+require 'singleton'
+
module Irc
require 'yaml'
- require 'rbot/messagemapper'
unless YAML.respond_to?(:load_file)
def YAML.load_file( filepath )
attr_reader :key
attr_reader :wizard
attr_reader :requires_restart
+ attr_reader :requires_rescan
attr_reader :order
+ attr_reader :manager
+ attr_reader :auth_path
def initialize(key, params)
- unless key =~ /^.+\..+$/
+ @manager = BotConfig::configmanager
+ # Keys must be in the form 'module.name'.
+ # They will be internally passed around as symbols,
+ # but we accept them both in string and symbol form.
+ unless key.to_s =~ /^.+\..+$/
raise ArgumentError,"key must be of the form 'module.name'"
end
@order = @@order
@@order += 1
- @key = key
+ @key = key.to_sym
if params.has_key? :default
@default = params[:default]
else
@validate = params[:validate]
@wizard = params[:wizard]
@requires_restart = params[:requires_restart]
+ @requires_rescan = params[:requires_rescan]
+ @auth_path = "config::key::#{key.sub('.','::')}"
end
def default
if @default.instance_of?(Proc)
end
end
def get
- return BotConfig.config[@key] if BotConfig.config.has_key?(@key)
+ return @manager.config[@key] if @manager.config.has_key?(@key)
return @default
end
alias :value :get
def set(value, on_change = true)
- BotConfig.config[@key] = value
- @on_change.call(BotConfig.bot, value) if on_change && @on_change
+ @manager.config[@key] = value
+ @manager.changed = true
+ @on_change.call(@manager.bot, value) if on_change && @on_change
end
def unset
- BotConfig.config.delete(@key)
+ @manager.config.delete(@key)
+ @manager.changed = true
+ @on_change.call(@manager.bot, value) if @on_change
end
# set string will raise ArgumentErrors on failed parse/validate
raise ArgumentError, "invalid value: #{string}"
end
end
-
+
# override this. the default will work for strings only
def parse(string)
string
class BotConfigStringValue < BotConfigValue
end
+
class BotConfigBooleanValue < BotConfigValue
def parse(string)
return true if string == "true"
raise ArgumentError, "#{string} does not match either 'true' or 'false'"
end
end
+
class BotConfigIntegerValue < BotConfigValue
def parse(string)
raise ArgumentError, "not an integer: #{string}" unless string =~ /^-?\d+$/
string.to_i
end
end
+
class BotConfigFloatValue < BotConfigValue
def parse(string)
raise ArgumentError, "not a float #{string}" unless string =~ /^-?[\d.]+$/
string.to_f
end
end
+
class BotConfigArrayValue < BotConfigValue
def parse(string)
string.split(/,\s+/)
def to_s
get.join(", ")
end
+ def add(val)
+ curval = self.get
+ set(curval + [val]) unless curval.include?(val)
+ end
+ def rm(val)
+ curval = self.get
+ raise ArgumentError, "value #{val} not present" unless curval.include?(val)
+ set(curval - [val])
+ end
end
+
class BotConfigEnumValue < BotConfigValue
def initialize(key, params)
super
end
def values
if @values.instance_of?(Proc)
- return @values.call(BotConfig.bot)
+ return @values.call(@manager.bot)
else
return @values
end
end
def parse(string)
- unless @values.include?(string)
- raise ArgumentError, "invalid value #{string}, allowed values are: " + @values.join(", ")
+ unless values.include?(string)
+ raise ArgumentError, "invalid value #{string}, allowed values are: " + values.join(", ")
end
string
end
end
# container for bot configuration
- class BotConfig
- # Array of registered BotConfigValues for defaults, types and help
- @@items = Hash.new
- def BotConfig.items
- @@items
+ class BotConfigManagerClass
+
+ include Singleton
+
+ attr_reader :bot
+ attr_reader :items
+ attr_reader :config
+ attr_accessor :changed
+
+ def initialize
+ bot_associate(nil,true)
end
- # Hash containing key => value pairs for lookup and serialisation
- @@config = Hash.new(false)
- def BotConfig.config
- @@config
+
+ def reset_config
+ @items = Hash.new
+ @config = Hash.new(false)
end
- def BotConfig.bot
- @@bot
+
+ # Associate with bot _bot_
+ def bot_associate(bot, reset=false)
+ reset_config if reset
+ @bot = bot
+ return unless @bot
+
+ @changed = false
+ if(File.exist?("#{@bot.botclass}/conf.yaml"))
+ begin
+ newconfig = YAML::load_file("#{@bot.botclass}/conf.yaml")
+ newconfig.each { |key, val|
+ @config[key.to_sym] = val
+ }
+ return
+ rescue
+ error "failed to read conf.yaml: #{$!}"
+ end
+ end
+ # if we got here, we need to run the first-run wizard
+ BotConfigWizard.new(@bot).run
+ # save newly created config
+ @changed = true
+ save
end
-
- def BotConfig.register(item)
+
+ def register(item)
unless item.kind_of?(BotConfigValue)
raise ArgumentError,"item must be a BotConfigValue"
end
- @@items[item.key] = item
+ @items[item.key] = item
end
# currently we store values in a hash but this could be changed in the
# components that register their config keys and setup defaults are
# supported via []
def [](key)
- return @@items[key].value if @@items.has_key?(key)
+ # return @items[key].value if @items.has_key?(key)
+ return @items[key.to_sym].value if @items.has_key?(key.to_sym)
# try to still support unregistered lookups
- return @@config[key] if @@config.has_key?(key)
+ # but warn about them
+ # if @config.has_key?(key)
+ # warning "Unregistered lookup #{key.inspect}"
+ # return @config[key]
+ # end
+ if @config.has_key?(key.to_sym)
+ warning "Unregistered lookup #{key.to_sym.inspect}"
+ return @config[key.to_sym]
+ end
return false
end
# TODO should I implement this via BotConfigValue or leave it direct?
# def []=(key, value)
# end
-
+
# pass everything else through to the hash
def method_missing(method, *args, &block)
- return @@config.send(method, *args, &block)
+ return @config.send(method, *args, &block)
end
- def handle_list(m, params)
- modules = []
- if params[:module]
- @@items.each_key do |key|
- mod, name = key.split('.')
- next unless mod == params[:module]
- modules.push key unless modules.include?(name)
- end
- if modules.empty?
- m.reply "no such module #{params[:module]}"
- else
- m.reply modules.join(", ")
- end
- else
- @@items.each_key do |key|
- name = key.split('.').first
- modules.push name unless modules.include?(name)
- end
- m.reply "modules: " + modules.join(", ")
- end
- end
-
- def handle_get(m, params)
- key = params[:key]
- unless @@items.has_key?(key)
- m.reply "no such config key #{key}"
- return
- end
- value = @@items[key].to_s
- m.reply "#{key}: #{value}"
- end
-
- def handle_desc(m, params)
- key = params[:key]
- unless @@items.has_key?(key)
- m.reply "no such config key #{key}"
- end
- puts @@items[key].inspect
- m.reply "#{key}: #{@@items[key].desc}"
- end
-
- def handle_unset(m, params)
- key = params[:key]
- unless @@items.has_key?(key)
- m.reply "no such config key #{key}"
- end
- @@items[key].unset
- handle_get(m, params)
- end
-
- def handle_set(m, params)
- key = params[:key]
- value = params[:value].to_s
- unless @@items.has_key?(key)
- m.reply "no such config key #{key}"
+ # write current configuration to #{botclass}/conf.yaml
+ def save
+ if not @changed
+ debug "Not writing conf.yaml (unchanged)"
return
end
begin
- @@items[key].set_string(value)
- rescue ArgumentError => e
- m.reply "failed to set #{key}: #{e.message}"
- return
- end
- if @@items[key].requires_restart
- m.reply "this config change will take effect on the next restart"
- else
- m.okay
- end
- end
-
- def handle_help(m, params)
- topic = params[:topic]
- case topic
- when false
- m.reply "config module - bot configuration. usage: list, desc, get, set, unset"
- when "list"
- m.reply "config list => list configuration modules, config list <module> => list configuration keys for module <module>"
- when "get"
- m.reply "config get <key> => get configuration value for key <key>"
- when "unset"
- m.reply "reset key <key> to the default"
- when "set"
- m.reply "config set <key> <value> => set configuration value for key <key> to <value>"
- when "desc"
- m.reply "config desc <key> => describe what key <key> configures"
- else
- m.reply "no help for config #{topic}"
- end
- end
- def usage(m,params)
- m.reply "incorrect usage, try '#{@@bot.nick}: help config'"
- end
-
- # bot:: parent bot class
- # create a new config hash from #{botclass}/conf.rbot
- def initialize(bot)
- @@bot = bot
-
- # respond to config messages, to provide runtime configuration
- # management
- # messages will be:
- # get
- # set
- # unset
- # desc
- # and for arrays:
- # add TODO
- # remove TODO
- @handler = MessageMapper.new(self)
- @handler.map 'config list :module', :action => 'handle_list',
- :defaults => {:module => false}
- @handler.map 'config get :key', :action => 'handle_get'
- @handler.map 'config desc :key', :action => 'handle_desc'
- @handler.map 'config describe :key', :action => 'handle_desc'
- @handler.map 'config set :key *value', :action => 'handle_set'
- @handler.map 'config unset :key', :action => 'handle_unset'
- @handler.map 'config help :topic', :action => 'handle_help',
- :defaults => {:topic => false}
- @handler.map 'help config :topic', :action => 'handle_help',
- :defaults => {:topic => false}
-
- if(File.exist?("#{@@bot.botclass}/conf.yaml"))
- newconfig = YAML::load_file("#{@@bot.botclass}/conf.yaml")
- @@config.update newconfig
- else
- # first-run wizard!
- BotConfigWizard.new(@@bot).run
- # save newly created config
- save
+ debug "Writing new conf.yaml ..."
+ File.open("#{@bot.botclass}/conf.yaml.new", "w") do |file|
+ savehash = {}
+ @config.each { |key, val|
+ savehash[key.to_s] = val
+ }
+ file.puts savehash.to_yaml
+ end
+ debug "Officializing conf.yaml ..."
+ File.rename("#{@bot.botclass}/conf.yaml.new",
+ "#{@bot.botclass}/conf.yaml")
+ @changed = false
+ rescue => e
+ error "failed to write configuration file conf.yaml! #{$!}"
+ error "#{e.class}: #{e}"
+ error e.backtrace.join("\n")
end
end
+ end
- # write current configuration to #{botclass}/conf.rbot
- def save
- File.open("#{@@bot.botclass}/conf.yaml", "w") do |file|
- file.puts @@config.to_yaml
- end
+ module BotConfig
+ # Returns the only BotConfigManagerClass
+ #
+ def BotConfig.configmanager
+ return BotConfigManagerClass.instance
end
- def privmsg(m)
- @handler.handle(m)
+ # Register a config value
+ def BotConfig.register(item)
+ BotConfig.configmanager.register(item)
end
end
class BotConfigWizard
def initialize(bot)
@bot = bot
- @questions = BotConfig.items.values.find_all {|i| i.wizard }
+ @manager = BotConfig::configmanager
+ @questions = @manager.items.values.find_all {|i| i.wizard }
end
-
+
def run()
puts "First time rbot configuration wizard"
puts "===================================="
@questions.sort{|a,b| a.order <=> b.order }.each do |q|
puts q.desc
begin
- print q.key + " [#{q.to_s}]: "
+ print q.key.to_s + " [#{q.to_s}]: "
response = STDIN.gets
response.chop!
unless response.empty?
end
end
end
+
end