Class: PublishingPlatformNokodiff::ChangesInFragments

Inherits:
Object
  • Object
show all
Includes:
FormattingHelpers
Defined in:
lib/publishing_platform_nokodiff/changes_in_fragments.rb

Instance Method Summary collapse

Methods included from FormattingHelpers

#highlight_changes

Constructor Details

#initialize(diff) ⇒ ChangesInFragments

Returns a new instance of ChangesInFragments.



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# File 'lib/publishing_platform_nokodiff/changes_in_fragments.rb', line 4

def initialize(diff)
  @diff = diff
  @before_fragment = Nokogiri::HTML::DocumentFragment.parse("")
  @after_fragment = Nokogiri::HTML::DocumentFragment.parse("")

  @accumulated_before_text = ""
  @accumulated_after_text = ""
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/publishing_platform_nokodiff/changes_in_fragments.rb', line 13

def call
  @diff.each do |change|
    case change.action
    when "="
      no_change_emphasis(change)
    when "!"
      emphasise_change(change)
    when "-"
      emphasise_deletion(change)
    when "+"
      emphasise_addition(change)
    end
  end

  append_accumulated_text(before_fragment, accumulated_before_text)
  append_accumulated_text(after_fragment, accumulated_after_text)

  [before_fragment, after_fragment]
end