SchemaAttDef.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Xml / System / Xml / schema / SchemaAttDef.cs / 1305376 / SchemaAttDef.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
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
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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SchemaAttDef.cs source code in C# .NET

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