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#ifndef UTF_UTF16_HH
#define UTF_UTF16_HH
#include "macros.hh"
#include <cstdint>
#include <span>
namespace utf {
/**
* Read one unicode codepoint from UTF-16 BigEndian encoded data if possible.
* If successfull offset is incremented to point to next codepoint.
* Will fail:
* - not enough data is left in data given offset, returns NEED_MORE.
* - data is not valid UTF-16, ie. invalid or incomplete surrogate pairs,
* returns INVALID.
*/
uint32_t HIDDEN read16be(std::span<uint8_t const> data, std::size_t& offset);
/**
* Read one unicode codepoint from UTF-16 LittleEndian encoded data if possible.
* If successfull offset is incremented to point to next codepoint.
* Will fail:
* - not enough data is left in data given offset, returns NEED_MORE.
* - data is not valid UTF-16, ie. invalid or incomplete surrogate pairs,
* returns INVALID.
*/
uint32_t HIDDEN read16le(std::span<uint8_t const> data, std::size_t& offset);
} // namespace utf
#endif // UTF_UTF16_HH
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