Class: FastHtmlDiff::DiffBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/fast_html_diff.rb

Instance Method Summary collapse

Constructor Details

#initialize(html_str_a, html_str_b, config = {}) ⇒ DiffBuilder

Returns a new instance of DiffBuilder.



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# File 'lib/fast_html_diff.rb', line 6

def initialize(html_str_a,html_str_b,config={})
  @a = html_str_a
  @b = html_str_b

  @config = default_config.merge(config)
  if config[:tokenizer_regexp].nil?
    if @config[:ignore_punctuation]
      @config[:tokenizer_regexp] = %r{([^A-Za-z0-9]+)}
    else
      @config[:tokenizer_regexp] = %r{(\s+)}
    end
  end

  @word_list = {}
  @insertions = []
  @deletions = []
  @split_nodes = Hash.new
  @insertion_nodes = Hash.new
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/fast_html_diff.rb', line 26

def build
  # parse, tokenize and index
  @a = Nokogiri::HTML(@a)
  @b = Nokogiri::HTML(@b)
  if @config[:simplify_html]
    simplify_html(@a)
    simplify_html(@b)
  end
  index_document(@a, :a)
  index_document(@b, :b)

  # find the insertions and deletions
  diff_words

  # update doc a with tags for the insertions and deletions
  update_dom
  @a.to_html
end