Class: AsciidoctorDitaTopic::Cli

Inherits:
Object
  • Object
show all
Defined in:
lib/dita-topic/cli.rb

Instance Method Summary collapse

Constructor Details

#initialize(name, argv) ⇒ Cli

Returns a new instance of Cli.



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# File 'lib/dita-topic/cli.rb', line 33

def initialize name, argv
  @attr = ['experimental']
  @opts = {
    :output => false,
    :standalone => true,
    :modules => true,
    :no_includes => 0
  }
  @prep = []
  @name = name
  @args = self.parse_args argv
end

Instance Method Details

#convert_topic(input, base_dir) ⇒ Object 



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# File 'lib/dita-topic/cli.rb', line 133

def convert_topic input, base_dir
  if not @opts[:modules]
    Asciidoctor::Extensions.register do
      include_processor FilterIncludeDirectives
    end
  end
  return Asciidoctor.convert input, backend: 'dita-topic', standalone: @opts[:standalone], safe: :unsafe, attributes: @attr, base_dir: base_dir
end

#parse_args(argv) ⇒ Object 



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# File 'lib/dita-topic/cli.rb', line 46

def parse_args argv
  parser = OptionParser.new do |opt|
    opt.banner  = "Usage: #{@name} [OPTION...] [FILE...]\n"
    opt.banner += "       #{@name} -h|-v\n\n"

    opt.on('-o', '--out-file FILE', 'specify the output file; by default, the output file name is based on the input file') do |output|
      @opts[:output] = (output.strip == '-') ? $stdout : output
    end

    opt.on('-a', '--attribute ATTRIBUTE', 'set a document attribute in the form of name, name!, or name=value pair; can be supplied multiple times') do |value|
      @attr.append value
    end

    opt.on('-s', '--no-header-footer', 'disable enclosing the content in <topic> and generating <title>') do
      @opts[:standalone] = false
    end

    opt.separator ''

    opt.on('-p', '--prepend-file FILE', 'prepend a file to all input files; can be supplied multiple times') do |file|
      raise OptionParser::InvalidArgument, "not a file: #{file}" unless File.exist? file and File.file? file
      raise OptionParser::InvalidArgument, "file not readable: #{file}" unless File.readable? file

      @prep.append file
    end

    opt.on('-I', '--no-includes', 'disable processing of include directives; specify this option twice to also apply on prepended files') do
      @opts[:no_includes] += 1
    end

    opt.on('-A', '--no-modules', 'disable processing of include directives with assemblies and modules') do
      @opts[:modules] = false
    end

    opt.separator ''

    opt.on('-l', '--author-line', 'enable processing of author lines as metadata') do
      @attr.append 'dita-topic-authors=on'
    end

    opt.on('-t', '--section-type', 'add content type as outputclass to sections') do
      @attr.append 'dita-topic-type=on'
    end

    opt.on('-C', '--no-callouts', 'disable processing of callouts') do
      @attr.append 'dita-topic-callouts=off'
    end

    opt.on('-M', '--no-semantic-markup', 'disable processing of semantic markup') do
      @attr.append 'dita-topic-semantic=off'
    end

    opt.on('-S', '--no-sidebars', 'disable processing of sidebars') do
      @attr.append 'dita-topic-sidebars=off'
    end

    opt.on('-T', '--no-titles', 'disable processing of floating titles') do
      @attr.append 'dita-topic-titles=off'
    end

    opt.separator ''

    opt.on('-h', '--help', 'display this help and exit') do
      puts opt
      exit
    end

    opt.on('-v', '--version', 'display version information and exit') do
      puts "#{@name} #{VERSION}"
      exit
    end
  end

  args = parser.parse argv

  if args.length == 0 or args[0].strip == '-'
    return [$stdin]
  end

  args.each do |file|
    raise OptionParser::InvalidArgument, "not a file: #{file}" unless File.exist? file and File.file? file
    raise OptionParser::InvalidArgument, "file not readable: #{file}" unless File.readable? file
  end

  return args
end

#run ⇒ Object 



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# File 'lib/dita-topic/cli.rb', line 142

def run
  prepended = ''

  @prep.each do |file|
    prepended << File.read(file)
    prepended << "\n"
  end

  @args.each do |file|
    if file == $stdin
      base_dir = Pathname.new(Dir.pwd).expand_path
      input    = $stdin.read
      output   = @opts[:output] ? @opts[:output] : $stdout
    else
      base_dir = Pathname.new(file).dirname.expand_path
      input    = File.read(file)
      output   = @opts[:output] ? @opts[:output] : Pathname.new(file).sub_ext('.dita').to_s
    end

    prepended.gsub!(/^:_(?:mod-docs-content|content|module)-type:[ \t]+\S/, '//\&')
    prepended.gsub!(Asciidoctor::IncludeDirectiveRx, '//\&') if @opts[:no_includes] > 1
    input.gsub!(Asciidoctor::IncludeDirectiveRx, '//\&') if @opts[:no_includes] > 0

    result = convert_topic prepended + input, base_dir

    result.gsub!(/<ph (?:(?:platform|product|audience|otherprops)="[^"]+" ?)+><\/ph> */, '')

    if output == $stdout
      $stdout.write result
    else
      File.write output, result
    end
  end
end