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//------------------------------------------------------------------------------
// <copyright file="SchemaAttDef.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
namespace System.Xml.Schema {
using System.Diagnostics;
using System.Collections.Generic;
/*
* This class describes an attribute type and potential values.
* This encapsulates the information for one Attdef * in an
* Attlist in a DTD as described below:
*/
internal sealed class SchemaAttDef : SchemaDeclBase, IDtdDefaultAttributeInfo {
internal enum Reserve {
None,
XmlSpace,
XmlLang
};
private String defExpanded; // default value in its expanded form
int lineNum;
int linePos;
int valueLineNum;
int valueLinePos;
private Reserve reserved = Reserve.None; // indicate the attribute type, such as xml:lang or xml:space
#if SILVERLIGHT
XmlTokenizedType tokenizedType;
#endif
#if !SILVERLIGHT
private bool defaultValueChecked;
private bool hasEntityRef; // whether there is any entity reference in the default value
XmlSchemaAttribute schemaAttribute;
public static readonly SchemaAttDef Empty = new SchemaAttDef();
#endif
//
// Constructors
//
public SchemaAttDef(XmlQualifiedName name, String prefix)
: base(name, prefix) {
}
#if !SILVERLIGHT
public SchemaAttDef(XmlQualifiedName name) : base(name, null) {
}
private SchemaAttDef() {}
#endif
//
// IDtdAttributeInfo interface
//
#region IDtdAttributeInfo Members
string IDtdAttributeInfo.Prefix {
get { return ((SchemaAttDef)this).Prefix; }
}
string IDtdAttributeInfo.LocalName {
get { return ((SchemaAttDef)this).Name.Name; }
}
int IDtdAttributeInfo.LineNumber {
get { return ((SchemaAttDef)this).LineNumber; }
}
int IDtdAttributeInfo.LinePosition {
get { return ((SchemaAttDef)this).LinePosition; }
}
bool IDtdAttributeInfo.IsNonCDataType {
get { return this.TokenizedType != XmlTokenizedType.CDATA; }
}
bool IDtdAttributeInfo.IsDeclaredInExternal {
get { return ((SchemaAttDef)this).IsDeclaredInExternal; }
}
bool IDtdAttributeInfo.IsXmlAttribute {
get { return this.Reserved != SchemaAttDef.Reserve.None; }
}
#endregion
//
// IDtdDefaultAttributeInfo interface
//
#region IDtdDefaultAttributeInfo Members
string IDtdDefaultAttributeInfo.DefaultValueExpanded {
get { return ((SchemaAttDef)this).DefaultValueExpanded; }
}
object IDtdDefaultAttributeInfo.DefaultValueTyped {
#if SILVERLIGHT
get { return null; }
#else
get { return ((SchemaAttDef)this).DefaultValueTyped; }
#endif
}
int IDtdDefaultAttributeInfo.ValueLineNumber {
get { return ((SchemaAttDef)this).ValueLineNumber; }
}
int IDtdDefaultAttributeInfo.ValueLinePosition {
get { return ((SchemaAttDef)this).ValueLinePosition; }
}
#endregion
//
// Internal properties
//
internal int LinePosition {
get { return linePos; }
set { linePos = value; }
}
internal int LineNumber {
get { return lineNum; }
set { lineNum = value; }
}
internal int ValueLinePosition {
get { return valueLinePos; }
set { valueLinePos = value; }
}
internal int ValueLineNumber {
get { return valueLineNum; }
set { valueLineNum = value; }
}
internal String DefaultValueExpanded {
get { return(defExpanded != null) ? defExpanded : String.Empty;}
set { defExpanded = value;}
}
internal XmlTokenizedType TokenizedType {
get {
#if SILVERLIGHT
return tokenizedType;
#else
return Datatype.TokenizedType;
#endif
}
set {
#if SILVERLIGHT
tokenizedType = value;
#else
this.Datatype = XmlSchemaDatatype.FromXmlTokenizedType(value);
#endif
}
}
internal Reserve Reserved {
get { return reserved;}
set { reserved = value;}
}
#if !SILVERLIGHT
internal bool DefaultValueChecked {
get {
return defaultValueChecked;
}
}
internal bool HasEntityRef {
get { return hasEntityRef;}
set { hasEntityRef = value;}
}
internal XmlSchemaAttribute SchemaAttribute {
get { return schemaAttribute; }
set { schemaAttribute = value; }
}
internal void CheckXmlSpace(IValidationEventHandling validationEventHandling) {
if (datatype.TokenizedType == XmlTokenizedType.ENUMERATION &&
(values != null) &&
(values.Count <= 2)) {
String s1 = values[0].ToString();
if (values.Count == 2) {
String s2 = values[1].ToString();
if ((s1 == "default" || s2 == "default") &&
(s1 == "preserve" || s2 == "preserve")) {
return;
}
}
else {
if (s1 == "default" || s1 == "preserve") {
return;
}
}
}
validationEventHandling.SendEvent(new XmlSchemaException(Res.Sch_XmlSpace, string.Empty), XmlSeverityType.Error);
}
internal SchemaAttDef Clone() {
return (SchemaAttDef) MemberwiseClone();
}
#endif
}
}
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