Class: Rubocop::Cop::Style::Encoding
- Defined in:
- lib/rubocop/cop/style/encoding.rb
Overview
This cop checks whether the source file has a utf-8 encoding comment. This check makes sense only in Ruby 1.9, since in 2.0+ utf-8 is the default source file encoding.
Constant Summary collapse
- MSG =
'Missing utf-8 encoding comment.'
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
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/encoding.rb', line 13 def investigate(processed_source) unless RUBY_VERSION >= '2.0.0' line_number = 0 line_number += 1 if processed_source[line_number] =~ /^#!/ line = processed_source[line_number] unless line =~ /#.*coding\s?[:=]\s?(UTF|utf)-8/ add_offense(nil, source_range(processed_source.buffer, processed_source[0...line_number], 0, 1), MSG) end end end |