class Tailor::Rulers::SpacesAfterLbraceRuler
Checks for spaces after a +{+ as given by +@config+. It skips checking when:
-
it's at the end of a line.
-
the next char is a '}'
-
it's at the end of a line, followed by a trailing comment.
Public Class Methods
new(config, options)
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Calls superclass method
Tailor::Ruler::new
# File lib/tailor/rulers/spaces_after_lbrace_ruler.rb, line 12 def initialize(config, options) super(config, options) add_lexer_observers :comment, :ignored_nl, :lbrace, :nl @lbrace_columns = [] end
Public Instance Methods
check_spaces_after_lbrace(lexed_line, lineno)
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# File lib/tailor/rulers/spaces_after_lbrace_ruler.rb, line 53 def check_spaces_after_lbrace(lexed_line, lineno) log "lbraces found at: #{@lbrace_columns}" unless @lbrace_columns.empty? @lbrace_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 @lbrace_columns.clear end
comment_update(token, lexed_line, _, lineno, column)
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# File lib/tailor/rulers/spaces_after_lbrace_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)
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Counts the number of spaces after the lbrace.
@param [LexedLine] lexed_line The LexedLine
that contains the context
the lbrace was found in.
@param [Fixnum] column Column the lbrace was found at. @return [Fixnum] The number of spaces found after the lbrace.
# File lib/tailor/rulers/spaces_after_lbrace_ruler.rb, line 78 def count_spaces(lexed_line, column) event_index = lexed_line.event_index(column) if event_index.nil? log 'No lbrace in this line. Moving on...' @do_measurement = false return end next_event = lexed_line.at(event_index + 1) if next_event.nil? log 'lbrace must be at the end of the line. Moving on.' @do_measurement = false return 0 end if next_event[1] == :on_nl || next_event[1] == :on_ignored_nl log "lbrace is followed by a '#{next_event[1]}'. Moving on." @do_measurement = false return 0 end if next_event[1] == :on_rbrace log 'lbrace is followed by an rbrace. Moving on.' @do_measurement = false return 0 end second_next_event = lexed_line.at(event_index + 2) if second_next_event[1] == :on_comment log 'Event + 2 is a comment.' @do_measurement = false return next_event.last.size end next_event[1] != :on_sp ? 0 : next_event.last.size end
ignored_nl_update(lexed_line, lineno, _)
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# File lib/tailor/rulers/spaces_after_lbrace_ruler.rb, line 25 def ignored_nl_update(lexed_line, lineno, _) check_spaces_after_lbrace(lexed_line, lineno) end
lbrace_update(_, _, column)
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# File lib/tailor/rulers/spaces_after_lbrace_ruler.rb, line 29 def lbrace_update(_, _, column) @lbrace_columns << column end
measure(actual_spaces, lineno, column)
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Checks to see if the number of spaces after an lbrace equals the value at +@config+.
@param [Fixnum] actual_spaces The number of spaces after the lbrace. @param [Fixnum] lineno Line the potential problem is on. @param [Fixnum] column Column the potential problem is on.
# File lib/tailor/rulers/spaces_after_lbrace_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)
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# File lib/tailor/rulers/spaces_after_lbrace_ruler.rb, line 33 def nl_update(lexed_line, lineno, column) ignored_nl_update(lexed_line, lineno, column) end