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#!/usr/bin/python
from xml.sax import make_parser
from xml.sax.handler import ContentHandler
import sys
class ControlPort():
def __init__ (self):
self.name = ""
self.units = ""
self.minimum = ""
self.maximum = ""
self.default = ""
def setMaximum(self,theMaximum):
self.maximum = theMaximum
def setMinimum(self,theMinimum):
self.minimum = theMinimum
def setDefault(self,theDefault):
self.default = theDefault
def setName(self,theName):
self.name = theName
def setUnits(self,theUnits):
self.units = theUnits
class AudioPort():
def __init__ (self):
self.name = ""
self.numPorts = 0
def getName(self):
return self.name
def setName(self,theName):
self.name = theName
def setNumPorts(self,theNumPorts):
self.numPorts = int(theNumPorts)
class ExporterHandler(ContentHandler):
def __init__ (self):
self.inputAudio = []
self.outputAudio = []
self.inputControl = []
self.outputControl = []
self.flagInAudio = 0;
self.flagOutAudio = 0;
self.flagInControl = 0;
self.flagOutControl = 0;
self.label = ""
self.audioAux = None
self.controlAux = None
def startElement(self, name, attrs):
self.label = name
if name == "processing":
if attrs.get('type') == 'AudioSink':
self.flagOutAudio = 1
self.audioAux = AudioPort()
self.audioAux.setName(attrs.get('id'))
elif attrs.get('type') == 'AudioSource':
self.flagInAudio = 1
self.audioAux = AudioPort()
self.audioAux.setName(attrs.get('id'))
elif attrs.get('type') == 'ControlSink':
self.flagOutControl = 1
self.controlAux = ControlPort()
self.controlAux.setName(attrs.get('id'))
elif attrs.get('type') == 'ControlSource':
self.flagInControl = 1
self.controlAux = ControlPort()
self.controlAux.setName(attrs.get('id'))
def characters (self, ch):
if self.label == "NSinks" or self.label == "NSources":
self.audioAux.setNumPorts( self.audioAux.numPorts + int(ch) )
elif self.label == "MinValue":
self.controlAux.setMinimum( self.controlAux.minimum + ch )
elif self.label == "MaxValue":
self.controlAux.setMaximum( self.controlAux.maximum + ch )
elif self.label == "DefaultValue":
self.controlAux.setDefault( self.controlAux.default + ch )
elif self.label == "UnitName":
self.controlAux.setUnits( self.controlAux.units + ch )
def endElement(self, name):
self.label = ""
if name == "processing":
if self.flagOutAudio:
self.outputAudio.append(self.audioAux)
self.flagOutAudio = 0
self.audioAux = None
elif self.flagInAudio:
self.inputAudio.append(self.audioAux)
self.flagInAudio = 0
self.audioAux = None
elif self.flagOutControl:
if self.controlAux.default == "":
self.controlAux.setDefault(repr(((float(self.controlAux.maximum)-float(self.controlAux.minimum))/2)+float(self.controlAux.minimum)))
self.outputControl.append(self.controlAux)
self.flagOutControl = 0
self.controlAux = None
elif self.flagInControl:
if self.controlAux.default == "":
self.controlAux.setDefault(repr(((float(self.controlAux.maximum)-float(self.controlAux.minimum))/2)+float(self.controlAux.minimum)))
self.inputControl.append(self.controlAux)
self.flagInControl = 0
self.controlAux = None
def numTotalPorts(self):
numTotalPorts = 0
for inAudio in self.inputAudio:
numTotalPorts += int(inAudio.numPorts)
for outAudio in self.outputAudio:
numTotalPorts += int(outAudio.numPorts)
numTotalPorts +=len(self.inputControl)+len(self.outputControl)
return numTotalPorts
def printTTL(self,clamnetwork,uri,name):
#TODO change the static PATH for Dynamic PATH
f = open(name.lower()+'.ttl', 'w')
f.write('@prefix lv2: <http://lv2plug.in/ns/lv2core#>.\n')
f.write('@prefix doap: <http://usefulinc.com/ns/doap#>.\n\n')
f.write('<'+uri+'>\n')
f.write('\ta lv2:Plugin;\n')
f.write('\tlv2:binary <'+name.capitalize()+'.so>;\n')
f.write('\tdoap:name "'+name.capitalize()+'";\n')
f.write('\tdoap:license <http://usefulinc.com/doap/licenses/gpl>;\n\n')
f.write('\tlv2:port\n')
index =0
for inControl in self.inputControl:
f.write('\t[\n')
f.write('\t\ta lv2:ControlPort, lv2:InputPort;\n')
f.write('\t\tlv2:index '+repr(index)+';\n')
f.write('\t\tlv2:symbol "'+inControl.name.strip().replace(" ","_")+'";\n')
f.write('\t\tlv2:name "'+inControl.name.strip().capitalize()+'";\n')
f.write('\t\tlv2:default '+inControl.default+';\n')
f.write('\t\tlv2:minimum '+inControl.minimum+';\n')
f.write('\t\tlv2:maximum '+inControl.maximum+';\n')
index = index+1
if index == self.numTotalPorts():
f.write('\t].\n')
else:
f.write('\t],\n')
for outControl in self.outputControl:
f.write('\t[\n')
f.write('\t\ta lv2:ControlPort, lv2:OutputPort;\n')
f.write('\t\tlv2:index '+repr(index)+';\n')
f.write('\t\tlv2:symbol "'+outControl.name.strip().replace(" ","_")+'";\n')
f.write('\t\tlv2:name "'+outControl.name.strip().capitalize()+'";\n')
f.write('\t\tlv2:default '+outControl.default+';\n')
f.write('\t\tlv2:minimum '+outControl.minimum+';\n')
f.write('\t\tlv2:maximum '+outControl.maximum+';\n')
index = index+1
if index == self.numTotalPorts():
f.write('\t].\n')
else:
f.write('\t],\n')
for inAudio in self.inputAudio:
for i in range(1,int(inAudio.numPorts)+1):
f.write('\t[\n')
f.write('\t\ta lv2:AudioPort, lv2:InputPort;\n')
f.write('\t\tlv2:index '+repr(index)+';\n')
f.write('\t\tlv2:symbol "'+(inAudio.name+"_"+repr(i)).strip().replace(" ","_")+'";\n')
f.write('\t\tlv2:name "'+(inAudio.name+"_"+repr(i)).strip().capitalize()+'";\n')
index = index+1
if index == self.numTotalPorts():
f.write('\t].\n')
else:
f.write('\t],\n')
for outAudio in self.outputAudio:
for i in range(1,int(outAudio.numPorts)+1):
f.write('\t[\n')
f.write('\t\ta lv2:AudioPort, lv2:OutputPort;\n')
f.write('\t\tlv2:index '+repr(index)+';\n')
f.write('\t\tlv2:symbol "'+(outAudio.name+"_"+repr(i)).strip().replace(" ","_")+'";\n')
f.write('\t\tlv2:name "'+(outAudio.name+"_"+repr(i)).strip().capitalize()+'";\n')
index = index+1
if index == self.numTotalPorts():
f.write('\t].\n')
else:
f.write('\t],\n')
f.close()
def printCLAM_PLUGIN(clamnetworks,uris):
f = open('clam_plugin.cxx', 'w')
f.write('#include "LV2NetworkExporter.hxx"\n')
f.write('#include "LV2Library.hxx"\n')
f.write('#include <CLAM/EmbeddedFile.hxx>\n')
f.write('#include <iostream>\n\n')
i=0
for clamnetwork in clamnetworks:
f.write('CLAM_EMBEDDED_FILE( network'+repr(i)+' ,"'+clamnetwork+'");\n')
i=i+1
f.write('\nextern "C" const LV2_Descriptor * lv2_descriptor(uint32_t index)\n')
f.write('{\n')
f.write('\tstatic LV2Library library;\n')
i=0
for uri in uris:
f.write('\tstatic LV2NetworkExporter n'+repr(i)+'(library,network'+repr(i)+',"'+uri+'");\n')
i=i+1
f.write('\treturn library.pluginAt(index);\n')
f.write('}\n')
f.close()
def openConfigFile():
networks = []
uris = []
names = []
f = open('network_and_URI.config',"r")
lines = f.readlines()
bundle = lines[0].strip()
for line in lines[1:]:
network,uri,name = line.split("\t")
network = network.strip()
uri = uri.strip()
name = name.strip()
uris.append(uri)
networks.append(network)
names.append(name)
f.close()
return bundle,networks,uris,names
def printMakeFile(bundle, names):
f = open('Makefile', 'w')
f.write("BUNDLE = %s.lv2\n"%bundle)
f.write("INSTALL_DIR = /usr/local/lib/lv2\n\n\n")
f.write("$(BUNDLE): manifest.ttl ")
for name in names:
f.write(name.lower()+".ttl ")
f.write(name.lower().capitalize()+".so\n")
f.write("\trm -rf $(BUNDLE)\n")
f.write("\tmkdir $(BUNDLE)\n")
f.write("\tcp manifest.ttl ")
for name in names:
f.write(name.lower()+".ttl ")
f.write(name.lower().capitalize()+".so $(BUNDLE)\n\n\n")
f.write(name.lower().capitalize()+".so: LV2NetworkPlayer.cxx clam_plugin.cxx LV2NetworkExporter.cxx\n")
f.write("\tg++ -shared -fPIC -DPIC clam_plugin.cxx LV2NetworkExporter.cxx LV2NetworkPlayer.cxx `pkg-config --cflags --libs lv2core clam_core clam_processing clam_audioio` -o "+name.lower().capitalize()+".so -l asound\n\n")
f.write("install: $(BUNDLE)\n\tmkdir -p $(INSTALL_DIR)\n\trm -rf $(INSTALL_DIR)/$(BUNDLE)\n\tcp -R $(BUNDLE) $(INSTALL_DIR)\n\n")
f.write("clean:\n\trm -rf $(BUNDLE) "+ name.lower().capitalize()+".so ")
for name in names:
f.write(name.lower()+".ttl ")
f.write(" clam_plugin.cxx Makefile\n")
f.close()
def printManifest(uris,names):
f = open('manifest.ttl', 'w')
f.write('@prefix lv2: <http://lv2plug.in/ns/lv2core#>.\n')
f.write('@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.\n\n')
for i in range(0,len(uris)):
f.write("<"+uris[i]+">\n\t a lv2:Plugin;\n")
f.write("\trdfs:seeAlso <"+names[i]+".ttl>.\n\n")
f.close()
def main():
bundle,clamnetworks,uris,names = openConfigFile()
printCLAM_PLUGIN(clamnetworks,uris)
for i in range(0,len(clamnetworks)):
parser = make_parser()
curHandler = ExporterHandler()
parser.setContentHandler(curHandler)
parser.parse(open(clamnetworks[i]))
curHandler.printTTL(clamnetworks[i],uris[i],names[i])
printManifest(uris,names)
printMakeFile(bundle, names)
if __name__ == '__main__' :
main()
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