Linux tsuru-no-tsurugi 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64
Apache/2.4.52 (Ubuntu)
Server IP : 192.168.0.18 & Your IP : 216.73.217.105
Domains :
Cant Read [ /etc/named.conf ]
User : www-data
Terminal
Auto Root
Create File
Create Folder
Localroot Suggester
Backdoor Destroyer
Readme
/
usr /
include /
unicode /
Delete
Unzip
Name
Size
Permission
Date
Action
alphaindex.h
26.52
KB
-rw-r--r--
2021-11-04 15:01
appendable.h
8.53
KB
-rw-r--r--
2021-11-04 15:01
basictz.h
9.92
KB
-rw-r--r--
2021-11-04 15:01
brkiter.h
27.81
KB
-rw-r--r--
2021-11-04 15:01
bytestream.h
10.75
KB
-rw-r--r--
2021-11-04 15:01
bytestrie.h
20.77
KB
-rw-r--r--
2021-11-04 15:01
bytestriebuilder.h
7.46
KB
-rw-r--r--
2021-11-04 15:01
calendar.h
105.88
KB
-rw-r--r--
2021-11-04 15:01
caniter.h
7.44
KB
-rw-r--r--
2021-11-04 15:01
casemap.h
25.33
KB
-rw-r--r--
2021-11-04 15:01
char16ptr.h
7.22
KB
-rw-r--r--
2021-11-04 15:01
chariter.h
24.06
KB
-rw-r--r--
2021-11-04 15:01
choicfmt.h
23.97
KB
-rw-r--r--
2021-11-04 15:01
coleitr.h
13.77
KB
-rw-r--r--
2021-11-04 15:01
coll.h
56.26
KB
-rw-r--r--
2021-11-04 15:01
compactdecimalformat.h
6.88
KB
-rw-r--r--
2021-11-04 15:01
curramt.h
3.78
KB
-rw-r--r--
2021-11-04 15:01
currpinf.h
7.3
KB
-rw-r--r--
2021-11-04 15:01
currunit.h
4.02
KB
-rw-r--r--
2021-11-04 15:01
datefmt.h
40.71
KB
-rw-r--r--
2021-11-04 15:01
dbbi.h
1.19
KB
-rw-r--r--
2021-11-04 15:01
dcfmtsym.h
20.61
KB
-rw-r--r--
2021-11-04 15:01
decimfmt.h
87.57
KB
-rw-r--r--
2021-11-04 15:01
docmain.h
7.21
KB
-rw-r--r--
2021-11-04 15:01
dtfmtsym.h
38.21
KB
-rw-r--r--
2021-11-04 15:01
dtintrv.h
3.84
KB
-rw-r--r--
2021-11-04 15:01
dtitvfmt.h
49.27
KB
-rw-r--r--
2021-11-04 15:01
dtitvinf.h
18.63
KB
-rw-r--r--
2021-11-04 15:01
dtptngen.h
26.07
KB
-rw-r--r--
2021-11-04 15:01
dtrule.h
8.69
KB
-rw-r--r--
2021-11-04 15:01
edits.h
20.74
KB
-rw-r--r--
2021-11-04 15:01
enumset.h
2.08
KB
-rw-r--r--
2021-11-04 15:01
errorcode.h
4.84
KB
-rw-r--r--
2021-11-04 15:01
fieldpos.h
8.7
KB
-rw-r--r--
2021-11-04 15:01
filteredbrk.h
5.37
KB
-rw-r--r--
2021-11-04 15:01
fmtable.h
24.43
KB
-rw-r--r--
2021-11-04 15:01
format.h
12.5
KB
-rw-r--r--
2021-11-04 15:01
formattedvalue.h
9.75
KB
-rw-r--r--
2021-11-04 15:01
fpositer.h
3.03
KB
-rw-r--r--
2021-11-04 15:01
gender.h
3.33
KB
-rw-r--r--
2021-11-04 15:01
gregocal.h
31.88
KB
-rw-r--r--
2021-11-04 15:01
icudataver.h
1.02
KB
-rw-r--r--
2021-11-04 15:01
icuplug.h
11.83
KB
-rw-r--r--
2021-11-04 15:01
idna.h
12.7
KB
-rw-r--r--
2021-11-04 15:01
listformatter.h
8.79
KB
-rw-r--r--
2021-11-04 15:01
localebuilder.h
11.08
KB
-rw-r--r--
2021-11-04 15:01
localematcher.h
26.82
KB
-rw-r--r--
2021-11-04 15:01
localpointer.h
19.36
KB
-rw-r--r--
2021-11-04 15:01
locdspnm.h
7.12
KB
-rw-r--r--
2021-11-04 15:01
locid.h
47.66
KB
-rw-r--r--
2021-11-04 15:01
measfmt.h
11.42
KB
-rw-r--r--
2021-11-04 15:01
measunit.h
105.09
KB
-rw-r--r--
2021-11-04 15:01
measure.h
4.33
KB
-rw-r--r--
2021-11-04 15:01
messagepattern.h
33.71
KB
-rw-r--r--
2021-11-04 15:01
msgfmt.h
44.22
KB
-rw-r--r--
2021-11-04 15:01
normalizer2.h
33.66
KB
-rw-r--r--
2021-11-04 15:01
normlzr.h
30.95
KB
-rw-r--r--
2021-11-04 15:01
nounit.h
2.25
KB
-rw-r--r--
2021-11-04 15:01
numberformatter.h
92.29
KB
-rw-r--r--
2021-11-04 15:01
numberrangeformatter.h
25.19
KB
-rw-r--r--
2021-11-04 15:01
numfmt.h
49.84
KB
-rw-r--r--
2021-11-04 15:01
numsys.h
7.33
KB
-rw-r--r--
2021-11-04 15:01
parseerr.h
3.08
KB
-rw-r--r--
2021-11-04 15:01
parsepos.h
5.57
KB
-rw-r--r--
2021-11-04 15:01
platform.h
28.09
KB
-rw-r--r--
2021-11-04 15:01
plurfmt.h
25.24
KB
-rw-r--r--
2021-11-04 15:01
plurrule.h
20.82
KB
-rw-r--r--
2021-11-04 15:01
ptypes.h
3.49
KB
-rw-r--r--
2021-11-04 15:01
putil.h
6.32
KB
-rw-r--r--
2021-11-04 15:01
rbbi.h
27.75
KB
-rw-r--r--
2021-11-04 15:01
rbnf.h
48.85
KB
-rw-r--r--
2021-11-04 15:01
rbtz.h
15.83
KB
-rw-r--r--
2021-11-04 15:01
regex.h
84.36
KB
-rw-r--r--
2021-11-04 15:01
region.h
9.18
KB
-rw-r--r--
2021-11-04 15:01
reldatefmt.h
22.22
KB
-rw-r--r--
2021-11-04 15:01
rep.h
9.37
KB
-rw-r--r--
2021-11-04 15:01
resbund.h
18.08
KB
-rw-r--r--
2021-11-04 15:01
schriter.h
6.36
KB
-rw-r--r--
2021-11-04 15:01
scientificnumberformatter.h
6.43
KB
-rw-r--r--
2021-11-04 15:01
search.h
22.22
KB
-rw-r--r--
2021-11-04 15:01
selfmt.h
14.34
KB
-rw-r--r--
2021-11-04 15:01
simpleformatter.h
12.59
KB
-rw-r--r--
2021-11-04 15:01
simpletz.h
45.7
KB
-rw-r--r--
2021-11-04 15:01
smpdtfmt.h
71.07
KB
-rw-r--r--
2021-11-04 15:01
sortkey.h
11.18
KB
-rw-r--r--
2021-11-04 15:01
std_string.h
1.05
KB
-rw-r--r--
2021-11-04 15:01
strenum.h
9.92
KB
-rw-r--r--
2021-11-04 15:01
stringoptions.h
5.79
KB
-rw-r--r--
2021-11-04 15:01
stringpiece.h
10.05
KB
-rw-r--r--
2021-11-04 15:01
stringtriebuilder.h
15.47
KB
-rw-r--r--
2021-11-04 15:01
stsearch.h
21.41
KB
-rw-r--r--
2021-11-04 15:01
symtable.h
4.27
KB
-rw-r--r--
2021-11-04 15:01
tblcoll.h
36.92
KB
-rw-r--r--
2021-11-04 15:01
timezone.h
43.81
KB
-rw-r--r--
2021-11-04 15:01
tmunit.h
3.4
KB
-rw-r--r--
2021-11-04 15:01
tmutamt.h
4.91
KB
-rw-r--r--
2021-11-04 15:01
tmutfmt.h
7.42
KB
-rw-r--r--
2021-11-04 15:01
translit.h
65.82
KB
-rw-r--r--
2021-11-04 15:01
tzfmt.h
42.93
KB
-rw-r--r--
2021-11-04 15:01
tznames.h
16.85
KB
-rw-r--r--
2021-11-04 15:01
tzrule.h
35.6
KB
-rw-r--r--
2021-11-04 15:01
tztrans.h
6.13
KB
-rw-r--r--
2021-11-04 15:01
ubidi.h
89.61
KB
-rw-r--r--
2021-11-04 15:01
ubiditransform.h
12.7
KB
-rw-r--r--
2021-11-04 15:01
ubrk.h
24.46
KB
-rw-r--r--
2021-11-04 15:01
ucal.h
61
KB
-rw-r--r--
2021-11-04 15:01
ucasemap.h
15.21
KB
-rw-r--r--
2021-11-04 15:01
ucat.h
5.35
KB
-rw-r--r--
2021-11-04 15:01
uchar.h
144.64
KB
-rw-r--r--
2021-11-04 15:01
ucharstrie.h
22.53
KB
-rw-r--r--
2021-11-04 15:01
ucharstriebuilder.h
7.47
KB
-rw-r--r--
2021-11-04 15:01
uchriter.h
13.42
KB
-rw-r--r--
2021-11-04 15:01
uclean.h
11.2
KB
-rw-r--r--
2021-11-04 15:01
ucnv.h
83.06
KB
-rw-r--r--
2021-11-04 15:01
ucnv_cb.h
6.58
KB
-rw-r--r--
2021-11-04 15:01
ucnv_err.h
20.98
KB
-rw-r--r--
2021-11-04 15:01
ucnvsel.h
6.19
KB
-rw-r--r--
2021-11-04 15:01
ucol.h
61.51
KB
-rw-r--r--
2021-11-04 15:01
ucoleitr.h
9.82
KB
-rw-r--r--
2021-11-04 15:01
uconfig.h
12.07
KB
-rw-r--r--
2021-11-04 15:01
ucpmap.h
5.53
KB
-rw-r--r--
2021-11-04 15:01
ucptrie.h
22.5
KB
-rw-r--r--
2021-11-04 15:01
ucsdet.h
14.69
KB
-rw-r--r--
2021-11-04 15:01
ucurr.h
16.72
KB
-rw-r--r--
2021-11-04 15:01
udat.h
62.4
KB
-rw-r--r--
2021-11-04 15:01
udata.h
15.63
KB
-rw-r--r--
2021-11-04 15:01
udateintervalformat.h
11.93
KB
-rw-r--r--
2021-11-04 15:01
udatpg.h
26.76
KB
-rw-r--r--
2021-11-04 15:01
udisplaycontext.h
5.94
KB
-rw-r--r--
2021-11-04 15:01
uenum.h
7.79
KB
-rw-r--r--
2021-11-04 15:01
ufieldpositer.h
4.41
KB
-rw-r--r--
2021-11-04 15:01
uformattable.h
10.97
KB
-rw-r--r--
2021-11-04 15:01
uformattedvalue.h
12.3
KB
-rw-r--r--
2021-11-04 15:01
ugender.h
2.06
KB
-rw-r--r--
2021-11-04 15:01
uidna.h
33.43
KB
-rw-r--r--
2021-11-04 15:01
uiter.h
22.75
KB
-rw-r--r--
2021-11-04 15:01
uldnames.h
10.48
KB
-rw-r--r--
2021-11-04 15:01
ulistformatter.h
10.78
KB
-rw-r--r--
2021-11-04 15:01
uloc.h
54.63
KB
-rw-r--r--
2021-11-04 15:01
ulocdata.h
11.3
KB
-rw-r--r--
2021-11-04 15:01
umachine.h
16.05
KB
-rw-r--r--
2021-11-04 15:01
umisc.h
1.33
KB
-rw-r--r--
2021-11-04 15:01
umsg.h
24.25
KB
-rw-r--r--
2021-11-04 15:01
umutablecptrie.h
8.29
KB
-rw-r--r--
2021-11-04 15:01
unifilt.h
4
KB
-rw-r--r--
2021-11-04 15:01
unifunct.h
4.05
KB
-rw-r--r--
2021-11-04 15:01
unimatch.h
6.1
KB
-rw-r--r--
2021-11-04 15:01
unirepl.h
3.38
KB
-rw-r--r--
2021-11-04 15:01
uniset.h
66.51
KB
-rw-r--r--
2021-11-04 15:01
unistr.h
170.53
KB
-rw-r--r--
2021-11-04 15:01
unorm.h
20.55
KB
-rw-r--r--
2021-11-04 15:01
unorm2.h
24.68
KB
-rw-r--r--
2021-11-04 15:01
unum.h
54.95
KB
-rw-r--r--
2021-11-04 15:01
unumberformatter.h
30.45
KB
-rw-r--r--
2021-11-04 15:01
unumberrangeformatter.h
15.37
KB
-rw-r--r--
2021-11-04 15:01
unumsys.h
7.26
KB
-rw-r--r--
2021-11-04 15:01
uobject.h
10.68
KB
-rw-r--r--
2021-11-04 15:01
upluralrules.h
8.79
KB
-rw-r--r--
2021-11-04 15:01
uregex.h
71.99
KB
-rw-r--r--
2021-11-04 15:01
uregion.h
9.81
KB
-rw-r--r--
2021-11-04 15:01
ureldatefmt.h
17.04
KB
-rw-r--r--
2021-11-04 15:01
urename.h
134.62
KB
-rw-r--r--
2021-11-04 15:01
urep.h
5.38
KB
-rw-r--r--
2021-11-04 15:01
ures.h
36.54
KB
-rw-r--r--
2021-11-04 15:01
uscript.h
27.63
KB
-rw-r--r--
2021-11-04 15:01
usearch.h
39.21
KB
-rw-r--r--
2021-11-04 15:01
uset.h
44.44
KB
-rw-r--r--
2021-11-04 15:01
usetiter.h
9.68
KB
-rw-r--r--
2021-11-04 15:01
ushape.h
18
KB
-rw-r--r--
2021-11-04 15:01
uspoof.h
65.84
KB
-rw-r--r--
2021-11-04 15:01
usprep.h
8.19
KB
-rw-r--r--
2021-11-04 15:01
ustdio.h
38.56
KB
-rw-r--r--
2021-11-04 15:01
ustream.h
1.89
KB
-rw-r--r--
2021-11-04 15:01
ustring.h
72.36
KB
-rw-r--r--
2021-11-04 15:01
ustringtrie.h
3.15
KB
-rw-r--r--
2021-11-04 15:01
utext.h
58.08
KB
-rw-r--r--
2021-11-04 15:01
utf.h
7.87
KB
-rw-r--r--
2021-11-04 15:01
utf16.h
23.35
KB
-rw-r--r--
2021-11-04 15:01
utf32.h
763
B
-rw-r--r--
2021-11-04 15:01
utf8.h
30.83
KB
-rw-r--r--
2021-11-04 15:01
utf_old.h
45.83
KB
-rw-r--r--
2021-11-04 15:01
utmscale.h
13.78
KB
-rw-r--r--
2021-11-04 15:01
utrace.h
17.18
KB
-rw-r--r--
2021-11-04 15:01
utrans.h
25.54
KB
-rw-r--r--
2021-11-04 15:01
utypes.h
31.06
KB
-rw-r--r--
2021-11-04 15:01
uvernum.h
6.68
KB
-rw-r--r--
2021-11-04 15:01
uversion.h
5.99
KB
-rw-r--r--
2021-11-04 15:01
vtzone.h
20.8
KB
-rw-r--r--
2021-11-04 15:01
Save
Rename
// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ******************************************************************************* * * Copyright (C) 1999-2012, International Business Machines * Corporation and others. All Rights Reserved. * ******************************************************************************* * file name: utf16.h * encoding: UTF-8 * tab size: 8 (not used) * indentation:4 * * created on: 1999sep09 * created by: Markus W. Scherer */ /** * \file * \brief C API: 16-bit Unicode handling macros * * This file defines macros to deal with 16-bit Unicode (UTF-16) code units and strings. * * For more information see utf.h and the ICU User Guide Strings chapter * (https://unicode-org.github.io/icu/userguide/strings). * * <em>Usage:</em> * ICU coding guidelines for if() statements should be followed when using these macros. * Compound statements (curly braces {}) must be used for if-else-while... * bodies and all macro statements should be terminated with semicolon. */ #ifndef __UTF16_H__ #define __UTF16_H__ #include <stdbool.h> #include "unicode/umachine.h" #ifndef __UTF_H__ # include "unicode/utf.h" #endif /* single-code point definitions -------------------------------------------- */ /** * 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 U16_IS_SINGLE(c) !U_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 U16_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 U16_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 U16_IS_SURROGATE(c) U_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 U16_IS_SURROGATE_LEAD(c) (((c)&0x400)==0) /** * Assuming c is a surrogate code point (U16_IS_SURROGATE(c)), * is it a trail surrogate? * @param c 16-bit code unit * @return true or false * @stable ICU 4.2 */ #define U16_IS_SURROGATE_TRAIL(c) (((c)&0x400)!=0) /** * Helper constant for U16_GET_SUPPLEMENTARY. * @internal */ #define U16_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 U16_GET_SUPPLEMENTARY(lead, trail) \ (((UChar32)(lead)<<10UL)+(UChar32)(trail)-U16_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 U16_LEAD(supplementary) (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 U16_TRAIL(supplementary) (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 U16_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 U16_MAX_LENGTH 2 /** * Get a code point from a string at a random-access offset, * without changing the offset. * "Unsafe" macro, assumes well-formed UTF-16. * * The offset may point to either the lead or trail surrogate unit * for a supplementary code point, in which case the macro will read * the adjacent matching surrogate as well. * The result is undefined if the offset points to a single, unpaired surrogate. * Iteration through a string is more efficient with U16_NEXT_UNSAFE or U16_NEXT. * * @param s const UChar * string * @param i string offset * @param c output UChar32 variable * @see U16_GET * @stable ICU 2.4 */ #define U16_GET_UNSAFE(s, i, c) UPRV_BLOCK_MACRO_BEGIN { \ (c)=(s)[i]; \ if(U16_IS_SURROGATE(c)) { \ if(U16_IS_SURROGATE_LEAD(c)) { \ (c)=U16_GET_SUPPLEMENTARY((c), (s)[(i)+1]); \ } else { \ (c)=U16_GET_SUPPLEMENTARY((s)[(i)-1], (c)); \ } \ } \ } UPRV_BLOCK_MACRO_END /** * Get a code point from a string at a random-access offset, * without changing the offset. * "Safe" macro, handles unpaired surrogates and checks for string boundaries. * * The offset may point to either the lead or trail surrogate unit * for a supplementary code point, in which case the macro will read * the adjacent matching surrogate as well. * * The length can be negative for a NUL-terminated string. * * If the offset points to a single, unpaired surrogate, then * c is set to that unpaired surrogate. * Iteration through a string is more efficient with U16_NEXT_UNSAFE or U16_NEXT. * * @param s const UChar * string * @param start starting string offset (usually 0) * @param i string offset, must be start<=i<length * @param length string length * @param c output UChar32 variable * @see U16_GET_UNSAFE * @stable ICU 2.4 */ #define U16_GET(s, start, i, length, c) UPRV_BLOCK_MACRO_BEGIN { \ (c)=(s)[i]; \ if(U16_IS_SURROGATE(c)) { \ uint16_t __c2; \ if(U16_IS_SURROGATE_LEAD(c)) { \ if((i)+1!=(length) && U16_IS_TRAIL(__c2=(s)[(i)+1])) { \ (c)=U16_GET_SUPPLEMENTARY((c), __c2); \ } \ } else { \ if((i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \ (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \ } \ } \ } \ } UPRV_BLOCK_MACRO_END /** * Get a code point from a string at a random-access offset, * without changing the offset. * "Safe" macro, handles unpaired surrogates and checks for string boundaries. * * The offset may point to either the lead or trail surrogate unit * for a supplementary code point, in which case the macro will read * the adjacent matching surrogate as well. * * The length can be negative for a NUL-terminated string. * * If the offset points to a single, unpaired surrogate, then * c is set to U+FFFD. * Iteration through a string is more efficient with U16_NEXT_UNSAFE or U16_NEXT_OR_FFFD. * * @param s const UChar * string * @param start starting string offset (usually 0) * @param i string offset, must be start<=i<length * @param length string length * @param c output UChar32 variable * @see U16_GET_UNSAFE * @stable ICU 60 */ #define U16_GET_OR_FFFD(s, start, i, length, c) UPRV_BLOCK_MACRO_BEGIN { \ (c)=(s)[i]; \ if(U16_IS_SURROGATE(c)) { \ uint16_t __c2; \ if(U16_IS_SURROGATE_LEAD(c)) { \ if((i)+1!=(length) && U16_IS_TRAIL(__c2=(s)[(i)+1])) { \ (c)=U16_GET_SUPPLEMENTARY((c), __c2); \ } else { \ (c)=0xfffd; \ } \ } else { \ if((i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \ (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \ } else { \ (c)=0xfffd; \ } \ } \ } \ } UPRV_BLOCK_MACRO_END /* definitions with forward iteration --------------------------------------- */ /** * 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.) * "Unsafe" macro, assumes well-formed UTF-16. * * 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, then that itself * will be returned as the code point. * The result is undefined if the offset points to a single, unpaired lead surrogate. * * @param s const UChar * string * @param i string offset * @param c output UChar32 variable * @see U16_NEXT * @stable ICU 2.4 */ #define U16_NEXT_UNSAFE(s, i, c) UPRV_BLOCK_MACRO_BEGIN { \ (c)=(s)[(i)++]; \ if(U16_IS_LEAD(c)) { \ (c)=U16_GET_SUPPLEMENTARY((c), (s)[(i)++]); \ } \ } UPRV_BLOCK_MACRO_END /** * 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 length can be negative for a NUL-terminated string. * * 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 c is set to that unpaired surrogate. * * @param s const UChar * string * @param i string offset, must be i<length * @param length string length * @param c output UChar32 variable * @see U16_NEXT_UNSAFE * @stable ICU 2.4 */ #define U16_NEXT(s, i, length, c) UPRV_BLOCK_MACRO_BEGIN { \ (c)=(s)[(i)++]; \ if(U16_IS_LEAD(c)) { \ uint16_t __c2; \ if((i)!=(length) && U16_IS_TRAIL(__c2=(s)[(i)])) { \ ++(i); \ (c)=U16_GET_SUPPLEMENTARY((c), __c2); \ } \ } \ } UPRV_BLOCK_MACRO_END /** * 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 length can be negative for a NUL-terminated string. * * 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 c is set to U+FFFD. * * @param s const UChar * string * @param i string offset, must be i<length * @param length string length * @param c output UChar32 variable * @see U16_NEXT_UNSAFE * @stable ICU 60 */ #define U16_NEXT_OR_FFFD(s, i, length, c) UPRV_BLOCK_MACRO_BEGIN { \ (c)=(s)[(i)++]; \ if(U16_IS_SURROGATE(c)) { \ uint16_t __c2; \ if(U16_IS_SURROGATE_LEAD(c) && (i)!=(length) && U16_IS_TRAIL(__c2=(s)[(i)])) { \ ++(i); \ (c)=U16_GET_SUPPLEMENTARY((c), __c2); \ } else { \ (c)=0xfffd; \ } \ } \ } UPRV_BLOCK_MACRO_END /** * 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 U16_APPEND * @stable ICU 2.4 */ #define U16_APPEND_UNSAFE(s, i, c) UPRV_BLOCK_MACRO_BEGIN { \ 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); \ } \ } UPRV_BLOCK_MACRO_END /** * 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). * "Safe" macro, checks for a valid code point. * If a surrogate pair is written, checks for sufficient space in the string. * If the code point is not valid or a trail surrogate does not fit, * then isError is set to true. * * @param s const UChar * string buffer * @param i string offset, must be i<capacity * @param capacity size of the string buffer * @param c code point to append * @param isError output UBool set to true if an error occurs, otherwise not modified * @see U16_APPEND_UNSAFE * @stable ICU 2.4 */ #define U16_APPEND(s, i, capacity, c, isError) UPRV_BLOCK_MACRO_BEGIN { \ if((uint32_t)(c)<=0xffff) { \ (s)[(i)++]=(uint16_t)(c); \ } else if((uint32_t)(c)<=0x10ffff && (i)+1<(capacity)) { \ (s)[(i)++]=(uint16_t)(((c)>>10)+0xd7c0); \ (s)[(i)++]=(uint16_t)(((c)&0x3ff)|0xdc00); \ } else /* c>0x10ffff or not enough space */ { \ (isError)=true; \ } \ } UPRV_BLOCK_MACRO_END /** * Advance the string offset from one code point boundary to the next. * (Post-incrementing iteration.) * "Unsafe" macro, assumes well-formed UTF-16. * * @param s const UChar * string * @param i string offset * @see U16_FWD_1 * @stable ICU 2.4 */ #define U16_FWD_1_UNSAFE(s, i) UPRV_BLOCK_MACRO_BEGIN { \ if(U16_IS_LEAD((s)[(i)++])) { \ ++(i); \ } \ } UPRV_BLOCK_MACRO_END /** * Advance the string offset from one code point boundary to the next. * (Post-incrementing iteration.) * "Safe" macro, handles unpaired surrogates and checks for string boundaries. * * The length can be negative for a NUL-terminated string. * * @param s const UChar * string * @param i string offset, must be i<length * @param length string length * @see U16_FWD_1_UNSAFE * @stable ICU 2.4 */ #define U16_FWD_1(s, i, length) UPRV_BLOCK_MACRO_BEGIN { \ if(U16_IS_LEAD((s)[(i)++]) && (i)!=(length) && U16_IS_TRAIL((s)[i])) { \ ++(i); \ } \ } UPRV_BLOCK_MACRO_END /** * Advance the string offset from one code point boundary to the n-th next one, * i.e., move forward by n code points. * (Post-incrementing iteration.) * "Unsafe" macro, assumes well-formed UTF-16. * * @param s const UChar * string * @param i string offset * @param n number of code points to skip * @see U16_FWD_N * @stable ICU 2.4 */ #define U16_FWD_N_UNSAFE(s, i, n) UPRV_BLOCK_MACRO_BEGIN { \ int32_t __N=(n); \ while(__N>0) { \ U16_FWD_1_UNSAFE(s, i); \ --__N; \ } \ } UPRV_BLOCK_MACRO_END /** * Advance the string offset from one code point boundary to the n-th next one, * i.e., move forward by n code points. * (Post-incrementing iteration.) * "Safe" macro, handles unpaired surrogates and checks for string boundaries. * * The length can be negative for a NUL-terminated string. * * @param s const UChar * string * @param i int32_t string offset, must be i<length * @param length int32_t string length * @param n number of code points to skip * @see U16_FWD_N_UNSAFE * @stable ICU 2.4 */ #define U16_FWD_N(s, i, length, n) UPRV_BLOCK_MACRO_BEGIN { \ int32_t __N=(n); \ while(__N>0 && ((i)<(length) || ((length)<0 && (s)[i]!=0))) { \ U16_FWD_1(s, i, length); \ --__N; \ } \ } UPRV_BLOCK_MACRO_END /** * Adjust a random-access offset to a code point boundary * at the start of a code point. * If the offset points to the trail surrogate of a surrogate pair, * then the offset is decremented. * Otherwise, it is not modified. * "Unsafe" macro, assumes well-formed UTF-16. * * @param s const UChar * string * @param i string offset * @see U16_SET_CP_START * @stable ICU 2.4 */ #define U16_SET_CP_START_UNSAFE(s, i) UPRV_BLOCK_MACRO_BEGIN { \ if(U16_IS_TRAIL((s)[i])) { \ --(i); \ } \ } UPRV_BLOCK_MACRO_END /** * Adjust a random-access offset to a code point boundary * at the start of a code point. * If the offset points to the trail surrogate of a surrogate pair, * then the offset is decremented. * Otherwise, it is not modified. * "Safe" macro, handles unpaired surrogates and checks for string boundaries. * * @param s const UChar * string * @param start starting string offset (usually 0) * @param i string offset, must be start<=i * @see U16_SET_CP_START_UNSAFE * @stable ICU 2.4 */ #define U16_SET_CP_START(s, start, i) UPRV_BLOCK_MACRO_BEGIN { \ if(U16_IS_TRAIL((s)[i]) && (i)>(start) && U16_IS_LEAD((s)[(i)-1])) { \ --(i); \ } \ } UPRV_BLOCK_MACRO_END /* definitions with backward iteration -------------------------------------- */ /** * Move the string offset from one code point boundary to the previous one * and get the code point between them. * (Pre-decrementing backward iteration.) * "Unsafe" macro, assumes well-formed UTF-16. * * The input offset may be the same as the string length. * If the offset is behind a trail surrogate unit * for a supplementary code point, then the macro will read * the preceding lead surrogate as well. * If the offset is behind a lead surrogate, then that itself * will be returned as the code point. * The result is undefined if the offset is behind a single, unpaired trail surrogate. * * @param s const UChar * string * @param i string offset * @param c output UChar32 variable * @see U16_PREV * @stable ICU 2.4 */ #define U16_PREV_UNSAFE(s, i, c) UPRV_BLOCK_MACRO_BEGIN { \ (c)=(s)[--(i)]; \ if(U16_IS_TRAIL(c)) { \ (c)=U16_GET_SUPPLEMENTARY((s)[--(i)], (c)); \ } \ } UPRV_BLOCK_MACRO_END /** * Move the string offset from one code point boundary to the previous one * and get the code point between them. * (Pre-decrementing backward iteration.) * "Safe" macro, handles unpaired surrogates and checks for string boundaries. * * The input offset may be the same as the string length. * If the offset is behind a trail surrogate unit * for a supplementary code point, then the macro will read * the preceding lead surrogate as well. * If the offset is behind a lead surrogate or behind a single, unpaired * trail surrogate, then c is set to that unpaired surrogate. * * @param s const UChar * string * @param start starting string offset (usually 0) * @param i string offset, must be start<i * @param c output UChar32 variable * @see U16_PREV_UNSAFE * @stable ICU 2.4 */ #define U16_PREV(s, start, i, c) UPRV_BLOCK_MACRO_BEGIN { \ (c)=(s)[--(i)]; \ if(U16_IS_TRAIL(c)) { \ uint16_t __c2; \ if((i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \ --(i); \ (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \ } \ } \ } UPRV_BLOCK_MACRO_END /** * Move the string offset from one code point boundary to the previous one * and get the code point between them. * (Pre-decrementing backward iteration.) * "Safe" macro, handles unpaired surrogates and checks for string boundaries. * * The input offset may be the same as the string length. * If the offset is behind a trail surrogate unit * for a supplementary code point, then the macro will read * the preceding lead surrogate as well. * If the offset is behind a lead surrogate or behind a single, unpaired * trail surrogate, then c is set to U+FFFD. * * @param s const UChar * string * @param start starting string offset (usually 0) * @param i string offset, must be start<i * @param c output UChar32 variable * @see U16_PREV_UNSAFE * @stable ICU 60 */ #define U16_PREV_OR_FFFD(s, start, i, c) UPRV_BLOCK_MACRO_BEGIN { \ (c)=(s)[--(i)]; \ if(U16_IS_SURROGATE(c)) { \ uint16_t __c2; \ if(U16_IS_SURROGATE_TRAIL(c) && (i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \ --(i); \ (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \ } else { \ (c)=0xfffd; \ } \ } \ } UPRV_BLOCK_MACRO_END /** * Move the string offset from one code point boundary to the previous one. * (Pre-decrementing backward iteration.) * The input offset may be the same as the string length. * "Unsafe" macro, assumes well-formed UTF-16. * * @param s const UChar * string * @param i string offset * @see U16_BACK_1 * @stable ICU 2.4 */ #define U16_BACK_1_UNSAFE(s, i) UPRV_BLOCK_MACRO_BEGIN { \ if(U16_IS_TRAIL((s)[--(i)])) { \ --(i); \ } \ } UPRV_BLOCK_MACRO_END /** * Move the string offset from one code point boundary to the previous one. * (Pre-decrementing backward iteration.) * The input offset may be the same as the string length. * "Safe" macro, handles unpaired surrogates and checks for string boundaries. * * @param s const UChar * string * @param start starting string offset (usually 0) * @param i string offset, must be start<i * @see U16_BACK_1_UNSAFE * @stable ICU 2.4 */ #define U16_BACK_1(s, start, i) UPRV_BLOCK_MACRO_BEGIN { \ if(U16_IS_TRAIL((s)[--(i)]) && (i)>(start) && U16_IS_LEAD((s)[(i)-1])) { \ --(i); \ } \ } UPRV_BLOCK_MACRO_END /** * Move the string offset from one code point boundary to the n-th one before it, * i.e., move backward by n code points. * (Pre-decrementing backward iteration.) * The input offset may be the same as the string length. * "Unsafe" macro, assumes well-formed UTF-16. * * @param s const UChar * string * @param i string offset * @param n number of code points to skip * @see U16_BACK_N * @stable ICU 2.4 */ #define U16_BACK_N_UNSAFE(s, i, n) UPRV_BLOCK_MACRO_BEGIN { \ int32_t __N=(n); \ while(__N>0) { \ U16_BACK_1_UNSAFE(s, i); \ --__N; \ } \ } UPRV_BLOCK_MACRO_END /** * Move the string offset from one code point boundary to the n-th one before it, * i.e., move backward by n code points. * (Pre-decrementing backward iteration.) * The input offset may be the same as the string length. * "Safe" macro, handles unpaired surrogates and checks for string boundaries. * * @param s const UChar * string * @param start start of string * @param i string offset, must be start<i * @param n number of code points to skip * @see U16_BACK_N_UNSAFE * @stable ICU 2.4 */ #define U16_BACK_N(s, start, i, n) UPRV_BLOCK_MACRO_BEGIN { \ int32_t __N=(n); \ while(__N>0 && (i)>(start)) { \ U16_BACK_1(s, start, i); \ --__N; \ } \ } UPRV_BLOCK_MACRO_END /** * Adjust a random-access offset to a code point boundary after a code point. * If the offset is behind the lead surrogate of a surrogate pair, * then the offset is incremented. * Otherwise, it is not modified. * The input offset may be the same as the string length. * "Unsafe" macro, assumes well-formed UTF-16. * * @param s const UChar * string * @param i string offset * @see U16_SET_CP_LIMIT * @stable ICU 2.4 */ #define U16_SET_CP_LIMIT_UNSAFE(s, i) UPRV_BLOCK_MACRO_BEGIN { \ if(U16_IS_LEAD((s)[(i)-1])) { \ ++(i); \ } \ } UPRV_BLOCK_MACRO_END /** * Adjust a random-access offset to a code point boundary after a code point. * If the offset is behind the lead surrogate of a surrogate pair, * then the offset is incremented. * Otherwise, it is not modified. * The input offset may be the same as the string length. * "Safe" macro, handles unpaired surrogates and checks for string boundaries. * * The length can be negative for a NUL-terminated string. * * @param s const UChar * string * @param start int32_t starting string offset (usually 0) * @param i int32_t string offset, start<=i<=length * @param length int32_t string length * @see U16_SET_CP_LIMIT_UNSAFE * @stable ICU 2.4 */ #define U16_SET_CP_LIMIT(s, start, i, length) UPRV_BLOCK_MACRO_BEGIN { \ if((start)<(i) && ((i)<(length) || (length)<0) && U16_IS_LEAD((s)[(i)-1]) && U16_IS_TRAIL((s)[i])) { \ ++(i); \ } \ } UPRV_BLOCK_MACRO_END #endif