Class: ReVIEW::MakerHelper

Inherits:
Object show all
Defined in:
lib/review/makerhelper.rb

Class Method Summary collapse

Class Method Details

.copy_images_to_dir(from_dir, to_dir, options = {}) ⇒ Object

Copy image files under from_dir to to_dir recursively

Args

from_dir

path to the directory which has image files to be copied

to_dir

path to the directory to which the image files are copied

options

used to specify optional operations during copy

Returns

list of image files

Options

:convert

Conversion rule

Examples

copy_images_to_dir("/path/to/foo", "/path/to/bar", :convert => {:eps => :png})

Image files are copied recursively, and each ‘.eps’ file is converted into ‘.eps.png’



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# File 'lib/review/makerhelper.rb', line 30

def self.copy_images_to_dir(from_dir, to_dir, options = {})
  image_files = []

  Dir.open(from_dir) do |dir|
    dir.each do |fname|
      next if fname =~ /^\./
      if FileTest.directory?("#{from_dir}/#{fname}")
        image_files += copy_images_to_dir("#{from_dir}/#{fname}", "#{to_dir}/#{fname}")
      else
        Dir.mkdir(to_dir) unless File.exist?(to_dir)

        is_converted = false
        (options[:convert] || {}).each do |orig_type, conv_type|
          next unless /\.#{orig_type}$/ =~ fname
          is_converted = system("convert #{from_dir}/#{fname} #{to_dir}/#{fname}.#{conv_type}")
          image_files << "#{from_dir}/#{fname}.#{conv_type}"
        end

        if !is_converted && fname =~ /\.(png|gif|jpg|jpeg|svg|pdf|eps)$/i
          FileUtils.cp "#{from_dir}/#{fname}", to_dir
          image_files << "#{from_dir}/#{fname}"
        end
      end
    end
  end

  image_files
end