110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/*
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* Copyright © 2009 Red Hat, Inc.
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* Copyright © 2011 Codethink Limited
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* Copyright © 2010,2011 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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* Red Hat Author(s): Behdad Esfahbod
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* Codethink Author(s): Ryan Lortie
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* Google Author(s): Behdad Esfahbod
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*/
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#ifndef HB_UNICODE_PRIVATE_HH
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#define HB_UNICODE_PRIVATE_HH
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#include "hb-private.hh"
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#include "hb-unicode.h"
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#include "hb-object-private.hh"
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HB_BEGIN_DECLS
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/*
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* hb_unicode_funcs_t
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*/
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#define HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS \
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HB_UNICODE_FUNC_IMPLEMENT (combining_class) \
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HB_UNICODE_FUNC_IMPLEMENT (eastasian_width) \
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HB_UNICODE_FUNC_IMPLEMENT (general_category) \
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HB_UNICODE_FUNC_IMPLEMENT (mirroring) \
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HB_UNICODE_FUNC_IMPLEMENT (script) \
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HB_UNICODE_FUNC_IMPLEMENT (compose) \
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HB_UNICODE_FUNC_IMPLEMENT (decompose) \
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/* ^--- Add new callbacks here */
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/* Simple callbacks are those taking a hb_codepoint_t and returning a hb_codepoint_t */
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#define HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE \
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HB_UNICODE_FUNC_IMPLEMENT (unsigned int, combining_class) \
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HB_UNICODE_FUNC_IMPLEMENT (unsigned int, eastasian_width) \
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HB_UNICODE_FUNC_IMPLEMENT (hb_unicode_general_category_t, general_category) \
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HB_UNICODE_FUNC_IMPLEMENT (hb_codepoint_t, mirroring) \
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HB_UNICODE_FUNC_IMPLEMENT (hb_script_t, script) \
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/* ^--- Add new simple callbacks here */
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struct _hb_unicode_funcs_t {
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hb_object_header_t header;
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hb_unicode_funcs_t *parent;
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bool immutable;
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/* Don't access these directly. Call hb_unicode_*() instead. */
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struct {
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#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_unicode_##name##_func_t name;
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HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
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#undef HB_UNICODE_FUNC_IMPLEMENT
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} func;
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struct {
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#define HB_UNICODE_FUNC_IMPLEMENT(name) void *name;
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HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
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#undef HB_UNICODE_FUNC_IMPLEMENT
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} user_data;
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struct {
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#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_destroy_func_t name;
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HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
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#undef HB_UNICODE_FUNC_IMPLEMENT
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} destroy;
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};
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#if HAVE_GLIB
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extern HB_INTERNAL hb_unicode_funcs_t _hb_glib_unicode_funcs;
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#define _hb_unicode_funcs_default _hb_glib_unicode_funcs
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#elif HAVE_ICU
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extern HB_INTERNAL hb_unicode_funcs_t _hb_icu_unicode_funcs;
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#define _hb_unicode_funcs_default _hb_icu_unicode_funcs
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#else
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extern HB_INTERNAL hb_unicode_funcs_t _hb_unicode_funcs_nil;
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#define _hb_unicode_funcs_default _hb_unicode_funcs_nil
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#endif
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HB_END_DECLS
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#endif /* HB_UNICODE_PRIVATE_HH */
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