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diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.8/src/hb-glib.cc b/Build/source/libs/harfbuzz/harfbuzz-0.9.8/src/hb-glib.cc
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-/*
- * Copyright © 2009 Red Hat, Inc.
- * Copyright © 2011 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.
- *
- * Red Hat Author(s): Behdad Esfahbod
- * Google Author(s): Behdad Esfahbod
- */
-
-#include "hb-private.hh"
-
-#include "hb-glib.h"
-
-#include "hb-unicode-private.hh"
-
-
-#if !GLIB_CHECK_VERSION(2,29,14)
-static const hb_script_t
-glib_script_to_script[] =
-{
- HB_SCRIPT_COMMON,
- HB_SCRIPT_INHERITED,
- HB_SCRIPT_ARABIC,
- HB_SCRIPT_ARMENIAN,
- HB_SCRIPT_BENGALI,
- HB_SCRIPT_BOPOMOFO,
- HB_SCRIPT_CHEROKEE,
- HB_SCRIPT_COPTIC,
- HB_SCRIPT_CYRILLIC,
- HB_SCRIPT_DESERET,
- HB_SCRIPT_DEVANAGARI,
- HB_SCRIPT_ETHIOPIC,
- HB_SCRIPT_GEORGIAN,
- HB_SCRIPT_GOTHIC,
- HB_SCRIPT_GREEK,
- HB_SCRIPT_GUJARATI,
- HB_SCRIPT_GURMUKHI,
- HB_SCRIPT_HAN,
- HB_SCRIPT_HANGUL,
- HB_SCRIPT_HEBREW,
- HB_SCRIPT_HIRAGANA,
- HB_SCRIPT_KANNADA,
- HB_SCRIPT_KATAKANA,
- HB_SCRIPT_KHMER,
- HB_SCRIPT_LAO,
- HB_SCRIPT_LATIN,
- HB_SCRIPT_MALAYALAM,
- HB_SCRIPT_MONGOLIAN,
- HB_SCRIPT_MYANMAR,
- HB_SCRIPT_OGHAM,
- HB_SCRIPT_OLD_ITALIC,
- HB_SCRIPT_ORIYA,
- HB_SCRIPT_RUNIC,
- HB_SCRIPT_SINHALA,
- HB_SCRIPT_SYRIAC,
- HB_SCRIPT_TAMIL,
- HB_SCRIPT_TELUGU,
- HB_SCRIPT_THAANA,
- HB_SCRIPT_THAI,
- HB_SCRIPT_TIBETAN,
- HB_SCRIPT_CANADIAN_ABORIGINAL,
- HB_SCRIPT_YI,
- HB_SCRIPT_TAGALOG,
- HB_SCRIPT_HANUNOO,
- HB_SCRIPT_BUHID,
- HB_SCRIPT_TAGBANWA,
-
- /* Unicode-4.0 additions */
- HB_SCRIPT_BRAILLE,
- HB_SCRIPT_CYPRIOT,
- HB_SCRIPT_LIMBU,
- HB_SCRIPT_OSMANYA,
- HB_SCRIPT_SHAVIAN,
- HB_SCRIPT_LINEAR_B,
- HB_SCRIPT_TAI_LE,
- HB_SCRIPT_UGARITIC,
-
- /* Unicode-4.1 additions */
- HB_SCRIPT_NEW_TAI_LUE,
- HB_SCRIPT_BUGINESE,
- HB_SCRIPT_GLAGOLITIC,
- HB_SCRIPT_TIFINAGH,
- HB_SCRIPT_SYLOTI_NAGRI,
- HB_SCRIPT_OLD_PERSIAN,
- HB_SCRIPT_KHAROSHTHI,
-
- /* Unicode-5.0 additions */
- HB_SCRIPT_UNKNOWN,
- HB_SCRIPT_BALINESE,
- HB_SCRIPT_CUNEIFORM,
- HB_SCRIPT_PHOENICIAN,
- HB_SCRIPT_PHAGS_PA,
- HB_SCRIPT_NKO,
-
- /* Unicode-5.1 additions */
- HB_SCRIPT_KAYAH_LI,
- HB_SCRIPT_LEPCHA,
- HB_SCRIPT_REJANG,
- HB_SCRIPT_SUNDANESE,
- HB_SCRIPT_SAURASHTRA,
- HB_SCRIPT_CHAM,
- HB_SCRIPT_OL_CHIKI,
- HB_SCRIPT_VAI,
- HB_SCRIPT_CARIAN,
- HB_SCRIPT_LYCIAN,
- HB_SCRIPT_LYDIAN,
-
- /* Unicode-5.2 additions */
- HB_SCRIPT_AVESTAN,
- HB_SCRIPT_BAMUM,
- HB_SCRIPT_EGYPTIAN_HIEROGLYPHS,
- HB_SCRIPT_IMPERIAL_ARAMAIC,
- HB_SCRIPT_INSCRIPTIONAL_PAHLAVI,
- HB_SCRIPT_INSCRIPTIONAL_PARTHIAN,
- HB_SCRIPT_JAVANESE,
- HB_SCRIPT_KAITHI,
- HB_SCRIPT_TAI_THAM,
- HB_SCRIPT_LISU,
- HB_SCRIPT_MEETEI_MAYEK,
- HB_SCRIPT_OLD_SOUTH_ARABIAN,
- HB_SCRIPT_OLD_TURKIC,
- HB_SCRIPT_SAMARITAN,
- HB_SCRIPT_TAI_VIET,
-
- /* Unicode-6.0 additions */
- HB_SCRIPT_BATAK,
- HB_SCRIPT_BRAHMI,
- HB_SCRIPT_MANDAIC,
-
- /* Unicode-6.1 additions */
- HB_SCRIPT_CHAKMA,
- HB_SCRIPT_MEROITIC_CURSIVE,
- HB_SCRIPT_MEROITIC_HIEROGLYPHS,
- HB_SCRIPT_MIAO,
- HB_SCRIPT_SHARADA,
- HB_SCRIPT_SORA_SOMPENG,
- HB_SCRIPT_TAKRI
-};
-#endif
-
-hb_script_t
-hb_glib_script_to_script (GUnicodeScript script)
-{
-#if GLIB_CHECK_VERSION(2,29,14)
- return (hb_script_t) g_unicode_script_to_iso15924 (script);
-#else
- if (likely ((unsigned int) script < ARRAY_LENGTH (glib_script_to_script)))
- return glib_script_to_script[script];
-
- if (unlikely (script == G_UNICODE_SCRIPT_INVALID_CODE))
- return HB_SCRIPT_INVALID;
-
- return HB_SCRIPT_UNKNOWN;
-#endif
-}
-
-GUnicodeScript
-hb_glib_script_from_script (hb_script_t script)
-{
-#if GLIB_CHECK_VERSION(2,29,14)
- return g_unicode_script_from_iso15924 (script);
-#else
- unsigned int count = ARRAY_LENGTH (glib_script_to_script);
- for (unsigned int i = 0; i < count; i++)
- if (glib_script_to_script[i] == script)
- return (GUnicodeScript) i;
-
- if (unlikely (script == HB_SCRIPT_INVALID))
- return G_UNICODE_SCRIPT_INVALID_CODE;
-
- return G_UNICODE_SCRIPT_UNKNOWN;
-#endif
-}
-
-
-static hb_unicode_combining_class_t
-hb_glib_unicode_combining_class (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t unicode,
- void *user_data HB_UNUSED)
-
-{
- return (hb_unicode_combining_class_t) g_unichar_combining_class (unicode);
-}
-
-static unsigned int
-hb_glib_unicode_eastasian_width (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t unicode,
- void *user_data HB_UNUSED)
-{
- return g_unichar_iswide (unicode) ? 2 : 1;
-}
-
-static hb_unicode_general_category_t
-hb_glib_unicode_general_category (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t unicode,
- void *user_data HB_UNUSED)
-
-{
- /* hb_unicode_general_category_t and GUnicodeType are identical */
- return (hb_unicode_general_category_t) g_unichar_type (unicode);
-}
-
-static hb_codepoint_t
-hb_glib_unicode_mirroring (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t unicode,
- void *user_data HB_UNUSED)
-{
- g_unichar_get_mirror_char (unicode, &unicode);
- return unicode;
-}
-
-static hb_script_t
-hb_glib_unicode_script (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t unicode,
- void *user_data HB_UNUSED)
-{
- return hb_glib_script_to_script (g_unichar_get_script (unicode));
-}
-
-static hb_bool_t
-hb_glib_unicode_compose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t a,
- hb_codepoint_t b,
- hb_codepoint_t *ab,
- void *user_data HB_UNUSED)
-{
-#if GLIB_CHECK_VERSION(2,29,12)
- return g_unichar_compose (a, b, ab);
-#endif
-
- /* We don't ifdef-out the fallback code such that compiler always
- * sees it and makes sure it's compilable. */
-
- gchar utf8[12];
- gchar *normalized;
- int len;
- hb_bool_t ret;
-
- len = g_unichar_to_utf8 (a, utf8);
- len += g_unichar_to_utf8 (b, utf8 + len);
- normalized = g_utf8_normalize (utf8, len, G_NORMALIZE_NFC);
- len = g_utf8_strlen (normalized, -1);
- if (unlikely (!len))
- return false;
-
- if (len == 1) {
- *ab = g_utf8_get_char (normalized);
- ret = true;
- } else {
- ret = false;
- }
-
- g_free (normalized);
- return ret;
-}
-
-static hb_bool_t
-hb_glib_unicode_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t ab,
- hb_codepoint_t *a,
- hb_codepoint_t *b,
- void *user_data HB_UNUSED)
-{
-#if GLIB_CHECK_VERSION(2,29,12)
- return g_unichar_decompose (ab, a, b);
-#endif
-
- /* We don't ifdef-out the fallback code such that compiler always
- * sees it and makes sure it's compilable. */
-
- gchar utf8[6];
- gchar *normalized;
- int len;
- hb_bool_t ret;
-
- len = g_unichar_to_utf8 (ab, utf8);
- normalized = g_utf8_normalize (utf8, len, G_NORMALIZE_NFD);
- len = g_utf8_strlen (normalized, -1);
- if (unlikely (!len))
- return false;
-
- if (len == 1) {
- *a = g_utf8_get_char (normalized);
- *b = 0;
- ret = *a != ab;
- } else if (len == 2) {
- *a = g_utf8_get_char (normalized);
- *b = g_utf8_get_char (g_utf8_next_char (normalized));
- /* Here's the ugly part: if ab decomposes to a single character and
- * that character decomposes again, we have to detect that and undo
- * the second part :-(. */
- gchar *recomposed = g_utf8_normalize (normalized, -1, G_NORMALIZE_NFC);
- hb_codepoint_t c = g_utf8_get_char (recomposed);
- if (c != ab && c != *a) {
- *a = c;
- *b = 0;
- }
- g_free (recomposed);
- ret = true;
- } else {
- /* If decomposed to more than two characters, take the last one,
- * and recompose the rest to get the first component. */
- gchar *end = g_utf8_offset_to_pointer (normalized, len - 1);
- gchar *recomposed;
- *b = g_utf8_get_char (end);
- recomposed = g_utf8_normalize (normalized, end - normalized, G_NORMALIZE_NFC);
- /* We expect that recomposed has exactly one character now. */
- *a = g_utf8_get_char (recomposed);
- g_free (recomposed);
- ret = true;
- }
-
- g_free (normalized);
- return ret;
-}
-
-static unsigned int
-hb_glib_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs,
- hb_codepoint_t u,
- hb_codepoint_t *decomposed,
- void *user_data HB_UNUSED)
-{
-#if GLIB_CHECK_VERSION(2,29,12)
- return g_unichar_fully_decompose (u, TRUE, decomposed, HB_UNICODE_MAX_DECOMPOSITION_LEN);
-#endif
-
- /* If the user doesn't have GLib >= 2.29.12 we have to perform
- * a round trip to UTF-8 and the associated memory management dance. */
- gchar utf8[6];
- gchar *utf8_decomposed, *c;
- gsize utf8_len, utf8_decomposed_len, i;
-
- /* Convert @u to UTF-8 and normalise it in NFKD mode. This performs the compatibility decomposition. */
- utf8_len = g_unichar_to_utf8 (u, utf8);
- utf8_decomposed = g_utf8_normalize (utf8, utf8_len, G_NORMALIZE_NFKD);
- utf8_decomposed_len = g_utf8_strlen (utf8_decomposed, -1);
-
- assert (utf8_decomposed_len <= HB_UNICODE_MAX_DECOMPOSITION_LEN);
-
- for (i = 0, c = utf8_decomposed; i < utf8_decomposed_len; i++, c = g_utf8_next_char (c))
- *decomposed++ = g_utf8_get_char (c);
-
- g_free (utf8_decomposed);
-
- return utf8_decomposed_len;
-}
-
-hb_unicode_funcs_t *
-hb_glib_get_unicode_funcs (void)
-{
- static const hb_unicode_funcs_t _hb_glib_unicode_funcs = {
- HB_OBJECT_HEADER_STATIC,
-
- NULL, /* parent */
- true, /* immutable */
- {
-#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_glib_unicode_##name,
- HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_UNICODE_FUNC_IMPLEMENT
- }
- };
-
- return const_cast<hb_unicode_funcs_t *> (&_hb_glib_unicode_funcs);
-}
-