        {
            get { return false; }
        } 

        internal bool IsNamespaceURI(string ns) 
        { 
            if (dictionaryReader == null)
                return ns == reader.NamespaceURI; 
            else
                return dictionaryReader.IsNamespaceUri(ns);
        }
 
        internal bool IsLocalName(string localName)
        { 
            if (dictionaryReader == null) 
                return localName == reader.LocalName;
            else 
                return dictionaryReader.IsLocalName(localName);
        }

        internal bool IsNamespaceUri(XmlDictionaryString ns) 
        {
            if (dictionaryReader == null) 
                return ns.Value == reader.NamespaceURI; 
            else
                return dictionaryReader.IsNamespaceUri(ns); 
        }

        internal bool IsLocalName(XmlDictionaryString localName)
        { 
            if (dictionaryReader == null)
                return localName.Value == reader.LocalName; 
            else 
                return dictionaryReader.IsLocalName(localName);
        } 

        internal int IndexOfLocalName(XmlDictionaryString[] localNames, XmlDictionaryString ns)
        {
            if (dictionaryReader != null) 
                return dictionaryReader.IndexOfLocalName(localNames, ns);
 
            if (reader.NamespaceURI == ns.Value) 
            {
                string localName = this.LocalName; 
                for (int i = 0; i < localNames.Length; i++)
                {
                    if (localName == localNames[i].Value)
                    { 
                        return i;
                    } 
                } 
            }
 
            return -1;
        }

#if USE_REFEMIT 
        public bool IsStartElement()
#else 
        internal bool IsStartElement() 
#endif
        { 
            return !isEndOfEmptyElement && reader.IsStartElement();
        }

        internal bool IsStartElement(string localname, string ns) 
        {
            return !isEndOfEmptyElement && reader.IsStartElement(localname, ns); 
        } 

#if USE_REFEMIT 
        public bool IsStartElement(XmlDictionaryString localname, XmlDictionaryString ns)
#else
        internal bool IsStartElement(XmlDictionaryString localname, XmlDictionaryString ns)
#endif 
        {
            if (dictionaryReader == null) 
                return !isEndOfEmptyElement && reader.IsStartElement(localname.Value, ns.Value); 
            else
                return !isEndOfEmptyElement && dictionaryReader.IsStartElement(localname, ns); 
        }

        internal bool MoveToAttribute(string name)
        { 
            return isEndOfEmptyElement ? false : reader.MoveToAttribute(name);
        } 
 
        internal bool MoveToAttribute(string name, string ns)
        { 
            return isEndOfEmptyElement ? false : reader.MoveToAttribute(name, ns);
        }

        internal void MoveToAttribute(int i) 
        {
            if (isEndOfEmptyElement) 
                throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("i", SR.GetString(SR.XmlElementAttributes))); 
            reader.MoveToAttribute(i);
        } 

        internal bool MoveToElement()
        {
            return isEndOfEmptyElement ? false : reader.MoveToElement(); 
        }
 
        internal bool MoveToFirstAttribute() 
        {
            return isEndOfEmptyElement ? false : reader.MoveToFirstAttribute(); 
        }

        internal bool MoveToNextAttribute()
        { 
            return isEndOfEmptyElement ? false : reader.MoveToNextAttribute();
        } 
 
#if USE_REFEMIT
        public XmlNodeType NodeType 
#else
        internal XmlNodeType NodeType
#endif
        { 
            get { return isEndOfEmptyElement ? XmlNodeType.EndElement : reader.NodeType; }
        } 
 
        internal bool Read()
        { 
            //reader.MoveToFirstAttribute();
            //if (NodeType == XmlNodeType.Attribute)
            reader.MoveToElement();
            if (!reader.IsEmptyElement) 
                return reader.Read();
            if (isEndOfEmptyElement) 
            { 
                isEndOfEmptyElement = false;
                return reader.Read(); 
            }
            isEndOfEmptyElement = true;
            return true;
        } 

        internal XmlNodeType MoveToContent() 
        { 
            if (isEndOfEmptyElement)
                return XmlNodeType.EndElement; 

            return reader.MoveToContent();
        }
 
        internal bool ReadAttributeValue()
        { 
            return isEndOfEmptyElement ? false : reader.ReadAttributeValue(); 
        }
 
#if USE_REFEMIT
        public void ReadEndElement()
#else
        internal void ReadEndElement() 
#endif
        { 
            if (isEndOfEmptyElement) 
                Read();
            else 
                reader.ReadEndElement();
        }

        Exception CreateInvalidPrimitiveTypeException(Type type) 
        {
            return new InvalidDataContractException(SR.GetString( 
                type.IsInterface ? SR.InterfaceTypeCannotBeCreated : SR.InvalidPrimitiveType, 
                DataContract.GetClrTypeFullName(type)));
        } 

#if USE_REFEMIT
        public object ReadElementContentAsAnyType(Type valueType)
#else 
        internal object ReadElementContentAsAnyType(Type valueType)
#endif 
        { 
            Read();
            object o = ReadContentAsAnyType(valueType); 
            ReadEndElement();
            return o;
        }
 
        internal object ReadContentAsAnyType(Type valueType)
        { 
            switch (Type.GetTypeCode(valueType)) 
            {
                case TypeCode.Boolean: 
                    return ReadContentAsBoolean();
                case TypeCode.Char:
                    return ReadContentAsChar();
                case TypeCode.Byte: 
                    return ReadContentAsUnsignedByte();
                case TypeCode.Int16: 
                    return ReadContentAsShort(); 
                case TypeCode.Int32:
                    return ReadContentAsInt(); 
                case TypeCode.Int64:
                    return ReadContentAsLong();
                case TypeCode.Single:
                    return ReadContentAsSingle(); 
                case TypeCode.Double:
                    return ReadContentAsDouble(); 
                case TypeCode.Decimal: 
                    return ReadContentAsDecimal();
                case TypeCode.DateTime: 
                    return ReadContentAsDateTime();
                case TypeCode.String:
                    return ReadContentAsString();
 
                case TypeCode.SByte:
                    return ReadContentAsSignedByte(); 
                case TypeCode.UInt16: 
                    return ReadContentAsUnsignedShort();
                case TypeCode.UInt32: 
                    return ReadContentAsUnsignedInt();
                case TypeCode.UInt64:
                    return ReadContentAsUnsignedLong();
                case TypeCode.Empty: 
                case TypeCode.DBNull:
                case TypeCode.Object: 
                default: 
                    if (valueType == Globals.TypeOfByteArray)
                        return ReadContentAsBase64(); 
                    else if (valueType == Globals.TypeOfObject)
                        return new object();
                    else if (valueType == Globals.TypeOfTimeSpan)
                        return ReadContentAsTimeSpan(); 
                    else if (valueType == Globals.TypeOfGuid)
                        return ReadContentAsGuid(); 
                    else if (valueType == Globals.TypeOfUri) 
                        return ReadContentAsUri();
                    else if (valueType == Globals.TypeOfXmlQualifiedName) 
                        return ReadContentAsQName();
                    break;
            }
            throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateInvalidPrimitiveTypeException(valueType)); 
        }
 
        internal IDataNode ReadExtensionData(Type valueType) 
        {
            switch (Type.GetTypeCode(valueType)) 
            {
                case TypeCode.Boolean:
                    return new DataNode(ReadContentAsBoolean());
                case TypeCode.Char: 
                    return new DataNode(ReadContentAsChar());
                case TypeCode.Byte: 
                    return new DataNode(ReadContentAsUnsignedByte()); 
                case TypeCode.Int16:
                    return new DataNode(ReadContentAsShort()); 
                case TypeCode.Int32:
                    return new DataNode(ReadContentAsInt());
                case TypeCode.Int64:
                    return new DataNode(ReadContentAsLong()); 
                case TypeCode.Single:
                    return new DataNode(ReadContentAsSingle()); 
                case TypeCode.Double: 
                    return new DataNode(ReadContentAsDouble());
                case TypeCode.Decimal: 
                    return new DataNode(ReadContentAsDecimal());
                case TypeCode.DateTime:
                    return new DataNode(ReadContentAsDateTime());
                case TypeCode.String: 
                    return new DataNode(ReadContentAsString());
                case TypeCode.SByte: 
                    return new DataNode(ReadContentAsSignedByte()); 
                case TypeCode.UInt16:
                    return new DataNode(ReadContentAsUnsignedShort()); 
                case TypeCode.UInt32:
                    return new DataNode(ReadContentAsUnsignedInt());
                case TypeCode.UInt64:
                    return new DataNode(ReadContentAsUnsignedLong()); 
                case TypeCode.Empty:
                case TypeCode.DBNull: 
                case TypeCode.Object: 
                default:
                    if (valueType == Globals.TypeOfByteArray) 
                        return new DataNode(ReadContentAsBase64());
                    else if (valueType == Globals.TypeOfObject)
                        return new DataNode(new object());
                    else if (valueType == Globals.TypeOfTimeSpan) 
                        return new DataNode(ReadContentAsTimeSpan());
                    else if (valueType == Globals.TypeOfGuid) 
                        return new DataNode(ReadContentAsGuid()); 
                    else if (valueType == Globals.TypeOfUri)
                        return new DataNode(ReadContentAsUri()); 
                    else if (valueType == Globals.TypeOfXmlQualifiedName)
                        return new DataNode(ReadContentAsQName());
                    break;
            } 
            throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateInvalidPrimitiveTypeException(valueType));
        } 
 
        void ThrowConversionException(string value, string type)
        { 
            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(XmlObjectSerializer.TryAddLineInfo(this, SR.GetString(SR.XmlInvalidConversion, value, type))));
        }

        void ThrowNotAtElement() 
        {
            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.XmlStartElementExpected, "EndElement"))); 
        } 

#if USE_REFEMIT 
        public virtual char ReadElementContentAsChar()
#else
        internal virtual char ReadElementContentAsChar()
#endif 
        {
            return ToChar(ReadElementContentAsInt()); 
        } 

        internal virtual char ReadContentAsChar() 
        {
            return ToChar(ReadContentAsInt());
        }
 
        char ToChar(int value)
        { 
            if (value < char.MinValue || value > char.MaxValue) 
            {
                ThrowConversionException(value.ToString(NumberFormatInfo.CurrentInfo), "Char"); 
            }
            return (char)value;
        }
 
#if USE_REFEMIT
        public string ReadElementContentAsString() 
#else 
        internal string ReadElementContentAsString()
#endif 
        {
            if (isEndOfEmptyElement)
                ThrowNotAtElement();
 
            return reader.ReadElementContentAsString();
        } 
 
        internal string ReadContentAsString()
        { 
            return isEndOfEmptyElement ? String.Empty : reader.ReadContentAsString();
        }

#if USE_REFEMIT 
        public bool ReadElementContentAsBoolean()
#else 
        internal bool ReadElementContentAsBoolean() 
#endif
        { 
            if (isEndOfEmptyElement)
                ThrowNotAtElement();

            return reader.ReadElementContentAsBoolean(); 
        }
 
        internal bool ReadContentAsBoolean() 
        {
            if (isEndOfEmptyElement) 
                ThrowConversionException(string.Empty, "Boolean");

            return reader.ReadContentAsBoolean();
        } 

#if USE_REFEMIT 
        public float ReadElementContentAsFloat() 
#else
        internal float ReadElementContentAsFloat() 
#endif
        {
            if (isEndOfEmptyElement)
                ThrowNotAtElement(); 

            return reader.ReadElementContentAsFloat(); 
        } 

        internal float ReadContentAsSingle() 
        {
            if (isEndOfEmptyElement)
                ThrowConversionException(string.Empty, "Float");
 
            return reader.ReadContentAsFloat();
        } 
 
#if USE_REFEMIT
        public double ReadElementContentAsDouble() 
#else
        internal double ReadElementContentAsDouble()
#endif
        { 
            if (isEndOfEmptyElement)
                ThrowNotAtElement(); 
 
            return reader.ReadElementContentAsDouble();
        } 

        internal double ReadContentAsDouble()
        {
            if (isEndOfEmptyElement) 
                ThrowConversionException(string.Empty, "Double");
 
            return reader.ReadContentAsDouble(); 
        }
 
#if USE_REFEMIT
        public decimal ReadElementContentAsDecimal()
#else
        internal decimal ReadElementContentAsDecimal() 
#endif
        { 
            if (isEndOfEmptyElement) 
                ThrowNotAtElement();
 
            return reader.ReadElementContentAsDecimal();
        }

        internal decimal ReadContentAsDecimal() 
        {
            if (isEndOfEmptyElement) 
                ThrowConversionException(string.Empty, "Decimal"); 

            return reader.ReadContentAsDecimal(); 
        }

#if USE_REFEMIT
        public virtual byte[] ReadElementContentAsBase64() 
#else
        internal virtual byte[] ReadElementContentAsBase64() 
#endif 
        {
            if (isEndOfEmptyElement) 
                ThrowNotAtElement();

            if (dictionaryReader == null)
            { 
                return ReadContentAsBase64(reader.ReadElementContentAsString());
            } 
            else 
            {
                return dictionaryReader.ReadElementContentAsBase64(); 
            }
        }

#if USE_REFEMIT 
        public virtual byte[] ReadContentAsBase64()
#else 
        internal virtual byte[] ReadContentAsBase64() 
#endif
        { 
            if (isEndOfEmptyElement)
                return new byte[0];

            if (dictionaryReader == null) 
            {
                return ReadContentAsBase64(reader.ReadContentAsString()); 
            } 
            else
            { 
                return dictionaryReader.ReadContentAsBase64();
            }
        }
 
        internal byte[] ReadContentAsBase64(string str)
        { 
            if (str == null) 
                return null;
            str = str.Trim(); 
            if (str.Length == 0)
                return new byte[0];

            try 
            {
                return Convert.FromBase64String(str); 
            } 
            catch (ArgumentException exception)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "byte[]", exception));
            }
            catch (FormatException exception)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "byte[]", exception));
            } 
        } 

#if USE_REFEMIT 
        public virtual DateTime ReadElementContentAsDateTime()
#else
        internal virtual DateTime ReadElementContentAsDateTime()
#endif 
        {
            if (isEndOfEmptyElement) 
                ThrowNotAtElement(); 

            return reader.ReadElementContentAsDateTime(); 
        }

        internal virtual DateTime ReadContentAsDateTime()
        { 
            if (isEndOfEmptyElement)
                ThrowConversionException(string.Empty, "DateTime"); 
 
            return reader.ReadContentAsDateTime();
        } 

#if USE_REFEMIT
        public int ReadElementContentAsInt()
#else 
        internal int ReadElementContentAsInt()
#endif 
        { 
            if (isEndOfEmptyElement)
                ThrowNotAtElement(); 

            return reader.ReadElementContentAsInt();
        }
 
        internal int ReadContentAsInt()
        { 
            if (isEndOfEmptyElement) 
                ThrowConversionException(string.Empty, "Int32");
 
            return reader.ReadContentAsInt();
        }

#if USE_REFEMIT 
        public long ReadElementContentAsLong()
#else 
        internal long ReadElementContentAsLong() 
#endif
        { 
            if (isEndOfEmptyElement)
                ThrowNotAtElement();

            return reader.ReadElementContentAsLong(); 
        }
 
        internal long ReadContentAsLong() 
        {
            if (isEndOfEmptyElement) 
                ThrowConversionException(string.Empty, "Int64");

            return reader.ReadContentAsLong();
        } 

#if USE_REFEMIT 
        public short ReadElementContentAsShort() 
#else
        internal short ReadElementContentAsShort() 
#endif
        {
            return ToShort(ReadElementContentAsInt());
        } 

        internal short ReadContentAsShort() 
        { 
            return ToShort(ReadContentAsInt());
        } 

        short ToShort(int value)
        {
            if (value < short.MinValue || value > short.MaxValue) 
            {
                ThrowConversionException(value.ToString(NumberFormatInfo.CurrentInfo), "Int16"); 
            } 
            return (short)value;
        } 

#if USE_REFEMIT
        public byte ReadElementContentAsUnsignedByte()
#else 
        internal byte ReadElementContentAsUnsignedByte()
#endif 
        { 
            return ToByte(ReadElementContentAsInt());
        } 

        internal byte ReadContentAsUnsignedByte()
        {
            return ToByte(ReadContentAsInt()); 
        }
 
        byte ToByte(int value) 
        {
            if (value < byte.MinValue || value > byte.MaxValue) 
            {
                ThrowConversionException(value.ToString(NumberFormatInfo.CurrentInfo), "Byte");
            }
            return (byte)value; 
        }
 
#if USE_REFEMIT 
        [CLSCompliant(false)]
        public SByte ReadElementContentAsSignedByte() 
#else
        internal SByte ReadElementContentAsSignedByte()
#endif
        { 
            return ToSByte(ReadElementContentAsInt());
        } 
 
        internal SByte ReadContentAsSignedByte()
        { 
            return ToSByte(ReadContentAsInt());
        }

        SByte ToSByte(int value) 
        {
            if (value < SByte.MinValue || value > SByte.MaxValue) 
            { 
                ThrowConversionException(value.ToString(NumberFormatInfo.CurrentInfo), "SByte");
            } 
            return (SByte)value;
        }

#if USE_REFEMIT 
        [CLSCompliant(false)]
        public UInt32 ReadElementContentAsUnsignedInt() 
#else 
        internal UInt32 ReadElementContentAsUnsignedInt()
#endif 
        {
            return ToUInt32(ReadElementContentAsLong());
        }
 
        internal UInt32 ReadContentAsUnsignedInt()
        { 
            return ToUInt32(ReadContentAsLong()); 
        }
 
        UInt32 ToUInt32(long value)
        {
            if (value < UInt32.MinValue || value > UInt32.MaxValue)
            { 
                ThrowConversionException(value.ToString(NumberFormatInfo.CurrentInfo), "UInt32");
            } 
            return (UInt32)value; 
        }
 
#if USE_REFEMIT
        [CLSCompliant(false)]
        public virtual UInt64 ReadElementContentAsUnsignedLong()
#else 
        internal virtual UInt64 ReadElementContentAsUnsignedLong()
#endif 
        { 
            if (isEndOfEmptyElement)
                ThrowNotAtElement(); 

            string str = reader.ReadElementContentAsString();

            if (str == null || str.Length == 0) 
                ThrowConversionException(string.Empty, "UInt64");
 
            return XmlConverter.ToUInt64(str); 
        }
 
        internal virtual UInt64 ReadContentAsUnsignedLong()
        {
            string str = reader.ReadContentAsString();
 
            if (str == null || str.Length == 0)
                ThrowConversionException(string.Empty, "UInt64"); 
 
            return XmlConverter.ToUInt64(str);
        } 

#if USE_REFEMIT
        [CLSCompliant(false)]
        public UInt16 ReadElementContentAsUnsignedShort() 
#else
        internal UInt16 ReadElementContentAsUnsignedShort() 
#endif 
        {
            return ToUInt16(ReadElementContentAsInt()); 
        }

        internal UInt16 ReadContentAsUnsignedShort()
        { 
            return ToUInt16(ReadContentAsInt());
        } 
 
        UInt16 ToUInt16(int value)
        { 
            if (value < UInt16.MinValue || value > UInt16.MaxValue)
            {
                ThrowConversionException(value.ToString(NumberFormatInfo.CurrentInfo), "UInt16");
            } 
            return (UInt16)value;
        } 
 
#if USE_REFEMIT
        public TimeSpan ReadElementContentAsTimeSpan() 
#else
        internal TimeSpan ReadElementContentAsTimeSpan()
#endif
        { 
            if (isEndOfEmptyElement)
                ThrowNotAtElement(); 
 
            string str = reader.ReadElementContentAsString();
            return XmlConverter.ToTimeSpan(str); 
        }

        internal TimeSpan ReadContentAsTimeSpan()
        { 
            string str = reader.ReadContentAsString();
            return XmlConverter.ToTimeSpan(str); 
        } 

        [SuppressMessage("Reliability", "Reliability113", Justification = "Catching expected exceptions inline instead of calling Utility.CreateGuid to minimize code change")] 
#if USE_REFEMIT
        public Guid ReadElementContentAsGuid()
#else
        internal Guid ReadElementContentAsGuid() 
#endif
        { 
            if (isEndOfEmptyElement) 
                ThrowNotAtElement();
 
            string str = reader.ReadElementContentAsString();
            try
            {
                return new Guid(str); 
            }
            catch (ArgumentException exception) 
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "Guid", exception));
            } 
            catch (FormatException exception)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "Guid", exception));
            } 
            catch (OverflowException exception)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "Guid", exception)); 
            }
        } 

        [SuppressMessage("Reliability", "Reliability113", Justification = "Catching expected exceptions inline instead of calling Utility.CreateGuid to minimize code change")]
        internal Guid ReadContentAsGuid()
        { 
            string str = reader.ReadContentAsString();
            try 
            { 
                return new Guid(str);
            } 
            catch (ArgumentException exception)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "Guid", exception));
            } 
            catch (FormatException exception)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "Guid", exception)); 
            }
            catch (OverflowException exception) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "Guid", exception));
            }
        } 

#if USE_REFEMIT 
        public Uri ReadElementContentAsUri() 
#else
        internal Uri ReadElementContentAsUri() 
#endif
        {
            if (isEndOfEmptyElement)
                ThrowNotAtElement(); 

            string str = ReadElementContentAsString(); 
            try 
            {
                return new Uri(str, UriKind.RelativeOrAbsolute); 
            }
            catch (ArgumentException exception)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "Uri", exception)); 
            }
            catch (FormatException exception) 
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "Uri", exception));
            } 
        }

        internal Uri ReadContentAsUri()
        { 
            string str = ReadContentAsString();
            try 
            { 
                return new Uri(str, UriKind.RelativeOrAbsolute);
            } 
            catch (ArgumentException exception)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "Uri", exception));
            } 
            catch (FormatException exception)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(str, "Uri", exception)); 
            }
        } 

#if USE_REFEMIT
        public XmlQualifiedName ReadElementContentAsQName()
#else 
        internal XmlQualifiedName ReadElementContentAsQName()
#endif 
        { 
            Read();
            XmlQualifiedName obj = ReadContentAsQName(); 
            ReadEndElement();
            return obj;
        }
 
        internal virtual XmlQualifiedName ReadContentAsQName()
        { 
            return ParseQualifiedName(ReadContentAsString()); 
        }
 
        XmlQualifiedName ParseQualifiedName(string str)
        {
            string name, ns, prefix;
            if (str == null || str.Length == 0) 
                name = ns = String.Empty;
            else 
                XmlObjectSerializerReadContext.ParseQualifiedName(str, this, out name, out ns, out prefix); 
            return new XmlQualifiedName(name, ns);
        } 

        void CheckExpectedArrayLength(XmlObjectSerializerReadContext context, int arrayLength)
        {
#if NO 
            int readerArrayLength;
            if (dictionaryReader.TryGetArrayLength(out readerArrayLength)) 
            { 
                if (readerArrayLength != arrayLength)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.ArraySizeXmlMismatch, arrayLength, readerArrayLength))); 
            }
#endif
            context.IncrementItemCount(arrayLength);
        } 

        protected int GetArrayLengthQuota(XmlObjectSerializerReadContext context) 
        { 
            if (dictionaryReader.Quotas == null)
                return context.RemainingItemCount; 

            return Math.Min(context.RemainingItemCount, dictionaryReader.Quotas.MaxArrayLength);
        }
 
        void CheckActualArrayLength(int expectedLength, int actualLength, XmlDictionaryString itemName, XmlDictionaryString itemNamespace)
        { 
            if (expectedLength != actualLength) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.ArrayExceededSizeAttribute, expectedLength, itemName.Value, itemNamespace.Value)));
        } 

        internal bool TryReadBooleanArray(XmlObjectSerializerReadContext context,
            XmlDictionaryString itemName, XmlDictionaryString itemNamespace,
            int arrayLength, out bool[] array) 
        {
            if (dictionaryReader == null) 
            { 
                array = null;
                return false; 
            }

            if (arrayLength != -1)
            { 
                CheckExpectedArrayLength(context, arrayLength);
                array = new bool[arrayLength]; 
                int read = 0, offset = 0; 
                while ((read = dictionaryReader.ReadArray(itemName, itemNamespace, array, offset, arrayLength - offset)) > 0)
                { 
                    offset += read;
                }
                CheckActualArrayLength(arrayLength, offset, itemName, itemNamespace);
            } 
            else
            { 
                array = BooleanArrayHelperWithDictionaryString.Instance.ReadArray( 
                    dictionaryReader, itemName, itemNamespace, GetArrayLengthQuota(context));
                context.IncrementItemCount(array.Length); 
            }
            return true;
        }
 
        internal bool TryReadDateTimeArray(XmlObjectSerializerReadContext context,
            XmlDictionaryString itemName, XmlDictionaryString itemNamespace, 
            int arrayLength, out DateTime[] array) 
        {
            if (dictionaryReader == null) 
            {
                array = null;
                return false;
            } 

            if (arrayLength != -1) 
            { 
                CheckExpectedArrayLength(context, arrayLength);
                array = new DateTime[arrayLength]; 
                int read = 0, offset = 0;
                while ((read = dictionaryReader.ReadArray(itemName, itemNamespace, array, offset, arrayLength - offset)) > 0)
                {
                    offset += read; 
                }
                CheckActualArrayLength(arrayLength, offset, itemName, itemNamespace); 
            } 
            else
            { 
                array = DateTimeArrayHelperWithDictionaryString.Instance.ReadArray(
                    dictionaryReader, itemName, itemNamespace, GetArrayLengthQuota(context));
                context.IncrementItemCount(array.Length);
            } 
            return true;
        } 
 
        internal bool TryReadDecimalArray(XmlObjectSerializerReadContext context,
            XmlDictionaryString itemName, XmlDictionaryString itemNamespace, 
            int arrayLength, out decimal[] array)
        {
            if (dictionaryReader == null)
            { 
                array = null;
                return false; 
            } 

            if (arrayLength != -1) 
            {
                CheckExpectedArrayLength(context, arrayLength);
                array = new decimal[arrayLength];
                int read = 0, offset = 0; 
                while ((read = dictionaryReader.ReadArray(itemName, itemNamespace, array, offset, arrayLength - offset)) > 0)
                { 
                    offset += read; 
                }
                CheckActualArrayLength(arrayLength, offset, itemName, itemNamespace); 
            }
            else
            {
                array = DecimalArrayHelperWithDictionaryString.Instance.ReadArray( 
                    dictionaryReader, itemName, itemNamespace, GetArrayLengthQuota(context));
                context.IncrementItemCount(array.Length); 
            } 
            return true;
        } 

        internal bool TryReadInt32Array(XmlObjectSerializerReadContext context,
            XmlDictionaryString itemName, XmlDictionaryString itemNamespace,
            int arrayLength, out int[] array) 
        {
            if (dictionaryReader == null) 
            { 
                array = null;
                return false; 
            }

            if (arrayLength != -1)
            { 
                CheckExpectedArrayLength(context, arrayLength);
                array = new int[arrayLength]; 
                int read = 0, offset = 0; 
                while ((read = dictionaryReader.ReadArray(itemName, itemNamespace, array, offset, arrayLength - offset)) > 0)
                { 
                    offset += read;
                }
                CheckActualArrayLength(arrayLength, offset, itemName, itemNamespace);
            } 
            else
            { 
                array = Int32ArrayHelperWithDictionaryString.Instance.ReadArray( 
                    dictionaryReader, itemName, itemNamespace, GetArrayLengthQuota(context));
                context.IncrementItemCount(array.Length); 
            }
            return true;
        }
 
        internal bool TryReadInt64Array(XmlObjectSerializerReadContext context,
            XmlDictionaryString itemName, XmlDictionaryString itemNamespace, 
            int arrayLength, out long[] array) 
        {
            if (dictionaryReader == null) 
            {
                array = null;
                return false;
            } 

            if (arrayLength != -1) 
            { 
                CheckExpectedArrayLength(context, arrayLength);
                array = new long[arrayLength]; 
                int read = 0, offset = 0;
                while ((read = dictionaryReader.ReadArray(itemName, itemNamespace, array, offset, arrayLength - offset)) > 0)
                {
                    offset += read; 
                }
                CheckActualArrayLength(arrayLength, offset, itemName, itemNamespace); 
            } 
            else
            { 
                array = Int64ArrayHelperWithDictionaryString.Instance.ReadArray(
                    dictionaryReader, itemName, itemNamespace, GetArrayLengthQuota(context));
                context.IncrementItemCount(array.Length);
            } 
            return true;
        } 
 
        internal bool TryReadSingleArray(XmlObjectSerializerReadContext context,
            XmlDictionaryString itemName, XmlDictionaryString itemNamespace, 
            int arrayLength, out float[] array)
        {
            if (dictionaryReader == null)
            { 
                array = null;
                return false; 
            } 

            if (arrayLength != -1) 
            {
                CheckExpectedArrayLength(context, arrayLength);
                array = new float[arrayLength];
                int read = 0, offset = 0; 
                while ((read = dictionaryReader.ReadArray(itemName, itemNamespace, array, offset, arrayLength - offset)) > 0)
                { 
                    offset += read; 
                }
                CheckActualArrayLength(arrayLength, offset, itemName, itemNamespace); 
            }
            else
            {
                array = SingleArrayHelperWithDictionaryString.Instance.ReadArray( 
                    dictionaryReader, itemName, itemNamespace, GetArrayLengthQuota(context));
                context.IncrementItemCount(array.Length); 
            } 
            return true;
        } 

        internal bool TryReadDoubleArray(XmlObjectSerializerReadContext context,
            XmlDictionaryString itemName, XmlDictionaryString itemNamespace,
            int arrayLength, out double[] array) 
        {
            if (dictionaryReader == null) 
            { 
                array = null;
                return false; 
            }

            if (arrayLength != -1)
            { 
                CheckExpectedArrayLength(context, arrayLength);
                array = new double[arrayLength]; 
                int read = 0, offset = 0; 
                while ((read = dictionaryReader.ReadArray(itemName, itemNamespace, array, offset, arrayLength - offset)) > 0)
                { 
                    offset += read;
                }
                CheckActualArrayLength(arrayLength, offset, itemName, itemNamespace);
            } 
            else
            { 
                array = DoubleArrayHelperWithDictionaryString.Instance.ReadArray( 
                    dictionaryReader, itemName, itemNamespace, GetArrayLengthQuota(context));
                context.IncrementItemCount(array.Length); 
            }
            return true;
        }
 
        internal IDictionary GetNamespacesInScope(XmlNamespaceScope scope)
        { 
            return (reader is IXmlNamespaceResolver) ? ((IXmlNamespaceResolver)reader).GetNamespacesInScope(scope) : null; 
        }
 
        // IXmlLineInfo members
        internal bool HasLineInfo()
        {
            IXmlLineInfo iXmlLineInfo = reader as IXmlLineInfo; 
            return (iXmlLineInfo == null) ? false : iXmlLineInfo.HasLineInfo();
        } 
 
        internal int LineNumber
        { 
            get
            {
                IXmlLineInfo iXmlLineInfo = reader as IXmlLineInfo;
                return (iXmlLineInfo == null) ? 0 : iXmlLineInfo.LineNumber; 
            }
        } 
 
        internal int LinePosition
        { 
            get
            {
                IXmlLineInfo iXmlLineInfo = reader as IXmlLineInfo;
                return (iXmlLineInfo == null) ? 0 : iXmlLineInfo.LinePosition; 
            }
        } 
 
        // IXmlTextParser members
        internal bool Normalized 
        {
            get
            {
                XmlTextReader xmlTextReader = reader as XmlTextReader; 
                if (xmlTextReader == null)
                { 
                    IXmlTextParser xmlTextParser = reader as IXmlTextParser; 
                    return (xmlTextParser == null) ? false : xmlTextParser.Normalized;
                } 
                else
                    return xmlTextReader.Normalization;
            }
            set 
            {
                XmlTextReader xmlTextReader = reader as XmlTextReader; 
                if (xmlTextReader == null) 
                {
                    IXmlTextParser xmlTextParser = reader as IXmlTextParser; 
                    if (xmlTextParser != null)
                        xmlTextParser.Normalized = value;
                }
                else 
                    xmlTextReader.Normalization = value;
            } 
        } 

        internal WhitespaceHandling WhitespaceHandling 
        {
            get
            {
                XmlTextReader xmlTextReader = reader as XmlTextReader; 
                if (xmlTextReader == null)
                { 
                    IXmlTextParser xmlTextParser = reader as IXmlTextParser; 
                    return (xmlTextParser == null) ? WhitespaceHandling.None : xmlTextParser.WhitespaceHandling;
                } 
                else
                    return xmlTextReader.WhitespaceHandling;
            }
            set 
            {
                XmlTextReader xmlTextReader = reader as XmlTextReader; 
                if (xmlTextReader == null) 
                {
                    IXmlTextParser xmlTextParser = reader as IXmlTextParser; 
                    if (xmlTextParser != null)
                        xmlTextParser.WhitespaceHandling = value;
                }
                else 
                    xmlTextReader.WhitespaceHandling = value;
            } 
        } 

        // delegating properties and methods 
        internal string Name { get { return reader.Name; } }
        internal string LocalName { get { return reader.LocalName; } }
        internal string NamespaceURI { get { return reader.NamespaceURI; } }
        internal string Value { get { return reader.Value; } } 
        internal Type ValueType { get { return reader.ValueType; } }
        internal int Depth { get { return reader.Depth; } } 
        internal string LookupNamespace(string prefix) { return reader.LookupNamespace(prefix); } 
        internal bool EOF { get { return reader.EOF; } }
 
        internal void Skip()
        {
            reader.Skip();
            isEndOfEmptyElement = false; 
        }
 
#if NotUsed 
        internal XmlReaderSettings Settings { get { return reader.Settings; } }
        internal string Prefix { get { return reader.Prefix; } } 
        internal bool HasValue { get { return reader.HasValue; } }
        internal string BaseURI { get { return reader.BaseURI; } }
        internal bool IsDefault { get { return reader.IsDefault; } }
        internal char QuoteChar { get { return reader.QuoteChar; } } 
        internal XmlSpace XmlSpace { get { return reader.XmlSpace; } }
        internal string XmlLang { get { return reader.XmlLang; } } 
        internal IXmlSchemaInfo SchemaInfo { get { return reader.SchemaInfo; } } 
        internal string this[int i] { get { return reader[i]; } }
        internal string this[string name] { get { return reader[name]; } } 
        internal string this[string name, string namespaceURI] { get { return reader[name, namespaceURI]; } }
        internal ReadState ReadState { get { return reader.ReadState; } }
        internal XmlNameTable NameTable { get { return reader.NameTable; } }
        internal bool CanResolveEntity { get { return reader.CanResolveEntity; } } 
        internal bool CanReadBinaryContent { get { return reader.CanReadBinaryContent; } }
        internal bool CanReadValueChunk { get { return reader.CanReadValueChunk; } } 
        internal bool HasAttributes { get { return reader.HasAttributes; } } 
        internal bool IsStartElement(string name) { return reader.IsStartElement(name); }
        internal void ResolveEntity() { reader.ResolveEntity(); } 
        internal string ReadInnerXml() { return reader.ReadInnerXml(); }
        internal string ReadOuterXml() { return reader.ReadOuterXml(); }
        internal object ReadContentAsObject() { return reader.ReadContentAsObject(); }
        internal object ReadContentAs(Type returnType, IXmlNamespaceResolver namespaceResolver) { return reader.ReadContentAs(returnType, namespaceResolver); } 
        internal object ReadElementContentAsObject() { return reader.ReadElementContentAsObject(); }
        internal object ReadElementContentAsObject(string localName, string namespaceURI) { return reader.ReadElementContentAsObject(localName, namespaceURI); } 
        internal bool ReadElementContentAsBoolean(string localName, string namespaceURI) { return reader.ReadElementContentAsBoolean(localName, namespaceURI); } 
        internal DateTime ReadElementContentAsDateTime(string localName, string namespaceURI) { return reader.ReadElementContentAsDateTime(localName, namespaceURI); }
        internal double ReadElementContentAsDouble(string localName, string namespaceURI) { return reader.ReadElementContentAsDouble(localName, namespaceURI); } 
        internal int ReadElementContentAsInt(string localName, string namespaceURI) { return reader.ReadElementContentAsInt(localName, namespaceURI); }
        internal long ReadElementContentAsLong(string localName, string namespaceURI) { return reader.ReadElementContentAsLong(localName, namespaceURI); }
        internal string ReadElementContentAsString(string localName, string namespaceURI) { return reader.ReadElementContentAsString(localName, namespaceURI); }
        internal object ReadElementContentAs(Type returnType, IXmlNamespaceResolver namespaceResolver) { return reader.ReadElementContentAs(returnType, namespaceResolver); } 
        internal object ReadElementContentAs(Type returnType, IXmlNamespaceResolver namespaceResolver, string localName, string namespaceURI) { return reader.ReadElementContentAs(returnType, namespaceResolver, localName, namespaceURI); }
        internal int ReadContentAsBase64(byte[] buffer, int index, int count) { return reader.ReadContentAsBase64(buffer, index, count); } 
        internal int ReadElementContentAsBase64(byte[] buffer, int index, int count) { return reader.ReadElementContentAsBase64(buffer, index, count); } 
        internal int ReadContentAsBinHex(byte[] buffer, int index, int count) { return reader.ReadContentAsBinHex(buffer, index, count); }
        internal int ReadElementContentAsBinHex(byte[] buffer, int index, int count) { return reader.ReadElementContentAsBinHex(buffer, index, count); } 
        internal int ReadValueChunk(char[] buffer, int index, int count) { return reader.ReadValueChunk(buffer, index, count); }
        internal string ReadString() { return reader.ReadString(); }
        internal string ReadElementString() { return reader.ReadElementString(); }
        internal string ReadElementString(string name) { return reader.ReadElementString(name); } 
        internal string ReadElementString(string localname, string ns) { return reader.ReadElementString(localname, ns); }
        internal bool ReadToFollowing(string name) { return ReadToFollowing(name); } 
        internal bool ReadToFollowing(string localName, string namespaceURI) { return reader.ReadToFollowing(localName, namespaceURI); } 
        internal bool ReadToDescendant(string name) { return reader.ReadToDescendant(name); }
        internal bool ReadToDescendant(string localName, string namespaceURI) { return reader.ReadToDescendant(localName, namespaceURI); } 
        internal bool ReadToNextSibling(string name) { return reader.ReadToNextSibling(name); }
        internal bool ReadToNextSibling(string localName, string namespaceURI) { return reader.ReadToNextSibling(localName, namespaceURI); }
        internal void ReadStartElement()
        { 
            if (isEndOfEmptyElement)
                throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidNodeType, this.NodeType.ToString()))); 
            if (reader.IsEmptyElement) 
                isEndOfEmptyElement = true;
            else 
                reader.ReadStartElement();
        }
        internal void ReadStartElement(String localname, String ns)
        { 
            if (isEndOfEmptyElement)
                throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidNodeType, this.NodeType.ToString()))); 
            if (reader.IsEmptyElement) 
                isEndOfEmptyElement = true;
            else 
                reader.ReadStartElement(localname, ns);
        }

        internal void ReadStartElement(string name) 
        {
            if (isEndOfEmptyElement) 
                throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidNodeType, this.NodeType.ToString()))); 
            if (reader.IsEmptyElement)
                isEndOfEmptyElement = true; 
            else
                reader.ReadStartElement(name);
        }
 
        internal XmlReader ReadSubtree()
        { 
            if (this.NodeType == XmlNodeType.Element) 
                return reader.ReadSubtree();
 
            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.XmlFunctionRequiredNodeType, "ReadSubtree", "Element")));
        }
#endif
    } 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.


                        

                        

                        
                        
                    
                    

                        
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