diff options
Diffstat (limited to 'rotord/graph.cpp')
| -rw-r--r-- | rotord/graph.cpp | 74 |
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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