Class: Wovnrb::MetaReplacer

Inherits:
ReplacerBase show all
Defined in:
lib/wovnrb/html_replacers/meta_replacer.rb

Instance Method Summary collapse

Constructor Details

#initialize(store, text_index, pattern = nil, headers = nil) ⇒ MetaReplacer

Returns a new instance of MetaReplacer.



3
4
5
6
7
8
 
# File 'lib/wovnrb/html_replacers/meta_replacer.rb', line 3

def initialize(store, text_index, pattern = nil, headers = nil)
  super(store)
  @text_index = text_index
  @pattern = pattern
  @headers = headers
end

Instance Method Details

#replace(dom, lang) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/wovnrb/html_replacers/meta_replacer.rb', line 10

def replace(dom, lang)
  dom.xpath('//meta').select { |node|
    next if wovn_ignore?(node)
    (node.get_attribute('name') || node.get_attribute('property') || '') =~ /^(description|title|og:title|og:description|og:url|twitter:title|twitter:description)$/
  }.each do |node|
    node_content = node.get_attribute('content').strip
    if @headers && @pattern && node.get_attribute('property') && node.get_attribute('property') === 'og:url'
      new_url = lang.add_lang_code(node_content, @pattern, @headers)
      node.set_attribute('content', new_url)
      next
    end
    # shouldn't need size check, but for now...
    if @text_index[node_content] && @text_index[node_content][lang.lang_code] && @text_index[node_content][lang.lang_code].size > 0
      node.set_attribute('content', replace_text(node.get_attribute('content'), @text_index[node_content][lang.lang_code][0]['data']))
    end
  end
end