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# frozen_string_literal: true
module Gitlab
module Ci
class Config
module Interpolation
module Functions
class Base
attr_reader :errors
def self.function_expression_pattern
raise NotImplementedError
end
def self.name
raise NotImplementedError
end
def self.matches?(function_expression)
function_expression_pattern.match?(function_expression)
end
def initialize(function_expression)
@errors = []
@function_args = parse_args(function_expression)
end
def valid?
errors.empty?
end
def execute(_input_value)
raise NotImplementedError
end
private
attr_reader :function_args
def error(message)
errors << "error in `#{self.class.name}` function: #{message}"
end
def parse_args(function_expression)
self.class.function_expression_pattern.match(function_expression)
end
end
end
end
end
end
end
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