public bool VerifyNexts(ProgressiveList <string> nexts, bool dontWorryAboutOrder = false,
Func <Token, Tokens, bool> checker = null)
{
bool ret = true;
int state = GetState();
bool begun = true;
if (dontWorryAboutOrder)
{
begun = false;
}
Token token;
while ((token = tokens.Next()) != null)
{
var ntoken = nexts.Next();
if (ntoken == null)
{
if (!begun)
{
return(false);
}
return(ret);
}
if (token.text != ntoken)
{
if (!begun)
{
nexts.Back();
continue;
}
ret = false;
break;
}
else
{
if (!begun)
{
if (checker == null)
{
begun = true;
}
else if (checker != null)
{
int prev = GetState();
if (!checker(token, this))
{
nexts.Back();
}
else
{
begun = true;
return(true);
}
RestoreState(prev);
}
}
}
}
RestoreState(state);
if (!begun)
{
ret = false;
}
return(ret);
}
/// <summary>
/// Return a token and backwards the pointer
/// </summary>
/// <returns>The back.</returns>
public Token Back()
{
return(tokens.Back());
}
