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#!/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}];" }
.join("\n ")
end
def make_ctrl_port(n, name)
%Q{ a lv2:InputPort , lv2:ControlPort ;
lv2:index #{n} ;
lv2:symbol "#{param_sym(n)}" ;
lv2:name "#{name}" ;
lv2:default 0.5 ;
lv2:minimum 0.0 ;
lv2:maximum 1.0 ;}
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]) }
.join("\n ] , [\n")
ctrlports + %Q{
] , [
a lv2:InputPort , lv2:AudioPort ;
lv2:index #{num} ;
lv2:symbol "in_l" ;
lv2:name "In left" ;
] , [
a lv2:InputPort , lv2:AudioPort ;
lv2:index #{num + 1} ;
lv2:symbol "in_r" ;
lv2:name "In right" ;
] , [
a lv2:OutputPort , lv2:AudioPort ;
lv2:index #{num + 2} ;
lv2:symbol "out_l" ;
lv2:name "Out left" ;
] , [
a lv2:OutputPort , lv2:AudioPort ;
lv2:index #{num + 3} ;
lv2:symbol "out_r" ;
lv2:name "Out right" ;}
end
if ARGV.length < 1
puts "Usage: #{__FILE__} <PluginName>"
exit
end
root = File.dirname(__FILE__)
plugin_name = ARGV[0]
plugin_slug = plugin_name.downcase
target_dir = File.join(root, 'src', plugin_name)
template_dir = File.join(root, 'Template')
def get_lv2_plugin_type(plugin_info)
case plugin_info.type
when 'Saturation'
'DistortionPlugin'
when 'EQ'
'EQPlugin'
else
'EffectsPlugin'
end
end
puts "Reading plugin info from cheatsheet..."
pi = MakePlugin::PluginInfo.new(root, plugin_name)
puts "Creating plugin #{pi.name}..."
puts "Type: #{pi.type}"
puts "CTRL ports: #{pi.ctrl_ports.length}"
Templates = %w{
manifest.ttl.in
Plugin.ttl
Plugin.h
Plugin.cpp
}
begin
Dir.mkdir(target_dir)
Templates.each do |t|
tpl = IO.read(File.join(template_dir, t))
.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('@TTLPortDefs@', make_lv2_port_defs(pi))
.gsub('@TTLPluginType@', get_lv2_plugin_type(pi))
fname = t.sub('Plugin', pi.name)
puts " - #{fname}..."
File.open(File.join(target_dir, fname), "w") do |f|
f.write(tpl)
end
end
rescue SystemCallError => e
puts "Could not create plugin: #{e}"
puts "Aborting!"
end
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