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diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-icu.cc b/Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-icu.cc
deleted file mode 100644
index c177be2c4b2..00000000000
--- a/Build/source/libs/harfbuzz/harfbuzz-0.9.15/src/hb-icu.cc
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@@ -1,372 +0,0 @@
-/*
- * Copyright © 2009 Red Hat, Inc.
- * Copyright © 2009 Keith Stribley
- * 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-icu.h"
-
-#include "hb-unicode-private.hh"
-
-#include <unicode/uchar.h>
-#include <unicode/unorm.h>
-#include <unicode/ustring.h>
-#include <unicode/uversion.h>
-
-
-hb_script_t
-hb_icu_script_to_script (UScriptCode script)
-{
- if (unlikely (script == USCRIPT_INVALID_CODE))
- return HB_SCRIPT_INVALID;
-
- return hb_script_from_string (uscript_getShortName (script), -1);
-}
-
-UScriptCode
-hb_icu_script_from_script (hb_script_t script)
-{
- if (unlikely (script == HB_SCRIPT_INVALID))
- return USCRIPT_INVALID_CODE;
-
- for (unsigned int i = 0; i < USCRIPT_CODE_LIMIT; i++)
- if (unlikely (hb_icu_script_to_script ((UScriptCode) i) == script))
- return (UScriptCode) i;
-
- return USCRIPT_UNKNOWN;
-}
-
-
-static hb_unicode_combining_class_t
-hb_icu_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) u_getCombiningClass (unicode);
-}
-
-static unsigned int
-hb_icu_unicode_eastasian_width (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t unicode,
- void *user_data HB_UNUSED)
-{
- switch (u_getIntPropertyValue(unicode, UCHAR_EAST_ASIAN_WIDTH))
- {
- case U_EA_WIDE:
- case U_EA_FULLWIDTH:
- return 2;
- case U_EA_NEUTRAL:
- case U_EA_AMBIGUOUS:
- case U_EA_HALFWIDTH:
- case U_EA_NARROW:
- return 1;
- }
- return 1;
-}
-
-static hb_unicode_general_category_t
-hb_icu_unicode_general_category (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t unicode,
- void *user_data HB_UNUSED)
-{
- switch (u_getIntPropertyValue(unicode, UCHAR_GENERAL_CATEGORY))
- {
- case U_UNASSIGNED: return HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED;
-
- case U_UPPERCASE_LETTER: return HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER;
- case U_LOWERCASE_LETTER: return HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER;
- case U_TITLECASE_LETTER: return HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER;
- case U_MODIFIER_LETTER: return HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER;
- case U_OTHER_LETTER: return HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER;
-
- case U_NON_SPACING_MARK: return HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK;
- case U_ENCLOSING_MARK: return HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK;
- case U_COMBINING_SPACING_MARK: return HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK;
-
- case U_DECIMAL_DIGIT_NUMBER: return HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER;
- case U_LETTER_NUMBER: return HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER;
- case U_OTHER_NUMBER: return HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER;
-
- case U_SPACE_SEPARATOR: return HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR;
- case U_LINE_SEPARATOR: return HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR;
- case U_PARAGRAPH_SEPARATOR: return HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR;
-
- case U_CONTROL_CHAR: return HB_UNICODE_GENERAL_CATEGORY_CONTROL;
- case U_FORMAT_CHAR: return HB_UNICODE_GENERAL_CATEGORY_FORMAT;
- case U_PRIVATE_USE_CHAR: return HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE;
- case U_SURROGATE: return HB_UNICODE_GENERAL_CATEGORY_SURROGATE;
-
-
- case U_DASH_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION;
- case U_START_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION;
- case U_END_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION;
- case U_CONNECTOR_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION;
- case U_OTHER_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION;
-
- case U_MATH_SYMBOL: return HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL;
- case U_CURRENCY_SYMBOL: return HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL;
- case U_MODIFIER_SYMBOL: return HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL;
- case U_OTHER_SYMBOL: return HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL;
-
- case U_INITIAL_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION;
- case U_FINAL_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION;
- }
-
- return HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED;
-}
-
-static hb_codepoint_t
-hb_icu_unicode_mirroring (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t unicode,
- void *user_data HB_UNUSED)
-{
- return u_charMirror(unicode);
-}
-
-static hb_script_t
-hb_icu_unicode_script (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t unicode,
- void *user_data HB_UNUSED)
-{
- UErrorCode status = U_ZERO_ERROR;
- UScriptCode scriptCode = uscript_getScript(unicode, &status);
-
- if (unlikely (U_FAILURE (status)))
- return HB_SCRIPT_UNKNOWN;
-
- return hb_icu_script_to_script (scriptCode);
-}
-
-#if U_ICU_VERSION_MAJOR_NUM >= 49
-static const UNormalizer2 *normalizer;
-#endif
-
-static hb_bool_t
-hb_icu_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 U_ICU_VERSION_MAJOR_NUM >= 49
- {
- UChar32 ret = unorm2_composePair (normalizer, a, b);
- if (ret < 0) return false;
- *ab = ret;
- return true;
- }
-#endif
-
- /* We don't ifdef-out the fallback code such that compiler always
- * sees it and makes sure it's compilable. */
-
- UChar utf16[4], normalized[5];
- unsigned int len;
- hb_bool_t ret, err;
- UErrorCode icu_err;
-
- len = 0;
- err = false;
- U16_APPEND (utf16, len, ARRAY_LENGTH (utf16), a, err);
- if (err) return false;
- U16_APPEND (utf16, len, ARRAY_LENGTH (utf16), b, err);
- if (err) return false;
-
- icu_err = U_ZERO_ERROR;
- len = unorm_normalize (utf16, len, UNORM_NFC, 0, normalized, ARRAY_LENGTH (normalized), &icu_err);
- if (U_FAILURE (icu_err))
- return false;
- if (u_countChar32 (normalized, len) == 1) {
- U16_GET_UNSAFE (normalized, 0, *ab);
- ret = true;
- } else {
- ret = false;
- }
-
- return ret;
-}
-
-static hb_bool_t
-hb_icu_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 U_ICU_VERSION_MAJOR_NUM >= 49
- {
- UChar decomposed[4];
- int len;
- UErrorCode icu_err = U_ZERO_ERROR;
- len = unorm2_getRawDecomposition (normalizer, ab, decomposed,
- ARRAY_LENGTH (decomposed), &icu_err);
- if (U_FAILURE (icu_err) || len < 0) return false;
-
- len = u_countChar32 (decomposed, len);
- if (len == 1) {
- U16_GET_UNSAFE (decomposed, 0, *a);
- *b = 0;
- return *a != ab;
- } else if (len == 2) {
- len =0;
- U16_NEXT_UNSAFE (decomposed, len, *a);
- U16_NEXT_UNSAFE (decomposed, len, *b);
- }
- return true;
- }
-#endif
-
- /* We don't ifdef-out the fallback code such that compiler always
- * sees it and makes sure it's compilable. */
-
- UChar utf16[2], normalized[2 * HB_UNICODE_MAX_DECOMPOSITION_LEN + 1];
- unsigned int len;
- hb_bool_t ret, err;
- UErrorCode icu_err;
-
- /* This function is a monster! Maybe it wasn't a good idea adding a
- * pairwise decompose API... */
- /* Watchout for the dragons. Err, watchout for macros changing len. */
-
- len = 0;
- err = false;
- U16_APPEND (utf16, len, ARRAY_LENGTH (utf16), ab, err);
- if (err) return false;
-
- icu_err = U_ZERO_ERROR;
- len = unorm_normalize (utf16, len, UNORM_NFD, 0, normalized, ARRAY_LENGTH (normalized), &icu_err);
- if (U_FAILURE (icu_err))
- return false;
-
- len = u_countChar32 (normalized, len);
-
- if (len == 1) {
- U16_GET_UNSAFE (normalized, 0, *a);
- *b = 0;
- ret = *a != ab;
- } else if (len == 2) {
- len =0;
- U16_NEXT_UNSAFE (normalized, len, *a);
- U16_NEXT_UNSAFE (normalized, len, *b);
-
- /* 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 :-(. */
- UChar recomposed[20];
- icu_err = U_ZERO_ERROR;
- unorm_normalize (normalized, len, UNORM_NFC, 0, recomposed, ARRAY_LENGTH (recomposed), &icu_err);
- if (U_FAILURE (icu_err))
- return false;
- hb_codepoint_t c;
- U16_GET_UNSAFE (recomposed, 0, c);
- if (c != *a && c != ab) {
- *a = c;
- *b = 0;
- }
- ret = true;
- } else {
- /* If decomposed to more than two characters, take the last one,
- * and recompose the rest to get the first component. */
- U16_PREV_UNSAFE (normalized, len, *b); /* Changes len in-place. */
- UChar recomposed[18 * 2];
- icu_err = U_ZERO_ERROR;
- len = unorm_normalize (normalized, len, UNORM_NFC, 0, recomposed, ARRAY_LENGTH (recomposed), &icu_err);
- if (U_FAILURE (icu_err))
- return false;
- /* We expect that recomposed has exactly one character now. */
- if (unlikely (u_countChar32 (recomposed, len) != 1))
- return false;
- U16_GET_UNSAFE (recomposed, 0, *a);
- ret = true;
- }
-
- return ret;
-}
-
-static unsigned int
-hb_icu_unicode_decompose_compatibility (hb_unicode_funcs_t *ufuncs HB_UNUSED,
- hb_codepoint_t u,
- hb_codepoint_t *decomposed,
- void *user_data HB_UNUSED)
-{
- UChar utf16[2], normalized[2 * HB_UNICODE_MAX_DECOMPOSITION_LEN + 1];
- unsigned int len;
- int32_t utf32_len;
- hb_bool_t err;
- UErrorCode icu_err;
-
- /* Copy @u into a UTF-16 array to be passed to ICU. */
- len = 0;
- err = FALSE;
- U16_APPEND (utf16, len, ARRAY_LENGTH (utf16), u, err);
- if (err)
- return 0;
-
- /* Normalise the codepoint using NFKD mode. */
- icu_err = U_ZERO_ERROR;
- len = unorm_normalize (utf16, len, UNORM_NFKD, 0, normalized, ARRAY_LENGTH (normalized), &icu_err);
- if (icu_err)
- return 0;
-
- /* Convert the decomposed form from UTF-16 to UTF-32. */
- icu_err = U_ZERO_ERROR;
- u_strToUTF32 ((UChar32*) decomposed, HB_UNICODE_MAX_DECOMPOSITION_LEN, &utf32_len, normalized, len, &icu_err);
- if (icu_err)
- return 0;
-
- return utf32_len;
-}
-
-
-hb_unicode_funcs_t *
-hb_icu_get_unicode_funcs (void)
-{
- static const hb_unicode_funcs_t _hb_icu_unicode_funcs = {
- HB_OBJECT_HEADER_STATIC,
-
- NULL, /* parent */
- true, /* immutable */
- {
-#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_icu_unicode_##name,
- HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_UNICODE_FUNC_IMPLEMENT
- }
- };
-
-#if U_ICU_VERSION_MAJOR_NUM >= 49
- if (!hb_atomic_ptr_get (&normalizer)) {
- UErrorCode icu_err = U_ZERO_ERROR;
- /* We ignore failure in getNFCInstace(). */
- hb_atomic_ptr_cmpexch (&normalizer, NULL, unorm2_getNFCInstance (&icu_err));
- }
-#endif
- return const_cast<hb_unicode_funcs_t *> (&_hb_icu_unicode_funcs);
-}
-
-