protected static Token FindAncestorToken(Token searchTarget, Func<Token, bool> predicate)
{
if (predicate(searchTarget))
return searchTarget;
return searchTarget.Parent != null ? FindAncestorToken(searchTarget.Parent, predicate) : null;
}
void ApplyImpl(Token rootToken)
{
for (int i = 0; i < rootToken.Children.Count; i++)
{
var token = rootToken.Children[i];
if (token is LineBreakToken
&& (
token.Parent.Children.IndexOf(token) == 0
|| token.Parent.Children.IndexOf(token) == token.Parent.Children.Count - 1
)
)
token.Parent.RemoveChild(token);
ApplyImpl(token);
}
}
internal abstract string RenderOpeningTag(Token token);
internal abstract string RenderClosingTag(Token token);
internal abstract bool CanRender(Token token);
internal override string RenderOpeningTag(Token token)
{
return "<br />";
}
internal abstract bool Apply(StringReader reader, ref Token parentToken, ref Token previousToken);
internal override bool CanRender(Token token)
{
return token is LineBreakToken;
}
internal override string RenderClosingTag(Token token)
{
return string.Empty;
}
internal override string RenderClosingTag(Token token)
{
return "</p>";
}
internal override bool CanRender(Token token)
{
return token is ParagraphToken;
}
internal void RemoveChild(Token token)
{
Children.Remove(token);
}
internal void AddChild(Token token)
{
token.Parent = this;
Children.Add(token);
}
internal override bool CanRender(Token token)
{
return token is StrongToken;
}