Class: Beamlet::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/beamlet/cli.rb

Class Method Summary collapse

Class Method Details

.parse(argv) ⇒ Object



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# File 'lib/beamlet/cli.rb', line 24

def self.parse(argv)
  opts = { mode: nil, items: [], enum_items: [] }

  parser = OptionParser.new do |o|
    o.banner = "Usage: beamlet [options]"

    o.on("-d", "--document", "Generate top-level document") do
      opts[:mode] = :document
    end
    o.on("-f", "--frame", "Generate a frame") do
      opts[:mode] = :frame
    end

    o.on("-T", "--title TITLE", "Document title")       { |v| opts[:title]  = v }
    o.on("-a", "--author AUTHOR", "Author")             { |v| opts[:author] = v }
    o.on("-i", "--date DATE", "Date")                   { |v| opts[:date]   = v }
    o.on("--theme THEME", "Beamer theme (default Madrid)") { |v| opts[:theme] = v }
    o.on("--[no-]titleframe", "Include title frame")    { |v| opts[:titleframe] = v }
    o.on("-P", "--part", "Generate a part slide") do
      opts[:mode] = :part
    end
    o.on("-p", "--part-title TITLE", "Part title") { |v| opts[:part_title] = v }
    o.on("-t", "--frame-title TITLE", "Frame title")    { |v| opts[:frame_title] = v }
    o.on("-s", "--splits N", Integer, "Split frame vertically into N columns") do |v|
      opts[:splits] = v
    end
    o.on("--fragile", "Mark frame as fragile (for verbatim/code)") { opts[:fragile] = true }
    o.on("--allowframebreaks", "Allow frame breaks")    { opts[:allowframebreaks] = true }

    o.on("-l", "--itemize A,B,C", Array, "Itemize list (left by default)") do |v|
      opts[:items] = v
    end
    o.on("-e", "--enumerate A,B,C", Array, "Enumerate list") do |v|
      opts[:enum_items] = v
    end
    o.on("-b", "--block TITLE", "Add a standard block") do |v|
      opts[:block_kind]  = "block"
      opts[:block_title] = v
      opts[:block_body]  = STDIN.tty? ? "contenu..." : $stdin.read.chomp
    end
    o.on("-A", "--alert TITLE", "Add an alertblock") do |v|
      opts[:block_kind]  = "alertblock"
      opts[:block_title] = v
      opts[:block_body]  = STDIN.tty? ? "attention !" : $stdin.read.chomp
    end
    o.on("-E", "--example TITLE", "Add an exampleblock") do |v|
      opts[:block_kind]  = "exampleblock"
      opts[:block_title] = v
      opts[:block_body]  = STDIN.tty? ? "exemple..." : $stdin.read.chomp
    end

    o.on("-I", "--image FILE", "Insert image")          { |v| opts[:image_file] = v }
    o.on("--image-opts OPTS", "Image options (default width=0.8\\textwidth)") do |v|
      opts[:image_opts] = v
    end
    o.on("-c", "--code LANG", "Code listing (body from stdin)") do |v|
      opts[:code_lang] = v
      opts[:code_body] = STDIN.tty? ? "# code" : $stdin.read.chomp
      opts[:fragile]   = true
    end
    o.on("-p", "--pause", "Insert \\pause")             { opts[:pause] = true }
    o.on("-n", "--note TEXT", "Speaker note")           { |v| opts[:note_body] = v }

    o.on("-h", "--help", "Show help") { puts o; exit 0 }
    o.on("-v", "--version", "Show version") { puts Beamlet::VERSION; exit 0 }
  end

  parser.parse!(argv)
  opts
end

.run(argv) ⇒ Object



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# File 'lib/beamlet/cli.rb', line 7

def self.run(argv)
  opts = parse(argv)
  gen  = Generator.new(opts)

  out = case opts[:mode]
    when :document then gen.document
    when :frame    then gen.frame
    when :part     then gen.part
    else
      warn "Rien à générer. Essayez beamlet --help"
      return 1
  end

  puts out
  0
end