PlainXmlWriter.cs source code in C# .NET

                        
Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / SMDiagnostics / System / ServiceModel / Diagnostics / PlainXmlWriter.cs / 1305376 / PlainXmlWriter.cs
                        

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

namespace System.ServiceModel.Diagnostics 
{
    using System.Xml; 
    using System.Diagnostics; 

    /// 
 
    /// Very basic performance-oriented XmlWriter implementation. No validation/encoding is made.
    /// Namespaces are not supported
    /// Minimal formatting support
    /// 
 
    internal class PlainXmlWriter : XmlWriter
    { 
        internal class MaxSizeExceededException : Exception 
        {
        } 

        TraceXPathNavigator navigator;
        bool writingAttribute = false;
        string currentAttributeName; 
        string currentAttributePrefix;
        string currentAttributeNs; 
        string currentAttributeText = string.Empty; 

        public PlainXmlWriter() 
            : this(-1) //no quota
        {
        }
 
        public PlainXmlWriter(int maxSize)
        { 
            this.navigator = new TraceXPathNavigator(maxSize); 
        }
 
        public TraceXPathNavigator Navigator
        {
            get
            { 
                return this.navigator;
            } 
        } 

        public override void WriteStartDocument() { } 
        public override void WriteStartDocument(bool standalone) { }
        public override void WriteDocType(string name, string pubid, string sysid, string subset) { }
        public override void WriteEndDocument() { }
 
        public override string LookupPrefix(string ns)
        { 
            return this.navigator.LookupPrefix(ns); 
        }
 
        public override WriteState WriteState
        {
            get { return this.navigator.WriteState; }
        } 

        public override XmlSpace XmlSpace 
        { 
            get { return XmlSpace.Default; }
        } 

        public override string XmlLang
        {
            get { return string.Empty; } 
        }
 
        public override void WriteValue(object value) 
        {
            this.navigator.AddText(value.ToString()); 
        }

        public override void WriteValue(string value)
        { 
            this.navigator.AddText(value);
        } 
 
        public override void WriteBase64(byte[] buffer, int offset, int count) { }
 
        public override void WriteStartElement(string prefix, string localName, string ns)
        {
#pragma warning disable 618
            AssertUtility.DebugAssert(!String.IsNullOrEmpty(localName), ""); 
#pragma warning restore 618
            if (String.IsNullOrEmpty(localName)) 
            { 
                throw new ArgumentNullException("localName");
            } 

            this.navigator.AddElement(prefix, localName, ns);
        }
 
        public override void WriteFullEndElement()
        { 
            WriteEndElement(); 
        }
 
        public override void WriteEndElement()
        {
            this.navigator.CloseElement();
        } 

        public override void WriteStartAttribute(string prefix, string localName, string ns) 
        { 
#pragma warning disable 618
            AssertUtility.DebugAssert(!this.writingAttribute, ""); 
#pragma warning restore 618
            if (this.writingAttribute)
            {
                throw new InvalidOperationException(); 
            }
 
            this.currentAttributeName = localName; 
            this.currentAttributePrefix = prefix;
            this.currentAttributeNs = ns; 
            this.currentAttributeText = string.Empty;
            this.writingAttribute = true;
        }
 
        public override void WriteEndAttribute()
        { 
#pragma warning disable 618 
            AssertUtility.DebugAssert(this.writingAttribute, "");
#pragma warning restore 618 
            if (!this.writingAttribute)
            {
                throw new InvalidOperationException();
            } 
            this.navigator.AddAttribute(this.currentAttributeName, this.currentAttributeText, this.currentAttributeNs, this.currentAttributePrefix);
            this.writingAttribute = false; 
        } 

        public override void WriteCData(string text) 
        {
            this.WriteRaw("");
        }
 
        public override void WriteComment(string text)
        { 
            this.navigator.AddComment(text); 
        }
 
        public override void WriteProcessingInstruction(string name, string text)
        {
            this.navigator.AddProcessingInstruction(name, text);
        } 

        public override void WriteEntityRef(string name) 
        { 
        }
 
        public override void WriteCharEntity(char ch)
        {
        }
 
        public override void WriteSurrogateCharEntity(char lowChar, char highChar)
        { 
        } 

        public override void WriteWhitespace(string ws) 
        {
        }

        public override void WriteString(string text) 
        {
            if (this.writingAttribute) 
            { 
                currentAttributeText += text;
            } 
            else
            {
                this.WriteValue(text);
            } 
        }
 
        public override void WriteChars(Char[] buffer, int index, int count) 
        {
            // Exceptions being thrown as per data found at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemxmlxmlwriterclasswritecharstopic.asp 
            if (buffer == null)
            {
                throw new ArgumentNullException("buffer");
            } 
            if (index < 0)
            { 
                throw new ArgumentOutOfRangeException("index"); 
            }
            if (count < 0) 
            {
                throw new ArgumentOutOfRangeException("count");
            }
            if ((buffer.Length - index) < count) 
            {
                throw new ArgumentException(TraceSR.GetString(TraceSR.WriteCharsInvalidContent)); 
            } 
            this.WriteString(new string(buffer, index, count));
        } 

        public override void WriteRaw(String data)
        {
            this.WriteString(data); 
        }
 
        public override void WriteRaw(Char[] buffer, int index, int count) 
        {
            this.WriteChars(buffer, index, count); 
        }

        public override void Close()
        { 
        }
 
        public override void Flush() 
        {
        } 
    }
}

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

namespace System.ServiceModel.Diagnostics 
{
    using System.Xml; 
    using System.Diagnostics; 

    /// 
 
    /// Very basic performance-oriented XmlWriter implementation. No validation/encoding is made.
    /// Namespaces are not supported
    /// Minimal formatting support
    /// 
 
    internal class PlainXmlWriter : XmlWriter
    { 
        internal class MaxSizeExceededException : Exception 
        {
        } 

        TraceXPathNavigator navigator;
        bool writingAttribute = false;
        string currentAttributeName; 
        string currentAttributePrefix;
        string currentAttributeNs; 
        string currentAttributeText = string.Empty; 

        public PlainXmlWriter() 
            : this(-1) //no quota
        {
        }
 
        public PlainXmlWriter(int maxSize)
        { 
            this.navigator = new TraceXPathNavigator(maxSize); 
        }
 
        public TraceXPathNavigator Navigator
        {
            get
            { 
                return this.navigator;
            } 
        } 

        public override void WriteStartDocument() { } 
        public override void WriteStartDocument(bool standalone) { }
        public override void WriteDocType(string name, string pubid, string sysid, string subset) { }
        public override void WriteEndDocument() { }
 
        public override string LookupPrefix(string ns)
        { 
            return this.navigator.LookupPrefix(ns); 
        }
 
        public override WriteState WriteState
        {
            get { return this.navigator.WriteState; }
        } 

        public override XmlSpace XmlSpace 
        { 
            get { return XmlSpace.Default; }
        } 

        public override string XmlLang
        {
            get { return string.Empty; } 
        }
 
        public override void WriteValue(object value) 
        {
            this.navigator.AddText(value.ToString()); 
        }

        public override void WriteValue(string value)
        { 
            this.navigator.AddText(value);
        } 
 
        public override void WriteBase64(byte[] buffer, int offset, int count) { }
 
        public override void WriteStartElement(string prefix, string localName, string ns)
        {
#pragma warning disable 618
            AssertUtility.DebugAssert(!String.IsNullOrEmpty(localName), ""); 
#pragma warning restore 618
            if (String.IsNullOrEmpty(localName)) 
            { 
                throw new ArgumentNullException("localName");
            } 

            this.navigator.AddElement(prefix, localName, ns);
        }
 
        public override void WriteFullEndElement()
        { 
            WriteEndElement(); 
        }
 
        public override void WriteEndElement()
        {
            this.navigator.CloseElement();
        } 

        public override void WriteStartAttribute(string prefix, string localName, string ns) 
        { 
#pragma warning disable 618
            AssertUtility.DebugAssert(!this.writingAttribute, ""); 
#pragma warning restore 618
            if (this.writingAttribute)
            {
                throw new InvalidOperationException(); 
            }
 
            this.currentAttributeName = localName; 
            this.currentAttributePrefix = prefix;
            this.currentAttributeNs = ns; 
            this.currentAttributeText = string.Empty;
            this.writingAttribute = true;
        }
 
        public override void WriteEndAttribute()
        { 
#pragma warning disable 618 
            AssertUtility.DebugAssert(this.writingAttribute, "");
#pragma warning restore 618 
            if (!this.writingAttribute)
            {
                throw new InvalidOperationException();
            } 
            this.navigator.AddAttribute(this.currentAttributeName, this.currentAttributeText, this.currentAttributeNs, this.currentAttributePrefix);
            this.writingAttribute = false; 
        } 

        public override void WriteCData(string text) 
        {
            this.WriteRaw("");
        }
 
        public override void WriteComment(string text)
        { 
            this.navigator.AddComment(text); 
        }
 
        public override void WriteProcessingInstruction(string name, string text)
        {
            this.navigator.AddProcessingInstruction(name, text);
        } 

        public override void WriteEntityRef(string name) 
        { 
        }
 
        public override void WriteCharEntity(char ch)
        {
        }
 
        public override void WriteSurrogateCharEntity(char lowChar, char highChar)
        { 
        } 

        public override void WriteWhitespace(string ws) 
        {
        }

        public override void WriteString(string text) 
        {
            if (this.writingAttribute) 
            { 
                currentAttributeText += text;
            } 
            else
            {
                this.WriteValue(text);
            } 
        }
 
        public override void WriteChars(Char[] buffer, int index, int count) 
        {
            // Exceptions being thrown as per data found at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemxmlxmlwriterclasswritecharstopic.asp 
            if (buffer == null)
            {
                throw new ArgumentNullException("buffer");
            } 
            if (index < 0)
            { 
                throw new ArgumentOutOfRangeException("index"); 
            }
            if (count < 0) 
            {
                throw new ArgumentOutOfRangeException("count");
            }
            if ((buffer.Length - index) < count) 
            {
                throw new ArgumentException(TraceSR.GetString(TraceSR.WriteCharsInvalidContent)); 
            } 
            this.WriteString(new string(buffer, index, count));
        } 

        public override void WriteRaw(String data)
        {
            this.WriteString(data); 
        }
 
        public override void WriteRaw(Char[] buffer, int index, int count) 
        {
            this.WriteChars(buffer, index, count); 
        }

        public override void Close()
        { 
        }
 
        public override void Flush() 
        {
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

                        

                        
                        

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