VuoCompositionDiff.hh

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#pragma once
 
class VuoRuntimeState;
#include "VuoCompositionState.h"
 
class VuoCompositionDiff
{
public:
    enum ChangeType
    {
        ChangeStartStop,  
        ChangeNone,  
        ChangeAdd,  
        ChangeRemove,  
        ChangeReplace,  
        ChangeMove  
    };
 
private:
    char *diff;  
 
    static string joinPortIdentifier(const string &nodeIdentifier, const string &portName);
    static string convertIdentifierToPath(const char *compositionIdentifier, const char *nodeIdentifier);
    static void convertPathToIdentifier(const char *nodePath, string &compositionIdentifier, string &nodeIdentifier);
 
public:
    VuoCompositionDiff(void);
    ~VuoCompositionDiff(void);
    void setDiff(char *diff);
    ChangeType findNode(const char *compositionIdentifier, const char *nodeIdentifier, json_object **replacementObj);
    bool isNodeBeingRemovedOrReplaced(const char *compositionIdentifier, const char *nodeIdentifier, json_object **replacementObj);
    bool isNodeBeingAddedOrReplaced(const char *compositionIdentifier, const char *nodeIdentifier, json_object **replacementObj);
    bool isPortBeingReplaced(const char *portName, json_object *replacementObj);
    bool isPortReplacingAnother(const char *portName, json_object *replacementObj, string &oldNodeIdentifier, string &oldPortIdentifier);
    bool isNodeBeingMovedToHere(const char *newCompositionIdentifier, const char *nodeIdentifier, json_object *replacementObj, string &oldCompositionIdentifier);
    bool isPortBeingCopied(const char *portName, json_object *replacementObj, string &destinationCompositionIdentifier, string &destinationPortIdentifier);
    bool isCompositionStartingOrStopping(void);
};
 
extern "C"
{
void vuoSetCompositionDiff(VuoCompositionState *compositionState, char *diff);
bool vuoIsNodeBeingRemovedOrReplaced(VuoCompositionState *compositionState, const char *nodeIdentifier, json_object **replacementObj);
bool vuoIsNodeBeingAddedOrReplaced(VuoCompositionState *compositionState, const char *nodeIdentifier, json_object **replacementObj);
}