dominikh · March 24, 2012 08:16 · Mar 24, 2012 · Mar 24, 2012
diff --git a/gistfile1.txt → plugin_management.rb b/gistfile1.txt → plugin_management.rb
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,91 @@
+module Cinch
+  module Plugins
+    class PluginManagement
+      include Cinch::Plugin
+
+      match(/plugin load (\S+)(?: (\S+))?/, method: :load_plugin)
+      match(/plugin unload (\S+)/, method: :unload_plugin)
+      match(/plugin reload (\S+)(?: (\S+))?/, method: :reload_plugin)
+      match(/plugin set (\S+) (\S+) (.+)$/, method: :set_option)
+      def load_plugin(m, plugin, mapping)
+        mapping ||= plugin.gsub(/(.)([A-Z])/) { |_|
+          $1 + "_" + $2
+        }.downcase # we downcase here to also catch the first letter
+
+        file_name = "lib/cinch/plugins/#{mapping}.rb"
+        unless File.exist?(file_name)
+          m.reply "Could not load #{plugin} because #{file_name} does not exist."
+          return
+        end
+
+        begin
+          load(file_name)
+        rescue
+          m.reply "Could not load #{plugin}."
+          raise
+        end
+
+        begin
+          const = Cinch::Plugins.const_get(plugin)
+        rescue NameError
+          m.reply "Could not load #{plugin} because no matching class was found."
+          return
+        end
+
+        @bot.plugins.register_plugin(const)
+        m.reply "Successfully loaded #{plugin}"
+      end
+
+      def unload_plugin(m, plugin)
+        begin
+          plugin_class = Cinch::Plugins.const_get(plugin)
+        rescue NameError
+          m.reply "Could not unload #{plugin} because no matching class was found."
+          return
+        end
+
+        @bot.plugins.select {|p| p.class == plugin_class}.each do |p|
+          @bot.plugins.unregister_plugin(p)
+        end
+
+        ## FIXME not doing this at the moment because it'll break
+        ## plugin options. This means, however, that reloading a
+        ## plugin is relatively dirty: old methods will not be removed
+        ## but only overwritten by new ones. You will also not be able
+        ## to change a classes superclass this way.
+        # Cinch::Plugins.__send__(:remove_const, plugin)
+
+        # Because we're not completely removing the plugin class,
+        # reset everything to the starting values.
+        plugin_class.hooks.clear
+        plugin_class.matchers.clear
+        plugin_class.listeners.clear
+        plugin_class.timers.clear
+        plugin_class.ctcps.clear
+        plugin_class.react_on = :message
+        plugin_class.plugin_name = nil
+        plugin_class.help = nil
+        plugin_class.prefix = nil
+        plugin_class.suffix = nil
+        plugin_class.required_options.clear
+
+        m.reply "Successfully unloaded #{plugin}"
+      end
+
+      def reload_plugin(m, plugin, mapping)
+        unload_plugin(m, plugin)
+        load_plugin(m, plugin, mapping)
+      end
+
+      def set_option(m, plugin, option, value)
+        begin
+          const = Cinch::Plugins.const_get(plugin)
+        rescue NameError
+          m.reply "Could not set plugin option for #{plugin} because no matching class was found."
+          return
+        end
+        @bot.config.plugins.options[const][option.to_sym] = eval(value)
+      end
+    end
+  end
+end
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