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/*
* Copyright (c) 2014-2020 Pavel Kalvoda <me@pavelkalvoda.com>
*
* libcbor is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#ifndef LIBCBOR_TAGS_H
#define LIBCBOR_TAGS_H
#include "cbor/cbor_export.h"
#include "cbor/common.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* ============================================================================
* Tag manipulation
* ============================================================================
*/
/** Create a new tag
*
* @param value The tag value. Please consult the tag repository
* @return **new** tag. Item reference is `NULL`. Returns `NULL` upon
* memory allocation failure
*/
CBOR_EXPORT cbor_item_t *cbor_new_tag(uint64_t value);
/** Get the tagged item
*
* @param item[borrow] A tag
* @return **incref** the tagged item
*/
CBOR_EXPORT cbor_item_t *cbor_tag_item(const cbor_item_t *item);
/** Get tag value
*
* @param item[borrow] A tag
* @return The tag value. Please consult the tag repository
*/
CBOR_EXPORT uint64_t cbor_tag_value(const cbor_item_t *item);
/** Set the tagged item
*
* @param item[borrow] A tag
* @param tagged_item[incref] The item to tag
*/
CBOR_EXPORT void cbor_tag_set_item(cbor_item_t *item, cbor_item_t *tagged_item);
/** Build a new tag
*
* @param item[incref] The tagee
* @param value Tag value
* @return **new** tag item
*/
CBOR_EXPORT cbor_item_t *cbor_build_tag(uint64_t value, cbor_item_t *item);
#ifdef __cplusplus
}
#endif
#endif // LIBCBOR_TAGS_H
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