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-rw-r--r--security/sandbox/chromium/base/third_party/icu/LICENSE32
-rw-r--r--security/sandbox/chromium/base/third_party/icu/icu_utf.cc227
-rw-r--r--security/sandbox/chromium/base/third_party/icu/icu_utf.h400
3 files changed, 0 insertions, 659 deletions
diff --git a/security/sandbox/chromium/base/third_party/icu/LICENSE b/security/sandbox/chromium/base/third_party/icu/LICENSE
deleted file mode 100644
index 40282f494..000000000
--- a/security/sandbox/chromium/base/third_party/icu/LICENSE
+++ /dev/null
@@ -1,32 +0,0 @@
-ICU License - ICU 1.8.1 and later
-
-COPYRIGHT AND PERMISSION NOTICE
-
-Copyright (c) 1995-2009 International Business Machines Corporation and others
-
-All rights reserved.
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, and/or sell copies of the Software, and to permit persons
-to whom the Software is furnished to do so, provided that the above
-copyright notice(s) and this permission notice appear in all copies of
-the Software and that both the above copyright notice(s) and this
-permission notice appear in supporting documentation.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
-OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY
-SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER
-RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
-CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
-CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-Except as contained in this notice, the name of a copyright holder
-shall not be used in advertising or otherwise to promote the sale, use
-or other dealings in this Software without prior written authorization
-of the copyright holder.
diff --git a/security/sandbox/chromium/base/third_party/icu/icu_utf.cc b/security/sandbox/chromium/base/third_party/icu/icu_utf.cc
deleted file mode 100644
index 2b67c5d9c..000000000
--- a/security/sandbox/chromium/base/third_party/icu/icu_utf.cc
+++ /dev/null
@@ -1,227 +0,0 @@
-/*
-******************************************************************************
-*
-* Copyright (C) 1999-2006, International Business Machines
-* Corporation and others. All Rights Reserved.
-*
-******************************************************************************
-* file name: utf_impl.c
-* encoding: US-ASCII
-* tab size: 8 (not used)
-* indentation:4
-*
-* created on: 1999sep13
-* created by: Markus W. Scherer
-*
-* This file provides implementation functions for macros in the utfXX.h
-* that would otherwise be too long as macros.
-*/
-
-#include "base/third_party/icu/icu_utf.h"
-
-namespace base_icu {
-
-/**
- * UTF8_ERROR_VALUE_1 and UTF8_ERROR_VALUE_2 are special error values for UTF-8,
- * which need 1 or 2 bytes in UTF-8:
- * \code
- * U+0015 = NAK = Negative Acknowledge, C0 control character
- * U+009f = highest C1 control character
- * \endcode
- *
- * These are used by UTF8_..._SAFE macros so that they can return an error value
- * that needs the same number of code units (bytes) as were seen by
- * a macro. They should be tested with UTF_IS_ERROR() or UTF_IS_VALID().
- *
- * @deprecated ICU 2.4. Obsolete, see utf_old.h.
- */
-#define CBUTF8_ERROR_VALUE_1 0x15
-
-/**
- * See documentation on UTF8_ERROR_VALUE_1 for details.
- *
- * @deprecated ICU 2.4. Obsolete, see utf_old.h.
- */
-#define CBUTF8_ERROR_VALUE_2 0x9f
-
-
-/**
- * Error value for all UTFs. This code point value will be set by macros with e>
- * checking if an error is detected.
- *
- * @deprecated ICU 2.4. Obsolete, see utf_old.h.
- */
-#define CBUTF_ERROR_VALUE 0xffff
-
-/*
- * This table could be replaced on many machines by
- * a few lines of assembler code using an
- * "index of first 0-bit from msb" instruction and
- * one or two more integer instructions.
- *
- * For example, on an i386, do something like
- * - MOV AL, leadByte
- * - NOT AL (8-bit, leave b15..b8==0..0, reverse only b7..b0)
- * - MOV AH, 0
- * - BSR BX, AX (16-bit)
- * - MOV AX, 6 (result)
- * - JZ finish (ZF==1 if leadByte==0xff)
- * - SUB AX, BX (result)
- * -finish:
- * (BSR: Bit Scan Reverse, scans for a 1-bit, starting from the MSB)
- *
- * In Unicode, all UTF-8 byte sequences with more than 4 bytes are illegal;
- * lead bytes above 0xf4 are illegal.
- * We keep them in this table for skipping long ISO 10646-UTF-8 sequences.
- */
-const uint8_t utf8_countTrailBytes[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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3,
- 3, 3, /* illegal in Unicode */
- 4, 4, 4, 4, /* illegal in Unicode */
- 5, 5, /* illegal in Unicode */
- 0, 0 /* illegal bytes 0xfe and 0xff */
-};
-
-static const UChar32
-utf8_minLegal[4]={ 0, 0x80, 0x800, 0x10000 };
-
-static const UChar32
-utf8_errorValue[6]={
- CBUTF8_ERROR_VALUE_1, CBUTF8_ERROR_VALUE_2, CBUTF_ERROR_VALUE, 0x10ffff,
- 0x3ffffff, 0x7fffffff
-};
-
-/*
- * Handle the non-inline part of the U8_NEXT() macro and its obsolete sibling
- * UTF8_NEXT_CHAR_SAFE().
- *
- * The "strict" parameter controls the error behavior:
- * <0 "Safe" behavior of U8_NEXT(): All illegal byte sequences yield a negative
- * code point result.
- * 0 Obsolete "safe" behavior of UTF8_NEXT_CHAR_SAFE(..., FALSE):
- * All illegal byte sequences yield a positive code point such that this
- * result code point would be encoded with the same number of bytes as
- * the illegal sequence.
- * >0 Obsolete "strict" behavior of UTF8_NEXT_CHAR_SAFE(..., TRUE):
- * Same as the obsolete "safe" behavior, but non-characters are also treated
- * like illegal sequences.
- *
- * The special negative (<0) value -2 is used for lenient treatment of surrogate
- * code points as legal. Some implementations use this for roundtripping of
- * Unicode 16-bit strings that are not well-formed UTF-16, that is, they
- * contain unpaired surrogates.
- *
- * Note that a UBool is the same as an int8_t.
- */
-UChar32 utf8_nextCharSafeBody(const uint8_t* s,
- int32_t* pi,
- int32_t length,
- UChar32 c,
- UBool strict) {
- int32_t i = *pi;
- uint8_t count = CBU8_COUNT_TRAIL_BYTES(c);
- if((i)+count<=(length)) {
- uint8_t trail, illegal = 0;
-
- CBU8_MASK_LEAD_BYTE((c), count);
- /* count==0 for illegally leading trail bytes and the illegal bytes 0xfe and 0xff */
- switch(count) {
- /* each branch falls through to the next one */
- case 5:
- case 4:
- /* count>=4 is always illegal: no more than 3 trail bytes in Unicode's UTF-8 */
- illegal=1;
- break;
- case 3:
- trail=s[(i)++];
- (c)=((c)<<6)|(trail&0x3f);
- if(c<0x110) {
- illegal|=(trail&0xc0)^0x80;
- } else {
- /* code point>0x10ffff, outside Unicode */
- illegal=1;
- break;
- }
- case 2:
- trail=s[(i)++];
- (c)=((c)<<6)|(trail&0x3f);
- illegal|=(trail&0xc0)^0x80;
- case 1:
- trail=s[(i)++];
- (c)=((c)<<6)|(trail&0x3f);
- illegal|=(trail&0xc0)^0x80;
- break;
- case 0:
- if(strict>=0) {
- return CBUTF8_ERROR_VALUE_1;
- } else {
- return CBU_SENTINEL;
- }
- /* no default branch to optimize switch() - all values are covered */
- }
-
- /*
- * All the error handling should return a value
- * that needs count bytes so that UTF8_GET_CHAR_SAFE() works right.
- *
- * Starting with Unicode 3.0.1, non-shortest forms are illegal.
- * Starting with Unicode 3.2, surrogate code points must not be
- * encoded in UTF-8, and there are no irregular sequences any more.
- *
- * U8_ macros (new in ICU 2.4) return negative values for error conditions.
- */
-
- /* correct sequence - all trail bytes have (b7..b6)==(10)? */
- /* illegal is also set if count>=4 */
- if(illegal || (c)<utf8_minLegal[count] || (CBU_IS_SURROGATE(c) && strict!=-2)) {
- /* error handling */
- uint8_t errorCount = count;
- /* don't go beyond this sequence */
- i=*pi;
- while(count>0 && CBU8_IS_TRAIL(s[i])) {
- ++(i);
- --count;
- }
- if(strict>=0) {
- c=utf8_errorValue[errorCount-count];
- } else {
- c=CBU_SENTINEL;
- }
- } else if((strict)>0 && CBU_IS_UNICODE_NONCHAR(c)) {
- /* strict: forbid non-characters like U+fffe */
- c=utf8_errorValue[count];
- }
- } else /* too few bytes left */ {
- /* error handling */
- int32_t i0 = i;
- /* don't just set (i)=(length) in case there is an illegal sequence */
- while((i)<(length) && CBU8_IS_TRAIL(s[i])) {
- ++(i);
- }
- if(strict>=0) {
- c=utf8_errorValue[i-i0];
- } else {
- c=CBU_SENTINEL;
- }
- }
- *pi=i;
- return c;
-}
-
-} // namespace base_icu
diff --git a/security/sandbox/chromium/base/third_party/icu/icu_utf.h b/security/sandbox/chromium/base/third_party/icu/icu_utf.h
deleted file mode 100644
index 4370fdec1..000000000
--- a/security/sandbox/chromium/base/third_party/icu/icu_utf.h
+++ /dev/null
@@ -1,400 +0,0 @@
-/*
-*******************************************************************************
-*
-* Copyright (C) 1999-2004, International Business Machines
-* Corporation and others. All Rights Reserved.
-*
-*******************************************************************************
-* file name: utf.h
-* encoding: US-ASCII
-* tab size: 8 (not used)
-* indentation:4
-*
-* created on: 1999sep09
-* created by: Markus W. Scherer
-*/
-
-#ifndef BASE_THIRD_PARTY_ICU_ICU_UTF_H_
-#define BASE_THIRD_PARTY_ICU_ICU_UTF_H_
-
-#include <stdint.h>
-
-namespace base_icu {
-
-typedef int32_t UChar32;
-typedef uint16_t UChar;
-typedef int8_t UBool;
-
-// General ---------------------------------------------------------------------
-// from utf.h
-
-/**
- * This value is intended for sentinel values for APIs that
- * (take or) return single code points (UChar32).
- * It is outside of the Unicode code point range 0..0x10ffff.
- *
- * For example, a "done" or "error" value in a new API
- * could be indicated with CBU_SENTINEL.
- *
- * ICU APIs designed before ICU 2.4 usually define service-specific "done"
- * values, mostly 0xffff.
- * Those may need to be distinguished from
- * actual U+ffff text contents by calling functions like
- * CharacterIterator::hasNext() or UnicodeString::length().
- *
- * @return -1
- * @see UChar32
- * @stable ICU 2.4
- */
-#define CBU_SENTINEL (-1)
-
-/**
- * Is this code point a Unicode noncharacter?
- * @param c 32-bit code point
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU_IS_UNICODE_NONCHAR(c) \
- ((c) >= 0xfdd0 && ((uint32_t)(c) <= 0xfdef || ((c)&0xfffe) == 0xfffe) && \
- (uint32_t)(c) <= 0x10ffff)
-
-/**
- * Is c a Unicode code point value (0..U+10ffff)
- * that can be assigned a character?
- *
- * Code points that are not characters include:
- * - single surrogate code points (U+d800..U+dfff, 2048 code points)
- * - the last two code points on each plane (U+__fffe and U+__ffff, 34 code points)
- * - U+fdd0..U+fdef (new with Unicode 3.1, 32 code points)
- * - the highest Unicode code point value is U+10ffff
- *
- * This means that all code points below U+d800 are character code points,
- * and that boundary is tested first for performance.
- *
- * @param c 32-bit code point
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU_IS_UNICODE_CHAR(c) \
- ((uint32_t)(c) < 0xd800 || \
- ((uint32_t)(c) > 0xdfff && (uint32_t)(c) <= 0x10ffff && \
- !CBU_IS_UNICODE_NONCHAR(c)))
-
-/**
- * Is this code point a surrogate (U+d800..U+dfff)?
- * @param c 32-bit code point
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU_IS_SURROGATE(c) (((c)&0xfffff800)==0xd800)
-
-/**
- * Assuming c is a surrogate code point (U_IS_SURROGATE(c)),
- * is it a lead surrogate?
- * @param c 32-bit code point
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU_IS_SURROGATE_LEAD(c) (((c)&0x400)==0)
-
-
-// UTF-8 macros ----------------------------------------------------------------
-// from utf8.h
-
-extern const uint8_t utf8_countTrailBytes[256];
-
-/**
- * Count the trail bytes for a UTF-8 lead byte.
- * @internal
- */
-#define CBU8_COUNT_TRAIL_BYTES(leadByte) \
- (base_icu::utf8_countTrailBytes[(uint8_t)leadByte])
-
-/**
- * Mask a UTF-8 lead byte, leave only the lower bits that form part of the code point value.
- * @internal
- */
-#define CBU8_MASK_LEAD_BYTE(leadByte, countTrailBytes) ((leadByte)&=(1<<(6-(countTrailBytes)))-1)
-
-/**
- * Does this code unit (byte) encode a code point by itself (US-ASCII 0..0x7f)?
- * @param c 8-bit code unit (byte)
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU8_IS_SINGLE(c) (((c)&0x80)==0)
-
-/**
- * Is this code unit (byte) a UTF-8 lead byte?
- * @param c 8-bit code unit (byte)
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU8_IS_LEAD(c) ((uint8_t)((c)-0xc0) < 0x3e)
-
-/**
- * Is this code unit (byte) a UTF-8 trail byte?
- * @param c 8-bit code unit (byte)
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU8_IS_TRAIL(c) (((c)&0xc0)==0x80)
-
-/**
- * How many code units (bytes) are used for the UTF-8 encoding
- * of this Unicode code point?
- * @param c 32-bit code point
- * @return 1..4, or 0 if c is a surrogate or not a Unicode code point
- * @stable ICU 2.4
- */
-#define CBU8_LENGTH(c) \
- ((uint32_t)(c) <= 0x7f \
- ? 1 \
- : ((uint32_t)(c) <= 0x7ff \
- ? 2 \
- : ((uint32_t)(c) <= 0xd7ff \
- ? 3 \
- : ((uint32_t)(c) <= 0xdfff || (uint32_t)(c) > 0x10ffff \
- ? 0 \
- : ((uint32_t)(c) <= 0xffff ? 3 : 4)))))
-
-/**
- * The maximum number of UTF-8 code units (bytes) per Unicode code point (U+0000..U+10ffff).
- * @return 4
- * @stable ICU 2.4
- */
-#define CBU8_MAX_LENGTH 4
-
-/**
- * Function for handling "next code point" with error-checking.
- * @internal
- */
-UChar32 utf8_nextCharSafeBody(const uint8_t* s,
- int32_t* pi,
- int32_t length,
- UChar32 c,
- UBool strict);
-
-/**
- * Get a code point from a string at a code point boundary offset,
- * and advance the offset to the next code point boundary.
- * (Post-incrementing forward iteration.)
- * "Safe" macro, checks for illegal sequences and for string boundaries.
- *
- * The offset may point to the lead byte of a multi-byte sequence,
- * in which case the macro will read the whole sequence.
- * If the offset points to a trail byte or an illegal UTF-8 sequence, then
- * c is set to a negative value.
- *
- * @param s const uint8_t * string
- * @param i string offset, i<length
- * @param length string length
- * @param c output UChar32 variable, set to <0 in case of an error
- * @see CBU8_NEXT_UNSAFE
- * @stable ICU 2.4
- */
-#define CBU8_NEXT(s, i, length, c) \
- { \
- (c) = (s)[(i)++]; \
- if (((uint8_t)(c)) >= 0x80) { \
- if (CBU8_IS_LEAD(c)) { \
- (c) = base_icu::utf8_nextCharSafeBody((const uint8_t*)s, &(i), \
- (int32_t)(length), c, -1); \
- } else { \
- (c) = CBU_SENTINEL; \
- } \
- } \
- }
-
-/**
- * Append a code point to a string, overwriting 1 to 4 bytes.
- * The offset points to the current end of the string contents
- * and is advanced (post-increment).
- * "Unsafe" macro, assumes a valid code point and sufficient space in the
- * string.
- * Otherwise, the result is undefined.
- *
- * @param s const uint8_t * string buffer
- * @param i string offset
- * @param c code point to append
- * @see CBU8_APPEND
- * @stable ICU 2.4
- */
-#define CBU8_APPEND_UNSAFE(s, i, c) \
- { \
- if ((uint32_t)(c) <= 0x7f) { \
- (s)[(i)++] = (uint8_t)(c); \
- } else { \
- if ((uint32_t)(c) <= 0x7ff) { \
- (s)[(i)++] = (uint8_t)(((c) >> 6) | 0xc0); \
- } else { \
- if ((uint32_t)(c) <= 0xffff) { \
- (s)[(i)++] = (uint8_t)(((c) >> 12) | 0xe0); \
- } else { \
- (s)[(i)++] = (uint8_t)(((c) >> 18) | 0xf0); \
- (s)[(i)++] = (uint8_t)((((c) >> 12) & 0x3f) | 0x80); \
- } \
- (s)[(i)++] = (uint8_t)((((c) >> 6) & 0x3f) | 0x80); \
- } \
- (s)[(i)++] = (uint8_t)(((c)&0x3f) | 0x80); \
- } \
- }
-
-// UTF-16 macros ---------------------------------------------------------------
-// from utf16.h
-
-/**
- * Does this code unit alone encode a code point (BMP, not a surrogate)?
- * @param c 16-bit code unit
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU16_IS_SINGLE(c) !CBU_IS_SURROGATE(c)
-
-/**
- * Is this code unit a lead surrogate (U+d800..U+dbff)?
- * @param c 16-bit code unit
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU16_IS_LEAD(c) (((c)&0xfffffc00)==0xd800)
-
-/**
- * Is this code unit a trail surrogate (U+dc00..U+dfff)?
- * @param c 16-bit code unit
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU16_IS_TRAIL(c) (((c)&0xfffffc00)==0xdc00)
-
-/**
- * Is this code unit a surrogate (U+d800..U+dfff)?
- * @param c 16-bit code unit
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU16_IS_SURROGATE(c) CBU_IS_SURROGATE(c)
-
-/**
- * Assuming c is a surrogate code point (U16_IS_SURROGATE(c)),
- * is it a lead surrogate?
- * @param c 16-bit code unit
- * @return TRUE or FALSE
- * @stable ICU 2.4
- */
-#define CBU16_IS_SURROGATE_LEAD(c) (((c)&0x400)==0)
-
-/**
- * Helper constant for CBU16_GET_SUPPLEMENTARY.
- * @internal
- */
-#define CBU16_SURROGATE_OFFSET ((0xd800<<10UL)+0xdc00-0x10000)
-
-/**
- * Get a supplementary code point value (U+10000..U+10ffff)
- * from its lead and trail surrogates.
- * The result is undefined if the input values are not
- * lead and trail surrogates.
- *
- * @param lead lead surrogate (U+d800..U+dbff)
- * @param trail trail surrogate (U+dc00..U+dfff)
- * @return supplementary code point (U+10000..U+10ffff)
- * @stable ICU 2.4
- */
-#define CBU16_GET_SUPPLEMENTARY(lead, trail) \
- (((base_icu::UChar32)(lead)<<10UL)+(base_icu::UChar32)(trail)-CBU16_SURROGATE_OFFSET)
-
-
-/**
- * Get the lead surrogate (0xd800..0xdbff) for a
- * supplementary code point (0x10000..0x10ffff).
- * @param supplementary 32-bit code point (U+10000..U+10ffff)
- * @return lead surrogate (U+d800..U+dbff) for supplementary
- * @stable ICU 2.4
- */
-#define CBU16_LEAD(supplementary) \
- (base_icu::UChar)(((supplementary)>>10)+0xd7c0)
-
-/**
- * Get the trail surrogate (0xdc00..0xdfff) for a
- * supplementary code point (0x10000..0x10ffff).
- * @param supplementary 32-bit code point (U+10000..U+10ffff)
- * @return trail surrogate (U+dc00..U+dfff) for supplementary
- * @stable ICU 2.4
- */
-#define CBU16_TRAIL(supplementary) \
- (base_icu::UChar)(((supplementary)&0x3ff)|0xdc00)
-
-/**
- * How many 16-bit code units are used to encode this Unicode code point? (1 or 2)
- * The result is not defined if c is not a Unicode code point (U+0000..U+10ffff).
- * @param c 32-bit code point
- * @return 1 or 2
- * @stable ICU 2.4
- */
-#define CBU16_LENGTH(c) ((uint32_t)(c) <= 0xffff ? 1 : 2)
-
-/**
- * The maximum number of 16-bit code units per Unicode code point (U+0000..U+10ffff).
- * @return 2
- * @stable ICU 2.4
- */
-#define CBU16_MAX_LENGTH 2
-
-/**
- * Get a code point from a string at a code point boundary offset,
- * and advance the offset to the next code point boundary.
- * (Post-incrementing forward iteration.)
- * "Safe" macro, handles unpaired surrogates and checks for string boundaries.
- *
- * The offset may point to the lead surrogate unit
- * for a supplementary code point, in which case the macro will read
- * the following trail surrogate as well.
- * If the offset points to a trail surrogate or
- * to a single, unpaired lead surrogate, then that itself
- * will be returned as the code point.
- *
- * @param s const UChar * string
- * @param i string offset, i<length
- * @param length string length
- * @param c output UChar32 variable
- * @stable ICU 2.4
- */
-#define CBU16_NEXT(s, i, length, c) \
- { \
- (c) = (s)[(i)++]; \
- if (CBU16_IS_LEAD(c)) { \
- uint16_t __c2; \
- if ((i) < (length) && CBU16_IS_TRAIL(__c2 = (s)[(i)])) { \
- ++(i); \
- (c) = CBU16_GET_SUPPLEMENTARY((c), __c2); \
- } \
- } \
- }
-
-/**
- * Append a code point to a string, overwriting 1 or 2 code units.
- * The offset points to the current end of the string contents
- * and is advanced (post-increment).
- * "Unsafe" macro, assumes a valid code point and sufficient space in the string.
- * Otherwise, the result is undefined.
- *
- * @param s const UChar * string buffer
- * @param i string offset
- * @param c code point to append
- * @see CBU16_APPEND
- * @stable ICU 2.4
- */
-#define CBU16_APPEND_UNSAFE(s, i, c) \
- { \
- if ((uint32_t)(c) <= 0xffff) { \
- (s)[(i)++] = (uint16_t)(c); \
- } else { \
- (s)[(i)++] = (uint16_t)(((c) >> 10) + 0xd7c0); \
- (s)[(i)++] = (uint16_t)(((c)&0x3ff) | 0xdc00); \
- } \
- }
-
-} // namesapce base_icu
-
-#endif // BASE_THIRD_PARTY_ICU_ICU_UTF_H_