Class: Yosina::Transliterators::KanjiOldNew::Transliterator

Inherits:
BaseTransliterator show all
Defined in:
lib/yosina/transliterators/kanji_old_new.rb

Overview

Transliterator for kanji_old_new

Instance Method Summary collapse

Constructor Details

#initialize(_options = {}) ⇒ Transliterator

Initialize the transliterator with options

Parameters:

  • _options (Hash) (defaults to: {}) —

    Configuration options (currently unused)



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# File 'lib/yosina/transliterators/kanji_old_new.rb', line 1094

def initialize(_options = {})
  # Options currently unused for kanji_old_new transliterator
  super()
end

Instance Method Details

#call(input_chars) ⇒ Enumerable<Char>

Replace old-style kanji with modern equivalents

Parameters:

  • input_chars (Enumerable<Char>) —

    The characters to transliterate

Returns:

  • (Enumerable<Char>) —

    The transliterated characters



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# File 'lib/yosina/transliterators/kanji_old_new.rb', line 1103

def call(input_chars)
  offset = 0

  result = input_chars.filter_map do |char|
    replacement = KANJI_OLD_NEW_MAPPINGS[char.c]
    c = if replacement
          # Skip empty replacements (character removal)
          next if replacement.empty?

          Char.new(c: replacement, offset: offset, source: char)
        else
          char.with_offset(offset)
        end
    offset += c.c.length
    c
  end

  class << result
    include Yosina::Chars
  end

  result
end