Module: TextUtils::StringParser

Defined in:
lib/rad/lib/text_utils.rb

Overview

Code ripped from StringParser, github.com/snitko/string_parser/blob/master/lib/string_parser.rb

Class Method Summary collapse

Class Method Details

.highlight_code(options = {}) ⇒ Object

Highlights code using ‘uv’ library. Make sure you have ultraviolet gem installed.



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# File 'lib/rad/lib/text_utils.rb', line 304

def highlight_code(options={})
  require 'uv'

  wrap_with = options[:wrap_with] || ['','']
  text = @modified_string

  languages_syntax_list = File.readlines(
    File.expand_path(File.dirname(__FILE__) + '/../config/languages_syntax_list')
  ).map { |l| l.chomp }

  text.gsub!(/<code(\s*?lang=["']?(.*?)["']?)?>(.*?)<\/code>/) do
    if languages_syntax_list.include?($2)
      lang = $2
    else
      lang = 'ruby'
    end
    unless $3.blank?
      result = Uv.parse($3.gsub('<br/>', "\n").gsub('&lt;', '<').gsub('&gt;', '>').gsub('&quot;', '"'), 'xhtml', lang, false, 'active4d')
      "#{wrap_with[0].gsub('$lang', lang)}#{result}#{wrap_with[1]}"
    end
  end

  # TODO: split string longer than 80 characters

  @modified_string = text
  self

end

.urls_to_links(html) ⇒ Object

Creates <a> tags for all urls. IMPORTANT: make sure you’ve used #urls_to_images method first if you wanted all images urls to become <img> tags.



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# File 'lib/rad/lib/text_utils.rb', line 294

def urls_to_links html
  # becouse it finds only one url in such string "http://some_domain.com http://some_domain.com" we need to aply it twice
  regexp, sub = /(\s|^|\A|\n|\t|\r)(http:\/\/.*?)([,.])?(\s|$|\n|\Z|\t|\r|<)/, '\1<a href="\2">\2</a>\3\4'
  html = html.gsub regexp, sub
  html.gsub regexp, sub
  html
end