private void InitiateXsdDateTime(Parser parser)
{
this.dt = new DateTime(parser.year, parser.month, parser.day, parser.hour, parser.minute, parser.second);
if (parser.fraction != 0)
{
this.dt = this.dt.AddTicks((long) parser.fraction);
}
this.extra = (uint) ((((((int) parser.typeCode) << 0x18) | (((int) parser.kind) << 0x10)) | (parser.zoneHour << 8)) | parser.zoneMinute);
}
public XsdDateTime(string text, XsdDateTimeFlags kinds)
{
this = new XsdDateTime();
Parser parser = new Parser();
if (!parser.Parse(text, kinds))
{
throw new FormatException(Res.GetString("XmlConvert_BadFormat", new object[] { text, kinds }));
}
this.InitiateXsdDateTime(parser);
}
internal static bool TryParse(string text, XsdDateTimeFlags kinds, out XsdDateTime result)
{
Parser parser = new Parser();
if (!parser.Parse(text, kinds))
{
result = new XsdDateTime();
return false;
}
result = new XsdDateTime(parser);
return true;
}
private void ValidateElement() {
elementName.Init(reader.LocalName, XmlSchemaDatatype.XdrCanonizeUri(reader.NamespaceURI, NameTable, SchemaNames));
ValidateChildElement();
if (SchemaNames.IsXDRRoot(elementName.Name, elementName.Namespace) && reader.Depth > 0) {
inlineSchemaParser = new Parser(SchemaType.XDR, NameTable, SchemaNames, EventHandler);
inlineSchemaParser.StartParsing(reader, null);
inlineSchemaParser.ParseReaderNode();
}
else {
ProcessElement();
}
}
private void LoadSchemaFromLocation(string uri) {
// is x-schema
if (!XdrBuilder.IsXdrSchema(uri)) {
return;
}
string url = uri.Substring(x_schema.Length);
XmlReader reader = null;
SchemaInfo xdrSchema = null;
try {
Uri ruri = this.XmlResolver.ResolveUri(BaseUri, url);
Stream stm = (Stream)this.XmlResolver.GetEntity(ruri,null,null);
reader = new XmlTextReader(ruri.ToString(), stm, NameTable);
((XmlTextReader)reader).XmlResolver = this.XmlResolver;
Parser parser = new Parser(SchemaType.XDR, NameTable, SchemaNames, EventHandler);
parser.XmlResolver = this.XmlResolver;
parser.Parse(reader, uri);
while(reader.Read());// wellformness check
xdrSchema = parser.XdrSchema;
}
catch(XmlSchemaException e) {
SendValidationEvent(Res.Sch_CannotLoadSchema, new string[] {uri, e.Message}, XmlSeverityType.Error);
}
catch(Exception e) {
SendValidationEvent(Res.Sch_CannotLoadSchema, new string[] {uri, e.Message}, XmlSeverityType.Warning);
}
finally {
if (reader != null) {
reader.Close();
}
}
if (xdrSchema != null && xdrSchema.ErrorCount == 0) {
schemaInfo.Add(xdrSchema, EventHandler);
SchemaCollection.Add(uri, xdrSchema, null, false);
}
}
private void ProcessInlineSchema() {
if (!inlineSchemaParser.ParseReaderNode()) { // Done
inlineSchemaParser.FinishParsing();
SchemaInfo xdrSchema = inlineSchemaParser.XdrSchema;
if (xdrSchema != null && xdrSchema.ErrorCount == 0) {
foreach(string inlineNS in xdrSchema.TargetNamespaces.Keys) {
if (!this.schemaInfo.HasSchema(inlineNS)) {
schemaInfo.Add(xdrSchema, EventHandler);
SchemaCollection.Add(inlineNS, xdrSchema, null, false);
break;
}
}
}
inlineSchemaParser = null;
}
}
private XsdDateTime(Parser parser)
{
this = new XsdDateTime();
this.InitiateXsdDateTime(parser);
}
private void InitiateXsdDateTime(Parser parser)
{
dt = new DateTime(parser.year, parser.month, parser.day, parser.hour, parser.minute, parser.second);
if (parser.fraction != 0)
{
dt = dt.AddTicks(parser.fraction);
}
extra = (uint)(((int)parser.typeCode << TypeShift) | ((int)parser.kind << KindShift) | (parser.zoneHour << ZoneHourShift) | parser.zoneMinute);
}
private void ProcessInlineSchema() {
Debug.Assert(inlineSchemaParser != null);
if (coreReader.Read()) {
if (coreReader.NodeType == XmlNodeType.Element) {
attributeCount = coreReaderAttributeCount = coreReader.AttributeCount;
}
else { //Clear attributes info if nodeType is not element
ClearAttributesInfo();
}
if (!inlineSchemaParser.ParseReaderNode()) {
inlineSchemaParser.FinishParsing();
XmlSchema schema = inlineSchemaParser.XmlSchema;
validator.AddSchema(schema);
inlineSchemaParser = null;
validationState = ValidatingReaderState.Read;
}
}
}
private bool LoadSchema(string uri)
{
if (_xmlResolver == null)
{
return false;
}
uri = _NameTable.Add(uri);
if (_SchemaInfo.TargetNamespaces.ContainsKey(uri))
{
return false;
}
SchemaInfo schemaInfo = null;
Uri _baseUri = _xmlResolver.ResolveUri(null, _reader.BaseURI);
XmlReader reader = null;
try
{
Uri ruri = _xmlResolver.ResolveUri(_baseUri, uri.Substring(x_schema.Length));
Stream stm = (Stream)_xmlResolver.GetEntity(ruri, null, null);
reader = new XmlTextReader(ruri.ToString(), stm, _NameTable);
schemaInfo = new SchemaInfo();
Parser parser = new Parser(SchemaType.XDR, _NameTable, _SchemaNames, _validationEventHandler);
parser.XmlResolver = _xmlResolver;
parser.Parse(reader, uri);
schemaInfo = parser.XdrSchema;
}
catch (XmlException e)
{
SendValidationEvent(SR.Sch_CannotLoadSchema, new string[] { uri, e.Message }, XmlSeverityType.Warning);
schemaInfo = null;
}
finally
{
if (reader != null)
{
reader.Close();
}
}
if (schemaInfo != null && schemaInfo.ErrorCount == 0)
{
_SchemaInfo.Add(schemaInfo, _validationEventHandler);
return true;
}
return false;
}
private void LoadExternals(XmlSchema schema) {
if (schema.IsProcessing) {
return;
}
schema.IsProcessing = true;
for (int i = 0; i < schema.Includes.Count; ++i) {
Uri includeLocation = null;
//CASE 1: If the Schema object of the include has been set
XmlSchemaExternal include = (XmlSchemaExternal)schema.Includes[i];
XmlSchema includedSchema = include.Schema;
if (includedSchema != null) {
// already loaded
includeLocation = includedSchema.BaseUri;
if (includeLocation != null && schemaLocations[includeLocation] == null) {
schemaLocations.Add(includeLocation, includedSchema);
}
LoadExternals(includedSchema);
continue;
}
//CASE 2: Try & Parse schema from the provided location
string schemaLocation = include.SchemaLocation;
Uri ruri = null;
Exception innerException = null;
if (schemaLocation != null) {
try {
ruri = ResolveSchemaLocationUri(schema, schemaLocation);
}
catch(Exception e) {
ruri = null;
innerException = e;
}
}
if (include.Compositor == Compositor.Import) {
XmlSchemaImport import = include as XmlSchemaImport;
Debug.Assert(import != null);
string importNS = import.Namespace != null ? import.Namespace : string.Empty;
if (!schema.ImportedNamespaces.Contains(importNS)) {
schema.ImportedNamespaces.Add(importNS);
}
//CASE 2.1: If the imported namespace is the XML namespace,
// If the parent schemaSet already has schema for XML ns loaded, use that
// Else if the location is null use the built-in one
// else go through regular processing of parsing from location
if (importNS == XmlReservedNs.NsXml) {
if (ruri == null) { //Resolved location is null, hence get the built-in one
include.Schema = Preprocessor.GetBuildInSchema();
continue;
}
}
}
//CASE 3: Parse schema from the provided location
if (ruri == null) {
if (schemaLocation != null) {
SendValidationEvent(new XmlSchemaException(Res.Sch_InvalidIncludeLocation, null, innerException, include.SourceUri, include.LineNumber, include.LinePosition, include), XmlSeverityType.Warning);
}
continue;
}
if (schemaLocations[ruri] == null) { // Only if location already not processed
object obj = null;
try {
obj = GetSchemaEntity(ruri);
}
catch(Exception eInner) {
innerException = eInner;
obj = null;
}
if (obj != null) {
include.BaseUri = ruri;
Type returnType = obj.GetType();
if (typeof(XmlSchema).IsAssignableFrom(returnType)) { //To handle XmlSchema and all its derived types
include.Schema = (XmlSchema)obj;
schemaLocations.Add(ruri, include.Schema);
LoadExternals(include.Schema);
}
else {
XmlReader reader = null;
if (returnType.IsSubclassOf(typeof(Stream)) ) {
readerSettings.CloseInput = true;
readerSettings.XmlResolver = xmlResolver;
reader = XmlReader.Create((Stream)obj, readerSettings, ruri.ToString() );
}
else if (returnType.IsSubclassOf(typeof(XmlReader)) ) {
reader = (XmlReader)obj;
}
else if (returnType.IsSubclassOf(typeof(TextReader))) {
readerSettings.CloseInput = true;
readerSettings.XmlResolver = xmlResolver;
reader = XmlReader.Create((TextReader)obj, readerSettings, ruri.ToString() );
}
if (reader == null) {
SendValidationEvent(Res.Sch_InvalidIncludeLocation, include, XmlSeverityType.Warning);
continue;
}
try {
Parser parser = new Parser(SchemaType.XSD, NameTable, SchemaNames, EventHandler);
parser.Parse(reader, null);
while(reader.Read());// wellformness check
includedSchema = parser.XmlSchema;
include.Schema = includedSchema;
schemaLocations.Add(ruri, includedSchema);
LoadExternals(includedSchema);
}
catch(XmlSchemaException e) {
SendValidationEvent(Res.Sch_CannotLoadSchemaLocation, schemaLocation, e.Message, e.SourceUri, e.LineNumber, e.LinePosition);
}
catch(Exception eInner) {
SendValidationEvent(new XmlSchemaException(Res.Sch_InvalidIncludeLocation, null, eInner, include.SourceUri, include.LineNumber, include.LinePosition, include), XmlSeverityType.Warning);
}
finally {
reader.Close();
}
}
}
else {
SendValidationEvent(new XmlSchemaException(Res.Sch_InvalidIncludeLocation, null, innerException, include.SourceUri, include.LineNumber, include.LinePosition, include), XmlSeverityType.Warning);
}
}
else { //Location already in table and now seeing duplicate import / include
include.Schema = (XmlSchema)schemaLocations[ruri]; //Set schema object even for duplicates
}
}
}
private void ProcessElementEvent()
{
if ((this.processInlineSchema && this.IsXSDRoot(this.coreReader.LocalName, this.coreReader.NamespaceURI)) && (this.coreReader.Depth > 0))
{
this.xmlSchemaInfo.Clear();
this.attributeCount = this.coreReaderAttributeCount = this.coreReader.AttributeCount;
if (!this.coreReader.IsEmptyElement)
{
this.inlineSchemaParser = new System.Xml.Schema.Parser(SchemaType.XSD, this.coreReaderNameTable, this.validator.SchemaSet.GetSchemaNames(this.coreReaderNameTable), this.validationEvent);
this.inlineSchemaParser.StartParsing(this.coreReader, null);
this.inlineSchemaParser.ParseReaderNode();
this.validationState = ValidatingReaderState.ParseInlineSchema;
}
else
{
this.validationState = ValidatingReaderState.ClearAttributes;
}
}
else
{
this.atomicValue = null;
this.originalAtomicValueString = null;
this.xmlSchemaInfo.Clear();
if (this.manageNamespaces)
{
this.nsManager.PushScope();
}
string xsiSchemaLocation = null;
string xsiNoNamespaceSchemaLocation = null;
string xsiNil = null;
string xsiType = null;
if (this.coreReader.MoveToFirstAttribute())
{
do
{
string namespaceURI = this.coreReader.NamespaceURI;
string localName = this.coreReader.LocalName;
if (Ref.Equal(namespaceURI, this.NsXsi))
{
if (Ref.Equal(localName, this.XsiSchemaLocation))
{
xsiSchemaLocation = this.coreReader.Value;
}
else if (Ref.Equal(localName, this.XsiNoNamespaceSchemaLocation))
{
xsiNoNamespaceSchemaLocation = this.coreReader.Value;
}
else if (Ref.Equal(localName, this.XsiType))
{
xsiType = this.coreReader.Value;
}
else if (Ref.Equal(localName, this.XsiNil))
{
xsiNil = this.coreReader.Value;
}
}
if (this.manageNamespaces && Ref.Equal(this.coreReader.NamespaceURI, this.NsXmlNs))
{
this.nsManager.AddNamespace((this.coreReader.Prefix.Length == 0) ? string.Empty : this.coreReader.LocalName, this.coreReader.Value);
}
}
while (this.coreReader.MoveToNextAttribute());
this.coreReader.MoveToElement();
}
this.validator.ValidateElement(this.coreReader.LocalName, this.coreReader.NamespaceURI, this.xmlSchemaInfo, xsiType, xsiNil, xsiSchemaLocation, xsiNoNamespaceSchemaLocation);
this.ValidateAttributes();
this.validator.ValidateEndOfAttributes(this.xmlSchemaInfo);
if (this.coreReader.IsEmptyElement)
{
this.ProcessEndElementEvent();
}
this.validationState = ValidatingReaderState.ClearAttributes;
}
}
private void LoadSchemaFromLocation(string uri, string url)
{
XmlReader reader = null;
SchemaInfo schemaInfo = null;
try
{
Uri ruri = this.XmlResolver.ResolveUri(BaseUri, url);
Stream stm = (Stream)this.XmlResolver.GetEntity(ruri, null, null);
reader = new XmlTextReader(ruri.ToString(), stm, NameTable);
//XmlSchema schema = SchemaCollection.Add(uri, reader, this.XmlResolver);
Parser parser = new Parser(SchemaType.XSD, NameTable, SchemaNames, EventHandler);
parser.XmlResolver = this.XmlResolver;
SchemaType schemaType = parser.Parse(reader, uri);
schemaInfo = new SchemaInfo();
schemaInfo.SchemaType = schemaType;
if (schemaType == SchemaType.XSD)
{
if (SchemaCollection.EventHandler == null)
{
SchemaCollection.EventHandler = this.EventHandler;
}
SchemaCollection.Add(uri, schemaInfo, parser.XmlSchema, true);
}
//Add to validator's SchemaInfo
SchemaInfo.Add(schemaInfo, EventHandler);
while (reader.Read()) ;// wellformness check
}
catch (XmlSchemaException e)
{
schemaInfo = null;
SendValidationEvent(SR.Sch_CannotLoadSchema, new string[] { uri, e.Message }, XmlSeverityType.Error);
}
catch (Exception e)
{
schemaInfo = null;
SendValidationEvent(SR.Sch_CannotLoadSchema, new string[] { uri, e.Message }, XmlSeverityType.Warning);
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
private void ValidateElement()
{
elementName.Init(reader.LocalName, reader.NamespaceURI);
object particle = ValidateChildElement();
if (IsXSDRoot(elementName.Name, elementName.Namespace) && reader.Depth > 0)
{
_inlineSchemaParser = new Parser(SchemaType.XSD, NameTable, SchemaNames, EventHandler);
_inlineSchemaParser.StartParsing(reader, null);
ProcessInlineSchema();
}
else
{
ProcessElement(particle);
}
}
private void ProcessInlineSchema()
{
if (!_inlineSchemaParser.ParseReaderNode())
{ // Done
_inlineSchemaParser.FinishParsing();
XmlSchema schema = _inlineSchemaParser.XmlSchema;
string inlineNS = null;
if (schema != null && schema.ErrorCount == 0)
{
try
{
SchemaInfo inlineSchemaInfo = new SchemaInfo();
inlineSchemaInfo.SchemaType = SchemaType.XSD;
inlineNS = schema.TargetNamespace == null ? string.Empty : schema.TargetNamespace;
if (!SchemaInfo.TargetNamespaces.ContainsKey(inlineNS))
{
if (SchemaCollection.Add(inlineNS, inlineSchemaInfo, schema, true) != null)
{ //If no errors on compile
//Add to validator's SchemaInfo
SchemaInfo.Add(inlineSchemaInfo, EventHandler);
}
}
}
catch (XmlSchemaException e)
{
SendValidationEvent(SR.Sch_CannotLoadSchema, new string[] { BaseUri.AbsoluteUri, e.Message }, XmlSeverityType.Error);
}
}
_inlineSchemaParser = null;
}
}
/// <include file='doc\XmlSchema.uex' path='docs/doc[@for="XmlSchema.Read2"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
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;
}
/// <include file='doc\XmlSchemaCollection.uex' path='docs/doc[@for="XmlSchemaCollection.Add1"]/*' />
/// <devdoc>
/// <para>Add the given schema into the schema collection.
/// If the given schema references other namespaces, the schemas for those
/// other namespaces are NOT automatically loaded.</para>
/// </devdoc>
public XmlSchema Add(String ns, XmlReader reader, XmlResolver resolver) {
if (reader == null)
throw new ArgumentNullException("reader");
XmlNameTable readerNameTable = reader.NameTable;
SchemaInfo schemaInfo = new SchemaInfo();
Parser parser = new Parser(SchemaType.None, readerNameTable, GetSchemaNames(readerNameTable), validationEventHandler);
parser.XmlResolver = resolver;
SchemaType schemaType;
try {
schemaType = parser.Parse(reader, ns);
}
catch (XmlSchemaException e) {
SendValidationEvent(e);
return null;
}
if (schemaType == SchemaType.XSD) {
schemaInfo.SchemaType = SchemaType.XSD;
return Add(ns, schemaInfo, parser.XmlSchema, true, resolver);
}
else {
SchemaInfo xdrSchema = parser.XdrSchema;
return Add(ns, parser.XdrSchema, null, true, resolver);
}
}
private void ProcessInlineSchema()
{
if (this.coreReader.Read())
{
if (this.coreReader.NodeType == XmlNodeType.Element)
{
this.attributeCount = this.coreReaderAttributeCount = this.coreReader.AttributeCount;
}
else
{
this.ClearAttributesInfo();
}
if (!this.inlineSchemaParser.ParseReaderNode())
{
this.inlineSchemaParser.FinishParsing();
XmlSchema xmlSchema = this.inlineSchemaParser.XmlSchema;
this.validator.AddSchema(xmlSchema);
this.inlineSchemaParser = null;
this.validationState = ValidatingReaderState.Read;
}
}
}
private XsdDateTime(Parser parser) : this() {
InitiateXsdDateTime(parser);
}
internal XmlSchema ParseSchema(string targetNamespace, XmlReader reader) {
XmlNameTable readerNameTable = reader.NameTable;
SchemaNames schemaNames = GetSchemaNames(readerNameTable);
Parser parser = new Parser(SchemaType.XSD, readerNameTable, schemaNames, eventHandler);
parser.XmlResolver = readerSettings.GetXmlResolver();
SchemaType schemaType;
try {
schemaType = parser.Parse(reader, targetNamespace);
}
catch(XmlSchemaException e) {
SendValidationEvent(e, XmlSeverityType.Error);
return null;
}
return parser.XmlSchema;
}
private void ProcessElementEvent() {
if (this.processInlineSchema && IsXSDRoot(coreReader.LocalName, coreReader.NamespaceURI) && coreReader.Depth > 0) {
xmlSchemaInfo.Clear();
attributeCount = coreReaderAttributeCount = coreReader.AttributeCount;
if (!coreReader.IsEmptyElement) { //If its not empty schema, then parse else ignore
inlineSchemaParser = new Parser(SchemaType.XSD, coreReaderNameTable, validator.SchemaSet.GetSchemaNames(coreReaderNameTable), validationEvent);
inlineSchemaParser.StartParsing(coreReader, null);
inlineSchemaParser.ParseReaderNode();
validationState = ValidatingReaderState.ParseInlineSchema;
}
else {
validationState = ValidatingReaderState.ClearAttributes;
}
}
else { //Validate element
//Clear previous data
atomicValue = null;
originalAtomicValueString = null;
xmlSchemaInfo.Clear();
if (manageNamespaces) {
nsManager.PushScope();
}
//Find Xsi attributes that need to be processed before validating the element
string xsiSchemaLocation = null;
string xsiNoNamespaceSL = null;
string xsiNil = null;
string xsiType = null;
if (coreReader.MoveToFirstAttribute()) {
do {
string objectNs = coreReader.NamespaceURI;
string objectName = coreReader.LocalName;
if (Ref.Equal(objectNs, NsXsi)) {
if (Ref.Equal(objectName, XsiSchemaLocation)) {
xsiSchemaLocation = coreReader.Value;
}
else if (Ref.Equal(objectName, XsiNoNamespaceSchemaLocation)) {
xsiNoNamespaceSL = coreReader.Value;
}
else if (Ref.Equal(objectName, XsiType)) {
xsiType = coreReader.Value;
}
else if (Ref.Equal(objectName, XsiNil)) {
xsiNil = coreReader.Value;
}
}
if (manageNamespaces && Ref.Equal(coreReader.NamespaceURI, NsXmlNs)) {
nsManager.AddNamespace(coreReader.Prefix.Length == 0 ? string.Empty : coreReader.LocalName, coreReader.Value);
}
} while (coreReader.MoveToNextAttribute());
coreReader.MoveToElement();
}
validator.ValidateElement(coreReader.LocalName, coreReader.NamespaceURI, xmlSchemaInfo, xsiType, xsiNil, xsiSchemaLocation, xsiNoNamespaceSL);
ValidateAttributes();
validator.ValidateEndOfAttributes(xmlSchemaInfo);
if (coreReader.IsEmptyElement) {
ProcessEndElementEvent();
}
validationState = ValidatingReaderState.ClearAttributes;
}
}
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(Res.Sch_CannotLoadSchema, new string[] {schemaLocation, e.Message}, e.SourceUri, e.LineNumber, e.LinePosition), XmlSeverityType.Error);
}
catch(Exception) {
SendValidationEvent(Res.Sch_InvalidIncludeLocation, include, XmlSeverityType.Warning);
}
finally {
reader.Close();
}
}
else {
SendValidationEvent(Res.Sch_InvalidIncludeLocation, include, XmlSeverityType.Warning);
}
}
}
schema.IsProcessing = false;
}
/// <summary>
/// Constructs an XsdDateTime from a string using specific format.
/// </summary>
public XsdDateTime(string text, XsdDateTimeFlags kinds) : this()
{
Parser parser = new Parser();
if (!parser.Parse(text, kinds))
{
throw new FormatException(SR.Format(SR.XmlConvert_BadFormat, text, kinds));
}
InitiateXsdDateTime(parser);
}
internal void Validate() {
if (inlineSchemaParser != null) {
if (!inlineSchemaParser.ParseReaderNode()) { // Done
XmlSchema schema = inlineSchemaParser.FinishParsing();
bool add = true;
if (schema != null) {
inlineNs = schema.TargetNamespace == null ? string.Empty : schema.TargetNamespace;
if (!SchemaInfo.HasSchema(inlineNs) && schema.ErrorCount == 0) {
schema.Compile(schemaCollection, nameTable, schemaNames, validationEventHandler, null, inlineSchemaInfo, true);
add = schema.ErrorCount == 0;
}
else {
add = false;
}
}
else {
inlineNs = inlineSchemaInfo.CurrentSchemaNamespace;
add = !SchemaInfo.HasSchema(inlineNs);
}
if (add) {
SchemaInfo.Add(inlineNs, inlineSchemaInfo, validationEventHandler);
schemaCollection.Add(inlineNs, inlineSchemaInfo, schema, false);
}
inlineSchemaParser = null;
inlineSchemaInfo = null;
inlineNs = null;
}
}
else {
this.name = QualifiedName(reader.Prefix, reader.LocalName, reader.NamespaceURI);
if (HasSchema) {
if (context != null) {
while (context != null && reader.Depth <= context.Depth) {
EndChildren();
}
ValidateElementContent(reader.NodeType);
}
if (reader.Depth == 0 && reader.NodeType == XmlNodeType.Element && SchemaInfo.SchemaType == SchemaType.DTD) {
if (!SchemaInfo.DocTypeName.Equals(this.name)) {
SendValidationEvent(Res.Sch_RootMatchDocType);
}
}
}
if (reader.NodeType == XmlNodeType.Element) {
if (schemaNames.IsSchemaRoot(this.name) &&
!SkipProcess(this.name == schemaNames.QnXsdSchema ? SchemaType.XSD : SchemaType.XDR) &&
IsCorrectSchemaType(this.name == schemaNames.QnXsdSchema ? SchemaType.XSD : SchemaType.XDR)) {
inlineSchemaInfo = new SchemaInfo(schemaNames);
inlineSchemaParser = new Parser(schemaCollection, nameTable, schemaNames, validationEventHandler);
inlineSchemaParser.StartParsing(reader, null, inlineSchemaInfo);
inlineSchemaParser.ParseReaderNode();
}
else {
ProcessElement();
}
}
}
}
// SxS: This function calls ValidateElement on XmlSchemaValidator which is annotated with ResourceExposure attribute.
// Since the resource names (namespace location) are not provided directly by the user (they are read from the source
// document) and the function does not expose any resources it is fine to suppress the SxS warning.
private async Task ProcessElementEventAsync()
{
if (_processInlineSchema && IsXSDRoot(_coreReader.LocalName, _coreReader.NamespaceURI) && _coreReader.Depth > 0)
{
_xmlSchemaInfo.Clear();
_attributeCount = _coreReaderAttributeCount = _coreReader.AttributeCount;
if (!_coreReader.IsEmptyElement)
{ //If its not empty schema, then parse else ignore
_inlineSchemaParser = new Parser(SchemaType.XSD, _coreReaderNameTable, _validator.SchemaSet.GetSchemaNames(_coreReaderNameTable), _validationEvent);
await _inlineSchemaParser.StartParsingAsync(_coreReader, null).ConfigureAwait(false);
_inlineSchemaParser.ParseReaderNode();
_validationState = ValidatingReaderState.ParseInlineSchema;
}
else
{
_validationState = ValidatingReaderState.ClearAttributes;
}
}
else
{ //Validate element
//Clear previous data
_atomicValue = null;
_originalAtomicValueString = null;
_xmlSchemaInfo.Clear();
if (_manageNamespaces)
{
_nsManager.PushScope();
}
//Find Xsi attributes that need to be processed before validating the element
string xsiSchemaLocation = null;
string xsiNoNamespaceSL = null;
string xsiNil = null;
string xsiType = null;
if (_coreReader.MoveToFirstAttribute())
{
do
{
string objectNs = _coreReader.NamespaceURI;
string objectName = _coreReader.LocalName;
if (Ref.Equal(objectNs, _nsXsi))
{
if (Ref.Equal(objectName, _xsiSchemaLocation))
{
xsiSchemaLocation = _coreReader.Value;
}
else if (Ref.Equal(objectName, _xsiNoNamespaceSchemaLocation))
{
xsiNoNamespaceSL = _coreReader.Value;
}
else if (Ref.Equal(objectName, _xsiType))
{
xsiType = _coreReader.Value;
}
else if (Ref.Equal(objectName, _xsiNil))
{
xsiNil = _coreReader.Value;
}
}
if (_manageNamespaces && Ref.Equal(_coreReader.NamespaceURI, _nsXmlNs))
{
_nsManager.AddNamespace(_coreReader.Prefix.Length == 0 ? string.Empty : _coreReader.LocalName, _coreReader.Value);
}
} while (_coreReader.MoveToNextAttribute());
_coreReader.MoveToElement();
}
_validator.ValidateElement(_coreReader.LocalName, _coreReader.NamespaceURI, _xmlSchemaInfo, xsiType, xsiNil, xsiSchemaLocation, xsiNoNamespaceSL);
ValidateAttributes();
_validator.ValidateEndOfAttributes(_xmlSchemaInfo);
if (_coreReader.IsEmptyElement)
{
await ProcessEndElementEventAsync().ConfigureAwait(false);
}
_validationState = ValidatingReaderState.ClearAttributes;
}
}
private bool LoadSchema(string uri, string url) {
bool expectXdr = false;
uri = nameTable.Add(uri);
if (SchemaInfo.HasSchema(uri)) {
return false;
}
SchemaInfo schemaInfo = null;
if (schemaCollection != null)
schemaInfo = schemaCollection.GetSchemaInfo(uri);
if (schemaInfo != null) {
/*
if (SkipProcess(schemaInfo.SchemaType))
return false;
*/
if (!IsCorrectSchemaType(schemaInfo.SchemaType)) {
throw new XmlException(Res.Xml_MultipleValidaitonTypes, string.Empty, this.positionInfo.LineNumber, this.positionInfo.LinePosition);
}
SchemaInfo.Add(uri, schemaInfo, validationEventHandler);
return true;
}
if (this.xmlResolver == null)
return false;
if (url == null && IsXdrSchema(uri)) {
/*
*/
if (ValidationFlag != ValidationType.XDR && ValidationFlag != ValidationType.Auto) {
return false;
}
url = uri.Substring(x_schema.Length);
expectXdr = true;
}
if (url == null) {
return false;
}
XmlSchema schema = null;
XmlReader reader = null;
try {
Uri ruri = this.xmlResolver.ResolveUri(baseUri, url);
Stream stm = (Stream)this.xmlResolver.GetEntity(ruri,null,null);
reader = new XmlTextReader(ruri.ToString(), stm, nameTable);
schemaInfo = new SchemaInfo(schemaNames);
Parser sparser = new Parser(schemaCollection, nameTable, schemaNames, validationEventHandler);
schema = sparser.Parse(reader, uri, schemaInfo);
while(reader.Read());// wellformness check
}
catch(XmlSchemaException e) {
SendValidationEvent(Res.Sch_CannotLoadSchema, new string[] {uri, e.Message}, XmlSeverityType.Error);
schemaInfo = null;
}
catch(Exception e) {
SendValidationEvent(Res.Sch_CannotLoadSchema, new string[] {uri, e.Message}, XmlSeverityType.Warning);
schemaInfo = null;
}
finally {
if (reader != null) {
reader.Close();
}
}
if (schemaInfo != null) {
int errorCount = 0;
if (schema != null) {
if (expectXdr) {
throw new XmlException(Res.Sch_XSCHEMA, string.Empty, this.positionInfo.LineNumber, this.positionInfo.LinePosition);
}
if (schema.ErrorCount == 0) {
schema.Compile(schemaCollection, nameTable, schemaNames, validationEventHandler, uri, schemaInfo, true);
}
errorCount += schema.ErrorCount;
}
else {
errorCount += schemaInfo.ErrorCount;
}
if (errorCount == 0) {
if (SkipProcess(schemaInfo.SchemaType))
return false;
if (!IsCorrectSchemaType(schemaInfo.SchemaType)) {
throw new XmlException(Res.Xml_MultipleValidaitonTypes, string.Empty, this.positionInfo.LineNumber, this.positionInfo.LinePosition);
}
SchemaInfo.Add(uri, schemaInfo, validationEventHandler);
schemaCollection.Add(uri, schemaInfo, schema, false);
return true;
}
}
return false;
}