143 lines
3.3 KiB
C++
143 lines
3.3 KiB
C++
/*
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* Copyright © 2018 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR)
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#error "Include <hb.h> instead."
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#endif
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#ifndef HB_MAP_H
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#define HB_MAP_H
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#include "hb-common.h"
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#include "hb-set.h"
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HB_BEGIN_DECLS
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/**
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* HB_MAP_VALUE_INVALID:
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*
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* Unset #hb_map_t value.
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*
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* Since: 1.7.7
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*/
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#define HB_MAP_VALUE_INVALID ((hb_codepoint_t) -1)
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/**
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* hb_map_t:
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*
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* Data type for holding integer-to-integer hash maps.
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*
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**/
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typedef struct hb_map_t hb_map_t;
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HB_EXTERN hb_map_t *
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hb_map_create (void);
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HB_EXTERN hb_map_t *
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hb_map_get_empty (void);
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HB_EXTERN hb_map_t *
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hb_map_reference (hb_map_t *map);
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HB_EXTERN void
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hb_map_destroy (hb_map_t *map);
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HB_EXTERN hb_bool_t
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hb_map_set_user_data (hb_map_t *map,
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hb_user_data_key_t *key,
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void * data,
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hb_destroy_func_t destroy,
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hb_bool_t replace);
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HB_EXTERN void *
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hb_map_get_user_data (const hb_map_t *map,
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hb_user_data_key_t *key);
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/* Returns false if allocation has failed before */
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HB_EXTERN hb_bool_t
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hb_map_allocation_successful (const hb_map_t *map);
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HB_EXTERN hb_map_t *
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hb_map_copy (const hb_map_t *map);
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HB_EXTERN void
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hb_map_clear (hb_map_t *map);
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HB_EXTERN hb_bool_t
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hb_map_is_empty (const hb_map_t *map);
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HB_EXTERN unsigned int
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hb_map_get_population (const hb_map_t *map);
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HB_EXTERN hb_bool_t
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hb_map_is_equal (const hb_map_t *map,
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const hb_map_t *other);
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HB_EXTERN unsigned int
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hb_map_hash (const hb_map_t *map);
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HB_EXTERN void
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hb_map_set (hb_map_t *map,
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hb_codepoint_t key,
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hb_codepoint_t value);
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HB_EXTERN hb_codepoint_t
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hb_map_get (const hb_map_t *map,
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hb_codepoint_t key);
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HB_EXTERN void
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hb_map_del (hb_map_t *map,
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hb_codepoint_t key);
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HB_EXTERN hb_bool_t
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hb_map_has (const hb_map_t *map,
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hb_codepoint_t key);
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HB_EXTERN void
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hb_map_update (hb_map_t *map,
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const hb_map_t *other);
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/* Pass -1 in for idx to get started. */
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HB_EXTERN hb_bool_t
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hb_map_next (const hb_map_t *map,
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int *idx,
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hb_codepoint_t *key,
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hb_codepoint_t *value);
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HB_EXTERN void
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hb_map_keys (const hb_map_t *map,
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hb_set_t *keys);
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HB_EXTERN void
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hb_map_values (const hb_map_t *map,
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hb_set_t *values);
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HB_END_DECLS
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#endif /* HB_MAP_H */
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