// Note that this method doesn't use the LINQ To XML API since
// no inference capabilities were added to it
static void InferSchemaFromXml()
{
Print.Header();
// Save the XML to disk
xml.Save("Persons.xml");
// Infer the scema set from the XML file
XmlSchemaSet schemaSet = new XmlSchemaInference().InferSchema(new XmlTextReader("Persons.xml"));
// Iterate through all schemas in the set (only one in this case)
// and write the result to the XSD file
using (XmlWriter writer = XmlWriter.Create("Persons.xsd"))
{
foreach (XmlSchema schema in schemaSet.Schemas())
{
schema.Write(writer);
}
}
// Load the schema from disk
XDocument scemaDocument = XDocument.Load("Persons.xsd");
Console.WriteLine(scemaDocument);
}
/// <summary>
/// Pulls the XML out of a Configuration section, and then generates its XSD
/// </summary>
/// <param name="section"></param>
/// <returns></returns>
public XmlDetails GetXmlDetails(ConfigurationSection section)
{
try
{
var xml = section.SectionInformation.GetRawXml();
if (string.IsNullOrWhiteSpace(xml))
{
return(null);
}
//Get schema
XmlReader reader = XmlReader.Create(new StringReader(xml));
XmlSchemaSet schemaSet = new XmlSchemaInference().InferSchema(reader);
var schema = schemaSet.Schemas().Cast <XmlSchema>().First();
StringBuilder xmlSchemaBuilder = new StringBuilder();
StringWriter writer = new StringWriter(xmlSchemaBuilder);
schema.Write(writer);
return(new XmlDetails()
{
RawData = xml,
Schema = xmlSchemaBuilder.ToString()
});
}
catch (Exception exc)
{
throw new MigrationException("There was an error while migrating the XML details", exc);
}
}
public void GenerateSchemaFromXml(XmlReader inputXmlReader, XmlWriter outputXsdWriter)
{
var schemaSet = new XmlSchemaInference().InferSchema(inputXmlReader);
if (schemaSet.Count > 1)
{
throw new Exception("Cannot write multiple schemas to single XmlWriter");
}
foreach (XmlSchema schema in schemaSet.Schemas())
{
schema.Write(outputXsdWriter);
}
}
public void GenerateSchemaFromXml(string inputXmlFile, string outputXsdFile, bool overwriteIfExists = false)
{
XmlSchemaSet schemaSet;
using (var reader = XmlReader.Create(inputXmlFile))
{
schemaSet = new XmlSchemaInference().InferSchema(reader);
}
var mode = overwriteIfExists ? FileMode.Create : FileMode.CreateNew;
foreach (XmlSchema schema in schemaSet.Schemas())
{
using (var file = new FileStream(outputXsdFile, mode, FileAccess.Write))
using (var writer = XmlWriter.Create(file, new XmlWriterSettings {
Indent = true, Encoding = Encoding.UTF8
}))
{
schema.Write(writer);
}
}
}
