class RTesseract::Command

Constants

FIXED

Attributes

options[R]

Public Class Methods

new(source, output_path, errors, options) click to toggle source
# File lib/rtesseract/command.rb, line 9
def initialize(source, output_path, errors, options)
  @source = source
  @output_path = output_path
  @options = options
  @errors = errors
  @full_command = [options.command, @source, @output_path]
end

Public Instance Methods

add_option(*args) click to toggle source
# File lib/rtesseract/command.rb, line 32
def add_option(*args)
  return unless args.last

  @full_command << args.map(&:to_s)
end
full_command() click to toggle source
# File lib/rtesseract/command.rb, line 17
def full_command
  add_option('--psm', options.psm)
  add_option('--oem', options.oem)
  add_option('-l', options.lang)
  add_option('--tessdata-dir', options.tessdata_dir)
  add_option('--user-words', options.user_words)
  add_option('--user-patterns', options.user_patterns)

  other_configs

  add_option(options.config_file)

  @full_command
end
other_configs() click to toggle source
# File lib/rtesseract/command.rb, line 38
def other_configs
  @options.to_h.map do |key, value|
    next if FIXED.include?(key)

    add_option('-c', "#{key}=#{value}")
  end
end
run() { |output_path| ... } click to toggle source
# File lib/rtesseract/command.rb, line 46
def run
  output, error, status = Open3.capture3(*full_command.flatten)

  @errors.push(error)

  if status.success?
    return yield(@output_path) if block_given?

    return output
  end

  raise RTesseract::Error, error
end