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Contents
module Zenlish
module Lex
# A lexicon is a collection of lexical entries.
# Every entry is associated with one one more lexemes.
class Lexicon
attr_reader :entries
attr_reader :lemma2entry
# The list of terminal symbols. Examples of terminal symbols:
# - word classes,
# - punctuation signs,...
attr_reader :terminals
attr_reader :name2terminal
def initialize
@entries = []
@lemma2entry = {}
@terminals = []
@name2terminal = {}
end
def get_lexeme(aLemma, aWordClass = nil)
if aWordClass
lexeme = nil
candidate = nil
entries = lemma2entry.fetch(aLemma)
if entries.kind_of?(Array)
entries.each do |e|
candidate = e.lexemes.first
break if candidate.wclass.kind_of?(aWordClass)
end
lexeme = candidate
else
candidate = entries.lexemes.first
lexeme = candidate if candidate.wclass.kind_of?(aWordClass)
end
lexeme
else
lemma2entry.fetch(aLemma).lexemes.first
end
end
def add_terminal(aTerminal)
terminals << aTerminal
name2terminal[aTerminal.name] = aTerminal
end
def add_entry(anEntry)
entries << anEntry
lemma = anEntry.lemma
update_mapping(lemma2entry, lemma, anEntry)
end
private
def update_mapping(aHash, aKey, aValue)
if aHash.include?(aKey)
hit = aHash[aKey]
if hit.is_a?(Array)
hit << aValue
else
aHash[aKey] = [hit, aValue]
end
else
aHash[aKey] = aValue
end
end
end # class
end # module
end # module
Version data entries
20 entries across 20 versions & 1 rubygems