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10/28/2024 06:50:42 AM
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alphaindex.h
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appendable.h
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basictz.h
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brkiter.h
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bytestream.h
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bytestrie.h
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bytestriebuilder.h
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calendar.h
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caniter.h
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casemap.h
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char16ptr.h
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chariter.h
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choicfmt.h
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coleitr.h
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coll.h
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compactdecimalformat.h
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curramt.h
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currpinf.h
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currunit.h
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datefmt.h
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dbbi.h
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dcfmtsym.h
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decimfmt.h
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docmain.h
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dtfmtsym.h
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dtintrv.h
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dtitvfmt.h
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dtitvinf.h
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dtptngen.h
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dtrule.h
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edits.h
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enumset.h
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errorcode.h
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fieldpos.h
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filteredbrk.h
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fmtable.h
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format.h
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fpositer.h
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gender.h
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gregocal.h
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icudataver.h
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icuplug.h
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idna.h
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listformatter.h
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localpointer.h
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locdspnm.h
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locid.h
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measfmt.h
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measunit.h
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measure.h
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messagepattern.h
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msgfmt.h
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normalizer2.h
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normlzr.h
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nounit.h
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numberformatter.h
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numfmt.h
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numsys.h
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parseerr.h
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parsepos.h
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platform.h
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plurfmt.h
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plurrule.h
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ptypes.h
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putil.h
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rbbi.h
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rbnf.h
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rbtz.h
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regex.h
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region.h
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reldatefmt.h
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rep.h
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resbund.h
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schriter.h
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scientificnumberformatter.h
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search.h
22.21 KB
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selfmt.h
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simpleformatter.h
11.43 KB
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simpletz.h
45.24 KB
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smpdtfmt.h
70.09 KB
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sortkey.h
11.12 KB
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std_string.h
1015 bytes
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strenum.h
10.04 KB
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stringoptions.h
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stringpiece.h
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stringtriebuilder.h
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stsearch.h
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symtable.h
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tblcoll.h
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timezone.h
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tmunit.h
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tmutamt.h
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tmutfmt.h
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translit.h
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tzfmt.h
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tznames.h
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tzrule.h
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tztrans.h
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ubidi.h
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ubiditransform.h
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ubrk.h
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ucal.h
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ucasemap.h
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ucat.h
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uchar.h
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ucharstrie.h
21.06 KB
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ucharstriebuilder.h
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uchriter.h
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uclean.h
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ucnv.h
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ucnv_cb.h
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ucnv_err.h
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ucnvsel.h
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ucol.h
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ucoleitr.h
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uconfig.h
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ucsdet.h
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ucurr.h
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udat.h
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udata.h
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udateintervalformat.h
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udatpg.h
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udisplaycontext.h
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uenum.h
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ufieldpositer.h
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uformattable.h
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ugender.h
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uidna.h
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uiter.h
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uldnames.h
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ulistformatter.h
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uloc.h
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ulocdata.h
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umachine.h
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umisc.h
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umsg.h
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unifilt.h
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unifunct.h
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unimatch.h
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unirepl.h
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uniset.h
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unistr.h
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unorm.h
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unorm2.h
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unum.h
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unumsys.h
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uobject.h
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upluralrules.h
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uregex.h
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uregion.h
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ureldatefmt.h
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urename.h
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urep.h
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ures.h
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uscript.h
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usearch.h
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uset.h
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usetiter.h
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ushape.h
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uspoof.h
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usprep.h
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ustdio.h
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ustream.h
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ustring.h
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ustringtrie.h
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utext.h
58.11 KB
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utf.h
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utf16.h
22.49 KB
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utf32.h
763 bytes
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utf8.h
28.16 KB
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utf_old.h
43.78 KB
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utmscale.h
13.78 KB
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utrace.h
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utrans.h
25.53 KB
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utypes.h
29.92 KB
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uvernum.h
5.69 KB
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uversion.h
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vtzone.h
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Editing: uidna.h
Close
// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ******************************************************************************* * * Copyright (C) 2003-2014, International Business Machines * Corporation and others. All Rights Reserved. * ******************************************************************************* * file name: uidna.h * encoding: UTF-8 * tab size: 8 (not used) * indentation:4 * * created on: 2003feb1 * created by: Ram Viswanadha */ #ifndef __UIDNA_H__ #define __UIDNA_H__ #include "unicode/utypes.h" #if !UCONFIG_NO_IDNA #include "unicode/localpointer.h" #include "unicode/parseerr.h" /** * \file * \brief C API: Internationalizing Domain Names in Applications (IDNA) * * IDNA2008 is implemented according to UTS #46, see the IDNA C++ class in idna.h. * * The C API functions which do take a UIDNA * service object pointer * implement UTS #46 and IDNA2008. * * IDNA2003 is obsolete. * The C API functions which do not take a service object pointer * implement IDNA2003. They are all deprecated. */ /* * IDNA option bit set values. */ enum { /** * Default options value: None of the other options are set. * For use in static worker and factory methods. * @stable ICU 2.6 */ UIDNA_DEFAULT=0, #ifndef U_HIDE_DEPRECATED_API /** * Option to allow unassigned code points in domain names and labels. * For use in static worker and factory methods. * <p>This option is ignored by the UTS46 implementation. * (UTS #46 disallows unassigned code points.) * @deprecated ICU 55 Use UTS #46 instead via uidna_openUTS46() or class IDNA. */ UIDNA_ALLOW_UNASSIGNED=1, #endif /* U_HIDE_DEPRECATED_API */ /** * Option to check whether the input conforms to the STD3 ASCII rules, * for example the restriction of labels to LDH characters * (ASCII Letters, Digits and Hyphen-Minus). * For use in static worker and factory methods. * @stable ICU 2.6 */ UIDNA_USE_STD3_RULES=2, /** * IDNA option to check for whether the input conforms to the BiDi rules. * For use in static worker and factory methods. * <p>This option is ignored by the IDNA2003 implementation. * (IDNA2003 always performs a BiDi check.) * @stable ICU 4.6 */ UIDNA_CHECK_BIDI=4, /** * IDNA option to check for whether the input conforms to the CONTEXTJ rules. * For use in static worker and factory methods. * <p>This option is ignored by the IDNA2003 implementation. * (The CONTEXTJ check is new in IDNA2008.) * @stable ICU 4.6 */ UIDNA_CHECK_CONTEXTJ=8, /** * IDNA option for nontransitional processing in ToASCII(). * For use in static worker and factory methods. * <p>By default, ToASCII() uses transitional processing. * <p>This option is ignored by the IDNA2003 implementation. * (This is only relevant for compatibility of newer IDNA implementations with IDNA2003.) * @stable ICU 4.6 */ UIDNA_NONTRANSITIONAL_TO_ASCII=0x10, /** * IDNA option for nontransitional processing in ToUnicode(). * For use in static worker and factory methods. * <p>By default, ToUnicode() uses transitional processing. * <p>This option is ignored by the IDNA2003 implementation. * (This is only relevant for compatibility of newer IDNA implementations with IDNA2003.) * @stable ICU 4.6 */ UIDNA_NONTRANSITIONAL_TO_UNICODE=0x20, /** * IDNA option to check for whether the input conforms to the CONTEXTO rules. * For use in static worker and factory methods. * <p>This option is ignored by the IDNA2003 implementation. * (The CONTEXTO check is new in IDNA2008.) * <p>This is for use by registries for IDNA2008 conformance. * UTS #46 does not require the CONTEXTO check. * @stable ICU 49 */ UIDNA_CHECK_CONTEXTO=0x40 }; /** * Opaque C service object type for the new IDNA API. * @stable ICU 4.6 */ struct UIDNA; typedef struct UIDNA UIDNA; /**< C typedef for struct UIDNA. @stable ICU 4.6 */ /** * Returns a UIDNA instance which implements UTS #46. * Returns an unmodifiable instance, owned by the caller. * Cache it for multiple operations, and uidna_close() it when done. * The instance is thread-safe, that is, it can be used concurrently. * * For details about the UTS #46 implementation see the IDNA C++ class in idna.h. * * @param options Bit set to modify the processing and error checking. * See option bit set values in uidna.h. * @param pErrorCode Standard ICU error code. Its input value must * pass the U_SUCCESS() test, or else the function returns * immediately. Check for U_FAILURE() on output or use with * function chaining. (See User Guide for details.) * @return the UTS #46 UIDNA instance, if successful * @stable ICU 4.6 */ U_STABLE UIDNA * U_EXPORT2 uidna_openUTS46(uint32_t options, UErrorCode *pErrorCode); /** * Closes a UIDNA instance. * @param idna UIDNA instance to be closed * @stable ICU 4.6 */ U_STABLE void U_EXPORT2 uidna_close(UIDNA *idna); #if U_SHOW_CPLUSPLUS_API U_NAMESPACE_BEGIN /** * \class LocalUIDNAPointer * "Smart pointer" class, closes a UIDNA via uidna_close(). * For most methods see the LocalPointerBase base class. * * @see LocalPointerBase * @see LocalPointer * @stable ICU 4.6 */ U_DEFINE_LOCAL_OPEN_POINTER(LocalUIDNAPointer, UIDNA, uidna_close); U_NAMESPACE_END #endif /** * Output container for IDNA processing errors. * Initialize with UIDNA_INFO_INITIALIZER: * \code * UIDNAInfo info = UIDNA_INFO_INITIALIZER; * int32_t length = uidna_nameToASCII(..., &info, &errorCode); * if(U_SUCCESS(errorCode) && info.errors!=0) { ... } * \endcode * @stable ICU 4.6 */ typedef struct UIDNAInfo { /** sizeof(UIDNAInfo) @stable ICU 4.6 */ int16_t size; /** * Set to TRUE if transitional and nontransitional processing produce different results. * For details see C++ IDNAInfo::isTransitionalDifferent(). * @stable ICU 4.6 */ UBool isTransitionalDifferent; UBool reservedB3; /**< Reserved field, do not use. @internal */ /** * Bit set indicating IDNA processing errors. 0 if no errors. * See UIDNA_ERROR_... constants. * @stable ICU 4.6 */ uint32_t errors; int32_t reservedI2; /**< Reserved field, do not use. @internal */ int32_t reservedI3; /**< Reserved field, do not use. @internal */ } UIDNAInfo; /** * Static initializer for a UIDNAInfo struct. * @stable ICU 4.6 */ #define UIDNA_INFO_INITIALIZER { \ (int16_t)sizeof(UIDNAInfo), \ FALSE, FALSE, \ 0, 0, 0 } /** * Converts a single domain name label into its ASCII form for DNS lookup. * If any processing step fails, then pInfo->errors will be non-zero and * the result might not be an ASCII string. * The label might be modified according to the types of errors. * Labels with severe errors will be left in (or turned into) their Unicode form. * * The UErrorCode indicates an error only in exceptional cases, * such as a U_MEMORY_ALLOCATION_ERROR. * * @param idna UIDNA instance * @param label Input domain name label * @param length Label length, or -1 if NUL-terminated * @param dest Destination string buffer * @param capacity Destination buffer capacity * @param pInfo Output container of IDNA processing details. * @param pErrorCode Standard ICU error code. Its input value must * pass the U_SUCCESS() test, or else the function returns * immediately. Check for U_FAILURE() on output or use with * function chaining. (See User Guide for details.) * @return destination string length * @stable ICU 4.6 */ U_STABLE int32_t U_EXPORT2 uidna_labelToASCII(const UIDNA *idna, const UChar *label, int32_t length, UChar *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode); /** * Converts a single domain name label into its Unicode form for human-readable display. * If any processing step fails, then pInfo->errors will be non-zero. * The label might be modified according to the types of errors. * * The UErrorCode indicates an error only in exceptional cases, * such as a U_MEMORY_ALLOCATION_ERROR. * * @param idna UIDNA instance * @param label Input domain name label * @param length Label length, or -1 if NUL-terminated * @param dest Destination string buffer * @param capacity Destination buffer capacity * @param pInfo Output container of IDNA processing details. * @param pErrorCode Standard ICU error code. Its input value must * pass the U_SUCCESS() test, or else the function returns * immediately. Check for U_FAILURE() on output or use with * function chaining. (See User Guide for details.) * @return destination string length * @stable ICU 4.6 */ U_STABLE int32_t U_EXPORT2 uidna_labelToUnicode(const UIDNA *idna, const UChar *label, int32_t length, UChar *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode); /** * Converts a whole domain name into its ASCII form for DNS lookup. * If any processing step fails, then pInfo->errors will be non-zero and * the result might not be an ASCII string. * The domain name might be modified according to the types of errors. * Labels with severe errors will be left in (or turned into) their Unicode form. * * The UErrorCode indicates an error only in exceptional cases, * such as a U_MEMORY_ALLOCATION_ERROR. * * @param idna UIDNA instance * @param name Input domain name * @param length Domain name length, or -1 if NUL-terminated * @param dest Destination string buffer * @param capacity Destination buffer capacity * @param pInfo Output container of IDNA processing details. * @param pErrorCode Standard ICU error code. Its input value must * pass the U_SUCCESS() test, or else the function returns * immediately. Check for U_FAILURE() on output or use with * function chaining. (See User Guide for details.) * @return destination string length * @stable ICU 4.6 */ U_STABLE int32_t U_EXPORT2 uidna_nameToASCII(const UIDNA *idna, const UChar *name, int32_t length, UChar *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode); /** * Converts a whole domain name into its Unicode form for human-readable display. * If any processing step fails, then pInfo->errors will be non-zero. * The domain name might be modified according to the types of errors. * * The UErrorCode indicates an error only in exceptional cases, * such as a U_MEMORY_ALLOCATION_ERROR. * * @param idna UIDNA instance * @param name Input domain name * @param length Domain name length, or -1 if NUL-terminated * @param dest Destination string buffer * @param capacity Destination buffer capacity * @param pInfo Output container of IDNA processing details. * @param pErrorCode Standard ICU error code. Its input value must * pass the U_SUCCESS() test, or else the function returns * immediately. Check for U_FAILURE() on output or use with * function chaining. (See User Guide for details.) * @return destination string length * @stable ICU 4.6 */ U_STABLE int32_t U_EXPORT2 uidna_nameToUnicode(const UIDNA *idna, const UChar *name, int32_t length, UChar *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode); /* UTF-8 versions of the processing methods --------------------------------- */ /** * Converts a single domain name label into its ASCII form for DNS lookup. * UTF-8 version of uidna_labelToASCII(), same behavior. * * @param idna UIDNA instance * @param label Input domain name label * @param length Label length, or -1 if NUL-terminated * @param dest Destination string buffer * @param capacity Destination buffer capacity * @param pInfo Output container of IDNA processing details. * @param pErrorCode Standard ICU error code. Its input value must * pass the U_SUCCESS() test, or else the function returns * immediately. Check for U_FAILURE() on output or use with * function chaining. (See User Guide for details.) * @return destination string length * @stable ICU 4.6 */ U_STABLE int32_t U_EXPORT2 uidna_labelToASCII_UTF8(const UIDNA *idna, const char *label, int32_t length, char *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode); /** * Converts a single domain name label into its Unicode form for human-readable display. * UTF-8 version of uidna_labelToUnicode(), same behavior. * * @param idna UIDNA instance * @param label Input domain name label * @param length Label length, or -1 if NUL-terminated * @param dest Destination string buffer * @param capacity Destination buffer capacity * @param pInfo Output container of IDNA processing details. * @param pErrorCode Standard ICU error code. Its input value must * pass the U_SUCCESS() test, or else the function returns * immediately. Check for U_FAILURE() on output or use with * function chaining. (See User Guide for details.) * @return destination string length * @stable ICU 4.6 */ U_STABLE int32_t U_EXPORT2 uidna_labelToUnicodeUTF8(const UIDNA *idna, const char *label, int32_t length, char *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode); /** * Converts a whole domain name into its ASCII form for DNS lookup. * UTF-8 version of uidna_nameToASCII(), same behavior. * * @param idna UIDNA instance * @param name Input domain name * @param length Domain name length, or -1 if NUL-terminated * @param dest Destination string buffer * @param capacity Destination buffer capacity * @param pInfo Output container of IDNA processing details. * @param pErrorCode Standard ICU error code. Its input value must * pass the U_SUCCESS() test, or else the function returns * immediately. Check for U_FAILURE() on output or use with * function chaining. (See User Guide for details.) * @return destination string length * @stable ICU 4.6 */ U_STABLE int32_t U_EXPORT2 uidna_nameToASCII_UTF8(const UIDNA *idna, const char *name, int32_t length, char *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode); /** * Converts a whole domain name into its Unicode form for human-readable display. * UTF-8 version of uidna_nameToUnicode(), same behavior. * * @param idna UIDNA instance * @param name Input domain name * @param length Domain name length, or -1 if NUL-terminated * @param dest Destination string buffer * @param capacity Destination buffer capacity * @param pInfo Output container of IDNA processing details. * @param pErrorCode Standard ICU error code. Its input value must * pass the U_SUCCESS() test, or else the function returns * immediately. Check for U_FAILURE() on output or use with * function chaining. (See User Guide for details.) * @return destination string length * @stable ICU 4.6 */ U_STABLE int32_t U_EXPORT2 uidna_nameToUnicodeUTF8(const UIDNA *idna, const char *name, int32_t length, char *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode); /* * IDNA error bit set values. * When a domain name or label fails a processing step or does not meet the * validity criteria, then one or more of these error bits are set. */ enum { /** * A non-final domain name label (or the whole domain name) is empty. * @stable ICU 4.6 */ UIDNA_ERROR_EMPTY_LABEL=1, /** * A domain name label is longer than 63 bytes. * (See STD13/RFC1034 3.1. Name space specifications and terminology.) * This is only checked in ToASCII operations, and only if the output label is all-ASCII. * @stable ICU 4.6 */ UIDNA_ERROR_LABEL_TOO_LONG=2, /** * A domain name is longer than 255 bytes in its storage form. * (See STD13/RFC1034 3.1. Name space specifications and terminology.) * This is only checked in ToASCII operations, and only if the output domain name is all-ASCII. * @stable ICU 4.6 */ UIDNA_ERROR_DOMAIN_NAME_TOO_LONG=4, /** * A label starts with a hyphen-minus ('-'). * @stable ICU 4.6 */ UIDNA_ERROR_LEADING_HYPHEN=8, /** * A label ends with a hyphen-minus ('-'). * @stable ICU 4.6 */ UIDNA_ERROR_TRAILING_HYPHEN=0x10, /** * A label contains hyphen-minus ('-') in the third and fourth positions. * @stable ICU 4.6 */ UIDNA_ERROR_HYPHEN_3_4=0x20, /** * A label starts with a combining mark. * @stable ICU 4.6 */ UIDNA_ERROR_LEADING_COMBINING_MARK=0x40, /** * A label or domain name contains disallowed characters. * @stable ICU 4.6 */ UIDNA_ERROR_DISALLOWED=0x80, /** * A label starts with "xn--" but does not contain valid Punycode. * That is, an xn-- label failed Punycode decoding. * @stable ICU 4.6 */ UIDNA_ERROR_PUNYCODE=0x100, /** * A label contains a dot=full stop. * This can occur in an input string for a single-label function. * @stable ICU 4.6 */ UIDNA_ERROR_LABEL_HAS_DOT=0x200, /** * An ACE label does not contain a valid label string. * The label was successfully ACE (Punycode) decoded but the resulting * string had severe validation errors. For example, * it might contain characters that are not allowed in ACE labels, * or it might not be normalized. * @stable ICU 4.6 */ UIDNA_ERROR_INVALID_ACE_LABEL=0x400, /** * A label does not meet the IDNA BiDi requirements (for right-to-left characters). * @stable ICU 4.6 */ UIDNA_ERROR_BIDI=0x800, /** * A label does not meet the IDNA CONTEXTJ requirements. * @stable ICU 4.6 */ UIDNA_ERROR_CONTEXTJ=0x1000, /** * A label does not meet the IDNA CONTEXTO requirements for punctuation characters. * Some punctuation characters "Would otherwise have been DISALLOWED" * but are allowed in certain contexts. (RFC 5892) * @stable ICU 49 */ UIDNA_ERROR_CONTEXTO_PUNCTUATION=0x2000, /** * A label does not meet the IDNA CONTEXTO requirements for digits. * Arabic-Indic Digits (U+066x) must not be mixed with Extended Arabic-Indic Digits (U+06Fx). * @stable ICU 49 */ UIDNA_ERROR_CONTEXTO_DIGITS=0x4000 }; #ifndef U_HIDE_DEPRECATED_API /* IDNA2003 API ------------------------------------------------------------- */ /** * IDNA2003: This function implements the ToASCII operation as defined in the IDNA RFC. * This operation is done on <b>single labels</b> before sending it to something that expects * ASCII names. A label is an individual part of a domain name. Labels are usually * separated by dots; e.g. "www.example.com" is composed of 3 labels "www","example", and "com". * * IDNA2003 API Overview: * * The uidna_ API implements the IDNA protocol as defined in the IDNA RFC * (http://www.ietf.org/rfc/rfc3490.txt). * The RFC defines 2 operations: ToASCII and ToUnicode. Domain name labels * containing non-ASCII code points are processed by the * ToASCII operation before passing it to resolver libraries. Domain names * that are obtained from resolver libraries are processed by the * ToUnicode operation before displaying the domain name to the user. * IDNA requires that implementations process input strings with Nameprep * (http://www.ietf.org/rfc/rfc3491.txt), * which is a profile of Stringprep (http://www.ietf.org/rfc/rfc3454.txt), * and then with Punycode (http://www.ietf.org/rfc/rfc3492.txt). * Implementations of IDNA MUST fully implement Nameprep and Punycode; * neither Nameprep nor Punycode are optional. * The input and output of ToASCII and ToUnicode operations are Unicode * and are designed to be chainable, i.e., applying ToASCII or ToUnicode operations * multiple times to an input string will yield the same result as applying the operation * once. * ToUnicode(ToUnicode(ToUnicode...(ToUnicode(string)))) == ToUnicode(string) * ToASCII(ToASCII(ToASCII...(ToASCII(string))) == ToASCII(string). * * @param src Input UChar array containing label in Unicode. * @param srcLength Number of UChars in src, or -1 if NUL-terminated. * @param dest Output UChar array with ASCII (ACE encoded) label. * @param destCapacity Size of dest. * @param options A bit set of options: * * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points * and do not use STD3 ASCII rules * If unassigned code points are found the operation fails with * U_UNASSIGNED_ERROR error code. * * - UIDNA_ALLOW_UNASSIGNED Unassigned values can be converted to ASCII for query operations * If this option is set, the unassigned code points are in the input * are treated as normal Unicode code points. * * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions * If this option is set and the input does not satisfy STD3 rules, * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR * * @param parseError Pointer to UParseError struct to receive information on position * of error if an error is encountered. Can be NULL. * @param status ICU in/out error code parameter. * U_INVALID_CHAR_FOUND if src contains * unmatched single surrogates. * U_INDEX_OUTOFBOUNDS_ERROR if src contains * too many code points. * U_BUFFER_OVERFLOW_ERROR if destCapacity is not enough * @return The length of the result string, if successful - or in case of a buffer overflow, * in which case it will be greater than destCapacity. * @deprecated ICU 55 Use UTS #46 instead via uidna_openUTS46() or class IDNA. */ U_DEPRECATED int32_t U_EXPORT2 uidna_toASCII(const UChar* src, int32_t srcLength, UChar* dest, int32_t destCapacity, int32_t options, UParseError* parseError, UErrorCode* status); /** * IDNA2003: This function implements the ToUnicode operation as defined in the IDNA RFC. * This operation is done on <b>single labels</b> before sending it to something that expects * Unicode names. A label is an individual part of a domain name. Labels are usually * separated by dots; for e.g. "www.example.com" is composed of 3 labels "www","example", and "com". * * @param src Input UChar array containing ASCII (ACE encoded) label. * @param srcLength Number of UChars in src, or -1 if NUL-terminated. * @param dest Output Converted UChar array containing Unicode equivalent of label. * @param destCapacity Size of dest. * @param options A bit set of options: * * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points * and do not use STD3 ASCII rules * If unassigned code points are found the operation fails with * U_UNASSIGNED_ERROR error code. * * - UIDNA_ALLOW_UNASSIGNED Unassigned values can be converted to ASCII for query operations * If this option is set, the unassigned code points are in the input * are treated as normal Unicode code points. <b> Note: </b> This option is * required on toUnicode operation because the RFC mandates * verification of decoded ACE input by applying toASCII and comparing * its output with source * * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions * If this option is set and the input does not satisfy STD3 rules, * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR * * @param parseError Pointer to UParseError struct to receive information on position * of error if an error is encountered. Can be NULL. * @param status ICU in/out error code parameter. * U_INVALID_CHAR_FOUND if src contains * unmatched single surrogates. * U_INDEX_OUTOFBOUNDS_ERROR if src contains * too many code points. * U_BUFFER_OVERFLOW_ERROR if destCapacity is not enough * @return The length of the result string, if successful - or in case of a buffer overflow, * in which case it will be greater than destCapacity. * @deprecated ICU 55 Use UTS #46 instead via uidna_openUTS46() or class IDNA. */ U_DEPRECATED int32_t U_EXPORT2 uidna_toUnicode(const UChar* src, int32_t srcLength, UChar* dest, int32_t destCapacity, int32_t options, UParseError* parseError, UErrorCode* status); /** * IDNA2003: Convenience function that implements the IDNToASCII operation as defined in the IDNA RFC. * This operation is done on complete domain names, e.g: "www.example.com". * It is important to note that this operation can fail. If it fails, then the input * domain name cannot be used as an Internationalized Domain Name and the application * should have methods defined to deal with the failure. * * <b>Note:</b> IDNA RFC specifies that a conformant application should divide a domain name * into separate labels, decide whether to apply allowUnassigned and useSTD3ASCIIRules on each, * and then convert. This function does not offer that level of granularity. The options once * set will apply to all labels in the domain name * * @param src Input UChar array containing IDN in Unicode. * @param srcLength Number of UChars in src, or -1 if NUL-terminated. * @param dest Output UChar array with ASCII (ACE encoded) IDN. * @param destCapacity Size of dest. * @param options A bit set of options: * * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points * and do not use STD3 ASCII rules * If unassigned code points are found the operation fails with * U_UNASSIGNED_CODE_POINT_FOUND error code. * * - UIDNA_ALLOW_UNASSIGNED Unassigned values can be converted to ASCII for query operations * If this option is set, the unassigned code points are in the input * are treated as normal Unicode code points. * * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions * If this option is set and the input does not satisfy STD3 rules, * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR * * @param parseError Pointer to UParseError struct to receive information on position * of error if an error is encountered. Can be NULL. * @param status ICU in/out error code parameter. * U_INVALID_CHAR_FOUND if src contains * unmatched single surrogates. * U_INDEX_OUTOFBOUNDS_ERROR if src contains * too many code points. * U_BUFFER_OVERFLOW_ERROR if destCapacity is not enough * @return The length of the result string, if successful - or in case of a buffer overflow, * in which case it will be greater than destCapacity. * @deprecated ICU 55 Use UTS #46 instead via uidna_openUTS46() or class IDNA. */ U_DEPRECATED int32_t U_EXPORT2 uidna_IDNToASCII( const UChar* src, int32_t srcLength, UChar* dest, int32_t destCapacity, int32_t options, UParseError* parseError, UErrorCode* status); /** * IDNA2003: Convenience function that implements the IDNToUnicode operation as defined in the IDNA RFC. * This operation is done on complete domain names, e.g: "www.example.com". * * <b>Note:</b> IDNA RFC specifies that a conformant application should divide a domain name * into separate labels, decide whether to apply allowUnassigned and useSTD3ASCIIRules on each, * and then convert. This function does not offer that level of granularity. The options once * set will apply to all labels in the domain name * * @param src Input UChar array containing IDN in ASCII (ACE encoded) form. * @param srcLength Number of UChars in src, or -1 if NUL-terminated. * @param dest Output UChar array containing Unicode equivalent of source IDN. * @param destCapacity Size of dest. * @param options A bit set of options: * * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points * and do not use STD3 ASCII rules * If unassigned code points are found the operation fails with * U_UNASSIGNED_CODE_POINT_FOUND error code. * * - UIDNA_ALLOW_UNASSIGNED Unassigned values can be converted to ASCII for query operations * If this option is set, the unassigned code points are in the input * are treated as normal Unicode code points. * * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions * If this option is set and the input does not satisfy STD3 rules, * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR * * @param parseError Pointer to UParseError struct to receive information on position * of error if an error is encountered. Can be NULL. * @param status ICU in/out error code parameter. * U_INVALID_CHAR_FOUND if src contains * unmatched single surrogates. * U_INDEX_OUTOFBOUNDS_ERROR if src contains * too many code points. * U_BUFFER_OVERFLOW_ERROR if destCapacity is not enough * @return The length of the result string, if successful - or in case of a buffer overflow, * in which case it will be greater than destCapacity. * @deprecated ICU 55 Use UTS #46 instead via uidna_openUTS46() or class IDNA. */ U_DEPRECATED int32_t U_EXPORT2 uidna_IDNToUnicode( const UChar* src, int32_t srcLength, UChar* dest, int32_t destCapacity, int32_t options, UParseError* parseError, UErrorCode* status); /** * IDNA2003: Compare two IDN strings for equivalence. * This function splits the domain names into labels and compares them. * According to IDN RFC, whenever two labels are compared, they are * considered equal if and only if their ASCII forms (obtained by * applying toASCII) match using an case-insensitive ASCII comparison. * Two domain names are considered a match if and only if all labels * match regardless of whether label separators match. * * @param s1 First source string. * @param length1 Length of first source string, or -1 if NUL-terminated. * * @param s2 Second source string. * @param length2 Length of second source string, or -1 if NUL-terminated. * @param options A bit set of options: * * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points * and do not use STD3 ASCII rules * If unassigned code points are found the operation fails with * U_UNASSIGNED_CODE_POINT_FOUND error code. * * - UIDNA_ALLOW_UNASSIGNED Unassigned values can be converted to ASCII for query operations * If this option is set, the unassigned code points are in the input * are treated as normal Unicode code points. * * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions * If this option is set and the input does not satisfy STD3 rules, * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR * * @param status ICU error code in/out parameter. * Must fulfill U_SUCCESS before the function call. * @return <0 or 0 or >0 as usual for string comparisons * @deprecated ICU 55 Use UTS #46 instead via uidna_openUTS46() or class IDNA. */ U_DEPRECATED int32_t U_EXPORT2 uidna_compare( const UChar *s1, int32_t length1, const UChar *s2, int32_t length2, int32_t options, UErrorCode* status); #endif /* U_HIDE_DEPRECATED_API */ #endif /* #if !UCONFIG_NO_IDNA */ #endif