nix_api_external.h

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#ifndef NIX_API_EXTERNAL_H
#define NIX_API_EXTERNAL_H
#include "nix_api_expr.h"
#include "nix_api_util.h"
#include "nix_api_value.h"
#include "stdbool.h"
#include "stddef.h"
#include "stdint.h"
 
#ifdef __cplusplus
extern "C" {
#endif
// cffi start
 
typedef struct nix_string_return nix_string_return;
typedef struct nix_printer nix_printer;
typedef struct nix_string_context nix_string_context;
 
void nix_set_string_return(nix_string_return *str, const char *c);
 
nix_err nix_external_print(nix_c_context *context, nix_printer *printer,
                           const char *str);
 
nix_err nix_external_add_string_context(nix_c_context *context,
                                        nix_string_context *string_context,
                                        const char *c);
 
typedef struct NixCExternalValueDesc {
  void (*print)(void *self, nix_printer *printer);
  void (*showType)(void *self, nix_string_return *res);
  void (*typeOf)(void *self, nix_string_return *res);
  void (*coerceToString)(void *self, nix_string_context *c, int coerceMore,
                         int copyToStore, nix_string_return *res);
  int (*equal)(void *self, void *other);
  void (*printValueAsJSON)(void *self, State *, int strict,
                           nix_string_context *c, bool copyToStore,
                           nix_string_return *res);
  void (*printValueAsXML)(void *self, State *, int strict, int location,
                          void *doc, nix_string_context *c, void *drvsSeen,
                          int pos);
} NixCExternalValueDesc;
 
ExternalValue *nix_create_external_value(nix_c_context *context,
                                         NixCExternalValueDesc *desc, void *v);
 
void *nix_get_external_value_content(nix_c_context *context, ExternalValue *b);
 
// cffi end
#ifdef __cplusplus
}
#endif
#endif // NIX_API_EXTERNAL_H