func parseSignalGraph(text, context string) (job *PasteJob, ok bool) {
xmlsg := backend.XmlSignalGraph{}
_, xmlerr := xmlsg.Read([]byte(text))
if xmlerr != nil {
return
}
for _, l := range xmlsg.Libraries {
_, err := global.LibraryMgr().Access(l.Name)
if err != nil {
fmt.Printf("parseSignalGraph error: referenced library %s not accessible.\n", l.Name)
return
}
}
var njob *NewElementJob
njob = NewElementJobNew(context, eSignalGraph)
job = PasteJobNew()
job.context = context
job.newElements = append(job.newElements, njob)
for _, xmln := range xmlsg.ProcessingNodes {
_, validNodeType := freesp.GetNodeTypeByName(xmln.NType)
if !validNodeType {
fmt.Printf("parseSignalGraph error: node type %s not registered.\n", xmln.NType)
return
}
njob = NewElementJobNew(context, eNode)
njob.input[iNodeName] = xmln.NName
njob.input[iNodeTypeSelect] = xmln.NType
pj := PasteJobNew()
pj.newElements = append(pj.newElements, njob)
job.children = append(job.children, pj)
}
for _, xmln := range xmlsg.InputNodes {
if len(xmln.OutPort) == 0 {
fmt.Printf("parseSignalGraph error: input node has no outports.\n")
return
}
njob = NewElementJobNew(context, eInputNode)
njob.input[iInputNodeName] = xmln.NName
njob.input[iInputTypeSelect] = xmln.OutPort[0].PType // TODO
pj := PasteJobNew()
pj.newElements = append(pj.newElements, njob)
job.children = append(job.children, pj)
}
for _, xmln := range xmlsg.OutputNodes {
if len(xmln.InPort) == 0 {
fmt.Printf("parseSignalGraph error: output node has no inports.\n")
return
}
njob = NewElementJobNew(context, eOutputNode)
njob.input[iOutputNodeName] = xmln.NName
njob.input[iOutputTypeSelect] = xmln.InPort[0].PType // TODO
pj := PasteJobNew()
pj.newElements = append(pj.newElements, njob)
job.children = append(job.children, pj)
}
ok = true
return
}
func createSignalGraphTypeFromXml(g *backend.XmlSignalGraph, name string, context mod.ModelContextIf,
resolvePort func(portname string, dir gr.PortDirection) *portType) (t *signalGraphType, err error) {
t = SignalGraphTypeNew(context)
for _, ref := range g.Libraries {
l, ok := freesp.GetLibraryByName(ref.Name)
if !ok {
var f fd.FileDataIf
f, err = t.context.LibraryMgr().Access(ref.Name)
if err != nil {
err = fmt.Errorf("createSignalGraphTypeFromXml error: referenced library file %s not found", ref.Name)
return
}
l = f.(bh.LibraryIf)
freesp.RegisterLibrary(l)
fmt.Println("createSignalGraphTypeFromXml: library", ref.Name, "successfully loaded")
}
t.libraries = append(t.libraries, l)
}
for _, n := range g.InputNodes {
var nnode *node
nnode, err = t.createInputNodeFromXml(n, resolvePort)
if err != nil {
return
}
t.inputNodes = append(t.inputNodes, nnode)
t.nodes.Append(nnode)
}
for _, n := range g.OutputNodes {
var nnode *node
nnode, err = t.createOutputNodeFromXml(n, resolvePort)
if err != nil {
return
}
t.outputNodes = append(t.outputNodes, nnode)
t.nodes.Append(nnode)
}
for _, n := range g.ProcessingNodes {
nnode := t.createNodeFromXml(n.XmlNode)
t.processingNodes = append(t.processingNodes, nnode)
t.nodes.Append(nnode)
}
for i, c := range g.Connections {
n1, ok := t.NodeByName(c.From)
if !ok {
dump, _ := g.Write()
log.Println("createSignalGraphTypeFromXml error:")
log.Fatal(fmt.Sprintf("invalid edge %d: node %s not found\n%s", i, c.From, dump))
}
n2, ok := t.NodeByName(c.To)
if !ok {
dump, _ := g.Write()
log.Println("createSignalGraphTypeFromXml error:")
log.Fatal(fmt.Sprintf("invalid edge %d: node %s not found\n%s", i, c.To, dump))
}
p1, err := n1.(*node).outPortFromName(c.FromPort)
if err != nil {
dump, _ := g.Write()
log.Println("createSignalGraphTypeFromXml error:")
log.Printf("edge = %v\n", c)
log.Printf("node = %v, missing port = %s\n", n1, c.FromPort)
log.Fatal(fmt.Sprintf("invalid edge %d outPortFromName failed: %s\n%s", i, err, dump))
}
p2, err := n2.(*node).inPortFromName(c.ToPort)
if err != nil {
dump, _ := g.Write()
log.Println("createSignalGraphTypeFromXml error:")
log.Fatal(fmt.Sprintf("invalid edge %d inPortFromName failed: %s\n%s", i, err, dump))
}
err = p1.AddConnection(ConnectionNew(p1, p2))
if err != nil {
dump, _ := g.Write()
log.Println("createSignalGraphTypeFromXml error:")
log.Fatal(fmt.Sprintf("invalid edge %d PortConnect failed: %s\n%s", i, err, dump))
}
}
return
}