public TaskDescription(Entity language, AuthorDescription author, string variant)
{
if (language == null)
{
throw new ArgumentNullException(nameof(language));
}
if (author == null)
{
throw new ArgumentNullException(nameof(author));
}
if (variant == null)
{
throw new ArgumentNullException(nameof(variant));
}
Language = language;
Author = author;
Variant = variant;
}
private static TaskDescription LoadFromStream(XmlReader reader)
{
ISet <Variable> variables = new HashSet <Variable>();
Entity language = null;
AuthorDescription author = null;
string variant = null;
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
while (!reader.IsStartElement(_TaskElementName))
{
reader.Read();
}
reader.ReadStartElement(_TaskElementName);
while (!reader.IsStartElement(_VariablesElementName))
{
reader.Read();
}
bool isEmpty = reader.IsEmptyElement;
reader.ReadStartElement(_VariablesElementName);
while (reader.IsStartElement(_VariableElementName))
{
variables.Add(LoadVariable(reader));
}
if (!isEmpty)
{
reader.ReadEndElement();
}
isEmpty = reader.IsEmptyElement;
reader.ReadStartElement(_LanguageElementName);
if (reader.IsStartElement())
{
language = LoadEntity(reader, variables.ToDictionary(v => v.Name).AsReadOnly());
}
if (!isEmpty)
{
reader.ReadEndElement();
}
reader.ReadStartElement(_InfoElementName);
while (reader.IsStartElement())
{
switch (reader.Name)
{
case _AuthorElementName:
author = LoadAuthor(reader);
break;
case _VariantElementName:
variant = LoadVariant(reader);
break;
default:
throw new InvalidOperationException(string.Format("Element type {0} is not supported.", reader.Name));
}
}
reader.ReadEndElement();
reader.ReadEndElement();
return(new TaskDescription(language, author, variant));
}
