Class: Syntax::CssTokenizer

Inherits:
Tokenizer show all
Defined in:
lib/zena/code/default_syntax.rb

Instance Method Summary collapse

Instance Method Details

#step ⇒ Object 



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# File 'lib/zena/code/default_syntax.rb', line 213

def step
  if comments = scan(/\s*\/\*.*?\*\/\s*/m)
    start_group :comment, comments
  elsif variables = scan(/[^\{]*?\{[^\}]*?\}/m)
    variables =~ /(\s*)([^\{]*?)\{([^\}]*?)\}/m
    start_group :normal, $1
    vars = $3
    selectors = $2.split(',').map { |s| s.strip }
    selectors.each_index do |i|
      selectors[i].gsub('.','|.').gsub('#','|#').split('|').each do |g|
        g = g.split(' ')
        g.each do |s|
          if s[0..0] == '#'
            start_group :id, s
          elsif s[0..0] == '.'
            start_group :class, s
          else
            start_group :tag, s
          end
          start_group :normal, ' '
        end
      end
      unless i == selectors.size - 1
        start_group :punct, ', '
      end
    end
    start_group :punct, '{ '

    rest = vars
    while rest != '' && rest =~ /([\w-]+)\s*:\s*(.*?)\s*;(.*)/m
      start_group :variable, $1
      start_group :punct, ':'
      start_group :normal, $2
      start_group :punct, '; '
      rest = $3
    end
    start_group :punct, "#{rest}}"
  else
    start_group :normal, scan(/./m)
  end
end