Duckstation/dep/rapidyaml/include/c4/yml/std/vector.hpp
2024-02-04 16:14:05 +10:00

54 lines
1.2 KiB
C++

#ifndef _C4_YML_STD_VECTOR_HPP_
#define _C4_YML_STD_VECTOR_HPP_
#include "c4/yml/node.hpp"
#include <c4/std/vector.hpp>
#include <vector>
namespace c4 {
namespace yml {
// vector is a sequence-like type, and it requires child nodes
// in the data tree hierarchy (a SEQ node in ryml parlance).
// So it should be serialized via write()/read().
template<class V, class Alloc>
void write(c4::yml::NodeRef *n, std::vector<V, Alloc> const& vec)
{
*n |= c4::yml::SEQ;
for(auto const& v : vec)
n->append_child() << v;
}
template<class V, class Alloc>
bool read(c4::yml::ConstNodeRef const& n, std::vector<V, Alloc> *vec)
{
vec->resize(n.num_children());
size_t pos = 0;
for(auto const ch : n)
ch >> (*vec)[pos++];
return true;
}
/** specialization: std::vector<bool> uses std::vector<bool>::reference as
* the return value of its operator[]. */
template<class Alloc>
bool read(c4::yml::ConstNodeRef const& n, std::vector<bool, Alloc> *vec)
{
vec->resize(n.num_children());
size_t pos = 0;
bool tmp;
for(auto const ch : n)
{
ch >> tmp;
(*vec)[pos++] = tmp;
}
return true;
}
} // namespace yml
} // namespace c4
#endif // _C4_YML_STD_VECTOR_HPP_