protected bool IsValidXmlDocument(string documentText)
{
var failed = false;
var svec = new SchemaValidationErrorCollector();
try
{
var settings = new XmlReaderSettings {
Schemas = SchemaSet, ValidationType = ValidationType.Schema
};
settings.ValidationFlags |= XmlSchemaValidationFlags.ReportValidationWarnings;
settings.ValidationEventHandler += svec.ValidationCallBack;
using (var reader = XmlReader.Create(new StringReader(documentText), settings))
{
while (reader.Read())
{
}
}
}
catch (Exception)
{
failed = true;
}
return(svec.ErrorCount <= 0 && failed == false);
}
/// <summary>
/// Builds the XmlSchemaSet to use for Escher document validation. This retrieves Xml Schemas that are embedded as resources
/// in EntityFramework.dll & Microsoft.Data.Entity.Design.dll. We use these schemas instead of those installed with VS because
/// we know that these schemas will not have been altered by users.
/// </summary>
private static XmlSchemaSet BuildEdmxSchemaSet()
{
var xmlSchemaSet = new XmlSchemaSet();
var validationErrorCollector = new SchemaValidationErrorCollector();
xmlSchemaSet.ValidationEventHandler += validationErrorCollector.ValidationCallBack;
xmlSchemaSet.XmlResolver = new EdmRuntimeSchemaResolver();
xmlSchemaSet.Add(
SchemaManager.GetEDMXNamespaceName(EntityFrameworkVersion.Version1),
EdmxUtils.GetEDMXXsdResource(EntityFrameworkVersion.Version1));
xmlSchemaSet.Add(
SchemaManager.GetEDMXNamespaceName(EntityFrameworkVersion.Version2),
EdmxUtils.GetEDMXXsdResource(EntityFrameworkVersion.Version2));
xmlSchemaSet.Add(
SchemaManager.GetEDMXNamespaceName(EntityFrameworkVersion.Version3),
EdmxUtils.GetEDMXXsdResource(EntityFrameworkVersion.Version3));
xmlSchemaSet.Compile();
return(xmlSchemaSet);
}
internal override bool IsXmlValid()
{
// If there is a VSXmlModelProvider, we should be able to find a docdata for it.
// In any other case, it doesn't matter whether there is document data or not.
var docData = VSHelpers.GetDocData(PackageManager.Package, Uri.LocalPath);
Debug.Assert(
!(XmlModelProvider is VSXmlModelProvider) || docData != null, "Using a VSXmlModelProvider but docData is null for Artifact!");
try
{
XmlDocument xmldoc;
if (docData != null)
{
var textLines = VSHelpers.GetVsTextLinesFromDocData(docData);
Debug.Assert(textLines != null, "Failed to get IVSTextLines from docdata");
xmldoc = EdmUtils.SafeLoadXmlFromString(VSHelpers.GetTextFromVsTextLines(textLines));
}
else
{
// If there is no docdata then attempt to create the XmlDocument from the internal
// XLinq tree in the artifact
xmldoc = new XmlDocument();
xmldoc.Load(XDocument.CreateReader());
}
// For the most part, the Edmx schema version of an artifact should be in sync with the schema version
// that is compatible with the project's target framework; except when the user adds an existing edmx to a project (the version could be different).
// For all cases, we always want to validate using the XSD's version that matches the artifact's version.
var documentSchemaVersion = base.SchemaVersion;
Debug.Assert(
EntityFrameworkVersion.IsValidVersion(documentSchemaVersion),
"The EF Schema Version is not valid. Value:"
+ (documentSchemaVersion != null ? documentSchemaVersion.ToString() : "null"));
// does the XML parse? If not, the load call below will throw
if (EntityFrameworkVersion.IsValidVersion(documentSchemaVersion))
{
var nsMgr = SchemaManager.GetEdmxNamespaceManager(xmldoc.NameTable, documentSchemaVersion);
// Do XSD validation on the document.
xmldoc.Schemas = EscherAttributeContentValidator.GetInstance(documentSchemaVersion).EdmxSchemaSet;
var svec = new SchemaValidationErrorCollector();
// remove runtime specific lines
// find the ConceptualModel Schema node
RemoveRunTimeNode(xmldoc, "/edmx:Edmx/edmx:Configurations", nsMgr);
RemoveRunTimeNode(xmldoc, "/edmx:Edmx/edmx:Runtime/edmx:ConceptualModels", nsMgr);
RemoveRunTimeNode(xmldoc, "/edmx:Edmx/edmx:Runtime/edmx:StorageModels", nsMgr);
RemoveRunTimeNode(xmldoc, "/edmx:Edmx/edmx:Runtime/edmx:Mappings", nsMgr);
xmldoc.Validate(svec.ValidationCallBack);
return(svec.ErrorCount == 0);
}
}
catch
{
}
return(false);
}
/// <summary>
/// Builds the XmlSchemaSet to use for Escher document validation. This retrieves Xml Schemas that are embedded as resources
/// in EntityFramework.dll & Microsoft.Data.Entity.Design.dll. We use these schemas instead of those installed with VS because
/// we know that these schemas will not have been altered by users.
/// </summary>
private static XmlSchemaSet BuildEdmxSchemaSet()
{
var xmlSchemaSet = new XmlSchemaSet();
var validationErrorCollector = new SchemaValidationErrorCollector();
xmlSchemaSet.ValidationEventHandler += validationErrorCollector.ValidationCallBack;
xmlSchemaSet.XmlResolver = new EdmRuntimeSchemaResolver();
xmlSchemaSet.Add(
SchemaManager.GetEDMXNamespaceName(EntityFrameworkVersion.Version1),
EdmxUtils.GetEDMXXsdResource(EntityFrameworkVersion.Version1));
xmlSchemaSet.Add(
SchemaManager.GetEDMXNamespaceName(EntityFrameworkVersion.Version2),
EdmxUtils.GetEDMXXsdResource(EntityFrameworkVersion.Version2));
xmlSchemaSet.Add(
SchemaManager.GetEDMXNamespaceName(EntityFrameworkVersion.Version3),
EdmxUtils.GetEDMXXsdResource(EntityFrameworkVersion.Version3));
xmlSchemaSet.Compile();
return xmlSchemaSet;
}
protected bool IsValidXmlDocument(string documentText)
{
var failed = false;
var svec = new SchemaValidationErrorCollector();
try
{
var settings = new XmlReaderSettings { Schemas = SchemaSet, ValidationType = ValidationType.Schema };
settings.ValidationFlags |= XmlSchemaValidationFlags.ReportValidationWarnings;
settings.ValidationEventHandler += svec.ValidationCallBack;
using (var reader = XmlReader.Create(new StringReader(documentText), settings))
{
while (reader.Read())
{
}
}
}
catch (Exception)
{
failed = true;
}
return svec.ErrorCount <= 0 && failed == false;
}
