Class: EvilIcons::Generator

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

Instance Method Summary collapse

Constructor Details

#initialize(svg_path) ⇒ Generator

Returns a new instance of Generator.



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# File 'lib/evil_icons/generator.rb', line 8

def initialize(svg_path)
  @svg_path       = svg_path
  @templates_dir  = File.expand_path('../../templates', __FILE__)
end

Instance Method Details

#files ⇒ Object 



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# File 'lib/evil_icons/generator.rb', line 13

def files
  @_files ||= begin
    Dir.entries(@svg_path).select { |f| File.extname(f) == '.svg' }
  end
end

#icons ⇒ Object 



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# File 'lib/evil_icons/generator.rb', line 24

def icons
  files.map do |name|
    file        = read_svg(name)
    optimized   = SvgOptimizer.optimize(file)
    doc         = Nokogiri::HTML::DocumentFragment.parse(optimized)

    svg         = doc.at_css('svg')
    viewbox     = svg['viewbox']
    g           = svg.search('g')
    container   = g.empty? ? svg : g

    shape       = container.children.map {|c| c.to_s}.join('')
    name        = File.basename(name, '.svg')

    { name: name, viewbox: viewbox, shape: shape }
  end
end

#optimize(svg) ⇒ Object 



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# File 'lib/evil_icons/generator.rb', line 42

def optimize(svg)
  svg.gsub(/$\s+/, '')
end

#read_svg(filename) ⇒ Object 



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# File 'lib/evil_icons/generator.rb', line 19

def read_svg(filename)
  file = File.join(@svg_path, filename)
  File.read(file)
end

#sprite(template) ⇒ Object 



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# File 'lib/evil_icons/generator.rb', line 46

def sprite(template)
  view    = File.read File.join(@templates_dir, "#{template}.erb")
  result  = ERB.new(view).result(binding)
  template == 'icons' ? optimize(result) : result
end

#write(sprite_path, template) ⇒ Object 



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# File 'lib/evil_icons/generator.rb', line 52

def write(sprite_path, template)
  file = File.new(sprite_path, 'w')
  file.write sprite(template)
  file.close
end