source/kit/input_stream.h


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#ifndef KIT_INPUT_STREAM_H
#define KIT_INPUT_STREAM_H

#include "allocator.h"
#include "string_ref.h"

#include <stdio.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef i64 (*kit_is_read_fn)(void *state, kit_str_t destination);

typedef struct {
  void          *state;
  kit_is_read_fn read;
} kit_is_handle_t;

kit_is_handle_t kit_is_wrap_string(kit_str_t        string,
                                   kit_allocator_t *alloc);

kit_is_handle_t kit_is_wrap_file(FILE *f, kit_allocator_t *alloc);

void kit_is_destroy(kit_is_handle_t in);

#define KIT_IS_WRAP_STRING(string) kit_is_wrap_string((string), NULL)

#define KIT_IS_WRAP_FILE(f) kit_is_wrap_file((f), NULL)

#define KIT_IS_READ(in, destination) \
  (in).read((in).state, (destination))

#ifdef __cplusplus
}
#endif

#define is_read_fn kit_is_read_fn
#define is_handle_t kit_is_handle_t
#define is_wrap_string kit_is_wrap_string
#define is_wrap_file kit_is_wrap_file
#define is_destroy kit_is_destroy
#define IS_WRAP_STRING KIT_IS_WRAP_STRING
#define IS_WRAP_FILE KIT_IS_WRAP_FILE
#define IS_READ KIT_IS_READ

#endif