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//------------------------------------------------------------------------------
// <copyright file="SchemaImporter.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
namespace System.Xml.Serialization {
using System;
using System.Xml.Schema;
using System.Collections;
using System.ComponentModel;
using System.Reflection;
using System.Configuration;
using System.Xml.Serialization.Configuration;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Security.Permissions;
using System.Xml.Serialization.Advanced;
#if DEBUG
using System.Diagnostics;
#endif
/// <include file='doc\SchemaImporter.uex' path='docs/doc[@for="SchemaImporter"]/*' />
///<internalonly/>
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
[PermissionSet(SecurityAction.InheritanceDemand, Name="FullTrust")]
public abstract class SchemaImporter {
XmlSchemas schemas;
StructMapping root;
CodeGenerationOptions options;
CodeDomProvider codeProvider;
TypeScope scope;
ImportContext context;
bool rootImported;
NameTable typesInUse;
NameTable groupsInUse;
SchemaImporterExtensionCollection extensions;
internal SchemaImporter(XmlSchemas schemas, CodeGenerationOptions options, CodeDomProvider codeProvider, ImportContext context) {
if (!schemas.Contains(XmlSchema.Namespace)) {
schemas.AddReference(XmlSchemas.XsdSchema);
schemas.SchemaSet.Add(XmlSchemas.XsdSchema);
}
if (!schemas.Contains(XmlReservedNs.NsXml)) {
schemas.AddReference(XmlSchemas.XmlSchema);
schemas.SchemaSet.Add(XmlSchemas.XmlSchema);
}
this.schemas = schemas;
this.options = options;
this.codeProvider = codeProvider;
this.context = context;
Schemas.SetCache(Context.Cache, Context.ShareTypes);
#if CONFIGURATION_DEP
SchemaImporterExtensionsSection section = PrivilegedConfigurationManager.GetSection(ConfigurationStrings.SchemaImporterExtensionsSectionPath) as SchemaImporterExtensionsSection;
if (section != null)
extensions = section.SchemaImporterExtensionsInternal;
else
#endif
extensions = new SchemaImporterExtensionCollection();
}
internal ImportContext Context {
get {
if (context == null)
context = new ImportContext();
return context;
}
}
internal CodeDomProvider CodeProvider {
get {
if (codeProvider == null)
codeProvider = new Microsoft.CSharp.CSharpCodeProvider();
return codeProvider;
}
}
public SchemaImporterExtensionCollection Extensions {
get {
if (extensions == null)
extensions = new SchemaImporterExtensionCollection();
return extensions;
}
}
internal Hashtable ImportedElements {
get { return Context.Elements; }
}
internal Hashtable ImportedMappings {
get { return Context.Mappings; }
}
internal CodeIdentifiers TypeIdentifiers {
get { return Context.TypeIdentifiers; }
}
internal XmlSchemas Schemas {
get {
if (schemas == null)
schemas = new XmlSchemas();
return schemas;
}
}
internal TypeScope Scope {
get {
if (scope == null)
scope = new TypeScope();
return scope;
}
}
internal NameTable GroupsInUse {
get {
if (groupsInUse == null)
groupsInUse = new NameTable();
return groupsInUse;
}
}
internal NameTable TypesInUse {
get {
if (typesInUse == null)
typesInUse = new NameTable();
return typesInUse;
}
}
internal CodeGenerationOptions Options {
get { return options; }
}
internal void MakeDerived(StructMapping structMapping, Type baseType, bool baseTypeCanBeIndirect) {
structMapping.ReferencedByTopLevelElement = true;
TypeDesc baseTypeDesc;
if (baseType != null) {
baseTypeDesc = Scope.GetTypeDesc(baseType);
if (baseTypeDesc != null) {
TypeDesc typeDescToChange = structMapping.TypeDesc;
if (baseTypeCanBeIndirect) {
// if baseTypeCanBeIndirect is true, we apply the supplied baseType to the top of the
// inheritance chain, not necessarily directly to the imported type.
while (typeDescToChange.BaseTypeDesc != null && typeDescToChange.BaseTypeDesc != baseTypeDesc)
typeDescToChange = typeDescToChange.BaseTypeDesc;
}
if (typeDescToChange.BaseTypeDesc != null && typeDescToChange.BaseTypeDesc != baseTypeDesc)
throw new InvalidOperationException(Res.GetString(Res.XmlInvalidBaseType, structMapping.TypeDesc.FullName, baseType.FullName, typeDescToChange.BaseTypeDesc.FullName));
typeDescToChange.BaseTypeDesc = baseTypeDesc;
}
}
}
internal string GenerateUniqueTypeName(string typeName) {
typeName = CodeIdentifier.MakeValid(typeName);
return TypeIdentifiers.AddUnique(typeName, typeName);
}
StructMapping CreateRootMapping() {
TypeDesc typeDesc = Scope.GetTypeDesc(typeof(object));
StructMapping mapping = new StructMapping();
mapping.TypeDesc = typeDesc;
mapping.Members = new MemberMapping[0];
mapping.IncludeInSchema = false;
mapping.TypeName = Soap.UrType;
mapping.Namespace = XmlSchema.Namespace;
return mapping;
}
internal StructMapping GetRootMapping() {
if (root == null)
root = CreateRootMapping();
return root;
}
internal StructMapping ImportRootMapping() {
if (!rootImported) {
rootImported = true;
ImportDerivedTypes(XmlQualifiedName.Empty);
}
return GetRootMapping();
}
internal abstract void ImportDerivedTypes(XmlQualifiedName baseName);
internal void AddReference(XmlQualifiedName name, NameTable references, string error) {
if (name.Namespace == XmlSchema.Namespace)
return;
if (references[name] != null) {
throw new InvalidOperationException(Res.GetString(error, name.Name, name.Namespace));
}
references[name] = name;
}
internal void RemoveReference(XmlQualifiedName name, NameTable references) {
references[name] = null;
}
internal void AddReservedIdentifiersForDataBinding(CodeIdentifiers scope)
{
if ((options & CodeGenerationOptions.EnableDataBinding) != 0)
{
scope.AddReserved(CodeExporter.PropertyChangedEvent.Name);
scope.AddReserved(CodeExporter.RaisePropertyChangedEventMethod.Name);
}
}
}
}
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