public void chompBalanced()
{
TokenQueue tq = new TokenQueue(":contains(one (two) three) four");
string pre = tq.ConsumeTo("(");
string guts = tq.ChompBalanced('(', ')');
string remainder = tq.Remainder();
Assert.AreEqual(":contains", pre);
Assert.AreEqual("one (two) three", guts);
Assert.AreEqual(" four", remainder);
}
private void ByAttribute()
{
TokenQueue cq = new TokenQueue(_tq.ChompBalanced('[', ']')); // content queue
string key = cq.ConsumeToAny("=", "!=", "^=", "$=", "*=", "~="); // eq, not, start, end, contain, match, (no val)
if (string.IsNullOrEmpty(key))
{
throw new Exception("key is empty.");
}
cq.ConsumeWhitespace();
if (cq.IsEmpty)
{
if (key.StartsWith("^"))
{
_evals.Add(new Evaluator.AttributeStarting(key.Substring(1)));
}
else
{
_evals.Add(new Evaluator.Attribute(key));
}
}
else
{
if (cq.MatchChomp("="))
{
_evals.Add(new Evaluator.AttributeWithValue(key, cq.Remainder()));
}
else if (cq.MatchChomp("!="))
{
_evals.Add(new Evaluator.AttributeWithValueNot(key, cq.Remainder()));
}
else if (cq.MatchChomp("^="))
{
_evals.Add(new Evaluator.AttributeWithValueStarting(key, cq.Remainder()));
}
else if (cq.MatchChomp("$="))
{
_evals.Add(new Evaluator.AttributeWithValueEnding(key, cq.Remainder()));
}
else if (cq.MatchChomp("*="))
{
_evals.Add(new Evaluator.AttributeWithValueContaining(key, cq.Remainder()));
}
else if (cq.MatchChomp("~="))
{
_evals.Add(new Evaluator.AttributeWithValueMatching(key, new Regex(cq.Remainder())));
}
else
{
throw new Selector.SelectorParseException("Could not parse attribute query '{0}': unexpected token at '{1}'", _query, cq.Remainder());
}
}
}
/// <summary>
/// Create a new QueryParser.
/// </summary>
/// <param name="query">query CSS query</param>
private QueryParser(string query)
{
this._query = query;
this._tq = new TokenQueue(query);
}
public void chompBalancedMatchesAsMuchAsPossible()
{
TokenQueue tq = new TokenQueue("unbalanced(something(or another");
tq.ConsumeTo("(");
string match = tq.ChompBalanced('(', ')');
Assert.AreEqual("something(or another", match);
}
public void addFirst()
{
TokenQueue tq = new TokenQueue("One Two");
tq.ConsumeWord();
tq.AddFirst("Three");
Assert.AreEqual("Three Two", tq.Remainder());
}
public void chompToIgnoreCase()
{
string t = "<textarea>one < two </TEXTarea>";
TokenQueue tq = new TokenQueue(t);
string data = tq.ChompToIgnoreCase("</textarea");
Assert.AreEqual("<textarea>one < two ", data);
tq = new TokenQueue("<textarea> one two < three </oops>");
data = tq.ChompToIgnoreCase("</textarea");
Assert.AreEqual("<textarea> one two < three </oops>", data);
}
