intl/icu/source/i18n/udat.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/intl/icu/source/i18n/udat.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,1071 @@
     1.4 +/*
     1.5 +*******************************************************************************
     1.6 +*   Copyright (C) 1996-2013, International Business Machines
     1.7 +*   Corporation and others.  All Rights Reserved.
     1.8 +*******************************************************************************
     1.9 +*/
    1.10 +
    1.11 +#include "unicode/utypes.h"
    1.12 +
    1.13 +#if !UCONFIG_NO_FORMATTING
    1.14 +
    1.15 +#include "unicode/udat.h"
    1.16 +
    1.17 +#include "unicode/uloc.h"
    1.18 +#include "unicode/datefmt.h"
    1.19 +#include "unicode/timezone.h"
    1.20 +#include "unicode/smpdtfmt.h"
    1.21 +#include "unicode/fieldpos.h"
    1.22 +#include "unicode/parsepos.h"
    1.23 +#include "unicode/calendar.h"
    1.24 +#include "unicode/numfmt.h"
    1.25 +#include "unicode/dtfmtsym.h"
    1.26 +#include "unicode/ustring.h"
    1.27 +#include "unicode/udisplaycontext.h"
    1.28 +#include "cpputils.h"
    1.29 +#include "reldtfmt.h"
    1.30 +#include "umutex.h"
    1.31 +
    1.32 +U_NAMESPACE_USE
    1.33 +
    1.34 +/**
    1.35 + * Verify that fmt is a SimpleDateFormat. Invalid error if not.
    1.36 + * @param fmt the UDateFormat, definitely a DateFormat, maybe something else
    1.37 + * @param status error code, will be set to failure if there is a familure or the fmt is NULL.
    1.38 + */
    1.39 +static void verifyIsSimpleDateFormat(const UDateFormat* fmt, UErrorCode *status) {
    1.40 +   if(U_SUCCESS(*status) &&
    1.41 +       dynamic_cast<const SimpleDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))==NULL) {
    1.42 +       *status = U_ILLEGAL_ARGUMENT_ERROR;
    1.43 +   }
    1.44 +}
    1.45 +
    1.46 +// This mirrors the correspondence between the
    1.47 +// SimpleDateFormat::fgPatternIndexToDateFormatField and
    1.48 +// SimpleDateFormat::fgPatternIndexToCalendarField arrays.
    1.49 +static UCalendarDateFields gDateFieldMapping[] = {
    1.50 +    UCAL_ERA,                  // UDAT_ERA_FIELD = 0
    1.51 +    UCAL_YEAR,                 // UDAT_YEAR_FIELD = 1
    1.52 +    UCAL_MONTH,                // UDAT_MONTH_FIELD = 2
    1.53 +    UCAL_DATE,                 // UDAT_DATE_FIELD = 3
    1.54 +    UCAL_HOUR_OF_DAY,          // UDAT_HOUR_OF_DAY1_FIELD = 4
    1.55 +    UCAL_HOUR_OF_DAY,          // UDAT_HOUR_OF_DAY0_FIELD = 5
    1.56 +    UCAL_MINUTE,               // UDAT_MINUTE_FIELD = 6
    1.57 +    UCAL_SECOND,               // UDAT_SECOND_FIELD = 7
    1.58 +    UCAL_MILLISECOND,          // UDAT_FRACTIONAL_SECOND_FIELD = 8
    1.59 +    UCAL_DAY_OF_WEEK,          // UDAT_DAY_OF_WEEK_FIELD = 9
    1.60 +    UCAL_DAY_OF_YEAR,          // UDAT_DAY_OF_YEAR_FIELD = 10
    1.61 +    UCAL_DAY_OF_WEEK_IN_MONTH, // UDAT_DAY_OF_WEEK_IN_MONTH_FIELD = 11
    1.62 +    UCAL_WEEK_OF_YEAR,         // UDAT_WEEK_OF_YEAR_FIELD = 12
    1.63 +    UCAL_WEEK_OF_MONTH,        // UDAT_WEEK_OF_MONTH_FIELD = 13
    1.64 +    UCAL_AM_PM,                // UDAT_AM_PM_FIELD = 14
    1.65 +    UCAL_HOUR,                 // UDAT_HOUR1_FIELD = 15
    1.66 +    UCAL_HOUR,                 // UDAT_HOUR0_FIELD = 16
    1.67 +    UCAL_ZONE_OFFSET,          // UDAT_TIMEZONE_FIELD = 17
    1.68 +    UCAL_YEAR_WOY,             // UDAT_YEAR_WOY_FIELD = 18
    1.69 +    UCAL_DOW_LOCAL,            // UDAT_DOW_LOCAL_FIELD = 19
    1.70 +    UCAL_EXTENDED_YEAR,        // UDAT_EXTENDED_YEAR_FIELD = 20
    1.71 +    UCAL_JULIAN_DAY,           // UDAT_JULIAN_DAY_FIELD = 21
    1.72 +    UCAL_MILLISECONDS_IN_DAY,  // UDAT_MILLISECONDS_IN_DAY_FIELD = 22
    1.73 +    UCAL_ZONE_OFFSET,          // UDAT_TIMEZONE_RFC_FIELD = 23
    1.74 +    // UCAL_DST_OFFSET also
    1.75 +    UCAL_ZONE_OFFSET,          // UDAT_TIMEZONE_GENERIC_FIELD = 24
    1.76 +    UCAL_DOW_LOCAL,            // UDAT_STANDALONE_DAY_FIELD = 25
    1.77 +    UCAL_MONTH,                // UDAT_STANDALONE_MONTH_FIELD = 26
    1.78 +    UCAL_MONTH,                // UDAT_QUARTER_FIELD = 27
    1.79 +    UCAL_MONTH,                // UDAT_STANDALONE_QUARTER_FIELD = 28
    1.80 +    UCAL_ZONE_OFFSET,          // UDAT_TIMEZONE_SPECIAL_FIELD = 29
    1.81 +    UCAL_YEAR,                 // UDAT_YEAR_NAME_FIELD = 30
    1.82 +    UCAL_FIELD_COUNT,          // UDAT_FIELD_COUNT = 31
    1.83 +    // UCAL_IS_LEAP_MONTH is not the target of a mapping
    1.84 +};
    1.85 +
    1.86 +U_CAPI UCalendarDateFields U_EXPORT2
    1.87 +udat_toCalendarDateField(UDateFormatField field) {
    1.88 +  return gDateFieldMapping[field];
    1.89 +}
    1.90 +
    1.91 +/* For now- one opener. */
    1.92 +static UDateFormatOpener gOpener = NULL;
    1.93 +
    1.94 +U_INTERNAL void U_EXPORT2
    1.95 +udat_registerOpener(UDateFormatOpener opener, UErrorCode *status)
    1.96 +{
    1.97 +  if(U_FAILURE(*status)) return;
    1.98 +  umtx_lock(NULL);
    1.99 +  if(gOpener==NULL) {
   1.100 +    gOpener = opener;
   1.101 +  } else {
   1.102 +    *status = U_ILLEGAL_ARGUMENT_ERROR;
   1.103 +  }
   1.104 +  umtx_unlock(NULL);
   1.105 +}
   1.106 +
   1.107 +U_INTERNAL UDateFormatOpener U_EXPORT2
   1.108 +udat_unregisterOpener(UDateFormatOpener opener, UErrorCode *status)
   1.109 +{
   1.110 +  if(U_FAILURE(*status)) return NULL;
   1.111 +  UDateFormatOpener oldOpener = NULL;
   1.112 +  umtx_lock(NULL);
   1.113 +  if(gOpener==NULL || gOpener!=opener) {
   1.114 +    *status = U_ILLEGAL_ARGUMENT_ERROR;
   1.115 +  } else {
   1.116 +    oldOpener=gOpener;
   1.117 +    gOpener=NULL;
   1.118 +  }
   1.119 +  umtx_unlock(NULL);
   1.120 +  return oldOpener;
   1.121 +}
   1.122 +
   1.123 +
   1.124 +
   1.125 +U_CAPI UDateFormat* U_EXPORT2
   1.126 +udat_open(UDateFormatStyle  timeStyle,
   1.127 +          UDateFormatStyle  dateStyle,
   1.128 +          const char        *locale,
   1.129 +          const UChar       *tzID,
   1.130 +          int32_t           tzIDLength,
   1.131 +          const UChar       *pattern,
   1.132 +          int32_t           patternLength,
   1.133 +          UErrorCode        *status)
   1.134 +{
   1.135 +    DateFormat *fmt;
   1.136 +    if(U_FAILURE(*status)) {
   1.137 +        return 0;
   1.138 +    }
   1.139 +    if(gOpener!=NULL) { // if it's registered
   1.140 +      fmt = (DateFormat*) (*gOpener)(timeStyle,dateStyle,locale,tzID,tzIDLength,pattern,patternLength,status);
   1.141 +      if(fmt!=NULL) {
   1.142 +        return (UDateFormat*)fmt;
   1.143 +      } // else fall through.
   1.144 +    }
   1.145 +    if(timeStyle != UDAT_PATTERN) {
   1.146 +        if(locale == 0) {
   1.147 +            fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle,
   1.148 +                (DateFormat::EStyle)timeStyle);
   1.149 +        }
   1.150 +        else {
   1.151 +            fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle,
   1.152 +                (DateFormat::EStyle)timeStyle,
   1.153 +                Locale(locale));
   1.154 +        }
   1.155 +    }
   1.156 +    else {
   1.157 +        UnicodeString pat((UBool)(patternLength == -1), pattern, patternLength);
   1.158 +
   1.159 +        if(locale == 0) {
   1.160 +            fmt = new SimpleDateFormat(pat, *status);
   1.161 +        }
   1.162 +        else {
   1.163 +            fmt = new SimpleDateFormat(pat, Locale(locale), *status);
   1.164 +        }
   1.165 +    }
   1.166 +
   1.167 +    if(fmt == 0) {
   1.168 +        *status = U_MEMORY_ALLOCATION_ERROR;
   1.169 +        return 0;
   1.170 +    }
   1.171 +
   1.172 +    if(tzID != 0) {
   1.173 +        TimeZone *zone = TimeZone::createTimeZone(UnicodeString((UBool)(tzIDLength == -1), tzID, tzIDLength));
   1.174 +        if(zone == 0) {
   1.175 +            *status = U_MEMORY_ALLOCATION_ERROR;
   1.176 +            delete fmt;
   1.177 +            return 0;
   1.178 +        }
   1.179 +        fmt->adoptTimeZone(zone);
   1.180 +    }
   1.181 +
   1.182 +    return (UDateFormat*)fmt;
   1.183 +}
   1.184 +
   1.185 +
   1.186 +U_CAPI void U_EXPORT2
   1.187 +udat_close(UDateFormat* format)
   1.188 +{
   1.189 +    delete (DateFormat*)format;
   1.190 +}
   1.191 +
   1.192 +U_CAPI UDateFormat* U_EXPORT2
   1.193 +udat_clone(const UDateFormat *fmt,
   1.194 +       UErrorCode *status)
   1.195 +{
   1.196 +    if(U_FAILURE(*status)) return 0;
   1.197 +
   1.198 +    Format *res = ((DateFormat*)fmt)->clone();
   1.199 +
   1.200 +    if(res == 0) {
   1.201 +        *status = U_MEMORY_ALLOCATION_ERROR;
   1.202 +        return 0;
   1.203 +    }
   1.204 +
   1.205 +    return (UDateFormat*) res;
   1.206 +}
   1.207 +
   1.208 +U_CAPI int32_t U_EXPORT2
   1.209 +udat_format(    const    UDateFormat*    format,
   1.210 +        UDate           dateToFormat,
   1.211 +        UChar*          result,
   1.212 +        int32_t         resultLength,
   1.213 +        UFieldPosition* position,
   1.214 +        UErrorCode*     status)
   1.215 +{
   1.216 +    if(U_FAILURE(*status)) return -1;
   1.217 +
   1.218 +    UnicodeString res;
   1.219 +    if(!(result==NULL && resultLength==0)) {
   1.220 +        // NULL destination for pure preflighting: empty dummy string
   1.221 +        // otherwise, alias the destination buffer
   1.222 +        res.setTo(result, 0, resultLength);
   1.223 +    }
   1.224 +
   1.225 +    FieldPosition fp;
   1.226 +
   1.227 +    if(position != 0)
   1.228 +        fp.setField(position->field);
   1.229 +
   1.230 +    ((DateFormat*)format)->format(dateToFormat, res, fp);
   1.231 +
   1.232 +    if(position != 0) {
   1.233 +        position->beginIndex = fp.getBeginIndex();
   1.234 +        position->endIndex = fp.getEndIndex();
   1.235 +    }
   1.236 +
   1.237 +    return res.extract(result, resultLength, *status);
   1.238 +}
   1.239 +
   1.240 +U_CAPI UDate U_EXPORT2
   1.241 +udat_parse(    const    UDateFormat*        format,
   1.242 +        const    UChar*          text,
   1.243 +        int32_t         textLength,
   1.244 +        int32_t         *parsePos,
   1.245 +        UErrorCode      *status)
   1.246 +{
   1.247 +    if(U_FAILURE(*status)) return (UDate)0;
   1.248 +
   1.249 +    const UnicodeString src((UBool)(textLength == -1), text, textLength);
   1.250 +    ParsePosition pp;
   1.251 +    int32_t stackParsePos = 0;
   1.252 +    UDate res;
   1.253 +
   1.254 +    if(parsePos == NULL) {
   1.255 +        parsePos = &stackParsePos;
   1.256 +    }
   1.257 +
   1.258 +    pp.setIndex(*parsePos);
   1.259 +
   1.260 +    res = ((DateFormat*)format)->parse(src, pp);
   1.261 +
   1.262 +    if(pp.getErrorIndex() == -1)
   1.263 +        *parsePos = pp.getIndex();
   1.264 +    else {
   1.265 +        *parsePos = pp.getErrorIndex();
   1.266 +        *status = U_PARSE_ERROR;
   1.267 +    }
   1.268 +
   1.269 +    return res;
   1.270 +}
   1.271 +
   1.272 +U_CAPI void U_EXPORT2
   1.273 +udat_parseCalendar(const    UDateFormat*    format,
   1.274 +                            UCalendar*      calendar,
   1.275 +                   const    UChar*          text,
   1.276 +                            int32_t         textLength,
   1.277 +                            int32_t         *parsePos,
   1.278 +                            UErrorCode      *status)
   1.279 +{
   1.280 +    if(U_FAILURE(*status)) return;
   1.281 +
   1.282 +    const UnicodeString src((UBool)(textLength == -1), text, textLength);
   1.283 +    ParsePosition pp;
   1.284 +
   1.285 +    if(parsePos != 0)
   1.286 +        pp.setIndex(*parsePos);
   1.287 +
   1.288 +    ((DateFormat*)format)->parse(src, *(Calendar*)calendar, pp);
   1.289 +
   1.290 +    if(parsePos != 0) {
   1.291 +        if(pp.getErrorIndex() == -1)
   1.292 +            *parsePos = pp.getIndex();
   1.293 +        else {
   1.294 +            *parsePos = pp.getErrorIndex();
   1.295 +            *status = U_PARSE_ERROR;
   1.296 +        }
   1.297 +    }
   1.298 +}
   1.299 +
   1.300 +U_CAPI UBool U_EXPORT2
   1.301 +udat_isLenient(const UDateFormat* fmt)
   1.302 +{
   1.303 +    return ((DateFormat*)fmt)->isLenient();
   1.304 +}
   1.305 +
   1.306 +U_CAPI void U_EXPORT2
   1.307 +udat_setLenient(    UDateFormat*    fmt,
   1.308 +            UBool          isLenient)
   1.309 +{
   1.310 +    ((DateFormat*)fmt)->setLenient(isLenient);
   1.311 +}
   1.312 +
   1.313 +U_CAPI const UCalendar* U_EXPORT2
   1.314 +udat_getCalendar(const UDateFormat* fmt)
   1.315 +{
   1.316 +    return (const UCalendar*) ((DateFormat*)fmt)->getCalendar();
   1.317 +}
   1.318 +
   1.319 +U_CAPI void U_EXPORT2
   1.320 +udat_setCalendar(UDateFormat*    fmt,
   1.321 +                 const   UCalendar*      calendarToSet)
   1.322 +{
   1.323 +    ((DateFormat*)fmt)->setCalendar(*((Calendar*)calendarToSet));
   1.324 +}
   1.325 +
   1.326 +U_CAPI const UNumberFormat* U_EXPORT2
   1.327 +udat_getNumberFormat(const UDateFormat* fmt)
   1.328 +{
   1.329 +    return (const UNumberFormat*) ((DateFormat*)fmt)->getNumberFormat();
   1.330 +}
   1.331 +
   1.332 +U_CAPI void U_EXPORT2
   1.333 +udat_setNumberFormat(UDateFormat*    fmt,
   1.334 +                     const   UNumberFormat*  numberFormatToSet)
   1.335 +{
   1.336 +    ((DateFormat*)fmt)->setNumberFormat(*((NumberFormat*)numberFormatToSet));
   1.337 +}
   1.338 +
   1.339 +U_CAPI const char* U_EXPORT2
   1.340 +udat_getAvailable(int32_t index)
   1.341 +{
   1.342 +    return uloc_getAvailable(index);
   1.343 +}
   1.344 +
   1.345 +U_CAPI int32_t U_EXPORT2
   1.346 +udat_countAvailable()
   1.347 +{
   1.348 +    return uloc_countAvailable();
   1.349 +}
   1.350 +
   1.351 +U_CAPI UDate U_EXPORT2
   1.352 +udat_get2DigitYearStart(    const   UDateFormat     *fmt,
   1.353 +                        UErrorCode      *status)
   1.354 +{
   1.355 +    verifyIsSimpleDateFormat(fmt, status);
   1.356 +    if(U_FAILURE(*status)) return (UDate)0;
   1.357 +    return ((SimpleDateFormat*)fmt)->get2DigitYearStart(*status);
   1.358 +}
   1.359 +
   1.360 +U_CAPI void U_EXPORT2
   1.361 +udat_set2DigitYearStart(    UDateFormat     *fmt,
   1.362 +                        UDate           d,
   1.363 +                        UErrorCode      *status)
   1.364 +{
   1.365 +    verifyIsSimpleDateFormat(fmt, status);
   1.366 +    if(U_FAILURE(*status)) return;
   1.367 +    ((SimpleDateFormat*)fmt)->set2DigitYearStart(d, *status);
   1.368 +}
   1.369 +
   1.370 +U_CAPI int32_t U_EXPORT2
   1.371 +udat_toPattern(    const   UDateFormat     *fmt,
   1.372 +        UBool          localized,
   1.373 +        UChar           *result,
   1.374 +        int32_t         resultLength,
   1.375 +        UErrorCode      *status)
   1.376 +{
   1.377 +    if(U_FAILURE(*status)) return -1;
   1.378 +
   1.379 +    UnicodeString res;
   1.380 +    if(!(result==NULL && resultLength==0)) {
   1.381 +        // NULL destination for pure preflighting: empty dummy string
   1.382 +        // otherwise, alias the destination buffer
   1.383 +        res.setTo(result, 0, resultLength);
   1.384 +    }
   1.385 +
   1.386 +    const DateFormat *df=reinterpret_cast<const DateFormat *>(fmt);
   1.387 +    const SimpleDateFormat *sdtfmt=dynamic_cast<const SimpleDateFormat *>(df);
   1.388 +    const RelativeDateFormat *reldtfmt;
   1.389 +    if (sdtfmt!=NULL) {
   1.390 +        if(localized)
   1.391 +            sdtfmt->toLocalizedPattern(res, *status);
   1.392 +        else
   1.393 +            sdtfmt->toPattern(res);
   1.394 +    } else if (!localized && (reldtfmt=dynamic_cast<const RelativeDateFormat *>(df))!=NULL) {
   1.395 +        reldtfmt->toPattern(res, *status);
   1.396 +    } else {
   1.397 +        *status = U_ILLEGAL_ARGUMENT_ERROR;
   1.398 +        return -1;
   1.399 +    }
   1.400 +
   1.401 +    return res.extract(result, resultLength, *status);
   1.402 +}
   1.403 +
   1.404 +// TODO: should this take an UErrorCode?
   1.405 +// A: Yes. Of course.
   1.406 +U_CAPI void U_EXPORT2
   1.407 +udat_applyPattern(  UDateFormat     *format,
   1.408 +                    UBool          localized,
   1.409 +                    const   UChar           *pattern,
   1.410 +                    int32_t         patternLength)
   1.411 +{
   1.412 +    const UnicodeString pat((UBool)(patternLength == -1), pattern, patternLength);
   1.413 +    UErrorCode status = U_ZERO_ERROR;
   1.414 +
   1.415 +    verifyIsSimpleDateFormat(format, &status);
   1.416 +    if(U_FAILURE(status)) {
   1.417 +        return;
   1.418 +    }
   1.419 +    
   1.420 +    if(localized)
   1.421 +        ((SimpleDateFormat*)format)->applyLocalizedPattern(pat, status);
   1.422 +    else
   1.423 +        ((SimpleDateFormat*)format)->applyPattern(pat);
   1.424 +}
   1.425 +
   1.426 +U_CAPI int32_t U_EXPORT2
   1.427 +udat_getSymbols(const   UDateFormat     *fmt,
   1.428 +                UDateFormatSymbolType   type,
   1.429 +                int32_t                 index,
   1.430 +                UChar                   *result,
   1.431 +                int32_t                 resultLength,
   1.432 +                UErrorCode              *status)
   1.433 +{
   1.434 +    const DateFormatSymbols *syms;
   1.435 +    const SimpleDateFormat* sdtfmt;
   1.436 +    const RelativeDateFormat* rdtfmt;
   1.437 +    if ((sdtfmt = dynamic_cast<const SimpleDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))) != NULL) {
   1.438 +        syms = sdtfmt->getDateFormatSymbols();
   1.439 +    } else if ((rdtfmt = dynamic_cast<const RelativeDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))) != NULL) {
   1.440 +        syms = rdtfmt->getDateFormatSymbols();
   1.441 +    } else {
   1.442 +        return -1;
   1.443 +    }
   1.444 +    int32_t count;
   1.445 +    const UnicodeString *res = NULL;
   1.446 +
   1.447 +    switch(type) {
   1.448 +    case UDAT_ERAS:
   1.449 +        res = syms->getEras(count);
   1.450 +        break;
   1.451 +
   1.452 +    case UDAT_ERA_NAMES:
   1.453 +        res = syms->getEraNames(count);
   1.454 +        break;
   1.455 +
   1.456 +    case UDAT_MONTHS:
   1.457 +        res = syms->getMonths(count);
   1.458 +        break;
   1.459 +
   1.460 +    case UDAT_SHORT_MONTHS:
   1.461 +        res = syms->getShortMonths(count);
   1.462 +        break;
   1.463 +
   1.464 +    case UDAT_WEEKDAYS:
   1.465 +        res = syms->getWeekdays(count);
   1.466 +        break;
   1.467 +
   1.468 +    case UDAT_SHORT_WEEKDAYS:
   1.469 +        res = syms->getShortWeekdays(count);
   1.470 +        break;
   1.471 +
   1.472 +    case UDAT_AM_PMS:
   1.473 +        res = syms->getAmPmStrings(count);
   1.474 +        break;
   1.475 +
   1.476 +    case UDAT_LOCALIZED_CHARS:
   1.477 +        {
   1.478 +            UnicodeString res1;
   1.479 +            if(!(result==NULL && resultLength==0)) {
   1.480 +                // NULL destination for pure preflighting: empty dummy string
   1.481 +                // otherwise, alias the destination buffer
   1.482 +                res1.setTo(result, 0, resultLength);
   1.483 +            }
   1.484 +            syms->getLocalPatternChars(res1);
   1.485 +            return res1.extract(result, resultLength, *status);
   1.486 +        }
   1.487 +
   1.488 +    case UDAT_NARROW_MONTHS:
   1.489 +        res = syms->getMonths(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW);
   1.490 +        break;
   1.491 +
   1.492 +    case UDAT_SHORTER_WEEKDAYS:
   1.493 +        res = syms->getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::SHORT);
   1.494 +        break;
   1.495 +
   1.496 +    case UDAT_NARROW_WEEKDAYS:
   1.497 +        res = syms->getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW);
   1.498 +        break;
   1.499 +
   1.500 +    case UDAT_STANDALONE_MONTHS:
   1.501 +        res = syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE);
   1.502 +        break;
   1.503 +
   1.504 +    case UDAT_STANDALONE_SHORT_MONTHS:
   1.505 +        res = syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED);
   1.506 +        break;
   1.507 +
   1.508 +    case UDAT_STANDALONE_NARROW_MONTHS:
   1.509 +        res = syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW);
   1.510 +        break;
   1.511 +
   1.512 +    case UDAT_STANDALONE_WEEKDAYS:
   1.513 +        res = syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE);
   1.514 +        break;
   1.515 +
   1.516 +    case UDAT_STANDALONE_SHORT_WEEKDAYS:
   1.517 +        res = syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED);
   1.518 +        break;
   1.519 +
   1.520 +    case UDAT_STANDALONE_SHORTER_WEEKDAYS:
   1.521 +        res = syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::SHORT);
   1.522 +        break;
   1.523 +
   1.524 +    case UDAT_STANDALONE_NARROW_WEEKDAYS:
   1.525 +        res = syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW);
   1.526 +        break;
   1.527 +
   1.528 +    case UDAT_QUARTERS:
   1.529 +        res = syms->getQuarters(count, DateFormatSymbols::FORMAT, DateFormatSymbols::WIDE);
   1.530 +        break;
   1.531 +
   1.532 +    case UDAT_SHORT_QUARTERS:
   1.533 +        res = syms->getQuarters(count, DateFormatSymbols::FORMAT, DateFormatSymbols::ABBREVIATED);
   1.534 +        break;
   1.535 +
   1.536 +    case UDAT_STANDALONE_QUARTERS:
   1.537 +        res = syms->getQuarters(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE);
   1.538 +        break;
   1.539 +
   1.540 +    case UDAT_STANDALONE_SHORT_QUARTERS:
   1.541 +        res = syms->getQuarters(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED);
   1.542 +        break;
   1.543 +
   1.544 +    }
   1.545 +
   1.546 +    if(index < count) {
   1.547 +        return res[index].extract(result, resultLength, *status);
   1.548 +    }
   1.549 +    return 0;
   1.550 +}
   1.551 +
   1.552 +// TODO: also needs an errorCode.
   1.553 +U_CAPI int32_t U_EXPORT2
   1.554 +udat_countSymbols(    const    UDateFormat                *fmt,
   1.555 +            UDateFormatSymbolType    type)
   1.556 +{
   1.557 +    const DateFormatSymbols *syms;
   1.558 +    const SimpleDateFormat* sdtfmt;
   1.559 +    const RelativeDateFormat* rdtfmt;
   1.560 +    if ((sdtfmt = dynamic_cast<const SimpleDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))) != NULL) {
   1.561 +        syms = sdtfmt->getDateFormatSymbols();
   1.562 +    } else if ((rdtfmt = dynamic_cast<const RelativeDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))) != NULL) {
   1.563 +        syms = rdtfmt->getDateFormatSymbols();
   1.564 +    } else {
   1.565 +        return 0;
   1.566 +    }
   1.567 +    int32_t count = 0;
   1.568 +
   1.569 +    switch(type) {
   1.570 +    case UDAT_ERAS:
   1.571 +        syms->getEras(count);
   1.572 +        break;
   1.573 +
   1.574 +    case UDAT_MONTHS:
   1.575 +        syms->getMonths(count);
   1.576 +        break;
   1.577 +
   1.578 +    case UDAT_SHORT_MONTHS:
   1.579 +        syms->getShortMonths(count);
   1.580 +        break;
   1.581 +
   1.582 +    case UDAT_WEEKDAYS:
   1.583 +        syms->getWeekdays(count);
   1.584 +        break;
   1.585 +
   1.586 +    case UDAT_SHORT_WEEKDAYS:
   1.587 +        syms->getShortWeekdays(count);
   1.588 +        break;
   1.589 +
   1.590 +    case UDAT_AM_PMS:
   1.591 +        syms->getAmPmStrings(count);
   1.592 +        break;
   1.593 +
   1.594 +    case UDAT_LOCALIZED_CHARS:
   1.595 +        count = 1;
   1.596 +        break;
   1.597 +
   1.598 +    case UDAT_ERA_NAMES:
   1.599 +        syms->getEraNames(count);
   1.600 +        break;
   1.601 +
   1.602 +    case UDAT_NARROW_MONTHS:
   1.603 +        syms->getMonths(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW);
   1.604 +        break;
   1.605 +
   1.606 +    case UDAT_SHORTER_WEEKDAYS:
   1.607 +        syms->getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::SHORT);
   1.608 +        break;
   1.609 +
   1.610 +    case UDAT_NARROW_WEEKDAYS:
   1.611 +        syms->getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW);
   1.612 +        break;
   1.613 +
   1.614 +    case UDAT_STANDALONE_MONTHS:
   1.615 +        syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE);
   1.616 +        break;
   1.617 +
   1.618 +    case UDAT_STANDALONE_SHORT_MONTHS:
   1.619 +        syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED);
   1.620 +        break;
   1.621 +
   1.622 +    case UDAT_STANDALONE_NARROW_MONTHS:
   1.623 +        syms->getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW);
   1.624 +        break;
   1.625 +
   1.626 +    case UDAT_STANDALONE_WEEKDAYS:
   1.627 +        syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE);
   1.628 +        break;
   1.629 +
   1.630 +    case UDAT_STANDALONE_SHORT_WEEKDAYS:
   1.631 +        syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED);
   1.632 +        break;
   1.633 +
   1.634 +    case UDAT_STANDALONE_SHORTER_WEEKDAYS:
   1.635 +        syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::SHORT);
   1.636 +        break;
   1.637 +
   1.638 +    case UDAT_STANDALONE_NARROW_WEEKDAYS:
   1.639 +        syms->getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW);
   1.640 +        break;
   1.641 +
   1.642 +    case UDAT_QUARTERS:
   1.643 +        syms->getQuarters(count, DateFormatSymbols::FORMAT, DateFormatSymbols::WIDE);
   1.644 +        break;
   1.645 +
   1.646 +    case UDAT_SHORT_QUARTERS:
   1.647 +        syms->getQuarters(count, DateFormatSymbols::FORMAT, DateFormatSymbols::ABBREVIATED);
   1.648 +        break;
   1.649 +
   1.650 +    case UDAT_STANDALONE_QUARTERS:
   1.651 +        syms->getQuarters(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE);
   1.652 +        break;
   1.653 +
   1.654 +    case UDAT_STANDALONE_SHORT_QUARTERS:
   1.655 +        syms->getQuarters(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED);
   1.656 +        break;
   1.657 +
   1.658 +    }
   1.659 +
   1.660 +    return count;
   1.661 +}
   1.662 +
   1.663 +U_NAMESPACE_BEGIN
   1.664 +
   1.665 +/*
   1.666 + * This DateFormatSymbolsSingleSetter class is a friend of DateFormatSymbols
   1.667 + * solely for the purpose of avoiding to clone the array of strings
   1.668 + * just to modify one of them and then setting all of them back.
   1.669 + * For example, the old code looked like this:
   1.670 + *  case UDAT_MONTHS:
   1.671 + *    res = syms->getMonths(count);
   1.672 + *    array = new UnicodeString[count];
   1.673 + *    if(array == 0) {
   1.674 + *      *status = U_MEMORY_ALLOCATION_ERROR;
   1.675 + *      return;
   1.676 + *    }
   1.677 + *    uprv_arrayCopy(res, array, count);
   1.678 + *    if(index < count)
   1.679 + *      array[index] = val;
   1.680 + *    syms->setMonths(array, count);
   1.681 + *    break;
   1.682 + *
   1.683 + * Even worse, the old code actually cloned the entire DateFormatSymbols object,
   1.684 + * cloned one value array, changed one value, and then made the SimpleDateFormat
   1.685 + * replace its DateFormatSymbols object with the new one.
   1.686 + *
   1.687 + * markus 2002-oct-14
   1.688 + */
   1.689 +class DateFormatSymbolsSingleSetter /* not : public UObject because all methods are static */ {
   1.690 +public:
   1.691 +    static void
   1.692 +        setSymbol(UnicodeString *array, int32_t count, int32_t index,
   1.693 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.694 +    {
   1.695 +        if(array!=NULL) {
   1.696 +            if(index>=count) {
   1.697 +                errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
   1.698 +            } else if(value==NULL) {
   1.699 +                errorCode=U_ILLEGAL_ARGUMENT_ERROR;
   1.700 +            } else {
   1.701 +                array[index].setTo(value, valueLength);
   1.702 +            }
   1.703 +        }
   1.704 +    }
   1.705 +
   1.706 +    static void
   1.707 +        setEra(DateFormatSymbols *syms, int32_t index,
   1.708 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.709 +    {
   1.710 +        setSymbol(syms->fEras, syms->fErasCount, index, value, valueLength, errorCode);
   1.711 +    }
   1.712 +
   1.713 +    static void
   1.714 +        setEraName(DateFormatSymbols *syms, int32_t index,
   1.715 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.716 +    {
   1.717 +        setSymbol(syms->fEraNames, syms->fEraNamesCount, index, value, valueLength, errorCode);
   1.718 +    }
   1.719 +
   1.720 +    static void
   1.721 +        setMonth(DateFormatSymbols *syms, int32_t index,
   1.722 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.723 +    {
   1.724 +        setSymbol(syms->fMonths, syms->fMonthsCount, index, value, valueLength, errorCode);
   1.725 +    }
   1.726 +
   1.727 +    static void
   1.728 +        setShortMonth(DateFormatSymbols *syms, int32_t index,
   1.729 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.730 +    {
   1.731 +        setSymbol(syms->fShortMonths, syms->fShortMonthsCount, index, value, valueLength, errorCode);
   1.732 +    }
   1.733 +
   1.734 +    static void
   1.735 +        setNarrowMonth(DateFormatSymbols *syms, int32_t index,
   1.736 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.737 +    {
   1.738 +        setSymbol(syms->fNarrowMonths, syms->fNarrowMonthsCount, index, value, valueLength, errorCode);
   1.739 +    }
   1.740 +
   1.741 +    static void
   1.742 +        setStandaloneMonth(DateFormatSymbols *syms, int32_t index,
   1.743 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.744 +    {
   1.745 +        setSymbol(syms->fStandaloneMonths, syms->fStandaloneMonthsCount, index, value, valueLength, errorCode);
   1.746 +    }
   1.747 +
   1.748 +    static void
   1.749 +        setStandaloneShortMonth(DateFormatSymbols *syms, int32_t index,
   1.750 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.751 +    {
   1.752 +        setSymbol(syms->fStandaloneShortMonths, syms->fStandaloneShortMonthsCount, index, value, valueLength, errorCode);
   1.753 +    }
   1.754 +
   1.755 +    static void
   1.756 +        setStandaloneNarrowMonth(DateFormatSymbols *syms, int32_t index,
   1.757 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.758 +    {
   1.759 +        setSymbol(syms->fStandaloneNarrowMonths, syms->fStandaloneNarrowMonthsCount, index, value, valueLength, errorCode);
   1.760 +    }
   1.761 +
   1.762 +    static void
   1.763 +        setWeekday(DateFormatSymbols *syms, int32_t index,
   1.764 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.765 +    {
   1.766 +        setSymbol(syms->fWeekdays, syms->fWeekdaysCount, index, value, valueLength, errorCode);
   1.767 +    }
   1.768 +
   1.769 +    static void
   1.770 +        setShortWeekday(DateFormatSymbols *syms, int32_t index,
   1.771 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.772 +    {
   1.773 +        setSymbol(syms->fShortWeekdays, syms->fShortWeekdaysCount, index, value, valueLength, errorCode);
   1.774 +    }
   1.775 +
   1.776 +    static void
   1.777 +        setShorterWeekday(DateFormatSymbols *syms, int32_t index,
   1.778 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.779 +    {
   1.780 +        setSymbol(syms->fShorterWeekdays, syms->fShorterWeekdaysCount, index, value, valueLength, errorCode);
   1.781 +    }
   1.782 +
   1.783 +    static void
   1.784 +        setNarrowWeekday(DateFormatSymbols *syms, int32_t index,
   1.785 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.786 +    {
   1.787 +        setSymbol(syms->fNarrowWeekdays, syms->fNarrowWeekdaysCount, index, value, valueLength, errorCode);
   1.788 +    }
   1.789 +
   1.790 +    static void
   1.791 +        setStandaloneWeekday(DateFormatSymbols *syms, int32_t index,
   1.792 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.793 +    {
   1.794 +        setSymbol(syms->fStandaloneWeekdays, syms->fStandaloneWeekdaysCount, index, value, valueLength, errorCode);
   1.795 +    }
   1.796 +
   1.797 +    static void
   1.798 +        setStandaloneShortWeekday(DateFormatSymbols *syms, int32_t index,
   1.799 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.800 +    {
   1.801 +        setSymbol(syms->fStandaloneShortWeekdays, syms->fStandaloneShortWeekdaysCount, index, value, valueLength, errorCode);
   1.802 +    }
   1.803 +
   1.804 +    static void
   1.805 +        setStandaloneShorterWeekday(DateFormatSymbols *syms, int32_t index,
   1.806 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.807 +    {
   1.808 +        setSymbol(syms->fStandaloneShorterWeekdays, syms->fStandaloneShorterWeekdaysCount, index, value, valueLength, errorCode);
   1.809 +    }
   1.810 +
   1.811 +    static void
   1.812 +        setStandaloneNarrowWeekday(DateFormatSymbols *syms, int32_t index,
   1.813 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.814 +    {
   1.815 +        setSymbol(syms->fStandaloneNarrowWeekdays, syms->fStandaloneNarrowWeekdaysCount, index, value, valueLength, errorCode);
   1.816 +    }
   1.817 +
   1.818 +    static void
   1.819 +        setQuarter(DateFormatSymbols *syms, int32_t index,
   1.820 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.821 +    {
   1.822 +        setSymbol(syms->fQuarters, syms->fQuartersCount, index, value, valueLength, errorCode);
   1.823 +    }
   1.824 +
   1.825 +    static void
   1.826 +        setShortQuarter(DateFormatSymbols *syms, int32_t index,
   1.827 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.828 +    {
   1.829 +        setSymbol(syms->fShortQuarters, syms->fShortQuartersCount, index, value, valueLength, errorCode);
   1.830 +    }
   1.831 +
   1.832 +    static void
   1.833 +        setStandaloneQuarter(DateFormatSymbols *syms, int32_t index,
   1.834 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.835 +    {
   1.836 +        setSymbol(syms->fStandaloneQuarters, syms->fStandaloneQuartersCount, index, value, valueLength, errorCode);
   1.837 +    }
   1.838 +
   1.839 +    static void
   1.840 +        setStandaloneShortQuarter(DateFormatSymbols *syms, int32_t index,
   1.841 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.842 +    {
   1.843 +        setSymbol(syms->fStandaloneShortQuarters, syms->fStandaloneShortQuartersCount, index, value, valueLength, errorCode);
   1.844 +    }
   1.845 +
   1.846 +    static void
   1.847 +        setAmPm(DateFormatSymbols *syms, int32_t index,
   1.848 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.849 +    {
   1.850 +        setSymbol(syms->fAmPms, syms->fAmPmsCount, index, value, valueLength, errorCode);
   1.851 +    }
   1.852 +
   1.853 +    static void
   1.854 +        setLocalPatternChars(DateFormatSymbols *syms,
   1.855 +        const UChar *value, int32_t valueLength, UErrorCode &errorCode)
   1.856 +    {
   1.857 +        setSymbol(&syms->fLocalPatternChars, 1, 0, value, valueLength, errorCode);
   1.858 +    }
   1.859 +};
   1.860 +
   1.861 +U_NAMESPACE_END
   1.862 +
   1.863 +U_CAPI void U_EXPORT2
   1.864 +udat_setSymbols(    UDateFormat             *format,
   1.865 +            UDateFormatSymbolType   type,
   1.866 +            int32_t                 index,
   1.867 +            UChar                   *value,
   1.868 +            int32_t                 valueLength,
   1.869 +            UErrorCode              *status)
   1.870 +{
   1.871 +    verifyIsSimpleDateFormat(format, status);
   1.872 +    if(U_FAILURE(*status)) return;
   1.873 +
   1.874 +    DateFormatSymbols *syms = (DateFormatSymbols *)((SimpleDateFormat *)format)->getDateFormatSymbols();
   1.875 +
   1.876 +    switch(type) {
   1.877 +    case UDAT_ERAS:
   1.878 +        DateFormatSymbolsSingleSetter::setEra(syms, index, value, valueLength, *status);
   1.879 +        break;
   1.880 +
   1.881 +    case UDAT_ERA_NAMES:
   1.882 +        DateFormatSymbolsSingleSetter::setEraName(syms, index, value, valueLength, *status);
   1.883 +        break;
   1.884 +
   1.885 +    case UDAT_MONTHS:
   1.886 +        DateFormatSymbolsSingleSetter::setMonth(syms, index, value, valueLength, *status);
   1.887 +        break;
   1.888 +
   1.889 +    case UDAT_SHORT_MONTHS:
   1.890 +        DateFormatSymbolsSingleSetter::setShortMonth(syms, index, value, valueLength, *status);
   1.891 +        break;
   1.892 +
   1.893 +    case UDAT_NARROW_MONTHS:
   1.894 +        DateFormatSymbolsSingleSetter::setNarrowMonth(syms, index, value, valueLength, *status);
   1.895 +        break;
   1.896 +
   1.897 +    case UDAT_STANDALONE_MONTHS:
   1.898 +        DateFormatSymbolsSingleSetter::setStandaloneMonth(syms, index, value, valueLength, *status);
   1.899 +        break;
   1.900 +
   1.901 +    case UDAT_STANDALONE_SHORT_MONTHS:
   1.902 +        DateFormatSymbolsSingleSetter::setStandaloneShortMonth(syms, index, value, valueLength, *status);
   1.903 +        break;
   1.904 +
   1.905 +    case UDAT_STANDALONE_NARROW_MONTHS:
   1.906 +        DateFormatSymbolsSingleSetter::setStandaloneNarrowMonth(syms, index, value, valueLength, *status);
   1.907 +        break;
   1.908 +
   1.909 +    case UDAT_WEEKDAYS:
   1.910 +        DateFormatSymbolsSingleSetter::setWeekday(syms, index, value, valueLength, *status);
   1.911 +        break;
   1.912 +
   1.913 +    case UDAT_SHORT_WEEKDAYS:
   1.914 +        DateFormatSymbolsSingleSetter::setShortWeekday(syms, index, value, valueLength, *status);
   1.915 +        break;
   1.916 +
   1.917 +    case UDAT_SHORTER_WEEKDAYS:
   1.918 +        DateFormatSymbolsSingleSetter::setShorterWeekday(syms, index, value, valueLength, *status);
   1.919 +        break;
   1.920 +
   1.921 +    case UDAT_NARROW_WEEKDAYS:
   1.922 +        DateFormatSymbolsSingleSetter::setNarrowWeekday(syms, index, value, valueLength, *status);
   1.923 +        break;
   1.924 +
   1.925 +    case UDAT_STANDALONE_WEEKDAYS:
   1.926 +        DateFormatSymbolsSingleSetter::setStandaloneWeekday(syms, index, value, valueLength, *status);
   1.927 +        break;
   1.928 +
   1.929 +    case UDAT_STANDALONE_SHORT_WEEKDAYS:
   1.930 +        DateFormatSymbolsSingleSetter::setStandaloneShortWeekday(syms, index, value, valueLength, *status);
   1.931 +        break;
   1.932 +
   1.933 +    case UDAT_STANDALONE_SHORTER_WEEKDAYS:
   1.934 +        DateFormatSymbolsSingleSetter::setStandaloneShorterWeekday(syms, index, value, valueLength, *status);
   1.935 +        break;
   1.936 +
   1.937 +    case UDAT_STANDALONE_NARROW_WEEKDAYS:
   1.938 +        DateFormatSymbolsSingleSetter::setStandaloneNarrowWeekday(syms, index, value, valueLength, *status);
   1.939 +        break;
   1.940 +
   1.941 +    case UDAT_QUARTERS:
   1.942 +        DateFormatSymbolsSingleSetter::setQuarter(syms, index, value, valueLength, *status);
   1.943 +        break;
   1.944 +
   1.945 +    case UDAT_SHORT_QUARTERS:
   1.946 +        DateFormatSymbolsSingleSetter::setShortQuarter(syms, index, value, valueLength, *status);
   1.947 +        break;
   1.948 +
   1.949 +    case UDAT_STANDALONE_QUARTERS:
   1.950 +        DateFormatSymbolsSingleSetter::setStandaloneQuarter(syms, index, value, valueLength, *status);
   1.951 +        break;
   1.952 +
   1.953 +    case UDAT_STANDALONE_SHORT_QUARTERS:
   1.954 +        DateFormatSymbolsSingleSetter::setStandaloneShortQuarter(syms, index, value, valueLength, *status);
   1.955 +        break;
   1.956 +
   1.957 +    case UDAT_AM_PMS:
   1.958 +        DateFormatSymbolsSingleSetter::setAmPm(syms, index, value, valueLength, *status);
   1.959 +        break;
   1.960 +
   1.961 +    case UDAT_LOCALIZED_CHARS:
   1.962 +        DateFormatSymbolsSingleSetter::setLocalPatternChars(syms, value, valueLength, *status);
   1.963 +        break;
   1.964 +
   1.965 +    default:
   1.966 +        *status = U_UNSUPPORTED_ERROR;
   1.967 +        break;
   1.968 +        
   1.969 +    }
   1.970 +}
   1.971 +
   1.972 +U_CAPI const char* U_EXPORT2
   1.973 +udat_getLocaleByType(const UDateFormat *fmt,
   1.974 +                     ULocDataLocaleType type,
   1.975 +                     UErrorCode* status)
   1.976 +{
   1.977 +    if (fmt == NULL) {
   1.978 +        if (U_SUCCESS(*status)) {
   1.979 +            *status = U_ILLEGAL_ARGUMENT_ERROR;
   1.980 +        }
   1.981 +        return NULL;
   1.982 +    }
   1.983 +    return ((Format*)fmt)->getLocaleID(type, *status);
   1.984 +}
   1.985 +
   1.986 +
   1.987 +U_CAPI void U_EXPORT2
   1.988 +udat_setContext(UDateFormat* fmt, UDisplayContext value, UErrorCode* status)
   1.989 +{
   1.990 +    verifyIsSimpleDateFormat(fmt, status);
   1.991 +    if (U_FAILURE(*status)) {
   1.992 +        return;
   1.993 +    }
   1.994 +    ((SimpleDateFormat*)fmt)->setContext(value, *status);
   1.995 +}
   1.996 +
   1.997 +U_CAPI UDisplayContext U_EXPORT2
   1.998 +udat_getContext(UDateFormat* fmt, UDisplayContextType type, UErrorCode* status)
   1.999 +{
  1.1000 +    verifyIsSimpleDateFormat(fmt, status);
  1.1001 +    if (U_FAILURE(*status)) {
  1.1002 +        return (UDisplayContext)0;
  1.1003 +    }
  1.1004 +    return ((SimpleDateFormat*)fmt)->getContext(type, *status);
  1.1005 +}
  1.1006 +
  1.1007 +
  1.1008 +/**
  1.1009 + * Verify that fmt is a RelativeDateFormat. Invalid error if not.
  1.1010 + * @param fmt the UDateFormat, definitely a DateFormat, maybe something else
  1.1011 + * @param status error code, will be set to failure if there is a familure or the fmt is NULL.
  1.1012 + */
  1.1013 +static void verifyIsRelativeDateFormat(const UDateFormat* fmt, UErrorCode *status) {
  1.1014 +   if(U_SUCCESS(*status) &&
  1.1015 +       dynamic_cast<const RelativeDateFormat*>(reinterpret_cast<const DateFormat*>(fmt))==NULL) {
  1.1016 +       *status = U_ILLEGAL_ARGUMENT_ERROR;
  1.1017 +   }
  1.1018 +}
  1.1019 +
  1.1020 +
  1.1021 +U_CAPI int32_t U_EXPORT2 
  1.1022 +udat_toPatternRelativeDate(const UDateFormat *fmt,
  1.1023 +                           UChar             *result,
  1.1024 +                           int32_t           resultLength,
  1.1025 +                           UErrorCode        *status)
  1.1026 +{
  1.1027 +    verifyIsRelativeDateFormat(fmt, status);
  1.1028 +    if(U_FAILURE(*status)) return -1;
  1.1029 +
  1.1030 +    UnicodeString datePattern;
  1.1031 +    if(!(result==NULL && resultLength==0)) {
  1.1032 +        // NULL destination for pure preflighting: empty dummy string
  1.1033 +        // otherwise, alias the destination buffer
  1.1034 +        datePattern.setTo(result, 0, resultLength);
  1.1035 +    }
  1.1036 +    ((RelativeDateFormat*)fmt)->toPatternDate(datePattern, *status);
  1.1037 +    return datePattern.extract(result, resultLength, *status);
  1.1038 +}
  1.1039 +
  1.1040 +U_CAPI int32_t U_EXPORT2 
  1.1041 +udat_toPatternRelativeTime(const UDateFormat *fmt,
  1.1042 +                           UChar             *result,
  1.1043 +                           int32_t           resultLength,
  1.1044 +                           UErrorCode        *status)
  1.1045 +{
  1.1046 +    verifyIsRelativeDateFormat(fmt, status);
  1.1047 +    if(U_FAILURE(*status)) return -1;
  1.1048 +
  1.1049 +    UnicodeString timePattern;
  1.1050 +    if(!(result==NULL && resultLength==0)) {
  1.1051 +        // NULL destination for pure preflighting: empty dummy string
  1.1052 +        // otherwise, alias the destination buffer
  1.1053 +        timePattern.setTo(result, 0, resultLength);
  1.1054 +    }
  1.1055 +    ((RelativeDateFormat*)fmt)->toPatternTime(timePattern, *status);
  1.1056 +    return timePattern.extract(result, resultLength, *status);
  1.1057 +}
  1.1058 +
  1.1059 +U_CAPI void U_EXPORT2 
  1.1060 +udat_applyPatternRelative(UDateFormat *format,
  1.1061 +                          const UChar *datePattern,
  1.1062 +                          int32_t     datePatternLength,
  1.1063 +                          const UChar *timePattern,
  1.1064 +                          int32_t     timePatternLength,
  1.1065 +                          UErrorCode  *status)
  1.1066 +{
  1.1067 +    verifyIsRelativeDateFormat(format, status);
  1.1068 +    if(U_FAILURE(*status)) return;
  1.1069 +    const UnicodeString datePat((UBool)(datePatternLength == -1), datePattern, datePatternLength);
  1.1070 +    const UnicodeString timePat((UBool)(timePatternLength == -1), timePattern, timePatternLength);
  1.1071 +    ((RelativeDateFormat*)format)->applyPatterns(datePat, timePat, *status);
  1.1072 +}
  1.1073 +
  1.1074 +#endif /* #if !UCONFIG_NO_FORMATTING */

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