class Tailor::Rulers::SpacesAfterLbracketRuler
Detects spaces after a '[' as given by +@config+. It skips checking when:
-
it's the last char in line.
-
the char after it is a ']'.
-
the char after it is space, then a '{'.
Public Class Methods
new(config, options)
click to toggle source
Calls superclass method
Tailor::Ruler::new
# File lib/tailor/rulers/spaces_after_lbracket_ruler.rb, line 12 def initialize(config, options) super(config, options) add_lexer_observers :comment, :ignored_nl, :lbracket, :nl @lbracket_columns = [] end
Public Instance Methods
check_spaces_after_lbracket(lexed_line, lineno)
click to toggle source
# File lib/tailor/rulers/spaces_after_lbracket_ruler.rb, line 53 def check_spaces_after_lbracket(lexed_line, lineno) unless @lbracket_columns.empty? log "lbracket found at: #{@lbracket_columns}" end @lbracket_columns.each do |column| actual_spaces = count_spaces(lexed_line, column) next if actual_spaces.nil? if !@do_measurement log 'Skipping measurement.' else measure(actual_spaces, lineno, column) end @do_measurement = true end @lbracket_columns.clear end
comment_update(token, lexed_line, _, lineno, column)
click to toggle source
# File lib/tailor/rulers/spaces_after_lbracket_ruler.rb, line 18 def comment_update(token, lexed_line, _, lineno, column) if token =~ /\n$/ log 'Found comment with trailing newline.' ignored_nl_update(lexed_line, lineno, column) end end
count_spaces(lexed_line, column)
click to toggle source
Counts the number of spaces after the lbracket.
@param [LexedLine] lexed_line The LexedLine
that contains the context
the lbracket was found in.
@param [Fixnum] column Column the lbracket was found at. @return [Fixnum] The number of spaces found after the lbracket.
# File lib/tailor/rulers/spaces_after_lbracket_ruler.rb, line 80 def count_spaces(lexed_line, column) event_index = lexed_line.event_index(column) if event_index.nil? log 'No lbracket in this line. Moving on...' @do_measurement = false return end next_event = lexed_line.at(event_index + 1) log "Next event: #{next_event}" if next_event.nil? log 'lbracket must be at the end of the line.' @do_measurement = false return 0 end [:on_nl, :on_ignored_nl].each do |event| if next_event[1] == event log "lbracket is followed by a '#{event}'. Moving on." @do_measurement = false return 0 end end if next_event[1] == :on_rbracket log 'lbracket is followed by a rbracket. Moving on.' @do_measurement = false return 0 end second_next_event = lexed_line.at(event_index + 2) log "Event + 2: #{second_next_event}" [:on_comment, :on_lbrace].each do |event| if second_next_event[1] == event log "Event + 2 is a #{event}. Moving on." @do_measurement = false return next_event.last.size end end next_event[1] != :on_sp ? 0 : next_event.last.size end
ignored_nl_update(lexed_line, lineno, _)
click to toggle source
# File lib/tailor/rulers/spaces_after_lbracket_ruler.rb, line 25 def ignored_nl_update(lexed_line, lineno, _) check_spaces_after_lbracket(lexed_line, lineno) end
lbracket_update(_, _, column)
click to toggle source
# File lib/tailor/rulers/spaces_after_lbracket_ruler.rb, line 29 def lbracket_update(_, _, column) @lbracket_columns << column end
measure(actual_spaces, lineno, column)
click to toggle source
Checks to see if the actual_spaces after an lbracket equals the value at +@config+.
@param [Fixnum] actual_spaces The number of spaces after the lbracket. @param [Fixnum] lineno Line the problem was found on. @param [Fixnum] column Column the problem was found on.
# File lib/tailor/rulers/spaces_after_lbracket_ruler.rb, line 43 def measure(actual_spaces, lineno, column) if actual_spaces != @config msg = "Line has #{actual_spaces} space(s) after a [, " msg << "but should have #{@config}." @problems << Problem.new(problem_type, lineno, column + 1, msg, @options[:level]) end end
nl_update(lexed_line, lineno, column)
click to toggle source
# File lib/tailor/rulers/spaces_after_lbracket_ruler.rb, line 33 def nl_update(lexed_line, lineno, column) ignored_nl_update(lexed_line, lineno, column) end