319 lines
8.8 KiB
C++
319 lines
8.8 KiB
C++
/*
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********************************************************************************
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* Copyright (C) 2005-2006, International Business Machines
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* Corporation and others. All Rights Reserved.
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********************************************************************************
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*
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* File WINNMFMT.CPP
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*
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********************************************************************************
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*/
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#include "unicode/utypes.h"
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#ifdef U_WINDOWS
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#if !UCONFIG_NO_FORMATTING
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#include "winnmfmt.h"
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#include "unicode/format.h"
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#include "unicode/numfmt.h"
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#include "unicode/locid.h"
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#include "unicode/ustring.h"
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#include "cmemory.h"
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#include "locmap.h"
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# define WIN32_LEAN_AND_MEAN
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# define VC_EXTRALEAN
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# define NOUSER
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# define NOSERVICE
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# define NOIME
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# define NOMCX
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#include <windows.h>
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#include <stdio.h>
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U_NAMESPACE_BEGIN
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union FormatInfo
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{
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NUMBERFMTW number;
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CURRENCYFMTW currency;
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};
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(Win32NumberFormat)
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#define NEW_ARRAY(type,count) (type *) uprv_malloc((count) * sizeof(type))
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#define DELETE_ARRAY(array) uprv_free((void *) (array))
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#define STACK_BUFFER_SIZE 32
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/*
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* Turns a string of the form "3;2;0" into the grouping UINT
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* needed for NUMBERFMT and CURRENCYFMT. If there's only one
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* group in the string, that means that there's only one group,
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* and the return value should be multiplied by 10. (e.g. "3" => 30)
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*/
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static UINT getGrouping(const char *grouping)
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{
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UINT g = 0;
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UINT c = 0;
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for (const char *s = grouping; *s != '\0'; s += 1) {
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if (*s > '0' && *s < '9') {
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g = g * 10 + (*s - '0');
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} else if (*s == ';') {
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c += 1;
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}
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}
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if (c == 0) {
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g *= 10;
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}
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return g;
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}
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static void getNumberFormat(NUMBERFMTW *fmt, int32_t lcid)
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{
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char buf[10];
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GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_IDIGITS, (LPWSTR) &fmt->NumDigits, sizeof(UINT));
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GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_ILZERO, (LPWSTR) &fmt->LeadingZero, sizeof(UINT));
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GetLocaleInfoA(lcid, LOCALE_SGROUPING, buf, 10);
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fmt->Grouping = getGrouping(buf);
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fmt->lpDecimalSep = NEW_ARRAY(UChar, 6);
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GetLocaleInfoW(lcid, LOCALE_SDECIMAL, fmt->lpDecimalSep, 6);
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fmt->lpThousandSep = NEW_ARRAY(UChar, 6);
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GetLocaleInfoW(lcid, LOCALE_STHOUSAND, fmt->lpThousandSep, 6);
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GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_INEGNUMBER, (LPWSTR) &fmt->NegativeOrder, sizeof(UINT));
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}
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static void freeNumberFormat(NUMBERFMTW *fmt)
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{
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DELETE_ARRAY(fmt->lpThousandSep);
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DELETE_ARRAY(fmt->lpDecimalSep);
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}
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static void getCurrencyFormat(CURRENCYFMTW *fmt, int32_t lcid)
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{
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char buf[10];
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GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_ICURRDIGITS, (LPWSTR) &fmt->NumDigits, sizeof(UINT));
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GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_ILZERO, (LPWSTR) &fmt->LeadingZero, sizeof(UINT));
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GetLocaleInfoA(lcid, LOCALE_SMONGROUPING, buf, sizeof(buf));
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fmt->Grouping = getGrouping(buf);
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fmt->lpDecimalSep = NEW_ARRAY(UChar, 6);
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GetLocaleInfoW(lcid, LOCALE_SMONDECIMALSEP, fmt->lpDecimalSep, 6);
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fmt->lpThousandSep = NEW_ARRAY(UChar, 6);
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GetLocaleInfoW(lcid, LOCALE_SMONTHOUSANDSEP, fmt->lpThousandSep, 6);
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GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_INEGCURR, (LPWSTR) &fmt->NegativeOrder, sizeof(UINT));
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GetLocaleInfoW(lcid, LOCALE_RETURN_NUMBER|LOCALE_ICURRENCY, (LPWSTR) &fmt->PositiveOrder, sizeof(UINT));
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fmt->lpCurrencySymbol = NEW_ARRAY(UChar, 8);
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GetLocaleInfoW(lcid, LOCALE_SCURRENCY, (LPWSTR) fmt->lpCurrencySymbol, 8);
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}
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static void freeCurrencyFormat(CURRENCYFMTW *fmt)
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{
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DELETE_ARRAY(fmt->lpCurrencySymbol);
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DELETE_ARRAY(fmt->lpThousandSep);
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DELETE_ARRAY(fmt->lpDecimalSep);
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}
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// TODO: keep locale too?
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Win32NumberFormat::Win32NumberFormat(const Locale &locale, UBool currency, UErrorCode &status)
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: NumberFormat(), fCurrency(currency), fFractionDigitsSet(FALSE)
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{
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if (!U_FAILURE(status)) {
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fLCID = locale.getLCID();
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fFormatInfo = new FormatInfo();
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if (fCurrency) {
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getCurrencyFormat(&fFormatInfo->currency, fLCID);
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} else {
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getNumberFormat(&fFormatInfo->number, fLCID);
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}
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}
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}
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Win32NumberFormat::Win32NumberFormat(const Win32NumberFormat &other)
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: NumberFormat(other)
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{
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*this = other;
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}
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Win32NumberFormat::~Win32NumberFormat()
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{
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if (fCurrency) {
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freeCurrencyFormat(&fFormatInfo->currency);
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} else {
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freeNumberFormat(&fFormatInfo->number);
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}
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delete fFormatInfo;
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}
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Win32NumberFormat &Win32NumberFormat::operator=(const Win32NumberFormat &other)
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{
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NumberFormat::operator=(other);
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this->fCurrency = other.fCurrency;
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this->fLCID = other.fLCID;
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this->fFractionDigitsSet = other.fFractionDigitsSet;
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this->fFormatInfo = new FormatInfo;
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*this->fFormatInfo = *other.fFormatInfo;
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return *this;
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}
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Format *Win32NumberFormat::clone(void) const
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{
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return new Win32NumberFormat(*this);
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}
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UnicodeString& Win32NumberFormat::format(double number, UnicodeString& appendTo, FieldPosition& pos) const
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{
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return format(getMaximumFractionDigits(), appendTo, L"%f", number);
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}
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UnicodeString& Win32NumberFormat::format(int32_t number, UnicodeString& appendTo, FieldPosition& pos) const
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{
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return format(getMinimumFractionDigits(), appendTo, L"%I32d", number);
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}
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UnicodeString& Win32NumberFormat::format(int64_t number, UnicodeString& appendTo, FieldPosition& pos) const
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{
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return format(getMinimumFractionDigits(), appendTo, L"%I64d", number);
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}
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// TODO: cache Locale and NumberFormat? Could keep locale passed to constructor...
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void Win32NumberFormat::parse(const UnicodeString& text, Formattable& result, ParsePosition& parsePosition) const
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{
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UErrorCode status = U_ZERO_ERROR;
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Locale loc(uprv_convertToPosix(fLCID, &status));
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NumberFormat *nf = fCurrency? NumberFormat::createCurrencyInstance(loc, status) : NumberFormat::createInstance(loc, status);
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nf->parse(text, result, parsePosition);
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delete nf;
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}
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void Win32NumberFormat::setMaximumFractionDigits(int32_t newValue)
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{
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fFractionDigitsSet = TRUE;
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NumberFormat::setMaximumFractionDigits(newValue);
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}
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void Win32NumberFormat::setMinimumFractionDigits(int32_t newValue)
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{
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fFractionDigitsSet = TRUE;
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NumberFormat::setMinimumFractionDigits(newValue);
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}
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UnicodeString &Win32NumberFormat::format(int32_t numDigits, UnicodeString &appendTo, wchar_t *fmt, ...) const
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{
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wchar_t nStackBuffer[STACK_BUFFER_SIZE];
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wchar_t *nBuffer = nStackBuffer;
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va_list args;
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int result;
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nBuffer[0] = 0x0000;
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va_start(args, fmt);
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result = vswprintf(nBuffer, STACK_BUFFER_SIZE, fmt, args);
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va_end(args);
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if (result < 0) {
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int newLength;
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va_start(args, fmt);
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newLength = _vscwprintf(fmt, args);
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va_end(args);
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nBuffer = NEW_ARRAY(UChar, newLength + 1);
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va_start(args, fmt);
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result = vswprintf(nBuffer, newLength + 1, fmt, args);
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va_end(args);
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}
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UChar stackBuffer[STACK_BUFFER_SIZE];
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UChar *buffer = stackBuffer;
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FormatInfo formatInfo;
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formatInfo = *fFormatInfo;
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buffer[0] = 0x0000;
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if (fCurrency) {
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if (fFractionDigitsSet) {
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formatInfo.currency.NumDigits = (UINT) numDigits;
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}
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if (!isGroupingUsed()) {
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formatInfo.currency.Grouping = 0;
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}
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result = GetCurrencyFormatW(fLCID, 0, nBuffer, &formatInfo.currency, buffer, STACK_BUFFER_SIZE);
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if (result == 0) {
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DWORD lastError = GetLastError();
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if (lastError == ERROR_INSUFFICIENT_BUFFER) {
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int newLength = GetCurrencyFormatW(fLCID, 0, nBuffer, &formatInfo.currency, NULL, 0);
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buffer = NEW_ARRAY(UChar, newLength);
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buffer[0] = 0x0000;
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GetCurrencyFormatW(fLCID, 0, nBuffer, &formatInfo.currency, buffer, newLength);
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}
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}
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} else {
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if (fFractionDigitsSet) {
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formatInfo.number.NumDigits = (UINT) numDigits;
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}
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if (!isGroupingUsed()) {
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formatInfo.number.Grouping = 0;
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}
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result = GetNumberFormatW(fLCID, 0, nBuffer, &formatInfo.number, buffer, STACK_BUFFER_SIZE);
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if (result == 0) {
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if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
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int newLength = GetNumberFormatW(fLCID, 0, nBuffer, &formatInfo.number, NULL, 0);
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buffer = NEW_ARRAY(UChar, newLength);
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buffer[0] = 0x0000;
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GetNumberFormatW(fLCID, 0, nBuffer, &formatInfo.number, buffer, newLength);
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}
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}
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}
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appendTo.append(buffer, (int32_t) wcslen(buffer));
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if (buffer != stackBuffer) {
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DELETE_ARRAY(buffer);
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}
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if (nBuffer != nStackBuffer) {
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DELETE_ARRAY(nBuffer);
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}
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return appendTo;
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}
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_FORMATTING */
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#endif // #ifdef U_WINDOWS
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