module LogicalQueryParser

# File lib/logical_query_parser.rb, line 11
def new
  LogicalQueryParserParser.new
end

# File lib/logical_query_parser.rb, line 22
def resolve_assocs(klass, *options)
  AssocResolver.new(klass).run(*options)
end

# File lib/logical_query_parser.rb, line 15
def search(query, relations, *options)
  relations = relations.all if relations.respond_to?(:all)
  assoc = resolve_assocs(relations.klass, *options)
  sql = new.parse(query).to_sql(model: relations.klass, columns: assoc.column_mapping)
  relations.joins(assoc.structure).where(sql)
end

# File lib/logical_query_parser/nodes/active_record.rb, line 111
def unquote(str)
  str = str[1..-2].to_s.gsub(/\\(.)/, '\1') if str[0] == '"' && str[-1] == '"'
  str
end

# File lib/logical_query_parser.rb, line 26
def walk_tree(node, &block)
  yield node
  unless node.elements.nil?
    node.elements.each do |element|
      walk_tree(element, &block)
    end
  end
end