* 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
}
-#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
-
+extern "C" hb_unicode_funcs_t *hb_glib_get_unicode_funcs ();
+extern "C" hb_unicode_funcs_t *hb_icu_get_unicode_funcs ();
+extern "C" hb_unicode_funcs_t *hb_ucdn_get_unicode_funcs ();
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)
+ return hb_ucdn_get_unicode_funcs ();
#elif defined(HAVE_GLIB)
- HB_UNICODE_FUNCS_IMPLEMENT(glib)
+ return hb_glib_get_unicode_funcs ();
#elif defined(HAVE_ICU) && defined(HAVE_ICU_BUILTIN)
- HB_UNICODE_FUNCS_IMPLEMENT(icu)
+ 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)
* hb_unicode_funcs_create: (Xconstructor)
* @parent: (nullable):
*
- *
+ *
*
* Return value: (transfer full):
*
}
-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
/**
* 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):
*
* hb_unicode_funcs_destroy: (skip)
* @ufuncs: Unicode functions.
*
- *
+ *
*
* Since: 0.9.2
**/
/**
* 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_unicode_funcs_get_user_data: (skip)
* @ufuncs: Unicode functions.
- * @key:
+ * @key:
+ *
*
- *
*
* Return value: (transfer none):
*
* 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
**/
void *user_data, \
hb_destroy_func_t destroy) \
{ \
- if (ufuncs->immutable) \
+ if (hb_object_is_immutable (ufuncs)) \
return; \
\
if (ufuncs->destroy.name) \
/**
* hb_unicode_compose:
* @ufuncs: Unicode functions.
- * @a:
- * @b:
+ * @a:
+ * @b:
* @ab: (out):
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_unicode_decompose:
* @ufuncs: Unicode functions.
- * @ab:
+ * @ab:
* @a: (out):
* @b: (out):
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
/**
* 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,
}
-/* See hb-unicode-private.hh for details. */
+/* See hb-unicode.hh for details. */
const uint8_t
_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 */
};
+
+
+/*
+ * Emoji
+ */
+
+#include "hb-unicode-emoji-table.hh"
+
+bool
+_hb_unicode_is_emoji_Extended_Pictographic (hb_codepoint_t cp)
+{
+ return hb_bsearch (&cp, _hb_unicode_emoji_Extended_Pictographic_table,
+ ARRAY_LENGTH (_hb_unicode_emoji_Extended_Pictographic_table),
+ sizeof (hb_unicode_range_t),
+ hb_unicode_range_t::cmp);
+}
projects / platform / upstream / harfbuzz.git / blobdiff