Ejemplo n.º 1
0
// This is mostly a port of the code in WebCore/editing/SmartReplaceCF.cpp
// except we use ICU instead of CoreFoundation character classes.
static USet* getSmartSet(bool isPreviousCharacter)
{
    static USet* preSmartSet = nullptr;
    static USet* postSmartSet = nullptr;
    USet* smartSet = isPreviousCharacter ? preSmartSet : postSmartSet;
    if (!smartSet) {
        // Whitespace and newline (kCFCharacterSetWhitespaceAndNewline)
        UErrorCode ec = U_ZERO_ERROR;
        String whitespaceAndNewline = ASCIILiteral("[[:WSpace:] [\\u000A\\u000B\\u000C\\u000D\\u0085]]");
        smartSet = uset_openPattern(StringView(whitespaceAndNewline).upconvertedCharacters(), whitespaceAndNewline.length(), &ec);
        ASSERT(U_SUCCESS(ec));

        // CJK ranges
        // FIXME: Looks like all these ranges include one extra character past the end.
        uset_addRange(smartSet, 0x1100, 0x1100 + 256); // Hangul Jamo (0x1100 - 0x11FF)
        uset_addRange(smartSet, 0x2E80, 0x2E80 + 352); // CJK & Kangxi Radicals (0x2E80 - 0x2FDF)
        uset_addRange(smartSet, 0x2FF0, 0x2FF0 + 464); // Ideograph Descriptions, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul Compatibility Jamo, Kanbun, & Bopomofo Ext (0x2FF0 - 0x31BF)
        uset_addRange(smartSet, 0x3200, 0x3200 + 29392); // Enclosed CJK, CJK Ideographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF)
        uset_addRange(smartSet, 0xAC00, 0xAC00 + 11183); // Hangul Syllables (0xAC00 - 0xD7AF)
        uset_addRange(smartSet, 0xF900, 0xF900 + 352); // CJK Compatibility Ideographs (0xF900 - 0xFA5F)
        uset_addRange(smartSet, 0xFE30, 0xFE30 + 32); // CJK Compatibility From (0xFE30 - 0xFE4F)
        uset_addRange(smartSet, 0xFF00, 0xFF00 + 240); // Half/Full Width Form (0xFF00 - 0xFFEF)
        uset_addRange(smartSet, 0x20000, 0x20000 + 0xA6D7); // CJK Ideograph Exntension B
        uset_addRange(smartSet, 0x2F800, 0x2F800 + 0x021E); // CJK Compatibility Ideographs (0x2F800 - 0x2FA1D)

        if (isPreviousCharacter) {
            // FIXME: Silly to convert this to a WTF::String just to loop through the characters.
            addAllCodePoints(smartSet, ASCIILiteral("([\"\'#$/-`{"));
            preSmartSet = smartSet;
        } else {
            // FIXME: Silly to convert this to a WTF::String just to loop through the characters.
            addAllCodePoints(smartSet, ASCIILiteral(")].,;:?\'!\"%*-/}"));

            // Punctuation (kCFCharacterSetPunctuation)
            UErrorCode ec = U_ZERO_ERROR;
            String punctuationClass = ASCIILiteral("[:P:]");
            USet* icuPunct = uset_openPattern(StringView(punctuationClass).upconvertedCharacters(), punctuationClass.length(), &ec);
            ASSERT(U_SUCCESS(ec));
            uset_addAll(smartSet, icuPunct);
            uset_close(icuPunct);

            postSmartSet = smartSet;
        }
    }
    return smartSet;
}
Ejemplo n.º 2
0
// This is mostly a port of the code in WebCore/editing/SmartReplaceCF.cpp
// except we use icu in place of CoreFoundations character classes.
static USet* getSmartSet(bool isPreviousCharacter)
{
    static USet* preSmartSet = nullptr;
    static USet* postSmartSet = nullptr;
    USet* smartSet = isPreviousCharacter ? preSmartSet : postSmartSet;
    if (!smartSet) {
        // Whitespace and newline (kCFCharacterSetWhitespaceAndNewline)
        UErrorCode ec = U_ZERO_ERROR;
        String whitespaceAndNewline("[[:WSpace:] [\\u000A\\u000B\\u000C\\u000D\\u0085]]");
        smartSet = uset_openPattern(whitespaceAndNewline.charactersWithNullTermination().data(), whitespaceAndNewline.length(), &ec);
        ASSERT(U_SUCCESS(ec));

        // CJK ranges
        uset_addRange(smartSet, 0x1100, 0x1100 + 256); // Hangul Jamo (0x1100 - 0x11FF)
        uset_addRange(smartSet, 0x2E80, 0x2E80 + 352); // CJK & Kangxi Radicals (0x2E80 - 0x2FDF)
        uset_addRange(smartSet, 0x2FF0, 0x2FF0 + 464); // Ideograph Descriptions, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul Compatibility Jamo, Kanbun, & Bopomofo Ext (0x2FF0 - 0x31BF)
        uset_addRange(smartSet, 0x3200, 0x3200 + 29392); // Enclosed CJK, CJK Ideographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF)
        uset_addRange(smartSet, 0xAC00, 0xAC00 + 11183); // Hangul Syllables (0xAC00 - 0xD7AF)
        uset_addRange(smartSet, 0xF900, 0xF900 + 352); // CJK Compatibility Ideographs (0xF900 - 0xFA5F)
        uset_addRange(smartSet, 0xFE30, 0xFE30 + 32); // CJK Compatibility From (0xFE30 - 0xFE4F)
        uset_addRange(smartSet, 0xFF00, 0xFF00 + 240); // Half/Full Width Form (0xFF00 - 0xFFEF)
        uset_addRange(smartSet, 0x20000, 0x20000 + 0xA6D7); // CJK Ideograph Exntension B
        uset_addRange(smartSet, 0x2F800, 0x2F800 + 0x021E); // CJK Compatibility Ideographs (0x2F800 - 0x2FA1D)

        if (isPreviousCharacter) {
            addAllCodePoints(smartSet, "([\"\'#$/-`{");
            preSmartSet = smartSet;
        } else {
            addAllCodePoints(smartSet, ")].,;:?\'!\"%*-/}");

            // Punctuation (kCFCharacterSetPunctuation)
            UErrorCode ec = U_ZERO_ERROR;
            String punctuationClass("[:P:]");
            USet* icuPunct = uset_openPattern(punctuationClass.charactersWithNullTermination().data(), punctuationClass.length(), &ec);
            ASSERT(U_SUCCESS(ec));
            uset_addAll(smartSet, icuPunct);
            uset_close(icuPunct);

            postSmartSet = smartSet;
        }
    }
    return smartSet;
}
Ejemplo n.º 3
0
/**
 * Make sure that when non-invariant chars are passed to uset_openPattern
 * they do not cause an ugly failure mode (e.g. assertion failure).
 * JB#3795.
 */
static void
TestNonInvariantPattern() {
    UErrorCode ec = U_ZERO_ERROR;
    /* The critical part of this test is that the following pattern
       must contain a non-invariant character. */
    static const char *pattern = "[:ccc!=0:]";
    UChar buf[256];
    int32_t len = u_unescape(pattern, buf, 256);
    /* This test 'fails' by having an assertion failure within the
       following call.  It passes by running to completion with no
       assertion failure. */
    USet *set = uset_openPattern(buf, len, &ec);
    uset_close(set);
}
Ejemplo n.º 4
0
static void
TestSerialized() {
    uint16_t buffer[1000];
    USerializedSet sset;
    USet *set;
    UErrorCode errorCode;
    UChar32 c;
    int32_t length;

    /* use a pattern that generates both BMP and supplementary code points */
    U_STRING_DECL(pattern, "[:Cf:]", 6);
    U_STRING_INIT(pattern, "[:Cf:]", 6);

    errorCode=U_ZERO_ERROR;
    set=uset_openPattern(pattern, -1, &errorCode);
    if(U_FAILURE(errorCode)) {
        log_data_err("uset_openPattern([:Cf:]) failed - %s (Are you missing data?)\n", u_errorName(errorCode));
        return;
    }

    length=uset_serialize(set, buffer, UPRV_LENGTHOF(buffer), &errorCode);
    if(U_FAILURE(errorCode)) {
        log_err("unable to uset_serialize([:Cf:]) - %s\n", u_errorName(errorCode));
        uset_close(set);
        return;
    }

    uset_getSerializedSet(&sset, buffer, length);
    for(c=0; c<=0x10ffff; ++c) {
        if(uset_contains(set, c)!=uset_serializedContains(&sset, c)) {
            log_err("uset_contains(U+%04x)!=uset_serializedContains(U+%04x)\n", c);
            break;
        }
    }

    uset_close(set);
}
Ejemplo n.º 5
0
Archivo: utr.c Proyecto: julp/ugrep
// cpattern is expected to be a class (= surrounded by square brackets)
USet *create_set_from_argv(const char *cpattern, UBool negate, error_t **error)
{
    USet *uset;
    UString *ustr;
    UErrorCode status;

    status = U_ZERO_ERROR;
    if (NULL == (ustr = ustring_convert_argv_from_local(cpattern, error, TRUE))) {
        return NULL;
    }
    uset = uset_openPattern(ustr->ptr, ustr->len, &status);
    if (U_FAILURE(status)) {
        ustring_destroy(ustr);
        icu_error_set(error, FATAL, status, "uset_openPattern");
        return NULL;
    }
    ustring_destroy(ustr);
    if (negate) {
        uset_complement(uset);
    }
    uset_freeze(uset);

    return uset;
}
Ejemplo n.º 6
0
void SSearchTest::monkeyTest(char *params)
{
    // ook!
    UErrorCode status = U_ZERO_ERROR;
  //UCollator *coll = ucol_open(NULL, &status);
    UCollator *coll = ucol_openFromShortString("S1", FALSE, NULL, &status);

    if (U_FAILURE(status)) {
        errcheckln(status, "Failed to create collator in MonkeyTest! - %s", u_errorName(status));
        return;
    }

    CollData  *monkeyData = new CollData(coll, status);

    USet *expansions   = uset_openEmpty();
    USet *contractions = uset_openEmpty();

    ucol_getContractionsAndExpansions(coll, contractions, expansions, FALSE, &status);

    U_STRING_DECL(letter_pattern, "[[:letter:]-[:ideographic:]-[:hangul:]]", 39);
    U_STRING_INIT(letter_pattern, "[[:letter:]-[:ideographic:]-[:hangul:]]", 39);
    USet *letters = uset_openPattern(letter_pattern, 39, &status);
    SetMonkey letterMonkey(letters);
    StringSetMonkey contractionMonkey(contractions, coll, monkeyData);
    StringSetMonkey expansionMonkey(expansions, coll, monkeyData);
    UnicodeString testCase;
    UnicodeString alternate;
    UnicodeString pattern, altPattern;
    UnicodeString prefix, altPrefix;
    UnicodeString suffix, altSuffix;

    Monkey *monkeys[] = {
        &letterMonkey,
        &contractionMonkey,
        &expansionMonkey,
        &contractionMonkey,
        &expansionMonkey,
        &contractionMonkey,
        &expansionMonkey,
        &contractionMonkey,
        &expansionMonkey};
    int32_t monkeyCount = sizeof(monkeys) / sizeof(monkeys[0]);
    // int32_t nonMatchCount = 0;

    UCollationStrength strengths[] = {UCOL_PRIMARY, UCOL_SECONDARY, UCOL_TERTIARY};
    const char *strengthNames[] = {"primary", "secondary", "tertiary"};
    int32_t strengthCount = sizeof(strengths) / sizeof(strengths[0]);
    int32_t loopCount = quick? 1000 : 10000;
    int32_t firstStrength = 0;
    int32_t lastStrength  = strengthCount - 1; //*/ 0;

    if (params != NULL) {
#if !UCONFIG_NO_REGULAR_EXPRESSIONS
        UnicodeString p(params);

        loopCount = getIntParam("loop", p, loopCount);
        m_seed    = getIntParam("seed", p, m_seed);

        RegexMatcher m(" *strength *= *(primary|secondary|tertiary) *", p, 0, status);
        if (m.find()) {
            UnicodeString breakType = m.group(1, status);

            for (int32_t s = 0; s < strengthCount; s += 1) {
                if (breakType == strengthNames[s]) {
                    firstStrength = lastStrength = s;
                    break;
                }
            }

            m.reset();
            p = m.replaceFirst("", status);
        }

        if (RegexMatcher("\\S", p, 0, status).find()) {
            // Each option is stripped out of the option string as it is processed.
            // All options have been checked.  The option string should have been completely emptied..
            char buf[100];
            p.extract(buf, sizeof(buf), NULL, status);
            buf[sizeof(buf)-1] = 0;
            errln("Unrecognized or extra parameter:  %s\n", buf);
            return;
        }
#else
        infoln("SSearchTest built with UCONFIG_NO_REGULAR_EXPRESSIONS: ignoring parameters.");
#endif
    }

    for(int32_t s = firstStrength; s <= lastStrength; s += 1) {
        int32_t notFoundCount = 0;

        logln("Setting strength to %s.", strengthNames[s]);
        ucol_setStrength(coll, strengths[s]);

        // TODO: try alternate prefix and suffix too?
        // TODO: alterntaes are only equal at primary strength. Is this OK?
        for(int32_t t = 0; t < loopCount; t += 1) {
            uint32_t seed = m_seed;
            // int32_t  nmc = 0;

            generateTestCase(coll, monkeys, monkeyCount, pattern, altPattern);
            generateTestCase(coll, monkeys, monkeyCount, prefix,  altPrefix);
            generateTestCase(coll, monkeys, monkeyCount, suffix,  altSuffix);

            // pattern
            notFoundCount += monkeyTestCase(coll, pattern, pattern, altPattern, "pattern", strengthNames[s], seed);

            testCase.remove();
            testCase.append(prefix);
            testCase.append(/*alt*/pattern);

            // prefix + pattern
            notFoundCount += monkeyTestCase(coll, testCase, pattern, altPattern, "prefix + pattern", strengthNames[s], seed);

            testCase.append(suffix);

            // prefix + pattern + suffix
            notFoundCount += monkeyTestCase(coll, testCase, pattern, altPattern, "prefix + pattern + suffix", strengthNames[s], seed);

            testCase.remove();
            testCase.append(pattern);
            testCase.append(suffix);

            // pattern + suffix
            notFoundCount += monkeyTestCase(coll, testCase, pattern, altPattern, "pattern + suffix", strengthNames[s], seed);
        }

       logln("For strength %s the not found count is %d.", strengthNames[s], notFoundCount);
    }

    uset_close(contractions);
    uset_close(expansions);
    uset_close(letters);
    delete monkeyData;

    ucol_close(coll);
}
Ejemplo n.º 7
0
CollData::CollData(UCollator *collator, UErrorCode &status)
    : coll(NULL), ceToCharsStartingWith(NULL)
{
    // [:c:] == [[:cn:][:cc:][:co:][:cf:][:cs:]]
    // i.e. other, control, private use, format, surrogate
    U_STRING_DECL(test_pattern, "[[:assigned:]-[:c:]]", 20);
    U_STRING_INIT(test_pattern, "[[:assigned:]-[:c:]]", 20);
    USet *charsToTest = uset_openPattern(test_pattern, 20, &status);

    // Han ext. A, Han, Jamo, Hangul, Han Ext. B
    // i.e. all the characers we handle implicitly
    U_STRING_DECL(remove_pattern, "[[\\u3400-\\u9FFF][\\u1100-\\u11F9][\\uAC00-\\uD7AF][\\U00020000-\\U0002A6DF]]", 70);
    U_STRING_INIT(remove_pattern, "[[\\u3400-\\u9FFF][\\u1100-\\u11F9][\\uAC00-\\uD7AF][\\U00020000-\\U0002A6DF]]", 70);
    USet *charsToRemove = uset_openPattern(remove_pattern, 70, &status);

    if (U_FAILURE(status)) {
        return;
    }

    USet *expansions   = uset_openEmpty();
    USet *contractions = uset_openEmpty();
    int32_t itemCount;

    ceToCharsStartingWith = new CEToStringsMap(status);

    if (U_FAILURE(status)) {
        goto bail;
    }

#ifdef CLONE_COLLATOR
    coll = ucol_safeClone(collator, NULL, NULL, &status);

    if (U_FAILURE(status)) {
        goto bail;
    }
#else
    coll = collator;
#endif

    ucol_getContractionsAndExpansions(coll, contractions, expansions, FALSE, &status);

    uset_addAll(charsToTest, contractions);
    uset_addAll(charsToTest, expansions);
    uset_removeAll(charsToTest, charsToRemove);

    itemCount = uset_getItemCount(charsToTest);
    for(int32_t item = 0; item < itemCount; item += 1) {
        UChar32 start = 0, end = 0;
        UChar buffer[16];
        int32_t len = uset_getItem(charsToTest, item, &start, &end,
                                   buffer, 16, &status);

        if (len == 0) {
            for (UChar32 ch = start; ch <= end; ch += 1) {
                UnicodeString *st = new UnicodeString(ch);

                if (st == NULL) {
                    status = U_MEMORY_ALLOCATION_ERROR;
                    break;
                }

                CEList *ceList = new CEList(coll, *st, status);

                ceToCharsStartingWith->put(ceList->get(0), st, status);

                delete ceList;
                delete st;
            }
        } else if (len > 0) {
            UnicodeString *st = new UnicodeString(buffer, len);

            if (st == NULL) {
                status = U_MEMORY_ALLOCATION_ERROR;
                break;
            }

            CEList *ceList = new CEList(coll, *st, status);

            ceToCharsStartingWith->put(ceList->get(0), st, status);

            delete ceList;
            delete st;
        } else {
            // shouldn't happen...
        }

        if (U_FAILURE(status)) {
             break;
        }
    }

bail:
    uset_close(contractions);
    uset_close(expansions);
    uset_close(charsToRemove);
    uset_close(charsToTest);

    if (U_FAILURE(status)) {
        return;
    }

    UnicodeSet hanRanges(UNICODE_STRING_SIMPLE("[:Unified_Ideograph:]"), status);
    if (U_FAILURE(status)) {
        return;
    }
    UnicodeSetIterator hanIter(hanRanges);
    UnicodeString hanString;
    while(hanIter.nextRange()) {
        hanString.append(hanIter.getCodepoint());
        hanString.append(hanIter.getCodepointEnd());
    }
    // TODO: Why U+11FF? The old code had an outdated UCOL_LAST_T_JAMO=0x11F9,
    // but as of Unicode 6.3 the 11xx block is filled,
    // and there are also more Jamo T at U+D7CB..U+D7FB.
    // Maybe use [:HST=T:] and look for the end of the last range?
    // Maybe use script boundary mappings instead of this code??
    UChar  jamoRanges[] = {Hangul::JAMO_L_BASE, Hangul::JAMO_V_BASE, Hangul::JAMO_T_BASE + 1, 0x11FF};
     UnicodeString jamoString(FALSE, jamoRanges, UPRV_LENGTHOF(jamoRanges));
     CEList hanList(coll, hanString, status);
     CEList jamoList(coll, jamoString, status);
     int32_t j = 0;

     if (U_FAILURE(status)) {
         return;
     }

     for (int32_t c = 0; c < jamoList.size(); c += 1) {
         uint32_t jce = jamoList[c];

         if (! isContinuation(jce)) {
             jamoLimits[j++] = jce;
         }
     }

     jamoLimits[3] += (1 << UCOL_PRIMARYORDERSHIFT);

     minHan = 0xFFFFFFFF;
     maxHan = 0;

     for(int32_t h = 0; h < hanList.size(); h += 2) {
         uint32_t han = (uint32_t) hanList[h];

         if (han < minHan) {
             minHan = han;
         }

         if (han > maxHan) {
             maxHan = han;
         }
     }

     maxHan += (1 << UCOL_PRIMARYORDERSHIFT);
}
Ejemplo n.º 8
0
/**
 * Basic API test for uset.x
 */
static void TestAPI() {
    USet* set;
    USet* set2;
    UErrorCode ec;
    
    /* [] */
    set = uset_openEmpty();
    expect(set, "", "abc{ab}", NULL);
    uset_close(set);

    set = uset_open(1, 0);
    expect(set, "", "abc{ab}", NULL);
    uset_close(set);

    set = uset_open(1, 1);
    uset_clear(set);
    expect(set, "", "abc{ab}", NULL);
    uset_close(set);

    /* [ABC] */
    set = uset_open(0x0041, 0x0043);
    expect(set, "ABC", "DEF{ab}", NULL);
    uset_close(set);

    /* [a-c{ab}] */
    ec = U_ZERO_ERROR;
    set = uset_openPattern(PAT, PAT_LEN, &ec);
    if(U_FAILURE(ec)) {
        log_err("uset_openPattern([a-c{ab}]) failed - %s\n", u_errorName(ec));
        return;
    }
    if(!uset_resemblesPattern(PAT, PAT_LEN, 0)) {
        log_err("uset_resemblesPattern of PAT failed\n");
    }
    expect(set, "abc{ab}", "def{bc}", &ec);

    /* [a-d{ab}] */
    uset_add(set, 0x64);
    expect(set, "abcd{ab}", "ef{bc}", NULL);

    /* [acd{ab}{bc}] */
    uset_remove(set, 0x62);
    uset_addString(set, STR_bc, STR_bc_LEN);
    expect(set, "acd{ab}{bc}", "bef{cd}", NULL);

    /* [acd{bc}] */
    uset_removeString(set, STR_ab, STR_ab_LEN);
    expect(set, "acd{bc}", "bfg{ab}", NULL);

    /* [^acd{bc}] */
    uset_complement(set);
    expect(set, "bef{bc}", "acd{ac}", NULL);

    /* [a-e{bc}] */
    uset_complement(set);
    uset_addRange(set, 0x0062, 0x0065);
    expect(set, "abcde{bc}", "fg{ab}", NULL);

    /* [de{bc}] */
    uset_removeRange(set, 0x0050, 0x0063);
    expect(set, "de{bc}", "bcfg{ab}", NULL);

    /* [g-l] */
    uset_set(set, 0x0067, 0x006C);
    expect(set, "ghijkl", "de{bc}", NULL);

    if (uset_indexOf(set, 0x0067) != 0) {
        log_err("uset_indexOf failed finding correct index of 'g'\n");
    }

    if (uset_charAt(set, 0) != 0x0067) {
        log_err("uset_charAt failed finding correct char 'g' at index 0\n");
    }

    /* How to test this one...? */
    uset_compact(set);

    /* [g-i] */
    uset_retain(set, 0x0067, 0x0069);
    expect(set, "ghi", "dejkl{bc}", NULL);

    /* UCHAR_ASCII_HEX_DIGIT */
    uset_applyIntPropertyValue(set, UCHAR_ASCII_HEX_DIGIT, 1, &ec);
    if(U_FAILURE(ec)) {
        log_err("uset_applyIntPropertyValue([UCHAR_ASCII_HEX_DIGIT]) failed - %s\n", u_errorName(ec));
        return;
    }
    expect(set, "0123456789ABCDEFabcdef", "GHIjkl{bc}", NULL);

    /* [ab] */
    uset_clear(set);
    uset_addAllCodePoints(set, STR_ab, STR_ab_LEN);
    expect(set, "ab", "def{ab}", NULL);
    if (uset_containsAllCodePoints(set, STR_bc, STR_bc_LEN)){
        log_err("set should not conatin all characters of \"bc\" \n");
    }

    /* [] */
    set2 = uset_open(1, 1);
    uset_clear(set2);

    /* space */
    uset_applyPropertyAlias(set2, PAT_lb, PAT_lb_LEN, VAL_SP, VAL_SP_LEN, &ec);
    expect(set2, " ", "abcdefghi{bc}", NULL);

    /* [a-c] */
    uset_set(set2, 0x0061, 0x0063);
    /* [g-i] */
    uset_set(set, 0x0067, 0x0069);

    /* [a-c g-i] */
    if (uset_containsSome(set, set2)) {
        log_err("set should not contain some of set2 yet\n");
    }
    uset_complementAll(set, set2);
    if (!uset_containsSome(set, set2)) {
        log_err("set should contain some of set2\n");
    }
    expect(set, "abcghi", "def{bc}", NULL);

    /* [g-i] */
    uset_removeAll(set, set2);
    expect(set, "ghi", "abcdef{bc}", NULL);

    /* [a-c g-i] */
    uset_addAll(set2, set);
    expect(set2, "abcghi", "def{bc}", NULL);

    /* [g-i] */
    uset_retainAll(set2, set);
    expect(set2, "ghi", "abcdef{bc}", NULL);

    uset_close(set);
    uset_close(set2);
}
Ejemplo n.º 9
0
static USet *openIDSet() {
    UErrorCode errorCode = U_ZERO_ERROR;
    U_STRING_DECL(pattern, "[:ID_Continue:]", 15);
    U_STRING_INIT(pattern, "[:ID_Continue:]", 15);
    return uset_openPattern(pattern, 15, &errorCode);
}