CXXStateTree/examples/export_dot_nested.cpp at af08af3f4177fd079384cca7fd17ef2d6d639479 · ZigRazor/CXXStateTree · GitHub

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#include "CXXStateTree/StateTree.h"
#include <iostream>
#include <fstream>

using namespace CXXStateTree;

int main()
{
       auto tree = StateTree::Builder()
                       .initial("Main")
                       .state("Main", [](State &s)
                              { s.initial_substate("Idle")
                                    .substate("Idle", [](State &s)
                                              { s.on("Start", "Running", nullptr, [](const std::any &)
                                                     { std::cout << "Transition: Idle -> Running" << std::endl; }); })

                                    .substate("Running", [](State &s)
                                              { s.on("Stop", "Idle", nullptr, [](const std::any &)
                                                     { std::cout << "Transition: Running -> idle" << std::endl; }); })

                                    .on("Switch", "Alternate", nullptr, [](const std::any &)
                                        { std::cout << "Transition: Main -> Alternate" << std::endl; }); })
                       .state("Alternate", [](State &s)
                              { s.initial_substate("Idle")
                                    .substate("Idle", [](State &s)
                                              { s.on("Start", "Running", nullptr, [](const std::any &)
                                                     { std::cout << "Transition: Idle -> Running" << std::endl; }); })

                                    .substate("Running", [](State &s)
                                              { s.on("Stop", "Idle", nullptr, [](const std::any &)
                                                     { std::cout << "Transition: Running -> idle" << std::endl; }); })
                                    .on("Switch", "Main", nullptr, [](const std::any &)
                                        { std::cout << "Transition: Alternate -> Main" << std::endl; }); })
                       .build();

       // Export to DOT format and print
       std::string dot = tree.export_dot();
       std::cout << dot;

       // Optionally write to file
       std::ofstream("example_state_tree_nested.dot") << dot;

       return 0;
}