SchemaInfo.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Xml / System / Xml / schema / SchemaInfo.cs / 1 / SchemaInfo.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml.Schema { 

    using System; 
    using System.Collections;
    using System.Diagnostics;

    internal enum AttributeMatchState { 
        AttributeFound,
        AnyIdAttributeFound, 
        UndeclaredElementAndAttribute, 
        UndeclaredAttribute,
        AnyAttributeLax, 
        AnyAttributeSkip,
        ProhibitedAnyAttribute,
        ProhibitedAttribute,
        AttributeNameMismatch, 
        ValidateAttributeInvalidCall,
    } 
 
    internal class SchemaInfo {
        SchemaType schemaType; 
        Hashtable targetNamespaces = new Hashtable();
        Hashtable elementDecls = new Hashtable();
        Hashtable undeclaredElementDecls = new Hashtable();
        Hashtable elementDeclsByType = new Hashtable(); 
        Hashtable attributeDecls = new Hashtable();
 
        Hashtable generalEntities; 
        Hashtable parameterEntities;
        Hashtable notations; 
        XmlQualifiedName docTypeName = XmlQualifiedName.Empty;
        int errorCount;
        bool hasNonCDataAttributes = false;
        bool hasDefaultAttributes = false; 

        public SchemaInfo() { 
            schemaType = SchemaType.None; 
        }
 
        public SchemaType SchemaType {
            get { return schemaType;}
            set { schemaType = value;}
        } 

        public Hashtable TargetNamespaces { 
            get { return targetNamespaces; } 
        }
 
        public Hashtable ElementDecls {
            get { return elementDecls; }
        }
 
        public Hashtable UndeclaredElementDecls {
            get { return undeclaredElementDecls; } 
        } 

        public Hashtable ElementDeclsByType { 
            get { return elementDeclsByType; }
        }

        public Hashtable AttributeDecls { 
            get { return attributeDecls; }
        } 
 
        public Hashtable GeneralEntities {
            get { 
                if (this.generalEntities == null) {
                    this.generalEntities = new Hashtable();
                }
                return this.generalEntities; 
            }
        } 
 
        public Hashtable ParameterEntities {
            get { 
                if (this.parameterEntities == null) {
                    this.parameterEntities = new Hashtable();
                }
                return this.parameterEntities; 
            }
        } 
 
        public Hashtable Notations {
            get { 
                if (this.notations == null) {
                    this.notations = new Hashtable();
                }
                return this.notations; 
            }
        } 
 
        public XmlQualifiedName DocTypeName {
            get { return docTypeName;} 
            set { docTypeName = value;}
        }

        public int ErrorCount { 
            get { return errorCount; }
            set { errorCount = value; } 
        } 

        public SchemaElementDecl GetElementDecl(XmlQualifiedName qname) { 
            return (SchemaElementDecl)elementDecls[qname];
        }

        public SchemaElementDecl GetTypeDecl(XmlQualifiedName qname) { 
            return (SchemaElementDecl)elementDeclsByType[qname];
        } 
 
        public XmlSchemaElement GetElement(XmlQualifiedName qname) {
            SchemaElementDecl ed = GetElementDecl(qname); 
            if (ed != null) {
                return ed.SchemaElement;
            }
            return null; 
        }
 
        public XmlSchemaAttribute GetAttribute(XmlQualifiedName qname) { 
            SchemaAttDef attdef = (SchemaAttDef)attributeDecls[qname];
            if (attdef != null) { 
                return attdef.SchemaAttribute;
            }
            return null;
        } 

        public XmlSchemaElement GetType(XmlQualifiedName qname) { 
            SchemaElementDecl ed = GetElementDecl(qname); 
            if (ed != null) {
                return ed.SchemaElement; 
            }
            return null;
        }
 
        public bool HasSchema(string ns) {
            return targetNamespaces[ns] != null; 
        } 

        public bool Contains(string ns) { 
            return targetNamespaces[ns] != null;
        }

        public SchemaAttDef GetAttributeXdr(SchemaElementDecl ed, XmlQualifiedName qname) { 
            SchemaAttDef attdef = null;
            if (ed != null) { 
                attdef = ed.GetAttDef(qname);; 
                if (attdef == null) {
                    if (!ed.ContentValidator.IsOpen || qname.Namespace.Length == 0) { 
                        throw new XmlSchemaException(Res.Sch_UndeclaredAttribute, qname.ToString());
                    }
                    attdef = (SchemaAttDef)attributeDecls[qname];
                    if (attdef == null && targetNamespaces.Contains(qname.Namespace)) { 
                        throw new XmlSchemaException(Res.Sch_UndeclaredAttribute, qname.ToString());
                    } 
                } 
            }
            return attdef; 
        }


        public SchemaAttDef GetAttributeXsd(SchemaElementDecl ed, XmlQualifiedName qname, XmlSchemaObject partialValidationType, out AttributeMatchState attributeMatchState) { 
            SchemaAttDef attdef = null;
            attributeMatchState = AttributeMatchState.UndeclaredAttribute; 
            if (ed != null) { 
                attdef = ed.GetAttDef(qname);
                if (attdef != null) { 
                    attributeMatchState = AttributeMatchState.AttributeFound;
                    return attdef;
                }
                XmlSchemaAnyAttribute any = ed.AnyAttribute; 
                if (any != null) {
                    if (!any.NamespaceList.Allows(qname)) { 
                        attributeMatchState = AttributeMatchState.ProhibitedAnyAttribute; 
                    }
                    else if (any.ProcessContentsCorrect != XmlSchemaContentProcessing.Skip) { 
                        attdef = (SchemaAttDef)attributeDecls[qname];
                        if (attdef != null) {
                            if (attdef.Datatype.TypeCode == XmlTypeCode.Id) { //anyAttribute match whose type is ID
                                attributeMatchState = AttributeMatchState.AnyIdAttributeFound; 
                            }
                            else { 
                                attributeMatchState = AttributeMatchState.AttributeFound; 
                            }
                        } 
                        else if (any.ProcessContentsCorrect == XmlSchemaContentProcessing.Lax) {
                            attributeMatchState = AttributeMatchState.AnyAttributeLax;
                        }
                    } 
                    else {
                        attributeMatchState = AttributeMatchState.AnyAttributeSkip; 
                    } 
                }
                else if (ed.ProhibitedAttributes[qname] != null) { 
                    attributeMatchState = AttributeMatchState.ProhibitedAttribute;
                }
            }
            else if (partialValidationType != null) { 
                XmlSchemaAttribute attr = partialValidationType as XmlSchemaAttribute;
                if (attr != null) { 
                    if (qname.Equals(attr.QualifiedName)) { 
                        attdef = attr.AttDef;
                        attributeMatchState = AttributeMatchState.AttributeFound; 
                    }
                    else {
                        attributeMatchState = AttributeMatchState.AttributeNameMismatch;
                    } 
                }
                else { 
                    attributeMatchState = AttributeMatchState.ValidateAttributeInvalidCall; 
                }
            } 
            else {
                attdef = (SchemaAttDef)attributeDecls[qname];
                if (attdef != null) {
                    attributeMatchState = AttributeMatchState.AttributeFound; 
                }
                else { 
                    attributeMatchState = AttributeMatchState.UndeclaredElementAndAttribute; 
                }
            } 
            return attdef;
        }

        public SchemaAttDef GetAttributeXsd(SchemaElementDecl ed, XmlQualifiedName qname, ref bool skip) { 
            AttributeMatchState attributeMatchState;
 
            SchemaAttDef attDef = GetAttributeXsd(ed, qname, null, out attributeMatchState); 
            switch(attributeMatchState) {
                case AttributeMatchState.UndeclaredAttribute: 
                    throw new XmlSchemaException(Res.Sch_UndeclaredAttribute, qname.ToString());

                case AttributeMatchState.ProhibitedAnyAttribute:
                case AttributeMatchState.ProhibitedAttribute: 
                    throw new XmlSchemaException(Res.Sch_ProhibitedAttribute, qname.ToString());
 
                case AttributeMatchState.AttributeFound: 
                case AttributeMatchState.AnyAttributeLax:
                case AttributeMatchState.UndeclaredElementAndAttribute: 
                    break;

                case AttributeMatchState.AnyAttributeSkip:
                    skip = true; 
                    break;
 
                default: 
                    Debug.Assert(false);
                    break; 
            }
            return attDef;
        }
 
        public void Add(SchemaInfo sinfo, ValidationEventHandler eventhandler) {
            if (schemaType == SchemaType.None) { 
                schemaType = sinfo.SchemaType; 
            }
            else if (schemaType != sinfo.SchemaType) { 
                if (eventhandler != null) {
                    eventhandler(this, new ValidationEventArgs(new XmlSchemaException(Res.Sch_MixSchemaTypes, string.Empty)));
                }
                return; 
            }
 
            foreach(string tns in sinfo.TargetNamespaces.Keys) { 
                if (!targetNamespaces.ContainsKey(tns)) {
                    targetNamespaces.Add(tns, true); 
                }
            }

            foreach(DictionaryEntry entry in sinfo.elementDecls) { 
                if (!elementDecls.ContainsKey(entry.Key)) {
                    elementDecls.Add(entry.Key, entry.Value); 
                } 
            }
            foreach(DictionaryEntry entry in sinfo.elementDeclsByType) { 
                if (!elementDeclsByType.ContainsKey(entry.Key)) {
                    elementDeclsByType.Add(entry.Key, entry.Value);
                }
            } 
            foreach (SchemaAttDef attdef in sinfo.AttributeDecls.Values) {
                if (!attributeDecls.ContainsKey(attdef.Name)) { 
                    attributeDecls.Add(attdef.Name, attdef); 
                }
            } 
            foreach (SchemaNotation notation in sinfo.Notations.Values) {
                if (!Notations.ContainsKey(notation.Name.Name)) {
                    Notations.Add(notation.Name.Name, notation);
                } 
            }
 
        } 

        public void Finish() { 
            Hashtable elementHT = elementDecls;
            for ( int i = 0; i < 2; i++ ) {
                foreach ( SchemaElementDecl e in elementHT.Values ) {
                    e.EndAddAttDef(); 
                    if ( e.HasNonCDataAttribute ) {
                        hasNonCDataAttributes = true; 
                    } 
                    if ( e.DefaultAttDefs != null ) {
                        hasDefaultAttributes = true; 
                    }
                }
                elementHT = undeclaredElementDecls;
            } 
        }
 
        internal bool HasDefaultAttributes { 
            get {
                return hasDefaultAttributes; 
            }
            set {
                hasDefaultAttributes = value;
            } 
        }
 
        internal bool HasNonCDataAttributes { 
            get {
                return hasNonCDataAttributes; 
            }
            set {
                hasNonCDataAttributes = value;
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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