Class: Glimmer::CSS::CSSToGlimmerConverter

Inherits:
Object
  • Object
show all
Includes:
CssParser
Defined in:
lib/glimmer/css/css_to_glimmer_converter.rb

Constant Summary collapse

RULE_KEYWORDS = 
%w[rule rul ru r s _]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rule_keyword: 'rule') ⇒ CSSToGlimmerConverter

Returns a new instance of CSSToGlimmerConverter.



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# File 'lib/glimmer/css/css_to_glimmer_converter.rb', line 35

def initialize(rule_keyword: 'rule')
  @rule_keyword = rule_keyword.to_s
  validate_rule_keyword
end

Instance Attribute Details

#rule_keyword ⇒ Object (readonly)

This option specifies if we want to use the default rule keyword or an alias like rul or r



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# File 'lib/glimmer/css/css_to_glimmer_converter.rb', line 33

def rule_keyword
  @rule_keyword
end

Instance Method Details

#convert(css) ⇒ Object 



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# File 'lib/glimmer/css/css_to_glimmer_converter.rb', line 40

def convert(css)
  glimmer = ''
  glimmer += "require 'glimmer-dsl-css'\n\n"
  glimmer += "include Glimmer\n\n"
  glimmer += "style_sheet = css {\n"
  glimmer += convert_css(css).lines.map { |line| "  #{line}" }.join
  glimmer += "}\n\n"
  glimmer += "puts style_sheet.to_s\n"
end

#minify(css) ⇒ Object 



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# File 'lib/glimmer/css/css_to_glimmer_converter.rb', line 50

def minify(css)
  CSSMinifier.instance.convert(css)
end

#remove_charset(css) ⇒ Object 



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# File 'lib/glimmer/css/css_to_glimmer_converter.rb', line 54

def remove_charset(css)
  css.sub(/@charset[^;]*;/, '')
end

#remove_comments(css) ⇒ Object 



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# File 'lib/glimmer/css/css_to_glimmer_converter.rb', line 58

def remove_comments(css)
  output = ''
  comment = false
  current_two_characters = [];
  css.chars.each do |character|
    output << character if !comment
    current_two_characters.shift if current_two_characters.size == 2
    current_two_characters << character
    if !comment && current_two_characters.join == '/*'
      comment = true
      output = output[0...-2]
    elsif comment && current_two_characters.join == '*/'
      comment = false
    end
  end
  output
end