intl/icu/source/i18n/unum.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/intl/icu/source/i18n/unum.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,842 @@
     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 +* Modification History:
    1.10 +*
    1.11 +*   Date        Name        Description
    1.12 +*   06/24/99    helena      Integrated Alan's NF enhancements and Java2 bug fixes
    1.13 +*******************************************************************************
    1.14 +*/
    1.15 +
    1.16 +#include "unicode/utypes.h"
    1.17 +
    1.18 +#if !UCONFIG_NO_FORMATTING
    1.19 +
    1.20 +#include "unicode/unum.h"
    1.21 +
    1.22 +#include "unicode/uloc.h"
    1.23 +#include "unicode/numfmt.h"
    1.24 +#include "unicode/decimfmt.h"
    1.25 +#include "unicode/rbnf.h"
    1.26 +#include "unicode/ustring.h"
    1.27 +#include "unicode/fmtable.h"
    1.28 +#include "unicode/dcfmtsym.h"
    1.29 +#include "unicode/curramt.h"
    1.30 +#include "unicode/localpointer.h"
    1.31 +#include "uassert.h"
    1.32 +#include "cpputils.h"
    1.33 +#include "cstring.h"
    1.34 +
    1.35 +
    1.36 +U_NAMESPACE_USE
    1.37 +
    1.38 +
    1.39 +U_CAPI UNumberFormat* U_EXPORT2
    1.40 +unum_open(  UNumberFormatStyle    style,  
    1.41 +            const    UChar*    pattern,
    1.42 +            int32_t            patternLength,
    1.43 +            const    char*     locale,
    1.44 +            UParseError*       parseErr,
    1.45 +            UErrorCode*        status) {
    1.46 +    if(U_FAILURE(*status)) {
    1.47 +        return NULL;
    1.48 +    }
    1.49 +
    1.50 +    NumberFormat *retVal = NULL;
    1.51 +
    1.52 +    switch(style) {
    1.53 +    case UNUM_DECIMAL:
    1.54 +    case UNUM_CURRENCY:
    1.55 +    case UNUM_PERCENT:
    1.56 +    case UNUM_SCIENTIFIC:
    1.57 +        retVal = NumberFormat::createInstance(Locale(locale), style, *status);
    1.58 +        break;
    1.59 +
    1.60 +    case UNUM_PATTERN_DECIMAL: {
    1.61 +        UParseError tErr;
    1.62 +        /* UnicodeString can handle the case when patternLength = -1. */
    1.63 +        const UnicodeString pat(pattern, patternLength);
    1.64 +
    1.65 +        if(parseErr==NULL){
    1.66 +            parseErr = &tErr;
    1.67 +        }
    1.68 +
    1.69 +        DecimalFormatSymbols *syms = new DecimalFormatSymbols(Locale(locale), *status);
    1.70 +        if(syms == NULL) {
    1.71 +            *status = U_MEMORY_ALLOCATION_ERROR;
    1.72 +            return NULL;
    1.73 +        }
    1.74 +        if (U_FAILURE(*status)) {
    1.75 +            delete syms;
    1.76 +            return NULL;
    1.77 +        }
    1.78 +
    1.79 +        retVal = new DecimalFormat(pat, syms, *parseErr, *status);
    1.80 +        if(retVal == NULL) {
    1.81 +            delete syms;
    1.82 +        }
    1.83 +    } break;
    1.84 +
    1.85 +#if U_HAVE_RBNF
    1.86 +    case UNUM_PATTERN_RULEBASED: {
    1.87 +        UParseError tErr;
    1.88 +        /* UnicodeString can handle the case when patternLength = -1. */
    1.89 +        const UnicodeString pat(pattern, patternLength);
    1.90 +        
    1.91 +        if(parseErr==NULL){
    1.92 +            parseErr = &tErr;
    1.93 +        }
    1.94 +        
    1.95 +        retVal = new RuleBasedNumberFormat(pat, Locale(locale), *parseErr, *status);
    1.96 +    } break;
    1.97 +
    1.98 +    case UNUM_SPELLOUT:
    1.99 +        retVal = new RuleBasedNumberFormat(URBNF_SPELLOUT, Locale(locale), *status);
   1.100 +        break;
   1.101 +
   1.102 +    case UNUM_ORDINAL:
   1.103 +        retVal = new RuleBasedNumberFormat(URBNF_ORDINAL, Locale(locale), *status);
   1.104 +        break;
   1.105 +
   1.106 +    case UNUM_DURATION:
   1.107 +        retVal = new RuleBasedNumberFormat(URBNF_DURATION, Locale(locale), *status);
   1.108 +        break;
   1.109 +
   1.110 +    case UNUM_NUMBERING_SYSTEM:
   1.111 +        retVal = new RuleBasedNumberFormat(URBNF_NUMBERING_SYSTEM, Locale(locale), *status);
   1.112 +        break;
   1.113 +#endif
   1.114 +
   1.115 +    default:
   1.116 +        *status = U_UNSUPPORTED_ERROR;
   1.117 +        return NULL;
   1.118 +    }
   1.119 +
   1.120 +    if(retVal == NULL && U_SUCCESS(*status)) {
   1.121 +        *status = U_MEMORY_ALLOCATION_ERROR;
   1.122 +    }
   1.123 +
   1.124 +    return reinterpret_cast<UNumberFormat *>(retVal);
   1.125 +}
   1.126 +
   1.127 +U_CAPI void U_EXPORT2
   1.128 +unum_close(UNumberFormat* fmt)
   1.129 +{
   1.130 +    delete (NumberFormat*) fmt;
   1.131 +}
   1.132 +
   1.133 +U_CAPI UNumberFormat* U_EXPORT2
   1.134 +unum_clone(const UNumberFormat *fmt,
   1.135 +       UErrorCode *status)
   1.136 +{
   1.137 +    if(U_FAILURE(*status))
   1.138 +        return 0;
   1.139 +    
   1.140 +    Format *res = 0;
   1.141 +    const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt);
   1.142 +    const DecimalFormat* df = dynamic_cast<const DecimalFormat*>(nf);
   1.143 +    if (df != NULL) {
   1.144 +        res = df->clone();
   1.145 +    } else {
   1.146 +        const RuleBasedNumberFormat* rbnf = dynamic_cast<const RuleBasedNumberFormat*>(nf);
   1.147 +        U_ASSERT(rbnf != NULL);
   1.148 +        res = rbnf->clone();
   1.149 +    }
   1.150 +
   1.151 +    if(res == 0) {
   1.152 +        *status = U_MEMORY_ALLOCATION_ERROR;
   1.153 +        return 0;
   1.154 +    }
   1.155 +    
   1.156 +    return (UNumberFormat*) res;
   1.157 +}
   1.158 +
   1.159 +U_CAPI int32_t U_EXPORT2
   1.160 +unum_format(    const    UNumberFormat*    fmt,
   1.161 +        int32_t           number,
   1.162 +        UChar*            result,
   1.163 +        int32_t           resultLength,
   1.164 +        UFieldPosition    *pos,
   1.165 +        UErrorCode*       status)
   1.166 +{
   1.167 +        return unum_formatInt64(fmt, number, result, resultLength, pos, status);
   1.168 +}
   1.169 +
   1.170 +U_CAPI int32_t U_EXPORT2
   1.171 +unum_formatInt64(const UNumberFormat* fmt,
   1.172 +        int64_t         number,
   1.173 +        UChar*          result,
   1.174 +        int32_t         resultLength,
   1.175 +        UFieldPosition *pos,
   1.176 +        UErrorCode*     status)
   1.177 +{
   1.178 +    if(U_FAILURE(*status))
   1.179 +        return -1;
   1.180 +    
   1.181 +    UnicodeString res;
   1.182 +    if(!(result==NULL && resultLength==0)) {
   1.183 +        // NULL destination for pure preflighting: empty dummy string
   1.184 +        // otherwise, alias the destination buffer
   1.185 +        res.setTo(result, 0, resultLength);
   1.186 +    }
   1.187 +    
   1.188 +    FieldPosition fp;
   1.189 +    
   1.190 +    if(pos != 0)
   1.191 +        fp.setField(pos->field);
   1.192 +    
   1.193 +    ((const NumberFormat*)fmt)->format(number, res, fp, *status);
   1.194 +
   1.195 +    if(pos != 0) {
   1.196 +        pos->beginIndex = fp.getBeginIndex();
   1.197 +        pos->endIndex = fp.getEndIndex();
   1.198 +    }
   1.199 +    
   1.200 +    return res.extract(result, resultLength, *status);
   1.201 +}
   1.202 +
   1.203 +U_CAPI int32_t U_EXPORT2
   1.204 +unum_formatDouble(    const    UNumberFormat*  fmt,
   1.205 +            double          number,
   1.206 +            UChar*          result,
   1.207 +            int32_t         resultLength,
   1.208 +            UFieldPosition  *pos, /* 0 if ignore */
   1.209 +            UErrorCode*     status)
   1.210 +{
   1.211 + 
   1.212 +  if(U_FAILURE(*status)) return -1;
   1.213 +
   1.214 +  UnicodeString res;
   1.215 +  if(!(result==NULL && resultLength==0)) {
   1.216 +    // NULL destination for pure preflighting: empty dummy string
   1.217 +    // otherwise, alias the destination buffer
   1.218 +    res.setTo(result, 0, resultLength);
   1.219 +  }
   1.220 +
   1.221 +  FieldPosition fp;
   1.222 +  
   1.223 +  if(pos != 0)
   1.224 +    fp.setField(pos->field);
   1.225 +  
   1.226 +  ((const NumberFormat*)fmt)->format(number, res, fp, *status);
   1.227 +  
   1.228 +  if(pos != 0) {
   1.229 +    pos->beginIndex = fp.getBeginIndex();
   1.230 +    pos->endIndex = fp.getEndIndex();
   1.231 +  }
   1.232 +  
   1.233 +  return res.extract(result, resultLength, *status);
   1.234 +}
   1.235 +
   1.236 +
   1.237 +U_CAPI int32_t U_EXPORT2 
   1.238 +unum_formatDecimal(const    UNumberFormat*  fmt,
   1.239 +            const char *    number,
   1.240 +            int32_t         length,
   1.241 +            UChar*          result,
   1.242 +            int32_t         resultLength,
   1.243 +            UFieldPosition  *pos, /* 0 if ignore */
   1.244 +            UErrorCode*     status) {
   1.245 +
   1.246 +    if(U_FAILURE(*status)) {
   1.247 +        return -1;
   1.248 +    }
   1.249 +    if ((result == NULL && resultLength != 0) || resultLength < 0) {
   1.250 +        *status = U_ILLEGAL_ARGUMENT_ERROR;
   1.251 +        return -1;
   1.252 +    }
   1.253 +
   1.254 +    FieldPosition fp;
   1.255 +    if(pos != 0) {
   1.256 +        fp.setField(pos->field);
   1.257 +    }
   1.258 +
   1.259 +    if (length < 0) {
   1.260 +        length = uprv_strlen(number);
   1.261 +    }
   1.262 +    StringPiece numSP(number, length);
   1.263 +    Formattable numFmtbl(numSP, *status);
   1.264 +
   1.265 +    UnicodeString resultStr;
   1.266 +    if (resultLength > 0) {
   1.267 +        // Alias the destination buffer.
   1.268 +        resultStr.setTo(result, 0, resultLength);
   1.269 +    }
   1.270 +    ((const NumberFormat*)fmt)->format(numFmtbl, resultStr, fp, *status);
   1.271 +    if(pos != 0) {
   1.272 +        pos->beginIndex = fp.getBeginIndex();
   1.273 +        pos->endIndex = fp.getEndIndex();
   1.274 +    }
   1.275 +    return resultStr.extract(result, resultLength, *status);
   1.276 +}
   1.277 +
   1.278 +
   1.279 +
   1.280 +
   1.281 +U_CAPI int32_t U_EXPORT2 
   1.282 +unum_formatDoubleCurrency(const UNumberFormat* fmt,
   1.283 +                          double number,
   1.284 +                          UChar* currency,
   1.285 +                          UChar* result,
   1.286 +                          int32_t resultLength,
   1.287 +                          UFieldPosition* pos, /* ignored if 0 */
   1.288 +                          UErrorCode* status) {
   1.289 +    if (U_FAILURE(*status)) return -1;
   1.290 +
   1.291 +    UnicodeString res;
   1.292 +    if (!(result==NULL && resultLength==0)) {
   1.293 +        // NULL destination for pure preflighting: empty dummy string
   1.294 +        // otherwise, alias the destination buffer
   1.295 +        res.setTo(result, 0, resultLength);
   1.296 +    }
   1.297 +    
   1.298 +    FieldPosition fp;
   1.299 +    if (pos != 0) {
   1.300 +        fp.setField(pos->field);
   1.301 +    }
   1.302 +    CurrencyAmount *tempCurrAmnt = new CurrencyAmount(number, currency, *status);
   1.303 +    // Check for null pointer.
   1.304 +    if (tempCurrAmnt == NULL) {
   1.305 +        *status = U_MEMORY_ALLOCATION_ERROR;
   1.306 +        return -1;
   1.307 +    }
   1.308 +    Formattable n(tempCurrAmnt);
   1.309 +    ((const NumberFormat*)fmt)->format(n, res, fp, *status);
   1.310 +    
   1.311 +    if (pos != 0) {
   1.312 +        pos->beginIndex = fp.getBeginIndex();
   1.313 +        pos->endIndex = fp.getEndIndex();
   1.314 +    }
   1.315 +  
   1.316 +    return res.extract(result, resultLength, *status);
   1.317 +}
   1.318 +
   1.319 +static void
   1.320 +parseRes(Formattable& res,
   1.321 +         const   UNumberFormat*  fmt,
   1.322 +         const   UChar*          text,
   1.323 +         int32_t         textLength,
   1.324 +         int32_t         *parsePos /* 0 = start */,
   1.325 +         UErrorCode      *status)
   1.326 +{
   1.327 +    if(U_FAILURE(*status))
   1.328 +        return;
   1.329 +    
   1.330 +    const UnicodeString src((UBool)(textLength == -1), text, textLength);
   1.331 +    ParsePosition pp;
   1.332 +    
   1.333 +    if(parsePos != 0)
   1.334 +        pp.setIndex(*parsePos);
   1.335 +    
   1.336 +    ((const NumberFormat*)fmt)->parse(src, res, pp);
   1.337 +    
   1.338 +    if(pp.getErrorIndex() != -1) {
   1.339 +        *status = U_PARSE_ERROR;
   1.340 +        if(parsePos != 0) {
   1.341 +            *parsePos = pp.getErrorIndex();
   1.342 +        }
   1.343 +    } else if(parsePos != 0) {
   1.344 +        *parsePos = pp.getIndex();
   1.345 +    }
   1.346 +}
   1.347 +
   1.348 +U_CAPI int32_t U_EXPORT2
   1.349 +unum_parse(    const   UNumberFormat*  fmt,
   1.350 +        const   UChar*          text,
   1.351 +        int32_t         textLength,
   1.352 +        int32_t         *parsePos /* 0 = start */,
   1.353 +        UErrorCode      *status)
   1.354 +{
   1.355 +    Formattable res;
   1.356 +    parseRes(res, fmt, text, textLength, parsePos, status);
   1.357 +    return res.getLong(*status);
   1.358 +}
   1.359 +
   1.360 +U_CAPI int64_t U_EXPORT2
   1.361 +unum_parseInt64(    const   UNumberFormat*  fmt,
   1.362 +        const   UChar*          text,
   1.363 +        int32_t         textLength,
   1.364 +        int32_t         *parsePos /* 0 = start */,
   1.365 +        UErrorCode      *status)
   1.366 +{
   1.367 +    Formattable res;
   1.368 +    parseRes(res, fmt, text, textLength, parsePos, status);
   1.369 +    return res.getInt64(*status);
   1.370 +}
   1.371 +
   1.372 +U_CAPI double U_EXPORT2
   1.373 +unum_parseDouble(    const   UNumberFormat*  fmt,
   1.374 +            const   UChar*          text,
   1.375 +            int32_t         textLength,
   1.376 +            int32_t         *parsePos /* 0 = start */,
   1.377 +            UErrorCode      *status)
   1.378 +{
   1.379 +    Formattable res;
   1.380 +    parseRes(res, fmt, text, textLength, parsePos, status);
   1.381 +    return res.getDouble(*status);
   1.382 +}
   1.383 +
   1.384 +U_CAPI int32_t U_EXPORT2
   1.385 +unum_parseDecimal(const UNumberFormat*  fmt,
   1.386 +            const UChar*    text,
   1.387 +            int32_t         textLength,
   1.388 +            int32_t         *parsePos /* 0 = start */,
   1.389 +            char            *outBuf,
   1.390 +            int32_t         outBufLength,
   1.391 +            UErrorCode      *status)
   1.392 +{
   1.393 +    if (U_FAILURE(*status)) {
   1.394 +        return -1;
   1.395 +    }
   1.396 +    if ((outBuf == NULL && outBufLength != 0) || outBufLength < 0) {
   1.397 +        *status = U_ILLEGAL_ARGUMENT_ERROR;
   1.398 +        return -1;
   1.399 +    }
   1.400 +    Formattable res;
   1.401 +    parseRes(res, fmt, text, textLength, parsePos, status);
   1.402 +    StringPiece sp = res.getDecimalNumber(*status);
   1.403 +    if (U_FAILURE(*status)) {
   1.404 +       return -1;
   1.405 +    } else if (sp.size() > outBufLength) {
   1.406 +        *status = U_BUFFER_OVERFLOW_ERROR;
   1.407 +    } else if (sp.size() == outBufLength) {
   1.408 +        uprv_strncpy(outBuf, sp.data(), sp.size());
   1.409 +        *status = U_STRING_NOT_TERMINATED_WARNING;
   1.410 +    } else {
   1.411 +        U_ASSERT(outBufLength > 0);
   1.412 +        uprv_strcpy(outBuf, sp.data());
   1.413 +    }
   1.414 +    return sp.size();
   1.415 +}
   1.416 +
   1.417 +U_CAPI double U_EXPORT2
   1.418 +unum_parseDoubleCurrency(const UNumberFormat* fmt,
   1.419 +                         const UChar* text,
   1.420 +                         int32_t textLength,
   1.421 +                         int32_t* parsePos, /* 0 = start */
   1.422 +                         UChar* currency,
   1.423 +                         UErrorCode* status) {
   1.424 +    double doubleVal = 0.0;
   1.425 +    currency[0] = 0;
   1.426 +    if (U_FAILURE(*status)) {
   1.427 +        return doubleVal;
   1.428 +    }
   1.429 +    const UnicodeString src((UBool)(textLength == -1), text, textLength);
   1.430 +    ParsePosition pp;
   1.431 +    if (parsePos != NULL) {
   1.432 +        pp.setIndex(*parsePos);
   1.433 +    }
   1.434 +    *status = U_PARSE_ERROR; // assume failure, reset if succeed
   1.435 +    LocalPointer<CurrencyAmount> currAmt(((const NumberFormat*)fmt)->parseCurrency(src, pp));
   1.436 +    if (pp.getErrorIndex() != -1) {
   1.437 +        if (parsePos != NULL) {
   1.438 +            *parsePos = pp.getErrorIndex();
   1.439 +        }
   1.440 +    } else {
   1.441 +        if (parsePos != NULL) {
   1.442 +            *parsePos = pp.getIndex();
   1.443 +        }
   1.444 +        if (pp.getIndex() > 0) {
   1.445 +            *status = U_ZERO_ERROR;
   1.446 +            u_strcpy(currency, currAmt->getISOCurrency());
   1.447 +            doubleVal = currAmt->getNumber().getDouble(*status);
   1.448 +        }
   1.449 +    }
   1.450 +    return doubleVal;
   1.451 +}
   1.452 +
   1.453 +U_CAPI const char* U_EXPORT2
   1.454 +unum_getAvailable(int32_t index)
   1.455 +{
   1.456 +    return uloc_getAvailable(index);
   1.457 +}
   1.458 +
   1.459 +U_CAPI int32_t U_EXPORT2
   1.460 +unum_countAvailable()
   1.461 +{
   1.462 +    return uloc_countAvailable();
   1.463 +}
   1.464 +
   1.465 +U_CAPI int32_t U_EXPORT2
   1.466 +unum_getAttribute(const UNumberFormat*          fmt,
   1.467 +          UNumberFormatAttribute  attr)
   1.468 +{
   1.469 +  const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt);
   1.470 +  if ( attr == UNUM_LENIENT_PARSE ) {
   1.471 +    // Supported for all subclasses
   1.472 +    return nf->isLenient();
   1.473 +  }
   1.474 +
   1.475 +  // The remaining attributea are only supported for DecimalFormat
   1.476 +  const DecimalFormat* df = dynamic_cast<const DecimalFormat*>(nf);
   1.477 +  if (df != NULL) {
   1.478 +    UErrorCode ignoredStatus = U_ZERO_ERROR;
   1.479 +    return df->getAttribute( attr, ignoredStatus );
   1.480 +  }
   1.481 +
   1.482 +  return -1;
   1.483 +}
   1.484 +
   1.485 +U_CAPI void U_EXPORT2
   1.486 +unum_setAttribute(    UNumberFormat*          fmt,
   1.487 +            UNumberFormatAttribute  attr,
   1.488 +            int32_t                 newValue)
   1.489 +{
   1.490 +  NumberFormat* nf = reinterpret_cast<NumberFormat*>(fmt);
   1.491 +  if ( attr == UNUM_LENIENT_PARSE ) {
   1.492 +    // Supported for all subclasses
   1.493 +    // keep this here as the class may not be a DecimalFormat
   1.494 +    return nf->setLenient(newValue != 0);
   1.495 +  }
   1.496 +  // The remaining attributea are only supported for DecimalFormat
   1.497 +  DecimalFormat* df = dynamic_cast<DecimalFormat*>(nf);
   1.498 +  if (df != NULL) {
   1.499 +    UErrorCode ignoredStatus = U_ZERO_ERROR;
   1.500 +    df->setAttribute(attr, newValue, ignoredStatus);
   1.501 +  }
   1.502 +}
   1.503 +
   1.504 +U_CAPI double U_EXPORT2
   1.505 +unum_getDoubleAttribute(const UNumberFormat*          fmt,
   1.506 +          UNumberFormatAttribute  attr)
   1.507 +{
   1.508 +    const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt);
   1.509 +    const DecimalFormat* df = dynamic_cast<const DecimalFormat*>(nf);
   1.510 +    if (df != NULL &&  attr == UNUM_ROUNDING_INCREMENT) {
   1.511 +        return df->getRoundingIncrement();
   1.512 +    } else {
   1.513 +        return -1.0;
   1.514 +    }
   1.515 +}
   1.516 +
   1.517 +U_CAPI void U_EXPORT2
   1.518 +unum_setDoubleAttribute(    UNumberFormat*          fmt,
   1.519 +            UNumberFormatAttribute  attr,
   1.520 +            double                 newValue)
   1.521 +{
   1.522 +    NumberFormat* nf = reinterpret_cast<NumberFormat*>(fmt);
   1.523 +    DecimalFormat* df = dynamic_cast<DecimalFormat*>(nf);
   1.524 +    if (df != NULL && attr == UNUM_ROUNDING_INCREMENT) {   
   1.525 +        df->setRoundingIncrement(newValue);
   1.526 +    }
   1.527 +}
   1.528 +
   1.529 +U_CAPI int32_t U_EXPORT2
   1.530 +unum_getTextAttribute(const UNumberFormat*  fmt,
   1.531 +            UNumberFormatTextAttribute      tag,
   1.532 +            UChar*                          result,
   1.533 +            int32_t                         resultLength,
   1.534 +            UErrorCode*                     status)
   1.535 +{
   1.536 +    if(U_FAILURE(*status))
   1.537 +        return -1;
   1.538 +
   1.539 +    UnicodeString res;
   1.540 +    if(!(result==NULL && resultLength==0)) {
   1.541 +        // NULL destination for pure preflighting: empty dummy string
   1.542 +        // otherwise, alias the destination buffer
   1.543 +        res.setTo(result, 0, resultLength);
   1.544 +    }
   1.545 +
   1.546 +    const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt);
   1.547 +    const DecimalFormat* df = dynamic_cast<const DecimalFormat*>(nf);
   1.548 +    if (df != NULL) {
   1.549 +        switch(tag) {
   1.550 +        case UNUM_POSITIVE_PREFIX:
   1.551 +            df->getPositivePrefix(res);
   1.552 +            break;
   1.553 +
   1.554 +        case UNUM_POSITIVE_SUFFIX:
   1.555 +            df->getPositiveSuffix(res);
   1.556 +            break;
   1.557 +
   1.558 +        case UNUM_NEGATIVE_PREFIX:
   1.559 +            df->getNegativePrefix(res);
   1.560 +            break;
   1.561 +
   1.562 +        case UNUM_NEGATIVE_SUFFIX:
   1.563 +            df->getNegativeSuffix(res);
   1.564 +            break;
   1.565 +
   1.566 +        case UNUM_PADDING_CHARACTER:
   1.567 +            res = df->getPadCharacterString();
   1.568 +            break;
   1.569 +
   1.570 +        case UNUM_CURRENCY_CODE:
   1.571 +            res = UnicodeString(df->getCurrency());
   1.572 +            break;
   1.573 +
   1.574 +        default:
   1.575 +            *status = U_UNSUPPORTED_ERROR;
   1.576 +            return -1;
   1.577 +        }
   1.578 +    } else {
   1.579 +        const RuleBasedNumberFormat* rbnf = dynamic_cast<const RuleBasedNumberFormat*>(nf);
   1.580 +        U_ASSERT(rbnf != NULL);
   1.581 +        if (tag == UNUM_DEFAULT_RULESET) {
   1.582 +            res = rbnf->getDefaultRuleSetName();
   1.583 +        } else if (tag == UNUM_PUBLIC_RULESETS) {
   1.584 +            int32_t count = rbnf->getNumberOfRuleSetNames();
   1.585 +            for (int i = 0; i < count; ++i) {
   1.586 +                res += rbnf->getRuleSetName(i);
   1.587 +                res += (UChar)0x003b; // semicolon
   1.588 +            }
   1.589 +        } else {
   1.590 +            *status = U_UNSUPPORTED_ERROR;
   1.591 +            return -1;
   1.592 +        }
   1.593 +    }
   1.594 +
   1.595 +    return res.extract(result, resultLength, *status);
   1.596 +}
   1.597 +
   1.598 +U_CAPI void U_EXPORT2
   1.599 +unum_setTextAttribute(    UNumberFormat*                    fmt,
   1.600 +            UNumberFormatTextAttribute      tag,
   1.601 +            const    UChar*                            newValue,
   1.602 +            int32_t                            newValueLength,
   1.603 +            UErrorCode                        *status)
   1.604 +{
   1.605 +    if(U_FAILURE(*status))
   1.606 +        return;
   1.607 +
   1.608 +    UnicodeString val(newValue, newValueLength);
   1.609 +    NumberFormat* nf = reinterpret_cast<NumberFormat*>(fmt);
   1.610 +    DecimalFormat* df = dynamic_cast<DecimalFormat*>(nf);
   1.611 +    if (df != NULL) {
   1.612 +      switch(tag) {
   1.613 +      case UNUM_POSITIVE_PREFIX:
   1.614 +        df->setPositivePrefix(val);
   1.615 +        break;
   1.616 +        
   1.617 +      case UNUM_POSITIVE_SUFFIX:
   1.618 +        df->setPositiveSuffix(val);
   1.619 +        break;
   1.620 +        
   1.621 +      case UNUM_NEGATIVE_PREFIX:
   1.622 +        df->setNegativePrefix(val);
   1.623 +        break;
   1.624 +        
   1.625 +      case UNUM_NEGATIVE_SUFFIX:
   1.626 +        df->setNegativeSuffix(val);
   1.627 +        break;
   1.628 +        
   1.629 +      case UNUM_PADDING_CHARACTER:
   1.630 +        df->setPadCharacter(val);
   1.631 +        break;
   1.632 +        
   1.633 +      case UNUM_CURRENCY_CODE:
   1.634 +        df->setCurrency(val.getTerminatedBuffer(), *status);
   1.635 +        break;
   1.636 +        
   1.637 +      default:
   1.638 +        *status = U_UNSUPPORTED_ERROR;
   1.639 +        break;
   1.640 +      }
   1.641 +    } else {
   1.642 +      RuleBasedNumberFormat* rbnf = dynamic_cast<RuleBasedNumberFormat*>(nf);
   1.643 +      U_ASSERT(rbnf != NULL);
   1.644 +      if (tag == UNUM_DEFAULT_RULESET) {
   1.645 +        rbnf->setDefaultRuleSet(val, *status);
   1.646 +      } else {
   1.647 +        *status = U_UNSUPPORTED_ERROR;
   1.648 +      }
   1.649 +    }
   1.650 +}
   1.651 +
   1.652 +U_CAPI int32_t U_EXPORT2
   1.653 +unum_toPattern(    const    UNumberFormat*          fmt,
   1.654 +        UBool                  isPatternLocalized,
   1.655 +        UChar*                  result,
   1.656 +        int32_t                 resultLength,
   1.657 +        UErrorCode*             status)
   1.658 +{
   1.659 +    if(U_FAILURE(*status))
   1.660 +        return -1;
   1.661 +    
   1.662 +    UnicodeString pat;
   1.663 +    if(!(result==NULL && resultLength==0)) {
   1.664 +        // NULL destination for pure preflighting: empty dummy string
   1.665 +        // otherwise, alias the destination buffer
   1.666 +        pat.setTo(result, 0, resultLength);
   1.667 +    }
   1.668 +
   1.669 +    const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt);
   1.670 +    const DecimalFormat* df = dynamic_cast<const DecimalFormat*>(nf);
   1.671 +    if (df != NULL) {
   1.672 +      if(isPatternLocalized)
   1.673 +        df->toLocalizedPattern(pat);
   1.674 +      else
   1.675 +        df->toPattern(pat);
   1.676 +    } else {
   1.677 +      const RuleBasedNumberFormat* rbnf = dynamic_cast<const RuleBasedNumberFormat*>(nf);
   1.678 +      U_ASSERT(rbnf != NULL);
   1.679 +      pat = rbnf->getRules();
   1.680 +    }
   1.681 +    return pat.extract(result, resultLength, *status);
   1.682 +}
   1.683 +
   1.684 +U_CAPI int32_t U_EXPORT2
   1.685 +unum_getSymbol(const UNumberFormat *fmt,
   1.686 +               UNumberFormatSymbol symbol,
   1.687 +               UChar *buffer,
   1.688 +               int32_t size,
   1.689 +               UErrorCode *status)
   1.690 +{
   1.691 +    if(status==NULL || U_FAILURE(*status)) {
   1.692 +        return 0;
   1.693 +    }
   1.694 +    if(fmt==NULL || symbol< 0 || symbol>=UNUM_FORMAT_SYMBOL_COUNT) {
   1.695 +        *status=U_ILLEGAL_ARGUMENT_ERROR;
   1.696 +        return 0;
   1.697 +    }
   1.698 +    const NumberFormat *nf = reinterpret_cast<const NumberFormat *>(fmt);
   1.699 +    const DecimalFormat *dcf = dynamic_cast<const DecimalFormat *>(nf);
   1.700 +    if (dcf == NULL) {
   1.701 +      *status = U_UNSUPPORTED_ERROR;
   1.702 +      return 0;
   1.703 +    }
   1.704 +
   1.705 +    return dcf->
   1.706 +      getDecimalFormatSymbols()->
   1.707 +        getConstSymbol((DecimalFormatSymbols::ENumberFormatSymbol)symbol).
   1.708 +          extract(buffer, size, *status);
   1.709 +}
   1.710 +
   1.711 +U_CAPI void U_EXPORT2
   1.712 +unum_setSymbol(UNumberFormat *fmt,
   1.713 +               UNumberFormatSymbol symbol,
   1.714 +               const UChar *value,
   1.715 +               int32_t length,
   1.716 +               UErrorCode *status)
   1.717 +{
   1.718 +    if(status==NULL || U_FAILURE(*status)) {
   1.719 +        return;
   1.720 +    }
   1.721 +    if(fmt==NULL || symbol< 0 || symbol>=UNUM_FORMAT_SYMBOL_COUNT || value==NULL || length<-1) {
   1.722 +        *status=U_ILLEGAL_ARGUMENT_ERROR;
   1.723 +        return;
   1.724 +    }
   1.725 +    NumberFormat *nf = reinterpret_cast<NumberFormat *>(fmt);
   1.726 +    DecimalFormat *dcf = dynamic_cast<DecimalFormat *>(nf);
   1.727 +    if (dcf == NULL) {
   1.728 +      *status = U_UNSUPPORTED_ERROR;
   1.729 +      return;
   1.730 +    }
   1.731 +
   1.732 +    DecimalFormatSymbols symbols(*dcf->getDecimalFormatSymbols());
   1.733 +    symbols.setSymbol((DecimalFormatSymbols::ENumberFormatSymbol)symbol,
   1.734 +        UnicodeString(value, length));  /* UnicodeString can handle the case when length = -1. */
   1.735 +    dcf->setDecimalFormatSymbols(symbols);
   1.736 +}
   1.737 +
   1.738 +U_CAPI void U_EXPORT2
   1.739 +unum_applyPattern(  UNumberFormat  *fmt,
   1.740 +                    UBool          localized,
   1.741 +                    const UChar    *pattern,
   1.742 +                    int32_t        patternLength,
   1.743 +                    UParseError    *parseError,
   1.744 +                    UErrorCode*    status)
   1.745 +{
   1.746 +    UErrorCode tStatus = U_ZERO_ERROR;
   1.747 +    UParseError tParseError;
   1.748 +    
   1.749 +    if(parseError == NULL){
   1.750 +        parseError = &tParseError;
   1.751 +    }
   1.752 +    
   1.753 +    if(status==NULL){
   1.754 +        status = &tStatus;
   1.755 +    }
   1.756 +    
   1.757 +    int32_t len = (patternLength == -1 ? u_strlen(pattern) : patternLength);
   1.758 +    const UnicodeString pat((UChar*)pattern, len, len);
   1.759 +
   1.760 +    // Verify if the object passed is a DecimalFormat object
   1.761 +    NumberFormat* nf = reinterpret_cast<NumberFormat*>(fmt);
   1.762 +    DecimalFormat* df = dynamic_cast<DecimalFormat*>(nf);
   1.763 +    if (df != NULL) {
   1.764 +      if(localized) {
   1.765 +        df->applyLocalizedPattern(pat,*parseError, *status);
   1.766 +      } else {
   1.767 +        df->applyPattern(pat,*parseError, *status);
   1.768 +      }
   1.769 +    } else {
   1.770 +      *status = U_UNSUPPORTED_ERROR;
   1.771 +      return;
   1.772 +    }
   1.773 +}
   1.774 +
   1.775 +U_CAPI const char* U_EXPORT2
   1.776 +unum_getLocaleByType(const UNumberFormat *fmt,
   1.777 +                     ULocDataLocaleType type,
   1.778 +                     UErrorCode* status)
   1.779 +{
   1.780 +    if (fmt == NULL) {
   1.781 +        if (U_SUCCESS(*status)) {
   1.782 +            *status = U_ILLEGAL_ARGUMENT_ERROR;
   1.783 +        }
   1.784 +        return NULL;
   1.785 +    }
   1.786 +    return ((const Format*)fmt)->getLocaleID(type, *status);
   1.787 +}
   1.788 +
   1.789 +U_INTERNAL UFormattable * U_EXPORT2
   1.790 +unum_parseToUFormattable(const UNumberFormat* fmt,
   1.791 +                         UFormattable *result,
   1.792 +                         const UChar* text,
   1.793 +                         int32_t textLength,
   1.794 +                         int32_t* parsePos, /* 0 = start */
   1.795 +                         UErrorCode* status) {
   1.796 +  UFormattable *newFormattable = NULL;
   1.797 +  if (U_FAILURE(*status)) return result;
   1.798 +  if (fmt == NULL || (text==NULL && textLength!=0)) {
   1.799 +    *status = U_ILLEGAL_ARGUMENT_ERROR;
   1.800 +    return result;
   1.801 +  }
   1.802 +  if (result == NULL) { // allocate if not allocated.
   1.803 +    newFormattable = result = ufmt_open(status);
   1.804 +  }
   1.805 +  parseRes(*(Formattable::fromUFormattable(result)), fmt, text, textLength, parsePos, status);
   1.806 +  if (U_FAILURE(*status) && newFormattable != NULL) {
   1.807 +    ufmt_close(newFormattable);
   1.808 +    result = NULL; // deallocate if there was a parse error
   1.809 +  }
   1.810 +  return result;
   1.811 +}
   1.812 +
   1.813 +U_INTERNAL int32_t U_EXPORT2
   1.814 +unum_formatUFormattable(const UNumberFormat* fmt,
   1.815 +                        const UFormattable *number,
   1.816 +                        UChar *result,
   1.817 +                        int32_t resultLength,
   1.818 +                        UFieldPosition *pos, /* ignored if 0 */
   1.819 +                        UErrorCode *status) {
   1.820 +    if (U_FAILURE(*status)) {
   1.821 +      return 0;
   1.822 +    }
   1.823 +    if (fmt == NULL || number==NULL ||
   1.824 +        (result==NULL ? resultLength!=0 : resultLength<0)) {
   1.825 +      *status = U_ILLEGAL_ARGUMENT_ERROR;
   1.826 +      return 0;
   1.827 +    }
   1.828 +    UnicodeString res(result, 0, resultLength);
   1.829 +
   1.830 +    FieldPosition fp;
   1.831 +
   1.832 +    if(pos != 0)
   1.833 +        fp.setField(pos->field);
   1.834 +
   1.835 +    ((const NumberFormat*)fmt)->format(*(Formattable::fromUFormattable(number)), res, fp, *status);
   1.836 +
   1.837 +    if(pos != 0) {
   1.838 +        pos->beginIndex = fp.getBeginIndex();
   1.839 +        pos->endIndex = fp.getEndIndex();
   1.840 +    }
   1.841 +
   1.842 +    return res.extract(result, resultLength, *status);
   1.843 +}
   1.844 +
   1.845 +#endif /* #if !UCONFIG_NO_FORMATTING */

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