Simple wrapper to turn a string into an input stream.
This provides a standard interface on top of an array of
Build a new CSS input stream from a string.
peek() : \QueryPath\CSS\char
Look ahead one character.
Returns the next character, but does not remove it from
Get the next unconsumed character in the stream.
This will remove that character from the front of the
stream and return it.
isEmpty() : boolean
Check if the stream is empty.
Returns TRUE when the stream is empty, FALSE otherwise.