Class: Gamefic::Scanner::Strict

Inherits:
Base
  • Object
show all
Defined in:
lib/gamefic/scanner/strict.rb

Overview

Strict token matching.

An entity will only match a word in a strict scan if the entire word matches one of the entity’s keywords.

Direct Known Subclasses

Fuzzy

Constant Summary collapse

NOISE = 
%w[
  a an the of some
].freeze

Instance Attribute Summary

Attributes inherited from Base

#selection, #token

Instance Method Summary collapse

Methods inherited from Base

#initialize, scan

Constructor Details

This class inherits a constructor from Gamefic::Scanner::Base

Instance Method Details

#match_word(available, word) ⇒ Object 



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# File 'lib/gamefic/scanner/strict.rb', line 31

def match_word available, word
  available.select { |obj| (obj.keywords + obj.nuance.keywords).include?(word) }
end

#reduce_noise(entities, keywords) ⇒ Object 



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# File 'lib/gamefic/scanner/strict.rb', line 35

def reduce_noise entities, keywords
  noiseless = keywords - NOISE
  entities.reject { |entity| (noiseless - entity.nuance.keywords).empty? }
end

#scan ⇒ Result

Returns:



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# File 'lib/gamefic/scanner/strict.rb', line 16

def scan
  words = token.keywords
  available = selection.clone
  filtered = []
  words.each_with_index do |word, idx|
    # @todo This might not be the best way to filter articles, but it works for now
    tested = %w[a an the].include?(word) ? available : match_word(available, word)
    return matched_result(reduce_noise(filtered, words[0, idx]), words[idx..].join(' ')) if tested.empty?

    filtered = tested
    available = filtered
  end
  matched_result(reduce_noise(filtered, words), '')
end