Sha256: e8d13e65bd05396eeaec20d250f3bfb51cf56ae7430a5f27f8722fb5238d75e2

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Versions: 10

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Contents

module Rabbit
  module Parser
    module Ext
      module BlockDiag
        include GetText

        module_function
        AVAILABLE_FLAG_OPTIONS = ["antialias"]
        # "font" is treated as specially.
        AVAILABLE_VALUE_OPTIONS = []
        def make_image(path, prop, logger)
          image_file = Tempfile.new("rabbit-image-blockdiag")
          command = [
            "blockdiag",
            "-T", "svg",
            "-o", image_file.path,
          ]
          font = find_font(prop)
          command.concat(["-f", font]) if font
          AVAILABLE_FLAG_OPTIONS.each do |name|
            command << "--#{name}" if /\A(?:true|yes)\z/i =~ prop[name].to_s
          end
          AVAILABLE_VALUE_OPTIONS.each do |name|
            command.concat(["--#{name}", prop[name]]) if prop.has_key?(name)
          end
          command << path
          if SystemRunner.run(*command)
            image_file
          else
            format = _("tried blockdiag command: %s")
            additional_info = format % command.inspect
            raise BlockDiagCanNotHandleError.new(command.join(' '),
                                                 additional_info)
          end
        end

        def find_font(prop)
          font = prop["font"]
          return font if font and File.exist?(font)
          fonts = prop["fonts"]
          return nil if fonts.nil?
          fonts = fonts.split(/\s*,\s*/) if fonts.is_a?(String)
          fonts.find do |font|
            File.exist?(font)
          end
        end
      end
    end
  end
end

Version data entries

10 entries across 10 versions & 1 rubygems

Version Path
rabbit-3.0.1 lib/rabbit/parser/ext/blockdiag.rb
rabbit-3.0.0 lib/rabbit/parser/ext/blockdiag.rb
rabbit-2.2.1 lib/rabbit/parser/ext/blockdiag.rb
rabbit-2.2.0 lib/rabbit/parser/ext/blockdiag.rb
rabbit-2.1.9 lib/rabbit/parser/ext/blockdiag.rb
rabbit-2.1.8 lib/rabbit/parser/ext/blockdiag.rb
rabbit-2.1.7 lib/rabbit/parser/ext/blockdiag.rb
rabbit-2.1.6 lib/rabbit/parser/ext/blockdiag.rb
rabbit-2.1.5 lib/rabbit/parser/ext/blockdiag.rb
rabbit-2.1.4 lib/rabbit/parser/ext/blockdiag.rb