LV2/makeplugin: Refactor makeplugin script.

Make PluginInfo class to hold the code for fetching info about the
plugin from other sources.

2 files changed, 72 insertions, 48 deletions

diff --git a/plugins/LV2/lib/makeplugin/plugin_info.rb b/plugins/LV2/lib/makeplugin/plugin_info.rb
new file mode 100644
index 0000000..c6f4adb
--- /dev/null
+++ b/plugins/LV2/lib/makeplugin/plugin_info.rb
@@ -0,0 +1,70 @@
+# Copyright (c) 2021 Harald Eilertsen
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy of
+# this software and associated documentation files (the "Software"), to deal in
+# the Software without restriction, including without limitation the rights to
+# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+# the Software, and to permit persons to whom the Software is furnished to do so,
+# subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+module MakePlugin
+  class PluginInfo
+    PLUGIN_FIELDS = %w{Type Use Description Comment}
+
+    def self.find_plugin_info(root, plugin_name)
+      pi = { name: plugin_name }
+      found = false
+
+      db = File.join(root, '../../cheatsheet/src/database.js')
+      File.open(db) do |f|
+        pat = /^\s*(\w+): \"([^"]+)\",/
+        f.each_line do |line|
+          break if found && line =~ /^\s*\},$/
+
+          pat.match(line) do |m|
+            if m[1] == 'Name' && m[2] == plugin_name
+              found = true
+            elsif found && PLUGIN_FIELDS.include?(m[1])
+              pi[m[1].downcase.to_sym] = m[2]
+            end
+          end
+        end
+      end
+
+      header_file = File.join(root, '../WinVST', plugin_name, "#{plugin_name}.h")
+
+      File.open(header_file) do |f|
+        f.each_line do |line|
+          if line =~ /kNumParameters\s*=\s*(\d+)/
+            pi[:n_ctrl_ports] = $1.to_i
+          end
+        end
+      end
+
+      class_file = File.join(root, '../WinVST', plugin_name, "#{plugin_name}.cpp")
+      fun = ""
+
+      File.open(class_file) do |f|
+        f.each_line do |line|
+          if line =~ /void #{plugin_name}::(\w+)/
+            fun = $1
+          elsif fun == 'getParameterName' and line =~ /case\s+kParam([A-Z])\:\s+vst_strncpy\s*\([^,]*,\s*\"(\w+)\",/
+            pi["ctrl_port_#{$1}".to_sym] = $2
+          end
+        end
+      end
+
+      return pi
+    end
+  end
+end
diff --git a/plugins/LV2/makeplugin b/plugins/LV2/makeplugin
index be152b1..277fd52 100755
--- a/plugins/LV2/makeplugin
+++ b/plugins/LV2/makeplugin
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+require_relative 'lib/makeplugin/plugin_info'
 
 def param_sym(n)
     ('A'.ord + n).chr
@@ -62,53 +63,6 @@ plugin_slug = plugin_name.downcase
 target_dir = File.join(root, 'src', plugin_name)
 template_dir = File.join(root, 'Template')
 
-PLUGIN_FIELDS = %w{Type Use Description Comment}
-
-def find_plugin_info(db, plugin_name)
-  pi = { name: plugin_name }
-  found = false
-
-  File.open(db) do |f|
-    pat = /^\s*(\w+): \"([^"]+)\",/
-    f.each_line do |line|
-      break if found && line =~ /^\s*\},$/
-
-      pat.match(line) do |m|
-        if m[1] == 'Name' && m[2] == plugin_name
-          found = true
-        elsif found && PLUGIN_FIELDS.include?(m[1])
-          pi[m[1].downcase.to_sym] = m[2]
-        end
-      end
-    end
-  end
-
-  header_file = File.join('../WinVST', plugin_name, "#{plugin_name}.h")
-
-  File.open(header_file) do |f|
-    f.each_line do |line|
-      if line =~ /kNumParameters\s*=\s*(\d+)/
-          pi[:n_ctrl_ports] = $1.to_i
-      end
-    end
-  end
-
-  class_file = File.join('../WinVST', plugin_name, "#{plugin_name}.cpp")
-  fun = ""
-
-  File.open(class_file) do |f|
-    f.each_line do |line|
-      if line =~ /void #{plugin_name}::(\w+)/
-        fun = $1
-      elsif fun == 'getParameterName' and line =~ /case\s+kParam([A-Z])\:\s+vst_strncpy\s*\([^,]*,\s*\"(\w+)\",/
-        pi["ctrl_port_#{$1}".to_sym] = $2
-      end
-    end
-  end
-
-  return pi
-end
-
 def get_lv2_plugin_type(plugin_info)
   case plugin_info[:type]
     when 'Saturation'
@@ -121,7 +75,7 @@ def get_lv2_plugin_type(plugin_info)
 end
 
 puts "Reading plugin info from cheatsheet..."
-plugin_info = find_plugin_info(File.join(root, '../../cheatsheet/src/database.js'), plugin_name)
+plugin_info = MakePlugin::PluginInfo.find_plugin_info(root, plugin_name)
 
 
 puts "Creating plugin #{plugin_name}..."