data.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 * All rights reserved.
 *
 * This source code is licensed under both the BSD-style license (found in the
 * LICENSE file in the root directory of this source tree) and the GPLv2 (found
 * in the COPYING file in the root directory of this source tree).
 * You may select, at your option, one of the above-listed licenses.
 */
 
#ifndef DATA_H
#define DATA_H
 
#include <stddef.h>
#include <stdint.h>
 
typedef enum {
    data_type_file = 1,  
    data_type_dir = 2,   
} data_type_t;
 
typedef struct {
    char const* url;   
    uint64_t xxhash64; 
    char const* path;  
} data_resource_t;
 
typedef struct {
    data_resource_t data;
    data_resource_t dict;
    data_type_t type;  
    char const* name;  
} data_t;
 
extern data_t const* const* data;
 
 
int data_has_dict(data_t const* data);
 
int data_init(char const* dir);
 
void data_finish(void);
 
typedef struct {
    uint8_t* data;
    size_t size;
    size_t capacity;
} data_buffer_t;
 
data_buffer_t data_buffer_get_data(data_t const* data);
 
data_buffer_t data_buffer_get_dict(data_t const* data);
 
data_buffer_t data_buffer_read(char const* filename);
 
data_buffer_t data_buffer_create(size_t capacity);
 
int data_buffer_compare(data_buffer_t buffer1, data_buffer_t buffer2);
 
void data_buffer_free(data_buffer_t buffer);
 
 
typedef struct {
    data_buffer_t const* buffers;
    size_t size;
} data_buffers_t;
 
data_buffers_t data_buffers_get(data_t const* data);
 
void data_buffers_free(data_buffers_t buffers);
 
#endif