671 lines
19 KiB
C++
671 lines
19 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 1996-2003, International Business Machines
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* Corporation and others. All Rights Reserved.
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*******************************************************************************
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* Modification History:
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*
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* Date Name Description
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* 06/24/99 helena Integrated Alan's NF enhancements and Java2 bug fixes
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*******************************************************************************
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/unum.h"
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#include "unicode/uloc.h"
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#include "unicode/numfmt.h"
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#include "unicode/decimfmt.h"
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#include "unicode/rbnf.h"
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#include "unicode/ustring.h"
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#include "unicode/fmtable.h"
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#include "unicode/dcfmtsym.h"
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#include "cpputils.h"
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U_NAMESPACE_USE
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U_CAPI UNumberFormat* U_EXPORT2
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unum_open( UNumberFormatStyle style,
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const UChar* pattern,
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int32_t patternLength,
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const char* locale,
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UParseError* parseErr,
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UErrorCode* status)
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{
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if(U_FAILURE(*status))
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{
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return 0;
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}
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if(style!=UNUM_IGNORE){
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UNumberFormat *retVal = 0;
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switch(style) {
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case UNUM_DECIMAL:
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if(locale == 0)
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retVal = (UNumberFormat*)NumberFormat::createInstance(*status);
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else
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retVal = (UNumberFormat*)NumberFormat::createInstance(Locale(locale),
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*status);
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break;
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case UNUM_CURRENCY:
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if(locale == 0)
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retVal = (UNumberFormat*)NumberFormat::createCurrencyInstance(*status);
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else
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retVal = (UNumberFormat*)NumberFormat::createCurrencyInstance(Locale(locale),
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*status);
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break;
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case UNUM_PERCENT:
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if(locale == 0)
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retVal = (UNumberFormat*)NumberFormat::createPercentInstance(*status);
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else
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retVal = (UNumberFormat*)NumberFormat::createPercentInstance(Locale(locale),
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*status);
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break;
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case UNUM_SCIENTIFIC:
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if(locale == 0)
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retVal = (UNumberFormat*)NumberFormat::createScientificInstance(*status);
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else
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retVal = (UNumberFormat*)NumberFormat::createScientificInstance(Locale(locale),
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*status);
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break;
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case UNUM_SPELLOUT:
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#if U_HAVE_RBNF
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return (UNumberFormat*)new RuleBasedNumberFormat(URBNF_SPELLOUT, Locale(locale), *status);
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#else
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// fall through
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#endif
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default:
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*status = U_UNSUPPORTED_ERROR;
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return 0;
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}
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if(retVal == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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return retVal;
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}else{
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/* we don't support RBNF patterns yet */
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UParseError tErr;
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/* UnicodeString can handle the case when patternLength = -1. */
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const UnicodeString pat(pattern, patternLength);
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DecimalFormatSymbols *syms = 0;
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if(parseErr==NULL){
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parseErr = &tErr;
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}
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if(locale == 0)
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syms = new DecimalFormatSymbols(*status);
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else
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syms = new DecimalFormatSymbols(Locale(locale),
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*status);
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if(syms == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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DecimalFormat *fmt = 0;
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fmt = new DecimalFormat(pat, syms, *parseErr, *status);
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if(fmt == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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delete syms;
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return 0;
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}
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return (UNumberFormat*) fmt;
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}
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}
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U_CAPI void U_EXPORT2
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unum_close(UNumberFormat* fmt)
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{
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delete (NumberFormat*) fmt;
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}
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U_CAPI UNumberFormat* U_EXPORT2
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unum_clone(const UNumberFormat *fmt,
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UErrorCode *status)
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{
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if(U_FAILURE(*status))
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return 0;
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Format *res = ((DecimalFormat*)fmt)->clone();
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if(res == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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return (UNumberFormat*) res;
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}
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U_CAPI int32_t U_EXPORT2
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unum_format( const UNumberFormat* fmt,
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int32_t number,
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UChar* result,
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int32_t resultLength,
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UFieldPosition *pos,
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UErrorCode* status)
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{
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return unum_formatInt64(fmt, number, result, resultLength, pos, status);
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}
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U_CAPI int32_t U_EXPORT2
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unum_formatInt64(const UNumberFormat* fmt,
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int64_t number,
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UChar* result,
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int32_t resultLength,
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UFieldPosition *pos,
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UErrorCode* status)
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{
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if(U_FAILURE(*status))
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return -1;
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UnicodeString res;
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if(!(result==NULL && resultLength==0)) {
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// NULL destination for pure preflighting: empty dummy string
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// otherwise, alias the destination buffer
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res.setTo(result, 0, resultLength);
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}
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FieldPosition fp;
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if(pos != 0)
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fp.setField(pos->field);
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((NumberFormat*)fmt)->format(number, res, fp);
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if(pos != 0) {
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pos->beginIndex = fp.getBeginIndex();
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pos->endIndex = fp.getEndIndex();
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}
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return res.extract(result, resultLength, *status);
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}
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U_CAPI int32_t U_EXPORT2
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unum_formatDouble( const UNumberFormat* fmt,
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double number,
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UChar* result,
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int32_t resultLength,
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UFieldPosition *pos, /* 0 if ignore */
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UErrorCode* status)
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{
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if(U_FAILURE(*status)) return -1;
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UnicodeString res;
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if(!(result==NULL && resultLength==0)) {
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// NULL destination for pure preflighting: empty dummy string
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// otherwise, alias the destination buffer
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res.setTo(result, 0, resultLength);
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}
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FieldPosition fp;
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if(pos != 0)
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fp.setField(pos->field);
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((NumberFormat*)fmt)->format(number, res, fp);
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if(pos != 0) {
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pos->beginIndex = fp.getBeginIndex();
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pos->endIndex = fp.getEndIndex();
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}
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return res.extract(result, resultLength, *status);
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}
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static void
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parseRes(Formattable& res,
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const UNumberFormat* fmt,
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const UChar* text,
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int32_t textLength,
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int32_t *parsePos /* 0 = start */,
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UErrorCode *status)
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{
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if(U_FAILURE(*status))
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return;
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int32_t len = (textLength == -1 ? u_strlen(text) : textLength);
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const UnicodeString src((UChar*)text, len, len);
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ParsePosition pp;
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if(parsePos != 0)
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pp.setIndex(*parsePos);
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((NumberFormat*)fmt)->parse(src, res, pp);
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if(parsePos != 0) {
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if(pp.getErrorIndex() == -1)
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*parsePos = pp.getIndex();
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else {
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*parsePos = pp.getErrorIndex();
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*status = U_PARSE_ERROR;
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}
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}
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}
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U_CAPI int32_t U_EXPORT2
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unum_parse( const UNumberFormat* fmt,
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const UChar* text,
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int32_t textLength,
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int32_t *parsePos /* 0 = start */,
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UErrorCode *status)
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{
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Formattable res;
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parseRes(res, fmt, text, textLength, parsePos, status);
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return res.getLong(status);
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}
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U_CAPI int64_t U_EXPORT2
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unum_parseInt64( const UNumberFormat* fmt,
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const UChar* text,
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int32_t textLength,
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int32_t *parsePos /* 0 = start */,
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UErrorCode *status)
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{
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Formattable res;
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parseRes(res, fmt, text, textLength, parsePos, status);
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return res.getInt64(status);
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}
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U_CAPI double U_EXPORT2
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unum_parseDouble( const UNumberFormat* fmt,
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const UChar* text,
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int32_t textLength,
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int32_t *parsePos /* 0 = start */,
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UErrorCode *status)
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{
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Formattable res;
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parseRes(res, fmt, text, textLength, parsePos, status);
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return res.getDouble(status);
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}
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U_CAPI const char* U_EXPORT2
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unum_getAvailable(int32_t index)
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{
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return uloc_getAvailable(index);
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}
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U_CAPI int32_t U_EXPORT2
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unum_countAvailable()
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{
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return uloc_countAvailable();
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}
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U_CAPI int32_t U_EXPORT2
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unum_getAttribute(const UNumberFormat* fmt,
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UNumberFormatAttribute attr)
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{
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switch(attr) {
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case UNUM_PARSE_INT_ONLY:
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return ((NumberFormat*)fmt)->isParseIntegerOnly();
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case UNUM_GROUPING_USED:
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return ((NumberFormat*)fmt)->isGroupingUsed();
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case UNUM_DECIMAL_ALWAYS_SHOWN:
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return ((DecimalFormat*)fmt)->isDecimalSeparatorAlwaysShown();
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case UNUM_MAX_INTEGER_DIGITS:
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return ((NumberFormat*)fmt)->getMaximumIntegerDigits();
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case UNUM_MIN_INTEGER_DIGITS:
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return ((NumberFormat*)fmt)->getMinimumIntegerDigits();
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case UNUM_INTEGER_DIGITS:
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// TBD: what should this return?
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return ((NumberFormat*)fmt)->getMinimumIntegerDigits();
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case UNUM_MAX_FRACTION_DIGITS:
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return ((NumberFormat*)fmt)->getMaximumFractionDigits();
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case UNUM_MIN_FRACTION_DIGITS:
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return ((NumberFormat*)fmt)->getMinimumFractionDigits();
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case UNUM_FRACTION_DIGITS:
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// TBD: what should this return?
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return ((NumberFormat*)fmt)->getMinimumFractionDigits();
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case UNUM_MULTIPLIER:
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return ((DecimalFormat*)fmt)->getMultiplier();
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case UNUM_GROUPING_SIZE:
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return ((DecimalFormat*)fmt)->getGroupingSize();
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case UNUM_ROUNDING_MODE:
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return ((DecimalFormat*)fmt)->getRoundingMode();
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case UNUM_FORMAT_WIDTH:
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return ((DecimalFormat*)fmt)->getFormatWidth();
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/** The position at which padding will take place. */
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case UNUM_PADDING_POSITION:
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return ((DecimalFormat*)fmt)->getPadPosition();
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default:
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break;
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}
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return -1;
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}
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U_CAPI void U_EXPORT2
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unum_setAttribute( UNumberFormat* fmt,
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UNumberFormatAttribute attr,
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int32_t newValue)
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{
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switch(attr) {
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case UNUM_PARSE_INT_ONLY:
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((NumberFormat*)fmt)->setParseIntegerOnly((UBool)newValue);
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break;
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case UNUM_GROUPING_USED:
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((NumberFormat*)fmt)->setGroupingUsed((UBool)newValue);
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break;
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case UNUM_DECIMAL_ALWAYS_SHOWN:
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((DecimalFormat*)fmt)->setDecimalSeparatorAlwaysShown((UBool)newValue);
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break;
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case UNUM_MAX_INTEGER_DIGITS:
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((NumberFormat*)fmt)->setMaximumIntegerDigits(newValue);
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break;
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case UNUM_MIN_INTEGER_DIGITS:
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((NumberFormat*)fmt)->setMinimumIntegerDigits(newValue);
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break;
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case UNUM_INTEGER_DIGITS:
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((NumberFormat*)fmt)->setMinimumIntegerDigits(newValue);
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((NumberFormat*)fmt)->setMaximumIntegerDigits(newValue);
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break;
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case UNUM_MAX_FRACTION_DIGITS:
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((NumberFormat*)fmt)->setMaximumFractionDigits(newValue);
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break;
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case UNUM_MIN_FRACTION_DIGITS:
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((NumberFormat*)fmt)->setMinimumFractionDigits(newValue);
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break;
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case UNUM_FRACTION_DIGITS:
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((NumberFormat*)fmt)->setMinimumFractionDigits(newValue);
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((NumberFormat*)fmt)->setMaximumFractionDigits(newValue);
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break;
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case UNUM_MULTIPLIER:
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((DecimalFormat*)fmt)->setMultiplier(newValue);
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break;
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case UNUM_GROUPING_SIZE:
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((DecimalFormat*)fmt)->setGroupingSize(newValue);
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break;
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case UNUM_ROUNDING_MODE:
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((DecimalFormat*)fmt)->setRoundingMode((DecimalFormat::ERoundingMode)newValue);
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break;
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case UNUM_FORMAT_WIDTH:
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((DecimalFormat*)fmt)->setFormatWidth(newValue);
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break;
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/** The position at which padding will take place. */
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case UNUM_PADDING_POSITION:
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((DecimalFormat*)fmt)->setPadPosition((DecimalFormat::EPadPosition)newValue);
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break;
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case UNUM_SECONDARY_GROUPING_SIZE:
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((DecimalFormat*)fmt)->setSecondaryGroupingSize(newValue);
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break;
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default:
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/* Shouldn't get here anyway */
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break;
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}
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}
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U_CAPI double U_EXPORT2
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unum_getDoubleAttribute(const UNumberFormat* fmt,
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UNumberFormatAttribute attr)
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{
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if (attr == UNUM_ROUNDING_INCREMENT) {
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return ((DecimalFormat*)fmt)->getRoundingIncrement();
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} else {
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return -1.0;
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}
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}
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U_CAPI void U_EXPORT2
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unum_setDoubleAttribute( UNumberFormat* fmt,
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UNumberFormatAttribute attr,
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double newValue)
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{
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if (attr == UNUM_ROUNDING_INCREMENT) {
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((DecimalFormat*)fmt)->setRoundingIncrement(newValue);
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}
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}
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U_CAPI int32_t U_EXPORT2
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unum_getTextAttribute(const UNumberFormat* fmt,
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UNumberFormatTextAttribute tag,
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UChar* result,
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int32_t resultLength,
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UErrorCode* status)
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{
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if(U_FAILURE(*status))
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return -1;
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UnicodeString res;
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if(!(result==NULL && resultLength==0)) {
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// NULL destination for pure preflighting: empty dummy string
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// otherwise, alias the destination buffer
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res.setTo(result, 0, resultLength);
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}
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switch(tag) {
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case UNUM_POSITIVE_PREFIX:
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((DecimalFormat*)fmt)->getPositivePrefix(res);
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break;
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case UNUM_POSITIVE_SUFFIX:
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((DecimalFormat*)fmt)->getPositiveSuffix(res);
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break;
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case UNUM_NEGATIVE_PREFIX:
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((DecimalFormat*)fmt)->getNegativePrefix(res);
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break;
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case UNUM_NEGATIVE_SUFFIX:
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((DecimalFormat*)fmt)->getNegativeSuffix(res);
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break;
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case UNUM_PADDING_CHARACTER:
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res = ((DecimalFormat*)fmt)->getPadCharacterString();
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break;
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case UNUM_CURRENCY_CODE:
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res = UnicodeString(((DecimalFormat*)fmt)->getCurrency());
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break;
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default:
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*status = U_UNSUPPORTED_ERROR;
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return -1;
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}
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return res.extract(result, resultLength, *status);
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}
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U_CAPI void U_EXPORT2
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unum_setTextAttribute( UNumberFormat* fmt,
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UNumberFormatTextAttribute tag,
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const UChar* newValue,
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int32_t newValueLength,
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UErrorCode *status)
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{
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if(U_FAILURE(*status))
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return;
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int32_t len = (newValueLength == -1 ? u_strlen(newValue) : newValueLength);
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const UnicodeString val((UChar*)newValue, len, len);
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switch(tag) {
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case UNUM_POSITIVE_PREFIX:
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((DecimalFormat*)fmt)->setPositivePrefix(val);
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break;
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case UNUM_POSITIVE_SUFFIX:
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((DecimalFormat*)fmt)->setPositiveSuffix(val);
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break;
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case UNUM_NEGATIVE_PREFIX:
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((DecimalFormat*)fmt)->setNegativePrefix(val);
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break;
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case UNUM_NEGATIVE_SUFFIX:
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((DecimalFormat*)fmt)->setNegativeSuffix(val);
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break;
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case UNUM_PADDING_CHARACTER:
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((DecimalFormat*)fmt)->setPadCharacter(*newValue);
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break;
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case UNUM_CURRENCY_CODE:
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((DecimalFormat*)fmt)->setCurrency(newValue);
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break;
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default:
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*status = U_UNSUPPORTED_ERROR;
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break;
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}
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}
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U_CAPI int32_t U_EXPORT2
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unum_toPattern( const UNumberFormat* fmt,
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UBool isPatternLocalized,
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UChar* result,
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int32_t resultLength,
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UErrorCode* status)
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{
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if(U_FAILURE(*status))
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return -1;
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UnicodeString pat;
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if(!(result==NULL && resultLength==0)) {
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// NULL destination for pure preflighting: empty dummy string
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// otherwise, alias the destination buffer
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pat.setTo(result, 0, resultLength);
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}
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if(isPatternLocalized)
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((DecimalFormat*)fmt)->toLocalizedPattern(pat);
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else
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((DecimalFormat*)fmt)->toPattern(pat);
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return pat.extract(result, resultLength, *status);
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}
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U_CAPI int32_t U_EXPORT2
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|
unum_getSymbol(UNumberFormat *fmt,
|
|
UNumberFormatSymbol symbol,
|
|
UChar *buffer,
|
|
int32_t size,
|
|
UErrorCode *status)
|
|
{
|
|
if(status==NULL || U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
|
|
if(fmt==NULL || (uint16_t)symbol>=UNUM_FORMAT_SYMBOL_COUNT) {
|
|
*status=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
return ((const DecimalFormat *)fmt)->
|
|
getDecimalFormatSymbols()->
|
|
getConstSymbol((DecimalFormatSymbols::ENumberFormatSymbol)symbol).
|
|
extract(buffer, size, *status);
|
|
}
|
|
|
|
U_CAPI void U_EXPORT2
|
|
unum_setSymbol(UNumberFormat *fmt,
|
|
UNumberFormatSymbol symbol,
|
|
const UChar *value,
|
|
int32_t length,
|
|
UErrorCode *status)
|
|
{
|
|
if(status==NULL || U_FAILURE(*status)) {
|
|
return;
|
|
}
|
|
|
|
if(fmt==NULL || (uint16_t)symbol>=UNUM_FORMAT_SYMBOL_COUNT || value==NULL || length<-1) {
|
|
*status=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
|
|
DecimalFormatSymbols symbols(*((DecimalFormat *)fmt)->getDecimalFormatSymbols());
|
|
symbols.setSymbol((DecimalFormatSymbols::ENumberFormatSymbol)symbol,
|
|
UnicodeString(value, length)); /* UnicodeString can handle the case when length = -1. */
|
|
((DecimalFormat *)fmt)->setDecimalFormatSymbols(symbols);
|
|
}
|
|
|
|
U_CAPI void U_EXPORT2
|
|
unum_applyPattern( UNumberFormat *format,
|
|
UBool localized,
|
|
const UChar *pattern,
|
|
int32_t patternLength,
|
|
UParseError *parseError,
|
|
UErrorCode* status)
|
|
{
|
|
UErrorCode tStatus = U_ZERO_ERROR;
|
|
UParseError tParseError;
|
|
|
|
if(parseError == NULL){
|
|
parseError = &tParseError;
|
|
}
|
|
|
|
if(status==NULL){
|
|
status = &tStatus;
|
|
}
|
|
|
|
int32_t len = (patternLength == -1 ? u_strlen(pattern) : patternLength);
|
|
const UnicodeString pat((UChar*)pattern, len, len);
|
|
|
|
// Verify if the object passed is a DecimalFormat object
|
|
if(((NumberFormat*)format)->getDynamicClassID()!= DecimalFormat::getStaticClassID()){
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
|
|
if(localized)
|
|
((DecimalFormat*)format)->applyLocalizedPattern(pat,*parseError, *status);
|
|
else
|
|
((DecimalFormat*)format)->applyPattern(pat,*parseError, *status);
|
|
}
|
|
|
|
U_CAPI const char* U_EXPORT2
|
|
unum_getLocaleByType(const UNumberFormat *fmt,
|
|
ULocDataLocaleType type,
|
|
UErrorCode* status)
|
|
{
|
|
if(fmt==NULL){
|
|
return NULL;
|
|
}
|
|
return ((Format *)fmt)->getLocaleInternal(type, *status);
|
|
}
|
|
|
|
#endif /* #if !UCONFIG_NO_FORMATTING */
|