Class: Fuse::Document::Asset::StyleSheet::Conditional

Inherits:
Object
  • Object
show all
Defined in:
lib/fuse/document/asset/style_sheet.rb

Constant Summary collapse

CONDITIONAL_PATTERN = 
/\((!|[lg]te?\s+)?ie(\s*\d+)?\)(?:\.[a-z]+$|\s*\()/i

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(style_sheet) ⇒ Conditional

Returns a new instance of Conditional.



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# File 'lib/fuse/document/asset/style_sheet.rb', line 57

def initialize(style_sheet)
  match = CONDITIONAL_PATTERN.match(style_sheet.path)
  return unless match
  @comparison = (match[1] || '').strip.downcase
  @version = match[2].strip.to_i unless match[2].nil?
end

Instance Attribute Details

#comparison ⇒ Object (readonly)

Returns the value of attribute comparison.



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# File 'lib/fuse/document/asset/style_sheet.rb', line 55

def comparison
  @comparison
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/fuse/document/asset/style_sheet.rb', line 55

def version
  @version
end

Instance Method Details

#signature ⇒ Object 



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# File 'lib/fuse/document/asset/style_sheet.rb', line 74

def signature
  @signature ||= begin
    ret = (comparison.nil? || comparison.empty?) ? 'IE' : comparison + ' IE'
    ret << ' ' + version.to_s if version
  end
end

#wrap(content) ⇒ Object 



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# File 'lib/fuse/document/asset/style_sheet.rb', line 64

def wrap(content)
  if comparison == '!'
    "<!--[if !IE]> -->#{content}<!-- <![endif]-->"
  elsif comparison
    "<!--[if #{signature}]>#{content}<![endif]-->"
  else
    content
  end
end