public css_selector(css_element_selector right)
{
_right = right;
_media_query = null;
_combinator = css_combinator.descendant;
_order = 0;
}
public bool parse(string text)
{
if (string.IsNullOrEmpty(text))
{
return(false);
}
var tokens = new List <string>();
html.split_string(text, tokens, "", " \t>+~", "([");
if (tokens.Count == 0)
{
return(false);
}
var right = tokens[tokens.Count - 1].Trim();
var combinator = '\0';
tokens.RemoveAt(tokens.Count - 1);
string lastToken;
while (tokens.Count != 0 && ((lastToken = tokens[tokens.Count - 1]) == " " || lastToken == "\t" || lastToken == "+" || lastToken == "~" || lastToken == ">"))
{
if (combinator == ' ' || combinator == 0)
{
combinator = lastToken[0];
}
tokens.RemoveAt(tokens.Count - 1);
}
var left = tokens.Aggregate(new StringBuilder(), (a, b) => a.Append(b)).ToString().Trim();
if (string.IsNullOrEmpty(right))
{
return(false);
}
_right.parse(right);
switch (combinator)
{
case '>': _combinator = css_combinator.child; break;
case '+': _combinator = css_combinator.adjacent_sibling; break;
case '~': _combinator = css_combinator.general_sibling; break;
default: _combinator = css_combinator.descendant; break;
}
_left = null;
if (!string.IsNullOrEmpty(left))
{
_left = new css_selector((media_query_list)null);
if (!_left.parse(left))
{
return(false);
}
}
return(true);
}
public css_selector(css_selector val)
{
_right = val._right;
_left = val._left; //: shared?
_combinator = val._combinator;
_specificity = val._specificity;
_order = val._order;
_media_query = val._media_query;
}
public css_selector(media_query_list media = null)
{
_media_query = media;
_combinator = css_combinator.descendant;
_order = 0;
}
