scuffed-code/icu4c/source/i18n/dcfmtsym.cpp
George Rhoten 70cf40862e ICU-2256 Performance enhancement.
Make ustdio %e start up faster, especially since it's not using currency data.

X-SVN-Rev: 12622
2003-07-12 00:23:05 +00:00

242 lines
8.1 KiB
C++

/*
*******************************************************************************
* Copyright (C) 1997-2003, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*
* File DCFMTSYM.CPP
*
* Modification History:
*
* Date Name Description
* 02/19/97 aliu Converted from java.
* 03/18/97 clhuang Implemented with C++ APIs.
* 03/27/97 helena Updated to pass the simple test after code review.
* 08/26/97 aliu Added currency/intl currency symbol support.
* 07/20/98 stephen Slightly modified initialization of monetarySeparator
********************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/dcfmtsym.h"
#include "unicode/resbund.h"
#include "unicode/decimfmt.h"
#include "unicode/ucurr.h"
#include "unicode/choicfmt.h"
#include "ucurrimp.h"
// *****************************************************************************
// class DecimalFormatSymbols
// *****************************************************************************
U_NAMESPACE_BEGIN
const char DecimalFormatSymbols::fgClassID=0;
const char DecimalFormatSymbols::fgNumberElements[] = "NumberElements";
static const UChar INTL_CURRENCY_SYMBOL_STR[] = {0xa4, 0xa4, 0};
// -------------------------------------
// Initializes this with the decimal format symbols in the default locale.
DecimalFormatSymbols::DecimalFormatSymbols(UErrorCode& status)
: UObject()
{
initialize(Locale::getDefault(), status, TRUE);
}
// -------------------------------------
// Initializes this with the decimal format symbols in the desired locale.
DecimalFormatSymbols::DecimalFormatSymbols(const Locale& loc, UErrorCode& status)
: UObject()
{
initialize(loc, status);
}
// -------------------------------------
DecimalFormatSymbols::~DecimalFormatSymbols()
{
}
// -------------------------------------
// copy constructor
DecimalFormatSymbols::DecimalFormatSymbols(const DecimalFormatSymbols &source)
: UObject(source)
{
int i;
for(i = 0; i < (int)kFormatSymbolCount; ++i) {
// fastCopyFrom is safe, see docs on fSymbols
fSymbols[(ENumberFormatSymbol)i].fastCopyFrom(source.fSymbols[(ENumberFormatSymbol)i]);
}
}
// -------------------------------------
// assignment operator
DecimalFormatSymbols&
DecimalFormatSymbols::operator=(const DecimalFormatSymbols& rhs)
{
if (this != &rhs)
{
int i;
for(i = 0; i < (int)kFormatSymbolCount; ++i) {
// fastCopyFrom is safe, see docs on fSymbols
fSymbols[(ENumberFormatSymbol)i].fastCopyFrom(rhs.fSymbols[(ENumberFormatSymbol)i]);
}
}
return *this;
}
// -------------------------------------
UBool
DecimalFormatSymbols::operator==(const DecimalFormatSymbols& that) const
{
if (this == &that) {
return TRUE;
}
int i;
for(i = 0; i < (int)kFormatSymbolCount; ++i) {
if(fSymbols[(ENumberFormatSymbol)i] != that.fSymbols[(ENumberFormatSymbol)i]) {
return FALSE;
}
}
return TRUE;
}
// -------------------------------------
void
DecimalFormatSymbols::initialize(const Locale& loc, UErrorCode& status,
UBool useLastResortData)
{
if (U_FAILURE(status)) return;
this->locale = loc;
ResourceBundle resource((char *)0, loc, status);
if (U_FAILURE(status))
{
// Initializes with last resort data if necessary.
if (useLastResortData)
{
status = U_USING_FALLBACK_WARNING;
initialize();
}
return;
}
// Gets the number element array.
int32_t i = 0;
ResourceBundle numberElementsRes = resource.get(fgNumberElements, status);
int32_t numberElementsLength = numberElementsRes.getSize();
// If the array size is too small, something is wrong with the resource
// bundle, returns the failure error code.
if (numberElementsLength < 11) {
status = U_INVALID_FORMAT_ERROR;
return;
}
UnicodeString numberElements[kFormatSymbolCount];
for(i = 0; i<numberElementsLength; i++) {
numberElements[i].fastCopyFrom(numberElementsRes.getStringEx(i, status));
}
if (U_FAILURE(status)) {
return;
}
initialize(numberElements, numberElementsLength);
// Obtain currency data from the currency API. This is strictly
// for backward compatibility; we don't use DecimalFormatSymbols
// for currency data anymore.
UErrorCode ec = U_ZERO_ERROR; // don't propagate failures out
const char* l = loc.getName();
const UChar* curriso = ucurr_forLocale(l, &ec);
UnicodeString currname;
uprv_getStaticCurrencyName(curriso, l, currname, ec);
if (U_SUCCESS(ec)) {
fSymbols[kIntlCurrencySymbol] = curriso;
fSymbols[kCurrencySymbol] = currname;
}
/* else use the default values. */
}
// Initializes the DecimalFormatSymbol instance with the data obtained
// from ResourceBundle in the desired locale.
void
DecimalFormatSymbols::initialize(const UnicodeString* numberElements, int32_t numberElementsLength)
{
fSymbols[kDecimalSeparatorSymbol].fastCopyFrom(numberElements[0]);
fSymbols[kGroupingSeparatorSymbol].fastCopyFrom(numberElements[1]);
fSymbols[kPatternSeparatorSymbol].fastCopyFrom(numberElements[2]);
fSymbols[kPercentSymbol].fastCopyFrom(numberElements[3]);
fSymbols[kZeroDigitSymbol].fastCopyFrom(numberElements[4]);
fSymbols[kDigitSymbol].fastCopyFrom(numberElements[5]);
fSymbols[kMinusSignSymbol].fastCopyFrom(numberElements[6]);
fSymbols[kExponentialSymbol].fastCopyFrom(numberElements[7]);
fSymbols[kPerMillSymbol].fastCopyFrom(numberElements[8]);
fSymbols[kPadEscapeSymbol] = (UChar)0x002a; // '*' Hard coded for now; get from resource later
fSymbols[kInfinitySymbol].fastCopyFrom(numberElements[9]);
fSymbols[kNaNSymbol].fastCopyFrom(numberElements[10]);
// If there is a currency decimal, use it.
fSymbols[kMonetarySeparatorSymbol].fastCopyFrom(numberElements[numberElementsLength >= 12 ? 11 : 0]);
if (numberElementsLength >= 13) {
fSymbols[kPlusSignSymbol].fastCopyFrom(numberElements[12]);
}
else {
/* This locale really needs to be updated. This locale is out of date. */
fSymbols[kPlusSignSymbol] = (UChar)0x002B; /* + */
}
// Default values until it's set later on.
fSymbols[kCurrencySymbol] = (UChar)0xa4; // 'OX' currency symbol
fSymbols[kIntlCurrencySymbol] = INTL_CURRENCY_SYMBOL_STR;
}
// initialize with default values
void
DecimalFormatSymbols::initialize() {
/*
* These strings used to be in static arrays, but the HP/UX aCC compiler
* cannot initialize a static array with class constructors.
* markus 2000may25
*/
fSymbols[kDecimalSeparatorSymbol] = (UChar)0x2e; // '.' decimal separator
fSymbols[kGroupingSeparatorSymbol].remove(); // group (thousands) separator
fSymbols[kPatternSeparatorSymbol] = (UChar)0x3b; // ';' pattern separator
fSymbols[kPercentSymbol] = (UChar)0x25; // '%' percent sign
fSymbols[kZeroDigitSymbol] = (UChar)0x30; // '0' native 0 digit
fSymbols[kDigitSymbol] = (UChar)0x23; // '#' pattern digit
fSymbols[kPlusSignSymbol] = (UChar)0x002b; // '+' plus sign
fSymbols[kMinusSignSymbol] = (UChar)0x2d; // '-' minus sign
fSymbols[kCurrencySymbol] = (UChar)0xa4; // 'OX' currency symbol
fSymbols[kIntlCurrencySymbol] = INTL_CURRENCY_SYMBOL_STR;
fSymbols[kMonetarySeparatorSymbol] = (UChar)0x2e; // '.' monetary decimal separator
fSymbols[kExponentialSymbol] = (UChar)0x45; // 'E' exponential
fSymbols[kPerMillSymbol] = (UChar)0x2030; // '%o' per mill
fSymbols[kPadEscapeSymbol] = (UChar)0x2a; // '*' pad escape symbol
fSymbols[kInfinitySymbol] = (UChar)0x221e; // 'oo' infinite
fSymbols[kNaNSymbol] = (UChar)0xfffd; // SUB NaN
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
//eof