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#include "cpptoml.h"
#include <iostream>
#include <limits>
/**
* A visitor for toml objects that writes to an output stream in the JSON
* format that the toml-test suite expects.
*/
class toml_test_writer
{
public:
toml_test_writer(std::ostream& s) : stream_(s)
{
// nothing
}
void visit(const cpptoml::value<std::string>& v)
{
stream_ << "{\"type\":\"string\",\"value\":\""
<< cpptoml::toml_writer::escape_string(v.get()) << "\"}";
}
void visit(const cpptoml::value<int64_t>& v)
{
stream_ << "{\"type\":\"integer\",\"value\":\"" << v.get() << "\"}";
}
void visit(const cpptoml::value<double>& v)
{
stream_ << "{\"type\":\"float\",\"value\":\"" << v.get() << "\"}";
}
void visit(const cpptoml::value<cpptoml::local_date>& v)
{
stream_ << "{\"type\":\"local_date\",\"value\":\"" << v.get() << "\"}";
}
void visit(const cpptoml::value<cpptoml::local_time>& v)
{
stream_ << "{\"type\":\"local_time\",\"value\":\"" << v.get() << "\"}";
}
void visit(const cpptoml::value<cpptoml::local_datetime>& v)
{
stream_ << "{\"type\":\"local_datetime\",\"value\":\"" << v.get()
<< "\"}";
}
void visit(const cpptoml::value<cpptoml::offset_datetime>& v)
{
stream_ << "{\"type\":\"datetime\",\"value\":\"" << v.get() << "\"}";
}
void visit(const cpptoml::value<bool>& v)
{
stream_ << "{\"type\":\"bool\",\"value\":\"" << v << "\"}";
}
void visit(const cpptoml::array& arr)
{
stream_ << "{\"type\":\"array\",\"value\":[";
auto it = arr.get().begin();
while (it != arr.get().end())
{
(*it)->accept(*this);
if (++it != arr.get().end())
stream_ << ", ";
}
stream_ << "]}";
}
void visit(const cpptoml::table_array& tarr)
{
stream_ << "[";
auto arr = tarr.get();
auto ait = arr.begin();
while (ait != arr.end())
{
(*ait)->accept(*this);
if (++ait != arr.end())
stream_ << ", ";
}
stream_ << "]";
}
void visit(const cpptoml::table& t)
{
stream_ << "{";
auto it = t.begin();
while (it != t.end())
{
stream_ << '"' << cpptoml::toml_writer::escape_string(it->first)
<< "\":";
it->second->accept(*this);
if (++it != t.end())
stream_ << ", ";
}
stream_ << "}";
}
private:
std::ostream& stream_;
};
int main()
{
std::cout.precision(std::numeric_limits<double>::max_digits10);
cpptoml::parser p{std::cin};
try
{
std::shared_ptr<cpptoml::table> g = p.parse();
toml_test_writer writer{std::cout};
g->accept(writer);
std::cout << std::endl;
}
catch (const cpptoml::parse_exception& ex)
{
std::cerr << "Parsing failed: " << ex.what() << std::endl;
return 1;
}
catch (...)
{
std::cerr << "Something horrible happened!" << std::endl;
// return as if there was success so that toml-test will complain
return 0;
}
return 0;
}
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