Class: JsDuck::App

Inherits:
Object
  • Object
show all
Defined in:
lib/jsduck/app.rb

Overview

The main application logic of jsduck

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ App

Initializes app with JsDuck::Options object



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# File 'lib/jsduck/app.rb', line 34

def initialize(opts)
  @opts = opts
  # Sets the nr of parallel processes to use.
  # Set to 0 to disable parallelization completely.
  @parallel = ParallelWrap.new(:in_processes => @opts.processes)
  # Turn JSON pretty-printing on/off
  JsonDuck.pretty = @opts.pretty_json
end

Instance Method Details

#aggregate(parsed_files) ⇒ Object

Aggregates parsing results sequencially



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# File 'lib/jsduck/app.rb', line 117

def aggregate(parsed_files)
  agr = Aggregator.new
  parsed_files.each do |file|
    Logger.instance.log("Aggregating", file.filename)
    agr.aggregate(file)
  end
  agr.classify_orphans
  agr.create_global_class
  agr.remove_ignored_classes
  agr.create_accessors
  agr.append_ext4_event_options
  agr.result
end

#filter_classes(docs) ⇒ Object

Turns all aggregated data into Class objects. Depending on –ignore-global either keeps or discards the global class. Warnings for global members are printed regardless of that setting, but of course can be turned off using –warnings=-global



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# File 'lib/jsduck/app.rb', line 135

def filter_classes(docs)
  classes = []
  docs.each do |d|
    cls = Class.new(d)
    if d[:name] != "global"
      classes << cls
    else
      # add global class only if --ignore-global not specified
      classes << cls unless @opts.ignore_global

      # Print warning for each global member
      cls.all_local_members.each do |m|
        type = m[:tagname].to_s
        name = m[:name]
        file = m[:files][0]
        Logger.instance.warn(:global, "Global #{type}: #{name}", file[:filename], file[:linenr])
      end
    end
  end
  Relations.new(classes, @opts.external_classes)
end

#format_classes ⇒ Object

Formats each class



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# File 'lib/jsduck/app.rb', line 158

def format_classes
  doc_formatter = DocFormatter.new(@relations, @opts)
  doc_formatter.img_path = "images"
  class_formatter = ClassFormatter.new(@relations, doc_formatter)
  # Don't format types when exporting
  class_formatter.include_types = !@opts.export
  # Format all doc-objects in parallel
  formatted_classes = @parallel.map(@relations.classes) do |cls|
    Logger.instance.log("Markdown formatting #{cls[:name]}")
    begin
      {
        :doc => class_formatter.format(cls.internal_doc),
        :images => doc_formatter.images
      }
    rescue
      Logger.instance.fatal("Error while formatting #{cls[:name]}", $!)
      exit(1)
    end
  end
  # Then merge the data back to classes sequentially
  formatted_classes.each do |cls|
    @relations[cls[:doc][:name]].internal_doc = cls[:doc]
    cls[:images].each {|img| @assets.images.add(img) }
  end
end

#parallel_parse(filenames) ⇒ Object

Parses the files in parallel using as many processes as available CPU-s



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# File 'lib/jsduck/app.rb', line 104

def parallel_parse(filenames)
  @parallel.map(filenames) do |fname|
    Logger.instance.log("Parsing", fname)
    begin
      SourceFile.new(JsDuck::IO.read(fname), fname, @opts)
    rescue
      Logger.instance.fatal("Error while parsing #{fname}", $!)
      exit(1)
    end
  end
end

#run ⇒ Object

Call this after input parameters set



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# File 'lib/jsduck/app.rb', line 44

def run
  parsed_files = parallel_parse(@opts.input_files)
  result = aggregate(parsed_files)
  @relations = filter_classes(result)
  InheritDoc.new(@relations).resolve_all
  Lint.new(@relations).run

  # Initialize guides, videos, examples, ...
  @assets = Assets.new(@relations, @opts)

  # Give access to assets from all meta-tags
  MetaTagRegistry.instance.assets = @assets

  if @opts.export
    format_classes
    FileUtils.rm_rf(@opts.output_dir) unless @opts.output_dir == :stdout
    exporters = {
      :full => FullExporter,
      :api => ApiExporter,
      :examples => ExamplesExporter,
    }
    cw = ClassWriter.new(exporters[@opts.export], @relations, @opts)
    cw.write(@opts.output_dir, ".json")
    if @opts.export == :examples
      gw = GuideWriter.new(exporters[@opts.export], @assets.guides, @opts)
      gw.write(@opts.output_dir, ".json")
    end
    Stdout.instance.flush
  else
    FileUtils.rm_rf(@opts.output_dir)
    TemplateDir.new(@opts).write

    IndexHtml.new(@assets, @opts).write

    AppData.new(@relations, @assets, @opts).write(@opts.output_dir+"/data.js")

    # class-formatting is done in parallel which breaks the links
    # between source files and classes. Therefore it MUST to be done
    # after writing sources which needs the links to work.
    if @opts.source
      source_writer = SourceWriter.new(parsed_files, @parallel)
      source_writer.write(@opts.output_dir + "/source")
    end
    format_classes

    if @opts.tests
      examples = InlineExamples.new
      examples.add_classes(@relations)
      examples.add_guides(@assets.guides)
      examples.write(@opts.output_dir+"/inline-examples.js")
    end

    cw = ClassWriter.new(AppExporter, @relations, @opts)
    cw.write(@opts.output_dir+"/output", ".js")

    @assets.write
  end
end