lib/asciidoctor/standoc/macros.rb in metanorma-standoc-1.3.17 vs lib/asciidoctor/standoc/macros.rb in metanorma-standoc-1.3.18

@@ -1,8 +1,9 @@
 require "asciidoctor/extensions"
 require "fileutils"
 require "uuidtools"
+require_relative "./macros_plantuml.rb"
 
 module Asciidoctor
   module Standoc
     class AltTermInlineMacro < Asciidoctor::Extensions::InlineMacroProcessor
       use_dsl
@@ -152,110 +153,9 @@
           para.lines[0].sub!(/^TODO: /, "")
           todo = Block.new parent, :admonition, attributes: para.attributes,
             source: para.lines, content_model: :compound
           parent.blocks[parent.blocks.index(para)] = todo
         end
-      end
-    end
-
-    class PlantUMLBlockMacroBackend
-      # https://stackoverflow.com/questions/2108727/which-in-ruby-checking-if-program-exists-in-path-from-ruby
-      def self.plantuml_installed?
-        cmd = "plantuml"
-        exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
-        ENV['PATH'].split(File::PATH_SEPARATOR).each do |path|
-          exts.each do |ext|
-            exe = File.join(path, "#{cmd}#{ext}")
-            return exe if File.executable?(exe) && !File.directory?(exe)
-          end
-        end
-        nil
-      end
-
-      def self.run umlfile, outfile
-        system "plantuml #{umlfile.path}" or (warn $? and return false)
-        i = 0
-        until !Gem.win_platform? || File.exist?(outfile) || i == 15
-          sleep(1)
-          i += 1
-        end
-        File.exist?(outfile)
-      end
-
-      # if no :imagesdir: leave image file in plantuml
-      # sleep need for windows because dot works in separate process and
-      # plantuml process may finish earlier then dot, as result png file
-      # maybe not created yet after plantuml finish
-      def self.generate_file parent, reader
-        localdir = Utils::localdir(parent.document)
-
-        imagesdir = parent.document.attr('imagesdir')
-        umlfile, outfile = save_plantuml parent, reader, localdir
-
-        # TODO: this should raise failure if there is no image output!!
-        run(umlfile, outfile) or return
-        umlfile.unlink
-
-        path = Pathname.new(localdir) + (imagesdir || "plantuml")
-        path.mkpath
-
-        # TODO: this should raise failure if the destination path already exists!
-        File.exist?(path) or return
-
-        # TODO: this should raise failure if the destination path is not writable!
-        File.writable?(path) or return
-
-        # Warning for Heisenbug: metanorma/metanorma-standoc#187
-        # Windows Ruby 2.4 will crash if a Tempfile is "mv"ed.
-        # This is why we need to copy and then unlink.
-        filename = File.basename(outfile.to_s)
-        FileUtils.cp(outfile, path) && outfile.unlink
-
-        imagesdir ? filename : File.join(path, filename)
-      end
-
-      def self.save_plantuml parent, reader, localdir
-        src = reader.source
-        reader.lines.first.sub(/\s+$/, "").match /^@startuml($| )/ or
-          src = "@startuml\n#{src}\n@enduml\n"
-        /^@startuml (?<fn>[^\n]+)\n/ =~ src
-        Tempfile.open(["plantuml", ".pml"], :encoding => "utf-8") do |f|
-          f.write(src)
-          [f, File.join(File.dirname(f.path),
-                        (fn || File.basename(f.path, ".pml")) + ".png")]
-        end
-      end
-
-      def self.generate_attrs attrs
-        through_attrs = %w(id align float title role width height alt).
-          inject({}) do |memo, key|
-          memo[key] = attrs[key] if attrs.has_key? key
-          memo
-        end
-      end
-    end
-
-    class PlantUMLBlockMacro < Asciidoctor::Extensions::BlockProcessor
-      use_dsl
-      named :plantuml
-      on_context :literal
-      parse_content_as :raw
-
-      def abort(parent, reader, attrs, msg)
-        # TODO: Abort should really raise an error
-        warn msg
-        attrs["language"] = "plantuml"
-        create_listing_block parent, reader.source, attrs.reject { |k, v| k == 1 }
-      end
-
-      def process(parent, reader, attrs)
-        PlantUMLBlockMacroBackend.plantuml_installed? or
-          return abort(parent, reader, attrs, "PlantUML not installed")
-        filename = PlantUMLBlockMacroBackend.generate_file(parent, reader) or
-          return abort(parent, reader, attrs, "Failed to process PlantUML")
-        through_attrs = PlantUMLBlockMacroBackend.generate_attrs attrs
-        through_attrs["target"] = filename
-        create_image_block parent, through_attrs
       end
     end
   end
 end