Class: Kwatable::Main

Inherits:
Object
  • Object
show all
Includes:
Assertion
Defined in:
lib/kwatable/main.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Assertion

assert, assert!, unreachable

Constructor Details

#initialize(argv = ARGV) ⇒ Main

Returns a new instance of Main.



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# File 'lib/kwatable/main.rb', line 32

def initialize(argv=ARGV)
  @argv = argv
end

Class Method Details

.main(argv = ARGV) ⇒ Object 



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# File 'lib/kwatable/main.rb', line 123

def self.main(argv=ARGV)
  begin
    main = Main.new(ARGV)
    output = main.execute()
    print output if output
  rescue KwatableError => ex
    $stderr.puts "[ERROR] #{ex.message()}"
  end
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/kwatable/main.rb', line 36

def execute()
  options, properties, filenames = _parse_options(@argv)

  ## help or version
  if options[?h] || options[?v]
    puts _version() if options[?v]
    return unless options[?h]
    puts _template_info(options)       if  options[?t]
    puts _usage()                      if !options[?t]
    puts _available_template(options)  if !options[?t]
    return
  end

  ## option check
  if dir = options[?d]
    #* key=:dir_notfound  msg="-d %s: directory not found."
    _option_error(:dir_notfound, dir) unless test(?e, dir)
    #* key=:dir_notadir  msg="-d %s: not a directory."
    _option_error(:dir_notadir, dir) unless test(?d, dir)
  end

  ## load and validate datafile
  tabledefs = []
  check_only = options[?c]
  s = '' if check_only
  filenames.each do |filename|
    tabledef, content = _load_yaml(filename, options[?T])
    tabledefs << tabledef
    unless options[?u]
      errors = Kwatable.validate(tabledef, content)
      if !errors || errors.empty?
        s << "#{filename}: valid.\n" if check_only
      else
        s << "#{filename}: INVALID!\n" if check_only
        s2 = errors.sort.collect { |err|
          "%s:%d: %s: %s" % [filename, err.linenum, err.path, err.message]
        }.join("\n")
        if check_only
          s << s2 << "\n"
        else
          #* key=:tabledef_validation_error  msg="schema validation error.\n%s"
          _option_error(:tabledef_validation_error, s2)
        end
      end
    end
  end
  return s if check_only

  ## merge tabledefs
  tabledef = tabledefs.shift
  tabledefs.each do |tdef|
    tabledef = _merge_tabledefs(tabledef, tdef)
  end

  ## manipulation
  manipulator = Manipulator.new()
  manipulator.manipulate(tabledef)
  $stderr.puts tabledef.to_yaml if options[?D]

  ## template filename
  filename = options[?t]
  unless filename
    return nil if options[?D]
    #* key=:template_notspecified  msg="template is not specified."
    _option_error(:template_notspecified)
  end
  template_pathlist = _template_pathlist(options[?I])
  template_filename = _find_template(filename, template_pathlist)

  ## apply template
  hash = { :options=>options, :properties=>properties,
           :template_filename=>template_filename,
           :template_pathlist=>template_pathlist,
         }
  hash[:tables] = tabledef['tables']
  context = _create_context(hash)
  output = Util.eval_template(template_filename, context)
  output_files = context.instance_variable_get("@output_files")
  if output_files
    output_files.each do |filename, content, message_key|
      _write_file(filename, content, message_key, options)
    end
    output = nil
  end
  return output
end