internal static bool TryParse(Node parent, Queue <Word> remainingWords, out ExtendDirective directive)
{
directive = null;
if (remainingWords.Peek().Text != "@extend")
{
return(false);
}
directive = new ExtendDirective(parent);
directive.Name = remainingWords.Dequeue().Text.Substring(1);
Expression expression;
if (!Expression.TryParse(directive, remainingWords, out expression))
{
throw new Exception("errp?");
}
// remove ';'
if (remainingWords.Peek().Text == ";")
{
remainingWords.Dequeue();
}
directive.Value = expression;
return(true);
}
internal static bool TryParse(Node parent, Queue<Word> remainingWords, out ExtendDirective directive)
{
directive = null;
if (remainingWords.Peek().Text != "@extend")
{
return false;
}
directive = new ExtendDirective(parent);
directive.Name = remainingWords.Dequeue().Text.Substring(1);
Expression expression;
if (!Expression.TryParse(directive, remainingWords, out expression))
{
throw new Exception("errp?");
}
// remove ';'
if (remainingWords.Peek().Text == ";")
{
remainingWords.Dequeue();
}
directive.Value = expression;
return true;
}
public override Node Clone(Node newParent)
{
var newDirective = new ExtendDirective(newParent);
newDirective.Name = Name;
newDirective.Value = Value.Clone(newDirective);
return newDirective;
}
public override Node Clone(Node newParent)
{
var newDirective = new ExtendDirective(newParent);
newDirective.Name = Name;
newDirective.Value = Value.Clone(newDirective);
return(newDirective);
}
internal static bool TryParse(Node parent, Queue <Word> remainingWords, out Block block)
{
if (remainingWords.Peek().Text != "{")
{
block = null;
return(false);
}
remainingWords.Dequeue();
block = new Block(parent);
while (remainingWords.Peek().Text != "}")
{
IncludeDirective includeDirective;
if (IncludeDirective.TryParse(block, remainingWords, out includeDirective))
{
block.Children.Add(includeDirective);
continue;
}
ExtendDirective excludeDirective;
if (ExtendDirective.TryParse(block, remainingWords, out excludeDirective))
{
block.Children.Add(excludeDirective);
continue;
}
PropertyAssignment property;
if (PropertyAssignment.TryParse(block, remainingWords, out property))
{
block.Children.Add(property);
continue;
}
Selector selector;
if (Selector.TryParse(block, remainingWords, out selector))
{
block.Children.Add(selector);
continue;
}
}
remainingWords.Dequeue();
return(true);
}