73 lines
2.2 KiB
Ruby
73 lines
2.2 KiB
Ruby
# typed: true
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# frozen_string_literal: true
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# Used by the `inreplace` function (in `utils.rb`).
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#
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# @api private
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class StringInreplaceExtension
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extend T::Sig
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attr_accessor :errors, :inreplace_string
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sig { params(string: String).void }
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def initialize(string)
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@inreplace_string = string
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@errors = []
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end
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# Same as `String#sub!`, but warns if nothing was replaced.
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#
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# @api public
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sig { params(before: T.any(Regexp, String), after: String).returns(T.nilable(String)) }
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def sub!(before, after)
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result = inreplace_string.sub!(before, after)
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errors << "expected replacement of #{before.inspect} with #{after.inspect}" unless result
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result
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end
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# Same as `String#gsub!`, but warns if nothing was replaced.
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#
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# @api public
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sig {
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params(before: T.any(Regexp, String), after: T.nilable(String), audit_result: T::Boolean)
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.returns(T.nilable(String))
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}
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def gsub!(before, after, audit_result = true) # rubocop:disable Style/OptionalBooleanParameter
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result = inreplace_string.gsub!(before, after)
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errors << "expected replacement of #{before.inspect} with #{after.inspect}" if audit_result && result.nil?
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result
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end
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# Looks for Makefile style variable definitions and replaces the
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# value with "new_value", or removes the definition entirely.
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#
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# @api public
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sig { params(flag: String, new_value: T.any(String, Pathname)).void }
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def change_make_var!(flag, new_value)
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return if gsub!(/^#{Regexp.escape(flag)}[ \t]*[\\?+:!]?=[ \t]*((?:.*\\\n)*.*)$/, "#{flag}=#{new_value}", false)
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errors << "expected to change #{flag.inspect} to #{new_value.inspect}"
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end
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# Removes variable assignments completely.
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#
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# @api public
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sig { params(flags: T.any(String, T::Array[String])).void }
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def remove_make_var!(flags)
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Array(flags).each do |flag|
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# Also remove trailing \n, if present.
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unless gsub!(/^#{Regexp.escape(flag)}[ \t]*[\\?+:!]?=(?:.*\\\n)*.*$\n?/, "", false)
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errors << "expected to remove #{flag.inspect}"
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end
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end
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end
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# Finds the specified variable.
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#
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# @api public
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sig { params(flag: String).returns(String) }
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def get_make_var(flag)
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inreplace_string[/^#{Regexp.escape(flag)}[ \t]*[\\?+:!]?=[ \t]*((?:.*\\\n)*.*)$/, 1]
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end
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end
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