/// <summary>
/// validates xml file against embedded schema file
/// </summary>
/// <param name="filename"></param>
private void ValidateSchema(String filename)
{
try {
ResourceManager rm = new ResourceManager();
ValidationEventHandler veh = new ValidationEventHandler(SchemaValidationEventHandler);
XmlSchema xsd = XmlSchema.Read(rm.ConfigSchema, veh);
XmlTextReader xml = XIncludeReader.GetXmlTextReader(filename);
XmlValidatingReader vr = new XmlValidatingReader(xml);
vr.Schemas.Add(xsd);
vr.ValidationType = ValidationType.Schema;
// and validation errors events go to...
vr.ValidationEventHandler += veh;
// wait until the read is over, its occuring in a different thread - kinda like
// when your walking to get a cup of coffee and your mind is in Hawaii
while (vr.Read())
{
;
}
vr.Close();
}
catch (UnauthorizedAccessException ex) {
//dont have access permission
isValid = false;
WriteToLog(ParserValidationArgs.NewError(ex.Message).ToString());
}
catch (Exception ex) {
//and other things that could go wrong
isValid = false;
WriteToLog(ParserValidationArgs.NewError(ex.Message).ToString());
}
}
/// <summary>
/// Event handler for parser validation events
/// </summary>
/// <param name="args"></param>
protected void ParserValidationEventHandler(ParserValidationArgs args)
{
if (args.Severity.Equals(ParserValidationSeverity.ERROR))
{
isValid = false;
}
WriteToLog(args.ToString());
}
/// <summary>
/// handle XML validation errors
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
internal void SchemaValidationEventHandler(object sender, ValidationEventArgs args)
{
if (args.Severity.Equals(XmlSeverityType.Error))
{
isValid = false;
WriteToLog(ParserValidationArgs.NewError(args.Message).ToString());
}
else
{
WriteToLog(ParserValidationArgs.NewWarning(args.Message).ToString());
}
}
/// <summary>
/// validates xml file against embedded schema file
/// </summary>
/// <param name="filename"></param>
private void ValidateSchema(String filename)
{
try {
ValidationEventHandler veh = new ValidationEventHandler(SchemaValidationEventHandler);
System.IO.Stream stream = this.GetType().Assembly.GetManifestResourceStream("config.xsd");
if (stream == null)
{
isValid = false;
WriteToLog(ParserValidationArgs.NewError("unable to locate config.xsd as assembly resource").ToString());
}
else
{
XmlSchema schema = XmlSchema.Read(stream, veh);
stream.Close();
XmlReaderSettings settings = new XmlReaderSettings();
settings.ValidationType = ValidationType.Schema;
settings.Schemas.Add(schema);
settings.ValidationEventHandler += veh;
XmlReader reader = XmlReader.Create(filename, settings);
// wait until the read is over, it's occurring in a different thread - kinda like
// when you're walking to get a cup of coffee and your mind is in Hawaii
while (reader.Read())
{
;
}
}
} catch (UnauthorizedAccessException ex) {
//dont have access permission
isValid = false;
WriteToLog(ParserValidationArgs.NewError(ex.Message).ToString());
} catch (Exception ex) {
//and other things that could go wrong
isValid = false;
WriteToLog(ParserValidationArgs.NewError(ex.Message).ToString());
}
}
private void CreateSqlElementAssociations(ParserValidationDelegate vd)
{
// find and assign the foreign entity and EnumElement now that they are parsed
foreach (DatabaseElement database in databases)
{
foreach (SqlEntityElement sqlEntity in database.SqlEntities)
{
foreach (ConstraintElement constraint in sqlEntity.Constraints)
{
if (constraint.ForeignEntity.Name.Length > 0)
{
SqlEntityElement entity = SqlEntityElement.FindByName(DatabaseElement.GetAllSqlEntities(databases), constraint.ForeignEntity.Name);
if (entity != null)
{
constraint.ForeignEntity = (SqlEntityElement)entity.Clone();
}
else
{
vd(ParserValidationArgs.NewError("ForeignEntity (" + constraint.ForeignEntity.Name + ") specified in constraint " + constraint.Name + " could not be found as an defined entity"));
}
}
if (constraint.CheckEnum.Name.Length > 0)
{
EnumElement entity = EnumElement.FindByName(enumtypes as ArrayList, constraint.CheckEnum.Name);
if (entity != null)
{
constraint.CheckEnum = (EnumElement)entity.Clone();
}
else
{
vd(ParserValidationArgs.NewError("CheckEnum (" + constraint.CheckEnum.Name + ") specified in constraint " + constraint.Name + " could not be found as an defined entity"));
}
}
}
}
}
}
private void CreateEntityElementAssociations(ParserValidationDelegate vd)
{
foreach (EntityElement entity in entities)
{
//Fields which are entities.
foreach (PropertyElement property in entity.Fields)
{
if (property.Entity.Name.Length > 0)
{
EntityElement e = EntityElement.FindEntityByName(entities, property.Entity.Name);
if (e != null)
{
property.Entity = e;
}
else
{
vd(ParserValidationArgs.NewError("Property (" + property.Name + ") specifies an entity " + property.Entity.Name + " that could not be found as an defined entity"));
}
}
}
//Dependant entities.
ArrayList dependents = new ArrayList();
foreach (EntityElement dependent in entity.Dependents)
{
EntityElement e = EntityElement.FindEntityByName(entities, dependent.Name);
if (e != null)
{
dependents.Add(e);
}
else
{
vd(ParserValidationArgs.NewError("Entity (" + entity.Name + ") specifies a dependent entity " + dependent.Name + " that could not be found as an defined entity"));
}
}
entity.Dependents = dependents;
}
}
/// <summary>
/// Post-parse validations
/// </summary>
/// <param name="vd"></param>
protected void Validate(ParserValidationDelegate vd)
{
//TODO: walk through collection to make sure that cross relations are correct.
foreach (DatabaseElement database in databases)
{
foreach (SqlEntityElement sqlentity in database.SqlEntities)
{
if (sqlentity.GetPrimaryKeyColumns().Count == 0 && (sqlentity.AllowDelete || sqlentity.AllowInsert || sqlentity.AllowUpdate))
{
vd(ParserValidationArgs.NewWarning("SqlEntity " + sqlentity.Name + " does not have any primary key columns defined."));
}
if (!sqlentity.HasUpdatableColumns() && sqlentity.GenerateUpdateStoredProcScript)
{
vd(ParserValidationArgs.NewWarning("SqlEntity " + sqlentity.Name + " does not have any editable columns and does not have generateupdatestoredprocscript=\"false\" specified."));
}
}
}
// make sure that all columns are represented in entities
foreach (EntityElement entity in entities)
{
if (entity.SqlEntity.Name.Length > 0)
{
foreach (ColumnElement column in entity.SqlEntity.Columns)
{
if (!column.Obsolete && EntityElement.FindAnyFieldByColumnName(entities, column.Name) == null && !entity.HasEntityMappedColumn(column))
{
vd(ParserValidationArgs.NewWarning("could not find property representing column " + column.Name + " in entity " + entity.Name + "."));
}
}
}
foreach (PropertyElement property in entity.Fields)
{
// make sure that obsolete columns are not mapped to properties
if (property.Column.Obsolete && property.Column.Name.Length > 0)
{
vd(ParserValidationArgs.NewWarning("property " + property.Name + " in entity " + entity.Name + " is mapped to column " + property.Column.Name + " which is obsolete."));
}
// have property descriptions "inherit" from a column if they are not populated
if (property.Column.Description.Length > 0 && property.Description.Length == 0)
{
property.Description = property.Column.Description;
}
}
}
// make sure that enum values are unique
foreach (EnumElement enumtype in enumtypes)
{
Hashtable values = new Hashtable();
foreach (EnumValueElement value in enumtype.Values)
{
if (values.Contains(value.Code))
{
vd(ParserValidationArgs.NewError("Enum " + enumtype.Name + " has the code '" + value.Code + "' specified more than once."));
}
else
{
values.Add(value.Code, value.Code);
}
}
}
// find and assign types to collections if available (the TypeElement is needed for templates that need to add namespaces)
foreach (CollectionElement collection in Collections)
{
if (types.Contains(collection.Type.Name))
{
collection.Type = (TypeElement)types[collection.Type.Name];
}
}
foreach (TaskElement task in generator.Tasks)
{
IWriter w = GetWriter(task.Writer);
if (w == null)
{
vd(ParserValidationArgs.NewError("Task specified writer '" + task.Writer + "' that was not defined."));
}
// check to make sure the styler exists if it is specified (optional)
if (task.Styler.Length > 0)
{
IStyler s = GetStyler(task.Styler);
if (s == null)
{
vd(ParserValidationArgs.NewError("Task specified styler '" + task.Styler + "' that was not defined."));
}
}
}
}
