Foswiki::Search::Parser is a refactoring mid-step that contains the legacy SEARCH tokens
If if becomes useful, it will become a set of Nodes as for Foswiki::Query
ClassMethod new($session)
Construct a Legacy Search token container (its not yet a proper Node)
ObjectMethod finish()
Break circular references.
ObjectMethod parse($string, $options) → tokens..
parses the legacy SEARCH string and makes a 'Node' token container to pass to the algo
# Split the search string into tokens depending on type of search.
# Search is an 'AND' of all tokens - various syntaxes implemented
# by this routine.