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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-0.9.22/src/hb-common.cc579
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diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.22/src/hb-common.cc b/Build/source/libs/harfbuzz/harfbuzz-0.9.22/src/hb-common.cc
deleted file mode 100644
index cf24660f798..00000000000
--- a/Build/source/libs/harfbuzz/harfbuzz-0.9.22/src/hb-common.cc
+++ /dev/null
@@ -1,579 +0,0 @@
-/*
- * Copyright © 2009,2010 Red Hat, Inc.
- * Copyright © 2011,2012 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-version.h"
-
-#include "hb-mutex-private.hh"
-#include "hb-object-private.hh"
-
-#include <locale.h>
-
-
-/* hb_options_t */
-
-hb_options_union_t _hb_options;
-
-void
-_hb_options_init (void)
-{
- hb_options_union_t u;
- u.i = 0;
- u.opts.initialized = 1;
-
- char *c = getenv ("HB_OPTIONS");
- u.opts.uniscribe_bug_compatible = c && strstr (c, "uniscribe-bug-compatible");
-
- /* This is idempotent and threadsafe. */
- _hb_options = u;
-}
-
-
-/* hb_tag_t */
-
-/**
- * hb_tag_from_string:
- * @str: (array length=len):
- * @len:
- *
- *
- *
- * Return value:
- *
- * Since: 1.0
- **/
-hb_tag_t
-hb_tag_from_string (const char *str, int len)
-{
- char tag[4];
- unsigned int i;
-
- if (!str || !len || !*str)
- return HB_TAG_NONE;
-
- if (len < 0 || len > 4)
- len = 4;
- for (i = 0; i < (unsigned) len && str[i]; i++)
- tag[i] = str[i];
- for (; i < 4; i++)
- tag[i] = ' ';
-
- return HB_TAG_CHAR4 (tag);
-}
-
-/**
- * hb_tag_to_string:
- * @tag:
- * @buf: (array fixed-size=4):
- *
- *
- *
- * Since: 1.0
- **/
-void
-hb_tag_to_string (hb_tag_t tag, char *buf)
-{
- buf[0] = (char) (uint8_t) (tag >> 24);
- buf[1] = (char) (uint8_t) (tag >> 16);
- buf[2] = (char) (uint8_t) (tag >> 8);
- buf[3] = (char) (uint8_t) (tag >> 0);
-}
-
-
-/* hb_direction_t */
-
-const char direction_strings[][4] = {
- "ltr",
- "rtl",
- "ttb",
- "btt"
-};
-
-/**
- * hb_direction_from_string:
- * @str: (array length=len):
- * @len:
- *
- *
- *
- * Return value:
- *
- * Since: 1.0
- **/
-hb_direction_t
-hb_direction_from_string (const char *str, int len)
-{
- if (unlikely (!str || !len || !*str))
- return HB_DIRECTION_INVALID;
-
- /* Lets match loosely: just match the first letter, such that
- * all of "ltr", "left-to-right", etc work!
- */
- char c = TOLOWER (str[0]);
- for (unsigned int i = 0; i < ARRAY_LENGTH (direction_strings); i++)
- if (c == direction_strings[i][0])
- return (hb_direction_t) (HB_DIRECTION_LTR + i);
-
- return HB_DIRECTION_INVALID;
-}
-
-/**
- * hb_direction_to_string:
- * @direction:
- *
- *
- *
- * Return value: (transfer none):
- *
- * Since: 1.0
- **/
-const char *
-hb_direction_to_string (hb_direction_t direction)
-{
- if (likely ((unsigned int) (direction - HB_DIRECTION_LTR)
- < ARRAY_LENGTH (direction_strings)))
- return direction_strings[direction - HB_DIRECTION_LTR];
-
- return "invalid";
-}
-
-
-/* hb_language_t */
-
-struct hb_language_impl_t {
- const char s[1];
-};
-
-static const char canon_map[256] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '-', 0, 0,
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 0, 0, 0, 0, 0, 0,
- '-', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 0, 0, 0, 0, '-',
- 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 0, 0, 0, 0, 0
-};
-
-static hb_bool_t
-lang_equal (hb_language_t v1,
- const void *v2)
-{
- const unsigned char *p1 = (const unsigned char *) v1;
- const unsigned char *p2 = (const unsigned char *) v2;
-
- while (*p1 && *p1 == canon_map[*p2])
- p1++, p2++;
-
- return *p1 == canon_map[*p2];
-}
-
-#if 0
-static unsigned int
-lang_hash (const void *key)
-{
- const unsigned char *p = key;
- unsigned int h = 0;
- while (canon_map[*p])
- {
- h = (h << 5) - h + canon_map[*p];
- p++;
- }
-
- return h;
-}
-#endif
-
-
-struct hb_language_item_t {
-
- struct hb_language_item_t *next;
- hb_language_t lang;
-
- inline bool operator == (const char *s) const {
- return lang_equal (lang, s);
- }
-
- inline hb_language_item_t & operator = (const char *s) {
- lang = (hb_language_t) strdup (s);
- for (unsigned char *p = (unsigned char *) lang; *p; p++)
- *p = canon_map[*p];
-
- return *this;
- }
-
- void finish (void) { free ((void *) lang); }
-};
-
-
-/* Thread-safe lock-free language list */
-
-static hb_language_item_t *langs;
-
-static inline
-void free_langs (void)
-{
- while (langs) {
- hb_language_item_t *next = langs->next;
- langs->finish ();
- free (langs);
- langs = next;
- }
-}
-
-static hb_language_item_t *
-lang_find_or_insert (const char *key)
-{
-retry:
- hb_language_item_t *first_lang = (hb_language_item_t *) hb_atomic_ptr_get (&langs);
-
- for (hb_language_item_t *lang = first_lang; lang; lang = lang->next)
- if (*lang == key)
- return lang;
-
- /* Not found; allocate one. */
- hb_language_item_t *lang = (hb_language_item_t *) calloc (1, sizeof (hb_language_item_t));
- if (unlikely (!lang))
- return NULL;
- lang->next = first_lang;
- *lang = key;
-
- if (!hb_atomic_ptr_cmpexch (&langs, first_lang, lang)) {
- free (lang);
- goto retry;
- }
-
-#ifdef HAVE_ATEXIT
- if (!first_lang)
- atexit (free_langs); /* First person registers atexit() callback. */
-#endif
-
- return lang;
-}
-
-
-/**
- * hb_language_from_string:
- * @str: (array length=len):
- * @len:
- *
- *
- *
- * Return value:
- *
- * Since: 1.0
- **/
-hb_language_t
-hb_language_from_string (const char *str, int len)
-{
- char strbuf[64];
-
- if (!str || !len || !*str)
- return HB_LANGUAGE_INVALID;
-
- if (len >= 0)
- {
- len = MIN (len, (int) sizeof (strbuf) - 1);
- str = (char *) memcpy (strbuf, str, len);
- strbuf[len] = '\0';
- }
-
- hb_language_item_t *item = lang_find_or_insert (str);
-
- return likely (item) ? item->lang : HB_LANGUAGE_INVALID;
-}
-
-/**
- * hb_language_to_string:
- * @language:
- *
- *
- *
- * Return value: (transfer none):
- *
- * Since: 1.0
- **/
-const char *
-hb_language_to_string (hb_language_t language)
-{
- /* This is actually NULL-safe! */
- return language->s;
-}
-
-/**
- * hb_language_get_default:
- *
- *
- *
- * Return value:
- *
- * Since: 1.0
- **/
-hb_language_t
-hb_language_get_default (void)
-{
- static hb_language_t default_language = HB_LANGUAGE_INVALID;
-
- hb_language_t language = (hb_language_t) hb_atomic_ptr_get (&default_language);
- if (unlikely (language == HB_LANGUAGE_INVALID)) {
- language = hb_language_from_string (setlocale (LC_CTYPE, NULL), -1);
- hb_atomic_ptr_cmpexch (&default_language, HB_LANGUAGE_INVALID, language);
- }
-
- return default_language;
-}
-
-
-/* hb_script_t */
-
-/**
- * hb_script_from_iso15924_tag:
- * @tag:
- *
- *
- *
- * Return value:
- *
- * Since: 1.0
- **/
-hb_script_t
-hb_script_from_iso15924_tag (hb_tag_t tag)
-{
- if (unlikely (tag == HB_TAG_NONE))
- return HB_SCRIPT_INVALID;
-
- /* Be lenient, adjust case (one capital letter followed by three small letters) */
- tag = (tag & 0xDFDFDFDF) | 0x00202020;
-
- switch (tag) {
-
- /* These graduated from the 'Q' private-area codes, but
- * the old code is still aliased by Unicode, and the Qaai
- * one in use by ICU. */
- case HB_TAG('Q','a','a','i'): return HB_SCRIPT_INHERITED;
- case HB_TAG('Q','a','a','c'): return HB_SCRIPT_COPTIC;
-
- /* Script variants from http://unicode.org/iso15924/ */
- case HB_TAG('C','y','r','s'): return HB_SCRIPT_CYRILLIC;
- case HB_TAG('L','a','t','f'): return HB_SCRIPT_LATIN;
- case HB_TAG('L','a','t','g'): return HB_SCRIPT_LATIN;
- case HB_TAG('S','y','r','e'): return HB_SCRIPT_SYRIAC;
- case HB_TAG('S','y','r','j'): return HB_SCRIPT_SYRIAC;
- case HB_TAG('S','y','r','n'): return HB_SCRIPT_SYRIAC;
- }
-
- /* If it looks right, just use the tag as a script */
- if (((uint32_t) tag & 0xE0E0E0E0) == 0x40606060)
- return (hb_script_t) tag;
-
- /* Otherwise, return unknown */
- return HB_SCRIPT_UNKNOWN;
-}
-
-/**
- * hb_script_from_string:
- * @s: (array length=len):
- * @len:
- *
- *
- *
- * Return value:
- *
- * Since: 1.0
- **/
-hb_script_t
-hb_script_from_string (const char *s, int len)
-{
- return hb_script_from_iso15924_tag (hb_tag_from_string (s, len));
-}
-
-/**
- * hb_script_to_iso15924_tag:
- * @script:
- *
- *
- *
- * Return value:
- *
- * Since: 1.0
- **/
-hb_tag_t
-hb_script_to_iso15924_tag (hb_script_t script)
-{
- return (hb_tag_t) script;
-}
-
-/**
- * hb_script_get_horizontal_direction:
- * @script:
- *
- *
- *
- * Return value:
- *
- * Since: 1.0
- **/
-hb_direction_t
-hb_script_get_horizontal_direction (hb_script_t script)
-{
- /* http://goo.gl/x9ilM */
- switch ((hb_tag_t) script)
- {
- /* Unicode-1.1 additions */
- case HB_SCRIPT_ARABIC:
- case HB_SCRIPT_HEBREW:
-
- /* Unicode-3.0 additions */
- case HB_SCRIPT_SYRIAC:
- case HB_SCRIPT_THAANA:
-
- /* Unicode-4.0 additions */
- case HB_SCRIPT_CYPRIOT:
-
- /* Unicode-4.1 additions */
- case HB_SCRIPT_KHAROSHTHI:
-
- /* Unicode-5.0 additions */
- case HB_SCRIPT_PHOENICIAN:
- case HB_SCRIPT_NKO:
-
- /* Unicode-5.1 additions */
- case HB_SCRIPT_LYDIAN:
-
- /* Unicode-5.2 additions */
- case HB_SCRIPT_AVESTAN:
- case HB_SCRIPT_IMPERIAL_ARAMAIC:
- case HB_SCRIPT_INSCRIPTIONAL_PAHLAVI:
- case HB_SCRIPT_INSCRIPTIONAL_PARTHIAN:
- case HB_SCRIPT_OLD_SOUTH_ARABIAN:
- case HB_SCRIPT_OLD_TURKIC:
- case HB_SCRIPT_SAMARITAN:
-
- /* Unicode-6.0 additions */
- case HB_SCRIPT_MANDAIC:
-
- /* Unicode-6.1 additions */
- case HB_SCRIPT_MEROITIC_CURSIVE:
- case HB_SCRIPT_MEROITIC_HIEROGLYPHS:
-
- return HB_DIRECTION_RTL;
- }
-
- return HB_DIRECTION_LTR;
-}
-
-
-/* hb_user_data_array_t */
-
-bool
-hb_user_data_array_t::set (hb_user_data_key_t *key,
- void * data,
- hb_destroy_func_t destroy,
- hb_bool_t replace)
-{
- if (!key)
- return false;
-
- if (replace) {
- if (!data && !destroy) {
- items.remove (key, lock);
- return true;
- }
- }
- hb_user_data_item_t item = {key, data, destroy};
- bool ret = !!items.replace_or_insert (item, lock, replace);
-
- return ret;
-}
-
-void *
-hb_user_data_array_t::get (hb_user_data_key_t *key)
-{
- hb_user_data_item_t item = {NULL };
-
- return items.find (key, &item, lock) ? item.data : NULL;
-}
-
-
-/* hb_version */
-
-/**
- * hb_version:
- * @major: (out): Library major version component.
- * @minor: (out): Library minor version component.
- * @micro: (out): Library micro version component.
- *
- * Returns library version as three integer components.
- *
- * Since: 1.0
- **/
-void
-hb_version (unsigned int *major,
- unsigned int *minor,
- unsigned int *micro)
-{
- *major = HB_VERSION_MAJOR;
- *minor = HB_VERSION_MINOR;
- *micro = HB_VERSION_MICRO;
-}
-
-/**
- * hb_version_string:
- *
- * Returns library version as a string with three components.
- *
- * Return value: library version string.
- *
- * Since: 1.0
- **/
-const char *
-hb_version_string (void)
-{
- return HB_VERSION_STRING;
-}
-
-/**
- * hb_version_check:
- * @major:
- * @minor:
- * @micro:
- *
- *
- *
- * Return value:
- *
- * Since: 1.0
- **/
-hb_bool_t
-hb_version_check (unsigned int major,
- unsigned int minor,
- unsigned int micro)
-{
- return HB_VERSION_CHECK (major, minor, micro);
-}