NodeBuilder.h

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#ifndef CPP_APP_NODE_BUILDER_H
#define CPP_APP_NODE_BUILDER_H
 
#include <vector>
#include <string>
 
#include "ImNode.h"
 
namespace modelspace {
    /** @brief Generate a list of mapped nodes and connections from json
     * 
     * NodeBuilder receives a json file input with a list of nodes and connections
     * and builds a list of nodes from it.
     */
    class NodeBuilder {
    public:
        /// @brief Default constructor. Does nothing
        NodeBuilder() {}
 
        /// @brief Default destructor. Does nothing
        ~NodeBuilder() {}
 
        /// @brief Load a list of nodes in from json file 
        /// @param filename The name of the json file to load from
        /// @param node_key The json key at which nodes are stored. Default is no key ("")
        /// @return Error code corresponding to success/failure
        int parseNodeList(const std::string &filename, const std::string &node_key="");
 
        /// @brief Return list of nodes
        /// @return List of nodes
        std::vector<ImNode>& nodeList() {return _node_list;}
    protected:
        std::vector<ImNode> _node_list;
    };
}
 
#endif