Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / 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.
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