| /* |
| * 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_codepoint_t) -1) |
| |
| /** |
| * 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. |
| * |
| **/ |
| typedef struct hb_set_t 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 (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_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_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 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); |
| |
| |
| HB_END_DECLS |
| |
| #endif /* HB_SET_H */ |