XmlSchemaParticle.cs source code in C# .NET

                        Code:
                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Xml / System / Xml / schema / XmlSchemaParticle.cs / 1 / XmlSchemaParticle.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml.Schema { 

    using System.Xml.Serialization; 

    /// 
    /// 
    ///    [To be supplied.] 
    /// 
    public abstract class XmlSchemaParticle : XmlSchemaAnnotated { 
        [Flags] 
        enum Occurs {
            None, 
            Min,
            Max
        };
        decimal minOccurs = decimal.One; 
        decimal maxOccurs = decimal.One;
        Occurs flags = Occurs.None; 
 
        /// 
        ///  
        ///    [To be supplied.]
        /// 
        [XmlAttribute("minOccurs")]
        public string MinOccursString { 
            get {
                return (flags & Occurs.Min) == 0 ? null : XmlConvert.ToString(minOccurs); 
            } 
            set {
                if (value == null) { 
                    minOccurs = decimal.One;
                    flags &= ~Occurs.Min;
                }
                else { 
                    minOccurs = XmlConvert.ToInteger(value);
                    if (minOccurs < decimal.Zero) { 
                        throw new XmlSchemaException(Res.Sch_MinOccursInvalidXsd, string.Empty); 
                    }
                    flags |= Occurs.Min; 
                }
            }
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        [XmlAttribute("maxOccurs")] 
        public string MaxOccursString {
            get {
                return  (flags & Occurs.Max) == 0 ? null : (maxOccurs == decimal.MaxValue) ? "unbounded" : XmlConvert.ToString(maxOccurs);
            } 
            set {
                if (value == null) { 
                    maxOccurs = decimal.One; 
                    flags &= ~Occurs.Max;
                } 
                else {
                    if (value == "unbounded") {
                        maxOccurs = decimal.MaxValue;
                    } 
                    else {
                        maxOccurs = XmlConvert.ToInteger(value); 
                        if (maxOccurs < decimal.Zero) { 
                            throw new XmlSchemaException(Res.Sch_MaxOccursInvalidXsd, string.Empty);
                        } 
                        else if (maxOccurs == decimal.Zero && (flags & Occurs.Min) == 0) {
                            minOccurs = decimal.Zero;
                        }
                    } 
                    flags |= Occurs.Max;
                } 
            } 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        [XmlIgnore]
        public decimal MinOccurs { 
            get { return minOccurs; } 
            set {
                if (value < decimal.Zero || value != decimal.Truncate(value)) { 
                    throw new XmlSchemaException(Res.Sch_MinOccursInvalidXsd, string.Empty);
                }
                minOccurs = value;
                flags |= Occurs.Min; 
            }
        } 
 
        /// 
        ///  
        ///    [To be supplied.]
        /// 
        [XmlIgnore]
        public decimal MaxOccurs { 
            get { return maxOccurs; }
            set { 
                if (value < decimal.Zero || value != decimal.Truncate(value)) { 
                    throw new XmlSchemaException(Res.Sch_MaxOccursInvalidXsd, string.Empty);
                } 
                maxOccurs = value;
                if (maxOccurs == decimal.Zero && (flags & Occurs.Min) == 0) {
                    minOccurs = decimal.Zero;
                } 
                flags |= Occurs.Max;
            } 
        } 

        internal virtual bool IsEmpty { 
            get { return maxOccurs == decimal.Zero; }
        }

        internal bool IsMultipleOccurrence { 
            get { return maxOccurs > decimal.One; }
        } 
 
        internal virtual string NameString {
            get { 
                return string.Empty;
            }
        }
 
        internal XmlQualifiedName GetQualifiedName() {
            XmlSchemaElement elem = this as XmlSchemaElement; 
            if (elem != null) { 
                return elem.QualifiedName;
            } 
            else {
                XmlSchemaAny any = this as XmlSchemaAny;
                if (any != null) {
                    string ns = any.Namespace; 
                    if (ns != null) {
                        ns = ns.Trim(); 
                    } 
                    else {
                        ns = string.Empty; 
                    }
                    return new XmlQualifiedName("*", ns.Length == 0 ? "##any" : ns);
                }
            } 
            return XmlQualifiedName.Empty; //If ever called on other particles
        } 
 
        class EmptyParticle : XmlSchemaParticle {
            internal override bool IsEmpty { 
                get { return true; }
            }
        }
 
        internal static readonly XmlSchemaParticle Empty = new EmptyParticle();
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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XmlSchemaParticle.cs source code in C# .NET

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