Module: CssConvertor::Convertor

Defined in:
lib/css_convertor/convertor.rb

Constant Summary collapse

PROPERTY_MAP = 
{
  'margin-left'=> 'margin-right',
  'margin-right'=> 'margin-left',

  'padding-left'=> 'padding-right',
  'padding-right'=> 'padding-left',

  'border-left'=> 'border-right',
  'border-right'=> 'border-left',

  'border-left-width'=> 'border-right-width',
  'border-right-width'=> 'border-left-width',

  'border-left-color'=> 'border-right-color',
  'border-right-color'=> 'border-left-color',

  'border-left-style'=> 'border-right-style',
  'border-right-style'=> 'border-left-style',

  'border-radius-bottomleft'=> 'border-radius-bottomright',
  'border-radius-bottomright'=> 'border-radius-bottomleft',
  'border-bottom-right-radius'=> 'border-bottom-left-radius',
  'border-bottom-left-radius'=> 'border-bottom-right-radius',
  '-webkit-border-bottom-right-radius'=> '-webkit-border-bottom-left-radius',
  '-webkit-border-bottom-left-radius'=> '-webkit-border-bottom-right-radius',
  '-moz-border-radius-bottomright'=> '-moz-border-radius-bottomleft',
  '-moz-border-radius-bottomleft'=> '-moz-border-radius-bottomright',

  'border-radius-topleft'=> 'border-radius-topright',
  'border-radius-topright'=> 'border-radius-topleft',
  'border-top-right-radius'=> 'border-top-left-radius',
  'border-top-left-radius'=> 'border-top-right-radius',
  '-webkit-border-top-right-radius'=> '-webkit-border-top-left-radius',
  '-webkit-border-top-left-radius'=> '-webkit-border-top-right-radius',
  '-moz-border-radius-topright'=> '-moz-border-radius-topleft',
  '-moz-border-radius-topleft'=> '-moz-border-radius-topright',

  'left'=> 'right',
  'right'=> 'left'
}
FLIP_MAP = 
{'rtl'=>'ltr', 'ltr'=>'rtl', 'right'=>'left', 'left'=>'right'}
VALUE_MAP = 
{
  'padding'=> :quad,
  'margin'=> :quad,
  'border-color'=> :quad, 
  'border-width'=> :quad, 
  'border-style'=> :quad,
  '-webkit-border-radius' => :quad_radius,
  '-moz-border-radius'=> :quad_radius,
  'border-radius'=> :quad_radius,
  'text-align'=> :direction, 
  'float'=> :direction,
  'clear'=> :direction,
  'direction'=> :direction
}

Instance Method Summary collapse

Instance Method Details

#get_actual_value(value) ⇒ Object 



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# File 'lib/css_convertor/convertor.rb', line 83

def get_actual_value(value)
  match_data = %r{(.+?) ?(?=!important|\\9|\\0/)}.match(value)
  match_data ? match_data[1] : value
end

#new_value(type, value) ⇒ Object 



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# File 'lib/css_convertor/convertor.rb', line 67

def new_value(type, value)
  full_value = value
  value = get_actual_value(value)
  arr = split_property_value(value)

  if type==:direction && FLIP_MAP[value]
    full_value.gsub!(/#{Regexp.escape(value)}/, FLIP_MAP[value])
  elsif type==:quad && arr.length==4
    arr[1], arr[3] = arr[3], arr[1]
    full_value.gsub!(/#{Regexp.escape(value)}/, arr.join(' '))
  elsif type==:quad_radius && arr.length==4
    arr[0], arr[1], arr[2], arr[3] = arr[1], arr[0], arr[3], arr[2]
    full_value.gsub!(/#{Regexp.escape(value)}/, arr.join(' '))
  end
  full_value
end

#property(property_name) ⇒ Object 



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# File 'lib/css_convertor/convertor.rb', line 61

def property(property_name)
  PROPERTY_MAP[property_name] || property_name
end

#scan_and_replace(str) ⇒ Object 



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# File 'lib/css_convertor/convertor.rb', line 58

def scan_and_replace(str)
  str.gsub(/([a-z\-]+)\s*:\s*(.+?)(?=\s*[;}])/) {"#{property($1)}:#{value($1, $2)}"}
end

#split_property_value(value) ⇒ Object 



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# File 'lib/css_convertor/convertor.rb', line 87

def split_property_value(value)
  value.scan(/rgba?\(.*?\)|hsla?\(.*?\)|#[0-9a-f]{3,6}|[\w.%-]+/)
end

#value(property_name, property_value) ⇒ Object 



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# File 'lib/css_convertor/convertor.rb', line 64

def value(property_name, property_value)
  VALUE_MAP[property_name] ? new_value(VALUE_MAP[property_name], property_value) : property_value 
end