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//------------------------------------------------------------------------------
// <copyright file="SchemaInfo.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
using System;
using System.Xml;
using System.Diagnostics;
using System.Collections.Generic;
namespace System.Xml.Schema {
#if !SILVERLIGHT
internal enum AttributeMatchState {
AttributeFound,
AnyIdAttributeFound,
UndeclaredElementAndAttribute,
UndeclaredAttribute,
AnyAttributeLax,
AnyAttributeSkip,
ProhibitedAnyAttribute,
ProhibitedAttribute,
AttributeNameMismatch,
ValidateAttributeInvalidCall,
}
#endif
internal class SchemaInfo : IDtdInfo {
Dictionary<XmlQualifiedName, SchemaElementDecl> elementDecls = new Dictionary<XmlQualifiedName, SchemaElementDecl>();
Dictionary<XmlQualifiedName, SchemaElementDecl> undeclaredElementDecls = new Dictionary<XmlQualifiedName, SchemaElementDecl>();
Dictionary<XmlQualifiedName, SchemaEntity> generalEntities;
Dictionary<XmlQualifiedName, SchemaEntity> parameterEntities;
XmlQualifiedName docTypeName = XmlQualifiedName.Empty;
string internalDtdSubset = string.Empty;
bool hasNonCDataAttributes = false;
bool hasDefaultAttributes = false;
#if !SILVERLIGHT
Dictionary<string, bool> targetNamespaces = new Dictionary<string, bool>();
Dictionary<XmlQualifiedName, SchemaAttDef> attributeDecls = new Dictionary<XmlQualifiedName, SchemaAttDef>();
int errorCount;
SchemaType schemaType;
Dictionary<XmlQualifiedName, SchemaElementDecl> elementDeclsByType = new Dictionary<XmlQualifiedName, SchemaElementDecl>();
Dictionary<string, SchemaNotation> notations;
#endif
internal SchemaInfo() {
#if !SILVERLIGHT
schemaType = SchemaType.None;
#endif
}
public XmlQualifiedName DocTypeName {
get { return docTypeName; }
set { docTypeName = value; }
}
internal string InternalDtdSubset {
get { return internalDtdSubset; }
set { internalDtdSubset = value; }
}
internal Dictionary<XmlQualifiedName, SchemaElementDecl> ElementDecls {
get { return elementDecls; }
}
internal Dictionary<XmlQualifiedName, SchemaElementDecl> UndeclaredElementDecls {
get { return undeclaredElementDecls; }
}
internal Dictionary<XmlQualifiedName, SchemaEntity> GeneralEntities {
get {
if (this.generalEntities == null) {
this.generalEntities = new Dictionary<XmlQualifiedName, SchemaEntity>();
}
return this.generalEntities;
}
}
internal Dictionary<XmlQualifiedName, SchemaEntity> ParameterEntities {
get {
if (this.parameterEntities == null) {
this.parameterEntities = new Dictionary<XmlQualifiedName, SchemaEntity>();
}
return this.parameterEntities;
}
}
#if !SILVERLIGHT
internal SchemaType SchemaType {
get { return schemaType;}
set { schemaType = value;}
}
internal Dictionary<string, bool> TargetNamespaces {
get { return targetNamespaces; }
}
internal Dictionary<XmlQualifiedName, SchemaElementDecl> ElementDeclsByType {
get { return elementDeclsByType; }
}
internal Dictionary<XmlQualifiedName, SchemaAttDef> AttributeDecls {
get { return attributeDecls; }
}
internal Dictionary<string, SchemaNotation> Notations {
get {
if (this.notations == null) {
this.notations = new Dictionary<string, SchemaNotation>();
}
return this.notations;
}
}
internal int ErrorCount {
get { return errorCount; }
set { errorCount = value; }
}
internal SchemaElementDecl GetElementDecl(XmlQualifiedName qname) {
SchemaElementDecl elemDecl;
if (elementDecls.TryGetValue(qname, out elemDecl)) {
return elemDecl;
}
return null;
}
internal SchemaElementDecl GetTypeDecl(XmlQualifiedName qname) {
SchemaElementDecl elemDecl;
if (elementDeclsByType.TryGetValue(qname, out elemDecl)) {
return elemDecl;
}
return null;
}
internal XmlSchemaElement GetElement(XmlQualifiedName qname) {
SchemaElementDecl ed = GetElementDecl(qname);
if (ed != null) {
return ed.SchemaElement;
}
return null;
}
internal XmlSchemaAttribute GetAttribute(XmlQualifiedName qname) {
SchemaAttDef attdef = (SchemaAttDef)attributeDecls[qname];
if (attdef != null) {
return attdef.SchemaAttribute;
}
return null;
}
internal XmlSchemaElement GetType(XmlQualifiedName qname) {
SchemaElementDecl ed = GetElementDecl(qname);
if (ed != null) {
return ed.SchemaElement;
}
return null;
}
internal bool HasSchema(string ns) {
return targetNamespaces.ContainsKey(ns);
}
internal bool Contains(string ns) {
return targetNamespaces.ContainsKey(ns);
}
internal SchemaAttDef GetAttributeXdr(SchemaElementDecl ed, XmlQualifiedName qname) {
SchemaAttDef attdef = null;
if (ed != null) {
attdef = ed.GetAttDef(qname);;
if (attdef == null) {
if (!ed.ContentValidator.IsOpen || qname.Namespace.Length == 0) {
throw new XmlSchemaException(Res.Sch_UndeclaredAttribute, qname.ToString());
}
if (!attributeDecls.TryGetValue(qname, out attdef) && targetNamespaces.ContainsKey(qname.Namespace)) {
throw new XmlSchemaException(Res.Sch_UndeclaredAttribute, qname.ToString());
}
}
}
return attdef;
}
internal SchemaAttDef GetAttributeXsd(SchemaElementDecl ed, XmlQualifiedName qname, XmlSchemaObject partialValidationType, out AttributeMatchState attributeMatchState) {
SchemaAttDef attdef = null;
attributeMatchState = AttributeMatchState.UndeclaredAttribute;
if (ed != null) {
attdef = ed.GetAttDef(qname);
if (attdef != null) {
attributeMatchState = AttributeMatchState.AttributeFound;
return attdef;
}
XmlSchemaAnyAttribute any = ed.AnyAttribute;
if (any != null) {
if (!any.NamespaceList.Allows(qname)) {
attributeMatchState = AttributeMatchState.ProhibitedAnyAttribute;
}
else if (any.ProcessContentsCorrect != XmlSchemaContentProcessing.Skip) {
if (attributeDecls.TryGetValue(qname, out attdef)) {
if (attdef.Datatype.TypeCode == XmlTypeCode.Id) { //anyAttribute match whose type is ID
attributeMatchState = AttributeMatchState.AnyIdAttributeFound;
}
else {
attributeMatchState = AttributeMatchState.AttributeFound;
}
}
else if (any.ProcessContentsCorrect == XmlSchemaContentProcessing.Lax) {
attributeMatchState = AttributeMatchState.AnyAttributeLax;
}
}
else {
attributeMatchState = AttributeMatchState.AnyAttributeSkip;
}
}
else if (ed.ProhibitedAttributes.ContainsKey(qname)) {
attributeMatchState = AttributeMatchState.ProhibitedAttribute;
}
}
else if (partialValidationType != null) {
XmlSchemaAttribute attr = partialValidationType as XmlSchemaAttribute;
if (attr != null) {
if (qname.Equals(attr.QualifiedName)) {
attdef = attr.AttDef;
attributeMatchState = AttributeMatchState.AttributeFound;
}
else {
attributeMatchState = AttributeMatchState.AttributeNameMismatch;
}
}
else {
attributeMatchState = AttributeMatchState.ValidateAttributeInvalidCall;
}
}
else {
if (attributeDecls.TryGetValue(qname, out attdef)) {
attributeMatchState = AttributeMatchState.AttributeFound;
}
else {
attributeMatchState = AttributeMatchState.UndeclaredElementAndAttribute;
}
}
return attdef;
}
internal SchemaAttDef GetAttributeXsd(SchemaElementDecl ed, XmlQualifiedName qname, ref bool skip) {
AttributeMatchState attributeMatchState;
SchemaAttDef attDef = GetAttributeXsd(ed, qname, null, out attributeMatchState);
switch(attributeMatchState) {
case AttributeMatchState.UndeclaredAttribute:
throw new XmlSchemaException(Res.Sch_UndeclaredAttribute, qname.ToString());
case AttributeMatchState.ProhibitedAnyAttribute:
case AttributeMatchState.ProhibitedAttribute:
throw new XmlSchemaException(Res.Sch_ProhibitedAttribute, qname.ToString());
case AttributeMatchState.AttributeFound:
case AttributeMatchState.AnyIdAttributeFound:
case AttributeMatchState.AnyAttributeLax:
case AttributeMatchState.UndeclaredElementAndAttribute:
break;
case AttributeMatchState.AnyAttributeSkip:
skip = true;
break;
default:
Debug.Assert(false);
break;
}
return attDef;
}
internal void Add(SchemaInfo sinfo, ValidationEventHandler eventhandler) {
if (schemaType == SchemaType.None) {
schemaType = sinfo.SchemaType;
}
else if (schemaType != sinfo.SchemaType) {
if (eventhandler != null) {
eventhandler(this, new ValidationEventArgs(new XmlSchemaException(Res.Sch_MixSchemaTypes, string.Empty)));
}
return;
}
foreach(string tns in sinfo.TargetNamespaces.Keys) {
if (!targetNamespaces.ContainsKey(tns)) {
targetNamespaces.Add(tns, true);
}
}
foreach(KeyValuePair<XmlQualifiedName, SchemaElementDecl> entry in sinfo.elementDecls) {
if (!elementDecls.ContainsKey(entry.Key)) {
elementDecls.Add(entry.Key, entry.Value);
}
}
foreach(KeyValuePair<XmlQualifiedName, SchemaElementDecl> entry in sinfo.elementDeclsByType) {
if (!elementDeclsByType.ContainsKey(entry.Key)) {
elementDeclsByType.Add(entry.Key, entry.Value);
}
}
foreach (SchemaAttDef attdef in sinfo.AttributeDecls.Values) {
if (!attributeDecls.ContainsKey(attdef.Name)) {
attributeDecls.Add(attdef.Name, attdef);
}
}
foreach (SchemaNotation notation in sinfo.Notations.Values) {
if (!Notations.ContainsKey(notation.Name.Name)) {
Notations.Add(notation.Name.Name, notation);
}
}
}
#endif
internal void Finish() {
Dictionary<XmlQualifiedName, SchemaElementDecl> elements = elementDecls;
for ( int i = 0; i < 2; i++ ) {
foreach ( SchemaElementDecl e in elements.Values ) {
if ( e.HasNonCDataAttribute ) {
hasNonCDataAttributes = true;
}
if ( e.DefaultAttDefs != null ) {
hasDefaultAttributes = true;
}
}
elements = undeclaredElementDecls;
}
}
//
// IDtdInfo interface
//
#region IDtdInfo Members
bool IDtdInfo.HasDefaultAttributes {
get {
return hasDefaultAttributes;
}
}
bool IDtdInfo.HasNonCDataAttributes {
get {
return hasNonCDataAttributes;
}
}
IDtdAttributeListInfo IDtdInfo.LookupAttributeList(string prefix, string localName) {
XmlQualifiedName qname = new XmlQualifiedName(prefix, localName);
SchemaElementDecl elementDecl;
if (!elementDecls.TryGetValue(qname, out elementDecl)) {
undeclaredElementDecls.TryGetValue(qname, out elementDecl);
}
return elementDecl;
}
IEnumerable<IDtdAttributeListInfo> IDtdInfo.GetAttributeLists() {
foreach (SchemaElementDecl elemDecl in elementDecls.Values) {
IDtdAttributeListInfo eleDeclAsAttList = (IDtdAttributeListInfo)elemDecl;
yield return eleDeclAsAttList;
}
}
IDtdEntityInfo IDtdInfo.LookupEntity(string name) {
if (generalEntities == null) {
return null;
}
XmlQualifiedName qname = new XmlQualifiedName(name);
SchemaEntity entity;
if (generalEntities.TryGetValue(qname, out entity)) {
return entity;
}
return null;
}
XmlQualifiedName IDtdInfo.Name {
get { return docTypeName; }
}
string IDtdInfo.InternalDtdSubset {
get { return internalDtdSubset; }
}
#endregion
}
}
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