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#ifndef UIO_HH
#define UIO_HH
#include "io.hh" // IWYU pragma: export
#include <cstddef>
#include <expected>
#include <string>
namespace u {
enum class ReaderInputFormat : uint8_t {
UTF8,
UTF16_BE,
UTF16_LE,
DETECT,
};
struct ReaderConfig {
// If false (default), invalid data is replaced with U+FFFD
bool strict{false};
// Input format
ReaderInputFormat input{ReaderInputFormat::DETECT};
// If true (default), any BOM found at start of stream will be skipped
bool skip_bom{true};
};
} // namespace u
namespace u8 {
class Reader : public io::Reader {
public:
using io::Reader::read;
using io::Reader::repeat_read;
[[nodiscard]] std::expected<size_t, io::ReadError> read(std::string& data,
size_t max);
[[nodiscard]] std::expected<size_t, io::ReadError> repeat_read(
std::string& data, size_t max);
};
[[nodiscard]] std::unique_ptr<Reader> open(std::unique_ptr<io::Reader> reader,
u::ReaderConfig config = {});
} // namespace u8
namespace u16 {
class Reader : public io::Reader {
public:
using io::Reader::read;
using io::Reader::repeat_read;
[[nodiscard]] std::expected<size_t, io::ReadError> read(std::u16string& data,
size_t max);
[[nodiscard]] std::expected<size_t, io::ReadError> repeat_read(
std::u16string& data, size_t max);
};
[[nodiscard]] std::unique_ptr<Reader> open(std::unique_ptr<io::Reader> reader,
u::ReaderConfig config = {});
} // namespace u16
#endif // UIO_HH
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