XmlDictionaryReaderQuotas.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Serialization / System / Xml / XmlDictionaryReaderQuotas.cs / 1305376 / XmlDictionaryReaderQuotas.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.Xml
{ 
    using System.Runtime.Serialization;
    using System.ComponentModel; 
 
    public sealed class XmlDictionaryReaderQuotas
    { 
        bool readOnly;
        int maxStringContentLength;
        int maxArrayLength;
        int maxDepth; 
        int maxNameTableCharCount;
        int maxBytesPerRead; 
 
        const int DefaultMaxDepth = 32;
        const int DefaultMaxStringContentLength = 8192; 
        const int DefaultMaxArrayLength = 16384;
        const int DefaultMaxBytesPerRead = 4096;
        const int DefaultMaxNameTableCharCount = 16384;
 
        static XmlDictionaryReaderQuotas defaultQuota = new XmlDictionaryReaderQuotas(DefaultMaxDepth, DefaultMaxStringContentLength, DefaultMaxArrayLength, DefaultMaxBytesPerRead, DefaultMaxNameTableCharCount);
        static XmlDictionaryReaderQuotas maxQuota = new XmlDictionaryReaderQuotas(int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue); 
 
        public XmlDictionaryReaderQuotas()
        { 
            defaultQuota.CopyTo(this);
        }

        XmlDictionaryReaderQuotas(int maxDepth, int maxStringContentLength, int maxArrayLength, int maxBytesPerRead, int maxNameTableCharCount) 
        {
            this.maxDepth = maxDepth; 
            this.maxStringContentLength = maxStringContentLength; 
            this.maxArrayLength = maxArrayLength;
            this.maxBytesPerRead = maxBytesPerRead; 
            this.maxNameTableCharCount = maxNameTableCharCount;
            MakeReadOnly();
        }
 
        static public XmlDictionaryReaderQuotas Max
        { 
            get 
            {
                return maxQuota; 
            }
        }

        public void CopyTo(XmlDictionaryReaderQuotas quotas) 
        {
            if (quotas == null) 
                throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("quotas")); 
            if (quotas.readOnly)
                throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.QuotaCopyReadOnly))); 
            InternalCopyTo(quotas);
        }

        internal void InternalCopyTo(XmlDictionaryReaderQuotas quotas) 
        {
            quotas.maxStringContentLength = this.maxStringContentLength; 
            quotas.maxArrayLength = this.maxArrayLength; 
            quotas.maxDepth = this.MaxDepth;
            quotas.maxNameTableCharCount = this.maxNameTableCharCount; 
            quotas.maxBytesPerRead = this.maxBytesPerRead;
        }

        [DefaultValue(DefaultMaxStringContentLength)] 
        public int MaxStringContentLength
        { 
            get 
            {
                return maxStringContentLength; 
            }
            set
            {
                if (readOnly) 
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.QuotaIsReadOnly, "MaxStringContentLength")));
                if (value <= 0) 
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.QuotaMustBePositive), "value")); 
                maxStringContentLength = value;
            } 
        }

        [DefaultValue(DefaultMaxArrayLength)]
        public int MaxArrayLength 
        {
            get 
            { 
                return maxArrayLength;
            } 
            set
            {
                if (readOnly)
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.QuotaIsReadOnly, "MaxArrayLength"))); 
                if (value <= 0)
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.QuotaMustBePositive), "value")); 
                maxArrayLength = value; 
            }
        } 

        [DefaultValue(DefaultMaxBytesPerRead)]
        public int MaxBytesPerRead
        { 
            get
            { 
                return maxBytesPerRead; 
            }
            set 
            {
                if (readOnly)
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.QuotaIsReadOnly, "MaxBytesPerRead")));
                if (value <= 0) 
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.QuotaMustBePositive), "value"));
                maxBytesPerRead = value; 
            } 
        }
 
        [DefaultValue(DefaultMaxDepth)]
        public int MaxDepth
        {
            get 
            {
                return maxDepth; 
            } 
            set
            { 
                if (readOnly)
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.QuotaIsReadOnly, "MaxDepth")));
                if (value <= 0)
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.QuotaMustBePositive), "value")); 
                maxDepth = value;
            } 
        } 

        [DefaultValue(DefaultMaxNameTableCharCount)] 
        public int MaxNameTableCharCount
        {
            get
            { 
                return maxNameTableCharCount;
            } 
            set 
            {
                if (readOnly) 
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.QuotaIsReadOnly, "MaxNameTableCharCount")));
                if (value <= 0)
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.QuotaMustBePositive), "value"));
                maxNameTableCharCount = value; 
            }
        } 
 
        internal void MakeReadOnly()
        { 
            this.readOnly = true;
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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XmlDictionaryReaderQuotas.cs source code in C# .NET

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