void write_json_helper(std::basic_ostream<typename Ptree::key_type::value_type> &stream,
const Ptree &pt,
int indent, bool pretty)
{
typedef typename Ptree::key_type::value_type Ch;
typedef typename std::basic_string<Ch> Str;
// Value or object or array
if (indent > 0 && pt.empty())
{
// Write value
Str data = create_escapes(pt.template get_value<Str>());
stream << Ch('"') << data << Ch('"');
}
else if (indent > 0 && pt.count(Str()) == pt.size())
{
// Write array
stream << Ch('[');
if (pretty) stream << Ch('\n');
typename Ptree::const_iterator it = pt.begin();
for (; it != pt.end(); ++it)
{
if (pretty) stream << Str(4 * (indent + 1), Ch(' '));
write_json_helper(stream, it->second, indent + 1, pretty);
if (lslboost::next(it) != pt.end())
stream << Ch(',');
if (pretty) stream << Ch('\n');
}
stream << Str(4 * indent, Ch(' ')) << Ch(']');
}
else
{
// Write object
stream << Ch('{');
if (pretty) stream << Ch('\n');
typename Ptree::const_iterator it = pt.begin();
for (; it != pt.end(); ++it)
{
if (pretty) stream << Str(4 * (indent + 1), Ch(' '));
stream << Ch('"') << create_escapes(it->first) << Ch('"') << Ch(':');
if (pretty) {
if (it->second.empty())
stream << Ch(' ');
else
stream << Ch('\n') << Str(4 * (indent + 1), Ch(' '));
}
write_json_helper(stream, it->second, indent + 1, pretty);
if (lslboost::next(it) != pt.end())
stream << Ch(',');
if (pretty) stream << Ch('\n');
}
if (pretty) stream << Str(4 * indent, Ch(' '));
stream << Ch('}');
}
}
void check_dupes(const Ptree &pt)
{
if(pt.size() <= 1)
return;
const typename Ptree::key_type *lastkey = 0;
typename Ptree::const_assoc_iterator it = pt.ordered_begin(),
end = pt.not_found();
lastkey = &it->first;
for(++it; it != end; ++it) {
if(*lastkey == it->first)
BOOST_PROPERTY_TREE_THROW(ini_parser_error(
"duplicate key", "", 0));
lastkey = &it->first;
}
}
