|
//------------------------------------------------------------------------------
// <copyright file="XmlName.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
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;
}
}
}
|