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# frozen_string_literal: true
module Pragmater
# Writes formatted pragma comments to source file.
# :reek:TooManyInstanceVariables
# :reek:MissingSafeMethod
class Writer
# rubocop:disable Metrics/ParameterLists
def initialize file_path, new_comments, formatter: Formatter, commenter: Commenter
@file_path = file_path
@file_lines = File.readlines file_path
@formatter = formatter
@commenter = commenter
@old_comments = file_comments
@new_comments = new_comments
end
# rubocop:enable Metrics/ParameterLists
def add
comments = format commenter.new(old_comments, new_comments).add
lines = comments + file_lines_without_comments
insert_spacing! lines, comments
write { lines.join }
end
def remove
lines = format(commenter.new(old_comments, new_comments).remove) + file_lines_without_comments
remove_spacing! lines
write { lines.join }
end
private
attr_reader :file_path, :file_lines, :new_comments, :old_comments, :formatter, :commenter
def file_comments
file_lines.select { |line| line =~ formatter.valid_formats }
end
def file_lines_without_comments
file_lines.reject { |line| old_comments.include? line }
end
# :reek:UtilityFunction
def format lines
lines.map { |line| "#{line}\n" }
end
# :reek:UtilityFunction
def insert_spacing! lines, comments
comment_count = comments.size
return if comments.empty?
return if lines.size == 1
return if lines[comment_count] == "\n"
lines.insert comment_count, "\n"
end
# :reek:UtilityFunction
def remove_spacing! lines
lines.delete_at 0 if lines.first == "\n"
end
def write
File.open(file_path, "w") { |file| file.write yield }
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems