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-rwxr-xr-xutil/machina2dot184
1 files changed, 184 insertions, 0 deletions
diff --git a/util/machina2dot b/util/machina2dot
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+++ b/util/machina2dot
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+#!/usr/bin/python
+
+import sys
+import RDF
+
+model = RDF.Model()
+parser = RDF.Parser(name="guess")
+
+if len(sys.argv) != 2:
+ print "Usage: machina2dot FILE"
+ sys.exit(-1)
+
+parser.parse_into_model(model, "file:" + sys.argv[1])
+
+print """
+digraph finite_state_machine {
+ rankdir=LR;
+ {
+ node [ shape = doublecircle ];
+""",
+
+written_nodes = {}
+node_durations = {}
+invis_id = 0;
+
+
+# Initial selectors
+
+initial_selectors_query = RDF.SPARQLQuery("""
+PREFIX machina: <http://drobilla.net/ns/machina#>
+SELECT DISTINCT ?n ?dur ?note WHERE {
+ ?m machina:initialNode ?n .
+ ?n a machina:SelectorNode ;
+ machina:duration ?dur .
+ OPTIONAL { ?n machina:enterAction ?a .
+ ?a machina:midiNote ?note }
+}
+""")
+
+for result in initial_selectors_query.execute(model):
+ node_id = result['n'].blank_identifier
+ duration = float(result['dur'].literal_value['string'])
+ written_nodes[node_id] = True;
+ node_durations[node_id] = duration
+ print "\t{ node [ style = invis ] ",
+ print "invis%d" % invis_id, " }"
+
+ label = "d=%.1f" % duration
+ if result['note']:
+ label += "\\nn=%s" % result['note'].literal_value['string']
+
+ print '\t', node_id, "[ label=\"%s\" ]" % label
+ print '\t', "invis%d" % invis_id, " -> ", node_id
+ invis_id += 1
+
+print """ } {
+ node [ shape = circle ];
+"""
+
+
+# Initial non-selectors
+
+initial_nodes_query = RDF.SPARQLQuery("""
+PREFIX machina: <http://drobilla.net/ns/machina#>
+SELECT DISTINCT ?n ?dur ?note WHERE {
+ ?m machina:initialNode ?n .
+ ?n a machina:Node ;
+ machina:duration ?dur .
+ OPTIONAL { ?n machina:enterAction ?a .
+ ?a machina:midiNote ?note }
+}
+""")
+
+for result in initial_nodes_query.execute(model):
+ node_id = result['n'].blank_identifier
+ duration = float(result['dur'].literal_value['string'])
+
+ if written_nodes.has_key(node_id):
+ continue
+
+ written_nodes[node_id] = True;
+ node_durations[node_id] = duration
+ print "\t{ node [ style = invis ] ",
+ print "invis%d" % invis_id, " }"
+
+ label = "d=%.1f" % duration
+ if result['note']:
+ label += "\\nn=%s" % result['note'].literal_value['string']
+
+ print '\t', node_id, "[ label=\"%s\" ]" % label
+ print '\t', "invis%d" % invis_id, " -> ", node_id
+ invis_id += 1
+
+
+# Non-initial selectors
+
+print """ } {
+ node [ shape = doublecircle ];
+"""
+
+selectors_query = RDF.SPARQLQuery("""
+PREFIX machina: <http://drobilla.net/ns/machina#>
+SELECT DISTINCT ?n ?dur ?note WHERE {
+ ?m machina:node ?n .
+ ?n a machina:SelectorNode ;
+ machina:duration ?dur .
+ OPTIONAL { ?n machina:enterAction ?a .
+ ?a machina:midiNote ?note }
+}
+""")
+
+
+for result in selectors_query.execute(model):
+ node_id = result['n'].blank_identifier
+ duration = float(result['dur'].literal_value['string'])
+
+ if written_nodes.has_key(node_id):
+ continue
+
+ node_durations[node_id] = duration
+
+ label = "d=%.1f" % duration
+ if result['note']:
+ label += "\\nn=%s" % result['note'].literal_value['string']
+
+ print '\t', node_id, "[ label=\"%s\" ]" % label
+
+
+
+# Non-initial non-selectors
+
+print """ } {
+ node [ shape = circle ];
+"""
+
+nodes_query = RDF.SPARQLQuery("""
+PREFIX machina: <http://drobilla.net/ns/machina#>
+SELECT DISTINCT ?n ?dur ?note WHERE {
+ ?m machina:node ?n .
+ ?n a machina:Node ;
+ machina:duration ?dur .
+ OPTIONAL { ?n machina:enterAction ?a .
+ ?a machina:midiNote ?note }
+}
+""")
+
+
+for result in nodes_query.execute(model):
+ node_id = result['n'].blank_identifier
+ duration = float(result['dur'].literal_value['string'])
+
+ if written_nodes.has_key(node_id):
+ continue
+
+ node_durations[node_id] = duration
+
+ label = "d=%.1f" % duration
+ if result['note']:
+ label += "\\nn=%s" % result['note'].literal_value['string']
+
+ print '\t', node_id, "[ label=\"%s\" ]" % label
+
+
+# Edges
+
+edge_query = RDF.SPARQLQuery("""
+PREFIX machina: <http://drobilla.net/ns/machina#>
+SELECT DISTINCT ?tail ?head ?prob WHERE {
+ ?e a machina:Edge ;
+ machina:tail ?tail ;
+ machina:head ?head ;
+ machina:probability ?prob .
+}
+""")
+
+for edge in edge_query.execute(model):
+ print '\t', edge['tail'].blank_identifier, ' -> ',
+ print edge['head'].blank_identifier, ' ',
+ print "[ label = \"%1.2f\"" % float(edge['prob'].literal_value['string']),
+ print "minlen = ", node_durations[edge['tail'].blank_identifier]+0.1, " ];"
+
+print """
+ }
+}"""