public Task <XsdDocument> ParseAsync(string path)
{
// Load the XSD into a schema set and compile it up
var schemaSet = new XmlSchemaSet();
AddSchemaToSet(schemaSet, path);
schemaSet.Compile();
// Create the doc
var doc = new XsdDocument();
// Set up the context we'll pass around to keep parameter lists shorter
var context = new Context
{
SchemaSet = schemaSet,
Document = doc
};
// Go through all the global elements and process them.
foreach (XmlSchemaElement element in schemaSet.GlobalElements.Values)
{
try
{
ProcessElement(context, doc, element);
}
catch (Exception ex)
{
throw new ParserException(element, $"Unhandled exception parsing element: {element.Name}", ex);
}
}
return(Task.FromResult(doc));
}
private void ProcessElement(Context context, XsdDocument doc, XmlSchemaElement xmlSchemaElement)
{
var xsdElement = doc.FindOrCreateElement(xmlSchemaElement.Name);
if (xmlSchemaElement.ElementSchemaType is XmlSchemaComplexType complex)
{
ProcessComplexType(context, xsdElement, complex);
}
else if (xmlSchemaElement.ElementSchemaType is XmlSchemaSimpleType simple)
{
ProcessSimpleType(xsdElement, simple);
}
else
{
throw new ParserException(xmlSchemaElement, $"Unexpected ElementSchemaType: {xmlSchemaElement.ElementSchemaType}.");
}
}
public async Task <XsdDocument> RunAsync()
{
var rows = await Input.RunAsync();
var doc = new XsdDocument();
// Process all the input rows
foreach (var row in rows)
{
var element = doc.FindOrCreateElement(row.ElementName);
if (!string.IsNullOrEmpty(row.ChildElementName))
{
// This row applies to a child element...
var child = element.FindOrCreateElement(row.ChildElementName);
child.DataType = row.DataType;
child.MinOccurs = row.MinOccurs;
child.MaxOccurs = row.MaxOccurs;
if (child.DataType == "ref")
{
child.RefName = row.ChildElementName;
}
else
{
ProcessEnums(child, row);
}
}
else if (!string.IsNullOrEmpty(row.AttributeName))
{
// This row applies to a child attribute...
var attribute = element.FindOrCreateAttribute(row.AttributeName);
attribute.DataType = row.DataType;
attribute.MaxLength = row.MaxLength;
attribute.Comment = row.Comment;
ProcessEnums(attribute, row);
if (!string.IsNullOrEmpty(row.Required))
{
attribute.MaxOccurs = "1";
if (row.Required.Equals("required", StringComparison.OrdinalIgnoreCase))
{
attribute.MinOccurs = "1";
}
else
{
attribute.MinOccurs = "0";
}
}
}
else
{
// This row applies to the element itself
element.DataType = row.DataType;
element.MaxLength = row.MaxLength;
element.Comment = row.Comment;
}
}
// If a debug path was specified, write the doc there for post-mortem analysis...
if (!string.IsNullOrEmpty(DebugDumpPath))
{
using (var stream = new FileStream(DebugDumpPath, FileMode.Create, FileAccess.Write))
{
var jsonOptions = new JsonSerializerOptions
{
WriteIndented = true
};
try
{
await JsonSerializer.SerializeAsync(stream, doc, jsonOptions);
logger.LogDebug("Wrote CsvToXsdTranslator intermediate debug output to {Path}.", DebugDumpPath);
}
catch (JsonException ex)
{
logger.LogWarning("JSON Exception saving CsvToXsd debug dump: {Message}", ex.Message);
}
}
}
// Return what we've built
return(doc);
}
private XsdElement GetVerifiedElement(XsdDocument doc, string elementName)
{
doc.Elements.Should().Contain(x => x.Name == elementName);
return(doc.Elements.First(x => x.Name == elementName));
}
