SchemaImporterExtension.cs source code in C# .NET

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

    using System.Xml.Schema; 
    using System.Xml;
    using System.Collections;
    using System.Collections.Specialized;
    using System.CodeDom; 
    using System.CodeDom.Compiler;
    using System.Xml.Serialization; 
 
    /// 
    /// 
    /// 
    ///    [To be supplied.]
    /// 
    public abstract class SchemaImporterExtension { 
        /// 
        public virtual string ImportSchemaType(string name, string ns, XmlSchemaObject context, XmlSchemas schemas, XmlSchemaImporter importer, 
            CodeCompileUnit compileUnit, CodeNamespace mainNamespace, CodeGenerationOptions options, CodeDomProvider codeProvider) { 
            return null;
        } 

        /// 
        public virtual string ImportSchemaType(XmlSchemaType type, XmlSchemaObject context, XmlSchemas schemas, XmlSchemaImporter importer,
            CodeCompileUnit compileUnit, CodeNamespace mainNamespace, CodeGenerationOptions options, CodeDomProvider codeProvider) { 
            return null;
        } 
 
        /// 
        public virtual string ImportAnyElement(XmlSchemaAny any, bool mixed, XmlSchemas schemas, XmlSchemaImporter importer, 
            CodeCompileUnit compileUnit, CodeNamespace mainNamespace, CodeGenerationOptions options, CodeDomProvider codeProvider) {
            return null;
        }
 
        /// 
        public virtual CodeExpression ImportDefaultValue(string value, string type) { 
            return null; 
        }
    } 

    public class SchemaImporterExtensionCollection : CollectionBase {
        Hashtable exNames;
 
        internal Hashtable Names {
            get { 
                if (exNames == null) 
                    exNames = new Hashtable();
                return exNames; 
            }
        }

        public int Add(SchemaImporterExtension extension) { 
            return Add(extension.GetType().FullName, extension);
        } 
 
        public int Add(string name, Type type) {
            if (type.IsSubclassOf(typeof(SchemaImporterExtension))) { 
                return Add(name, (SchemaImporterExtension)Activator.CreateInstance(type));
            }
            else {
                throw new ArgumentException(Res.GetString(Res.XmlInvalidSchemaExtension, type)); 
            }
        } 
 
        public void Remove(string name) {
            if (Names[name] != null) { 
                List.Remove(Names[name]);
                Names[name] = null;
            }
        } 

        public new void Clear() { 
            Names.Clear(); 
            List.Clear();
        } 

        internal SchemaImporterExtensionCollection Clone() {
            SchemaImporterExtensionCollection clone = new SchemaImporterExtensionCollection();
            clone.exNames = (Hashtable)this.Names.Clone(); 
            foreach (object o in this.List) {
                clone.List.Add(o); 
            } 
            return clone;
        } 

        public SchemaImporterExtension this[int index] {
            get { return (SchemaImporterExtension)List[index]; }
            set { List[index] = value; } 
        }
 
        internal int Add(string name, SchemaImporterExtension extension) { 
            if (Names[name] != null) {
                if (Names[name].GetType() != extension.GetType()) { 
                    throw new InvalidOperationException(Res.GetString(Res.XmlConfigurationDuplicateExtension, name));
                }
                return -1;
            } 
            Names[name] = extension;
            return List.Add(extension); 
        } 

        public void Insert(int index, SchemaImporterExtension extension) { 
            List.Insert(index, extension);
        }

        public int IndexOf(SchemaImporterExtension extension) { 
            return List.IndexOf(extension);
        } 
 
        public bool Contains(SchemaImporterExtension extension) {
            return List.Contains(extension); 
        }

        public void Remove(SchemaImporterExtension extension) {
            List.Remove(extension); 
        }
 
        public void CopyTo(SchemaImporterExtension[] array, int index) { 
            List.CopyTo(array, index);
        } 
    }

    internal class MappedTypeDesc {
        string name; 
        string ns;
        XmlSchemaType xsdType; 
        XmlSchemaObject context; 
        string clrType;
        SchemaImporterExtension extension; 
        CodeNamespace code;
        bool exported = false;
        StringCollection references;
 
        internal MappedTypeDesc(string clrType, string name, string ns, XmlSchemaType xsdType, XmlSchemaObject context, SchemaImporterExtension extension, CodeNamespace code, StringCollection references) {
            this.clrType = clrType.Replace('+', '.'); 
            this.name = name; 
            this.ns = ns;
            this.xsdType = xsdType; 
            this.context = context;
            this.code = code;
            this.references = references;
            this.extension = extension; 
        }
 
        internal SchemaImporterExtension Extension { get { return extension; } } 
        internal string Name { get { return clrType; } }
 
        internal StringCollection ReferencedAssemblies {
            get {
                if (references == null)
                    references = new StringCollection(); 
                return references;
            } 
        } 

        internal CodeTypeDeclaration ExportTypeDefinition(CodeNamespace codeNamespace, CodeCompileUnit codeCompileUnit) { 
            if (exported)
                return null;
            exported = true;
 
            foreach(CodeNamespaceImport import in code.Imports) {
                codeNamespace.Imports.Add(import); 
            } 
            CodeTypeDeclaration codeClass = null;
            string comment = Res.GetString(Res.XmlExtensionComment, extension.GetType().FullName); 
            foreach(CodeTypeDeclaration type in code.Types) {
                if (clrType == type.Name) {
                    if (codeClass != null)
                        throw new InvalidOperationException(Res.GetString(Res.XmlExtensionDuplicateDefinition, extension.GetType().FullName, clrType)); 
                    codeClass = type;
                } 
                type.Comments.Add(new CodeCommentStatement(comment, false)); 
                codeNamespace.Types.Add(type);
            } 
            if (codeCompileUnit != null) {
                foreach(string reference in ReferencedAssemblies) {
                    if (codeCompileUnit.ReferencedAssemblies.Contains(reference))
                        continue; 
                    codeCompileUnit.ReferencedAssemblies.Add(reference);
                } 
            } 
            return codeClass;
        } 
    }
}

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

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