Module: TruncateHTML

Defined in:
lib/middleman-blog/truncate_html.rb

Overview

Taken and modified from http://madebydna.com/all/code/2010/06/04/ruby-helper-to-cleanly-truncate-html.html MIT license

Class Method Summary collapse

Class Method Details

.content_after_separator(text, separator) ⇒ Object 



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# File 'lib/middleman-blog/truncate_html.rb', line 18

def self.content_after_separator(text, separator)
  text = text.encode('UTF-8') if text.respond_to?(:encode)
  parts = text.split(separator, 2)
  
  if parts.length >= 2
    # Take the last part (which should be after the separator)
    content_after = parts.last
    doc = Nokogiri::HTML::DocumentFragment.parse content_after
    doc.inner_html
  else
    text
  end
end

.truncate_at_length(text, max_length, ellipsis = '...') ⇒ Object 



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# File 'lib/middleman-blog/truncate_html.rb', line 32

def self.truncate_at_length(text, max_length, ellipsis = '...')
  ellipsis_length = ellipsis.length
  text = text.encode('UTF-8') if text.respond_to?(:encode)
  doc = Nokogiri::HTML::DocumentFragment.parse text
  content_length = doc.inner_text.length
  actual_length = max_length - ellipsis_length
  if content_length > actual_length
    doc.truncate(actual_length, ellipsis).inner_html
  else
    text
  end
end

.truncate_at_separator(text, separator) ⇒ Object 



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# File 'lib/middleman-blog/truncate_html.rb', line 12

def self.truncate_at_separator(text, separator)
  text = text.encode('UTF-8') if text.respond_to?(:encode)
  doc = Nokogiri::HTML::DocumentFragment.parse text.split(separator).first
  doc.inner_html
end