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#define PY_SSIZE_T_CLEAN
#include <Python.h>
#include <stdbool.h>
#include <stdint.h>
// Default readahead buffer size for streaming reads.
// Set to 1 for backwards compatibility (no buffering).
#define CBOR2_DEFAULT_READ_SIZE 1
#define CBOR2_DEFAULT_MAX_DEPTH 400
// Forward declaration for function pointer typedef
struct CBORDecoderObject_;
// Function pointer type for read dispatch (eliminates runtime check)
typedef int (*fp_read_fn)(struct CBORDecoderObject_ *, char *, Py_ssize_t);
typedef struct CBORDecoderObject_ {
PyObject_HEAD
PyObject *read; // cached read() method of fp
PyObject *tag_hook;
PyObject *object_hook;
PyObject *shareables;
PyObject *stringref_namespace;
const char *str_errors; // NULL for strict, "replace" for replace mode
Py_ssize_t max_depth;
bool immutable;
Py_ssize_t shared_index;
Py_ssize_t decode_depth;
// Readahead buffer for streaming
char *readahead; // allocated buffer
Py_ssize_t readahead_size; // size of allocated buffer
Py_ssize_t read_pos; // current position in buffer
Py_ssize_t read_len; // valid bytes in buffer
// Read dispatch - points to unbuffered or buffered implementation
fp_read_fn fp_read;
} CBORDecoderObject;
extern PyTypeObject CBORDecoderType;
PyObject * CBORDecoder_new(PyTypeObject *, PyObject *, PyObject *);
int CBORDecoder_init(CBORDecoderObject *, PyObject *, PyObject *);
PyObject * CBORDecoder_decode(CBORDecoderObject *);
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