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=begin
$Id: puredata_format.rb,v 1.2 2006-03-15 04:40:47 matju Exp $
GridFlow
Copyright (c) 2001,2002,2003 by Mathieu Bouchard
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.
See file ../COPYING for further informations on licensing terms.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
=end
class PureDataFileWriter
def initialize filename
@f = File.open filename, "w"
end
def close; @f.close end
def write_patcher o
pr = o.properties
@f.puts "#N canvas #{pr[:wx]} #{pr[:wy]} #{pr[:ww]} #{pr[:wh]} 10;"
ol = o.subobjects.keys
x=0
ol.find_all {|a| a.classname=="inlet"}.sort {|a,b| a.argv[0] <=> b.argv[0] }.each {|a|
if x>a.properties[:x]
a.properties[:x]=x+16
STDERR.puts "warning: moving inlet #{a.argv[0]} to the right"
end
x=a.properties[:x]
}
x=0
ol.find_all {|a| a.classname=="outlet"}.sort {|a,b| a.argv[0] <=> b.argv[0] }.each {|a|
if x>a.properties[:x]
a.properties[:x]=x+16
STDERR.puts "warning: moving outlet #{a.argv[0]} to the right"
end
x=a.properties[:x]
}
ol.each {|so| write_object so }
ol.each_with_index {|so,i|
next if not so.instance_eval{defined? @outlets}
so.outlets.each_with_index {|conns,outlet|
next if not conns
conns.each {|target,inlet|
@f.puts "#X connect #{i} #{outlet} #{ol.index target} #{inlet};"
}
}
}
end
def list_to_s l
l.map {|x|
if Array===x then "( " + list_to_s(x) + " )" else escape(x.to_s) end
}.join " "
end
# what am i supposed to do?
def escape x; x.gsub(/[;,]/) {|x| " \\#{x}" }.gsub(/\n/) {"\\\n"} end
def escape2 x; x.gsub(/[,]/) {|x| " \\#{x} " }.gsub(/[;\$\"]/) {|x| "\\#{x}" }.gsub(/\n/) {"\\\n"} end
def write_object o
pr = o.properties
#classname = o.class.instance_eval{@foreign_name}
classname = o.classname
if classname=="jpatcher"
#@f.print "#N canvas 0 0 "
write_patcher o
end
case classname
when "display"; classname="print"
when "list"; classname="listmake"
end
t = case classname
when "jcomment"; "text"
when "messbox"; "msg"
when "jpatcher"; "restore"
when "intbox"; "floatatom"
else "obj"
end
@f.print "#X #{t} #{pr[:x]} #{pr[:y]} "
case classname
when "button"
@f.print "bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 -1"
when "jcomment"
@f.print escape2(pr[:comment].to_s)
when "messbox"
av=o.argv[0]
i=0
dollar="$".intern
while i<av.length
if av[i]==dollar then av[i,2]=("\\$"+av[i+1].to_s).intern else i+=1 end
end
@f.print(list_to_s(av))
when "slider"
#doradio = pr[:maxValue]-pr[:minValue]<=10
doradio = false
#p doradio
name = case pr[:orientation]
when 1; if doradio then "hradio" else "hsl" end
when 2,nil; if doradio then "vradio" else "vsl" end
else raise "bogus slider orientation?" end
@f.print "#{name} "+
"#{pr[:w]} #{pr[:h]} #{pr[:minValue]} #{pr[:maxValue]} 0 0 "+
"empty empty empty -2 -6 0 8 -262144 -1 -1 0 1"
when "intbox"
@f.print "5 0 0 0 - - -;"
when "inlet"; @f.print "inlet"
when "outlet"; @f.print "outlet"
when "jpatcher"
@f.print("pd ",list_to_s(o.argv))
else
@f.print(classname," ",list_to_s(o.argv))
end
@f.puts ";"
end
end
|
