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Contents
module Redcar
class AutoCompleter
class WordIterator
def initialize(document, word_chars)
@document = document
@word_chars = word_chars
end
# word_chars is a regex, that defines word characters
def each_word_with_offset(prefix)
inside_word = false
text = @document.to_s
char_offset = 0
word_offset = 0
word = []
text.each_char do |char|
# p [inside_word, char, word]
if char =~ @word_chars
unless inside_word
word_offset = char_offset
inside_word = true
end
word << char
else
if inside_word
joined = word.join
if joined =~ /^#{prefix}/
# p [:yield, joined]
yield joined, word_offset
end
inside_word = false
word = []
end
end
char_offset += 1
end
# also yield the last word of the document if it matches
if word.join =~ /^#{prefix}/
#p [:yield, word.join]
yield word.join, word_offset
end
end
end
end
end
Version data entries
76 entries across 76 versions & 2 rubygems