From ec601f8af0b09eefb1913bd1a7dfeeca1109da22 Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Sun, 14 Mar 2021 14:29:26 +0100
Subject: LV2/makeplugin: ctrl ports know their name and symbol.

Could possibly flesh out this to a proper class, but a hash is ok enough
for now.
---
 plugins/LV2/lib/makeplugin/plugin_info.rb |  2 +-
 plugins/LV2/makeplugin                    | 22 +++++++++-------------
 2 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/plugins/LV2/lib/makeplugin/plugin_info.rb b/plugins/LV2/lib/makeplugin/plugin_info.rb
index 0cbc896..f6644c8 100644
--- a/plugins/LV2/lib/makeplugin/plugin_info.rb
+++ b/plugins/LV2/lib/makeplugin/plugin_info.rb
@@ -91,7 +91,7 @@ module MakePlugin
           if line =~ /void #{@name}::(\w+)/
             fun = $1
           elsif fun == 'getParameterName' and line =~ /case\s+kParam([A-Z])\:\s+vst_strncpy\s*\([^,]*,\s*\"(\w+)\",/
-            @ctrl_ports << $2
+            @ctrl_ports << { sym: $1, name: $2 }
           end
         end
       end
diff --git a/plugins/LV2/makeplugin b/plugins/LV2/makeplugin
index 809b967..48854e0 100755
--- a/plugins/LV2/makeplugin
+++ b/plugins/LV2/makeplugin
@@ -1,21 +1,17 @@
 #!/usr/bin/env ruby
 require_relative 'lib/makeplugin/plugin_info'
 
-def param_sym(n)
-    ('A'.ord + n).chr
-end
-
-def make_param_assigns(num)
-  (0 ... num)
-    .map { |n| "#{param_sym(n)} = *param[#{n}];" }
+def make_param_assigns(ctrl_ports)
+  ctrl_ports
+    .map.with_index { |p, n| "#{p[:sym]} = *param[#{n}];" }
     .join("\n    ")
 end
 
-def make_ctrl_port(n, name)
+def make_ctrl_port(n, ctrl_port)
   %Q{      a lv2:InputPort , lv2:ControlPort ;
       lv2:index #{n} ;
-      lv2:symbol "#{param_sym(n)}" ;
-      lv2:name "#{name}" ;
+      lv2:symbol "#{ctrl_port[:sym]}" ;
+      lv2:name "#{ctrl_port[:name]}" ;
       lv2:default 0.5 ;
       lv2:minimum 0.0 ;
       lv2:maximum 1.0 ;}
@@ -23,8 +19,8 @@ end
 
 def make_lv2_port_defs(pi)
   num = pi.n_ctrl_ports
-  ctrlports = (0 ... num)
-    .map { |n| make_ctrl_port(n, pi.ctrl_ports[n]) }
+  ctrlports = pi.ctrl_ports
+    .map.with_index { |p, n| make_ctrl_port(n, p) }
     .join("\n    ] , [\n")
 
   ctrlports + %Q{
@@ -87,7 +83,7 @@ begin
       .gsub('@Plugin@', pi.name)
       .gsub('@plugin@', plugin_slug)
       .gsub('@NCtrlPorts@', pi.n_ctrl_ports.to_s)
-      .gsub('@AssignParams@', make_param_assigns(pi.n_ctrl_ports))
+      .gsub('@AssignParams@', make_param_assigns(pi.ctrl_ports))
       .gsub('@TTLPortDefs@', make_lv2_port_defs(pi))
       .gsub('@TTLPluginType@', pi.type)
 
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