module YARD::Templates::Helpers::HtmlHelper

def detect_lang_in_codeblock_attributes(pre_html_attrs, code_html_attrs)

Returns:
  • (String, nil) - detected programming language

Parameters:
  • code_html_attrs (String, nil) -- HTML attribute list of +code+
  • pre_html_attrs (String, nil) -- HTML attribute list of +pre+ element 
def detect_lang_in_codeblock_attributes(pre_html_attrs, code_html_attrs)
  detected = nil
  detected ||= (/\bdata-lang="(.+?)"/ =~ code_html_attrs && $1)
  detected ||= (/\blang="(.+?)"/ =~ pre_html_attrs && $1)
  detected ||= (/\bclass="(.+?)"/ =~ code_html_attrs && $1)
  detected
end