file reorganisation

1 files changed, 74 insertions, 0 deletions

diff --git a/rotord/graph.cpp b/rotord/graph.cpp
new file mode 100644
index 0000000..7eeeec3
--- /dev/null
+++ b/rotord/graph.cpp
@@ -0,0 +1,74 @@
+#include "rotor.h"
+
+using namespace Rotor;
+const string Graph::toString(){
+	string xmlgraph;
+	if (loaded) {
+		xml.copyXmlToString(xmlgraph);
+		return xmlgraph;
+	}
+	else return "";
+}
+bool Graph::load(string &filename){
+	loaded=false;
+	printf("loading graph: %s\n",filename.c_str());
+	if(xml.loadFile(filename) ){
+		init(xml.getAttribute("patchbay","ID","",0),xml.getValue("patchbay","",0));
+		if(xml.pushTag("patchbay")) {
+			int n1=xml.getNumTags("node");
+			for (int i1=0;i1<n1;i1++){
+				map<string,string> settings;
+				vector<string> attrs;
+				xml.getAttributeNames("node",attrs,i1);
+				for (auto& attr: attrs) {
+					settings[attr]=xml.getAttribute("node",attr,"",i1);
+					//cerr << "Got attribute: " << attr << ":" << xml.getAttribute("node",attr,"",i1) << endl;
+				}
+				settings["description"]=xml.getValue("node","",i1);
+				Node* node=factory.create(settings);
+				if (node) {
+					cerr << "Rotor: created '" << xml.getAttribute("node","type","",i1) << "'" << endl;
+					string nodeID=xml.getAttribute("node","ID","",i1);
+					nodes[nodeID]=node;
+					if(xml.pushTag("node",i1)) {
+						int n2=xml.getNumTags("signal_input");
+						for (int i2=0;i2<n2;i2++){
+							nodes[nodeID]->create_signal_input(xml.getValue("signal_input","",i2));
+							string fromID=xml.getAttribute("signal_input","from","",i2);
+							if (nodes.find(fromID)!=nodes.end()) {
+								if (!nodes[nodeID]->inputs[i2]->connect((Signal_node*)nodes[fromID])){
+									cerr << "Rotor: graph loader cannot connect input " << i2 << " of node '" << nodeID << "' to node '" << fromID << "'" << endl;
+									return false;
+								}
+								else cerr << "Rotor: linked input " << i2 << " of node '" << nodeID << "' to node '" << fromID << "'" << endl;
+							}
+							else cerr << "Rotor: linking input " << i2 << " of node: '" << nodeID << "', cannot find target '" << fromID << "'" << endl;
+						}
+						int n3=xml.getNumTags("image_input");
+						for (int i3=0;i3<n3;i3++){
+							((Image_node*)nodes[nodeID])->create_image_input(xml.getValue("image_input","",i3));
+							string fromID=xml.getAttribute("image_input","from","",i3);
+							if (nodes.find(fromID)!=nodes.end()) {
+								if (!(((Image_node*)nodes[nodeID])->image_inputs[i3]->connect((Image_node*)nodes[fromID]))){
+									cerr << "Rotor: graph loader cannot connect image input " << i3 << " of node '" << nodeID << "' to node '" << fromID << "'" << endl;
+									return false;
+								}
+								else cerr << "Rotor: linked image input " << i3 << " of node '" << nodeID << "' to node '" << fromID << "'" << endl;
+							}
+							else cerr << "Rotor: linking image input " << i3 << " of node: '" << nodeID << "', cannot find target '" << fromID << "'" << endl;
+						}
+						xml.popTag();
+					}
+				}
+				else {
+					cerr << "Rotor: graph loader cannot find node '" << xml.getAttribute("node","type","",i1) << "'" << endl;
+					return false;
+				}
+			}
+			xml.popTag();
+		}
+		loaded=true;
+		return true;
+	}
+	else return false;
+}
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