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Class: Rails::CodeStatisticsCalculator

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: railties/lib/rails/code_statistics_calculator.rb

Constant Summary

  • PATTERNS =
    # File 'railties/lib/rails/code_statistics_calculator.rb', line 7 
    {
  rb: {
    line_comment: /^\s*#/,
    begin_block_comment: /^=begin/,
    end_block_comment: /^=end/,
    class: /^\s*class\s+[_A-Z]/,
    method: /^\s*def\s+[_a-z]/,
  },
  erb: {
    line_comment: %r{((^\s*<%#.*%>)|(<!--.*-->))},
  },
  css: {
    line_comment: %r{^\s*/\*.*\*/},
  },
  scss: {
    line_comment: %r{((^\s*/\*.*\*/)|(^\s*//))},
  },
  js: {
    line_comment: %r{^\s*//},
    begin_block_comment: %r{^\s*/\*},
    end_block_comment: %r{\*/},
    method: /function(\s+[_a-zA-Z][\da-zA-Z]*)?\s*\(/,
  },
  coffee: {
    line_comment: /^\s*#/,
    begin_block_comment: /^\s*###/,
    end_block_comment: /^\s*###/,
    class: /^\s*class\s+[_A-Z]/,
    method: /[-=]>/,
  }
}

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(lines = 0, code_lines = 0, classes = 0, methods = 0) ⇒ CodeStatisticsCalculator

[ GitHub ] 

  


# File 'railties/lib/rails/code_statistics_calculator.rb', line 42



def initialize(lines = 0, code_lines = 0, classes = 0, methods = 0)
  @lines = lines
  @code_lines = code_lines
  @classes = classes
  @methods = methods
end


  







Instance Attribute Details



  

    #classes   (readonly)
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/code_statistics_calculator.rb', line 5



attr_reader :lines, :code_lines, :classes, :methods


  








  

    #code_lines   (readonly)
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/code_statistics_calculator.rb', line 5



attr_reader :lines, :code_lines, :classes, :methods


  








  

    #lines   (readonly)
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/code_statistics_calculator.rb', line 5



attr_reader :lines, :code_lines, :classes, :methods


  








  

    #methods   (readonly)
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/code_statistics_calculator.rb', line 5



attr_reader :lines, :code_lines, :classes, :methods


  







Instance Method Details



  

    #add(code_statistics_calculator)  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/code_statistics_calculator.rb', line 49



def add(code_statistics_calculator)
  @lines += code_statistics_calculator.lines
  @code_lines += code_statistics_calculator.code_lines
  @classes += code_statistics_calculator.classes
  @methods += code_statistics_calculator.methods
end


  








  

    #add_by_file_path(file_path)  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/code_statistics_calculator.rb', line 56



def add_by_file_path(file_path)
  File.open(file_path) do |f|
    add_by_io(f, file_type(file_path))
  end
end


  








  

    #add_by_io(io, file_type)  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/code_statistics_calculator.rb', line 62



def add_by_io(io, file_type)
  patterns = PATTERNS[file_type] || {}

  comment_started = false

  while line = io.gets
    @lines += 1

    if comment_started
      if patterns[:end_block_comment] && patterns[:end_block_comment].match?(line)
        comment_started = false
      end
      next
    else
      if patterns[:begin_block_comment] && patterns[:begin_block_comment].match?(line)
        comment_started = true
        next
      end
    end

    @classes   += 1 if patterns[:class] && patterns[:class].match?(line)
    @methods   += 1 if patterns[:method] && patterns[:method].match?(line)
    if !line.match?(/^\s*$/) && (patterns[:line_comment].nil? || !line.match?(patterns[:line_comment]))
      @code_lines += 1
    end
  end
end


  








  

    #file_type(file_path)   (private)
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/code_statistics_calculator.rb', line 91



def file_type(file_path)
  if file_path.end_with? "_test.rb"
    :minitest
  else
    File.extname(file_path).delete_prefix(".").downcase.to_sym
  end
end