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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
namespace Microsoft.Xml.Schema
{
using System;
using Microsoft.Xml;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Diagnostics;
using System.Runtime.Versioning;
#pragma warning disable 618
internal sealed class SchemaCollectionPreprocessor : BaseProcessor
{
private enum Compositor
{
Root,
Include,
Import
};
private XmlSchema _schema;
private string _targetNamespace;
private bool _buildinIncluded = false;
private XmlSchemaForm _elementFormDefault;
private XmlSchemaForm _attributeFormDefault;
private XmlSchemaDerivationMethod _blockDefault;
private XmlSchemaDerivationMethod _finalDefault;
//Dictionary<Uri, Uri> schemaLocations;
private Hashtable _schemaLocations;
private Hashtable _referenceNamespaces;
private string _xmlns;
private const XmlSchemaDerivationMethod schemaBlockDefaultAllowed = XmlSchemaDerivationMethod.Restriction | XmlSchemaDerivationMethod.Extension | XmlSchemaDerivationMethod.Substitution;
private const XmlSchemaDerivationMethod schemaFinalDefaultAllowed = XmlSchemaDerivationMethod.Restriction | XmlSchemaDerivationMethod.Extension | XmlSchemaDerivationMethod.List | XmlSchemaDerivationMethod.Union;
private const XmlSchemaDerivationMethod elementBlockAllowed = XmlSchemaDerivationMethod.Restriction | XmlSchemaDerivationMethod.Extension | XmlSchemaDerivationMethod.Substitution;
private const XmlSchemaDerivationMethod elementFinalAllowed = XmlSchemaDerivationMethod.Restriction | XmlSchemaDerivationMethod.Extension;
private const XmlSchemaDerivationMethod simpleTypeFinalAllowed = XmlSchemaDerivationMethod.Restriction | XmlSchemaDerivationMethod.List | XmlSchemaDerivationMethod.Union;
private const XmlSchemaDerivationMethod complexTypeBlockAllowed = XmlSchemaDerivationMethod.Restriction | XmlSchemaDerivationMethod.Extension;
private const XmlSchemaDerivationMethod complexTypeFinalAllowed = XmlSchemaDerivationMethod.Restriction | XmlSchemaDerivationMethod.Extension;
private XmlResolver _xmlResolver = null;
public SchemaCollectionPreprocessor(XmlNameTable nameTable, SchemaNames schemaNames, ValidationEventHandler eventHandler)
: base(nameTable, schemaNames, eventHandler)
{
}
public bool Execute(XmlSchema schema, string targetNamespace, bool loadExternals, XmlSchemaCollection xsc)
{
_schema = schema;
_xmlns = NameTable.Add("xmlns");
Cleanup(schema);
if (loadExternals && _xmlResolver != null)
{
_schemaLocations = new Hashtable(); //new Dictionary<Uri, Uri>();
if (schema.BaseUri != null)
{
_schemaLocations.Add(schema.BaseUri, schema.BaseUri);
}
LoadExternals(schema, xsc);
}
ValidateIdAttribute(schema);
Preprocess(schema, targetNamespace, Compositor.Root);
if (!HasErrors)
{
schema.IsPreprocessed = true;
for (int i = 0; i < schema.Includes.Count; ++i)
{
XmlSchemaExternal include = (XmlSchemaExternal)schema.Includes[i];
if (include.Schema != null)
{
include.Schema.IsPreprocessed = true;
}
}
}
return !HasErrors;
}
private void Cleanup(XmlSchema schema)
{
if (schema.IsProcessing)
{
return;
}
schema.IsProcessing = true;
for (int i = 0; i < schema.Includes.Count; ++i)
{
XmlSchemaExternal include = (XmlSchemaExternal)schema.Includes[i];
if (include.Schema != null)
{
Cleanup(include.Schema);
}
if (include is XmlSchemaRedefine)
{
XmlSchemaRedefine rdef = include as XmlSchemaRedefine;
rdef.AttributeGroups.Clear();
rdef.Groups.Clear();
rdef.SchemaTypes.Clear();
}
}
schema.Attributes.Clear();
schema.AttributeGroups.Clear();
schema.SchemaTypes.Clear();
schema.Elements.Clear();
schema.Groups.Clear();
schema.Notations.Clear();
schema.Ids.Clear();
schema.IdentityConstraints.Clear();
schema.IsProcessing = false;
}
internal XmlResolver XmlResolver
{
set
{
_xmlResolver = value;
}
}
// SxS: This method reads resource names from the source documents and does not return any resources to the caller
// It's fine to disable the SxS warning
private void LoadExternals(XmlSchema schema, XmlSchemaCollection xsc)
{
if (schema.IsProcessing)
{
return;
}
schema.IsProcessing = true;
for (int i = 0; i < schema.Includes.Count; ++i)
{
XmlSchemaExternal include = (XmlSchemaExternal)schema.Includes[i];
Uri includeLocation = null;
//CASE 1: If the Schema object of the include has been set
if (include.Schema != null)
{
// already loaded
if (include is XmlSchemaImport && ((XmlSchemaImport)include).Namespace == XmlReservedNs.NsXml)
{
_buildinIncluded = true;
}
else
{
includeLocation = include.BaseUri;
if (includeLocation != null && _schemaLocations[includeLocation] == null)
{
_schemaLocations.Add(includeLocation, includeLocation);
}
LoadExternals(include.Schema, xsc);
}
continue;
}
//CASE 2: If the include has been already added to the schema collection directly
if (xsc != null && include is XmlSchemaImport)
{ //Added for SchemaCollection compatibility
XmlSchemaImport import = (XmlSchemaImport)include;
string importNS = import.Namespace != null ? import.Namespace : string.Empty;
include.Schema = xsc[importNS]; //Fetch it from the collection
if (include.Schema != null)
{
include.Schema = include.Schema.Clone();
if (include.Schema.BaseUri != null && _schemaLocations[include.Schema.BaseUri] == null)
{
_schemaLocations.Add(include.Schema.BaseUri, include.Schema.BaseUri);
}
//To avoid re-including components that were already included through a different path
Uri subUri = null;
for (int j = 0; j < include.Schema.Includes.Count; ++j)
{
XmlSchemaExternal subInc = (XmlSchemaExternal)include.Schema.Includes[j];
if (subInc is XmlSchemaImport)
{
XmlSchemaImport subImp = (XmlSchemaImport)subInc;
subUri = subImp.BaseUri != null ? subImp.BaseUri : (subImp.Schema != null && subImp.Schema.BaseUri != null ? subImp.Schema.BaseUri : null);
if (subUri != null)
{
if (_schemaLocations[subUri] != null)
{
subImp.Schema = null; //So that the components are not included again
}
else
{ //if its not there already, add it
_schemaLocations.Add(subUri, subUri); //The schema for that location is available
}
}
}
}
continue;
}
}
//CASE 3: If the imported namespace is the XML namespace, load built-in schema
if (include is XmlSchemaImport && ((XmlSchemaImport)include).Namespace == XmlReservedNs.NsXml)
{
if (!_buildinIncluded)
{
_buildinIncluded = true;
include.Schema = Preprocessor.GetBuildInSchema();
}
continue;
}
//CASE4: Parse schema from the provided location
string schemaLocation = include.SchemaLocation;
if (schemaLocation == null)
{
continue;
}
Uri ruri = ResolveSchemaLocationUri(schema, schemaLocation);
if (ruri != null && _schemaLocations[ruri] == null)
{
Stream stream = GetSchemaEntity(ruri);
if (stream != null)
{
include.BaseUri = ruri;
_schemaLocations.Add(ruri, ruri);
XmlTextReader reader = new XmlTextReader(ruri.ToString(), stream, NameTable);
reader.XmlResolver = _xmlResolver;
try
{
Parser parser = new Parser(SchemaType.XSD, NameTable, SchemaNames, EventHandler);
parser.Parse(reader, null);
while (reader.Read()) ;// wellformness check
include.Schema = parser.XmlSchema;
LoadExternals(include.Schema, xsc);
}
catch (XmlSchemaException e)
{
SendValidationEventNoThrow(new XmlSchemaException(ResXml.Sch_CannotLoadSchema, new string[] { schemaLocation, e.Message }, e.SourceUri, e.LineNumber, e.LinePosition), XmlSeverityType.Error);
}
catch (Exception)
{
SendValidationEvent(ResXml.Sch_InvalidIncludeLocation, include, XmlSeverityType.Warning);
}
finally
{
reader.Close();
}
}
else
{
SendValidationEvent(ResXml.Sch_InvalidIncludeLocation, include, XmlSeverityType.Warning);
}
}
}
schema.IsProcessing = false;
}
private void BuildRefNamespaces(XmlSchema schema)
{
_referenceNamespaces = new Hashtable();
XmlSchemaImport import;
string ns;
//Add XSD namespace
_referenceNamespaces.Add(XmlReservedNs.NsXs, XmlReservedNs.NsXs);
_referenceNamespaces.Add(string.Empty, string.Empty);
for (int i = 0; i < schema.Includes.Count; ++i)
{
import = schema.Includes[i] as XmlSchemaImport;
if (import != null)
{
ns = import.Namespace;
if (ns != null && _referenceNamespaces[ns] == null)
_referenceNamespaces.Add(ns, ns);
}
}
//Add the schema's targetnamespace
if (schema.TargetNamespace != null && _referenceNamespaces[schema.TargetNamespace] == null)
_referenceNamespaces.Add(schema.TargetNamespace, schema.TargetNamespace);
}
private void Preprocess(XmlSchema schema, string targetNamespace, Compositor compositor)
{
if (schema.IsProcessing)
{
return;
}
schema.IsProcessing = true;
string tns = schema.TargetNamespace;
if (tns != null)
{
schema.TargetNamespace = tns = NameTable.Add(tns);
if (tns.Length == 0)
{
SendValidationEvent(ResXml.Sch_InvalidTargetNamespaceAttribute, schema);
}
else
{
try
{
XmlConvert.ToUri(tns); // can throw
}
catch
{
SendValidationEvent(ResXml.Sch_InvalidNamespace, schema.TargetNamespace, schema);
}
}
}
if (schema.Version != null)
{
try
{
XmlConvert.VerifyTOKEN(schema.Version); // can throw
}
catch (Exception)
{
SendValidationEvent(ResXml.Sch_AttributeValueDataType, "version", schema);
}
}
switch (compositor)
{
case Compositor.Root:
if (targetNamespace == null && schema.TargetNamespace != null)
{ // not specified
targetNamespace = schema.TargetNamespace;
}
else if (schema.TargetNamespace == null && targetNamespace != null && targetNamespace.Length == 0)
{ // no namespace schema
targetNamespace = null;
}
if (targetNamespace != schema.TargetNamespace)
{
SendValidationEvent(ResXml.Sch_MismatchTargetNamespaceEx, targetNamespace, schema.TargetNamespace, schema);
}
break;
case Compositor.Import:
if (targetNamespace != schema.TargetNamespace)
{
SendValidationEvent(ResXml.Sch_MismatchTargetNamespaceImport, targetNamespace, schema.TargetNamespace, schema);
}
break;
case Compositor.Include:
if (schema.TargetNamespace != null)
{
if (targetNamespace != schema.TargetNamespace)
{
SendValidationEvent(ResXml.Sch_MismatchTargetNamespaceInclude, targetNamespace, schema.TargetNamespace, schema);
}
}
break;
}
for (int i = 0; i < schema.Includes.Count; ++i)
{
XmlSchemaExternal include = (XmlSchemaExternal)schema.Includes[i];
SetParent(include, schema);
PreprocessAnnotation(include);
string loc = include.SchemaLocation;
if (loc != null)
{
try
{
XmlConvert.ToUri(loc); // can throw
}
catch
{
SendValidationEvent(ResXml.Sch_InvalidSchemaLocation, loc, include);
}
}
else if ((include is XmlSchemaRedefine || include is XmlSchemaInclude) && include.Schema == null)
{
SendValidationEvent(ResXml.Sch_MissRequiredAttribute, "schemaLocation", include);
}
if (include.Schema != null)
{
if (include is XmlSchemaRedefine)
{
Preprocess(include.Schema, schema.TargetNamespace, Compositor.Include);
}
else if (include is XmlSchemaImport)
{
if (((XmlSchemaImport)include).Namespace == null && schema.TargetNamespace == null)
{
SendValidationEvent(ResXml.Sch_ImportTargetNamespaceNull, include);
}
else if (((XmlSchemaImport)include).Namespace == schema.TargetNamespace)
{
SendValidationEvent(ResXml.Sch_ImportTargetNamespace, include);
}
Preprocess(include.Schema, ((XmlSchemaImport)include).Namespace, Compositor.Import);
}
else
{
Preprocess(include.Schema, schema.TargetNamespace, Compositor.Include);
}
}
else if (include is XmlSchemaImport)
{
string ns = ((XmlSchemaImport)include).Namespace;
if (ns != null)
{
if (ns.Length == 0)
{
SendValidationEvent(ResXml.Sch_InvalidNamespaceAttribute, ns, include);
}
else
{
try
{
XmlConvert.ToUri(ns); //can throw
}
catch (FormatException)
{
SendValidationEvent(ResXml.Sch_InvalidNamespace, ns, include);
}
}
}
}
}
//Begin processing the current schema passed to preprocess
//Build the namespaces that can be referenced in the current schema
BuildRefNamespaces(schema);
_targetNamespace = targetNamespace == null ? string.Empty : targetNamespace;
if (schema.BlockDefault == XmlSchemaDerivationMethod.All)
{
_blockDefault = XmlSchemaDerivationMethod.All;
}
else if (schema.BlockDefault == XmlSchemaDerivationMethod.None)
{
_blockDefault = XmlSchemaDerivationMethod.Empty;
}
else
{
if ((schema.BlockDefault & ~schemaBlockDefaultAllowed) != 0)
{
SendValidationEvent(ResXml.Sch_InvalidBlockDefaultValue, schema);
}
_blockDefault = schema.BlockDefault & schemaBlockDefaultAllowed;
}
if (schema.FinalDefault == XmlSchemaDerivationMethod.All)
{
_finalDefault = XmlSchemaDerivationMethod.All;
}
else if (schema.FinalDefault == XmlSchemaDerivationMethod.None)
{
_finalDefault = XmlSchemaDerivationMethod.Empty;
}
else
{
if ((schema.FinalDefault & ~schemaFinalDefaultAllowed) != 0)
{
SendValidationEvent(ResXml.Sch_InvalidFinalDefaultValue, schema);
}
_finalDefault = schema.FinalDefault & schemaFinalDefaultAllowed;
}
_elementFormDefault = schema.ElementFormDefault;
if (_elementFormDefault == XmlSchemaForm.None)
{
_elementFormDefault = XmlSchemaForm.Unqualified;
}
_attributeFormDefault = schema.AttributeFormDefault;
if (_attributeFormDefault == XmlSchemaForm.None)
{
_attributeFormDefault = XmlSchemaForm.Unqualified;
}
for (int i = 0; i < schema.Includes.Count; ++i)
{
XmlSchemaExternal include = (XmlSchemaExternal)schema.Includes[i];
if (include is XmlSchemaRedefine)
{
XmlSchemaRedefine redefine = (XmlSchemaRedefine)include;
if (include.Schema != null)
{
PreprocessRedefine(redefine);
}
else
{
for (int j = 0; j < redefine.Items.Count; ++j)
{
if (!(redefine.Items[j] is XmlSchemaAnnotation))
{
SendValidationEvent(ResXml.Sch_RedefineNoSchema, redefine);
break;
}
}
}
}
XmlSchema includedSchema = include.Schema;
if (includedSchema != null)
{
foreach (XmlSchemaElement element in includedSchema.Elements.Values)
{
AddToTable(schema.Elements, element.QualifiedName, element);
}
foreach (XmlSchemaAttribute attribute in includedSchema.Attributes.Values)
{
AddToTable(schema.Attributes, attribute.QualifiedName, attribute);
}
foreach (XmlSchemaGroup group in includedSchema.Groups.Values)
{
AddToTable(schema.Groups, group.QualifiedName, group);
}
foreach (XmlSchemaAttributeGroup attributeGroup in includedSchema.AttributeGroups.Values)
{
AddToTable(schema.AttributeGroups, attributeGroup.QualifiedName, attributeGroup);
}
foreach (XmlSchemaType type in includedSchema.SchemaTypes.Values)
{
AddToTable(schema.SchemaTypes, type.QualifiedName, type);
}
foreach (XmlSchemaNotation notation in includedSchema.Notations.Values)
{
AddToTable(schema.Notations, notation.QualifiedName, notation);
}
}
ValidateIdAttribute(include);
}
List<XmlSchemaObject> removeItemsList = new List<XmlSchemaObject>();
for (int i = 0; i < schema.Items.Count; ++i)
{
SetParent(schema.Items[i], schema);
XmlSchemaAttribute attribute = schema.Items[i] as XmlSchemaAttribute;
if (attribute != null)
{
PreprocessAttribute(attribute);
AddToTable(schema.Attributes, attribute.QualifiedName, attribute);
}
else if (schema.Items[i] is XmlSchemaAttributeGroup)
{
XmlSchemaAttributeGroup attributeGroup = (XmlSchemaAttributeGroup)schema.Items[i];
PreprocessAttributeGroup(attributeGroup);
AddToTable(schema.AttributeGroups, attributeGroup.QualifiedName, attributeGroup);
}
else if (schema.Items[i] is XmlSchemaComplexType)
{
XmlSchemaComplexType complexType = (XmlSchemaComplexType)schema.Items[i];
PreprocessComplexType(complexType, false);
AddToTable(schema.SchemaTypes, complexType.QualifiedName, complexType);
}
else if (schema.Items[i] is XmlSchemaSimpleType)
{
XmlSchemaSimpleType simpleType = (XmlSchemaSimpleType)schema.Items[i];
PreprocessSimpleType(simpleType, false);
AddToTable(schema.SchemaTypes, simpleType.QualifiedName, simpleType);
}
else if (schema.Items[i] is XmlSchemaElement)
{
XmlSchemaElement element = (XmlSchemaElement)schema.Items[i];
PreprocessElement(element);
AddToTable(schema.Elements, element.QualifiedName, element);
}
else if (schema.Items[i] is XmlSchemaGroup)
{
XmlSchemaGroup group = (XmlSchemaGroup)schema.Items[i];
PreprocessGroup(group);
AddToTable(schema.Groups, group.QualifiedName, group);
}
else if (schema.Items[i] is XmlSchemaNotation)
{
XmlSchemaNotation notation = (XmlSchemaNotation)schema.Items[i];
PreprocessNotation(notation);
AddToTable(schema.Notations, notation.QualifiedName, notation);
}
else if (!(schema.Items[i] is XmlSchemaAnnotation))
{
SendValidationEvent(ResXml.Sch_InvalidCollection, schema.Items[i]);
removeItemsList.Add(schema.Items[i]);
}
}
for (int i = 0; i < removeItemsList.Count; ++i)
{
schema.Items.Remove(removeItemsList[i]);
}
schema.IsProcessing = false;
}
private void PreprocessRedefine(XmlSchemaRedefine redefine)
{
for (int i = 0; i < redefine.Items.Count; ++i)
{
SetParent(redefine.Items[i], redefine);
XmlSchemaGroup group = redefine.Items[i] as XmlSchemaGroup;
if (group != null)
{
PreprocessGroup(group);
if (redefine.Groups[group.QualifiedName] != null)
{
SendValidationEvent(ResXml.Sch_GroupDoubleRedefine, group);
}
else
{
AddToTable(redefine.Groups, group.QualifiedName, group);
group.Redefined = (XmlSchemaGroup)redefine.Schema.Groups[group.QualifiedName];
if (group.Redefined != null)
{
CheckRefinedGroup(group);
}
else
{
SendValidationEvent(ResXml.Sch_GroupRedefineNotFound, group);
}
}
}
else if (redefine.Items[i] is XmlSchemaAttributeGroup)
{
XmlSchemaAttributeGroup attributeGroup = (XmlSchemaAttributeGroup)redefine.Items[i];
PreprocessAttributeGroup(attributeGroup);
if (redefine.AttributeGroups[attributeGroup.QualifiedName] != null)
{
SendValidationEvent(ResXml.Sch_AttrGroupDoubleRedefine, attributeGroup);
}
else
{
AddToTable(redefine.AttributeGroups, attributeGroup.QualifiedName, attributeGroup);
attributeGroup.Redefined = (XmlSchemaAttributeGroup)redefine.Schema.AttributeGroups[attributeGroup.QualifiedName];
if (attributeGroup.Redefined != null)
{
CheckRefinedAttributeGroup(attributeGroup);
}
else
{
SendValidationEvent(ResXml.Sch_AttrGroupRedefineNotFound, attributeGroup);
}
}
}
else if (redefine.Items[i] is XmlSchemaComplexType)
{
XmlSchemaComplexType complexType = (XmlSchemaComplexType)redefine.Items[i];
PreprocessComplexType(complexType, false);
if (redefine.SchemaTypes[complexType.QualifiedName] != null)
{
SendValidationEvent(ResXml.Sch_ComplexTypeDoubleRedefine, complexType);
}
else
{
AddToTable(redefine.SchemaTypes, complexType.QualifiedName, complexType);
XmlSchemaType type = (XmlSchemaType)redefine.Schema.SchemaTypes[complexType.QualifiedName];
if (type != null)
{
if (type is XmlSchemaComplexType)
{
complexType.Redefined = type;
CheckRefinedComplexType(complexType);
}
else
{
SendValidationEvent(ResXml.Sch_SimpleToComplexTypeRedefine, complexType);
}
}
else
{
SendValidationEvent(ResXml.Sch_ComplexTypeRedefineNotFound, complexType);
}
}
}
else if (redefine.Items[i] is XmlSchemaSimpleType)
{
XmlSchemaSimpleType simpleType = (XmlSchemaSimpleType)redefine.Items[i];
PreprocessSimpleType(simpleType, false);
if (redefine.SchemaTypes[simpleType.QualifiedName] != null)
{
SendValidationEvent(ResXml.Sch_SimpleTypeDoubleRedefine, simpleType);
}
else
{
AddToTable(redefine.SchemaTypes, simpleType.QualifiedName, simpleType);
XmlSchemaType type = (XmlSchemaType)redefine.Schema.SchemaTypes[simpleType.QualifiedName];
if (type != null)
{
if (type is XmlSchemaSimpleType)
{
simpleType.Redefined = type;
CheckRefinedSimpleType(simpleType);
}
else
{
SendValidationEvent(ResXml.Sch_ComplexToSimpleTypeRedefine, simpleType);
}
}
else
{
SendValidationEvent(ResXml.Sch_SimpleTypeRedefineNotFound, simpleType);
}
}
}
}
foreach (DictionaryEntry entry in redefine.Groups)
{
redefine.Schema.Groups.Insert((XmlQualifiedName)entry.Key, (XmlSchemaObject)entry.Value);
}
foreach (DictionaryEntry entry in redefine.AttributeGroups)
{
redefine.Schema.AttributeGroups.Insert((XmlQualifiedName)entry.Key, (XmlSchemaObject)entry.Value);
}
foreach (DictionaryEntry entry in redefine.SchemaTypes)
{
redefine.Schema.SchemaTypes.Insert((XmlQualifiedName)entry.Key, (XmlSchemaObject)entry.Value);
}
}
private int CountGroupSelfReference(XmlSchemaObjectCollection items, XmlQualifiedName name)
{
int count = 0;
for (int i = 0; i < items.Count; ++i)
{
XmlSchemaGroupRef groupRef = items[i] as XmlSchemaGroupRef;
if (groupRef != null)
{
if (groupRef.RefName == name)
{
if (groupRef.MinOccurs != decimal.One || groupRef.MaxOccurs != decimal.One)
{
SendValidationEvent(ResXml.Sch_MinMaxGroupRedefine, groupRef);
}
count++;
}
}
else if (items[i] is XmlSchemaGroupBase)
{
count += CountGroupSelfReference(((XmlSchemaGroupBase)items[i]).Items, name);
}
if (count > 1)
{
break;
}
}
return count;
}
private void CheckRefinedGroup(XmlSchemaGroup group)
{
int count = 0;
if (group.Particle != null)
{
count = CountGroupSelfReference(group.Particle.Items, group.QualifiedName);
}
if (count > 1)
{
SendValidationEvent(ResXml.Sch_MultipleGroupSelfRef, group);
}
}
private void CheckRefinedAttributeGroup(XmlSchemaAttributeGroup attributeGroup)
{
int count = 0;
for (int i = 0; i < attributeGroup.Attributes.Count; ++i)
{
XmlSchemaAttributeGroupRef groupRef = attributeGroup.Attributes[i] as XmlSchemaAttributeGroupRef;
if (groupRef != null && groupRef.RefName == attributeGroup.QualifiedName)
{
count++;
}
}
if (count > 1)
{
SendValidationEvent(ResXml.Sch_MultipleAttrGroupSelfRef, attributeGroup);
}
}
private void CheckRefinedSimpleType(XmlSchemaSimpleType stype)
{
if (stype.Content != null && stype.Content is XmlSchemaSimpleTypeRestriction)
{
XmlSchemaSimpleTypeRestriction restriction = (XmlSchemaSimpleTypeRestriction)stype.Content;
if (restriction.BaseTypeName == stype.QualifiedName)
{
return;
}
}
SendValidationEvent(ResXml.Sch_InvalidTypeRedefine, stype);
}
private void CheckRefinedComplexType(XmlSchemaComplexType ctype)
{
if (ctype.ContentModel != null)
{
XmlQualifiedName baseName;
if (ctype.ContentModel is XmlSchemaComplexContent)
{
XmlSchemaComplexContent content = (XmlSchemaComplexContent)ctype.ContentModel;
if (content.Content is XmlSchemaComplexContentRestriction)
{
baseName = ((XmlSchemaComplexContentRestriction)content.Content).BaseTypeName;
}
else
{
baseName = ((XmlSchemaComplexContentExtension)content.Content).BaseTypeName;
}
}
else
{
XmlSchemaSimpleContent content = (XmlSchemaSimpleContent)ctype.ContentModel;
if (content.Content is XmlSchemaSimpleContentRestriction)
{
baseName = ((XmlSchemaSimpleContentRestriction)content.Content).BaseTypeName;
}
else
{
baseName = ((XmlSchemaSimpleContentExtension)content.Content).BaseTypeName;
}
}
if (baseName == ctype.QualifiedName)
{
return;
}
}
SendValidationEvent(ResXml.Sch_InvalidTypeRedefine, ctype);
}
private void PreprocessAttribute(XmlSchemaAttribute attribute)
{
if (attribute.Name != null)
{
ValidateNameAttribute(attribute);
attribute.SetQualifiedName(new XmlQualifiedName(attribute.Name, _targetNamespace));
}
else
{
SendValidationEvent(ResXml.Sch_MissRequiredAttribute, "name", attribute);
}
if (attribute.Use != XmlSchemaUse.None)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "use", attribute);
}
if (attribute.Form != XmlSchemaForm.None)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "form", attribute);
}
PreprocessAttributeContent(attribute);
ValidateIdAttribute(attribute);
}
private void PreprocessLocalAttribute(XmlSchemaAttribute attribute)
{
if (attribute.Name != null)
{ // name
ValidateNameAttribute(attribute);
PreprocessAttributeContent(attribute);
attribute.SetQualifiedName(new XmlQualifiedName(attribute.Name, (attribute.Form == XmlSchemaForm.Qualified || (attribute.Form == XmlSchemaForm.None && _attributeFormDefault == XmlSchemaForm.Qualified)) ? _targetNamespace : null));
}
else
{ // ref
PreprocessAnnotation(attribute); //set parent of annotation child of ref
if (attribute.RefName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_AttributeNameRef, "???", attribute);
}
else
{
ValidateQNameAttribute(attribute, "ref", attribute.RefName);
}
if (!attribute.SchemaTypeName.IsEmpty ||
attribute.SchemaType != null ||
attribute.Form != XmlSchemaForm.None /*||
attribute.DefaultValue != null ||
attribute.FixedValue != null*/
)
{
SendValidationEvent(ResXml.Sch_InvalidAttributeRef, attribute);
}
attribute.SetQualifiedName(attribute.RefName);
}
ValidateIdAttribute(attribute);
}
private void PreprocessAttributeContent(XmlSchemaAttribute attribute)
{
PreprocessAnnotation(attribute);
if (_schema.TargetNamespace == XmlReservedNs.NsXsi)
{
SendValidationEvent(ResXml.Sch_TargetNamespaceXsi, attribute);
}
if (!attribute.RefName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "ref", attribute);
}
if (attribute.DefaultValue != null && attribute.FixedValue != null)
{
SendValidationEvent(ResXml.Sch_DefaultFixedAttributes, attribute);
}
if (attribute.DefaultValue != null && attribute.Use != XmlSchemaUse.Optional && attribute.Use != XmlSchemaUse.None)
{
SendValidationEvent(ResXml.Sch_OptionalDefaultAttribute, attribute);
}
if (attribute.Name == _xmlns)
{
SendValidationEvent(ResXml.Sch_XmlNsAttribute, attribute);
}
if (attribute.SchemaType != null)
{
SetParent(attribute.SchemaType, attribute);
if (!attribute.SchemaTypeName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_TypeMutualExclusive, attribute);
}
PreprocessSimpleType(attribute.SchemaType, true);
}
if (!attribute.SchemaTypeName.IsEmpty)
{
ValidateQNameAttribute(attribute, "type", attribute.SchemaTypeName);
}
}
private void PreprocessAttributeGroup(XmlSchemaAttributeGroup attributeGroup)
{
if (attributeGroup.Name != null)
{
ValidateNameAttribute(attributeGroup);
attributeGroup.SetQualifiedName(new XmlQualifiedName(attributeGroup.Name, _targetNamespace));
}
else
{
SendValidationEvent(ResXml.Sch_MissRequiredAttribute, "name", attributeGroup);
}
PreprocessAttributes(attributeGroup.Attributes, attributeGroup.AnyAttribute, attributeGroup);
PreprocessAnnotation(attributeGroup);
ValidateIdAttribute(attributeGroup);
}
private void PreprocessElement(XmlSchemaElement element)
{
if (element.Name != null)
{
ValidateNameAttribute(element);
element.SetQualifiedName(new XmlQualifiedName(element.Name, _targetNamespace));
}
else
{
SendValidationEvent(ResXml.Sch_MissRequiredAttribute, "name", element);
}
PreprocessElementContent(element);
if (element.Final == XmlSchemaDerivationMethod.All)
{
element.SetFinalResolved(XmlSchemaDerivationMethod.All);
}
else if (element.Final == XmlSchemaDerivationMethod.None)
{
if (_finalDefault == XmlSchemaDerivationMethod.All)
{
element.SetFinalResolved(XmlSchemaDerivationMethod.All);
}
else
{
element.SetFinalResolved(_finalDefault & elementFinalAllowed);
}
}
else
{
if ((element.Final & ~elementFinalAllowed) != 0)
{
SendValidationEvent(ResXml.Sch_InvalidElementFinalValue, element);
}
element.SetFinalResolved(element.Final & elementFinalAllowed);
}
if (element.Form != XmlSchemaForm.None)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "form", element);
}
if (element.MinOccursString != null)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "minOccurs", element);
}
if (element.MaxOccursString != null)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "maxOccurs", element);
}
if (!element.SubstitutionGroup.IsEmpty)
{
ValidateQNameAttribute(element, "type", element.SubstitutionGroup);
}
ValidateIdAttribute(element);
}
private void PreprocessLocalElement(XmlSchemaElement element)
{
if (element.Name != null)
{ // name
ValidateNameAttribute(element);
PreprocessElementContent(element);
element.SetQualifiedName(new XmlQualifiedName(element.Name, (element.Form == XmlSchemaForm.Qualified || (element.Form == XmlSchemaForm.None && _elementFormDefault == XmlSchemaForm.Qualified)) ? _targetNamespace : null));
}
else
{ // ref
PreprocessAnnotation(element); //Check annotation child for ref and set parent
if (element.RefName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_ElementNameRef, element);
}
else
{
ValidateQNameAttribute(element, "ref", element.RefName);
}
if (!element.SchemaTypeName.IsEmpty ||
element.IsAbstract ||
element.Block != XmlSchemaDerivationMethod.None ||
element.SchemaType != null ||
element.HasConstraints ||
element.DefaultValue != null ||
element.Form != XmlSchemaForm.None ||
element.FixedValue != null ||
element.HasNillableAttribute)
{
SendValidationEvent(ResXml.Sch_InvalidElementRef, element);
}
if (element.DefaultValue != null && element.FixedValue != null)
{
SendValidationEvent(ResXml.Sch_DefaultFixedAttributes, element);
}
element.SetQualifiedName(element.RefName);
}
if (element.MinOccurs > element.MaxOccurs)
{
element.MinOccurs = decimal.Zero;
SendValidationEvent(ResXml.Sch_MinGtMax, element);
}
if (element.IsAbstract)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "abstract", element);
}
if (element.Final != XmlSchemaDerivationMethod.None)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "final", element);
}
if (!element.SubstitutionGroup.IsEmpty)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "substitutionGroup", element);
}
ValidateIdAttribute(element);
}
private void PreprocessElementContent(XmlSchemaElement element)
{
PreprocessAnnotation(element); //Set parent for Annotation child of element
if (!element.RefName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "ref", element);
}
if (element.Block == XmlSchemaDerivationMethod.All)
{
element.SetBlockResolved(XmlSchemaDerivationMethod.All);
}
else if (element.Block == XmlSchemaDerivationMethod.None)
{
if (_blockDefault == XmlSchemaDerivationMethod.All)
{
element.SetBlockResolved(XmlSchemaDerivationMethod.All);
}
else
{
element.SetBlockResolved(_blockDefault & elementBlockAllowed);
}
}
else
{
if ((element.Block & ~elementBlockAllowed) != 0)
{
SendValidationEvent(ResXml.Sch_InvalidElementBlockValue, element);
}
element.SetBlockResolved(element.Block & elementBlockAllowed);
}
if (element.SchemaType != null)
{
SetParent(element.SchemaType, element); //Set parent for simple / complex type child of element
if (!element.SchemaTypeName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_TypeMutualExclusive, element);
}
if (element.SchemaType is XmlSchemaComplexType)
{
PreprocessComplexType((XmlSchemaComplexType)element.SchemaType, true);
}
else
{
PreprocessSimpleType((XmlSchemaSimpleType)element.SchemaType, true);
}
}
if (!element.SchemaTypeName.IsEmpty)
{
ValidateQNameAttribute(element, "type", element.SchemaTypeName);
}
if (element.DefaultValue != null && element.FixedValue != null)
{
SendValidationEvent(ResXml.Sch_DefaultFixedAttributes, element);
}
for (int i = 0; i < element.Constraints.Count; ++i)
{
SetParent(element.Constraints[i], element);
PreprocessIdentityConstraint((XmlSchemaIdentityConstraint)element.Constraints[i]);
}
}
private void PreprocessIdentityConstraint(XmlSchemaIdentityConstraint constraint)
{
bool valid = true;
PreprocessAnnotation(constraint); //Set parent of annotation child of key/keyref/unique
if (constraint.Name != null)
{
ValidateNameAttribute(constraint);
constraint.SetQualifiedName(new XmlQualifiedName(constraint.Name, _targetNamespace));
}
else
{
SendValidationEvent(ResXml.Sch_MissRequiredAttribute, "name", constraint);
valid = false;
}
if (_schema.IdentityConstraints[constraint.QualifiedName] != null)
{
SendValidationEvent(ResXml.Sch_DupIdentityConstraint, constraint.QualifiedName.ToString(), constraint);
valid = false;
}
else
{
_schema.IdentityConstraints.Add(constraint.QualifiedName, constraint);
}
if (constraint.Selector == null)
{
SendValidationEvent(ResXml.Sch_IdConstraintNoSelector, constraint);
valid = false;
}
if (constraint.Fields.Count == 0)
{
SendValidationEvent(ResXml.Sch_IdConstraintNoFields, constraint);
valid = false;
}
if (constraint is XmlSchemaKeyref)
{
XmlSchemaKeyref keyref = (XmlSchemaKeyref)constraint;
if (keyref.Refer.IsEmpty)
{
SendValidationEvent(ResXml.Sch_IdConstraintNoRefer, constraint);
valid = false;
}
else
{
ValidateQNameAttribute(keyref, "refer", keyref.Refer);
}
}
if (valid)
{
ValidateIdAttribute(constraint);
ValidateIdAttribute(constraint.Selector);
SetParent(constraint.Selector, constraint);
for (int i = 0; i < constraint.Fields.Count; ++i)
{
SetParent(constraint.Fields[i], constraint);
ValidateIdAttribute(constraint.Fields[i]);
}
}
}
private void PreprocessSimpleType(XmlSchemaSimpleType simpleType, bool local)
{
if (local)
{
if (simpleType.Name != null)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "name", simpleType);
}
}
else
{
if (simpleType.Name != null)
{
ValidateNameAttribute(simpleType);
simpleType.SetQualifiedName(new XmlQualifiedName(simpleType.Name, _targetNamespace));
}
else
{
SendValidationEvent(ResXml.Sch_MissRequiredAttribute, "name", simpleType);
}
if (simpleType.Final == XmlSchemaDerivationMethod.All)
{
simpleType.SetFinalResolved(XmlSchemaDerivationMethod.All);
}
else if (simpleType.Final == XmlSchemaDerivationMethod.None)
{
if (_finalDefault == XmlSchemaDerivationMethod.All)
{
simpleType.SetFinalResolved(XmlSchemaDerivationMethod.All);
}
else
{
simpleType.SetFinalResolved(_finalDefault & simpleTypeFinalAllowed);
}
}
else
{
if ((simpleType.Final & ~simpleTypeFinalAllowed) != 0)
{
SendValidationEvent(ResXml.Sch_InvalidSimpleTypeFinalValue, simpleType);
}
simpleType.SetFinalResolved(simpleType.Final & simpleTypeFinalAllowed);
}
}
if (simpleType.Content == null)
{
SendValidationEvent(ResXml.Sch_NoSimpleTypeContent, simpleType);
}
else if (simpleType.Content is XmlSchemaSimpleTypeRestriction)
{
XmlSchemaSimpleTypeRestriction restriction = (XmlSchemaSimpleTypeRestriction)simpleType.Content;
//SetParent
SetParent(restriction, simpleType);
for (int i = 0; i < restriction.Facets.Count; ++i)
{
SetParent(restriction.Facets[i], restriction);
}
if (restriction.BaseType != null)
{
if (!restriction.BaseTypeName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_SimpleTypeRestRefBase, restriction);
}
PreprocessSimpleType(restriction.BaseType, true);
}
else
{
if (restriction.BaseTypeName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_SimpleTypeRestRefBaseNone, restriction);
}
else
{
ValidateQNameAttribute(restriction, "base", restriction.BaseTypeName);
}
}
PreprocessAnnotation(restriction); //set parent of annotation child of simple type restriction
ValidateIdAttribute(restriction);
}
else if (simpleType.Content is XmlSchemaSimpleTypeList)
{
XmlSchemaSimpleTypeList list = (XmlSchemaSimpleTypeList)simpleType.Content;
SetParent(list, simpleType);
if (list.ItemType != null)
{
if (!list.ItemTypeName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_SimpleTypeListRefBase, list);
}
SetParent(list.ItemType, list);
PreprocessSimpleType(list.ItemType, true);
}
else
{
if (list.ItemTypeName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_SimpleTypeListRefBaseNone, list);
}
else
{
ValidateQNameAttribute(list, "itemType", list.ItemTypeName);
}
}
PreprocessAnnotation(list); //set parent of annotation child of simple type list
ValidateIdAttribute(list);
}
else
{ // union
XmlSchemaSimpleTypeUnion union1 = (XmlSchemaSimpleTypeUnion)simpleType.Content;
SetParent(union1, simpleType);
int baseTypeCount = union1.BaseTypes.Count;
if (union1.MemberTypes != null)
{
baseTypeCount += union1.MemberTypes.Length;
for (int i = 0; i < union1.MemberTypes.Length; ++i)
{
ValidateQNameAttribute(union1, "memberTypes", union1.MemberTypes[i]);
}
}
if (baseTypeCount == 0)
{
SendValidationEvent(ResXml.Sch_SimpleTypeUnionNoBase, union1);
}
for (int i = 0; i < union1.BaseTypes.Count; ++i)
{
SetParent(union1.BaseTypes[i], union1);
PreprocessSimpleType((XmlSchemaSimpleType)union1.BaseTypes[i], true);
}
PreprocessAnnotation(union1); //set parent of annotation child of simple type union
ValidateIdAttribute(union1);
}
ValidateIdAttribute(simpleType);
}
private void PreprocessComplexType(XmlSchemaComplexType complexType, bool local)
{
if (local)
{
if (complexType.Name != null)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "name", complexType);
}
}
else
{
if (complexType.Name != null)
{
ValidateNameAttribute(complexType);
complexType.SetQualifiedName(new XmlQualifiedName(complexType.Name, _targetNamespace));
}
else
{
SendValidationEvent(ResXml.Sch_MissRequiredAttribute, "name", complexType);
}
if (complexType.Block == XmlSchemaDerivationMethod.All)
{
complexType.SetBlockResolved(XmlSchemaDerivationMethod.All);
}
else if (complexType.Block == XmlSchemaDerivationMethod.None)
{
complexType.SetBlockResolved(_blockDefault & complexTypeBlockAllowed);
}
else
{
if ((complexType.Block & ~complexTypeBlockAllowed) != 0)
{
SendValidationEvent(ResXml.Sch_InvalidComplexTypeBlockValue, complexType);
}
complexType.SetBlockResolved(complexType.Block & complexTypeBlockAllowed);
}
if (complexType.Final == XmlSchemaDerivationMethod.All)
{
complexType.SetFinalResolved(XmlSchemaDerivationMethod.All);
}
else if (complexType.Final == XmlSchemaDerivationMethod.None)
{
if (_finalDefault == XmlSchemaDerivationMethod.All)
{
complexType.SetFinalResolved(XmlSchemaDerivationMethod.All);
}
else
{
complexType.SetFinalResolved(_finalDefault & complexTypeFinalAllowed);
}
}
else
{
if ((complexType.Final & ~complexTypeFinalAllowed) != 0)
{
SendValidationEvent(ResXml.Sch_InvalidComplexTypeFinalValue, complexType);
}
complexType.SetFinalResolved(complexType.Final & complexTypeFinalAllowed);
}
}
if (complexType.ContentModel != null)
{
SetParent(complexType.ContentModel, complexType); //SimpleContent / complexCotent
PreprocessAnnotation(complexType.ContentModel);
if (complexType.Particle != null || complexType.Attributes != null)
{
// this is illigal
}
if (complexType.ContentModel is XmlSchemaSimpleContent)
{
XmlSchemaSimpleContent content = (XmlSchemaSimpleContent)complexType.ContentModel;
if (content.Content == null)
{
if (complexType.QualifiedName == XmlQualifiedName.Empty)
{
SendValidationEvent(ResXml.Sch_NoRestOrExt, complexType);
}
else
{
SendValidationEvent(ResXml.Sch_NoRestOrExtQName, complexType.QualifiedName.Name, complexType.QualifiedName.Namespace, complexType);
}
}
else
{
SetParent(content.Content, content); //simplecontent extension / restriction
PreprocessAnnotation(content.Content); //annotation child of simple extension / restriction
if (content.Content is XmlSchemaSimpleContentExtension)
{
XmlSchemaSimpleContentExtension contentExtension = (XmlSchemaSimpleContentExtension)content.Content;
if (contentExtension.BaseTypeName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_MissAttribute, "base", contentExtension);
}
else
{
ValidateQNameAttribute(contentExtension, "base", contentExtension.BaseTypeName);
}
PreprocessAttributes(contentExtension.Attributes, contentExtension.AnyAttribute, contentExtension);
ValidateIdAttribute(contentExtension);
}
else
{ //XmlSchemaSimpleContentRestriction
XmlSchemaSimpleContentRestriction contentRestriction = (XmlSchemaSimpleContentRestriction)content.Content;
if (contentRestriction.BaseTypeName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_MissAttribute, "base", contentRestriction);
}
else
{
ValidateQNameAttribute(contentRestriction, "base", contentRestriction.BaseTypeName);
}
if (contentRestriction.BaseType != null)
{
SetParent(contentRestriction.BaseType, contentRestriction);
PreprocessSimpleType(contentRestriction.BaseType, true);
}
PreprocessAttributes(contentRestriction.Attributes, contentRestriction.AnyAttribute, contentRestriction);
ValidateIdAttribute(contentRestriction);
}
}
ValidateIdAttribute(content);
}
else
{ // XmlSchemaComplexContent
XmlSchemaComplexContent content = (XmlSchemaComplexContent)complexType.ContentModel;
if (content.Content == null)
{
if (complexType.QualifiedName == XmlQualifiedName.Empty)
{
SendValidationEvent(ResXml.Sch_NoRestOrExt, complexType);
}
else
{
SendValidationEvent(ResXml.Sch_NoRestOrExtQName, complexType.QualifiedName.Name, complexType.QualifiedName.Namespace, complexType);
}
}
else
{
if (!content.HasMixedAttribute && complexType.IsMixed)
{
content.IsMixed = true; // fixup
}
SetParent(content.Content, content); //complexcontent extension / restriction
PreprocessAnnotation(content.Content); //Annotation child of extension / restriction
if (content.Content is XmlSchemaComplexContentExtension)
{
XmlSchemaComplexContentExtension contentExtension = (XmlSchemaComplexContentExtension)content.Content;
if (contentExtension.BaseTypeName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_MissAttribute, "base", contentExtension);
}
else
{
ValidateQNameAttribute(contentExtension, "base", contentExtension.BaseTypeName);
}
if (contentExtension.Particle != null)
{
SetParent(contentExtension.Particle, contentExtension); //Group / all / choice / sequence
PreprocessParticle(contentExtension.Particle);
}
PreprocessAttributes(contentExtension.Attributes, contentExtension.AnyAttribute, contentExtension);
ValidateIdAttribute(contentExtension);
}
else
{ // XmlSchemaComplexContentRestriction
XmlSchemaComplexContentRestriction contentRestriction = (XmlSchemaComplexContentRestriction)content.Content;
if (contentRestriction.BaseTypeName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_MissAttribute, "base", contentRestriction);
}
else
{
ValidateQNameAttribute(contentRestriction, "base", contentRestriction.BaseTypeName);
}
if (contentRestriction.Particle != null)
{
SetParent(contentRestriction.Particle, contentRestriction); //Group / all / choice / sequence
PreprocessParticle(contentRestriction.Particle);
}
PreprocessAttributes(contentRestriction.Attributes, contentRestriction.AnyAttribute, contentRestriction);
ValidateIdAttribute(contentRestriction);
}
ValidateIdAttribute(content);
}
}
}
else
{
if (complexType.Particle != null)
{
SetParent(complexType.Particle, complexType);
PreprocessParticle(complexType.Particle);
}
PreprocessAttributes(complexType.Attributes, complexType.AnyAttribute, complexType);
}
ValidateIdAttribute(complexType);
}
private void PreprocessGroup(XmlSchemaGroup group)
{
if (group.Name != null)
{
ValidateNameAttribute(group);
group.SetQualifiedName(new XmlQualifiedName(group.Name, _targetNamespace));
}
else
{
SendValidationEvent(ResXml.Sch_MissRequiredAttribute, "name", group);
}
if (group.Particle == null)
{
SendValidationEvent(ResXml.Sch_NoGroupParticle, group);
return;
}
if (group.Particle.MinOccursString != null)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "minOccurs", group.Particle);
}
if (group.Particle.MaxOccursString != null)
{
SendValidationEvent(ResXml.Sch_ForbiddenAttribute, "maxOccurs", group.Particle);
}
PreprocessParticle(group.Particle);
PreprocessAnnotation(group); //Set parent of annotation child of group
ValidateIdAttribute(group);
}
private void PreprocessNotation(XmlSchemaNotation notation)
{
if (notation.Name != null)
{
ValidateNameAttribute(notation);
notation.QualifiedName = new XmlQualifiedName(notation.Name, _targetNamespace);
}
else
{
SendValidationEvent(ResXml.Sch_MissRequiredAttribute, "name", notation);
}
if (notation.Public != null)
{
try
{
XmlConvert.ToUri(notation.Public); // can throw
}
catch
{
SendValidationEvent(ResXml.Sch_InvalidPublicAttribute, notation.Public, notation);
}
}
else
{
SendValidationEvent(ResXml.Sch_MissRequiredAttribute, "public", notation);
}
if (notation.System != null)
{
try
{
XmlConvert.ToUri(notation.System); // can throw
}
catch
{
SendValidationEvent(ResXml.Sch_InvalidSystemAttribute, notation.System, notation);
}
}
PreprocessAnnotation(notation); //Set parent of annotation child of notation
ValidateIdAttribute(notation);
}
private void PreprocessParticle(XmlSchemaParticle particle)
{
XmlSchemaAll schemaAll = particle as XmlSchemaAll;
if (schemaAll != null)
{
if (particle.MinOccurs != decimal.Zero && particle.MinOccurs != decimal.One)
{
particle.MinOccurs = decimal.One;
SendValidationEvent(ResXml.Sch_InvalidAllMin, particle);
}
if (particle.MaxOccurs != decimal.One)
{
particle.MaxOccurs = decimal.One;
SendValidationEvent(ResXml.Sch_InvalidAllMax, particle);
}
for (int i = 0; i < schemaAll.Items.Count; ++i)
{
XmlSchemaElement element = (XmlSchemaElement)schemaAll.Items[i];
if (element.MaxOccurs != decimal.Zero && element.MaxOccurs != decimal.One)
{
element.MaxOccurs = decimal.One;
SendValidationEvent(ResXml.Sch_InvalidAllElementMax, element);
}
SetParent(element, particle);
PreprocessLocalElement(element);
}
}
else
{
if (particle.MinOccurs > particle.MaxOccurs)
{
particle.MinOccurs = particle.MaxOccurs;
SendValidationEvent(ResXml.Sch_MinGtMax, particle);
}
XmlSchemaChoice choice = particle as XmlSchemaChoice;
if (choice != null)
{
XmlSchemaObjectCollection choices = choice.Items;
for (int i = 0; i < choices.Count; ++i)
{
SetParent(choices[i], particle);
XmlSchemaElement element = choices[i] as XmlSchemaElement;
if (element != null)
{
PreprocessLocalElement(element);
}
else
{
PreprocessParticle((XmlSchemaParticle)choices[i]);
}
}
}
else if (particle is XmlSchemaSequence)
{
XmlSchemaObjectCollection sequences = ((XmlSchemaSequence)particle).Items;
for (int i = 0; i < sequences.Count; ++i)
{
SetParent(sequences[i], particle);
XmlSchemaElement element = sequences[i] as XmlSchemaElement;
if (element != null)
{
PreprocessLocalElement(element);
}
else
{
PreprocessParticle((XmlSchemaParticle)sequences[i]);
}
}
}
else if (particle is XmlSchemaGroupRef)
{
XmlSchemaGroupRef groupRef = (XmlSchemaGroupRef)particle;
if (groupRef.RefName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_MissAttribute, "ref", groupRef);
}
else
{
ValidateQNameAttribute(groupRef, "ref", groupRef.RefName);
}
}
else if (particle is XmlSchemaAny)
{
try
{
((XmlSchemaAny)particle).BuildNamespaceListV1Compat(_targetNamespace);
}
catch
{
SendValidationEvent(ResXml.Sch_InvalidAny, particle);
}
}
}
PreprocessAnnotation(particle); //set parent of annotation child of group / all/ choice / sequence
ValidateIdAttribute(particle);
}
private void PreprocessAttributes(XmlSchemaObjectCollection attributes, XmlSchemaAnyAttribute anyAttribute, XmlSchemaObject parent)
{
for (int i = 0; i < attributes.Count; ++i)
{
SetParent(attributes[i], parent);
XmlSchemaAttribute attribute = attributes[i] as XmlSchemaAttribute;
if (attribute != null)
{
PreprocessLocalAttribute(attribute);
}
else
{ // XmlSchemaAttributeGroupRef
XmlSchemaAttributeGroupRef attributeGroupRef = (XmlSchemaAttributeGroupRef)attributes[i];
if (attributeGroupRef.RefName.IsEmpty)
{
SendValidationEvent(ResXml.Sch_MissAttribute, "ref", attributeGroupRef);
}
else
{
ValidateQNameAttribute(attributeGroupRef, "ref", attributeGroupRef.RefName);
}
PreprocessAnnotation(attributes[i]); //set parent of annotation child of attributeGroupRef
ValidateIdAttribute(attributes[i]);
}
}
if (anyAttribute != null)
{
try
{
SetParent(anyAttribute, parent);
PreprocessAnnotation(anyAttribute); //set parent of annotation child of any attribute
anyAttribute.BuildNamespaceListV1Compat(_targetNamespace);
}
catch
{
SendValidationEvent(ResXml.Sch_InvalidAnyAttribute, anyAttribute);
}
ValidateIdAttribute(anyAttribute);
}
}
private void ValidateIdAttribute(XmlSchemaObject xso)
{
if (xso.IdAttribute != null)
{
try
{
xso.IdAttribute = NameTable.Add(XmlConvert.VerifyNCName(xso.IdAttribute));
if (_schema.Ids[xso.IdAttribute] != null)
{
SendValidationEvent(ResXml.Sch_DupIdAttribute, xso);
}
else
{
_schema.Ids.Add(xso.IdAttribute, xso);
}
}
catch (Exception ex)
{
SendValidationEvent(ResXml.Sch_InvalidIdAttribute, ex.Message, xso);
}
}
}
private void ValidateNameAttribute(XmlSchemaObject xso)
{
string name = xso.NameAttribute;
if (name == null || name.Length == 0)
{
SendValidationEvent(ResXml.Sch_InvalidNameAttributeEx, null, ResXml.Sch_NullValue, xso);
}
//Normalize whitespace since NCName has whitespace facet="collapse"
name = XmlComplianceUtil.NonCDataNormalize(name);
int len = ValidateNames.ParseNCName(name, 0);
if (len != name.Length)
{ // If the string is not a valid NCName, then throw or return false
string[] invCharArgs = XmlException.BuildCharExceptionArgs(name, len);
string innerStr = string.Format(ResXml.Xml_BadNameCharWithPos, invCharArgs[0], invCharArgs[1], len);
SendValidationEvent(ResXml.Sch_InvalidNameAttributeEx, name, innerStr, xso);
}
else
{
xso.NameAttribute = NameTable.Add(name);
}
}
private void ValidateQNameAttribute(XmlSchemaObject xso, string attributeName, XmlQualifiedName value)
{
try
{
value.Verify();
value.Atomize(NameTable);
if (_referenceNamespaces[value.Namespace] == null)
{
SendValidationEvent(ResXml.Sch_UnrefNS, value.Namespace, xso, XmlSeverityType.Warning);
}
}
catch (Exception ex)
{
SendValidationEvent(ResXml.Sch_InvalidAttribute, attributeName, ex.Message, xso);
}
}
private void SetParent(XmlSchemaObject child, XmlSchemaObject parent)
{
child.Parent = parent;
}
private void PreprocessAnnotation(XmlSchemaObject schemaObject)
{
XmlSchemaAnnotated annotated = schemaObject as XmlSchemaAnnotated;
if (annotated != null)
{
if (annotated.Annotation != null)
{
annotated.Annotation.Parent = schemaObject;
for (int i = 0; i < annotated.Annotation.Items.Count; ++i)
{
annotated.Annotation.Items[i].Parent = annotated.Annotation; //Can be documentation or appInfo
}
}
}
}
// [ResourceConsumption(ResourceScope.Machine)]
// [ResourceExposure(ResourceScope.Machine)]
private Uri ResolveSchemaLocationUri(XmlSchema enclosingSchema, string location)
{
try
{
return _xmlResolver.ResolveUri(enclosingSchema.BaseUri, location);
}
catch
{
return null;
}
}
private Stream GetSchemaEntity(Uri ruri)
{
try
{
return (Stream)_xmlResolver.GetEntity(ruri, null, null);
}
catch
{
return null;
}
}
};
#pragma warning restore 618
} // namespace Microsoft.Xml
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