16f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* 26f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org******************************************************************************* 36f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* Copyright (C) 2010-2012, International Business Machines 46f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* Corporation and others. All Rights Reserved. 56f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org******************************************************************************* 66f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* file name: uts46.cpp 76f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* encoding: US-ASCII 86f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* tab size: 8 (not used) 96f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* indentation:4 106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* 116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* created on: 2010mar09 126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* created by: Markus W. Scherer 136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org*/ 146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/utypes.h" 166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#if !UCONFIG_NO_IDNA 186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/idna.h" 206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/normalizer2.h" 216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/uscript.h" 226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/ustring.h" 236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/utf16.h" 246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "cmemory.h" 256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "cstring.h" 266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "punycode.h" 276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "ubidi_props.h" 286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "ustr_imp.h" 296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0])) 316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Note about tests for UIDNA_ERROR_DOMAIN_NAME_TOO_LONG: 336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// 346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// The domain name length limit is 255 octets in an internal DNS representation 356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// where the last ("root") label is the empty label 366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// represented by length byte 0 alone. 376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// In a conventional string, this translates to 253 characters, or 254 386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// if there is a trailing dot for the root label. 396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_NAMESPACE_BEGIN 416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Severe errors which usually result in a U+FFFD replacement character in the result string. 436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t severeErrors= 446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNA_ERROR_LEADING_COMBINING_MARK| 456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNA_ERROR_DISALLOWED| 466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNA_ERROR_PUNYCODE| 476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNA_ERROR_LABEL_HAS_DOT| 486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNA_ERROR_INVALID_ACE_LABEL; 496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic inline UBool 516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgisASCIIString(const UnicodeString &dest) { 526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *s=dest.getBuffer(); 536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *limit=s+dest.length(); 546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org while(s<limit) { 556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(*s++>0x7f) { 566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return TRUE; 606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UBool 636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgisASCIIOkBiDi(const UChar *s, int32_t length); 646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UBool 666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgisASCIIOkBiDi(const char *s, int32_t length); 676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// IDNA class default implementations -------------------------------------- *** 696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgIDNA::~IDNA() {} 716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgIDNA::labelToASCII_UTF8(const StringPiece &label, ByteSink &dest, 746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString destString; 776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelToASCII(UnicodeString::fromUTF8(label), destString, 786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info, errorCode).toUTF8(dest); 796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgIDNA::labelToUnicodeUTF8(const StringPiece &label, ByteSink &dest, 846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString destString; 876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelToUnicode(UnicodeString::fromUTF8(label), destString, 886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info, errorCode).toUTF8(dest); 896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgIDNA::nameToASCII_UTF8(const StringPiece &name, ByteSink &dest, 946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString destString; 976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org nameToASCII(UnicodeString::fromUTF8(name), destString, 986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info, errorCode).toUTF8(dest); 996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 1016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 1036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgIDNA::nameToUnicodeUTF8(const StringPiece &name, ByteSink &dest, 1046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 1056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 1066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString destString; 1076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org nameToUnicode(UnicodeString::fromUTF8(name), destString, 1086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info, errorCode).toUTF8(dest); 1096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 1116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// UTS46 class declaration ------------------------------------------------- *** 1136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgclass UTS46 : public IDNA { 1156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgpublic: 1166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UTS46(uint32_t options, UErrorCode &errorCode); 1176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org virtual ~UTS46(); 1186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org virtual UnicodeString & 1206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelToASCII(const UnicodeString &label, UnicodeString &dest, 1216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org virtual UnicodeString & 1246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelToUnicode(const UnicodeString &label, UnicodeString &dest, 1256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org virtual UnicodeString & 1286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org nameToASCII(const UnicodeString &name, UnicodeString &dest, 1296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org virtual UnicodeString & 1326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org nameToUnicode(const UnicodeString &name, UnicodeString &dest, 1336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org virtual void 1366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelToASCII_UTF8(const StringPiece &label, ByteSink &dest, 1376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org virtual void 1406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelToUnicodeUTF8(const StringPiece &label, ByteSink &dest, 1416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org virtual void 1446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org nameToASCII_UTF8(const StringPiece &name, ByteSink &dest, 1456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org virtual void 1486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org nameToUnicodeUTF8(const StringPiece &name, ByteSink &dest, 1496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgprivate: 1526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString & 1536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org process(const UnicodeString &src, 1546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isLabel, UBool toASCII, 1556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString &dest, 1566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org void 1596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processUTF8(const StringPiece &src, 1606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isLabel, UBool toASCII, 1616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ByteSink &dest, 1626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString & 1656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processUnicode(const UnicodeString &src, 1666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelStart, int32_t mappingStart, 1676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isLabel, UBool toASCII, 1686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString &dest, 1696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // returns the new dest.length() 1726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t 1736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org mapDevChars(UnicodeString &dest, int32_t labelStart, int32_t mappingStart, 1746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode &errorCode) const; 1756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // returns the new label length 1776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t 1786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processLabel(UnicodeString &dest, 1796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelStart, int32_t labelLength, 1806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool toASCII, 1816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const; 1826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t 1836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org markBadACELabel(UnicodeString &dest, 1846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelStart, int32_t labelLength, 1856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool toASCII, IDNAInfo &info) const; 1866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org void 1886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org checkLabelBiDi(const UChar *label, int32_t labelLength, IDNAInfo &info) const; 1896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool 1916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isLabelOkContextJ(const UChar *label, int32_t labelLength) const; 1926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org void 1946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org checkLabelContextO(const UChar *label, int32_t labelLength, IDNAInfo &info) const; 1956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const Normalizer2 &uts46Norm2; // uts46.nrm 1976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uint32_t options; 1986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org}; 1996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgIDNA * 2016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgIDNA::createUTS46Instance(uint32_t options, UErrorCode &errorCode) { 2026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 2036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNA *idna=new UTS46(options, errorCode); 2046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(idna==NULL) { 2056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_MEMORY_ALLOCATION_ERROR; 2066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(U_FAILURE(errorCode)) { 2076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org delete idna; 2086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org idna=NULL; 2096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return idna; 2116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 2126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return NULL; 2136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// UTS46 implementation ---------------------------------------------------- *** 2176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::UTS46(uint32_t opt, UErrorCode &errorCode) 2196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org : uts46Norm2(*Normalizer2::getInstance(NULL, "uts46", UNORM2_COMPOSE, errorCode)), 2206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org options(opt) {} 2216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::~UTS46() {} 2236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUnicodeString & 2256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::labelToASCII(const UnicodeString &label, UnicodeString &dest, 2266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 2276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return process(label, TRUE, TRUE, dest, info, errorCode); 2286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUnicodeString & 2316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::labelToUnicode(const UnicodeString &label, UnicodeString &dest, 2326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 2336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return process(label, TRUE, FALSE, dest, info, errorCode); 2346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUnicodeString & 2376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::nameToASCII(const UnicodeString &name, UnicodeString &dest, 2386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 2396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org process(name, FALSE, TRUE, dest, info, errorCode); 2406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( dest.length()>=254 && (info.errors&UIDNA_ERROR_DOMAIN_NAME_TOO_LONG)==0 && 2416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isASCIIString(dest) && 2426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (dest.length()>254 || dest[253]!=0x2e) 2436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ) { 2446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=UIDNA_ERROR_DOMAIN_NAME_TOO_LONG; 2456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 2476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUnicodeString & 2506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::nameToUnicode(const UnicodeString &name, UnicodeString &dest, 2516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 2526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return process(name, FALSE, FALSE, dest, info, errorCode); 2536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 2566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::labelToASCII_UTF8(const StringPiece &label, ByteSink &dest, 2576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 2586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processUTF8(label, TRUE, TRUE, dest, info, errorCode); 2596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 2626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::labelToUnicodeUTF8(const StringPiece &label, ByteSink &dest, 2636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 2646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processUTF8(label, TRUE, FALSE, dest, info, errorCode); 2656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 2686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::nameToASCII_UTF8(const StringPiece &name, ByteSink &dest, 2696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 2706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processUTF8(name, FALSE, TRUE, dest, info, errorCode); 2716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 2746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::nameToUnicodeUTF8(const StringPiece &name, ByteSink &dest, 2756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 2766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processUTF8(name, FALSE, FALSE, dest, info, errorCode); 2776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// UTS #46 data for ASCII characters. 2806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// The normalizer (using uts46.nrm) maps uppercase ASCII letters to lowercase 2816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// and passes through all other ASCII characters. 2826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// If UIDNA_USE_STD3_RULES is set, then non-LDH characters are disallowed 2836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// using this data. 2846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// The ASCII fastpath also uses this data. 2856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Values: -1=disallowed 0==valid 1==mapped (lowercase) 2866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic const int8_t asciiData[128]={ 2876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 2886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 2896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 002D..002E; valid # HYPHEN-MINUS..FULL STOP 2906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 2916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 0030..0039; valid # DIGIT ZERO..DIGIT NINE 2926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, -1, -1, 2936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 0041..005A; mapped # LATIN CAPITAL LETTER A..LATIN CAPITAL LETTER Z 2946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 2966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 0061..007A; valid # LATIN SMALL LETTER A..LATIN SMALL LETTER Z 2976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, -1 2996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org}; 3006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUnicodeString & 3026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::process(const UnicodeString &src, 3036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isLabel, UBool toASCII, 3046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString &dest, 3056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 3066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // uts46Norm2.normalize() would do all of this error checking and setup, 3076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // but with the ASCII fastpath we do not always call it, and do not 3086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // call it first. 3096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(errorCode)) { 3106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.setToBogus(); 3116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 3126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *srcArray=src.getBuffer(); 3146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(&dest==&src || srcArray==NULL) { 3156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ILLEGAL_ARGUMENT_ERROR; 3166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.setToBogus(); 3176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 3186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Arguments are fine, reset output values. 3206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.remove(); 3216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.reset(); 3226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t srcLength=src.length(); 3236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(srcLength==0) { 3246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(toASCII) { 3256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=UIDNA_ERROR_EMPTY_LABEL; 3266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 3286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *destArray=dest.getBuffer(srcLength); 3306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(destArray==NULL) { 3316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_MEMORY_ALLOCATION_ERROR; 3326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 3336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // ASCII fastpath 3356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool disallowNonLDHDot=(options&UIDNA_USE_STD3_RULES)!=0; 3366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelStart=0; 3376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t i; 3386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0;; ++i) { 3396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i==srcLength) { 3406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(toASCII) { 3416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((i-labelStart)>63) { 3426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LABEL_TOO_LONG; 3436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // There is a trailing dot if labelStart==i. 3456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!isLabel && i>=254 && (i>254 || labelStart<i)) { 3466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=UIDNA_ERROR_DOMAIN_NAME_TOO_LONG; 3476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=info.labelErrors; 3506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.releaseBuffer(i); 3516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 3526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar c=srcArray[i]; 3546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c>0x7f) { 3556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 3566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int cData=asciiData[c]; 3586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(cData>0) { 3596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destArray[i]=c+0x20; // Lowercase an uppercase ASCII letter. 3606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(cData<0 && disallowNonLDHDot) { 3616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; // Replacing with U+FFFD can be complicated for toASCII. 3626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 3636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destArray[i]=c; 3646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0x2d) { // hyphen 3656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i==(labelStart+3) && srcArray[i-1]==0x2d) { 3666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // "??--..." is Punycode or forbidden. 3676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ++i; // '-' was copied to dest already 3686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 3696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i==labelStart) { 3716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // label starts with "-" 3726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LEADING_HYPHEN; 3736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((i+1)==srcLength || srcArray[i+1]==0x2e) { 3756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // label ends with "-" 3766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_TRAILING_HYPHEN; 3776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(c==0x2e) { // dot 3796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(isLabel) { 3806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Replacing with U+FFFD can be complicated for toASCII. 3816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ++i; // '.' was copied to dest already 3826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 3836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(toASCII) { 3856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Permit an empty label at the end but not elsewhere. 3866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i==labelStart && i<(srcLength-1)) { 3876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_EMPTY_LABEL; 3886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if((i-labelStart)>63) { 3896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LABEL_TOO_LONG; 3906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=info.labelErrors; 3936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors=0; 3946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelStart=i+1; 3956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=info.labelErrors; 3996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.releaseBuffer(i); 4006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processUnicode(src, labelStart, i, isLabel, toASCII, dest, info, errorCode); 4016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( info.isBiDi && U_SUCCESS(errorCode) && (info.errors&severeErrors)==0 && 4026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (!info.isOkBiDi || (labelStart>0 && !isASCIIOkBiDi(dest.getBuffer(), labelStart))) 4036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ) { 4046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=UIDNA_ERROR_BIDI; 4056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 4076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 4086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 4106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::processUTF8(const StringPiece &src, 4116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isLabel, UBool toASCII, 4126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ByteSink &dest, 4136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 4146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(errorCode)) { 4156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return; 4166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char *srcArray=src.data(); 4186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t srcLength=src.length(); 4196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(srcArray==NULL && srcLength!=0) { 4206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ILLEGAL_ARGUMENT_ERROR; 4216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return; 4226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Arguments are fine, reset output values. 4246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.reset(); 4256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(srcLength==0) { 4266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(toASCII) { 4276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=UIDNA_ERROR_EMPTY_LABEL; 4286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.Flush(); 4306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return; 4316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString destString; 4336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelStart=0; 4346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(srcLength<=256) { // length of stackArray[] 4356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // ASCII fastpath 4366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org char stackArray[256]; 4376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t destCapacity; 4386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org char *destArray=dest.GetAppendBuffer(srcLength, srcLength+20, 4396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org stackArray, LENGTHOF(stackArray), &destCapacity); 4406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool disallowNonLDHDot=(options&UIDNA_USE_STD3_RULES)!=0; 4416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t i; 4426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0;; ++i) { 4436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i==srcLength) { 4446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(toASCII) { 4456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((i-labelStart)>63) { 4466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LABEL_TOO_LONG; 4476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // There is a trailing dot if labelStart==i. 4496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!isLabel && i>=254 && (i>254 || labelStart<i)) { 4506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=UIDNA_ERROR_DOMAIN_NAME_TOO_LONG; 4516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=info.labelErrors; 4546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.Append(destArray, i); 4556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.Flush(); 4566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return; 4576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org char c=srcArray[i]; 4596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((int8_t)c<0) { // (uint8_t)c>0x7f 4606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 4616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int cData=asciiData[(int)c]; // Cast: gcc warns about indexing with a char. 4636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(cData>0) { 4646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destArray[i]=c+0x20; // Lowercase an uppercase ASCII letter. 4656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(cData<0 && disallowNonLDHDot) { 4666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; // Replacing with U+FFFD can be complicated for toASCII. 4676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 4686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destArray[i]=c; 4696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0x2d) { // hyphen 4706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i==(labelStart+3) && srcArray[i-1]==0x2d) { 4716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // "??--..." is Punycode or forbidden. 4726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 4736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i==labelStart) { 4756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // label starts with "-" 4766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LEADING_HYPHEN; 4776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((i+1)==srcLength || srcArray[i+1]==0x2e) { 4796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // label ends with "-" 4806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_TRAILING_HYPHEN; 4816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(c==0x2e) { // dot 4836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(isLabel) { 4846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; // Replacing with U+FFFD can be complicated for toASCII. 4856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(toASCII) { 4876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Permit an empty label at the end but not elsewhere. 4886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i==labelStart && i<(srcLength-1)) { 4896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_EMPTY_LABEL; 4906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if((i-labelStart)>63) { 4916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LABEL_TOO_LONG; 4926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=info.labelErrors; 4956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors=0; 4966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelStart=i+1; 4976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=info.labelErrors; 5016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Convert the processed ASCII prefix of the current label to UTF-16. 5026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t mappingStart=i-labelStart; 5036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destString=UnicodeString::fromUTF8(StringPiece(destArray+labelStart, mappingStart)); 5046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Output the previous ASCII labels and process the rest of src in UTF-16. 5056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.Append(destArray, labelStart); 5066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processUnicode(UnicodeString::fromUTF8(StringPiece(src, labelStart)), 0, mappingStart, 5076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isLabel, toASCII, 5086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destString, info, errorCode); 5096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 5106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // src is too long for the ASCII fastpath implementation. 5116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processUnicode(UnicodeString::fromUTF8(src), 0, 0, 5126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isLabel, toASCII, 5136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destString, info, errorCode); 5146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destString.toUTF8(dest); // calls dest.Flush() 5166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(toASCII && !isLabel) { 5176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // length==labelStart==254 means that there is a trailing dot (ok) and 5186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // destString is empty (do not index at 253-labelStart). 5196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t length=labelStart+destString.length(); 5206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( length>=254 && isASCIIString(destString) && 5216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (length>254 || 5226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (labelStart<254 && destString[253-labelStart]!=0x2e)) 5236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ) { 5246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=UIDNA_ERROR_DOMAIN_NAME_TOO_LONG; 5256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( info.isBiDi && U_SUCCESS(errorCode) && (info.errors&severeErrors)==0 && 5286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (!info.isOkBiDi || (labelStart>0 && !isASCIIOkBiDi(srcArray, labelStart))) 5296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ) { 5306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=UIDNA_ERROR_BIDI; 5316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 5336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUnicodeString & 5356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::processUnicode(const UnicodeString &src, 5366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelStart, int32_t mappingStart, 5376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isLabel, UBool toASCII, 5386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString &dest, 5396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 5406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(mappingStart==0) { 5416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uts46Norm2.normalize(src, dest, errorCode); 5426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 5436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uts46Norm2.normalizeSecondAndAppend(dest, src.tempSubString(mappingStart), errorCode); 5446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(errorCode)) { 5466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 5476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool doMapDevChars= 5496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org toASCII ? (options&UIDNA_NONTRANSITIONAL_TO_ASCII)==0 : 5506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (options&UIDNA_NONTRANSITIONAL_TO_UNICODE)==0; 5516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *destArray=dest.getBuffer(); 5526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t destLength=dest.length(); 5536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelLimit=labelStart; 5546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org while(labelLimit<destLength) { 5556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar c=destArray[labelLimit]; 5566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0x2e && !isLabel) { 5576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelLength=labelLimit-labelStart; 5586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t newLength=processLabel(dest, labelStart, labelLength, 5596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org toASCII, info, errorCode); 5606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=info.labelErrors; 5616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors=0; 5626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(errorCode)) { 5636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 5646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destArray=dest.getBuffer(); 5666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destLength+=newLength-labelLength; 5676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelLimit=labelStart+=newLength+1; 5686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(0xdf<=c && c<=0x200d && (c==0xdf || c==0x3c2 || c>=0x200c)) { 5696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.isTransDiff=TRUE; 5706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(doMapDevChars) { 5716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destLength=mapDevChars(dest, labelStart, labelLimit, errorCode); 5726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(errorCode)) { 5736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 5746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destArray=dest.getBuffer(); 5766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Do not increment labelLimit in case c was removed. 5776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // All deviation characters have been mapped, no need to check for them again. 5786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org doMapDevChars=FALSE; 5796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 5806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ++labelLimit; 5816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 5836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ++labelLimit; 5846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Permit an empty label at the end (0<labelStart==labelLimit==destLength is ok) 5876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // but not an empty label elsewhere nor a completely empty domain name. 5886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // processLabel() sets UIDNA_ERROR_EMPTY_LABEL when labelLength==0. 5896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(0==labelStart || labelStart<labelLimit) { 5906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org processLabel(dest, labelStart, labelLimit-labelStart, 5916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org toASCII, info, errorCode); 5926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.errors|=info.labelErrors; 5936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest; 5956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 5966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgint32_t 5986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::mapDevChars(UnicodeString &dest, int32_t labelStart, int32_t mappingStart, 5996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode &errorCode) const { 6006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t length=dest.length(); 6016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *s=dest.getBuffer(dest[mappingStart]==0xdf ? length+1 : length); 6026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(s==NULL) { 6036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_MEMORY_ALLOCATION_ERROR; 6046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return length; 6056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t capacity=dest.getCapacity(); 6076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool didMapDevChars=FALSE; 6086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t readIndex=mappingStart, writeIndex=mappingStart; 6096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org do { 6106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar c=s[readIndex++]; 6116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org switch(c) { 6126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org case 0xdf: 6136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Map sharp s to ss. 6146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org didMapDevChars=TRUE; 6156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org s[writeIndex++]=0x73; // Replace sharp s with first s. 6166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Insert second s and account for possible buffer reallocation. 6176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(writeIndex==readIndex) { 6186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(length==capacity) { 6196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.releaseBuffer(length); 6206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org s=dest.getBuffer(length+1); 6216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(s==NULL) { 6226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_MEMORY_ALLOCATION_ERROR; 6236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return length; 6246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org capacity=dest.getCapacity(); 6266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org u_memmove(s+writeIndex+1, s+writeIndex, length-writeIndex); 6286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ++readIndex; 6296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org s[writeIndex++]=0x73; 6316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ++length; 6326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 6336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org case 0x3c2: // Map final sigma to nonfinal sigma. 6346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org didMapDevChars=TRUE; 6356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org s[writeIndex++]=0x3c3; 6366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 6376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org case 0x200c: // Ignore/remove ZWNJ. 6386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org case 0x200d: // Ignore/remove ZWJ. 6396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org didMapDevChars=TRUE; 6406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org --length; 6416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 6426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org default: 6436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Only really necessary if writeIndex was different from readIndex. 6446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org s[writeIndex++]=c; 6456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 6466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } while(writeIndex<length); 6486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.releaseBuffer(length); 6496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(didMapDevChars) { 6506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Mapping deviation characters might have resulted in an un-NFC string. 6516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // We could use either the NFC or the UTS #46 normalizer. 6526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // By using the UTS #46 normalizer again, we avoid having to load a second .nrm data file. 6536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString normalized; 6546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uts46Norm2.normalize(dest.tempSubString(labelStart), normalized, errorCode); 6556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_SUCCESS(errorCode)) { 6566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.replace(labelStart, 0x7fffffff, normalized); 6576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return dest.length(); 6586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return length; 6616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 6626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Some non-ASCII characters are equivalent to sequences with 6646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// non-LDH ASCII characters. To find them: 6656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// grep disallowed_STD3_valid IdnaMappingTable.txt (or uts46.txt) 6666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic inline UBool 6676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgisNonASCIIDisallowedSTD3Valid(UChar32 c) { 6686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return c==0x2260 || c==0x226E || c==0x226F; 6696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 6706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Replace the label in dest with the label string, if the label was modified. 6726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// If &label==&dest then the label was modified in-place and labelLength 6736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// is the new label length, different from label.length(). 6746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// If &label!=&dest then labelLength==label.length(). 6756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Returns labelLength (= the new label length). 6766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic int32_t 6776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgreplaceLabel(UnicodeString &dest, int32_t destLabelStart, int32_t destLabelLength, 6786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UnicodeString &label, int32_t labelLength) { 6796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(&label!=&dest) { 6806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.replace(destLabelStart, destLabelLength, label); 6816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return labelLength; 6836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 6846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgint32_t 6866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::processLabel(UnicodeString &dest, 6876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelStart, int32_t labelLength, 6886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool toASCII, 6896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo &info, UErrorCode &errorCode) const { 6906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString fromPunycode; 6916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString *labelString; 6926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *label=dest.getBuffer()+labelStart; 6936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t destLabelStart=labelStart; 6946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t destLabelLength=labelLength; 6956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool wasPunycode; 6966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(labelLength>=4 && label[0]==0x78 && label[1]==0x6e && label[2]==0x2d && label[3]==0x2d) { 6976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Label starts with "xn--", try to un-Punycode it. 6986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org wasPunycode=TRUE; 6996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *unicodeBuffer=fromPunycode.getBuffer(-1); // capacity==-1: most labels should fit 7006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(unicodeBuffer==NULL) { 7016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Should never occur if we used capacity==-1 which uses the internal buffer. 7026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_MEMORY_ALLOCATION_ERROR; 7036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return labelLength; 7046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode punycodeErrorCode=U_ZERO_ERROR; 7066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t unicodeLength=u_strFromPunycode(label+4, labelLength-4, 7076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org unicodeBuffer, fromPunycode.getCapacity(), 7086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org NULL, &punycodeErrorCode); 7096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(punycodeErrorCode==U_BUFFER_OVERFLOW_ERROR) { 7106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org fromPunycode.releaseBuffer(0); 7116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org unicodeBuffer=fromPunycode.getBuffer(unicodeLength); 7126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(unicodeBuffer==NULL) { 7136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_MEMORY_ALLOCATION_ERROR; 7146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return labelLength; 7156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org punycodeErrorCode=U_ZERO_ERROR; 7176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org unicodeLength=u_strFromPunycode(label+4, labelLength-4, 7186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org unicodeBuffer, fromPunycode.getCapacity(), 7196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org NULL, &punycodeErrorCode); 7206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org fromPunycode.releaseBuffer(unicodeLength); 7226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(punycodeErrorCode)) { 7236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_PUNYCODE; 7246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return markBadACELabel(dest, labelStart, labelLength, toASCII, info); 7256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Check for NFC, and for characters that are not 7276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // valid or deviation characters according to the normalizer. 7286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If there is something wrong, then the string will change. 7296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Note that the normalizer passes through non-LDH ASCII and deviation characters. 7306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Deviation characters are ok in Punycode even in transitional processing. 7316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // In the code further below, if we find non-LDH ASCII and we have UIDNA_USE_STD3_RULES 7326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // then we will set UIDNA_ERROR_INVALID_ACE_LABEL there too. 7336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isValid=uts46Norm2.isNormalized(fromPunycode, errorCode); 7346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(errorCode)) { 7356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return labelLength; 7366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!isValid) { 7386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_INVALID_ACE_LABEL; 7396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return markBadACELabel(dest, labelStart, labelLength, toASCII, info); 7406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelString=&fromPunycode; 7426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org label=fromPunycode.getBuffer(); 7436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelStart=0; 7446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelLength=fromPunycode.length(); 7456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 7466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org wasPunycode=FALSE; 7476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelString=&dest; 7486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Validity check 7506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(labelLength==0) { 7516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(toASCII) { 7526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_EMPTY_LABEL; 7536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return replaceLabel(dest, destLabelStart, destLabelLength, *labelString, labelLength); 7556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // labelLength>0 7576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(labelLength>=4 && label[2]==0x2d && label[3]==0x2d) { 7586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // label starts with "??--" 7596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_HYPHEN_3_4; 7606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(label[0]==0x2d) { 7626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // label starts with "-" 7636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LEADING_HYPHEN; 7646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(label[labelLength-1]==0x2d) { 7666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // label ends with "-" 7676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_TRAILING_HYPHEN; 7686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If the label was not a Punycode label, then it was the result of 7706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // mapping, normalization and label segmentation. 7716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If the label was in Punycode, then we mapped it again above 7726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // and checked its validity. 7736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Now we handle the STD3 restriction to LDH characters (if set) 7746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // and we look for U+FFFD which indicates disallowed characters 7756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // in a non-Punycode label or U+FFFD itself in a Punycode label. 7766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // We also check for dots which can come from the input to a single-label function. 7776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Ok to cast away const because we own the UnicodeString. 7786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *s=(UChar *)label; 7796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *limit=label+labelLength; 7806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar oredChars=0; 7816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If we enforce STD3 rules, then ASCII characters other than LDH and dot are disallowed. 7826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool disallowNonLDHDot=(options&UIDNA_USE_STD3_RULES)!=0; 7836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org do { 7846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar c=*s; 7856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c<=0x7f) { 7866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0x2e) { 7876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LABEL_HAS_DOT; 7886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *s=0xfffd; 7896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(disallowNonLDHDot && asciiData[c]<0) { 7906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_DISALLOWED; 7916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *s=0xfffd; 7926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 7946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org oredChars|=c; 7956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(disallowNonLDHDot && isNonASCIIDisallowedSTD3Valid(c)) { 7966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_DISALLOWED; 7976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *s=0xfffd; 7986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(c==0xfffd) { 7996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_DISALLOWED; 8006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ++s; 8036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } while(s<limit); 8046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Check for a leading combining mark after other validity checks 8056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // so that we don't report UIDNA_ERROR_DISALLOWED for the U+FFFD from here. 8066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar32 c; 8076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t cpLength=0; 8086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // "Unsafe" is ok because unpaired surrogates were mapped to U+FFFD. 8096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT_UNSAFE(label, cpLength, c); 8106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((U_GET_GC_MASK(c)&U_GC_M_MASK)!=0) { 8116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LEADING_COMBINING_MARK; 8126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelString->replace(labelStart, cpLength, (UChar)0xfffd); 8136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org label=labelString->getBuffer()+labelStart; 8146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelLength+=1-cpLength; 8156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(labelString==&dest) { 8166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destLabelLength=labelLength; 8176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((info.labelErrors&severeErrors)==0) { 8206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Do contextual checks only if we do not have U+FFFD from a severe error 8216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // because U+FFFD can make these checks fail. 8226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((options&UIDNA_CHECK_BIDI)!=0 && (!info.isBiDi || info.isOkBiDi)) { 8236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org checkLabelBiDi(label, labelLength, info); 8246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( (options&UIDNA_CHECK_CONTEXTJ)!=0 && (oredChars&0x200c)==0x200c && 8266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org !isLabelOkContextJ(label, labelLength) 8276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ) { 8286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_CONTEXTJ; 8296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((options&UIDNA_CHECK_CONTEXTO)!=0 && oredChars>=0xb7) { 8316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org checkLabelContextO(label, labelLength, info); 8326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(toASCII) { 8346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(wasPunycode) { 8356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Leave a Punycode label unchanged if it has no severe errors. 8366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(destLabelLength>63) { 8376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LABEL_TOO_LONG; 8386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return destLabelLength; 8406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(oredChars>=0x80) { 8416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Contains non-ASCII characters. 8426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString punycode; 8436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *buffer=punycode.getBuffer(63); // 63==maximum DNS label length 8446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(buffer==NULL) { 8456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_MEMORY_ALLOCATION_ERROR; 8466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return destLabelLength; 8476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org buffer[0]=0x78; // Write "xn--". 8496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org buffer[1]=0x6e; 8506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org buffer[2]=0x2d; 8516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org buffer[3]=0x2d; 8526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t punycodeLength=u_strToPunycode(label, labelLength, 8536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org buffer+4, punycode.getCapacity()-4, 8546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org NULL, &errorCode); 8556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(errorCode==U_BUFFER_OVERFLOW_ERROR) { 8566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_ZERO_ERROR; 8576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org punycode.releaseBuffer(4); 8586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org buffer=punycode.getBuffer(4+punycodeLength); 8596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(buffer==NULL) { 8606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org errorCode=U_MEMORY_ALLOCATION_ERROR; 8616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return destLabelLength; 8626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org punycodeLength=u_strToPunycode(label, labelLength, 8646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org buffer+4, punycode.getCapacity()-4, 8656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org NULL, &errorCode); 8666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org punycodeLength+=4; 8686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org punycode.releaseBuffer(punycodeLength); 8696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(errorCode)) { 8706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return destLabelLength; 8716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(punycodeLength>63) { 8736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LABEL_TOO_LONG; 8746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return replaceLabel(dest, destLabelStart, destLabelLength, 8766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org punycode, punycodeLength); 8776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 8786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // all-ASCII label 8796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(labelLength>63) { 8806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LABEL_TOO_LONG; 8816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 8856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If a Punycode label has severe errors, 8866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // then leave it but make sure it does not look valid. 8876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(wasPunycode) { 8886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_INVALID_ACE_LABEL; 8896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return markBadACELabel(dest, destLabelStart, destLabelLength, toASCII, info); 8906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return replaceLabel(dest, destLabelStart, destLabelLength, *labelString, labelLength); 8936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 8946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Make sure an ACE label does not look valid. 8966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Append U+FFFD if the label has only LDH characters. 8976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// If UIDNA_USE_STD3_RULES, also replace disallowed ASCII characters with U+FFFD. 8986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgint32_t 8996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::markBadACELabel(UnicodeString &dest, 9006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelStart, int32_t labelLength, 9016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool toASCII, IDNAInfo &info) const { 9026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool disallowNonLDHDot=(options&UIDNA_USE_STD3_RULES)!=0; 9036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isASCII=TRUE; 9046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool onlyLDH=TRUE; 9056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *label=dest.getBuffer()+labelStart; 9066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Ok to cast away const because we own the UnicodeString. 9076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *s=(UChar *)label+4; // After the initial "xn--". 9086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *limit=label+labelLength; 9096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org do { 9106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar c=*s; 9116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c<=0x7f) { 9126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0x2e) { 9136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LABEL_HAS_DOT; 9146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *s=0xfffd; 9156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isASCII=onlyLDH=FALSE; 9166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(asciiData[c]<0) { 9176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org onlyLDH=FALSE; 9186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(disallowNonLDHDot) { 9196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *s=0xfffd; 9206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isASCII=FALSE; 9216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 9226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 9236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 9246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isASCII=onlyLDH=FALSE; 9256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 9266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } while(++s<limit); 9276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(onlyLDH) { 9286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest.insert(labelStart+labelLength, (UChar)0xfffd); 9296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ++labelLength; 9306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 9316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(toASCII && isASCII && labelLength>63) { 9326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_LABEL_TOO_LONG; 9336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 9346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 9356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return labelLength; 9366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 9376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 9386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t L_MASK=U_MASK(U_LEFT_TO_RIGHT); 9396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t R_AL_MASK=U_MASK(U_RIGHT_TO_LEFT)|U_MASK(U_RIGHT_TO_LEFT_ARABIC); 9406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t L_R_AL_MASK=L_MASK|R_AL_MASK; 9416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 9426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t R_AL_AN_MASK=R_AL_MASK|U_MASK(U_ARABIC_NUMBER); 9436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 9446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t EN_AN_MASK=U_MASK(U_EUROPEAN_NUMBER)|U_MASK(U_ARABIC_NUMBER); 9456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t R_AL_EN_AN_MASK=R_AL_MASK|EN_AN_MASK; 9466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t L_EN_MASK=L_MASK|U_MASK(U_EUROPEAN_NUMBER); 9476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 9486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t ES_CS_ET_ON_BN_NSM_MASK= 9496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U_MASK(U_EUROPEAN_NUMBER_SEPARATOR)| 9506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U_MASK(U_COMMON_NUMBER_SEPARATOR)| 9516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U_MASK(U_EUROPEAN_NUMBER_TERMINATOR)| 9526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U_MASK(U_OTHER_NEUTRAL)| 9536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U_MASK(U_BOUNDARY_NEUTRAL)| 9546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U_MASK(U_DIR_NON_SPACING_MARK); 9556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t L_EN_ES_CS_ET_ON_BN_NSM_MASK=L_EN_MASK|ES_CS_ET_ON_BN_NSM_MASK; 9566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgconst uint32_t R_AL_AN_EN_ES_CS_ET_ON_BN_NSM_MASK=R_AL_MASK|EN_AN_MASK|ES_CS_ET_ON_BN_NSM_MASK; 9576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 9586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// We scan the whole label and check both for whether it contains RTL characters 9596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// and whether it passes the BiDi Rule. 9606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// In a BiDi domain name, all labels must pass the BiDi Rule, but we might find 9616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// that a domain name is a BiDi domain name (has an RTL label) only after 9626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// processing several earlier labels. 9636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 9646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::checkLabelBiDi(const UChar *label, int32_t labelLength, IDNAInfo &info) const { 9656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // IDNA2008 BiDi rule 9666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Get the directionality of the first character. 9676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar32 c; 9686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t i=0; 9696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT_UNSAFE(label, i, c); 9706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uint32_t firstMask=U_MASK(u_charDirection(c)); 9716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 1. The first character must be a character with BIDI property L, R 9726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // or AL. If it has the R or AL property, it is an RTL label; if it 9736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // has the L property, it is an LTR label. 9746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((firstMask&~L_R_AL_MASK)!=0) { 9756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.isOkBiDi=FALSE; 9766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 9776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Get the directionality of the last non-NSM character. 9786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uint32_t lastMask; 9796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(;;) { 9806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i>=labelLength) { 9816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org lastMask=firstMask; 9826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 9836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 9846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_PREV_UNSAFE(label, labelLength, c); 9856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UCharDirection dir=u_charDirection(c); 9866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(dir!=U_DIR_NON_SPACING_MARK) { 9876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org lastMask=U_MASK(dir); 9886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 9896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 9906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 9916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 3. In an RTL label, the end of the label must be a character with 9926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // BIDI property R, AL, EN or AN, followed by zero or more 9936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // characters with BIDI property NSM. 9946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 6. In an LTR label, the end of the label must be a character with 9956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // BIDI property L or EN, followed by zero or more characters with 9966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // BIDI property NSM. 9976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( (firstMask&L_MASK)!=0 ? 9986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (lastMask&~L_EN_MASK)!=0 : 9996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (lastMask&~R_AL_EN_AN_MASK)!=0 10006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ) { 10016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.isOkBiDi=FALSE; 10026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Get the directionalities of the intervening characters. 10046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uint32_t mask=0; 10056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org while(i<labelLength) { 10066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT_UNSAFE(label, i, c); 10076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org mask|=U_MASK(u_charDirection(c)); 10086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(firstMask&L_MASK) { 10106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 5. In an LTR label, only characters with the BIDI properties L, EN, 10116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // ES, CS, ET, ON, BN and NSM are allowed. 10126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((mask&~L_EN_ES_CS_ET_ON_BN_NSM_MASK)!=0) { 10136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.isOkBiDi=FALSE; 10146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 10166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 2. In an RTL label, only characters with the BIDI properties R, AL, 10176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // AN, EN, ES, CS, ET, ON, BN and NSM are allowed. 10186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((mask&~R_AL_AN_EN_ES_CS_ET_ON_BN_NSM_MASK)!=0) { 10196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.isOkBiDi=FALSE; 10206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 4. In an RTL label, if an EN is present, no AN may be present, and 10226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // vice versa. 10236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((mask&EN_AN_MASK)==EN_AN_MASK) { 10246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.isOkBiDi=FALSE; 10256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // An RTL label is a label that contains at least one character of type 10286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // R, AL or AN. [...] 10296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // A "BIDI domain name" is a domain name that contains at least one RTL 10306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // label. [...] 10316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // The following rule, consisting of six conditions, applies to labels 10326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // in BIDI domain names. 10336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(((firstMask|mask|lastMask)&R_AL_AN_MASK)!=0) { 10346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.isBiDi=TRUE; 10356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 10376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 10386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Special code for the ASCII prefix of a BiDi domain name. 10396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// The ASCII prefix is all-LTR. 10406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 10416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// IDNA2008 BiDi rule, parts relevant to ASCII labels: 10426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// 1. The first character must be a character with BIDI property L [...] 10436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// 5. In an LTR label, only characters with the BIDI properties L, EN, 10446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// ES, CS, ET, ON, BN and NSM are allowed. 10456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// 6. In an LTR label, the end of the label must be a character with 10466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// BIDI property L or EN [...] 10476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 10486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// UTF-16 version, called for mapped ASCII prefix. 10496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Cannot contain uppercase A-Z. 10506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// s[length-1] must be the trailing dot. 10516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UBool 10526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgisASCIIOkBiDi(const UChar *s, int32_t length) { 10536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelStart=0; 10546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(int32_t i=0; i<length; ++i) { 10556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar c=s[i]; 10566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0x2e) { // dot 10576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i>labelStart) { 10586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org c=s[i-1]; 10596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!(0x61<=c && c<=0x7a) && !(0x30<=c && c<=0x39)) { 10606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Last character in the label is not an L or EN. 10616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 10626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelStart=i+1; 10656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(i==labelStart) { 10666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!(0x61<=c && c<=0x7a)) { 10676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // First character in the label is not an L. 10686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 10696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 10716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c<=0x20 && (c>=0x1c || (9<=c && c<=0xd))) { 10726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Intermediate character in the label is a B, S or WS. 10736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 10746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return TRUE; 10786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 10796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 10806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// UTF-8 version, called for source ASCII prefix. 10816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// Can contain uppercase A-Z. 10826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// s[length-1] must be the trailing dot. 10836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UBool 10846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgisASCIIOkBiDi(const char *s, int32_t length) { 10856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelStart=0; 10866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(int32_t i=0; i<length; ++i) { 10876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org char c=s[i]; 10886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0x2e) { // dot 10896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i>labelStart) { 10906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org c=s[i-1]; 10916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!(0x61<=c && c<=0x7a) && !(0x41<=c && c<=0x5a) && !(0x30<=c && c<=0x39)) { 10926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Last character in the label is not an L or EN. 10936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 10946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 10966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org labelStart=i+1; 10976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(i==labelStart) { 10986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!(0x61<=c && c<=0x7a) && !(0x41<=c && c<=0x5a)) { 10996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // First character in the label is not an L. 11006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 11016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 11036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c<=0x20 && (c>=0x1c || (9<=c && c<=0xd))) { 11046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Intermediate character in the label is a B, S or WS. 11056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 11066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return TRUE; 11106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 11116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 11126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUBool 11136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::isLabelOkContextJ(const UChar *label, int32_t labelLength) const { 11146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UBiDiProps *bdp=ubidi_getSingleton(); 11156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // [IDNA2008-Tables] 11166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 200C..200D ; CONTEXTJ # ZERO WIDTH NON-JOINER..ZERO WIDTH JOINER 11176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(int32_t i=0; i<labelLength; ++i) { 11186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(label[i]==0x200c) { 11196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Appendix A.1. ZERO WIDTH NON-JOINER 11206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Rule Set: 11216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // False; 11226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If Canonical_Combining_Class(Before(cp)) .eq. Virama Then True; 11236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If RegExpMatch((Joining_Type:{L,D})(Joining_Type:T)*\u200C 11246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // (Joining_Type:T)*(Joining_Type:{R,D})) Then True; 11256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i==0) { 11266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 11276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar32 c; 11296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t j=i; 11306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_PREV_UNSAFE(label, j, c); 11316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(uts46Norm2.getCombiningClass(c)==9) { 11326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org continue; 11336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // check precontext (Joining_Type:{L,D})(Joining_Type:T)* 11356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(;;) { 11366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UJoiningType type=ubidi_getJoiningType(bdp, c); 11376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(type==U_JT_TRANSPARENT) { 11386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(j==0) { 11396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 11406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_PREV_UNSAFE(label, j, c); 11426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(type==U_JT_LEFT_JOINING || type==U_JT_DUAL_JOINING) { 11436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; // precontext fulfilled 11446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 11456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 11466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // check postcontext (Joining_Type:T)*(Joining_Type:{R,D}) 11496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(j=i+1;;) { 11506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(j==labelLength) { 11516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 11526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT_UNSAFE(label, j, c); 11546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UJoiningType type=ubidi_getJoiningType(bdp, c); 11556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(type==U_JT_TRANSPARENT) { 11566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // just skip this character 11576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(type==U_JT_RIGHT_JOINING || type==U_JT_DUAL_JOINING) { 11586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; // postcontext fulfilled 11596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 11606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 11616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(label[i]==0x200d) { 11646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Appendix A.2. ZERO WIDTH JOINER (U+200D) 11656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Rule Set: 11666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // False; 11676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If Canonical_Combining_Class(Before(cp)) .eq. Virama Then True; 11686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i==0) { 11696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 11706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar32 c; 11726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t j=i; 11736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_PREV_UNSAFE(label, j, c); 11746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(uts46Norm2.getCombiningClass(c)!=9) { 11756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 11766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 11796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return TRUE; 11806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 11816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 11826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgvoid 11836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgUTS46::checkLabelContextO(const UChar *label, int32_t labelLength, IDNAInfo &info) const { 11846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t labelEnd=labelLength-1; // inclusive 11856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t arabicDigits=0; // -1 for 066x, +1 for 06Fx 11866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(int32_t i=0; i<=labelEnd; ++i) { 11876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar32 c=label[i]; 11886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c<0xb7) { 11896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // ASCII fastpath 11906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(c<=0x6f9) { 11916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c==0xb7) { 11926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Appendix A.3. MIDDLE DOT (U+00B7) 11936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Rule Set: 11946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // False; 11956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If Before(cp) .eq. U+006C And 11966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // After(cp) .eq. U+006C Then True; 11976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!(0<i && label[i-1]==0x6c && 11986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org i<labelEnd && label[i+1]==0x6c)) { 11996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_CONTEXTO_PUNCTUATION; 12006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(c==0x375) { 12026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Appendix A.4. GREEK LOWER NUMERAL SIGN (KERAIA) (U+0375) 12036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Rule Set: 12046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // False; 12056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If Script(After(cp)) .eq. Greek Then True; 12066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UScriptCode script=USCRIPT_INVALID_CODE; 12076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(i<labelEnd) { 12086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode errorCode=U_ZERO_ERROR; 12096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t j=i+1; 12106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(label, j, labelLength, c); 12116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org script=uscript_getScript(c, &errorCode); 12126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(script!=USCRIPT_GREEK) { 12146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_CONTEXTO_PUNCTUATION; 12156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(c==0x5f3 || c==0x5f4) { 12176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Appendix A.5. HEBREW PUNCTUATION GERESH (U+05F3) 12186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Rule Set: 12196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // False; 12206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If Script(Before(cp)) .eq. Hebrew Then True; 12216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 12226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Appendix A.6. HEBREW PUNCTUATION GERSHAYIM (U+05F4) 12236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Rule Set: 12246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // False; 12256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If Script(Before(cp)) .eq. Hebrew Then True; 12266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UScriptCode script=USCRIPT_INVALID_CODE; 12276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(0<i) { 12286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode errorCode=U_ZERO_ERROR; 12296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t j=i; 12306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_PREV(label, 0, j, c); 12316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org script=uscript_getScript(c, &errorCode); 12326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(script!=USCRIPT_HEBREW) { 12346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_CONTEXTO_PUNCTUATION; 12356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(0x660<=c /* && c<=0x6f9 */) { 12376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Appendix A.8. ARABIC-INDIC DIGITS (0660..0669) 12386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Rule Set: 12396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // True; 12406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // For All Characters: 12416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If cp .in. 06F0..06F9 Then False; 12426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // End For; 12436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // 12446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Appendix A.9. EXTENDED ARABIC-INDIC DIGITS (06F0..06F9) 12456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Rule Set: 12466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // True; 12476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // For All Characters: 12486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If cp .in. 0660..0669 Then False; 12496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // End For; 12506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(c<=0x669) { 12516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(arabicDigits>0) { 12526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_CONTEXTO_DIGITS; 12536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org arabicDigits=-1; 12556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(0x6f0<=c) { 12566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(arabicDigits<0) { 12576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_CONTEXTO_DIGITS; 12586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org arabicDigits=1; 12606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else if(c==0x30fb) { 12636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Appendix A.7. KATAKANA MIDDLE DOT (U+30FB) 12646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Rule Set: 12656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // False; 12666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // For All Characters: 12676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If Script(cp) .in. {Hiragana, Katakana, Han} Then True; 12686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // End For; 12696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode errorCode=U_ZERO_ERROR; 12706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(int j=0;;) { 12716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(j>labelEnd) { 12726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org info.labelErrors|=UIDNA_ERROR_CONTEXTO_PUNCTUATION; 12736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 12746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(label, j, labelLength, c); 12766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UScriptCode script=uscript_getScript(c, &errorCode); 12776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(script==USCRIPT_HIRAGANA || script==USCRIPT_KATAKANA || script==USCRIPT_HAN) { 12786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org break; 12796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 12836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 12846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 12856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_NAMESPACE_END 12866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 12876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org// C API ------------------------------------------------------------------- *** 12886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 12896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_NAMESPACE_USE 12906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 12916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI UIDNA * U_EXPORT2 12926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguidna_openUTS46(uint32_t options, UErrorCode *pErrorCode) { 12936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return reinterpret_cast<UIDNA *>(IDNA::createUTS46Instance(options, *pErrorCode)); 12946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 12956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 12966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI void U_EXPORT2 12976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguidna_close(UIDNA *idna) { 12986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org delete reinterpret_cast<IDNA *>(idna); 12996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 13006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 13016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UBool 13026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgcheckArgs(const void *label, int32_t length, 13036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org void *dest, int32_t capacity, 13046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNAInfo *pInfo, UErrorCode *pErrorCode) { 13056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(*pErrorCode)) { 13066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 13076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 13086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // sizeof(UIDNAInfo)=16 in the first API version. 13096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(pInfo==NULL || pInfo->size<16) { 13106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR; 13116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 13126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 13136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( (label==NULL ? length!=0 : length<-1) || 13146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (dest==NULL ? capacity!=0 : capacity<0) || 13156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (dest==label && label!=NULL) 13166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ) { 13176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR; 13186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 13196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 13206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Set all *pInfo bytes to 0 except for the size field itself. 13216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_memset(&pInfo->size+1, 0, pInfo->size-sizeof(pInfo->size)); 13226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return TRUE; 13236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 13246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 13256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void 13266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgidnaInfoToStruct(IDNAInfo &info, UIDNAInfo *pInfo) { 13276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->isTransitionalDifferent=info.isTransitionalDifferent(); 13286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->errors=info.getErrors(); 13296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 13306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 13316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI int32_t U_EXPORT2 13326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguidna_labelToASCII(const UIDNA *idna, 13336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *label, int32_t length, 13346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *dest, int32_t capacity, 13356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNAInfo *pInfo, UErrorCode *pErrorCode) { 13366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!checkArgs(label, length, dest, capacity, pInfo, pErrorCode)) { 13376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 13386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 13396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString src((UBool)(length<0), label, length); 13406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString destString(dest, 0, capacity); 13416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo info; 13426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org reinterpret_cast<const IDNA *>(idna)->labelToASCII(src, destString, info, *pErrorCode); 13436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org idnaInfoToStruct(info, pInfo); 13446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return destString.extract(dest, capacity, *pErrorCode); 13456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 13466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 13476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI int32_t U_EXPORT2 13486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguidna_labelToUnicode(const UIDNA *idna, 13496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *label, int32_t length, 13506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *dest, int32_t capacity, 13516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNAInfo *pInfo, UErrorCode *pErrorCode) { 13526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!checkArgs(label, length, dest, capacity, pInfo, pErrorCode)) { 13536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 13546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 13556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString src((UBool)(length<0), label, length); 13566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString destString(dest, 0, capacity); 13576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo info; 13586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org reinterpret_cast<const IDNA *>(idna)->labelToUnicode(src, destString, info, *pErrorCode); 13596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org idnaInfoToStruct(info, pInfo); 13606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return destString.extract(dest, capacity, *pErrorCode); 13616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 13626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 13636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI int32_t U_EXPORT2 13646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguidna_nameToASCII(const UIDNA *idna, 13656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *name, int32_t length, 13666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *dest, int32_t capacity, 13676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNAInfo *pInfo, UErrorCode *pErrorCode) { 13686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!checkArgs(name, length, dest, capacity, pInfo, pErrorCode)) { 13696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 13706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 13716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString src((UBool)(length<0), name, length); 13726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString destString(dest, 0, capacity); 13736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo info; 13746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org reinterpret_cast<const IDNA *>(idna)->nameToASCII(src, destString, info, *pErrorCode); 13756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org idnaInfoToStruct(info, pInfo); 13766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return destString.extract(dest, capacity, *pErrorCode); 13776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 13786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 13796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI int32_t U_EXPORT2 13806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguidna_nameToUnicode(const UIDNA *idna, 13816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar *name, int32_t length, 13826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *dest, int32_t capacity, 13836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNAInfo *pInfo, UErrorCode *pErrorCode) { 13846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!checkArgs(name, length, dest, capacity, pInfo, pErrorCode)) { 13856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 13866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 13876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString src((UBool)(length<0), name, length); 13886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UnicodeString destString(dest, 0, capacity); 13896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo info; 13906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org reinterpret_cast<const IDNA *>(idna)->nameToUnicode(src, destString, info, *pErrorCode); 13916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org idnaInfoToStruct(info, pInfo); 13926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return destString.extract(dest, capacity, *pErrorCode); 13936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 13946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 13956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI int32_t U_EXPORT2 13966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguidna_labelToASCII_UTF8(const UIDNA *idna, 13976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char *label, int32_t length, 13986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org char *dest, int32_t capacity, 13996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNAInfo *pInfo, UErrorCode *pErrorCode) { 14006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!checkArgs(label, length, dest, capacity, pInfo, pErrorCode)) { 14016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 14026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 14036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org StringPiece src(label, length<0 ? uprv_strlen(label) : length); 14046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org CheckedArrayByteSink sink(dest, capacity); 14056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo info; 14066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org reinterpret_cast<const IDNA *>(idna)->labelToASCII_UTF8(src, sink, info, *pErrorCode); 14076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org idnaInfoToStruct(info, pInfo); 14086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return u_terminateChars(dest, capacity, sink.NumberOfBytesAppended(), pErrorCode); 14096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 14106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 14116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI int32_t U_EXPORT2 14126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguidna_labelToUnicodeUTF8(const UIDNA *idna, 14136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char *label, int32_t length, 14146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org char *dest, int32_t capacity, 14156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNAInfo *pInfo, UErrorCode *pErrorCode) { 14166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!checkArgs(label, length, dest, capacity, pInfo, pErrorCode)) { 14176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 14186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 14196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org StringPiece src(label, length<0 ? uprv_strlen(label) : length); 14206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org CheckedArrayByteSink sink(dest, capacity); 14216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo info; 14226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org reinterpret_cast<const IDNA *>(idna)->labelToUnicodeUTF8(src, sink, info, *pErrorCode); 14236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org idnaInfoToStruct(info, pInfo); 14246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return u_terminateChars(dest, capacity, sink.NumberOfBytesAppended(), pErrorCode); 14256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 14266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 14276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI int32_t U_EXPORT2 14286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguidna_nameToASCII_UTF8(const UIDNA *idna, 14296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char *name, int32_t length, 14306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org char *dest, int32_t capacity, 14316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNAInfo *pInfo, UErrorCode *pErrorCode) { 14326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!checkArgs(name, length, dest, capacity, pInfo, pErrorCode)) { 14336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 14346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 14356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org StringPiece src(name, length<0 ? uprv_strlen(name) : length); 14366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org CheckedArrayByteSink sink(dest, capacity); 14376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo info; 14386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org reinterpret_cast<const IDNA *>(idna)->nameToASCII_UTF8(src, sink, info, *pErrorCode); 14396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org idnaInfoToStruct(info, pInfo); 14406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return u_terminateChars(dest, capacity, sink.NumberOfBytesAppended(), pErrorCode); 14416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 14426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 14436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI int32_t U_EXPORT2 14446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguidna_nameToUnicodeUTF8(const UIDNA *idna, 14456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char *name, int32_t length, 14466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org char *dest, int32_t capacity, 14476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UIDNAInfo *pInfo, UErrorCode *pErrorCode) { 14486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!checkArgs(name, length, dest, capacity, pInfo, pErrorCode)) { 14496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 14506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 14516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org StringPiece src(name, length<0 ? uprv_strlen(name) : length); 14526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org CheckedArrayByteSink sink(dest, capacity); 14536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org IDNAInfo info; 14546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org reinterpret_cast<const IDNA *>(idna)->nameToUnicodeUTF8(src, sink, info, *pErrorCode); 14556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org idnaInfoToStruct(info, pInfo); 14566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return u_terminateChars(dest, capacity, sink.NumberOfBytesAppended(), pErrorCode); 14576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 14586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 14596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#endif // UCONFIG_NO_IDNA 1460