Class: RuboCop::Cop::Style::EndOfLine

Inherits:
Cop
  • Object
show all
Defined in:
lib/rubocop/cop/style/end_of_line.rb

Overview

This cop checks for Windows-style line endings in the source code.

Constant Summary collapse

MSG = 
'Carriage return character detected.'.freeze

Constants included from Util

Util::ASGN_NODES, Util::BYTE_ORDER_MARK, Util::EQUALS_ASGN_NODES, Util::LITERAL_REGEX, Util::OPERATOR_METHODS, Util::SHORTHAND_ASGN_NODES

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary collapse

Methods inherited from Cop

#add_offense, all, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, cop_type, #correct, #debug?, #details, #display_cop_names?, #display_style_guide?, #duplicate_location?, #excluded_file?, #extra_details?, #find_location, #highlights, inherited, #initialize, #join_force?, lint?, match?, #message, #messages, non_rails, #parse, qualified_cop_name, #reference_url, #relevant_file?, #style_guide_url, #target_ruby_version

Methods included from Sexp

#s

Methods included from NodePattern::Macros

#def_node_matcher, #def_node_search, #node_search, #node_search_all, #node_search_body, #node_search_first

Methods included from AutocorrectLogic

#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

begins_its_line?, block_length, comment_line?, directions, double_quotes_acceptable?, double_quotes_required?, effective_column, ends_its_line?, escape_string, first_part_of_call_chain, interpret_string_escapes, line_distance, line_range, move_pos, needs_escaping?, numeric_range_size, on_node, operator?, parentheses?, parenthesized_call?, preceed?, range_between, range_with_surrounding_comma, range_with_surrounding_space, same_line?, source_range, strip_quotes, stripped_source_upto, to_string_literal, to_symbol_literal, within_node?

Methods included from PathUtil

absolute?, match_path?, relative_path

Constructor Details

This class inherits a constructor from RuboCop::Cop::Cop

Instance Method Details

#investigate(processed_source) ⇒ Object 



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# File 'lib/rubocop/cop/style/end_of_line.rb', line 11

def investigate(processed_source)
  last_token = processed_source.tokens.last
  last_line =
    last_token ? last_token.pos.line : processed_source.lines.length

  processed_source.raw_source.each_line.with_index do |line, index|
    break if index >= last_line
    next unless line =~ /\r$/

    range =
      source_range(processed_source.buffer, index + 1, 0, line.length)
    add_offense(nil, range, MSG)
    # Usually there will be carriage return characters on all or none
    # of the lines in a file, so we report only one offense.
    break
  end
end