Class: Docsplit::CommandLine

Inherits:
Object
  • Object
show all
Defined in:
lib/docsplit/command_line.rb

Overview

A single command-line utility to separate a PDF into all its component parts.

Constant Summary collapse 

"docsplit breaks apart documents into images, text, or individual pages.\nIt wraps GraphicsMagick, Poppler, PDFTK, and JODConverter.\n\nUsage:\n  docsplit COMMAND [OPTIONS] path/to/doc.pdf\n  Main commands:\npages, images, text, pdf.\n  Metadata commands:\nauthor, date, creator, keywords, producer, subject, title, length.\n\nExample:\n  docsplit images --size 700x --format jpg document.pdf\n\nDependencies:\n  Ruby, Java, A working GraphicsMagick (gm) command,\n  and a headless OpenOffice server for non-PDF documents.\n\nOptions:\n(size, pages and format can take comma-separated values)\n\n"

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CommandLine

Creating a CommandLine runs off of the contents of ARGV.



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# File 'lib/docsplit/command_line.rb', line 33

def initialize
  parse_options
  cmd = ARGV.shift
  @command = cmd && cmd.to_sym
  run
end

Instance Method Details

#run ⇒ Object

Delegate to the Docsplit Ruby API to perform all extractions.



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# File 'lib/docsplit/command_line.rb', line 41

def run
  begin
    case @command
    when :images  then Docsplit.extract_images(ARGV, @options)
    when :pages   then Docsplit.extract_pages(ARGV, @options)
    when :text    then Docsplit.extract_text(ARGV, @options)
    when :pdf     then Docsplit.extract_pdf(ARGV, @options)
    else
      if METADATA_KEYS.include?(@command)
        value = Docsplit.send("extract_#{@command}", ARGV, @options)
        puts value unless value.nil?
      else
        usage
      end
    end
  rescue ExtractionFailed => e
    puts e.message.chomp
    exit(1)
  end
end

#usage ⇒ Object

Print out the usage help message.



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# File 'lib/docsplit/command_line.rb', line 63

def usage
  puts "\n#{@option_parser}\n"
  exit
end