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-rw-r--r--src/3rdparty/harfbuzz-ng/src/hb-utf-private.hh282
1 files changed, 0 insertions, 282 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-utf-private.hh b/src/3rdparty/harfbuzz-ng/src/hb-utf-private.hh
deleted file mode 100644
index 211eb4dc02..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/hb-utf-private.hh
+++ /dev/null
@@ -1,282 +0,0 @@
-/*
- * Copyright © 2011,2012,2014 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.
- *
- * Google Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_UTF_PRIVATE_HH
-#define HB_UTF_PRIVATE_HH
-
-#include "hb-private.hh"
-
-
-struct hb_utf8_t
-{
- typedef uint8_t codepoint_t;
-
- static inline const uint8_t *
- next (const uint8_t *text,
- const uint8_t *end,
- hb_codepoint_t *unicode,
- hb_codepoint_t replacement)
- {
- /* Written to only accept well-formed sequences.
- * Based on ideas from ICU's U8_NEXT.
- * Generates one "replacement" for each ill-formed byte. */
-
- hb_codepoint_t c = *text++;
-
- if (c > 0x7Fu)
- {
- if (hb_in_range<hb_codepoint_t> (c, 0xC2u, 0xDFu)) /* Two-byte */
- {
- unsigned int t1;
- if (likely (text < end &&
- (t1 = text[0] - 0x80u) <= 0x3Fu))
- {
- c = ((c&0x1Fu)<<6) | t1;
- text++;
- }
- else
- goto error;
- }
- else if (hb_in_range<hb_codepoint_t> (c, 0xE0u, 0xEFu)) /* Three-byte */
- {
- unsigned int t1, t2;
- if (likely (1 < end - text &&
- (t1 = text[0] - 0x80u) <= 0x3Fu &&
- (t2 = text[1] - 0x80u) <= 0x3Fu))
- {
- c = ((c&0xFu)<<12) | (t1<<6) | t2;
- if (unlikely (c < 0x0800u || hb_in_range<hb_codepoint_t> (c, 0xD800u, 0xDFFFu)))
- goto error;
- text += 2;
- }
- else
- goto error;
- }
- else if (hb_in_range<hb_codepoint_t> (c, 0xF0u, 0xF4u)) /* Four-byte */
- {
- unsigned int t1, t2, t3;
- if (likely (2 < end - text &&
- (t1 = text[0] - 0x80u) <= 0x3Fu &&
- (t2 = text[1] - 0x80u) <= 0x3Fu &&
- (t3 = text[2] - 0x80u) <= 0x3Fu))
- {
- c = ((c&0x7u)<<18) | (t1<<12) | (t2<<6) | t3;
- if (unlikely (!hb_in_range<hb_codepoint_t> (c, 0x10000u, 0x10FFFFu)))
- goto error;
- text += 3;
- }
- else
- goto error;
- }
- else
- goto error;
- }
-
- *unicode = c;
- return text;
-
- error:
- *unicode = replacement;
- return text;
- }
-
- static inline const uint8_t *
- prev (const uint8_t *text,
- const uint8_t *start,
- hb_codepoint_t *unicode,
- hb_codepoint_t replacement)
- {
- const uint8_t *end = text--;
- while (start < text && (*text & 0xc0) == 0x80 && end - text < 4)
- text--;
-
- if (likely (next (text, end, unicode, replacement) == end))
- return text;
-
- *unicode = replacement;
- return end - 1;
- }
-
- static inline unsigned int
- strlen (const uint8_t *text)
- {
- return ::strlen ((const char *) text);
- }
-};
-
-
-struct hb_utf16_t
-{
- typedef uint16_t codepoint_t;
-
- static inline const uint16_t *
- next (const uint16_t *text,
- const uint16_t *end,
- hb_codepoint_t *unicode,
- hb_codepoint_t replacement)
- {
- hb_codepoint_t c = *text++;
-
- if (likely (!hb_in_range<hb_codepoint_t> (c, 0xD800u, 0xDFFFu)))
- {
- *unicode = c;
- return text;
- }
-
- if (likely (c <= 0xDBFFu && text < end))
- {
- /* High-surrogate in c */
- hb_codepoint_t l = *text;
- if (likely (hb_in_range<hb_codepoint_t> (l, 0xDC00u, 0xDFFFu)))
- {
- /* Low-surrogate in l */
- *unicode = (c << 10) + l - ((0xD800u << 10) - 0x10000u + 0xDC00u);
- text++;
- return text;
- }
- }
-
- /* Lonely / out-of-order surrogate. */
- *unicode = replacement;
- return text;
- }
-
- static inline const uint16_t *
- prev (const uint16_t *text,
- const uint16_t *start,
- hb_codepoint_t *unicode,
- hb_codepoint_t replacement)
- {
- hb_codepoint_t c = *--text;
-
- if (likely (!hb_in_range<hb_codepoint_t> (c, 0xD800u, 0xDFFFu)))
- {
- *unicode = c;
- return text;
- }
-
- if (likely (c >= 0xDC00u && start < text))
- {
- /* Low-surrogate in c */
- hb_codepoint_t h = text[-1];
- if (likely (hb_in_range<hb_codepoint_t> (h, 0xD800u, 0xDBFFu)))
- {
- /* High-surrogate in h */
- *unicode = (h << 10) + c - ((0xD800u << 10) - 0x10000u + 0xDC00u);
- text--;
- return text;
- }
- }
-
- /* Lonely / out-of-order surrogate. */
- *unicode = replacement;
- return text;
- }
-
-
- static inline unsigned int
- strlen (const uint16_t *text)
- {
- unsigned int l = 0;
- while (*text++) l++;
- return l;
- }
-};
-
-
-template <bool validate=true>
-struct hb_utf32_t
-{
- typedef uint32_t codepoint_t;
-
- static inline const uint32_t *
- next (const uint32_t *text,
- const uint32_t *end HB_UNUSED,
- hb_codepoint_t *unicode,
- hb_codepoint_t replacement)
- {
- hb_codepoint_t c = *unicode = *text++;
- if (validate && unlikely (c >= 0xD800u && (c <= 0xDFFFu || c > 0x10FFFFu)))
- *unicode = replacement;
- return text;
- }
-
- static inline const uint32_t *
- prev (const uint32_t *text,
- const uint32_t *start HB_UNUSED,
- hb_codepoint_t *unicode,
- hb_codepoint_t replacement)
- {
- hb_codepoint_t c = *unicode = *--text;
- if (validate && unlikely (c >= 0xD800u && (c <= 0xDFFFu || c > 0x10FFFFu)))
- *unicode = replacement;
- return text;
- }
-
- static inline unsigned int
- strlen (const uint32_t *text)
- {
- unsigned int l = 0;
- while (*text++) l++;
- return l;
- }
-};
-
-
-struct hb_latin1_t
-{
- typedef uint8_t codepoint_t;
-
- static inline const uint8_t *
- next (const uint8_t *text,
- const uint8_t *end HB_UNUSED,
- hb_codepoint_t *unicode,
- hb_codepoint_t replacement HB_UNUSED)
- {
- *unicode = *text++;
- return text;
- }
-
- static inline const uint8_t *
- prev (const uint8_t *text,
- const uint8_t *start HB_UNUSED,
- hb_codepoint_t *unicode,
- hb_codepoint_t replacement)
- {
- *unicode = *--text;
- return text;
- }
-
- static inline unsigned int
- strlen (const uint8_t *text)
- {
- unsigned int l = 0;
- while (*text++) l++;
- return l;
- }
-};
-
-#endif /* HB_UTF_PRIVATE_HH */
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 17:37:07 +0000