book_chunked.h

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#pragma once
 
#include <stdint.h>
 
#include "book.h"
#include "book_stream.h"
#include "ra8_err.h"
#include "ra8_vsource.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
  ra8_vsource_read_fn file_read;         
  void*               file_ctx;          
  book_inflate_fn     inflate_cb;        
  const uint64_t*     table;             
  uint32_t            table_cap_entries; 
  uint8_t*            staging;           
  uint32_t            staging_cap;       
  uint64_t            payload_off;       
  uint64_t            inflated_total;    
  uint32_t            chunk_bytes;       
  uint32_t            chunk_count;       
} book_chunked_t;

[[nodiscard]] ra8_err_t book_chunked_open(book_chunked_t*     rd,
                                          ra8_vsource_read_fn file_read,
                                          void*               file_ctx,
                                          uint64_t            file_len,
                                          book_inflate_fn     inflate,
                                          uint64_t*           table_buf,
                                          uint32_t            table_cap_entries,
                                          uint8_t*            staging,
                                          uint32_t            staging_cap);

[[nodiscard]] ra8_err_t book_chunked_read(void* ctx, uint64_t offset, uint8_t* buf, uint32_t len);

[[nodiscard]] ra8_err_t book_chunked_validate_strict(book_chunked_t* rd,
                                                     uint8_t*        chunk,
                                                     uint32_t        chunk_cap,
                                                     uint8_t*        scratch,
                                                     uint32_t        scratch_cap,
                                                     book_header_t*  out_header);
 
#ifdef __cplusplus
}
#endif