Class: Erbf::Formatter::RubyFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/erbf/formatter/ruby_formatter.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ RubyFormatter

Returns a new instance of RubyFormatter.



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# File 'lib/erbf/formatter/ruby_formatter.rb', line 4

def initialize(config)
  @config = config
  @loaded = false
end

Instance Method Details

#format(code, line_length) ⇒ Object 



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# File 'lib/erbf/formatter/ruby_formatter.rb', line 9

def format(code, line_length)
  formatter.call(code, line_length)
end

#format_incomplete(code, line_length) ⇒ Object 



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# File 'lib/erbf/formatter/ruby_formatter.rb', line 13

def format_incomplete(code, line_length)
  code = code.strip
  keyword = code[/\A[a-z]+/]
  case keyword
  when "if", "unless", "while", "until", "for", "begin"
    format([code, "end"].join("\n"), line_length).delete_suffix("end").rstrip
  when "elsif"
    format(["if a", code, "end"].join("\n"), line_length)
      .delete_prefix("if a")
      .delete_suffix("end")
      .strip
  when "case"
    format([code, "when true", "end"].join("\n"), line_length)
      .delete_suffix("end")
      .rstrip
      .delete_suffix("when true")
      .rstrip
  when "when", "in"
    format(["case a", code, "end"].join("\n"), line_length)
      .delete_prefix("case a")
      .delete_suffix("end")
      .strip
  when "rescue", "ensure"
    format(["begin", code, "end"].join("\n"), line_length)
      .delete_prefix("begin")
      .delete_suffix("end")
      .strip
  else
    if code =~ /(do|{)\s*(\|[\s,()\w-]+\|)?\z/
      if Regexp.last_match(1) == "{"
        format([code, "}"].join("\n"), line_length).delete_suffix("}").rstrip
      else
        # Formatter may convert short `do end` into `{}`, so let's add content
        format([code, "a" * line_length, "end"].join("\n"), line_length)
          .delete_suffix("end")
          .rstrip
          .delete_suffix("a" * line_length)
          .rstrip
      end
    else
      @config.logger.warn(self.class.to_s) { "Can't handle incomplete ruby: #{code}" }
      code
    end
  end
end