XmlName.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Xml / System / Xml / Dom / XmlName.cs / 1 / XmlName.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml { 
    using System.Text;
    using System.Diagnostics; 
    using System.Xml.Schema;

    internal class XmlName : IXmlSchemaInfo {
        string prefix; 
        string localName;
        string ns; 
        string name; 
        int hashCode;
        internal XmlDocument ownerDoc; 
        internal XmlName next;

        public static XmlName Create(string prefix, string localName, string ns, int hashCode, XmlDocument ownerDoc, XmlName next, IXmlSchemaInfo schemaInfo) {
            if (schemaInfo == null) { 
                return new XmlName(prefix, localName, ns, hashCode, ownerDoc, next);
            } 
            else { 
                return new XmlNameEx(prefix, localName, ns, hashCode, ownerDoc, next, schemaInfo);
            } 
        }

        internal XmlName(string prefix, string localName, string ns, int hashCode, XmlDocument ownerDoc, XmlName next) {
            this.prefix = prefix; 
            this.localName = localName;
            this.ns = ns; 
            this.name = null; 
            this.hashCode = hashCode;
            this.ownerDoc = ownerDoc; 
            this.next = next;
        }

        public string LocalName { 
            get {
                return localName; 
            } 
        }
 
        public string NamespaceURI {
            get {
                return ns;
            } 
        }
 
        public string Prefix { 
            get {
                return prefix; 
            }
        }

        public int HashCode { 
            get {
                return hashCode; 
            } 
        }
 
        public XmlDocument OwnerDocument {
            get {
                return ownerDoc;
            } 
        }
 
        public string Name { 
            get {
                if ( name == null ) { 
                    Debug.Assert( prefix != null );
                    if ( prefix.Length > 0 ) {
                        if ( localName.Length > 0 ) {
                            string n = string.Concat( prefix, ":", localName ); 
                            lock ( ownerDoc.NameTable ) {
                                if ( name == null ) { 
                                    name = ownerDoc.NameTable.Add( n ); 
                                }
                            } 
                        }
                        else {
                            name = prefix;
                        } 
                    }
                    else { 
                        name = localName; 
                    }
                    Debug.Assert( Ref.Equal( name, ownerDoc.NameTable.Get( name ) ) ); 
                }
                return name;
            }
        } 

        public virtual XmlSchemaValidity Validity { 
            get { 
                return XmlSchemaValidity.NotKnown;
            } 
        }

        public virtual bool IsDefault {
            get { 
                return false;
            } 
        } 

        public virtual bool IsNil { 
            get {
                return false;
            }
        } 

        public virtual XmlSchemaSimpleType MemberType { 
            get { 
                return null;
            } 
        }

        public virtual XmlSchemaType SchemaType {
            get { 
                return null;
            } 
        } 

        public virtual XmlSchemaElement SchemaElement { 
            get {
                return null;
            }
        } 

        public virtual XmlSchemaAttribute SchemaAttribute { 
            get { 
                return null;
            } 
        }

        public virtual bool Equals(IXmlSchemaInfo schemaInfo) {
            return schemaInfo == null; 
        }
 
        public static int GetHashCode(string name) { 
            int hashCode = 0;
            if (name != null) { 
                for (int i = name.Length - 1; i >= 0; i--) {
                    char ch = name[i];
                    if (ch == ':') break;
                    hashCode += (hashCode << 7) ^ ch; 
                }
                hashCode -= hashCode >> 17; 
                hashCode -= hashCode >> 11; 
                hashCode -= hashCode >> 5;
            } 
            return hashCode;
        }
    }
 
    internal sealed class XmlNameEx : XmlName {
        byte flags; 
        XmlSchemaSimpleType memberType; 
        XmlSchemaType schemaType;
        object decl; 

        // flags
        // 0,1  : Validity
        // 2    : IsDefault 
        // 3    : IsNil
        const byte ValidityMask = 0x03; 
        const byte IsDefaultBit = 0x04; 
        const byte IsNilBit     = 0x08;
 
        internal XmlNameEx(string prefix, string localName, string ns, int hashCode, XmlDocument ownerDoc, XmlName next, IXmlSchemaInfo schemaInfo) : base(prefix, localName, ns, hashCode, ownerDoc, next) {
            SetValidity(schemaInfo.Validity);
            SetIsDefault(schemaInfo.IsDefault);
            SetIsNil(schemaInfo.IsNil); 
            memberType = schemaInfo.MemberType;
            schemaType = schemaInfo.SchemaType; 
            decl = schemaInfo.SchemaElement != null 
                   ? (object)schemaInfo.SchemaElement
                   : (object)schemaInfo.SchemaAttribute; 
        }

        public override XmlSchemaValidity Validity {
            get { 
                return ownerDoc.CanReportValidity ? (XmlSchemaValidity)(flags & ValidityMask) : XmlSchemaValidity.NotKnown;
            } 
        } 

        public override bool IsDefault { 
            get {
                return (flags & IsDefaultBit) != 0;
            }
        } 

        public override bool IsNil { 
            get { 
                return (flags & IsNilBit) != 0;
            } 
        }

        public override XmlSchemaSimpleType MemberType {
            get { 
                return memberType;
            } 
        } 

        public override XmlSchemaType SchemaType { 
            get {
                return schemaType;
            }
        } 

        public override XmlSchemaElement SchemaElement { 
            get { 
                return decl as XmlSchemaElement;
            } 
        }

        public override XmlSchemaAttribute SchemaAttribute {
            get { 
                return decl as XmlSchemaAttribute;
            } 
        } 

        public void SetValidity(XmlSchemaValidity value) { 
            flags = (byte)((flags & ~ValidityMask) | (byte)(value));
        }

        public void SetIsDefault(bool value) { 
            if (value) flags = (byte)(flags | IsDefaultBit);
            else flags = (byte)(flags & ~IsDefaultBit); 
        } 

        public void SetIsNil(bool value) { 
            if (value) flags = (byte)(flags | IsNilBit);
            else flags = (byte)(flags & ~IsNilBit);
        }
 
        public override bool Equals(IXmlSchemaInfo schemaInfo) {
            if (schemaInfo != null 
                && schemaInfo.Validity == (XmlSchemaValidity)(flags & ValidityMask) 
                && schemaInfo.IsDefault == ((flags & IsDefaultBit) != 0)
                && schemaInfo.IsNil == ((flags & IsNilBit) != 0) 
                && (object)schemaInfo.MemberType == (object)memberType
                && (object)schemaInfo.SchemaType == (object)schemaType
                && (object)schemaInfo.SchemaElement == (object)(decl as XmlSchemaElement)
                && (object)schemaInfo.SchemaAttribute == (object)(decl as XmlSchemaAttribute)) { 
                return true;
            } 
            return false; 
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml { 
    using System.Text;
    using System.Diagnostics; 
    using System.Xml.Schema;

    internal class XmlName : IXmlSchemaInfo {
        string prefix; 
        string localName;
        string ns; 
        string name; 
        int hashCode;
        internal XmlDocument ownerDoc; 
        internal XmlName next;

        public static XmlName Create(string prefix, string localName, string ns, int hashCode, XmlDocument ownerDoc, XmlName next, IXmlSchemaInfo schemaInfo) {
            if (schemaInfo == null) { 
                return new XmlName(prefix, localName, ns, hashCode, ownerDoc, next);
            } 
            else { 
                return new XmlNameEx(prefix, localName, ns, hashCode, ownerDoc, next, schemaInfo);
            } 
        }

        internal XmlName(string prefix, string localName, string ns, int hashCode, XmlDocument ownerDoc, XmlName next) {
            this.prefix = prefix; 
            this.localName = localName;
            this.ns = ns; 
            this.name = null; 
            this.hashCode = hashCode;
            this.ownerDoc = ownerDoc; 
            this.next = next;
        }

        public string LocalName { 
            get {
                return localName; 
            } 
        }
 
        public string NamespaceURI {
            get {
                return ns;
            } 
        }
 
        public string Prefix { 
            get {
                return prefix; 
            }
        }

        public int HashCode { 
            get {
                return hashCode; 
            } 
        }
 
        public XmlDocument OwnerDocument {
            get {
                return ownerDoc;
            } 
        }
 
        public string Name { 
            get {
                if ( name == null ) { 
                    Debug.Assert( prefix != null );
                    if ( prefix.Length > 0 ) {
                        if ( localName.Length > 0 ) {
                            string n = string.Concat( prefix, ":", localName ); 
                            lock ( ownerDoc.NameTable ) {
                                if ( name == null ) { 
                                    name = ownerDoc.NameTable.Add( n ); 
                                }
                            } 
                        }
                        else {
                            name = prefix;
                        } 
                    }
                    else { 
                        name = localName; 
                    }
                    Debug.Assert( Ref.Equal( name, ownerDoc.NameTable.Get( name ) ) ); 
                }
                return name;
            }
        } 

        public virtual XmlSchemaValidity Validity { 
            get { 
                return XmlSchemaValidity.NotKnown;
            } 
        }

        public virtual bool IsDefault {
            get { 
                return false;
            } 
        } 

        public virtual bool IsNil { 
            get {
                return false;
            }
        } 

        public virtual XmlSchemaSimpleType MemberType { 
            get { 
                return null;
            } 
        }

        public virtual XmlSchemaType SchemaType {
            get { 
                return null;
            } 
        } 

        public virtual XmlSchemaElement SchemaElement { 
            get {
                return null;
            }
        } 

        public virtual XmlSchemaAttribute SchemaAttribute { 
            get { 
                return null;
            } 
        }

        public virtual bool Equals(IXmlSchemaInfo schemaInfo) {
            return schemaInfo == null; 
        }
 
        public static int GetHashCode(string name) { 
            int hashCode = 0;
            if (name != null) { 
                for (int i = name.Length - 1; i >= 0; i--) {
                    char ch = name[i];
                    if (ch == ':') break;
                    hashCode += (hashCode << 7) ^ ch; 
                }
                hashCode -= hashCode >> 17; 
                hashCode -= hashCode >> 11; 
                hashCode -= hashCode >> 5;
            } 
            return hashCode;
        }
    }
 
    internal sealed class XmlNameEx : XmlName {
        byte flags; 
        XmlSchemaSimpleType memberType; 
        XmlSchemaType schemaType;
        object decl; 

        // flags
        // 0,1  : Validity
        // 2    : IsDefault 
        // 3    : IsNil
        const byte ValidityMask = 0x03; 
        const byte IsDefaultBit = 0x04; 
        const byte IsNilBit     = 0x08;
 
        internal XmlNameEx(string prefix, string localName, string ns, int hashCode, XmlDocument ownerDoc, XmlName next, IXmlSchemaInfo schemaInfo) : base(prefix, localName, ns, hashCode, ownerDoc, next) {
            SetValidity(schemaInfo.Validity);
            SetIsDefault(schemaInfo.IsDefault);
            SetIsNil(schemaInfo.IsNil); 
            memberType = schemaInfo.MemberType;
            schemaType = schemaInfo.SchemaType; 
            decl = schemaInfo.SchemaElement != null 
                   ? (object)schemaInfo.SchemaElement
                   : (object)schemaInfo.SchemaAttribute; 
        }

        public override XmlSchemaValidity Validity {
            get { 
                return ownerDoc.CanReportValidity ? (XmlSchemaValidity)(flags & ValidityMask) : XmlSchemaValidity.NotKnown;
            } 
        } 

        public override bool IsDefault { 
            get {
                return (flags & IsDefaultBit) != 0;
            }
        } 

        public override bool IsNil { 
            get { 
                return (flags & IsNilBit) != 0;
            } 
        }

        public override XmlSchemaSimpleType MemberType {
            get { 
                return memberType;
            } 
        } 

        public override XmlSchemaType SchemaType { 
            get {
                return schemaType;
            }
        } 

        public override XmlSchemaElement SchemaElement { 
            get { 
                return decl as XmlSchemaElement;
            } 
        }

        public override XmlSchemaAttribute SchemaAttribute {
            get { 
                return decl as XmlSchemaAttribute;
            } 
        } 

        public void SetValidity(XmlSchemaValidity value) { 
            flags = (byte)((flags & ~ValidityMask) | (byte)(value));
        }

        public void SetIsDefault(bool value) { 
            if (value) flags = (byte)(flags | IsDefaultBit);
            else flags = (byte)(flags & ~IsDefaultBit); 
        } 

        public void SetIsNil(bool value) { 
            if (value) flags = (byte)(flags | IsNilBit);
            else flags = (byte)(flags & ~IsNilBit);
        }
 
        public override bool Equals(IXmlSchemaInfo schemaInfo) {
            if (schemaInfo != null 
                && schemaInfo.Validity == (XmlSchemaValidity)(flags & ValidityMask) 
                && schemaInfo.IsDefault == ((flags & IsDefaultBit) != 0)
                && schemaInfo.IsNil == ((flags & IsNilBit) != 0) 
                && (object)schemaInfo.MemberType == (object)memberType
                && (object)schemaInfo.SchemaType == (object)schemaType
                && (object)schemaInfo.SchemaElement == (object)(decl as XmlSchemaElement)
                && (object)schemaInfo.SchemaAttribute == (object)(decl as XmlSchemaAttribute)) { 
                return true;
            } 
            return false; 
        }
    } 
}

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