diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-unicode.cc')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-unicode.cc | 169 |
1 files changed, 96 insertions, 73 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-unicode.cc b/src/3rdparty/harfbuzz-ng/src/hb-unicode.cc index 726baeb0f1..08a4054cd0 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-unicode.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-unicode.cc @@ -28,11 +28,25 @@ * Google Author(s): Behdad Esfahbod */ -#include "hb-private.hh" +#include "hb.hh" -#include "hb-unicode-private.hh" +#include "hb-unicode.hh" +/** + * SECTION: hb-unicode + * @title: hb-unicode + * @short_description: Unicode character property access + * @include: hb.h + * + * Unicode functions are used to access Unicode character properties. + * Client can pass its own Unicode functions to HarfBuzz, or access + * the built-in Unicode functions that come with HarfBuzz. + * + * With the Unicode functions, one can query variour Unicode character + * properties, such as General Category, Script, Combining Class, etc. + **/ + /* * hb_unicode_funcs_t @@ -46,6 +60,7 @@ hb_unicode_combining_class_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, return HB_UNICODE_COMBINING_CLASS_NOT_REORDERED; } +#ifndef HB_DISABLE_DEPRECATED static unsigned int hb_unicode_eastasian_width_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, hb_codepoint_t unicode HB_UNUSED, @@ -53,6 +68,7 @@ hb_unicode_eastasian_width_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, { return 1; } +#endif static hb_unicode_general_category_t hb_unicode_general_category_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, @@ -64,7 +80,7 @@ hb_unicode_general_category_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, static hb_codepoint_t hb_unicode_mirroring_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, - hb_codepoint_t unicode HB_UNUSED, + hb_codepoint_t unicode, void *user_data HB_UNUSED) { return unicode; @@ -99,6 +115,7 @@ hb_unicode_decompose_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, } +#ifndef HB_DISABLE_DEPRECATED static unsigned int hb_unicode_decompose_compatibility_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, hb_codepoint_t u HB_UNUSED, @@ -107,54 +124,40 @@ hb_unicode_decompose_compatibility_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED { return 0; } +#endif - -#define HB_UNICODE_FUNCS_IMPLEMENT_SET \ - HB_UNICODE_FUNCS_IMPLEMENT (glib) \ - HB_UNICODE_FUNCS_IMPLEMENT (icu) \ - HB_UNICODE_FUNCS_IMPLEMENT (ucdn) \ - HB_UNICODE_FUNCS_IMPLEMENT (nil) \ - /* ^--- Add new callbacks before nil */ - -#define hb_nil_get_unicode_funcs hb_unicode_funcs_get_empty - -/* Prototype them all */ -#define HB_UNICODE_FUNCS_IMPLEMENT(set) \ -extern "C" hb_unicode_funcs_t *hb_##set##_get_unicode_funcs (void); -HB_UNICODE_FUNCS_IMPLEMENT_SET -#undef HB_UNICODE_FUNCS_IMPLEMENT - +#if !defined(HB_NO_UNICODE_FUNCS) && defined(HAVE_GLIB) +#include "hb-glib.h" +#endif +#if !defined(HB_NO_UNICODE_FUNCS) && defined(HAVE_ICU) && defined(HAVE_ICU_BUILTIN) +#include "hb-icu.h" +#endif hb_unicode_funcs_t * -hb_unicode_funcs_get_default (void) +hb_unicode_funcs_get_default () { -#define HB_UNICODE_FUNCS_IMPLEMENT(set) \ - return hb_##set##_get_unicode_funcs (); - -#if defined(HAVE_UCDN) - HB_UNICODE_FUNCS_IMPLEMENT(ucdn) -#elif defined(HAVE_GLIB) - HB_UNICODE_FUNCS_IMPLEMENT(glib) -#elif defined(HAVE_ICU) && defined(HAVE_ICU_BUILTIN) - HB_UNICODE_FUNCS_IMPLEMENT(icu) +#if !defined(HB_NO_UNICODE_FUNCS) && !defined(HB_NO_UCD) + return hb_ucd_get_unicode_funcs (); +#elif !defined(HB_NO_UNICODE_FUNCS) && defined(HAVE_GLIB) + return hb_glib_get_unicode_funcs (); +#elif !defined(HB_NO_UNICODE_FUNCS) && defined(HAVE_ICU) && defined(HAVE_ICU_BUILTIN) + return hb_icu_get_unicode_funcs (); #else #define HB_UNICODE_FUNCS_NIL 1 - HB_UNICODE_FUNCS_IMPLEMENT(nil) + return hb_unicode_funcs_get_empty (); #endif - -#undef HB_UNICODE_FUNCS_IMPLEMENT } #if !defined(HB_NO_UNICODE_FUNCS) && defined(HB_UNICODE_FUNCS_NIL) #error "Could not find any Unicode functions implementation, you have to provide your own" -#error "Consider building hb-ucdn.c. If you absolutely want to build without any, check the code." +#error "Consider building hb-ucd.cc. If you absolutely want to build without any, check the code." #endif /** * hb_unicode_funcs_create: (Xconstructor) * @parent: (nullable): * - * + * * * Return value: (transfer full): * @@ -185,11 +188,11 @@ hb_unicode_funcs_create (hb_unicode_funcs_t *parent) } -const hb_unicode_funcs_t _hb_unicode_funcs_nil = { +DEFINE_NULL_INSTANCE (hb_unicode_funcs_t) = +{ HB_OBJECT_HEADER_STATIC, nullptr, /* parent */ - true, /* immutable */ { #define HB_UNICODE_FUNC_IMPLEMENT(name) hb_unicode_##name##_nil, HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS @@ -200,23 +203,23 @@ const hb_unicode_funcs_t _hb_unicode_funcs_nil = { /** * hb_unicode_funcs_get_empty: * - * + * * * Return value: (transfer full): * * Since: 0.9.2 **/ hb_unicode_funcs_t * -hb_unicode_funcs_get_empty (void) +hb_unicode_funcs_get_empty () { - return const_cast<hb_unicode_funcs_t *> (&_hb_unicode_funcs_nil); + return const_cast<hb_unicode_funcs_t *> (&Null(hb_unicode_funcs_t)); } /** * hb_unicode_funcs_reference: (skip) * @ufuncs: Unicode functions. * - * + * * * Return value: (transfer full): * @@ -232,7 +235,7 @@ hb_unicode_funcs_reference (hb_unicode_funcs_t *ufuncs) * hb_unicode_funcs_destroy: (skip) * @ufuncs: Unicode functions. * - * + * * * Since: 0.9.2 **/ @@ -254,22 +257,22 @@ hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs) /** * hb_unicode_funcs_set_user_data: (skip) * @ufuncs: Unicode functions. - * @key: - * @data: - * @destroy: - * @replace: + * @key: + * @data: + * @destroy: + * @replace: * - * * - * Return value: + * + * Return value: * * Since: 0.9.2 **/ hb_bool_t hb_unicode_funcs_set_user_data (hb_unicode_funcs_t *ufuncs, - hb_user_data_key_t *key, - void * data, - hb_destroy_func_t destroy, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, hb_bool_t replace) { return hb_object_set_user_data (ufuncs, key, data, destroy, replace); @@ -278,9 +281,9 @@ hb_unicode_funcs_set_user_data (hb_unicode_funcs_t *ufuncs, /** * hb_unicode_funcs_get_user_data: (skip) * @ufuncs: Unicode functions. - * @key: + * @key: + * * - * * * Return value: (transfer none): * @@ -288,7 +291,7 @@ hb_unicode_funcs_set_user_data (hb_unicode_funcs_t *ufuncs, **/ void * hb_unicode_funcs_get_user_data (hb_unicode_funcs_t *ufuncs, - hb_user_data_key_t *key) + hb_user_data_key_t *key) { return hb_object_get_user_data (ufuncs, key); } @@ -298,42 +301,42 @@ hb_unicode_funcs_get_user_data (hb_unicode_funcs_t *ufuncs, * hb_unicode_funcs_make_immutable: * @ufuncs: Unicode functions. * - * + * * * Since: 0.9.2 **/ void hb_unicode_funcs_make_immutable (hb_unicode_funcs_t *ufuncs) { - if (unlikely (hb_object_is_inert (ufuncs))) + if (hb_object_is_immutable (ufuncs)) return; - ufuncs->immutable = true; + hb_object_make_immutable (ufuncs); } /** * hb_unicode_funcs_is_immutable: * @ufuncs: Unicode functions. * - * * - * Return value: + * + * Return value: * * Since: 0.9.2 **/ hb_bool_t hb_unicode_funcs_is_immutable (hb_unicode_funcs_t *ufuncs) { - return ufuncs->immutable; + return hb_object_is_immutable (ufuncs); } /** * hb_unicode_funcs_get_parent: * @ufuncs: Unicode functions. * - * * - * Return value: + * + * Return value: * * Since: 0.9.2 **/ @@ -352,7 +355,7 @@ hb_unicode_funcs_set_##name##_func (hb_unicode_funcs_t *ufuncs, \ void *user_data, \ hb_destroy_func_t destroy) \ { \ - if (ufuncs->immutable) \ + if (hb_object_is_immutable (ufuncs)) \ return; \ \ if (ufuncs->destroy.name) \ @@ -387,13 +390,13 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE /** * hb_unicode_compose: * @ufuncs: Unicode functions. - * @a: - * @b: + * @a: + * @b: * @ab: (out): * - * * - * Return value: + * + * Return value: * * Since: 0.9.2 **/ @@ -409,13 +412,13 @@ hb_unicode_compose (hb_unicode_funcs_t *ufuncs, /** * hb_unicode_decompose: * @ufuncs: Unicode functions. - * @ab: + * @ab: * @a: (out): * @b: (out): * - * * - * Return value: + * + * Return value: * * Since: 0.9.2 **/ @@ -428,17 +431,19 @@ hb_unicode_decompose (hb_unicode_funcs_t *ufuncs, return ufuncs->decompose (ab, a, b); } +#ifndef HB_DISABLE_DEPRECATED /** * hb_unicode_decompose_compatibility: * @ufuncs: Unicode functions. - * @u: + * @u: * @decomposed: (out): * - * * - * Return value: + * + * Return value: * * Since: 0.9.2 + * Deprecated: 2.0.0 **/ unsigned int hb_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs, @@ -447,9 +452,11 @@ hb_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs, { return ufuncs->decompose_compatibility (u, decomposed); } +#endif -/* See hb-unicode-private.hh for details. */ +#ifndef HB_NO_OT_SHAPE +/* See hb-unicode.hh for details. */ const uint8_t _hb_modified_combining_class[256] = { @@ -561,3 +568,19 @@ _hb_modified_combining_class[256] = 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, /* HB_UNICODE_COMBINING_CLASS_INVALID */ }; +#endif + + +/* + * Emoji + */ +#ifndef HB_NO_EMOJI_SEQUENCES + +#include "hb-unicode-emoji-table.hh" + +bool +_hb_unicode_is_emoji_Extended_Pictographic (hb_codepoint_t cp) +{ + return _hb_emoji_is_Extended_Pictographic (cp); +} +#endif |