void write_json_internal(std::basic_ostream<typename Ptree::char_type> &stream,
const Ptree &pt,
const std::string &filename)
{
if (!verify_json(pt, 0))
throw json_parser_error("ptree contains data that cannot be represented in JSON format", filename, 0);
write_json_helper(stream, pt, 0);
stream << std::endl;
if (!stream.good())
throw json_parser_error("write error", filename, 0);
}
void write_json_internal(std::basic_ostream<typename Ptree::key_type::value_type> &stream,
const Ptree &pt,
const std::string &filename,
bool pretty)
{
if (!verify_json(pt, 0))
BOOST_PROPERTY_TREE_THROW(json_parser_error("ptree contains data that cannot be represented in JSON format", filename, 0));
write_json_helper(stream, pt, 0, pretty);
stream << std::endl;
if (!stream.good())
BOOST_PROPERTY_TREE_THROW(json_parser_error("write error", filename, 0));
}
void read_json(const std::string &filename,
Ptree &pt,
const std::locale &loc = std::locale())
{
std::basic_ifstream<typename Ptree::key_type::value_type>
stream(filename.c_str());
if (!stream)
BOOST_PROPERTY_TREE_THROW(json_parser_error(
"cannot open file", filename, 0));
stream.imbue(loc);
detail::read_json_internal(stream, pt, filename);
}
void write_json(const std::string &filename,
const Ptree &pt,
const std::locale &loc = std::locale(),
bool pretty = true)
{
std::basic_ofstream<typename Ptree::key_type::value_type>
stream(filename.c_str());
if (!stream)
BOOST_PROPERTY_TREE_THROW(json_parser_error(
"cannot open file", filename, 0));
stream.imbue(loc);
write_json_internal(stream, pt, filename, pretty);
}
