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|
#! /usr/bin/ruby
# Copyright (C) 2006,2007 John Anderson
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
this_dir = File.dirname(__FILE__)
require 'faster_csv'
require "#{this_dir}/mackie.rb"
class Control
attr_accessor :id, :led, :group, :name, :ordinal, :switch
def initialize( obj, group )
@id = obj.id
@name = obj.name
@ordinal = obj.ordinal
@switch = obj.switch
@group = group
end
def ordinal_name
end
end
class Fader < Control
def self.midi_zero_byte
0xe0
end
def self.mask_for_id( bytes )
bytes[0] & 0b00001111
end
end
class Button < Control
def self.midi_zero_byte
0x90
end
def self.mask_for_id( bytes )
bytes[1]
end
end
class Led < Control
end
class LedRing < Led
end
class Pot < Control
def self.midi_zero_byte
0xb0
end
def self.mask_for_id( bytes )
bytes[1] & 0b00011111
end
def led=( rhs )
@led = LedRing.new( rhs, group )
end
end
class Group < Array
attr_accessor :name, :controls
def initialize( name )
@name = name
end
def add_control( control )
@controls ||= Array.new
@controls << control
end
end
class Strip < Group
attr_accessor :ordinal
def initialize( name, ordinal )
super( name )
@ordinal = ordinal
end
def name
@name == 'master' ? @name : "#{@name}_#{@ordinal}"
end
def is_master
name == 'master'
end
end
types = { 0xe0 => Fader, 0x90 => Button, 0xb0 => Pot }
# number of controls, name, switch, led, id
# anything that doesn't have the correct number
# of columns will be ignored
# actually, 'switch' means it generates data
# whereas 'led' means it receives data
class Row
attr_accessor :count, :name, :switch, :led, :start_id, :type, :group
attr_accessor :id, :ordinal_name, :ordinal_group, :ordinal
def initialize( hash )
@count = hash['count'].to_i
@name = hash['name']
@switch = hash['switch'].to_b
@led = hash['led'].to_b
@start_id = hash['id'].hex
@type = hash['type']
@group = hash['group']
@hash = hash
end
def each_ordinal( &block )
for i in 0...count
@ordinal = i + 1
@ordinal_name = count > 1 ? "#{name}_#{ordinal}" : name
@ordinal_group = count > 1 ? "#{group}_#{ordinal}" : group
@id = start_id + i
@hash['ordinal_name'] = @ordinal_name
@hash['ordinal_group'] = @ordinal_group
yield( self )
end
self
end
def to_hash
@hash
end
end
class Surface
attr_reader :groups, :controls_by_id, :types, :midis, :controls, :name
def initialize( name = 'none' )
@name = name
@types = Hash.new
@groups = Hash.new
@controls = Array.new
@controls_by_id = Hash.new
@midis = Hash.new
end
def add_or_create_group( name, ordinal = nil )
if name.nil?
@groups['none'] = Group.new('none')
else
group = name =~ /strip/ || name == 'master' ? Strip.new( name, ordinal ) : Group.new( name )
@groups[group.name] ||= group
end
end
def parse( control_data )
FasterCSV.parse( control_data, :headers => true ) do |csv_row|
next if csv_row.entries.size < 5 || csv_row[0] =~ /^\s*#/ || csv_row['id'].nil?
row = Row.new( csv_row )
row.each_ordinal do |row|
group = add_or_create_group( row.group, row.ordinal )
if row.switch
# for controls
control = eval "#{row.type.capitalize}.new( row, group )"
# for controls with leds
control.led = Led.new( row, group ) if row.led
else
# for LED-only entries
if row.led
control = Led.new( row, group )
control.led = control
end
end
# add the new control to the various lookups
# but first print a warning if the id is duplicated
if @controls_by_id.has_key?( row.id ) && control.group.class != Strip
duplicated = @controls_by_id[row.id]
puts "duplicate id #{control.id}:#{control.name} of #{duplicated.id}:#{duplicated.name}"
end
@controls_by_id[row.id] = control
@controls << control
group << control
# add incoming midi bytes
if row.switch
types[control.class.midi_zero_byte] = control.class
midis[control.class.midi_zero_byte] ||= Hash.new
midis[control.class.midi_zero_byte][row.id] = control
end
end
end
self
end
end
|
