string GetParameterDoc(System.Reflection.MethodInfo method, System.Reflection.ParameterInfo parameter)
{
if (method.DeclaringType == null)
{
return(null);
}
XmlNode methoddoc = GetMethodDocFromType(method.DeclaringType, method);
XmlNode paramdoc = methoddoc?.SelectSingleNode($"param[@name='{parameter.Name}']");
return(ExtractSummary(paramdoc));
}
string GetMethodDoc(System.Reflection.MethodInfo method)
{
if (method.DeclaringType == null)
{
return(null);
}
XmlNode methoddoc = GetMethodDocFromType(method.DeclaringType, method);
XmlNode remarksnode = methoddoc?.SelectSingleNode("remarks");
if (remarksnode != null)
{
return(ExtractSummary(methoddoc.SelectSingleNode("summary")) + "\n" + ExtractSummary(remarksnode));
}
return(ExtractSummary(methoddoc?.SelectSingleNode("summary")));
}
string GetReturnType(System.Reflection.MethodInfo method, Type hosttype)
{
if (method.ReturnType.IsGenericParameter)
{
if (method.ReturnType.GenericParameterPosition < hosttype.GenericTypeArguments.Length)
{
return(hosttype.GenericTypeArguments[method.ReturnType.GenericParameterPosition].GetTypeName());
}
// TODO: see whether it makes sense to resolve the generic type
return(typeof(object).GetTypeName());
}
if (method.ReturnType.ContainsGenericParameters)
{
if (method.ReturnType.BaseType == typeof(Array) && hosttype.GenericTypeArguments.Length > 0)
{
return(hosttype.GenericTypeArguments[0].MakeArrayType().GetTypeName());
}
return(typeof(object).GetTypeName());
}
return(method.ReturnType != typeof(void) ? method.ReturnType.GetTypeName() : null);
}
XmlNode GetMethodDocFromType(Type type, System.Reflection.MethodInfo method)
{
XmlDocument doc = GetAssemblyDoc(type.Assembly);
string membername = $"{type.FullName}.{method.Name}({string.Join(",", method.GetParameters().Select(p => p.ParameterType.FullName))})";
XmlNode doctag = doc?.SelectSingleNode($"doc/members/member[@name='M:{membername}']");
if (doctag == null)
{
return(null);
}
if (doctag.ChildNodes.Cast <XmlNode>().Any(c => c.Name == "inheritdoc"))
{
foreach (Type interfacetype in type.GetInterfaces())
{
XmlNode summarydoc = GetMethodDocFromType(interfacetype, method);
if (summarydoc != null)
{
return(summarydoc);
}
}
if (type.BaseType != null && type != typeof(object))
{
XmlNode summarydoc = GetMethodDocFromType(type.BaseType, method);
if (summarydoc != null)
{
return(summarydoc);
}
}
return(null);
}
return(doctag);
}