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#include <fstream>
#include <iostream>
#include <vector>
#include "yaml-cpp/eventhandler.h"
#include "yaml-cpp/yaml.h" // IWYU pragma: keep
struct Params {
bool hasFile;
std::string fileName;
};
Params ParseArgs(int argc, char** argv) {
Params p;
std::vector<std::string> args(argv + 1, argv + argc);
return p;
}
class NullEventHandler : public YAML::EventHandler {
public:
virtual void OnDocumentStart(const YAML::Mark&) {}
virtual void OnDocumentEnd() {}
virtual void OnNull(const YAML::Mark&, YAML::anchor_t) {}
virtual void OnAlias(const YAML::Mark&, YAML::anchor_t) {}
virtual void OnScalar(const YAML::Mark&, const std::string&, YAML::anchor_t,
const std::string&) {}
virtual void OnSequenceStart(const YAML::Mark&, const std::string&,
YAML::anchor_t) {}
virtual void OnSequenceEnd() {}
virtual void OnMapStart(const YAML::Mark&, const std::string&,
YAML::anchor_t) {}
virtual void OnMapEnd() {}
};
void parse(std::istream& input) {
try {
YAML::Node doc = YAML::Load(input);
std::cout << doc << "\n";
} catch (const YAML::Exception& e) {
std::cerr << e.what() << "\n";
}
}
int main(int argc, char** argv) {
Params p = ParseArgs(argc, argv);
if (argc > 1) {
std::ifstream fin;
fin.open(argv[1]);
parse(fin);
} else {
parse(std::cin);
}
return 0;
}
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