XmlSchemaDatatype.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Xml / System / Xml / schema / XmlSchemaDatatype.cs / 1305376 / XmlSchemaDatatype.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
using System.Collections; 
using System.Diagnostics; 
using System.ComponentModel;
using System.Xml; 
using System.IO;
using System.Globalization;
using System.Text;
 
namespace System.Xml.Schema {
 
    ///  
    /// 
    ///    [To be supplied.] 
    /// 
    public abstract class XmlSchemaDatatype {

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        public abstract Type ValueType { get; }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        public abstract  XmlTokenizedType TokenizedType { get; }
 
        ///  
        /// 
        ///    [To be supplied.] 
        /// 
        public abstract object ParseValue(string s, XmlNameTable nameTable, IXmlNamespaceResolver nsmgr);

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        public virtual XmlSchemaDatatypeVariety Variety { get { return XmlSchemaDatatypeVariety.Atomic; } }
 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        public virtual object ChangeType(object value, Type targetType) { 
            if (value == null) { 
                throw new ArgumentNullException("value");
            } 
            if (targetType == null) {
                throw new ArgumentNullException("targetType");
            }
            return ValueConverter.ChangeType(value, targetType); 
        }
 
        ///  
        /// 
        ///    [To be supplied.] 
        /// 
        public virtual object ChangeType(object value, Type targetType, IXmlNamespaceResolver namespaceResolver) {
            if (value == null) {
                throw new ArgumentNullException("value"); 
            }
            if (targetType == null) { 
                throw new ArgumentNullException("targetType"); 
            }
            if (namespaceResolver == null) { 
                throw new ArgumentNullException("namespaceResolver");
            }
            return ValueConverter.ChangeType(value, targetType, namespaceResolver);
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public virtual XmlTypeCode TypeCode { get { return XmlTypeCode.None; } }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        public virtual bool IsDerivedFrom(XmlSchemaDatatype datatype) { 
            return false;
        } 

        internal abstract bool HasLexicalFacets { get; }

        internal abstract bool HasValueFacets { get; } 

        internal abstract XmlValueConverter ValueConverter { get; } 
 
        internal abstract RestrictionFacets Restriction { get; set; }
 
        internal abstract int Compare(object value1, object value2);

        internal abstract object ParseValue(string s, Type typDest, XmlNameTable nameTable, IXmlNamespaceResolver nsmgr);
 
        internal abstract object ParseValue(string s, XmlNameTable nameTable, IXmlNamespaceResolver nsmgr, bool createAtomicValue);
 
        internal abstract Exception TryParseValue(string s, XmlNameTable nameTable, IXmlNamespaceResolver nsmgr, out object typedValue); 

        internal abstract Exception TryParseValue(object value, XmlNameTable nameTable, IXmlNamespaceResolver namespaceResolver, out object typedValue); 

        internal abstract FacetsChecker FacetsChecker { get; }

        internal abstract XmlSchemaWhiteSpace BuiltInWhitespaceFacet { get; } 

        internal abstract XmlSchemaDatatype DeriveByRestriction(XmlSchemaObjectCollection facets, XmlNameTable nameTable, XmlSchemaType schemaType) ; 
 
        internal abstract XmlSchemaDatatype DeriveByList(XmlSchemaType schemaType) ;
 
        internal abstract void VerifySchemaValid(XmlSchemaObjectTable notations, XmlSchemaObject caller) ;

        internal abstract bool IsEqual(object o1, object o2) ;
 
        internal abstract bool IsComparable(XmlSchemaDatatype dtype) ;
 
        //Error message helper 
        internal string TypeCodeString {
            get { 
                string typeCodeString = string.Empty;
                XmlTypeCode typeCode = this.TypeCode;
                switch(this.Variety) {
                    case XmlSchemaDatatypeVariety.List: 
                        if (typeCode == XmlTypeCode.AnyAtomicType) { //List of union
                            typeCodeString = "List of Union"; 
                        } 
                        else {
                            typeCodeString = "List of " + TypeCodeToString(typeCode); 
                        }
                        break;

                    case XmlSchemaDatatypeVariety.Union: 
                        typeCodeString = "Union";
                        break; 
 
                    case XmlSchemaDatatypeVariety.Atomic:
                        if (typeCode == XmlTypeCode.AnyAtomicType) { 
                            typeCodeString = "anySimpleType";
                        }
                        else {
                            typeCodeString = TypeCodeToString(typeCode); 
                        }
                        break; 
                } 
                return typeCodeString;
            } 
        }

        internal string TypeCodeToString(XmlTypeCode typeCode) {
            switch (typeCode) { 
                case XmlTypeCode.None:
                    return "None"; 
                case XmlTypeCode.Item: 
                    return "AnyType";
                case XmlTypeCode.AnyAtomicType: 
                    return "AnyAtomicType";
                case XmlTypeCode.String:
                    return "String";
                case XmlTypeCode.Boolean: 
                    return "Boolean";
                case XmlTypeCode.Decimal: 
                    return "Decimal"; 
                case XmlTypeCode.Float:
                    return "Float"; 
                case XmlTypeCode.Double:
                    return "Double";
                case XmlTypeCode.Duration:
                    return "Duration"; 
                case XmlTypeCode.DateTime:
                    return "DateTime"; 
                case XmlTypeCode.Time: 
                    return "Time";
                case XmlTypeCode.Date: 
                    return "Date";
                case XmlTypeCode.GYearMonth:
                    return "GYearMonth";
                case XmlTypeCode.GYear: 
                    return "GYear";
                case XmlTypeCode.GMonthDay: 
                    return "GMonthDay"; 
                case XmlTypeCode.GDay:
                    return "GDay"; 
                case XmlTypeCode.GMonth:
                    return "GMonth";
                case XmlTypeCode.HexBinary:
                    return "HexBinary"; 
                case XmlTypeCode.Base64Binary:
                    return "Base64Binary"; 
                case XmlTypeCode.AnyUri: 
                    return "AnyUri";
                case XmlTypeCode.QName: 
                    return "QName";
                case XmlTypeCode.Notation:
                    return "Notation";
                case XmlTypeCode.NormalizedString: 
                    return "NormalizedString";
                case XmlTypeCode.Token: 
                    return "Token"; 
                case XmlTypeCode.Language:
                    return "Language"; 
                case XmlTypeCode.NmToken:
                    return "NmToken";
                case XmlTypeCode.Name:
                    return "Name"; 
                case XmlTypeCode.NCName:
                    return "NCName"; 
                case XmlTypeCode.Id: 
                    return "Id";
                case XmlTypeCode.Idref: 
                    return "Idref";
                case XmlTypeCode.Entity:
                    return "Entity";
                case XmlTypeCode.Integer: 
                    return "Integer";
                case XmlTypeCode.NonPositiveInteger: 
                    return "NonPositiveInteger"; 
                case XmlTypeCode.NegativeInteger:
                    return "NegativeInteger"; 
                case XmlTypeCode.Long:
                    return "Long";
                case XmlTypeCode.Int:
                    return "Int"; 
                case XmlTypeCode.Short:
                   return "Short"; 
                case XmlTypeCode.Byte: 
                    return "Byte";
                case XmlTypeCode.NonNegativeInteger: 
                    return "NonNegativeInteger";
                case XmlTypeCode.UnsignedLong:
                    return "UnsignedLong";
                case XmlTypeCode.UnsignedInt: 
                    return "UnsignedInt";
                case XmlTypeCode.UnsignedShort: 
                    return "UnsignedShort"; 
                case XmlTypeCode.UnsignedByte:
                    return "UnsignedByte"; 
                case XmlTypeCode.PositiveInteger:
                    return "PositiveInteger";

                default: 
                    return typeCode.ToString();
            } 
        } 

        internal static string ConcatenatedToString(object value) { 
            Type t = value.GetType();
            string stringValue = string.Empty;
            if (t == typeof(IEnumerable) && t != typeof(System.String)) {
                StringBuilder bldr = new StringBuilder(); 
                IEnumerator enumerator = (value as IEnumerable).GetEnumerator();
                if (enumerator.MoveNext()) { 
                    bldr.Append("{"); 
                    Object cur = enumerator.Current;
                    if (cur is IFormattable) { 
                        bldr.Append( ((IFormattable)cur).ToString("", CultureInfo.InvariantCulture) );
                    }
                    else {
                        bldr.Append(cur.ToString()); 
                    }
                    while(enumerator.MoveNext()) { 
                        bldr.Append(" , "); 
                        cur = enumerator.Current;
                        if (cur is IFormattable) { 
                            bldr.Append( ((IFormattable)cur).ToString("", CultureInfo.InvariantCulture) );
                        }
                        else {
                            bldr.Append(cur.ToString()); 
                        }
                    } 
                    bldr.Append("}"); 
                    stringValue = bldr.ToString();
                } 
            }
            else if (value is IFormattable) {
                stringValue = ((IFormattable)value).ToString("", CultureInfo.InvariantCulture);
            } 
            else {
                stringValue = value.ToString(); 
            } 
            return stringValue;
        } 

        internal static XmlSchemaDatatype FromXmlTokenizedType(XmlTokenizedType token) {
            return DatatypeImplementation.FromXmlTokenizedType(token);
        } 

        internal static XmlSchemaDatatype FromXmlTokenizedTypeXsd(XmlTokenizedType token) { 
            return DatatypeImplementation.FromXmlTokenizedTypeXsd(token); 
        }
 
        internal static XmlSchemaDatatype FromXdrName(string name) {
            return DatatypeImplementation.FromXdrName(name);
        }
 
        internal static XmlSchemaDatatype DeriveByUnion(XmlSchemaSimpleType[] types, XmlSchemaType schemaType) {
            return DatatypeImplementation.DeriveByUnion(types, schemaType); 
        } 

        internal static string XdrCanonizeUri(string uri, XmlNameTable nameTable, SchemaNames schemaNames) { 
            string canonicalUri;
            int offset = 5;
            bool convert = false;
 
            if (uri.Length > 5 && uri.StartsWith("uuid:", StringComparison.Ordinal)) {
                convert = true; 
            } 
            else if (uri.Length > 9 && uri.StartsWith("urn:uuid:", StringComparison.Ordinal)) {
                convert = true; 
                offset = 9;
            }

            if (convert) { 
                canonicalUri = nameTable.Add(uri.Substring(0, offset) + uri.Substring(offset, uri.Length - offset).ToUpper(CultureInfo.InvariantCulture));
            } 
            else { 
                canonicalUri = uri;
            } 

            if (
                Ref.Equal(schemaNames.NsDataTypeAlias, canonicalUri) ||
                Ref.Equal(schemaNames.NsDataTypeOld  , canonicalUri) 
            ) {
                canonicalUri = schemaNames.NsDataType; 
            } 
            else if (Ref.Equal(schemaNames.NsXdrAlias, canonicalUri)) {
                canonicalUri = schemaNames.NsXdr; 
            }

            return canonicalUri;
        } 

#if [....] 
        private bool CanConvert(object value, System.Type inputType, System.Type defaultType, out string resId) { 
            resId = null;
            decimal decimalValue; 
            //TypeCode defaultTypeCode = Type.GetTypeCode(defaultType);
            if (IsIntegralType(this.TypeCode)){
                switch (Type.GetTypeCode(inputType)) {
                    case System.TypeCode.Single: 
                    case System.TypeCode.Double:
                        decimalValue = new Decimal((double)value); 
                        goto case System.TypeCode.Decimal; 
                    case System.TypeCode.Decimal:
                        decimalValue = (decimal)value; 
                        if (decimal.Truncate(decimalValue) != decimalValue) { //HasFractionDigits
                            resId = Res.Sch_XmlTypeHasFraction;
                            return false;
                        } 
                    break;
 
                    default: 
                        return true;
                } 
            }
            else if (this.TypeCode == XmlTypeCode.Boolean) {
                if (IsNumericType(inputType)) {
                    decimalValue = (decimal)value; 
                    if (decimalValue == 0 || decimalValue == 1) {
                        return true; 
                    } 
                    resId = Res.Sch_InvalidBoolean;
                    return false; 
                }
            }
            return true;
        } 

        private bool IsIntegralType(XmlTypeCode defaultTypeCode) { 
            switch (defaultTypeCode) { 
                case XmlTypeCode.Integer:
                case XmlTypeCode.NegativeInteger: 
                case XmlTypeCode.NonNegativeInteger:
                case XmlTypeCode.NonPositiveInteger:
                case XmlTypeCode.PositiveInteger:
                case XmlTypeCode.Long: 
                case XmlTypeCode.Int:
                case XmlTypeCode.Short: 
                case XmlTypeCode.Byte: 
                case XmlTypeCode.UnsignedLong:
                case XmlTypeCode.UnsignedInt: 
                case XmlTypeCode.UnsignedShort:
                case XmlTypeCode.UnsignedByte:
                   return true;
                default: 
                    return false;
            } 
        } 

        private bool IsNumericType(System.Type inputType) { 
            switch (Type.GetTypeCode(inputType)) {
                case System.TypeCode.Decimal:
                case System.TypeCode.Double:
                case System.TypeCode.Single: 
                case System.TypeCode.SByte:
                case System.TypeCode.Byte: 
                case System.TypeCode.Int16: 
                case System.TypeCode.Int32:
                case System.TypeCode.Int64: 
                case System.TypeCode.UInt16:
                case System.TypeCode.UInt32:
                case System.TypeCode.UInt64:
                    return true; 
                default:
                    return false; 
            } 
        }
#endif 
    }
}


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

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