2 files changed, 62 insertions, 10 deletions
diff --git a/lib/oxidized/model/model.rb b/lib/oxidized/model/model.rb
index c3d8760..d3f54b9 100644
--- a/lib/oxidized/model/model.rb
+++ b/lib/oxidized/model/model.rb
@@ -1,3 +1,5 @@
+require_relative 'outputs'
+
 module Oxidized
   class Model
     include Oxidized::Config::Vars
@@ -77,17 +79,16 @@ module Oxidized
     def cmd string, &block
       out = @input.cmd string
       return false unless out
-      out = Oxidized::String.new out
       self.class.cmds[:all].each do |all_block|
-        out = instance_exec out, string, &all_block
+        out = instance_exec Oxidized::String.new(out), string, &all_block
       end
       if vars :remove_secret
         self.class.cmds[:secret].each do |all_block|
-          out = instance_exec out, string, &all_block
+          out = instance_exec Oxidized::String.new(out), string, &all_block
         end
       end
-      out = instance_exec out, &block if block
-      out
+      out = instance_exec Oxidized::String.new(out), &block if block
+      process_cmd_output out, string
     end
 
     def output
@@ -124,20 +125,20 @@ module Oxidized
     end
 
     def get
-      data, pre = '', ''
+      outputs = Outputs.new
       procs = self.class.procs
       self.class.cmds[:cmd].each do |command, block|
         out = cmd command, &block
         return false unless out
-        data << out.to_s
+        outputs << out
       end
       procs[:pre].each do |pre_proc|
-        pre << instance_eval(&pre_proc).to_s
+        outputs.unshift Oxidized::String.new(instance_eval(&pre_proc))
       end
       procs[:post].each do |post_proc|
-        data << instance_eval(&post_proc).to_s
+        outputs << Oxidized::String.new(instance_eval(&post_proc))
       end
-      pre + data
+      outputs
     end
 
     def comment _comment
@@ -148,5 +149,15 @@ module Oxidized
       data
     end
 
+    private
+
+    def process_cmd_output output, name
+      if output.class != Oxidized::String
+        output = Oxidized::String.new output
+      end
+      output.set_cmd(name)
+      output
+    end
+
   end
 end
diff --git a/lib/oxidized/model/outputs.rb b/lib/oxidized/model/outputs.rb
new file mode 100644
index 0000000..a668e9d
--- /dev/null
+++ b/lib/oxidized/model/outputs.rb
@@ -0,0 +1,41 @@
+module Oxidized
+  class Model
+    class Outputs
+
+      def to_cfg
+        type_to_str(nil)
+      end
+
+      def type_to_str want_type
+        type(want_type).map { |out| out }.join
+      end
+
+      def << output
+        @outputs << output
+      end
+
+      def unshift output
+        @outputs.unshift output
+      end
+
+      def all
+        @outputs
+      end
+
+      def type type
+        @outputs.select { |out| out.type==type }
+      end
+
+      def types
+        @outputs.map { |out| out.type }.uniq.compact
+      end
+
+      private
+
+      def initialize
+        @outputs = []
+      end
+
+    end
+  end
+end