utils: support hex HTML entities

[user/henk/code/ruby/rbot.git] / lib / rbot / config.rb

diff --git a/lib/rbot/config.rb b/lib/rbot/config.rb
index 360cba01867c548339e2daca78dbfe9ac324926c..e6145a82ee95637d6a31528bf2a89598c6e0e1b8 100644 (file)
--- a/lib/rbot/config.rb
+++ b/lib/rbot/config.rb
@@ -40,7 +40,9 @@ module Config
       @order = @@order
       @@order += 1
       @key = key.to_sym
-      if params.has_key? :default
+      if @manager.overrides.key?(@key)
+        @default = @manager.overrides[@key]
+      elsif params.has_key? :default
         @default = params[:default]
       else
         @default = false
@@ -63,18 +65,20 @@ module Config
     end
     def get
       return @manager.config[@key] if @manager.config.has_key?(@key)
-      return @default
+      return default
     end
     alias :value :get
     def set(value, on_change = true)
       @manager.config[@key] = value
       @manager.changed = true
       @on_change.call(@manager.bot, value) if on_change && @on_change
+      return self
     end
     def unset
       @manager.config.delete(@key)
       @manager.changed = true
       @on_change.call(@manager.bot, value) if @on_change
+      return self
     end
 
     # set string will raise ArgumentErrors on failed parse/validate
@@ -182,7 +186,7 @@ module Config
       unless newval.include? val
         newval << val
         validate_item(val) or raise ArgumentError, "invalid item: #{val}"
-        validate(newval) or raise ArgumentError, "invalid value: #{newval.to_s}"
+        validate(newval) or raise ArgumentError, "invalid value: #{newval.inspect}"
         set(newval)
       end
     end
@@ -224,6 +228,7 @@ module Config
     attr_reader :bot
     attr_reader :items
     attr_reader :config
+    attr_reader :overrides
     attr_accessor :changed
 
     def initialize
@@ -233,6 +238,21 @@ module Config
     def reset_config
       @items = Hash.new
       @config = Hash.new(false)
+
+      # We allow default values for config keys to be overridden by
+      # the config file /etc/rbot.conf
+      # The main purpose for this is to allow distro or system-wide
+      # settings such as external program paths (figlet, toilet, ispell)
+      # to be set once for all the bots.
+      @overrides = Hash.new
+      etcfile = "/etc/rbot.conf"
+      if File.exist?(etcfile)
+        log "Loading defaults from #{etcfile}"
+        etcconf = YAML::load_file(etcfile)
+        etcconf.each { |k, v|
+          @overrides[k.to_sym] = v
+        }
+      end
     end
 
     # Associate with bot _bot_
@@ -242,9 +262,10 @@ module Config
       return unless @bot
 
       @changed = false
-      if(File.exist?("#{@bot.botclass}/conf.yaml"))
+      conf = @bot.path 'conf.yaml'
+      if File.exist? conf
         begin
-          newconfig = YAML::load_file("#{@bot.botclass}/conf.yaml")
+          newconfig = YAML::load_file conf
           newconfig.each { |key, val|
             @config[key.to_sym] = val
           }
@@ -287,9 +308,13 @@ module Config
       return false
     end
 
-    # TODO should I implement this via Value or leave it direct?
-    #    def []=(key, value)
-    #    end
+    def []=(key, value)
+      return @items[key.to_sym].set(value) if @items.has_key?(key.to_sym)
+      if @config.has_key?(key.to_sym)
+        warning _("Unregistered lookup #{key.to_sym.inspect}")
+        return @config[key.to_sym] = value
+      end
+    end
 
     # pass everything else through to the hash
     def method_missing(method, *args, &block)
@@ -303,8 +328,10 @@ module Config
         return
       end
       begin
+       conf = @bot.path 'conf.yaml'
+       fnew = conf + '.new'
         debug "Writing new conf.yaml ..."
-        File.open("#{@bot.botclass}/conf.yaml.new", "w") do |file|
+        File.open(fnew, "w") do |file|
           savehash = {}
           @config.each { |key, val|
             savehash[key.to_s] = val
@@ -312,8 +339,7 @@ module Config
           file.puts savehash.to_yaml
         end
         debug "Officializing conf.yaml ..."
-        File.rename("#{@bot.botclass}/conf.yaml.new",
-                    "#{@bot.botclass}/conf.yaml")
+        File.rename(fnew, conf)
         @changed = false
       rescue => e
         error "failed to write configuration file conf.yaml! #{$!}"
@@ -342,6 +368,7 @@ module Config
     end
 
     def run()
+      $stdout.sync = true
       puts _("First time rbot configuration wizard")
       puts "===================================="
       puts _("This is the first time you have run rbot with a config directory of: #{@bot.botclass}")