public void ApplyTo(BrowserEngine engine)
{
foreach (Fixup fixup in Fixups)
{
Page targetPage, argument;
engine.PagesByName.TryGetValue(new Pair <Namespace, string>(fixup.TargetNamespace, fixup.TargetTitle), out targetPage);
engine.PagesByName.TryGetValue(new Pair <Namespace, string>(fixup.ArgumentNamespace, fixup.ArgumentTitle), out argument);
switch (fixup.Operation)
{
case FixupOperation.RemoveCategory:
if (targetPage == null)
{
throw new InvalidOperationException("Unknown title: " + fixup.TargetPage);
}
if (argument == null)
{
throw new InvalidOperationException("Unknown title: " + fixup.OperationArgument);
}
if (argument.Namespace != Namespace.Category)
{
throw new InvalidOperationException("Argument must be category: " + fixup.OperationArgument);
}
Category cat = (Category)argument;
if (!targetPage.Categories.Contains(cat))
{
throw new InvalidOperationException(String.Format("Page {0} is not a member of {1}", fixup.TargetPage, fixup.OperationArgument));
}
targetPage.Categories.Remove(cat);
Category targetCat = targetPage as Category;
if (targetCat != null)
{
cat.Subcategories.Remove(targetCat);
}
else
{
cat.Articles.Remove(targetPage);
}
break;
}
}
}
/// <summary>
/// Get the base page
/// </summary>
/// <param name="engine">Browser engine to be used for the page load</param>
/// <returns>The page specified by <see cref="Namespace"/>.<see cref="Name"/> from <paramref name="engine"/></returns>
internal Page GetPage(BrowserEngine engine)
{
return(engine.PagesByName[new Pair <Namespace, string>(Namespace, Name)]);
}