Class: Snuffle::LatentObject

Inherits:
Object
  • Object
show all
Includes:
PoroPlus
Defined in:
lib/snuffle/latent_object.rb

Constant Summary collapse

DUPLICATE_THRESHOLD = 
1
STOPWORDS = 
[
  "the", "be", "to", "of", "and", "a", "in", "that", "have", "I", "it", "for",
  "not", "on", "with", "he", "as", "you", "do", "at", "this", "but", "his",
  "by", "from", "they", "we", "say", "her", "she", "or", "an", "will", "my", "are",
  "one", "all", "would", "there", "their", "what", "so", "up", "out", "if", "is",
  "about", "who", "get", "which", "go", "me", "when", "make", "can", "like",
  "time", "no", "just", "him", "know", "take", "into", "else", "other", "again",
  "your", "good", "some", "could", "them", "see", "other", "than", "then",
  "now", "look", "only", "come", "its", "over", "think", "also", "back", "else",
  "after", "use", "two", "how", "our", "work", "first", "well", "way", "even",
  "new", "want", "because", "any", "these", "give", "day", "most", "us", "call",
  "create", "edit", "new", "delete", "destroy", "update"
]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#object_candidate ⇒ Object

Returns the value of attribute object_candidate.



7
8
9
 
# File 'lib/snuffle/latent_object.rb', line 7

def object_candidate
  @object_candidate
end

#source_methods ⇒ Object

Returns the value of attribute source_methods.



7
8
9
 
# File 'lib/snuffle/latent_object.rb', line 7

def source_methods
  @source_methods
end

Class Method Details

.extract_candidates(method_defs) ⇒ Object 



35
36
37
38
39
40
41
42
43
 
# File 'lib/snuffle/latent_object.rb', line 35

def self.extract_candidates(method_defs)
  stemmer = UEAStemmer.new
  method_defs.map(&:method_name).inject({}) do |words, method_name|
    atoms = method_name.split('_') - STOPWORDS
    atoms = atoms.map{|atom| stemmer.stem(atom.to_s)}
    atoms.each{ |word| words[word] ||= []; words[word] << method_name }
    words
  end
end

.from(nodes) ⇒ Object 



24
25
26
27
28
 
# File 'lib/snuffle/latent_object.rb', line 24

def self.from(nodes)
  potential_objects_with_methods(nodes).map do |k,v|
    new(object_candidate: k, source_methods: v)
  end
end

.potential_objects_with_methods(nodes, threshold = DUPLICATE_THRESHOLD) ⇒ Object 



30
31
32
33
 
# File 'lib/snuffle/latent_object.rb', line 30

def self.potential_objects_with_methods(nodes, threshold=DUPLICATE_THRESHOLD)
  method_candidates = Snuffle::Element::MethodDefinition.materialize(nodes.method_defs)
  extract_candidates(method_candidates).select{|k,v| v.count > threshold }
end