/// <summary>
/// Validate compatibility rule attributes - Ignorable, ProcessContent, PreserveElements, PreserveAttributes, MustUnderstand.
/// </summary>
/// <param name="validationContext">The validation context.</param>
internal static void ValidateMcAttributes(ValidationContext validationContext)
{
var element = validationContext.Element;
if (element.MCAttributes == null)
{
return;
}
HashSet <string> ignorableNamespaces = null;
ValidationErrorInfo errorInfo;
if (element.MCAttributes != null)
{
// validate Ignorable attribute
if (!string.IsNullOrEmpty(element.MCAttributes.Ignorable))
{
ignorableNamespaces = new HashSet <string>();
// rule: the prefix must already be defined.
var prefixes = new ListValue <StringValue>();
prefixes.InnerText = element.MCAttributes.Ignorable;
foreach (var prefix in prefixes.Items)
{
var ignorableNamespace = element.LookupNamespace(prefix);
if (string.IsNullOrEmpty(ignorableNamespace))
{
// error, the prefix is not defined.
errorInfo = validationContext.ComposeMcValidationError(element, "MC_InvalidIgnorableAttribute", element.MCAttributes.Ignorable);
validationContext.EmitError(errorInfo);
}
else
{
ignorableNamespaces.Add(ignorableNamespace);
}
}
}
// validate PreserveAttributes attribute
if (!string.IsNullOrEmpty(element.MCAttributes.PreserveAttributes))
{
// The ProcessAttributes attribute value shall not reference any attribute name that does not belong to a namespace
// that is identified by the Ignorable attribute of the same element.
if (ignorableNamespaces == null)
{
// must have Ignorable on same element.
errorInfo = validationContext.ComposeMcValidationError(element, "MC_InvalidPreserveAttributesAttribute", element.MCAttributes.PreserveAttributes);
validationContext.EmitError(errorInfo);
}
else
{
string errorQName = ValidateQNameList(element.MCAttributes.PreserveAttributes, ignorableNamespaces, validationContext);
if (!string.IsNullOrEmpty(errorQName))
{
errorInfo = validationContext.ComposeMcValidationError(element, "MC_InvalidPreserveAttributesAttribute", element.MCAttributes.PreserveAttributes);
validationContext.EmitError(errorInfo);
}
}
}
// validate PreserveElements attribute
if (!string.IsNullOrEmpty(element.MCAttributes.PreserveElements))
{
// The ProcessAttributes attribute value shall not reference any attribute name that does not belong to a namespace
// that is identified by the Ignorable attribute of the same element.
if (ignorableNamespaces == null)
{
// must have Ignorable on same element.
errorInfo = validationContext.ComposeMcValidationError(element, "MC_InvalidPreserveElementsAttribute", element.MCAttributes.PreserveElements);
validationContext.EmitError(errorInfo);
}
else
{
string errorQName = ValidateQNameList(element.MCAttributes.PreserveElements, ignorableNamespaces, validationContext);
if (!string.IsNullOrEmpty(errorQName))
{
errorInfo = validationContext.ComposeMcValidationError(element, "MC_InvalidPreserveElementsAttribute", element.MCAttributes.PreserveElements);
validationContext.EmitError(errorInfo);
}
}
}
// validate ProcessContent attribute
if (!string.IsNullOrEmpty(element.MCAttributes.ProcessContent))
{
// The ProcessAttributes attribute value shall not reference any attribute name that does not belong to a namespace
// that is identified by the Ignorable attribute of the same element.
if (ignorableNamespaces == null)
{
// must have Ignorable on same element.
errorInfo = validationContext.ComposeMcValidationError(element, "MC_InvalidProcessContentAttribute", element.MCAttributes.ProcessContent);
validationContext.EmitError(errorInfo);
}
else
{
string errorQName = ValidateQNameList(element.MCAttributes.ProcessContent, ignorableNamespaces, validationContext);
if (!string.IsNullOrEmpty(errorQName))
{
errorInfo = validationContext.ComposeMcValidationError(element, "MC_InvalidProcessContentAttribute", element.MCAttributes.ProcessContent);
validationContext.EmitError(errorInfo);
}
}
foreach (var exAttribute in element.ExtendedAttributes)
{
// Markup consumers that encounter a non-ignored element that has an xml:lang or xml:space attribute and is also identified by a ProcessContent attribute value might generate an error.
if (AlternateContentValidator.IsXmlSpaceOrXmlLangAttribue(exAttribute))
{
// report error.
errorInfo = validationContext.ComposeMcValidationError(element, "MC_InvalidXmlAttributeWithProcessContent");
validationContext.EmitError(errorInfo);
}
}
}
if (!string.IsNullOrEmpty(element.MCAttributes.MustUnderstand))
{
// TODO: MustUnderstand
// A markup consumer that does not understand these identified namespaces shall not continue to process the markup document
// rule: the prefix must already be defined.
var prefixes = new ListValue <StringValue>();
prefixes.InnerText = element.MCAttributes.MustUnderstand;
foreach (var prefix in prefixes.Items)
{
var mustunderstandNamespace = element.LookupNamespace(prefix);
if (string.IsNullOrEmpty(mustunderstandNamespace))
{
// report error, the prefix is not defined.
errorInfo = validationContext.ComposeMcValidationError(element, "MC_InvalidMustUnderstandAttribute", element.MCAttributes.MustUnderstand);
validationContext.EmitError(errorInfo);
}
}
}
}
}
/// <summary>
/// Only validation whether the children elements are valid according to this type's constraint defined in schema.
/// </summary>
/// <param name="validationContext">The validation context.</param>
internal void Validate(ValidationContext validationContext)
{
Debug.Assert(validationContext != null);
Debug.Assert(validationContext.Element != null);
OpenXmlElement theElement = validationContext.Element;
Debug.Assert(!(theElement is OpenXmlUnknownElement));
Debug.Assert(!(theElement is OpenXmlMiscNode));
if (theElement.ElementTypeId < ReservedElementTypeIds.MaxReservedId)
{
// MiscElement, UnknownElement,
// AlternateContent, AlternateContentChoice, AlternateContentFallback
if (theElement.ElementTypeId == ReservedElementTypeIds.AlternateContentId)
{
AlternateContentValidator.Validate(validationContext);
}
Debug.Assert(!(theElement is AlternateContentChoice));
Debug.Assert(!(theElement is AlternateContentFallback));
return;
}
// validte Inorable, ProcessContent, etc. compatibility-rule attributes
CompatibilityRuleAttributesValidator.ValidateMcAttributes(validationContext);
SchemaTypeData schemaTypeData = this._sdbSchemaDatas.GetSchemaTypeData(theElement);
ValidateAttributes(validationContext, schemaTypeData);
// validate particles
if (theElement is OpenXmlLeafTextElement)
{
SimpleContentComplexTypeValidator.Validate(validationContext, schemaTypeData.SimpleTypeConstraint);
}
else if (theElement is OpenXmlLeafElement)
{
EmptyComplexTypeValidator.Validate(validationContext);
}
else
{
Debug.Assert(theElement is OpenXmlCompositeElement);
Debug.Assert(!(theElement is AlternateContentChoice));
Debug.Assert(!(theElement is AlternateContentFallback));
if (schemaTypeData.ParticleConstraint != null)
{
// composite element
CompositeComplexTypeValidator.Validate(validationContext, schemaTypeData.ParticleConstraint);
}
else
{
// special case, see O14 bug #662644
// A root element which does not allow any children.
Debug.Assert(theElement is OpenXmlPartRootElement);
EmptyRootComplexTypeValidator.Validate(validationContext);
}
}
}