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# frozen_string_literal: true
require_relative 'destination_base'
module ProcessExecuter
module Destinations
# Handles file paths with specific open modes
#
# @api private
class FilePathMode < DestinationBase
# Initializes a new file path with mode destination handler
#
# Redirects to the file at destination via `open(destination[0], destination[1], 0644)`
#
# @param destination [Array<String, String>] array with file path and mode
# @raise [Errno::ENOENT] if the file path is invalid
# @raise [ArgumentError] if the mode is invalid
def initialize(destination)
super
@file = File.open(destination[0], destination[1], 0o644)
end
# The opened file object
#
# @return [File] the opened file
attr_reader :file
# Writes data to the file
#
# @example
# mode_handler = ProcessExecuter::Destinations::FilePathMode.new(["output.log", "a"])
# mode_handler.write("Appended log entry")
#
# @param data [String] the data to write
#
# @return [Integer] the number of bytes written
#
# @raise [IOError] if the file is closed
#
def write(data)
super
file.write data
end
# Closes the file if it's open
#
# @return [void]
def close
file.close unless file.closed?
end
# Determines if this class can handle the given destination
#
# @param destination [Object] the destination to check
# @return [Boolean] true if destination is an Array with path and mode
def self.handles?(destination)
destination.is_a?(Array) &&
destination.size == 2 &&
destination[0].is_a?(String) &&
destination[1].is_a?(String)
end
end
end
end
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