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Contents
# frozen_string_literal: true
module RuboCop
module Formatter
# This formatter formats report data in clang style.
# The precise location of the problem is shown together with the
# relevant source code.
class ClangStyleFormatter < SimpleTextFormatter
ELLIPSES = '...'.freeze
def report_file(file, offenses)
offenses.each { |offense| report_offense(file, offense) }
end
private
def report_offense(file, offense)
output.printf("%s:%d:%d: %s: %s\n",
cyan(smart_path(file)), offense.line, offense.real_column,
colored_severity_code(offense), message(offense))
# rubocop:disable Lint/HandleExceptions
begin
return unless valid_line?(offense)
report_line(offense.location)
report_highlighted_area(offense.highlighted_area)
rescue IndexError
# range is not on a valid line; perhaps the source file is empty
end
# rubocop:enable Lint/HandleExceptions
end
def valid_line?(offense)
!offense.location.source_line.blank?
end
def report_line(location)
source_line = location.source_line
if location.first_line == location.last_line
output.puts(source_line)
else
output.puts("#{source_line} #{yellow(ELLIPSES)}")
end
end
def report_highlighted_area(highlighted_area)
output.puts("#{' ' * highlighted_area.begin_pos}" \
"#{'^' * highlighted_area.size}")
end
end
end
end
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