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Contents
# encoding: utf-8
module RuboCop
module Cop
# Common functionality for modifier cops.
module StatementModifier
include IfNode
# TODO: Extremely ugly solution that needs lots of polish.
def fit_within_line_as_modifier_form?(node)
case node.loc.keyword.source
when 'if' then cond, body, _else = *node
when 'unless' then cond, _else, body = *node
else cond, body = *node
end
return false if length(node) > 3
body_length = body_length(body)
return false if body_length == 0
return false if cond.each_node.any?(&:lvasgn_type?)
indentation = node.loc.keyword.column
kw_length = node.loc.keyword.size
cond_length = cond.loc.expression.size
space = 1
total = indentation + body_length + space + kw_length + space +
cond_length
total <= max_line_length && !body_has_comment?(body)
end
def max_line_length
cop_config && cop_config['MaxLineLength'] ||
config.for_cop('Metrics/LineLength')['Max']
end
def length(node)
node.loc.expression.source.lines.to_a.size
end
def body_length(body)
if body && body.loc.expression
body.loc.expression.size
else
0
end
end
def body_has_comment?(body)
comment_lines = processed_source.comments.map(&:location).map(&:line)
body_line = body.loc.expression.line
comment_lines.include?(body_line)
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems