Contents

# encoding: UTF-8

# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0

module TwitterCldr
  module Segmentation
    class BreakIterator

      attr_reader :locale, :options

      def initialize(locale = TwitterCldr.locale, options = {})
        @locale = locale
        @options = options
      end

      def each_sentence(str, &block)
        rule_set = rule_set_for('sentence')
        each_boundary(rule_set, str, &block)
      end

      def each_word(str, &block)
        rule_set = rule_set_for('word')
        each_boundary(rule_set, str, &block)
      end

      def each_grapheme_cluster(str, &block)
        rule_set = rule_set_for('grapheme')
        each_boundary(rule_set, str, &block)
      end

      def each_line(str, &block)
        rule_set = rule_set_for('line')
        each_boundary(rule_set, str, &block)
      end

      private

      def each_boundary(rule_set, str)
        return to_enum(__method__, rule_set, str) unless block_given?

        rule_set.each_boundary(str).each_cons(2) do |start, stop|
          yield str[start...stop], start, stop
        end
      end

      def rule_set_for(boundary_type)
        rule_set_cache[boundary_type] ||= RuleSet.create(
          locale, boundary_type, options
        )
      end

      def rule_set_cache
        @rule_set_cache ||= {}
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
twitter_cldr-5.2.0	lib/twitter_cldr/segmentation/break_iterator.rb