XmlReaderSettings.cs source code in C# .NET

                        Code:
                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Xml / System / Xml / Core / XmlReaderSettings.cs / 2 / XmlReaderSettings.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
using System.Xml; 
using System.Xml.Schema;
 
namespace System.Xml {

    // XmlReaderSettings class specifies features of an XmlReader.
    public sealed class XmlReaderSettings { 
//
// Fields 
// 
        // Nametable
        XmlNameTable    nameTable; 

        // XmlResolver
        XmlResolver     xmlResolver;
 
        // Text settings
        int     lineNumberOffset; 
        int     linePositionOffset; 

        // Conformance settings 
        ConformanceLevel    conformanceLevel;
        bool                checkCharacters;

        long maxCharactersInDocument; 
        long maxCharactersFromEntities;
 
        //Validation settings 
        ValidationType          validationType;
        XmlSchemaValidationFlags validationFlags; 
        XmlSchemaSet            schemas;
        ValidationEventHandler  valEventHandler;

        // Filtering settings 
        bool    ignoreWhitespace;
        bool    ignorePIs; 
        bool    ignoreComments; 

        // security settings 
        bool    prohibitDtd;

        // other settings
        bool    closeInput; 

        // read-only flag 
        bool isReadOnly; 

// 
// Constructor
//
        public XmlReaderSettings() {
            Reset(); 
        }
 
// 
// Properties
// 
        // Nametable
        public XmlNameTable NameTable {
            get {
                return nameTable; 
            }
            set { 
                CheckReadOnly( "NameTable" ); 
                nameTable = value;
            } 
        }

        // XmlResolver
        public XmlResolver XmlResolver { 
            set {
                CheckReadOnly( "XmlResolver" ); 
                xmlResolver = value; 
            }
        } 

        internal XmlResolver GetXmlResolver() {
            return xmlResolver;
        } 

    // Text settings 
        public int LineNumberOffset { 
            get {
                return lineNumberOffset; 
            }
            set {
                CheckReadOnly( "LineNumberOffset" );
                if ( lineNumberOffset < 0 ) { 
                    throw new ArgumentOutOfRangeException( "value" );
                } 
                lineNumberOffset = value; 
            }
        } 

        public int LinePositionOffset {
            get {
                return linePositionOffset; 
            }
            set { 
                CheckReadOnly( "LinePositionOffset" ); 
                if ( linePositionOffset < 0 ) {
                    throw new ArgumentOutOfRangeException( "value" ); 
                }
                linePositionOffset = value;
            }
        } 

    // Conformance settings 
        public ConformanceLevel ConformanceLevel { 
            get {
                return conformanceLevel; 
            }
            set {
                CheckReadOnly( "ConformanceLevel" );
 
                if ( (uint)value > (uint)ConformanceLevel.Document ) {
                    throw new ArgumentOutOfRangeException( "value" ); 
                } 
                conformanceLevel = value;
            } 
        }

        public bool CheckCharacters {
            get { 
                return checkCharacters;
            } 
            set { 
                CheckReadOnly( "CheckCharacters" );
                checkCharacters = value; 
            }
        }

        public long MaxCharactersInDocument { 
            get {
                return maxCharactersInDocument; 
            } 
            set {
                CheckReadOnly("MaxCharactersInDocument"); 
                if (value < 0) {
                    throw new ArgumentOutOfRangeException("value");
                }
                maxCharactersInDocument = value; 
            }
        } 
 
        public long MaxCharactersFromEntities {
            get { 
                return maxCharactersFromEntities;
            }
            set {
                CheckReadOnly("MaxCharactersFromEntities"); 
                if (value < 0) {
                    throw new ArgumentOutOfRangeException("value"); 
                } 
                maxCharactersFromEntities = value;
            } 
        }

        public ValidationType ValidationType {
            get { 
                return validationType;
            } 
            set { 
                CheckReadOnly("ValidationType");
 
                if ( (uint)value > (uint)ValidationType.Schema ) {
                    throw new ArgumentOutOfRangeException( "value" );
                }
                validationType = value; 
            }
        } 
 
        public XmlSchemaValidationFlags ValidationFlags {
            get { 
                return validationFlags;
            }
            set {
                CheckReadOnly("ValidationFlags"); 

                if ( (uint)value > (uint)( XmlSchemaValidationFlags.ProcessInlineSchema | XmlSchemaValidationFlags.ProcessSchemaLocation | 
                                           XmlSchemaValidationFlags.ReportValidationWarnings | XmlSchemaValidationFlags.ProcessIdentityConstraints | 
                                           XmlSchemaValidationFlags.AllowXmlAttributes ) ) {
                    throw new ArgumentOutOfRangeException( "value" ); 
                }
                validationFlags = value;
            }
        } 

        public XmlSchemaSet Schemas { 
            get { 
                if ( schemas == null ) {
                    schemas = new XmlSchemaSet(); 
                }
                return schemas;
            }
            set { 
                CheckReadOnly( "Schemas" );
                schemas = value; 
            } 
        }
 
        public event ValidationEventHandler ValidationEventHandler {
            add {
                CheckReadOnly( "ValidationEventHandler" );
                valEventHandler += value; 
            }
            remove { 
                CheckReadOnly( "ValidationEventHandler" ); 
                valEventHandler -= value;
            } 
        }

        // Filtering settings
        public bool IgnoreWhitespace { 
            get {
                return ignoreWhitespace; 
            } 
            set {
                CheckReadOnly( "IgnoreWhitespace" ); 
                ignoreWhitespace = value;
            }
        }
 
        public bool IgnoreProcessingInstructions {
            get { 
                return ignorePIs; 
            }
            set { 
                CheckReadOnly( "IgnoreProcessingInstructions" );
                ignorePIs = value;
            }
        } 

        public bool IgnoreComments { 
            get { 
                return ignoreComments;
            } 
            set {
                CheckReadOnly( "IgnoreComments" );
                ignoreComments = value;
            } 
        }
 
        public bool ProhibitDtd { 
            get {
                return prohibitDtd; 
            }
            set {
                CheckReadOnly( "ProhibitDtd" );
                prohibitDtd = value; 
            }
        } 
 
        public bool CloseInput {
            get { 
                return closeInput;
            }
            set {
                CheckReadOnly( "CloseInput" ); 
                closeInput = value;
            } 
        } 

// 
// Public methods
//
        public void Reset() {
            CheckReadOnly( "Reset" ); 

            nameTable = null; 
            xmlResolver = new XmlUrlResolver(); 
            lineNumberOffset = 0;
            linePositionOffset = 0; 
            checkCharacters = true;
            conformanceLevel = ConformanceLevel.Document;

            schemas = null; 
            validationType = ValidationType.None;
            validationFlags = XmlSchemaValidationFlags.ProcessIdentityConstraints; 
            validationFlags |= XmlSchemaValidationFlags.AllowXmlAttributes; 
            ignoreWhitespace = false;
            ignorePIs = false; 
            ignoreComments = false;
            prohibitDtd = true;
            closeInput = false;
 
            maxCharactersFromEntities = 0;
            maxCharactersInDocument = 0; 
 
            isReadOnly = false;
        } 

        public XmlReaderSettings Clone() {
            XmlReaderSettings clonedSettings = MemberwiseClone() as XmlReaderSettings;
            clonedSettings.isReadOnly = false; 
            return clonedSettings;
        } 
 
//
// Internal and private methods 
//
        internal bool ReadOnly {
            get {
                return isReadOnly; 
            }
            set { 
                isReadOnly = value; 
            }
        } 

        internal ValidationEventHandler GetEventHandler() {
            return valEventHandler;
        } 

        private void CheckReadOnly( string propertyName ) { 
            if ( isReadOnly ) { 
                throw new XmlException( Res.Xml_ReadOnlyProperty, "XmlReaderSettings." + propertyName );
            } 
        }

        internal bool CanResolveExternals {
            get { 
                return prohibitDtd == false && xmlResolver != null;
            } 
        } 

    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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XmlReaderSettings.cs source code in C# .NET

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