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module OptParseValidator # Implementation of the Path Option class OptPath < OptBase # Initialize attrs: # # :exists if set to false, will ignore the file? and directory? checks # # :file Check if the path is a file # :directory Check if the path is a directory # # :executable # :readable # :writable # # @param [ String ] value # # @return [ String ] def validate(value) path = Pathname.new(value) allowed_attrs.each do |key| method = "check_#{key}" send(method, path) if respond_to?(method) && attrs[key] end path.to_s end def allowed_attrs %i[file directory executable readable writable] end # @param [ Pathname ] path def check_file(path) fail Error, "'#{path}' is not a file" unless path.file? || attrs[:exists] == false end # @param [ Pathname ] path def check_directory(path) fail Error, "'#{path}' is not a directory" unless path.directory? || attrs[:exists] == false end # @param [ Pathname ] path def check_executable(path) fail Error, "'#{path}' is not executable" unless path.executable? end # @param [ Pathname ] path def check_readable(path) fail Error, "'#{path}' is not readable" unless path.readable? end # If the path does not exist, it will check for the parent # directory write permission # # @param [ Pathname ] path def check_writable(path) fail Error, "'#{path}' is not writable" if path.exist? && !path.writable? || !path.parent.writable? end end end
Version data entries
5 entries across 5 versions & 1 rubygems