Class: Jekyll::ResponsiveImage::Tag

Inherits:
Liquid::Tag
  • Object
show all
Includes:
Common
Defined in:
lib/jekyll/responsive_image/tag.rb

Instance Method Summary collapse

Methods included from Common

#make_config

Methods included from Utils

#format_output_path, #image_hash, #relative_dirname, #symbolize_keys

Constructor Details

#initialize(tag_name, markup, tokens) ⇒ Tag

Returns a new instance of Tag.



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# File 'lib/jekyll/responsive_image/tag.rb', line 6

def initialize(tag_name, markup, tokens)
  super

  @attributes = {}

  markup.scan(::Liquid::TagAttributes) do |key, value|
    # Strip quotes from around attribute values
    @attributes[key] = value.gsub(/^['"]|['"]$/, '')
  end
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/jekyll/responsive_image/tag.rb', line 17

def render(context)
  cache_key = @attributes.to_s
  result = @attributes['cache'] ? RenderCache.get(cache_key) : nil

  if result.nil?
    site = context.registers[:site]
    config = make_config(site)

    image = ImageProcessor.process(@attributes['path'], config)
    @attributes['original'] = image[:original]
    @attributes['resized'] = image[:resized]

    image_template = @attributes['template'] || config['template']

    partial = File.read(image_template)
    template = Liquid::Template.parse(partial)

    result = template.render!(@attributes.merge(site.site_payload))

    RenderCache.set(cache_key, result)
  end

  result
end