/// <summary>
/// Sets the value of the specified template argument. If the argument doesn't exist,
/// this function will create a new one and returns it.
/// </summary>
/// <param name="argumentName">The name of the argument to set.</param>
/// <param name="argumentValue">The new value of the argument. If the value is empty, it should be an empty <see cref="Wikitext"/> instance.</param>
/// <returns>The <see cref="TemplateArgument"/> whose value has been set/created.</returns>
/// <remarks>If there are multiple arguments sharing the same name, the value of the effective one (often the last one) will be set and returned.</remarks>
/// <exception cref="ArgumentNullException">Either <paramref name="argumentName"/> or <paramref name="argumentValue"/> is <c>null</c>.</exception>
public TemplateArgument SetValue(Wikitext argumentName, Wikitext argumentValue)
{
if (argumentName == null)
{
throw new ArgumentNullException(nameof(argumentName));
}
if (argumentValue == null)
{
throw new ArgumentNullException(nameof(argumentValue));
}
var arg = this[argumentName.ToString()];
if (arg == null)
{
// TODO automatically convert named argument to positional one
// E.g. {{T|1=abc}} --> {{T|abc}}
arg = new TemplateArgument(argumentName, argumentValue);
Add(arg);
}
else
{
arg.Value = argumentValue;
}
return(arg);
}
protected override Node CloneCore()
{
var n = new Wikitext();
n.Lines.Add(Lines);
return(n);
}
public ArgumentReference(Wikitext name, Wikitext defaultValue)
{
Name = name;
DefaultValue = defaultValue;
}
public ArgumentReference(Wikitext name) : this(name, null)
{
}
public TemplateArgument(Wikitext name, Wikitext value)
{
Name = name;
Value = value;
}
public WikiImageLinkArgument(Wikitext name, Wikitext value)
{
Name = name;
Value = value;
}
