示例#1
0
U_CAPI USet* U_EXPORT2
ulocdata_getExemplarSet(ULocaleData *uld, USet *fillIn,
                        uint32_t options, ULocaleDataExemplarSetType extype, UErrorCode *status){

    static const char* const exemplarSetTypes[] = { "ExemplarCharacters", "AuxExemplarCharacters" };
    const UChar *exemplarChars = NULL;
    int32_t len = 0;
    UErrorCode localStatus = U_ZERO_ERROR;

    if (U_FAILURE(*status))
        return NULL;

    exemplarChars = ures_getStringByKey(uld->bundle, exemplarSetTypes[extype], &len, &localStatus);
    if ( (localStatus == U_USING_DEFAULT_WARNING) && uld->noSubstitute ) {
        localStatus = U_MISSING_RESOURCE_ERROR;
    }

    if (localStatus != U_ZERO_ERROR) {
        *status = localStatus;
    }

    if (U_FAILURE(*status))
        return NULL;

    if(fillIn != NULL)
        uset_applyPattern(fillIn, exemplarChars, len,
                          USET_IGNORE_SPACE | options, status);
    else
        fillIn = uset_openPatternOptions(exemplarChars, len,
                                         USET_IGNORE_SPACE | options, status);

    return fillIn;

}
示例#2
0
U_CAPI int32_t U_EXPORT2
ucol_getUnsafeSet( const UCollator *coll,
                  USet *unsafe,
                  UErrorCode *status)
{
    UChar buffer[internalBufferSize];
    int32_t len = 0;

    uset_clear(unsafe);

    // cccpattern = "[[:^tccc=0:][:^lccc=0:]]", unfortunately variant
    static const UChar cccpattern[25] = { 0x5b, 0x5b, 0x3a, 0x5e, 0x74, 0x63, 0x63, 0x63, 0x3d, 0x30, 0x3a, 0x5d,
                                    0x5b, 0x3a, 0x5e, 0x6c, 0x63, 0x63, 0x63, 0x3d, 0x30, 0x3a, 0x5d, 0x5d, 0x00 };

    // add chars that fail the fcd check
    uset_applyPattern(unsafe, cccpattern, 24, USET_IGNORE_SPACE, status);

    // add Thai/Lao prevowels
    uset_addRange(unsafe, 0xe40, 0xe44);
    uset_addRange(unsafe, 0xec0, 0xec4);
    // add lead/trail surrogates
    uset_addRange(unsafe, 0xd800, 0xdfff);

    USet *contractions = uset_open(0,0);

    int32_t i = 0, j = 0;
    int32_t contsSize = ucol_getContractions(coll, contractions, status);
    UChar32 c = 0;
    // Contraction set consists only of strings
    // to get unsafe code points, we need to
    // break the strings apart and add them to the unsafe set
    for(i = 0; i < contsSize; i++) {
        len = uset_getItem(contractions, i, NULL, NULL, buffer, internalBufferSize, status);
        if(len > 0) {
            j = 0;
            while(j < len) {
                U16_NEXT(buffer, j, len, c);
                if(j < len) {
                    uset_add(unsafe, c);
                }
            }
        }
    }

    uset_close(contractions);

    return uset_size(unsafe);
}
示例#3
0
文件: uscanf_p.c 项目: 119120119/node
static int32_t
u_scanf_scanset_handler(UFILE       *input,
                        u_scanf_spec_info *info,
                        ufmt_args   *args,
                        const UChar *fmt,
                        int32_t     *fmtConsumed,
                        int32_t     *argConverted)
{
    USet        *scanset;
    UErrorCode  status = U_ZERO_ERROR;
    int32_t     chLeft = INT32_MAX;
    UChar32     c;
    UChar       *alias = (UChar*) (args[0].ptrValue);
    UBool       isNotEOF = FALSE;
    UBool       readCharacter = FALSE;

    /* Create an empty set */
    scanset = uset_open(0, -1);

    /* Back up one to get the [ */
    fmt--;

    /* truncate to the width, if specified and alias the target */
    if(info->fWidth >= 0) {
        chLeft = info->fWidth;
    }

    /* parse the scanset from the fmt string */
    *fmtConsumed = uset_applyPattern(scanset, fmt, -1, 0, &status);

    /* verify that the parse was successful */
    if (U_SUCCESS(status)) {
        c=0;

        /* grab characters one at a time and make sure they are in the scanset */
        while(chLeft > 0) {
            if ((isNotEOF = ufile_getch32(input, &c)) && uset_contains(scanset, c)) {
                readCharacter = TRUE;
                if (!info->fSkipArg) {
                    int32_t idx = 0;
                    UBool isError = FALSE;

                    U16_APPEND(alias, idx, chLeft, c, isError);
                    if (isError) {
                        break;
                    }
                    alias += idx;
                }
                chLeft -= (1 + U_IS_SUPPLEMENTARY(c));
            }
            else {
                /* if the character's not in the scanset, break out */
                break;
            }
        }

        /* put the final character we read back on the input */
        if(isNotEOF && chLeft > 0) {
            u_fungetc(c, input);
        }
    }

    uset_close(scanset);

    /* if we didn't match at least 1 character, fail */
    if(!readCharacter)
        return -1;
    /* otherwise, add the terminator */
    else if (!info->fSkipArg) {
        *alias = 0x00;
    }

    /* we converted 1 arg */
    *argConverted = !info->fSkipArg;
    return (info->fWidth >= 0 ? info->fWidth : INT32_MAX) - chLeft;
}