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Contents
# encoding: utf-8
require 'nokogiri'
module EvilFront
# Abstract module to be used in `Russian` and `English` typographs.
module Typograph
# Like `typograph`, but process only text nodes in HTML.
#
# EvilFront::Russian.typograph_html(article.html)
def typograph_html(html)
process_html(html) { |text| typograph(text) }
end
# Insert non-break spaces and mark quotes to have nice text.
#
# EvilFront::Russian.typograph(article)
def typograph(text)
return text if text.nil? or text.empty?
text.gsub! '"', '"'
text = use_right_symbols(text)
text.gsub!(/([^\s" ]+)-([^\s" ]+)/, '\1‑\2')
tiny_words.each { |regexp| text.gsub! regexp, "\\1\\2 " }
text
end
private
# Parse HTML and run block only on texts
def process_html(html, &block)
return html if html.nil? or html.empty?
if html.include? '<'
nodes = Nokogiri::HTML::DocumentFragment.parse(html, 'utf-8')
process_node!(nodes, &block)
nodes.to_html
else
yield(html)
end
end
# Run block on every text node recursively
def process_node!(node, &block)
return if %w(pre code kbd script style math).include? node.name
node.children.each do |child|
if child.is_a? Nokogiri::XML::Text
text = EvilFront.escape(child.content)
child.replace( yield(text) )
else
process_node! child, &block
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems