Class: Ckeditor::Rails::AssetUrlProcessor

Inherits:
Object
  • Object
show all
Defined in:
lib/ckeditor-rails/asset_url_processor.rb

Overview

Rewrites urls in CSS files with the digested paths

Constant Summary collapse

REGEX = 
/url\(\s*["']?(?!(?:\#|data|http))([^"'\s)]+)\s*["']?\)/

Class Method Summary collapse

Class Method Details

.assets_base_path(context = nil) ⇒ Object 



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# File 'lib/ckeditor-rails/asset_url_processor.rb', line 11

def self.assets_base_path(context = nil)
  return ::Ckeditor::Rails.assets_base_path unless context

  "#{context.assets_prefix}/ckeditor"
end

.call(input) ⇒ Object 



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# File 'lib/ckeditor-rails/asset_url_processor.rb', line 17

def self.call(input)
  return { data: input[:data] } unless stylesheet_files.include?(input[:filename])

  context = input[:environment].context_class.new(input)
  path_prefix = assets_base_path()
  matched_folders = input[:filename].match(/\/ckeditor\/(plugins|skins)\/([\w-]+)\//)

  data = input[:data].gsub(REGEX) { |_match|
    raw_asset_path = context.asset_path($1)
    if raw_asset_path.starts_with?(path_prefix)
      "url(#{raw_asset_path})"
    elsif matched_folders
      "url(#{path_prefix}/#{matched_folders[1]}/#{matched_folders[2]}#{raw_asset_path.gsub('/..', '')})"
    else
      "url(#{path_prefix}#{raw_asset_path})"
    end
  }

  { data: data }
end

.stylesheet_files ⇒ Object 



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# File 'lib/ckeditor-rails/asset_url_processor.rb', line 7

def self.stylesheet_files
  @stylesheet_files ||= ::Ckeditor::Rails::Asset.new.stylesheet_files
end