XmlSchema.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / Xml / System / Xml / schema / XmlSchema.cs / 1 / XmlSchema.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml.Schema { 

    using System.IO; 
    using System.Collections;
    using System.ComponentModel;
    using System.Xml.Serialization;
    using System.Threading; 
    using System.Diagnostics;
 
    ///  
    /// 
    ///    [To be supplied.] 
    /// 
    [XmlRoot("schema", Namespace=XmlSchema.Namespace)]
    public class XmlSchema : XmlSchemaObject {
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public const string Namespace = XmlReservedNs.NsXs; 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        public const string InstanceNamespace = XmlReservedNs.NsXsi;
 
        XmlSchemaForm attributeFormDefault = XmlSchemaForm.None; 
        XmlSchemaForm elementFormDefault = XmlSchemaForm.None;
        XmlSchemaDerivationMethod blockDefault = XmlSchemaDerivationMethod.None; 
        XmlSchemaDerivationMethod finalDefault = XmlSchemaDerivationMethod.None;
        string targetNs;
        string version;
        XmlSchemaObjectCollection includes = new XmlSchemaObjectCollection(); 
        XmlSchemaObjectCollection items = new XmlSchemaObjectCollection();
        string id; 
        XmlAttribute[] moreAttributes; 

        // compiled info 
        bool isCompiled = false;
        bool isCompiledBySet = false;
        bool isPreprocessed = false;
        bool isRedefined = false; 
        int errorCount = 0;
        XmlSchemaObjectTable attributes; 
        XmlSchemaObjectTable attributeGroups = new XmlSchemaObjectTable(); 
        XmlSchemaObjectTable elements = new XmlSchemaObjectTable();
        XmlSchemaObjectTable types = new XmlSchemaObjectTable(); 
        XmlSchemaObjectTable groups = new XmlSchemaObjectTable();
        XmlSchemaObjectTable notations = new XmlSchemaObjectTable();
        XmlSchemaObjectTable identityConstraints = new XmlSchemaObjectTable();
 
        static int globalIdCounter = -1;
        ArrayList importedSchemas; 
        ArrayList importedNamespaces; 

        int schemaId = -1; //Not added to a set 
        Uri baseUri;
        bool    isChameleon;
        Hashtable ids = new Hashtable();
        XmlDocument document; 
        XmlNameTable nameTable;
 
        ///  
        /// 
        ///    [To be supplied.] 
        /// 
        public XmlSchema() {}

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        public static XmlSchema Read(TextReader reader, ValidationEventHandler validationEventHandler) {
            return Read(new XmlTextReader(reader), validationEventHandler); 
        }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        public static XmlSchema Read(Stream stream, ValidationEventHandler validationEventHandler) { 
            return Read(new XmlTextReader(stream), validationEventHandler);
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        public static XmlSchema Read(XmlReader reader, ValidationEventHandler validationEventHandler) { 
            XmlNameTable nameTable = reader.NameTable; 
            Parser parser = new Parser(SchemaType.XSD, nameTable, new SchemaNames(nameTable), validationEventHandler);
            try { 
                parser.Parse(reader, null);
            }
            catch(XmlSchemaException e) {
                if (validationEventHandler != null) { 
                    validationEventHandler(null, new ValidationEventArgs(e));
                } 
                else { 
                    throw e;
                } 
                return null;
            }
            return parser.XmlSchema;
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public void Write(Stream stream) {
            Write(stream, null);
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public void Write(Stream stream, XmlNamespaceManager namespaceManager) { 
            XmlTextWriter xmlWriter = new XmlTextWriter(stream, null);
            xmlWriter.Formatting = Formatting.Indented;
            Write(xmlWriter, namespaceManager);
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public void Write(TextWriter writer) {
            Write(writer, null);
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public void Write(TextWriter writer, XmlNamespaceManager namespaceManager) { 
            XmlTextWriter xmlWriter = new XmlTextWriter(writer);
            xmlWriter.Formatting = Formatting.Indented;
            Write(xmlWriter, namespaceManager);
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public void Write(XmlWriter writer) {
            Write(writer, null);
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public void Write(XmlWriter writer, XmlNamespaceManager namespaceManager) { 
            XmlSerializer serializer = new XmlSerializer(typeof(XmlSchema));
            XmlSerializerNamespaces ns;

            if (namespaceManager != null) { 
                ns = new XmlSerializerNamespaces();
                bool ignoreXS = false; 
                if (this.Namespaces != null) { //User may have set both nsManager and Namespaces property on the XmlSchema object 
                    ignoreXS = this.Namespaces.Namespaces["xs"] != null || this.Namespaces.Namespaces.ContainsValue(XmlReservedNs.NsXs);
 
                }
                if (!ignoreXS && namespaceManager.LookupPrefix(XmlReservedNs.NsXs) == null &&
                    namespaceManager.LookupNamespace("xs") == null ) {
                        ns.Add("xs", XmlReservedNs.NsXs); 
                }
                foreach(string prefix in namespaceManager) { 
                    if (prefix != "xml" && prefix != "xmlns") { 
                        ns.Add(prefix, namespaceManager.LookupNamespace(prefix));
                    } 
                }

            } else if (this.Namespaces != null && this.Namespaces.Count > 0) {
                Hashtable serializerNS = this.Namespaces.Namespaces; 
                if (serializerNS["xs"] == null && !serializerNS.ContainsValue(XmlReservedNs.NsXs)) { //Prefix xs not defined AND schema namespace not already mapped to a prefix
                    serializerNS.Add("xs", XmlReservedNs.NsXs); 
                } 
                ns = this.Namespaces;
            } 
            else {
                ns = new XmlSerializerNamespaces();
                ns.Add("xs", XmlSchema.Namespace);
                if (targetNs != null && targetNs.Length != 0) { 
                    ns.Add("tns", targetNs);
                } 
            } 
            serializer.Serialize(writer, this, ns);
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        [Obsolete("Use System.Xml.Schema.XmlSchemaSet for schema compilation and validation. http://go.microsoft.com/fwlink/?linkid=14202")] 
        public void Compile(ValidationEventHandler validationEventHandler) { 
            SchemaInfo sInfo = new SchemaInfo();
            sInfo.SchemaType = SchemaType.XSD; 
            CompileSchema(null, new XmlUrlResolver(), sInfo, null, validationEventHandler, NameTable, false);
        }

       ///  
        /// 
        ///    [To be supplied.] 
        ///  
        [Obsolete("Use System.Xml.Schema.XmlSchemaSet for schema compilation and validation. http://go.microsoft.com/fwlink/?linkid=14202")]
        public void Compile(ValidationEventHandler validationEventHandler, XmlResolver resolver) { 
            SchemaInfo sInfo = new SchemaInfo();
            sInfo.SchemaType = SchemaType.XSD;
            CompileSchema(null, resolver, sInfo, null, validationEventHandler, NameTable, false);
        } 

#pragma warning disable 618 
        internal bool CompileSchema(XmlSchemaCollection xsc, XmlResolver resolver, SchemaInfo schemaInfo, string ns, ValidationEventHandler validationEventHandler, XmlNameTable nameTable, bool CompileContentModel) { 

            //Need to lock here to prevent multi-threading problems when same schema is added to set and compiled 
            lock (this) {
                //Preprocessing
                SchemaCollectionPreprocessor prep = new SchemaCollectionPreprocessor(nameTable, null, validationEventHandler);
                prep.XmlResolver = resolver; 
                if (!prep.Execute(this, ns, true, xsc)) {
                    return false; 
                } 

                //Compilation 
                SchemaCollectionCompiler compiler = new SchemaCollectionCompiler(nameTable, validationEventHandler);
                isCompiled = compiler.Execute(this, schemaInfo, CompileContentModel);
                this.SetIsCompiled(isCompiled);
                // 
                return isCompiled;
            } 
        } 
#pragma warning restore 618
 
        internal void CompileSchemaInSet(XmlNameTable nameTable, ValidationEventHandler eventHandler, XmlSchemaCompilationSettings compilationSettings) {
            Debug.Assert(this.isPreprocessed);
            Compiler setCompiler = new Compiler(nameTable, eventHandler, null, compilationSettings);
            setCompiler.Prepare(this, true); 
            this.isCompiledBySet = setCompiler.Compile();
        } 
 
        /// 
        ///  
        ///    [To be supplied.]
        /// 
        [XmlAttribute("attributeFormDefault"), DefaultValue(XmlSchemaForm.None)]
        public XmlSchemaForm AttributeFormDefault { 
             get { return attributeFormDefault; }
             set { attributeFormDefault = value; } 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        [XmlAttribute("blockDefault"), DefaultValue(XmlSchemaDerivationMethod.None)] 
        public XmlSchemaDerivationMethod BlockDefault {
             get { return blockDefault; } 
             set { blockDefault = value; } 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        [XmlAttribute("finalDefault"), DefaultValue(XmlSchemaDerivationMethod.None)]
        public XmlSchemaDerivationMethod FinalDefault { 
             get { return finalDefault; } 
             set { finalDefault = value; }
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        [XmlAttribute("elementFormDefault"), DefaultValue(XmlSchemaForm.None)] 
        public XmlSchemaForm ElementFormDefault { 
             get { return elementFormDefault; }
             set { elementFormDefault = value; } 
        }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        [XmlAttribute("targetNamespace", DataType="anyURI")] 
        public string TargetNamespace {
             get { return targetNs; } 
             set { targetNs = value; }
        }

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        [XmlAttribute("version", DataType="token")]
        public string Version { 
             get { return version; }
             set { version = value; }
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        [XmlElement("include", typeof(XmlSchemaInclude)), 
         XmlElement("import", typeof(XmlSchemaImport)),
         XmlElement("redefine", typeof(XmlSchemaRedefine))]
        public XmlSchemaObjectCollection Includes {
            get { return includes; } 
        }
 
        ///  
        /// 
        ///    [To be supplied.] 
        /// 
        [XmlElement("annotation", typeof(XmlSchemaAnnotation)),
         XmlElement("attribute", typeof(XmlSchemaAttribute)),
         XmlElement("attributeGroup", typeof(XmlSchemaAttributeGroup)), 
         XmlElement("complexType", typeof(XmlSchemaComplexType)),
         XmlElement("simpleType", typeof(XmlSchemaSimpleType)), 
         XmlElement("element", typeof(XmlSchemaElement)), 
         XmlElement("group", typeof(XmlSchemaGroup)),
         XmlElement("notation", typeof(XmlSchemaNotation))] 
        public XmlSchemaObjectCollection Items {
            get { return items; }
        }
 
        // Compiled info
        ///  
        ///  
        ///    [To be supplied.]
        ///  
        [XmlIgnore]
        public bool IsCompiled {
            get {
                return isCompiled || isCompiledBySet ; 
            }
        } 
 
        [XmlIgnore]
        internal bool IsCompiledBySet { 
            get { return isCompiledBySet; }
            set { isCompiledBySet = value; }
        }
 
        [XmlIgnore]
        internal bool IsPreprocessed { 
            get { return isPreprocessed; } 
            set { isPreprocessed = value; }
        } 

        [XmlIgnore]
        internal bool IsRedefined {
            get { return isRedefined; } 
            set { isRedefined = value; }
        } 
 
        /// 
        ///  
        ///    [To be supplied.]
        /// 
        [XmlIgnore]
        public XmlSchemaObjectTable Attributes { 
            get {
                if (attributes == null) { 
                    attributes = new XmlSchemaObjectTable(); 
                }
                return attributes; 
            }
        }

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        [XmlIgnore]
        public XmlSchemaObjectTable AttributeGroups { 
            get {
                if (attributeGroups == null) {
                    attributeGroups = new XmlSchemaObjectTable();
                } 
                return attributeGroups;
            } 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        [XmlIgnore] 
        public XmlSchemaObjectTable SchemaTypes {
            get { 
                if (types == null) { 
                    types = new XmlSchemaObjectTable();
                } 
                return types;
            }
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        [XmlIgnore] 
        public XmlSchemaObjectTable Elements {
            get {
                if (elements == null) {
                    elements = new XmlSchemaObjectTable(); 
                }
                return elements; 
            } 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        [XmlAttribute("id", DataType="ID")]
        public string Id { 
            get { return id; } 
            set { id = value; }
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        [XmlAnyAttribute] 
        public XmlAttribute[] UnhandledAttributes { 
            get { return moreAttributes; }
            set { moreAttributes = value; } 
        }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        [XmlIgnore] 
        public XmlSchemaObjectTable Groups {
            get { return groups; } 
        }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        [XmlIgnore] 
        public XmlSchemaObjectTable Notations {
            get { return notations; } 
        }

        [XmlIgnore]
        internal XmlSchemaObjectTable IdentityConstraints { 
            get { return identityConstraints; }
        } 
 
        [XmlIgnore]
        internal Uri BaseUri { 
            get { return baseUri; }
            set {
                baseUri = value;
            } 
        }
 
        [XmlIgnore] 
        internal int SchemaId {
            get { 
                if (schemaId == -1) {
                    schemaId = Interlocked.Increment(ref globalIdCounter);
                }
                return schemaId; 
            }
        } 
 
        [XmlIgnore]
        internal bool IsChameleon { 
            get { return isChameleon; }
            set { isChameleon = value; }
        }
 
        [XmlIgnore]
        internal Hashtable Ids { 
            get { return ids; } 
        }
 
        [XmlIgnore]
        internal XmlDocument Document {
            get { if (document == null) document = new XmlDocument(); return document; }
        } 

        [XmlIgnore] 
        internal int ErrorCount { 
            get { return errorCount; }
            set { errorCount = value; } 
        }

        internal new XmlSchema Clone() {
            XmlSchema that = new XmlSchema(); 
            that.attributeFormDefault   = this.attributeFormDefault;
            that.elementFormDefault     = this.elementFormDefault; 
            that.blockDefault           = this.blockDefault; 
            that.finalDefault           = this.finalDefault;
            that.targetNs               = this.targetNs; 
            that.version                = this.version;
            that.includes               = this.includes;

            that.Namespaces             = this.Namespaces; 
            that.items                  = this.items;
            that.BaseUri                = this.BaseUri; 
 
            SchemaCollectionCompiler.Cleanup(that);
            return that; 
        }

        internal XmlSchema DeepClone() {
            XmlSchema that = new XmlSchema(); 
            that.attributeFormDefault   = this.attributeFormDefault;
            that.elementFormDefault     = this.elementFormDefault; 
            that.blockDefault           = this.blockDefault; 
            that.finalDefault           = this.finalDefault;
            that.targetNs               = this.targetNs; 
            that.version                = this.version;
            that.isPreprocessed         = this.isPreprocessed;
            //that.IsProcessing           = this.IsProcessing; //Not sure if this is needed
 
            //Clone its Items
            foreach (XmlSchemaObject item in this.items) { 
                XmlSchemaObject newItem = item.Clone(); 
                that.Items.Add(newItem);
            } 

            //Clone Includes
            foreach (XmlSchemaExternal include in this.includes) {
                XmlSchemaExternal newInclude = (XmlSchemaExternal)include.Clone(); 
                that.Includes.Add(newInclude);
            } 
            that.Namespaces             = this.Namespaces; 
            //that.includes               = this.includes; //Need to verify this is OK for redefines
            that.BaseUri                = this.BaseUri; 
            return that;
        }

        [XmlIgnore] 
        internal override string IdAttribute {
            get { return Id; } 
            set { Id = value; } 
        }
 
        internal void SetIsCompiled(bool isCompiled) {
            this.isCompiled = isCompiled;
        }
 
        internal override void SetUnhandledAttributes(XmlAttribute[] moreAttributes) {
            this.moreAttributes = moreAttributes; 
        } 
        internal override void AddAnnotation(XmlSchemaAnnotation annotation) {
            items.Add(annotation); 
        }

        internal XmlNameTable NameTable {
            get { if (nameTable == null) nameTable = new System.Xml.NameTable(); return nameTable; } 
        }
 
        internal ArrayList ImportedSchemas { 
            get {
                if (importedSchemas == null) { 
                    importedSchemas = new ArrayList();
                }
                return importedSchemas;
            } 
        }
 
        internal ArrayList ImportedNamespaces { 
            get {
                if (importedNamespaces == null) { 
                    importedNamespaces = new ArrayList();
                }
                return importedNamespaces;
            } 
        }
 
        internal void GetExternalSchemasList(IList extList, XmlSchema schema) { 
            Debug.Assert(extList != null && schema != null);
            if (extList.Contains(schema)) { 
                return;
            }
            extList.Add(schema);
            foreach (XmlSchemaExternal ext in schema.Includes) { 
                if (ext.Schema != null) {
                    GetExternalSchemasList(extList, ext.Schema); 
                } 
            }
        } 

        internal void AddCompiledInfo(SchemaInfo schemaInfo) {
            XmlQualifiedName itemName;
            foreach (XmlSchemaElement element in elements.Values) { 
                itemName = element.QualifiedName;
                schemaInfo.TargetNamespaces[itemName.Namespace] = true; 
                if (schemaInfo.ElementDecls[itemName] == null) { 
                    schemaInfo.ElementDecls.Add(itemName, element.ElementDecl);
                } 
            }
            foreach (XmlSchemaAttribute attribute in attributes.Values) {
                itemName = attribute.QualifiedName;
                schemaInfo.TargetNamespaces[itemName.Namespace] = true; 
                if (schemaInfo.ElementDecls[itemName] == null) {
                    schemaInfo.AttributeDecls.Add(itemName, attribute.AttDef); 
                } 
            }
            foreach (XmlSchemaType type in types.Values) { 
                itemName = type.QualifiedName;
                schemaInfo.TargetNamespaces[itemName.Namespace] = true;
                XmlSchemaComplexType complexType = type as XmlSchemaComplexType;
                if ((complexType == null || type != XmlSchemaComplexType.AnyType) && schemaInfo.ElementDeclsByType[itemName] == null) { 
                    schemaInfo.ElementDeclsByType.Add(itemName, type.ElementDecl);
                } 
            } 
            foreach (XmlSchemaNotation notation in notations.Values) {
                itemName = notation.QualifiedName; 
                schemaInfo.TargetNamespaces[itemName.Namespace] = true;
                SchemaNotation no = new SchemaNotation(itemName);
                no.SystemLiteral = notation.System;
                no.Pubid = notation.Public; 
                if (schemaInfo.Notations[itemName.Name] == null) {
                    schemaInfo.Notations.Add(itemName.Name, no); 
                } 
            }
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml.Schema { 

    using System.IO; 
    using System.Collections;
    using System.ComponentModel;
    using System.Xml.Serialization;
    using System.Threading; 
    using System.Diagnostics;
 
    ///  
    /// 
    ///    [To be supplied.] 
    /// 
    [XmlRoot("schema", Namespace=XmlSchema.Namespace)]
    public class XmlSchema : XmlSchemaObject {
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public const string Namespace = XmlReservedNs.NsXs; 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        public const string InstanceNamespace = XmlReservedNs.NsXsi;
 
        XmlSchemaForm attributeFormDefault = XmlSchemaForm.None; 
        XmlSchemaForm elementFormDefault = XmlSchemaForm.None;
        XmlSchemaDerivationMethod blockDefault = XmlSchemaDerivationMethod.None; 
        XmlSchemaDerivationMethod finalDefault = XmlSchemaDerivationMethod.None;
        string targetNs;
        string version;
        XmlSchemaObjectCollection includes = new XmlSchemaObjectCollection(); 
        XmlSchemaObjectCollection items = new XmlSchemaObjectCollection();
        string id; 
        XmlAttribute[] moreAttributes; 

        // compiled info 
        bool isCompiled = false;
        bool isCompiledBySet = false;
        bool isPreprocessed = false;
        bool isRedefined = false; 
        int errorCount = 0;
        XmlSchemaObjectTable attributes; 
        XmlSchemaObjectTable attributeGroups = new XmlSchemaObjectTable(); 
        XmlSchemaObjectTable elements = new XmlSchemaObjectTable();
        XmlSchemaObjectTable types = new XmlSchemaObjectTable(); 
        XmlSchemaObjectTable groups = new XmlSchemaObjectTable();
        XmlSchemaObjectTable notations = new XmlSchemaObjectTable();
        XmlSchemaObjectTable identityConstraints = new XmlSchemaObjectTable();
 
        static int globalIdCounter = -1;
        ArrayList importedSchemas; 
        ArrayList importedNamespaces; 

        int schemaId = -1; //Not added to a set 
        Uri baseUri;
        bool    isChameleon;
        Hashtable ids = new Hashtable();
        XmlDocument document; 
        XmlNameTable nameTable;
 
        ///  
        /// 
        ///    [To be supplied.] 
        /// 
        public XmlSchema() {}

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        public static XmlSchema Read(TextReader reader, ValidationEventHandler validationEventHandler) {
            return Read(new XmlTextReader(reader), validationEventHandler); 
        }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        public static XmlSchema Read(Stream stream, ValidationEventHandler validationEventHandler) { 
            return Read(new XmlTextReader(stream), validationEventHandler);
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        public static XmlSchema Read(XmlReader reader, ValidationEventHandler validationEventHandler) { 
            XmlNameTable nameTable = reader.NameTable; 
            Parser parser = new Parser(SchemaType.XSD, nameTable, new SchemaNames(nameTable), validationEventHandler);
            try { 
                parser.Parse(reader, null);
            }
            catch(XmlSchemaException e) {
                if (validationEventHandler != null) { 
                    validationEventHandler(null, new ValidationEventArgs(e));
                } 
                else { 
                    throw e;
                } 
                return null;
            }
            return parser.XmlSchema;
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public void Write(Stream stream) {
            Write(stream, null);
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public void Write(Stream stream, XmlNamespaceManager namespaceManager) { 
            XmlTextWriter xmlWriter = new XmlTextWriter(stream, null);
            xmlWriter.Formatting = Formatting.Indented;
            Write(xmlWriter, namespaceManager);
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public void Write(TextWriter writer) {
            Write(writer, null);
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public void Write(TextWriter writer, XmlNamespaceManager namespaceManager) { 
            XmlTextWriter xmlWriter = new XmlTextWriter(writer);
            xmlWriter.Formatting = Formatting.Indented;
            Write(xmlWriter, namespaceManager);
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public void Write(XmlWriter writer) {
            Write(writer, null);
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public void Write(XmlWriter writer, XmlNamespaceManager namespaceManager) { 
            XmlSerializer serializer = new XmlSerializer(typeof(XmlSchema));
            XmlSerializerNamespaces ns;

            if (namespaceManager != null) { 
                ns = new XmlSerializerNamespaces();
                bool ignoreXS = false; 
                if (this.Namespaces != null) { //User may have set both nsManager and Namespaces property on the XmlSchema object 
                    ignoreXS = this.Namespaces.Namespaces["xs"] != null || this.Namespaces.Namespaces.ContainsValue(XmlReservedNs.NsXs);
 
                }
                if (!ignoreXS && namespaceManager.LookupPrefix(XmlReservedNs.NsXs) == null &&
                    namespaceManager.LookupNamespace("xs") == null ) {
                        ns.Add("xs", XmlReservedNs.NsXs); 
                }
                foreach(string prefix in namespaceManager) { 
                    if (prefix != "xml" && prefix != "xmlns") { 
                        ns.Add(prefix, namespaceManager.LookupNamespace(prefix));
                    } 
                }

            } else if (this.Namespaces != null && this.Namespaces.Count > 0) {
                Hashtable serializerNS = this.Namespaces.Namespaces; 
                if (serializerNS["xs"] == null && !serializerNS.ContainsValue(XmlReservedNs.NsXs)) { //Prefix xs not defined AND schema namespace not already mapped to a prefix
                    serializerNS.Add("xs", XmlReservedNs.NsXs); 
                } 
                ns = this.Namespaces;
            } 
            else {
                ns = new XmlSerializerNamespaces();
                ns.Add("xs", XmlSchema.Namespace);
                if (targetNs != null && targetNs.Length != 0) { 
                    ns.Add("tns", targetNs);
                } 
            } 
            serializer.Serialize(writer, this, ns);
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        [Obsolete("Use System.Xml.Schema.XmlSchemaSet for schema compilation and validation. http://go.microsoft.com/fwlink/?linkid=14202")] 
        public void Compile(ValidationEventHandler validationEventHandler) { 
            SchemaInfo sInfo = new SchemaInfo();
            sInfo.SchemaType = SchemaType.XSD; 
            CompileSchema(null, new XmlUrlResolver(), sInfo, null, validationEventHandler, NameTable, false);
        }

       ///  
        /// 
        ///    [To be supplied.] 
        ///  
        [Obsolete("Use System.Xml.Schema.XmlSchemaSet for schema compilation and validation. http://go.microsoft.com/fwlink/?linkid=14202")]
        public void Compile(ValidationEventHandler validationEventHandler, XmlResolver resolver) { 
            SchemaInfo sInfo = new SchemaInfo();
            sInfo.SchemaType = SchemaType.XSD;
            CompileSchema(null, resolver, sInfo, null, validationEventHandler, NameTable, false);
        } 

#pragma warning disable 618 
        internal bool CompileSchema(XmlSchemaCollection xsc, XmlResolver resolver, SchemaInfo schemaInfo, string ns, ValidationEventHandler validationEventHandler, XmlNameTable nameTable, bool CompileContentModel) { 

            //Need to lock here to prevent multi-threading problems when same schema is added to set and compiled 
            lock (this) {
                //Preprocessing
                SchemaCollectionPreprocessor prep = new SchemaCollectionPreprocessor(nameTable, null, validationEventHandler);
                prep.XmlResolver = resolver; 
                if (!prep.Execute(this, ns, true, xsc)) {
                    return false; 
                } 

                //Compilation 
                SchemaCollectionCompiler compiler = new SchemaCollectionCompiler(nameTable, validationEventHandler);
                isCompiled = compiler.Execute(this, schemaInfo, CompileContentModel);
                this.SetIsCompiled(isCompiled);
                // 
                return isCompiled;
            } 
        } 
#pragma warning restore 618
 
        internal void CompileSchemaInSet(XmlNameTable nameTable, ValidationEventHandler eventHandler, XmlSchemaCompilationSettings compilationSettings) {
            Debug.Assert(this.isPreprocessed);
            Compiler setCompiler = new Compiler(nameTable, eventHandler, null, compilationSettings);
            setCompiler.Prepare(this, true); 
            this.isCompiledBySet = setCompiler.Compile();
        } 
 
        /// 
        ///  
        ///    [To be supplied.]
        /// 
        [XmlAttribute("attributeFormDefault"), DefaultValue(XmlSchemaForm.None)]
        public XmlSchemaForm AttributeFormDefault { 
             get { return attributeFormDefault; }
             set { attributeFormDefault = value; } 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        [XmlAttribute("blockDefault"), DefaultValue(XmlSchemaDerivationMethod.None)] 
        public XmlSchemaDerivationMethod BlockDefault {
             get { return blockDefault; } 
             set { blockDefault = value; } 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        [XmlAttribute("finalDefault"), DefaultValue(XmlSchemaDerivationMethod.None)]
        public XmlSchemaDerivationMethod FinalDefault { 
             get { return finalDefault; } 
             set { finalDefault = value; }
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        [XmlAttribute("elementFormDefault"), DefaultValue(XmlSchemaForm.None)] 
        public XmlSchemaForm ElementFormDefault { 
             get { return elementFormDefault; }
             set { elementFormDefault = value; } 
        }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        [XmlAttribute("targetNamespace", DataType="anyURI")] 
        public string TargetNamespace {
             get { return targetNs; } 
             set { targetNs = value; }
        }

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        [XmlAttribute("version", DataType="token")]
        public string Version { 
             get { return version; }
             set { version = value; }
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        [XmlElement("include", typeof(XmlSchemaInclude)), 
         XmlElement("import", typeof(XmlSchemaImport)),
         XmlElement("redefine", typeof(XmlSchemaRedefine))]
        public XmlSchemaObjectCollection Includes {
            get { return includes; } 
        }
 
        ///  
        /// 
        ///    [To be supplied.] 
        /// 
        [XmlElement("annotation", typeof(XmlSchemaAnnotation)),
         XmlElement("attribute", typeof(XmlSchemaAttribute)),
         XmlElement("attributeGroup", typeof(XmlSchemaAttributeGroup)), 
         XmlElement("complexType", typeof(XmlSchemaComplexType)),
         XmlElement("simpleType", typeof(XmlSchemaSimpleType)), 
         XmlElement("element", typeof(XmlSchemaElement)), 
         XmlElement("group", typeof(XmlSchemaGroup)),
         XmlElement("notation", typeof(XmlSchemaNotation))] 
        public XmlSchemaObjectCollection Items {
            get { return items; }
        }
 
        // Compiled info
        ///  
        ///  
        ///    [To be supplied.]
        ///  
        [XmlIgnore]
        public bool IsCompiled {
            get {
                return isCompiled || isCompiledBySet ; 
            }
        } 
 
        [XmlIgnore]
        internal bool IsCompiledBySet { 
            get { return isCompiledBySet; }
            set { isCompiledBySet = value; }
        }
 
        [XmlIgnore]
        internal bool IsPreprocessed { 
            get { return isPreprocessed; } 
            set { isPreprocessed = value; }
        } 

        [XmlIgnore]
        internal bool IsRedefined {
            get { return isRedefined; } 
            set { isRedefined = value; }
        } 
 
        /// 
        ///  
        ///    [To be supplied.]
        /// 
        [XmlIgnore]
        public XmlSchemaObjectTable Attributes { 
            get {
                if (attributes == null) { 
                    attributes = new XmlSchemaObjectTable(); 
                }
                return attributes; 
            }
        }

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        [XmlIgnore]
        public XmlSchemaObjectTable AttributeGroups { 
            get {
                if (attributeGroups == null) {
                    attributeGroups = new XmlSchemaObjectTable();
                } 
                return attributeGroups;
            } 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        [XmlIgnore] 
        public XmlSchemaObjectTable SchemaTypes {
            get { 
                if (types == null) { 
                    types = new XmlSchemaObjectTable();
                } 
                return types;
            }
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        [XmlIgnore] 
        public XmlSchemaObjectTable Elements {
            get {
                if (elements == null) {
                    elements = new XmlSchemaObjectTable(); 
                }
                return elements; 
            } 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        [XmlAttribute("id", DataType="ID")]
        public string Id { 
            get { return id; } 
            set { id = value; }
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        [XmlAnyAttribute] 
        public XmlAttribute[] UnhandledAttributes { 
            get { return moreAttributes; }
            set { moreAttributes = value; } 
        }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        [XmlIgnore] 
        public XmlSchemaObjectTable Groups {
            get { return groups; } 
        }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        [XmlIgnore] 
        public XmlSchemaObjectTable Notations {
            get { return notations; } 
        }

        [XmlIgnore]
        internal XmlSchemaObjectTable IdentityConstraints { 
            get { return identityConstraints; }
        } 
 
        [XmlIgnore]
        internal Uri BaseUri { 
            get { return baseUri; }
            set {
                baseUri = value;
            } 
        }
 
        [XmlIgnore] 
        internal int SchemaId {
            get { 
                if (schemaId == -1) {
                    schemaId = Interlocked.Increment(ref globalIdCounter);
                }
                return schemaId; 
            }
        } 
 
        [XmlIgnore]
        internal bool IsChameleon { 
            get { return isChameleon; }
            set { isChameleon = value; }
        }
 
        [XmlIgnore]
        internal Hashtable Ids { 
            get { return ids; } 
        }
 
        [XmlIgnore]
        internal XmlDocument Document {
            get { if (document == null) document = new XmlDocument(); return document; }
        } 

        [XmlIgnore] 
        internal int ErrorCount { 
            get { return errorCount; }
            set { errorCount = value; } 
        }

        internal new XmlSchema Clone() {
            XmlSchema that = new XmlSchema(); 
            that.attributeFormDefault   = this.attributeFormDefault;
            that.elementFormDefault     = this.elementFormDefault; 
            that.blockDefault           = this.blockDefault; 
            that.finalDefault           = this.finalDefault;
            that.targetNs               = this.targetNs; 
            that.version                = this.version;
            that.includes               = this.includes;

            that.Namespaces             = this.Namespaces; 
            that.items                  = this.items;
            that.BaseUri                = this.BaseUri; 
 
            SchemaCollectionCompiler.Cleanup(that);
            return that; 
        }

        internal XmlSchema DeepClone() {
            XmlSchema that = new XmlSchema(); 
            that.attributeFormDefault   = this.attributeFormDefault;
            that.elementFormDefault     = this.elementFormDefault; 
            that.blockDefault           = this.blockDefault; 
            that.finalDefault           = this.finalDefault;
            that.targetNs               = this.targetNs; 
            that.version                = this.version;
            that.isPreprocessed         = this.isPreprocessed;
            //that.IsProcessing           = this.IsProcessing; //Not sure if this is needed
 
            //Clone its Items
            foreach (XmlSchemaObject item in this.items) { 
                XmlSchemaObject newItem = item.Clone(); 
                that.Items.Add(newItem);
            } 

            //Clone Includes
            foreach (XmlSchemaExternal include in this.includes) {
                XmlSchemaExternal newInclude = (XmlSchemaExternal)include.Clone(); 
                that.Includes.Add(newInclude);
            } 
            that.Namespaces             = this.Namespaces; 
            //that.includes               = this.includes; //Need to verify this is OK for redefines
            that.BaseUri                = this.BaseUri; 
            return that;
        }

        [XmlIgnore] 
        internal override string IdAttribute {
            get { return Id; } 
            set { Id = value; } 
        }
 
        internal void SetIsCompiled(bool isCompiled) {
            this.isCompiled = isCompiled;
        }
 
        internal override void SetUnhandledAttributes(XmlAttribute[] moreAttributes) {
            this.moreAttributes = moreAttributes; 
        } 
        internal override void AddAnnotation(XmlSchemaAnnotation annotation) {
            items.Add(annotation); 
        }

        internal XmlNameTable NameTable {
            get { if (nameTable == null) nameTable = new System.Xml.NameTable(); return nameTable; } 
        }
 
        internal ArrayList ImportedSchemas { 
            get {
                if (importedSchemas == null) { 
                    importedSchemas = new ArrayList();
                }
                return importedSchemas;
            } 
        }
 
        internal ArrayList ImportedNamespaces { 
            get {
                if (importedNamespaces == null) { 
                    importedNamespaces = new ArrayList();
                }
                return importedNamespaces;
            } 
        }
 
        internal void GetExternalSchemasList(IList extList, XmlSchema schema) { 
            Debug.Assert(extList != null && schema != null);
            if (extList.Contains(schema)) { 
                return;
            }
            extList.Add(schema);
            foreach (XmlSchemaExternal ext in schema.Includes) { 
                if (ext.Schema != null) {
                    GetExternalSchemasList(extList, ext.Schema); 
                } 
            }
        } 

        internal void AddCompiledInfo(SchemaInfo schemaInfo) {
            XmlQualifiedName itemName;
            foreach (XmlSchemaElement element in elements.Values) { 
                itemName = element.QualifiedName;
                schemaInfo.TargetNamespaces[itemName.Namespace] = true; 
                if (schemaInfo.ElementDecls[itemName] == null) { 
                    schemaInfo.ElementDecls.Add(itemName, element.ElementDecl);
                } 
            }
            foreach (XmlSchemaAttribute attribute in attributes.Values) {
                itemName = attribute.QualifiedName;
                schemaInfo.TargetNamespaces[itemName.Namespace] = true; 
                if (schemaInfo.ElementDecls[itemName] == null) {
                    schemaInfo.AttributeDecls.Add(itemName, attribute.AttDef); 
                } 
            }
            foreach (XmlSchemaType type in types.Values) { 
                itemName = type.QualifiedName;
                schemaInfo.TargetNamespaces[itemName.Namespace] = true;
                XmlSchemaComplexType complexType = type as XmlSchemaComplexType;
                if ((complexType == null || type != XmlSchemaComplexType.AnyType) && schemaInfo.ElementDeclsByType[itemName] == null) { 
                    schemaInfo.ElementDeclsByType.Add(itemName, type.ElementDecl);
                } 
            } 
            foreach (XmlSchemaNotation notation in notations.Values) {
                itemName = notation.QualifiedName; 
                schemaInfo.TargetNamespaces[itemName.Namespace] = true;
                SchemaNotation no = new SchemaNotation(itemName);
                no.SystemLiteral = notation.System;
                no.Pubid = notation.Public; 
                if (schemaInfo.Notations[itemName.Name] == null) {
                    schemaInfo.Notations.Add(itemName.Name, no); 
                } 
            }
        } 
    }
}

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

                        

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