public static bool Validate(XDocument xDoc, XmlSchemaSet schemaSet, TextWriter output)
{
var hasError = false;
var rules = RuleParser.GetRules(schemaSet, xDoc.Root.GetDefaultNamespace().NamespaceName);
xDoc.Validate(schemaSet, OnError, true);
void OnError(object sender, ValidationEventArgs args)
{
hasError = true;
output.WriteLine("Error");
output.WriteLine($"- Message: {args.Exception.Message}");
if (sender is XObject xo)
{
output.WriteLine($"- Position: {XPath(xo)}");
}
else
{
output.WriteLine("- Position: (Unknown)");
}
output.WriteLine();
}
return(hasError);
string XPath(XObject xo)
{
var sb = new StringBuilder();
var current = xo;
while (!(current is null))
{
if (current is XElement xe)
{
if (rules.Contains(xe.Name.LocalName))
{
var selector = new StringBuilder();
var pks = rules[xe.Name.LocalName].Where(r => r.IsPrimaryKey).ToList();
if (pks.Any())
{
selector.Append('[');
foreach (var key in pks)
{
try
{
var value = xe.Attribute(key.PropertyName);
if (value is null)
{
continue;
}
if (selector.Length > 1)
{
selector.Append(" and ");
}
selector.Append(value);
}
catch
{
}
}
selector.Append(']');
if (selector.Length > 2)
{
sb.Insert(0, selector);
}
}
}
sb.Insert(0, $"/{xe.Name.LocalName}");
}
else if (current is XAttribute xa)
{
sb.Insert(0, $"/@{xa.Name.LocalName}");
}
current = current.Parent;
}
return(sb.ToString());
}
}
