/* * Copyright © 2012 Google, Inc. * * This is part of HarfBuzz, a text shaping library. * * Permission is hereby granted, without written agreement and without * license or royalty fees, to use, copy, modify, and distribute this * software and its documentation for any purpose, provided that the * above copyright notice and the following two paragraphs appear in * all copies of this software. * * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. * * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. * * Google Author(s): Behdad Esfahbod */ #if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR) #error "Include <hb.h> instead." #endif #ifndef HB_SET_H #define HB_SET_H #include "hb-common.h" HB_BEGIN_DECLS /** * HB_SET_VALUE_INVALID: * * Unset #hb_set_t value. * * Since: 0.9.21 */ #define HB_SET_VALUE_INVALID … /** * hb_set_t: * * Data type for holding a set of integers. #hb_set_t's are * used to gather and contain glyph IDs, Unicode code * points, and various other collections of discrete * values. * **/ hb_set_t; HB_EXTERN hb_set_t * hb_set_create (void); HB_EXTERN hb_set_t * hb_set_get_empty (void); HB_EXTERN hb_set_t * hb_set_reference (hb_set_t *set); HB_EXTERN void hb_set_destroy (hb_set_t *set); HB_EXTERN hb_bool_t hb_set_set_user_data (hb_set_t *set, hb_user_data_key_t *key, void * data, hb_destroy_func_t destroy, hb_bool_t replace); HB_EXTERN void * hb_set_get_user_data (const hb_set_t *set, hb_user_data_key_t *key); /* Returns false if allocation has failed before */ HB_EXTERN hb_bool_t hb_set_allocation_successful (const hb_set_t *set); HB_EXTERN hb_set_t * hb_set_copy (const hb_set_t *set); HB_EXTERN void hb_set_clear (hb_set_t *set); HB_EXTERN hb_bool_t hb_set_is_empty (const hb_set_t *set); HB_EXTERN void hb_set_invert (hb_set_t *set); HB_EXTERN hb_bool_t hb_set_is_inverted (const hb_set_t *set); HB_EXTERN hb_bool_t hb_set_has (const hb_set_t *set, hb_codepoint_t codepoint); HB_EXTERN void hb_set_add (hb_set_t *set, hb_codepoint_t codepoint); HB_EXTERN void hb_set_add_range (hb_set_t *set, hb_codepoint_t first, hb_codepoint_t last); HB_EXTERN void hb_set_add_sorted_array (hb_set_t *set, const hb_codepoint_t *sorted_codepoints, unsigned int num_codepoints); HB_EXTERN void hb_set_del (hb_set_t *set, hb_codepoint_t codepoint); HB_EXTERN void hb_set_del_range (hb_set_t *set, hb_codepoint_t first, hb_codepoint_t last); HB_EXTERN hb_bool_t hb_set_is_equal (const hb_set_t *set, const hb_set_t *other); HB_EXTERN unsigned int hb_set_hash (const hb_set_t *set); HB_EXTERN hb_bool_t hb_set_is_subset (const hb_set_t *set, const hb_set_t *larger_set); HB_EXTERN void hb_set_set (hb_set_t *set, const hb_set_t *other); HB_EXTERN void hb_set_union (hb_set_t *set, const hb_set_t *other); HB_EXTERN void hb_set_intersect (hb_set_t *set, const hb_set_t *other); HB_EXTERN void hb_set_subtract (hb_set_t *set, const hb_set_t *other); HB_EXTERN void hb_set_symmetric_difference (hb_set_t *set, const hb_set_t *other); HB_EXTERN unsigned int hb_set_get_population (const hb_set_t *set); /* Returns HB_SET_VALUE_INVALID if set empty. */ HB_EXTERN hb_codepoint_t hb_set_get_min (const hb_set_t *set); /* Returns HB_SET_VALUE_INVALID if set empty. */ HB_EXTERN hb_codepoint_t hb_set_get_max (const hb_set_t *set); /* Pass HB_SET_VALUE_INVALID in to get started. */ HB_EXTERN hb_bool_t hb_set_next (const hb_set_t *set, hb_codepoint_t *codepoint); /* Pass HB_SET_VALUE_INVALID in to get started. */ HB_EXTERN hb_bool_t hb_set_previous (const hb_set_t *set, hb_codepoint_t *codepoint); /* Pass HB_SET_VALUE_INVALID for first and last to get started. */ HB_EXTERN hb_bool_t hb_set_next_range (const hb_set_t *set, hb_codepoint_t *first, hb_codepoint_t *last); /* Pass HB_SET_VALUE_INVALID for first and last to get started. */ HB_EXTERN hb_bool_t hb_set_previous_range (const hb_set_t *set, hb_codepoint_t *first, hb_codepoint_t *last); /* Pass HB_SET_VALUE_INVALID in to get started. */ HB_EXTERN unsigned int hb_set_next_many (const hb_set_t *set, hb_codepoint_t codepoint, hb_codepoint_t *out, unsigned int size); HB_END_DECLS #endif /* HB_SET_H */
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