module RubbyCop::Cop::StatementModifier
Common functionality for modifier cops.
Public Instance Methods
body_length(body)
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 56 def body_length(body) body.source_range ? body.source_range.size : 0 end
comment_lines()
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 64 def comment_lines @comment_lines ||= processed_source.comments.map { |c| c.location.line } end
commented?(source)
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 60 def commented?(source) comment_lines.include?(source.line) end
empty_body?(body)
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 52 def empty_body?(body) !body || body_length(body).zero? end
length_in_modifier_form(node, cond, body_length)
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 35 def length_in_modifier_form(node, cond, body_length) indentation = node.loc.keyword.column kw_length = node.loc.keyword.size cond_length = cond.source_range.size space = 1 indentation + body_length + space + kw_length + space + cond_length end
line_count(node)
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 48 def line_count(node) node.source.lines.grep(/\S/).size end
max_line_length()
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 43 def max_line_length cop_config['MaxLineLength'] || config.for_cop('Metrics/LineLength')['Max'] end
modifier_fits_on_single_line?(node)
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 28 def modifier_fits_on_single_line?(node) modifier_length = length_in_modifier_form(node, node.condition, body_length(node.body)) modifier_length <= max_line_length end
non_eligible_body?(body)
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 20 def non_eligible_body?(body) empty_body?(body) || body.begin_type? || commented?(body.source_range) end
non_eligible_condition?(condition)
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 24 def non_eligible_condition?(condition) condition.each_node.any?(&:lvasgn_type?) end
non_eligible_node?(node)
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 15 def non_eligible_node?(node) line_count(node) > 3 || !node.modifier_form? && commented?(node.loc.end) end
single_line_as_modifier?(node)
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# File lib/rubbycop/cop/mixin/statement_modifier.rb, line 7 def single_line_as_modifier?(node) return false if non_eligible_node?(node) || non_eligible_body?(node.body) || non_eligible_condition?(node.condition) modifier_fits_on_single_line?(node) end