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/*
* This source code is released into the public domain.
*/
module;
#include <functional>
#include <string>
#include <ucl.h>
module nihil.ucl;
namespace nihil::ucl {
parse_error::parse_error(std::string what)
: error(std::move(what))
{
}
auto macro_handler::handle(unsigned char const *data, std::size_t len, void *ud)
-> bool
{
auto handler = static_cast<macro_handler *>(ud);
auto string = std::string_view(
reinterpret_cast<char const *>(data),
len);
return handler->callback(string);
}
parser::parser(int flags)
{
if ((_parser = ::ucl_parser_new(flags)) != nullptr)
return;
throw error("failed to create UCL parser");
}
parser::parser()
: parser(0)
{
}
parser::~parser()
{
if (_parser)
::ucl_parser_free(_parser);
}
auto parser::register_value(
this parser &self,
std::string_view variable,
std::string_view value)
-> void
{
::ucl_parser_register_variable(
self._parser,
std::string(variable).c_str(),
std::string(value).c_str());
}
auto parser::top(this parser &self) -> map<object>
{
if (self._parser == nullptr)
throw error("attempt to call top() on an empty parser");
auto obj = ::ucl_parser_get_object(self._parser);
if (obj == nullptr)
throw error("attempt to call top() on an empty parser");
// ucl_parser_get_objects() refs the object for us.
return {noref, obj};
}
} // namespace nihil::ucl
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