diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/uspoof.cpp')
| -rw-r--r-- | deps/node/deps/icu-small/source/i18n/uspoof.cpp | 829 |
1 files changed, 0 insertions, 829 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/uspoof.cpp b/deps/node/deps/icu-small/source/i18n/uspoof.cpp deleted file mode 100644 index 710adcd0..00000000 --- a/deps/node/deps/icu-small/source/i18n/uspoof.cpp +++ /dev/null @@ -1,829 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -*************************************************************************** -* Copyright (C) 2008-2015, International Business Machines Corporation -* and others. All Rights Reserved. -*************************************************************************** -* file name: uspoof.cpp -* encoding: UTF-8 -* tab size: 8 (not used) -* indentation:4 -* -* created on: 2008Feb13 -* created by: Andy Heninger -* -* Unicode Spoof Detection -*/ -#include "unicode/utypes.h" -#include "unicode/normalizer2.h" -#include "unicode/uspoof.h" -#include "unicode/ustring.h" -#include "unicode/utf16.h" -#include "cmemory.h" -#include "cstring.h" -#include "mutex.h" -#include "scriptset.h" -#include "uassert.h" -#include "ucln_in.h" -#include "uspoof_impl.h" -#include "umutex.h" - - -#if !UCONFIG_NO_NORMALIZATION - -U_NAMESPACE_USE - - -// -// Static Objects used by the spoof impl, their thread safe initialization and their cleanup. -// -static UnicodeSet *gInclusionSet = NULL; -static UnicodeSet *gRecommendedSet = NULL; -static const Normalizer2 *gNfdNormalizer = NULL; -static UInitOnce gSpoofInitStaticsOnce = U_INITONCE_INITIALIZER; - -static UBool U_CALLCONV -uspoof_cleanup(void) { - delete gInclusionSet; - gInclusionSet = NULL; - delete gRecommendedSet; - gRecommendedSet = NULL; - gNfdNormalizer = NULL; - gSpoofInitStaticsOnce.reset(); - return TRUE; -} - -static void U_CALLCONV initializeStatics(UErrorCode &status) { - static const char16_t *inclusionPat = - u"['\\-.\\:\\u00B7\\u0375\\u058A\\u05F3\\u05F4\\u06FD\\u06FE\\u0F0B\\u200C" - u"\\u200D\\u2010\\u2019\\u2027\\u30A0\\u30FB]"; - gInclusionSet = new UnicodeSet(UnicodeString(inclusionPat), status); - if (gInclusionSet == NULL) { - status = U_MEMORY_ALLOCATION_ERROR; - return; - } - gInclusionSet->freeze(); - - // Note: data from IdentifierStatus.txt & IdentifierType.txt - // There is tooling to generate this constant in the unicodetools project: - // org.unicode.text.tools.RecommendedSetGenerator - // It will print the Java and C++ code to the console for easy copy-paste into this file. - // Note: concatenated string constants do not work with UNICODE_STRING_SIMPLE on all platforms. - static const char16_t *recommendedPat = - u"[0-9A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u0131\\u0134-\\u013E" - u"\\u0141-\\u0148\\u014A-\\u017E\\u018F\\u01A0\\u01A1\\u01AF\\u01B0\\u01CD-" - u"\\u01DC\\u01DE-\\u01E3\\u01E6-\\u01F0\\u01F4\\u01F5\\u01F8-\\u021B\\u021E" - u"\\u021F\\u0226-\\u0233\\u0259\\u02BB\\u02BC\\u02EC\\u0300-\\u0304\\u0306-" - u"\\u030C\\u030F-\\u0311\\u0313\\u0314\\u031B\\u0323-\\u0328\\u032D\\u032E" - u"\\u0330\\u0331\\u0335\\u0338\\u0339\\u0342\\u0345\\u037B-\\u037D\\u0386" - u"\\u0388-\\u038A\\u038C\\u038E-\\u03A1\\u03A3-\\u03CE\\u03FC-\\u045F\\u048A-" - u"\\u0529\\u052E\\u052F\\u0531-\\u0556\\u0559\\u0560-\\u0586\\u0588\\u05B4" - u"\\u05D0-\\u05EA\\u05EF-\\u05F2\\u0620-\\u063F\\u0641-\\u0655\\u0660-\\u0669" - u"\\u0670-\\u0672\\u0674\\u0679-\\u068D\\u068F-\\u06D3\\u06D5\\u06E5\\u06E6" - u"\\u06EE-\\u06FC\\u06FF\\u0750-\\u07B1\\u08A0-\\u08AC\\u08B2\\u08B6-\\u08BD" - u"\\u0901-\\u094D\\u094F\\u0950\\u0956\\u0957\\u0960-\\u0963\\u0966-\\u096F" - u"\\u0971-\\u0977\\u0979-\\u097F\\u0981-\\u0983\\u0985-\\u098C\\u098F\\u0990" - u"\\u0993-\\u09A8\\u09AA-\\u09B0\\u09B2\\u09B6-\\u09B9\\u09BC-\\u09C4\\u09C7" - u"\\u09C8\\u09CB-\\u09CE\\u09D7\\u09E0-\\u09E3\\u09E6-\\u09F1\\u09FC\\u09FE" - u"\\u0A01-\\u0A03\\u0A05-\\u0A0A\\u0A0F\\u0A10\\u0A13-\\u0A28\\u0A2A-\\u0A30" - u"\\u0A32\\u0A35\\u0A38\\u0A39\\u0A3C\\u0A3E-\\u0A42\\u0A47\\u0A48\\u0A4B-" - u"\\u0A4D\\u0A5C\\u0A66-\\u0A74\\u0A81-\\u0A83\\u0A85-\\u0A8D\\u0A8F-\\u0A91" - u"\\u0A93-\\u0AA8\\u0AAA-\\u0AB0\\u0AB2\\u0AB3\\u0AB5-\\u0AB9\\u0ABC-\\u0AC5" - u"\\u0AC7-\\u0AC9\\u0ACB-\\u0ACD\\u0AD0\\u0AE0-\\u0AE3\\u0AE6-\\u0AEF\\u0AFA-" - u"\\u0AFF\\u0B01-\\u0B03\\u0B05-\\u0B0C\\u0B0F\\u0B10\\u0B13-\\u0B28\\u0B2A-" - u"\\u0B30\\u0B32\\u0B33\\u0B35-\\u0B39\\u0B3C-\\u0B43\\u0B47\\u0B48\\u0B4B-" - u"\\u0B4D\\u0B56\\u0B57\\u0B5F-\\u0B61\\u0B66-\\u0B6F\\u0B71\\u0B82\\u0B83" - u"\\u0B85-\\u0B8A\\u0B8E-\\u0B90\\u0B92-\\u0B95\\u0B99\\u0B9A\\u0B9C\\u0B9E" - u"\\u0B9F\\u0BA3\\u0BA4\\u0BA8-\\u0BAA\\u0BAE-\\u0BB9\\u0BBE-\\u0BC2\\u0BC6-" - u"\\u0BC8\\u0BCA-\\u0BCD\\u0BD0\\u0BD7\\u0BE6-\\u0BEF\\u0C01-\\u0C0C\\u0C0E-" - u"\\u0C10\\u0C12-\\u0C28\\u0C2A-\\u0C33\\u0C35-\\u0C39\\u0C3D-\\u0C44\\u0C46-" - u"\\u0C48\\u0C4A-\\u0C4D\\u0C55\\u0C56\\u0C60\\u0C61\\u0C66-\\u0C6F\\u0C80" - u"\\u0C82\\u0C83\\u0C85-\\u0C8C\\u0C8E-\\u0C90\\u0C92-\\u0CA8\\u0CAA-\\u0CB3" - u"\\u0CB5-\\u0CB9\\u0CBC-\\u0CC4\\u0CC6-\\u0CC8\\u0CCA-\\u0CCD\\u0CD5\\u0CD6" - u"\\u0CE0-\\u0CE3\\u0CE6-\\u0CEF\\u0CF1\\u0CF2\\u0D00\\u0D02\\u0D03\\u0D05-" - u"\\u0D0C\\u0D0E-\\u0D10\\u0D12-\\u0D43\\u0D46-\\u0D48\\u0D4A-\\u0D4E\\u0D54-" - u"\\u0D57\\u0D60\\u0D61\\u0D66-\\u0D6F\\u0D7A-\\u0D7F\\u0D82\\u0D83\\u0D85-" - u"\\u0D8E\\u0D91-\\u0D96\\u0D9A-\\u0DA5\\u0DA7-\\u0DB1\\u0DB3-\\u0DBB\\u0DBD" - u"\\u0DC0-\\u0DC6\\u0DCA\\u0DCF-\\u0DD4\\u0DD6\\u0DD8-\\u0DDE\\u0DF2\\u0E01-" - u"\\u0E32\\u0E34-\\u0E3A\\u0E40-\\u0E4E\\u0E50-\\u0E59\\u0E81\\u0E82\\u0E84" - u"\\u0E87\\u0E88\\u0E8A\\u0E8D\\u0E94-\\u0E97\\u0E99-\\u0E9F\\u0EA1-\\u0EA3" - u"\\u0EA5\\u0EA7\\u0EAA\\u0EAB\\u0EAD-\\u0EB2\\u0EB4-\\u0EB9\\u0EBB-\\u0EBD" - u"\\u0EC0-\\u0EC4\\u0EC6\\u0EC8-\\u0ECD\\u0ED0-\\u0ED9\\u0EDE\\u0EDF\\u0F00" - u"\\u0F20-\\u0F29\\u0F35\\u0F37\\u0F3E-\\u0F42\\u0F44-\\u0F47\\u0F49-\\u0F4C" - u"\\u0F4E-\\u0F51\\u0F53-\\u0F56\\u0F58-\\u0F5B\\u0F5D-\\u0F68\\u0F6A-\\u0F6C" - u"\\u0F71\\u0F72\\u0F74\\u0F7A-\\u0F80\\u0F82-\\u0F84\\u0F86-\\u0F92\\u0F94-" - u"\\u0F97\\u0F99-\\u0F9C\\u0F9E-\\u0FA1\\u0FA3-\\u0FA6\\u0FA8-\\u0FAB\\u0FAD-" - u"\\u0FB8\\u0FBA-\\u0FBC\\u0FC6\\u1000-\\u1049\\u1050-\\u109D\\u10C7\\u10CD" - u"\\u10D0-\\u10F0\\u10F7-\\u10FA\\u10FD-\\u10FF\\u1200-\\u1248\\u124A-\\u124D" - u"\\u1250-\\u1256\\u1258\\u125A-\\u125D\\u1260-\\u1288\\u128A-\\u128D\\u1290-" - u"\\u12B0\\u12B2-\\u12B5\\u12B8-\\u12BE\\u12C0\\u12C2-\\u12C5\\u12C8-\\u12D6" - u"\\u12D8-\\u1310\\u1312-\\u1315\\u1318-\\u135A\\u135D-\\u135F\\u1380-\\u138F" - u"\\u1780-\\u17A2\\u17A5-\\u17A7\\u17A9-\\u17B3\\u17B6-\\u17CA\\u17D2\\u17D7" - u"\\u17DC\\u17E0-\\u17E9\\u1C80-\\u1C88\\u1C90-\\u1CBA\\u1CBD-\\u1CBF\\u1E00-" - u"\\u1E99\\u1E9E\\u1EA0-\\u1EF9\\u1F00-\\u1F15\\u1F18-\\u1F1D\\u1F20-\\u1F45" - u"\\u1F48-\\u1F4D\\u1F50-\\u1F57\\u1F59\\u1F5B\\u1F5D\\u1F5F-\\u1F70\\u1F72" - u"\\u1F74\\u1F76\\u1F78\\u1F7A\\u1F7C\\u1F80-\\u1FB4\\u1FB6-\\u1FBA\\u1FBC" - u"\\u1FC2-\\u1FC4\\u1FC6-\\u1FC8\\u1FCA\\u1FCC\\u1FD0-\\u1FD2\\u1FD6-\\u1FDA" - u"\\u1FE0-\\u1FE2\\u1FE4-\\u1FEA\\u1FEC\\u1FF2-\\u1FF4\\u1FF6-\\u1FF8\\u1FFA" - u"\\u1FFC\\u2D27\\u2D2D\\u2D80-\\u2D96\\u2DA0-\\u2DA6\\u2DA8-\\u2DAE\\u2DB0-" - u"\\u2DB6\\u2DB8-\\u2DBE\\u2DC0-\\u2DC6\\u2DC8-\\u2DCE\\u2DD0-\\u2DD6\\u2DD8-" - u"\\u2DDE\\u3005-\\u3007\\u3041-\\u3096\\u3099\\u309A\\u309D\\u309E\\u30A1-" - u"\\u30FA\\u30FC-\\u30FE\\u3105-\\u312F\\u31A0-\\u31BA\\u3400-\\u4DB5\\u4E00-" - u"\\u9FEF\\uA660\\uA661\\uA674-\\uA67B\\uA67F\\uA69F\\uA717-\\uA71F\\uA788" - u"\\uA78D\\uA78E\\uA790-\\uA793\\uA7A0-\\uA7AA\\uA7AE\\uA7AF\\uA7B8\\uA7B9" - u"\\uA7FA\\uA9E7-\\uA9FE\\uAA60-\\uAA76\\uAA7A-\\uAA7F\\uAB01-\\uAB06\\uAB09-" - u"\\uAB0E\\uAB11-\\uAB16\\uAB20-\\uAB26\\uAB28-\\uAB2E\\uAC00-\\uD7A3\\uFA0E" - u"\\uFA0F\\uFA11\\uFA13\\uFA14\\uFA1F\\uFA21\\uFA23\\uFA24\\uFA27-\\uFA29" - u"\\U0001133B\\U0001B002-\\U0001B11E\\U00020000-\\U0002A6D6\\U0002A700-" - u"\\U0002B734\\U0002B740-\\U0002B81D\\U0002B820-\\U0002CEA1\\U0002CEB0-" - u"\\U0002EBE0]"; - - gRecommendedSet = new UnicodeSet(UnicodeString(recommendedPat), status); - if (gRecommendedSet == NULL) { - status = U_MEMORY_ALLOCATION_ERROR; - delete gInclusionSet; - return; - } - gRecommendedSet->freeze(); - gNfdNormalizer = Normalizer2::getNFDInstance(status); - ucln_i18n_registerCleanup(UCLN_I18N_SPOOF, uspoof_cleanup); -} - -U_CFUNC void uspoof_internalInitStatics(UErrorCode *status) { - umtx_initOnce(gSpoofInitStaticsOnce, &initializeStatics, *status); -} - -U_CAPI USpoofChecker * U_EXPORT2 -uspoof_open(UErrorCode *status) { - umtx_initOnce(gSpoofInitStaticsOnce, &initializeStatics, *status); - if (U_FAILURE(*status)) { - return NULL; - } - SpoofImpl *si = new SpoofImpl(*status); - if (si == NULL) { - *status = U_MEMORY_ALLOCATION_ERROR; - return NULL; - } - if (U_FAILURE(*status)) { - delete si; - return NULL; - } - return si->asUSpoofChecker(); -} - - -U_CAPI USpoofChecker * U_EXPORT2 -uspoof_openFromSerialized(const void *data, int32_t length, int32_t *pActualLength, - UErrorCode *status) { - if (U_FAILURE(*status)) { - return NULL; - } - - if (data == NULL) { - *status = U_ILLEGAL_ARGUMENT_ERROR; - return NULL; - } - - umtx_initOnce(gSpoofInitStaticsOnce, &initializeStatics, *status); - if (U_FAILURE(*status)) - { - return NULL; - } - - SpoofData *sd = new SpoofData(data, length, *status); - if (sd == NULL) { - *status = U_MEMORY_ALLOCATION_ERROR; - return NULL; - } - - if (U_FAILURE(*status)) { - delete sd; - return NULL; - } - - SpoofImpl *si = new SpoofImpl(sd, *status); - if (si == NULL) { - *status = U_MEMORY_ALLOCATION_ERROR; - delete sd; // explicit delete as the destructor for si won't be called. - return NULL; - } - - if (U_FAILURE(*status)) { - delete si; // no delete for sd, as the si destructor will delete it. - return NULL; - } - - if (pActualLength != NULL) { - *pActualLength = sd->size(); - } - return si->asUSpoofChecker(); -} - - -U_CAPI USpoofChecker * U_EXPORT2 -uspoof_clone(const USpoofChecker *sc, UErrorCode *status) { - const SpoofImpl *src = SpoofImpl::validateThis(sc, *status); - if (src == NULL) { - return NULL; - } - SpoofImpl *result = new SpoofImpl(*src, *status); // copy constructor - if (result == NULL) { - *status = U_MEMORY_ALLOCATION_ERROR; - return NULL; - } - if (U_FAILURE(*status)) { - delete result; - result = NULL; - } - return result->asUSpoofChecker(); -} - - -U_CAPI void U_EXPORT2 -uspoof_close(USpoofChecker *sc) { - UErrorCode status = U_ZERO_ERROR; - SpoofImpl *This = SpoofImpl::validateThis(sc, status); - delete This; -} - - -U_CAPI void U_EXPORT2 -uspoof_setChecks(USpoofChecker *sc, int32_t checks, UErrorCode *status) { - SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (This == NULL) { - return; - } - - // Verify that the requested checks are all ones (bits) that - // are acceptable, known values. - if (checks & ~(USPOOF_ALL_CHECKS | USPOOF_AUX_INFO)) { - *status = U_ILLEGAL_ARGUMENT_ERROR; - return; - } - - This->fChecks = checks; -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_getChecks(const USpoofChecker *sc, UErrorCode *status) { - const SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (This == NULL) { - return 0; - } - return This->fChecks; -} - -U_CAPI void U_EXPORT2 -uspoof_setRestrictionLevel(USpoofChecker *sc, URestrictionLevel restrictionLevel) { - UErrorCode status = U_ZERO_ERROR; - SpoofImpl *This = SpoofImpl::validateThis(sc, status); - if (This != NULL) { - This->fRestrictionLevel = restrictionLevel; - This->fChecks |= USPOOF_RESTRICTION_LEVEL; - } -} - -U_CAPI URestrictionLevel U_EXPORT2 -uspoof_getRestrictionLevel(const USpoofChecker *sc) { - UErrorCode status = U_ZERO_ERROR; - const SpoofImpl *This = SpoofImpl::validateThis(sc, status); - if (This == NULL) { - return USPOOF_UNRESTRICTIVE; - } - return This->fRestrictionLevel; -} - -U_CAPI void U_EXPORT2 -uspoof_setAllowedLocales(USpoofChecker *sc, const char *localesList, UErrorCode *status) { - SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (This == NULL) { - return; - } - This->setAllowedLocales(localesList, *status); -} - -U_CAPI const char * U_EXPORT2 -uspoof_getAllowedLocales(USpoofChecker *sc, UErrorCode *status) { - SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (This == NULL) { - return NULL; - } - return This->getAllowedLocales(*status); -} - - -U_CAPI const USet * U_EXPORT2 -uspoof_getAllowedChars(const USpoofChecker *sc, UErrorCode *status) { - const UnicodeSet *result = uspoof_getAllowedUnicodeSet(sc, status); - return result->toUSet(); -} - -U_CAPI const UnicodeSet * U_EXPORT2 -uspoof_getAllowedUnicodeSet(const USpoofChecker *sc, UErrorCode *status) { - const SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (This == NULL) { - return NULL; - } - return This->fAllowedCharsSet; -} - - -U_CAPI void U_EXPORT2 -uspoof_setAllowedChars(USpoofChecker *sc, const USet *chars, UErrorCode *status) { - const UnicodeSet *set = UnicodeSet::fromUSet(chars); - uspoof_setAllowedUnicodeSet(sc, set, status); -} - - -U_CAPI void U_EXPORT2 -uspoof_setAllowedUnicodeSet(USpoofChecker *sc, const UnicodeSet *chars, UErrorCode *status) { - SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (This == NULL) { - return; - } - if (chars->isBogus()) { - *status = U_ILLEGAL_ARGUMENT_ERROR; - return; - } - UnicodeSet *clonedSet = static_cast<UnicodeSet *>(chars->clone()); - if (clonedSet == NULL || clonedSet->isBogus()) { - *status = U_MEMORY_ALLOCATION_ERROR; - return; - } - clonedSet->freeze(); - delete This->fAllowedCharsSet; - This->fAllowedCharsSet = clonedSet; - This->fChecks |= USPOOF_CHAR_LIMIT; -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_check(const USpoofChecker *sc, - const UChar *id, int32_t length, - int32_t *position, - UErrorCode *status) { - - // Backwards compatibility: - if (position != NULL) { - *position = 0; - } - - // Delegate to uspoof_check2 - return uspoof_check2(sc, id, length, NULL, status); -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_check2(const USpoofChecker *sc, - const UChar* id, int32_t length, - USpoofCheckResult* checkResult, - UErrorCode *status) { - - const SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (This == NULL) { - return 0; - } - if (length < -1) { - *status = U_ILLEGAL_ARGUMENT_ERROR; - return 0; - } - UnicodeString idStr((length == -1), id, length); // Aliasing constructor. - int32_t result = uspoof_check2UnicodeString(sc, idStr, checkResult, status); - return result; -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_checkUTF8(const USpoofChecker *sc, - const char *id, int32_t length, - int32_t *position, - UErrorCode *status) { - - // Backwards compatibility: - if (position != NULL) { - *position = 0; - } - - // Delegate to uspoof_check2 - return uspoof_check2UTF8(sc, id, length, NULL, status); -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_check2UTF8(const USpoofChecker *sc, - const char *id, int32_t length, - USpoofCheckResult* checkResult, - UErrorCode *status) { - - if (U_FAILURE(*status)) { - return 0; - } - UnicodeString idStr = UnicodeString::fromUTF8(StringPiece(id, length>=0 ? length : static_cast<int32_t>(uprv_strlen(id)))); - int32_t result = uspoof_check2UnicodeString(sc, idStr, checkResult, status); - return result; -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_areConfusable(const USpoofChecker *sc, - const UChar *id1, int32_t length1, - const UChar *id2, int32_t length2, - UErrorCode *status) { - SpoofImpl::validateThis(sc, *status); - if (U_FAILURE(*status)) { - return 0; - } - if (length1 < -1 || length2 < -1) { - *status = U_ILLEGAL_ARGUMENT_ERROR; - return 0; - } - - UnicodeString id1Str((length1==-1), id1, length1); // Aliasing constructor - UnicodeString id2Str((length2==-1), id2, length2); // Aliasing constructor - return uspoof_areConfusableUnicodeString(sc, id1Str, id2Str, status); -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_areConfusableUTF8(const USpoofChecker *sc, - const char *id1, int32_t length1, - const char *id2, int32_t length2, - UErrorCode *status) { - SpoofImpl::validateThis(sc, *status); - if (U_FAILURE(*status)) { - return 0; - } - if (length1 < -1 || length2 < -1) { - *status = U_ILLEGAL_ARGUMENT_ERROR; - return 0; - } - UnicodeString id1Str = UnicodeString::fromUTF8(StringPiece(id1, length1>=0? length1 : static_cast<int32_t>(uprv_strlen(id1)))); - UnicodeString id2Str = UnicodeString::fromUTF8(StringPiece(id2, length2>=0? length2 : static_cast<int32_t>(uprv_strlen(id2)))); - int32_t results = uspoof_areConfusableUnicodeString(sc, id1Str, id2Str, status); - return results; -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_areConfusableUnicodeString(const USpoofChecker *sc, - const icu::UnicodeString &id1, - const icu::UnicodeString &id2, - UErrorCode *status) { - const SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (U_FAILURE(*status)) { - return 0; - } - // - // See section 4 of UAX 39 for the algorithm for checking whether two strings are confusable, - // and for definitions of the types (single, whole, mixed-script) of confusables. - - // We only care about a few of the check flags. Ignore the others. - // If no tests relavant to this function have been specified, return an error. - // TODO: is this really the right thing to do? It's probably an error on the caller's part, - // but logically we would just return 0 (no error). - if ((This->fChecks & USPOOF_CONFUSABLE) == 0) { - *status = U_INVALID_STATE_ERROR; - return 0; - } - - // Compute the skeletons and check for confusability. - UnicodeString id1Skeleton; - uspoof_getSkeletonUnicodeString(sc, 0 /* deprecated */, id1, id1Skeleton, status); - UnicodeString id2Skeleton; - uspoof_getSkeletonUnicodeString(sc, 0 /* deprecated */, id2, id2Skeleton, status); - if (U_FAILURE(*status)) { return 0; } - if (id1Skeleton != id2Skeleton) { - return 0; - } - - // If we get here, the strings are confusable. Now we just need to set the flags for the appropriate classes - // of confusables according to UTS 39 section 4. - // Start by computing the resolved script sets of id1 and id2. - ScriptSet id1RSS; - This->getResolvedScriptSet(id1, id1RSS, *status); - ScriptSet id2RSS; - This->getResolvedScriptSet(id2, id2RSS, *status); - - // Turn on all applicable flags - int32_t result = 0; - if (id1RSS.intersects(id2RSS)) { - result |= USPOOF_SINGLE_SCRIPT_CONFUSABLE; - } else { - result |= USPOOF_MIXED_SCRIPT_CONFUSABLE; - if (!id1RSS.isEmpty() && !id2RSS.isEmpty()) { - result |= USPOOF_WHOLE_SCRIPT_CONFUSABLE; - } - } - - // Turn off flags that the user doesn't want - if ((This->fChecks & USPOOF_SINGLE_SCRIPT_CONFUSABLE) == 0) { - result &= ~USPOOF_SINGLE_SCRIPT_CONFUSABLE; - } - if ((This->fChecks & USPOOF_MIXED_SCRIPT_CONFUSABLE) == 0) { - result &= ~USPOOF_MIXED_SCRIPT_CONFUSABLE; - } - if ((This->fChecks & USPOOF_WHOLE_SCRIPT_CONFUSABLE) == 0) { - result &= ~USPOOF_WHOLE_SCRIPT_CONFUSABLE; - } - - return result; -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_checkUnicodeString(const USpoofChecker *sc, - const icu::UnicodeString &id, - int32_t *position, - UErrorCode *status) { - - // Backwards compatibility: - if (position != NULL) { - *position = 0; - } - - // Delegate to uspoof_check2 - return uspoof_check2UnicodeString(sc, id, NULL, status); -} - -int32_t checkImpl(const SpoofImpl* This, const UnicodeString& id, CheckResult* checkResult, UErrorCode* status) { - U_ASSERT(This != NULL); - U_ASSERT(checkResult != NULL); - checkResult->clear(); - int32_t result = 0; - - if (0 != (This->fChecks & USPOOF_RESTRICTION_LEVEL)) { - URestrictionLevel idRestrictionLevel = This->getRestrictionLevel(id, *status); - if (idRestrictionLevel > This->fRestrictionLevel) { - result |= USPOOF_RESTRICTION_LEVEL; - } - checkResult->fRestrictionLevel = idRestrictionLevel; - } - - if (0 != (This->fChecks & USPOOF_MIXED_NUMBERS)) { - UnicodeSet numerics; - This->getNumerics(id, numerics, *status); - if (numerics.size() > 1) { - result |= USPOOF_MIXED_NUMBERS; - } - checkResult->fNumerics = numerics; // UnicodeSet::operator= - } - - if (0 != (This->fChecks & USPOOF_HIDDEN_OVERLAY)) { - int32_t index = This->findHiddenOverlay(id, *status); - if (index != -1) { - result |= USPOOF_HIDDEN_OVERLAY; - } - } - - - if (0 != (This->fChecks & USPOOF_CHAR_LIMIT)) { - int32_t i; - UChar32 c; - int32_t length = id.length(); - for (i=0; i<length ;) { - c = id.char32At(i); - i += U16_LENGTH(c); - if (!This->fAllowedCharsSet->contains(c)) { - result |= USPOOF_CHAR_LIMIT; - break; - } - } - } - - if (0 != (This->fChecks & USPOOF_INVISIBLE)) { - // This check needs to be done on NFD input - UnicodeString nfdText; - gNfdNormalizer->normalize(id, nfdText, *status); - int32_t nfdLength = nfdText.length(); - - // scan for more than one occurence of the same non-spacing mark - // in a sequence of non-spacing marks. - int32_t i; - UChar32 c; - UChar32 firstNonspacingMark = 0; - UBool haveMultipleMarks = FALSE; - UnicodeSet marksSeenSoFar; // Set of combining marks in a single combining sequence. - - for (i=0; i<nfdLength ;) { - c = nfdText.char32At(i); - i += U16_LENGTH(c); - if (u_charType(c) != U_NON_SPACING_MARK) { - firstNonspacingMark = 0; - if (haveMultipleMarks) { - marksSeenSoFar.clear(); - haveMultipleMarks = FALSE; - } - continue; - } - if (firstNonspacingMark == 0) { - firstNonspacingMark = c; - continue; - } - if (!haveMultipleMarks) { - marksSeenSoFar.add(firstNonspacingMark); - haveMultipleMarks = TRUE; - } - if (marksSeenSoFar.contains(c)) { - // report the error, and stop scanning. - // No need to find more than the first failure. - result |= USPOOF_INVISIBLE; - break; - } - marksSeenSoFar.add(c); - } - } - - checkResult->fChecks = result; - return checkResult->toCombinedBitmask(This->fChecks); -} - -U_CAPI int32_t U_EXPORT2 -uspoof_check2UnicodeString(const USpoofChecker *sc, - const icu::UnicodeString &id, - USpoofCheckResult* checkResult, - UErrorCode *status) { - const SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (This == NULL) { - return FALSE; - } - - if (checkResult != NULL) { - CheckResult* ThisCheckResult = CheckResult::validateThis(checkResult, *status); - if (ThisCheckResult == NULL) { - return FALSE; - } - return checkImpl(This, id, ThisCheckResult, status); - } else { - // Stack-allocate the checkResult since this method doesn't return it - CheckResult stackCheckResult; - return checkImpl(This, id, &stackCheckResult, status); - } -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_getSkeleton(const USpoofChecker *sc, - uint32_t type, - const UChar *id, int32_t length, - UChar *dest, int32_t destCapacity, - UErrorCode *status) { - - SpoofImpl::validateThis(sc, *status); - if (U_FAILURE(*status)) { - return 0; - } - if (length<-1 || destCapacity<0 || (destCapacity==0 && dest!=NULL)) { - *status = U_ILLEGAL_ARGUMENT_ERROR; - return 0; - } - - UnicodeString idStr((length==-1), id, length); // Aliasing constructor - UnicodeString destStr; - uspoof_getSkeletonUnicodeString(sc, type, idStr, destStr, status); - destStr.extract(dest, destCapacity, *status); - return destStr.length(); -} - - - -U_I18N_API UnicodeString & U_EXPORT2 -uspoof_getSkeletonUnicodeString(const USpoofChecker *sc, - uint32_t /*type*/, - const UnicodeString &id, - UnicodeString &dest, - UErrorCode *status) { - const SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (U_FAILURE(*status)) { - return dest; - } - - UnicodeString nfdId; - gNfdNormalizer->normalize(id, nfdId, *status); - - // Apply the skeleton mapping to the NFD normalized input string - // Accumulate the skeleton, possibly unnormalized, in a UnicodeString. - int32_t inputIndex = 0; - UnicodeString skelStr; - int32_t normalizedLen = nfdId.length(); - for (inputIndex=0; inputIndex < normalizedLen; ) { - UChar32 c = nfdId.char32At(inputIndex); - inputIndex += U16_LENGTH(c); - This->fSpoofData->confusableLookup(c, skelStr); - } - - gNfdNormalizer->normalize(skelStr, dest, *status); - return dest; -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_getSkeletonUTF8(const USpoofChecker *sc, - uint32_t type, - const char *id, int32_t length, - char *dest, int32_t destCapacity, - UErrorCode *status) { - SpoofImpl::validateThis(sc, *status); - if (U_FAILURE(*status)) { - return 0; - } - if (length<-1 || destCapacity<0 || (destCapacity==0 && dest!=NULL)) { - *status = U_ILLEGAL_ARGUMENT_ERROR; - return 0; - } - - UnicodeString srcStr = UnicodeString::fromUTF8(StringPiece(id, length>=0 ? length : static_cast<int32_t>(uprv_strlen(id)))); - UnicodeString destStr; - uspoof_getSkeletonUnicodeString(sc, type, srcStr, destStr, status); - if (U_FAILURE(*status)) { - return 0; - } - - int32_t lengthInUTF8 = 0; - u_strToUTF8(dest, destCapacity, &lengthInUTF8, - destStr.getBuffer(), destStr.length(), status); - return lengthInUTF8; -} - - -U_CAPI int32_t U_EXPORT2 -uspoof_serialize(USpoofChecker *sc,void *buf, int32_t capacity, UErrorCode *status) { - SpoofImpl *This = SpoofImpl::validateThis(sc, *status); - if (This == NULL) { - U_ASSERT(U_FAILURE(*status)); - return 0; - } - - return This->fSpoofData->serialize(buf, capacity, *status); -} - -U_CAPI const USet * U_EXPORT2 -uspoof_getInclusionSet(UErrorCode *status) { - umtx_initOnce(gSpoofInitStaticsOnce, &initializeStatics, *status); - return gInclusionSet->toUSet(); -} - -U_CAPI const USet * U_EXPORT2 -uspoof_getRecommendedSet(UErrorCode *status) { - umtx_initOnce(gSpoofInitStaticsOnce, &initializeStatics, *status); - return gRecommendedSet->toUSet(); -} - -U_I18N_API const UnicodeSet * U_EXPORT2 -uspoof_getInclusionUnicodeSet(UErrorCode *status) { - umtx_initOnce(gSpoofInitStaticsOnce, &initializeStatics, *status); - return gInclusionSet; -} - -U_I18N_API const UnicodeSet * U_EXPORT2 -uspoof_getRecommendedUnicodeSet(UErrorCode *status) { - umtx_initOnce(gSpoofInitStaticsOnce, &initializeStatics, *status); - return gRecommendedSet; -} - -//------------------ -// CheckResult APIs -//------------------ - -U_CAPI USpoofCheckResult* U_EXPORT2 -uspoof_openCheckResult(UErrorCode *status) { - CheckResult* checkResult = new CheckResult(); - if (checkResult == NULL) { - *status = U_MEMORY_ALLOCATION_ERROR; - return NULL; - } - return checkResult->asUSpoofCheckResult(); -} - -U_CAPI void U_EXPORT2 -uspoof_closeCheckResult(USpoofCheckResult* checkResult) { - UErrorCode status = U_ZERO_ERROR; - CheckResult* This = CheckResult::validateThis(checkResult, status); - delete This; -} - -U_CAPI int32_t U_EXPORT2 -uspoof_getCheckResultChecks(const USpoofCheckResult *checkResult, UErrorCode *status) { - const CheckResult* This = CheckResult::validateThis(checkResult, *status); - if (U_FAILURE(*status)) { return 0; } - return This->fChecks; -} - -U_CAPI URestrictionLevel U_EXPORT2 -uspoof_getCheckResultRestrictionLevel(const USpoofCheckResult *checkResult, UErrorCode *status) { - const CheckResult* This = CheckResult::validateThis(checkResult, *status); - if (U_FAILURE(*status)) { return USPOOF_UNRESTRICTIVE; } - return This->fRestrictionLevel; -} - -U_CAPI const USet* U_EXPORT2 -uspoof_getCheckResultNumerics(const USpoofCheckResult *checkResult, UErrorCode *status) { - const CheckResult* This = CheckResult::validateThis(checkResult, *status); - if (U_FAILURE(*status)) { return NULL; } - return This->fNumerics.toUSet(); -} - - - -#endif // !UCONFIG_NO_NORMALIZATION |