Class: Rubocop::Cop::Style::RegexpLiteral

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

Overview

This cop checks for regexp literals and reports offenses based on how many escaped slashes there are in the regexp and on the value of the configuration parameter MaxSlashes.

Constant Summary

Constants included from Util

Util::ASGN_NODES, Util::EQUALS_ASGN_NODES, Util::OPERATOR_METHODS, Util::PROC_NEW_NODE, 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, #autocorrect?, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, cop_type, #debug?, #display_cop_names?, #exclude_file?, #include_file?, inherited, #initialize, lint?, #message, non_rails, rails?, #relevant_file?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

block_length, command?, comment_line?, const_name, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, on_node, operator?, parentheses?, proc?, range_with_surrounding_space, source_range, strip_quotes

Methods included from PathUtil

match_path?, relative_path

Constructor Details

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

Instance Method Details

#on_regexp(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/regexp_literal.rb', line 10

def on_regexp(node)
  string_parts = node.children.select { |child| child.type == :str }
  total_string = string_parts.map { |s| s.loc.expression.source }.join
  slashes = total_string.count('/')
  if node.loc.begin.is?('/')
    if slashes > max_slashes
      add_offense(node, :expression, error_message('')) do
        self.slash_count_in_slashes_regexp = slashes
      end
    end
  elsif slashes <= max_slashes
    add_offense(node, :expression, error_message('only ')) do
      self.slash_count_in_percent_r_regexp = slashes
    end
  end
end