Class: FileRenamer::Commander

Inherits:
Object
  • Object
show all
Defined in:
lib/filerenamer/commander.rb

Defined Under Namespace

Classes: NoRenameRuleError, OptionError

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options, files) ⇒ Commander

:yes と :no が両方 true ならば例外。:copy, :move, :hardlink, :symlink, :git のうち、1つ以下が true。全て nil ならば :move が true になる。:quiet が true ならば自動的に :yes が立てられる。:quiet が true で :no も true ならば例外。



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# File 'lib/filerenamer/commander.rb', line 60

def initialize(options, files)
  @options = options

  if (@options[:yes] && @options[:no])
    raise OptionError,
      "Conflict options: --yes and --no."
  end

  fileProcessModes = []
  [:move, :copy, :hardlink, :symlink, :git].each do |mode|
    fileProcessModes << mode if @options[mode]
  end
  # 1つもなければ :move に。
  @options[:move] = true if fileProcessModes == []
  # 2つ以上あれば例外。
  if fileProcessModes.size > 1
    raise OptionError,
      "File process modes duplicate: #{fileProcessModes.join(", ")}"
  end
  @command = "mv"     if @options[:move]
  @command = "cp -r"  if @options[:copy]
  @command = "ln"     if @options[:hardlink]
  @command = "ln -s"  if @options[:symlink]
  @command = "git mv" if @options[:git]

  # :quiet ならば自動的に :yes
  @options[:yes] = true if @options[:quiet]

  # :quiet と同時に :no なら例外
  if @options[:quiet] && @options[:no]
    raise OptionError,
      "Conflict options: --quiet and --no"
  end

  @files = self.class.files(files)
end

Instance Attribute Details

#files ⇒ Object (readonly)

Returns the value of attribute files.



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# File 'lib/filerenamer/commander.rb', line 42

def files
  @files
end

Class Method Details

.files(strs) ⇒ Object 



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# File 'lib/filerenamer/commander.rb', line 47

def self.files(strs)
  if strs.empty?
    return Dir::glob("*").sort
  else
    return strs
  end
end

Instance Method Details

#execute(&block) ⇒ Object

変更される名前のリストを表示し、ユーザの指示に従って実行する。ユーザの入力は [y|Y] で始まる文字列ならば実行、それ以外なら実行しない。files は対象のファイル名のリスト。新しい名前の生成方法をブロックで渡す。ブロックがなければ例外 FileRenamerNoRenameRuleError



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# File 'lib/filerenamer/commander.rb', line 103

def execute(&block)
  new_names = make_new_names(&block)

  ok_files, ng_files = check_new_names(new_names)

  unless @options[:quiet]
    if ok_files.size > 0
      puts "Enable files:"
      max_width = ok_files.keys.max_by{|file| file.width}.width
      ok_files.keys.sort.each do |old|
        printf("  %s %s%s %s\n",
          @command, old, " " * (max_width - old.width), ok_files[old]
        )
      end
    end

    if ng_files.size > 0
      puts "Unable files:"
      max_width = ng_files.keys.max_by{|file| file.width}.width
      ng_files.keys.sort.each do |old|
        printf("  %s %s%s %s\n",
          @command, old, " " * (max_width - old.width), ng_files[old]
        )
      end
    puts
    end
  end

  if ok_files.empty?
    puts "Done. No executable files." unless @options[:quiet]
    return
  elsif @options[:no]
    puts "Execute? no"
    return
  end

  if @options[:yes]
    puts "Execute? yes" unless @options[:quiet]
  elsif (! ask_yes?)
    return
  end
  ok_files.each do |old, new|
    run(old, new)
  end
end