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Contents
# encoding: utf-8
#
module Query
# This class primarily handles switching through similar token constellations.
#
class Tokens
# Basically delegates to its internal tokens array.
#
self.delegate *[Enumerable.instance_methods, :slice!, :[], :uniq!, :last, :reject!, :length, :size, :empty?, :each, :exit, { :to => :@tokens }].flatten
#
#
def initialize tokens = []
@tokens = tokens
end
#
#
def tokenize_with tokenizer
@tokens.each { |token| token.tokenize_with(tokenizer) }
end
# Generates an array in the form of
# [
# [combination], # of token 1
# [combination, combination, combination], # of token 2
# [combination, combination] # of token 3
# ]
#
# TODO If we want token behaviour defined per Query, we can
# compact! here
#
def possible_combinations_in type
@tokens.inject([]) do |combinations, token|
combinations << token.possible_combinations_in(type)
end
# TODO compact! if ignore_unassigned_tokens
end
# Makes the last of the tokens partial.
#
def partialize_last
@tokens.last.partial = true unless empty?
end
# Caps the tokens to the maximum.
#
def cap maximum
@tokens.slice!(maximum..-1) if cap?(maximum)
end
def cap? maximum
@tokens.size > maximum
end
# Rejects blank tokens.
#
def reject
@tokens.reject! &:blank?
end
# Returns a solr query.
#
def to_solr_query
@tokens.map(&:to_solr).join ' '
end
#
#
def originals
@tokens.map(&:original)
end
# Just join the token original texts.
#
def to_s
originals.join ' '
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems