Class: CSSes

Inherits:
Object
  • Object
show all
Defined in:
lib/csses.rb

Overview

The CSSes class takes some files, figures out what HTML is referenced or generated in them, and puts those all into an array called elements.

Constant Summary collapse

VERSION = 
'1.0.0'
UNFASHIONABLE_ELEMENTS = 
%w(html head meta title)
RAILS_HELPERS = 
{ /\blink_to\w*\b/ => 'a',
/\bimage_tag\b/ => 'img',
/\blabel\b/ => 'label',
/\bform(?:_(?:for|tag))\b/ => 'form',
/\btext_area(?:_tag)?\b/ => 'textarea',
/\btext_field(?:_tag)?\b/ => 'input',
/\bcheck_box_tag\b/ => 'input',
/\bfield_set_tag\b/ => 'fieldset',
/\bfile_field_tag\b/ => 'input',
/\bimage_submit_tag\b/ => 'input',
/\bpassword_field_tag\b/ => 'input',
/\bradio_button_tag\b/ => 'input',
/\bselect_tag\b/ => 'select',
/\bsubmit_tag\b/ => 'input' }
RAILS_HTML_ID_OR_CLASS = 
/(?::(id|class))\s*=>\s*['"](\w+)['"]/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(files) ⇒ CSSes

Give it a list of files as an array (not splatted), get back, well, a CSS object, but one with an array of CSS elements as an attribute.



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# File 'lib/csses.rb', line 31

def initialize(files)
  @elements = []
  files.each do |file|
    source = File.read(file)
    @elements << source.scan(/<(\w+)/)
    source.scan(/<(\w+)\s+[^>]*(class|id)="(\w+)"/).each do |elem|
      @elements << "#{elem[0]}#{css_sym_for_attribute(elem[1])}#{elem[2]}"
    end
    RAILS_HELPERS.each do |regex, tag|
      source.scan(/#{regex}.*/).each do |line|
        if line.match(RAILS_HTML_ID_OR_CLASS)
          @elements << "#{tag}#{css_sym_for_attribute($1)}#{$2}"
        end
        @elements << tag
      end
    end
  end
  
  @elements.flatten!
  @elements.uniq!
  @elements.sort!
  @elements -= UNFASHIONABLE_ELEMENTS
  
  apply_pseudo_classes!
end

Instance Attribute Details

#elements ⇒ Object (readonly)

Returns the value of attribute elements.



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# File 'lib/csses.rb', line 27

def elements
  @elements
end