Class: RuboCop::Cop::Style::StringLiterals

Inherits:
Cop
  • Object
show all
Includes:
ConfigurableEnforcedStyle, RuboCop::Cop::StringLiteralsHelp
Defined in:
lib/rubocop/cop/style/string_literals.rb

Overview

Checks if uses of quotes match the configured preference.

Constant Summary collapse

MSG_INCONSISTENT = 
'Inconsistent quote style.'.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, Util::STRING_ESCAPES, Util::STRING_ESCAPE_REGEX

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary collapse

Methods included from RuboCop::Cop::StringLiteralsHelp

#autocorrect, #wrong_quotes?

Methods included from RuboCop::Cop::StringHelp

#inside_interpolation?, #on_regexp, #on_str

Methods included from ConfigurableEnforcedStyle

#alternative_style, #ambiguous_style_detected, #correct_style_detected, #detected_style, #detected_style=, #no_acceptable_style!, #no_acceptable_style?, #opposite_style_detected, #parameter_name, #style, #style_detected, #supported_styles, #unexpected_style_detected

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?, #excluded_file?, #extra_details?, inherited, #initialize, #join_force?, lint?, match?, 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_body

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?, first_part_of_call_chain, interpret_string_escapes, line_range, move_pos, numeric_range_size, on_node, operator?, parentheses?, range_with_surrounding_comma, range_with_surrounding_space, source_range, strip_quotes, to_string_literal, to_symbol_literal, within_node?

Methods included from PathUtil

absolute?, hidden?, issue_deprecation_warning, match_path?, relative_path

Constructor Details

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

Instance Method Details

#on_dstr(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/string_literals.rb', line 14

def on_dstr(node)
  # Strings which are continued across multiple lines using \
  # are parsed as a `dstr` node with `str` children
  # If one part of that continued string contains interpolations,
  # then it will be parsed as a nested `dstr` node
  return unless consistent_multiline?

  children = node.children
  return unless children.all? { |c| c.str_type? || c.dstr_type? }

  quote_styles = children.map { |c| c.loc.begin.source }.uniq
  if quote_styles.size > 1
    add_offense(node, :expression, MSG_INCONSISTENT)
  else
    check_multiline_quote_style(node, quote_styles[0])
  end

  ignore_node(node)
end