private IXmlElement ParseXmlElement(ISchemaElement schemaElement, XElement sourceXmlElement, IXmlElement parentXmlElement, IProjectFile file)
{
var xmlNamespace = sourceXmlElement.Name.Namespace;
var elementLocationInfo = new ParseLocationInfo(sourceXmlElement, file);
var xmlElement = new DesignModel.XmlElement(schemaElement, parentXmlElement, elementLocationInfo);
if (schemaElement.UseContentAsValue)
{
xmlElement.Value = sourceXmlElement.Value.Trim();
}
foreach (var xmlAttribute in sourceXmlElement.Attributes().Where(x => !x.IsNamespaceDeclaration))
{
var attributeLocationInfo = new ParseLocationInfo(xmlAttribute, file);
var schemaElementAttribute = schemaElement.Attributes.FirstOrDefault(x => CompareName(xmlAttribute, x.Name));
if (schemaElementAttribute == null)
{
throw new ParseException(attributeLocationInfo, $"Unknown XML attribute '{xmlAttribute.Name}'");
}
var attribute = new DesignModel.XmlAttribute(schemaElementAttribute, xmlAttribute.Value, attributeLocationInfo);
xmlElement.AddAttribute(attribute);
}
if (!schemaElement.UseContentAsValue)
{
foreach (var childXmlElement in sourceXmlElement.Elements())
{
var childSchemaElement = schemaElement.Children.FirstOrDefault(x => childXmlElement.Name == x.Name);
if (childSchemaElement == null)
{
throw new ParseException(elementLocationInfo, $"Unknown child XML element '{childXmlElement.Name}'");
}
var childDesignModelElement = this.ParseXmlElement(childSchemaElement, childXmlElement, xmlElement, file);
xmlElement.AddChildElement(childDesignModelElement);
}
}
// Validate that all mandatory attributes and child elements are preset.
xmlElement.Validate();
return(xmlElement);
}
public IXmlElement Parse(TextReader reader, ISchema schema, IProjectFile file)
{
if (schema.RootElement == null)
{
throw new SchemaException($"Schema '{schema.Name}' does not contain a root element.");
}
var xmlElement = XElement.Load(reader, LoadOptions.PreserveWhitespace | LoadOptions.SetLineInfo);
if (xmlElement == null)
{
throw new CodeGenerationException($"No root element in file '{file.GetSourcePath(false) ?? file.RelativePath}'");
}
var elementLocationInfo = new ParseLocationInfo(xmlElement, file);
if (xmlElement.Name != schema.RootElement.Name)
{
throw new ParseException(elementLocationInfo, $"Invalid root XML element '{xmlElement.Name}'");
}
return(this.ParseXmlElement(schema.RootElement, xmlElement, null, file));
}
