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#include "yaml-cpp/yaml.h"
#include "yaml-cpp/eventhandler.h"
#include <fstream>
#include <iostream>
#include <vector>
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::Parser parser(input);
YAML::Node doc;
while(parser.GetNextDocument(doc)) {
YAML::Emitter emitter;
emitter << doc;
std::cout << emitter.c_str() << "\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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