X-Git-Url: https://git.r.bdr.sh/rbdr/lyricli.rb/blobdiff_plain/4f3dbb13d02f6eb2ac2b8fea1879e9d5150166b1..08a2ff7f2801498d5cf8f387e8c881ee1cda9a3c:/lib/lyricli/configuration.rb?ds=sidebyside diff --git a/lib/lyricli/configuration.rb b/lib/lyricli/configuration.rb index 0311017..b90e772 100644 --- a/lib/lyricli/configuration.rb +++ b/lib/lyricli/configuration.rb @@ -1,6 +1,9 @@ module Lyricli + + # This class handles the configuration of Lyricli class Configuration + # Defines the paths to the default and user configuration files def initialize @config_path = "~/.lyricli.conf" @defaults_path = "defaults.json" @@ -9,21 +12,37 @@ module Lyricli @@instance = Configuration.new + # Ensure this is only called once. Only use the instance class variable + # to access this method, as its constructor is private. def self.instance @@instance end + # Access configuration properties, loads config if needed beforehand. + # + # @param [String] key the configuration key to access + # @return [String, Hash, Array] the value of the configuration key. def [](key) load_config unless @config @config[key] end + # Assigns a new value to a configuration key, loads config if needed and + # saves it after updating. + # + # @param [String] key the configuration key to set + # @param [Object] value the value for the configuration key, can be any + # object as long as it can be converted to JSON def []=(key, value) load_config unless @config @config[key] = value save_config end + # Deletes a key from the configuration, loads config if needed and saves + # it after deleting. + # + # @param [String] key the key to delete def delete(key) load_config unless @config @config.delete(key) @@ -32,12 +51,12 @@ module Lyricli private_class_method :new - # TODO: Apart from this, load a default yml that will be used for this. - # And just extend everything from the user's config. + # Loads the configuration from the user file, attempts to create it from + # defaults if it's not present. sets the `@config` instance variable. def load_config path = File.expand_path(@config_path) - if File.exists?(path) + if File.exist?(path) file = File.new(path, "r") @config = MultiJson.decode(file.read) else @@ -45,6 +64,7 @@ module Lyricli end end + # Serializes the `@config` Hash to JSON and saves it to a file. def save_config path = File.expand_path(@config_path) file = File.new(path, "w") @@ -54,10 +74,10 @@ module Lyricli private + # Loads the default configuration from a JSON file def load_default_config # Load the default - path_root = File.expand_path(File.dirname(__FILE__)) - path = File.join(path_root, @defaults_path) + path = File.join(::Lyricli.root, "config", @defaults_path) if File.exists?(path) file = File.new(path, "r")