Class: HtmlFormatter::HtmlParser

Inherits:
Parser
  • Object
show all
Defined in:
lib/htmlformatter/html_parser.rb

Constant Summary collapse

ELEMENT_CONTENT = 
%r{ (?:<%.*?%>|[^>])* }mx
HTML_VOID_ELEMENTS = 
%r{(?:
  area | base | br | col | command | embed | hr | img | input | keygen |
  link | meta | param | source | track | wbr
)}mix
HTML_BLOCK_ELEMENTS = 
%r{(?:
  address | article | aside | audio | blockquote | canvas | dd | dir | div |
  dl | dt | fieldset | figcaption | figure | footer | form | h1 | h2 | h3 |
  h4 | h5 | h6 | header | hr | li | menu | noframes | noscript | ol | p |
  pre | section | span | table | tbody | td | tfoot | th | thead | tr | ul | video
)}mix
MAPPINGS = 
[
      [%r{(<%-?=?)(.*?)(-?%>)}om,
:embed],
      [%r{<!--\[.*?\]>}om,
:open_ie_cc],
      [%r{<!\[.*?\]-->}om,
:close_ie_cc],
      [%r{<!--.*?-->}om,
:standalone_element],
      [%r{<!.*?>}om,
:standalone_element],
      [%r{(<script#{ELEMENT_CONTENT}>)(.*?)(</script>)}omi,
:foreign_block],
      [%r{(<style#{ELEMENT_CONTENT}>)(.*?)(</style>)}omi,
:foreign_block],
      [%r{(<pre#{ELEMENT_CONTENT}>)(.*?)(</pre>)}omi,
:preformatted_block],
      [%r{(<textarea#{ELEMENT_CONTENT}>)(.*?)(</textarea>)}omi,
:preformatted_block],
      [%r{<#{HTML_VOID_ELEMENTS}(?: #{ELEMENT_CONTENT})?/?>}om,
:standalone_element],
      [%r{</#{HTML_BLOCK_ELEMENTS}>}om,
:close_block_element],
      [%r{<#{HTML_BLOCK_ELEMENTS}(?: #{ELEMENT_CONTENT})?>}om,
:open_block_element],
      [%r{</#{ELEMENT_CONTENT}>}om,
:close_element],
      [%r{<#{ELEMENT_CONTENT}[^/]>}om,
:open_element],
      [%r{<\w+(?: #{ELEMENT_CONTENT})?/>}om,
:standalone_element],
      [%r{(\s*\r?\n\s*)+}om,
:new_lines],
      [%r{[^<\n]+},
:text]]

Instance Method Summary collapse

Methods inherited from Parser

#map, #scan, #source_line_number, #source_so_far

Constructor Details

#initialize ⇒ HtmlParser

Returns a new instance of HtmlParser.



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# File 'lib/htmlformatter/html_parser.rb', line 53

def initialize
  super do |p|
    MAPPINGS.each do |regexp, method|
      p.map regexp, method
    end
  end
end