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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2015, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*/
#include "unicode/plurrule.h"
#include "unicode/unistr.h"
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "digitformatter.h"
#include "digitgrouping.h"
#include "digitinterval.h"
#include "digitlst.h"
#include "precision.h"
#include "plurrule_impl.h"
#include "smallintformatter.h"
#include "uassert.h"
#include "valueformatter.h"
#include "visibledigits.h"
U_NAMESPACE_BEGIN
ValueFormatter::~ValueFormatter() {}
VisibleDigitsWithExponent &
ValueFormatter::toVisibleDigitsWithExponent(
int64_t value,
VisibleDigitsWithExponent &digits,
UErrorCode &status) const {
switch (fType) {
case kFixedDecimal:
return fFixedPrecision->initVisibleDigitsWithExponent(
value, digits, status);
break;
case kScientificNotation:
return fScientificPrecision->initVisibleDigitsWithExponent(
value, digits, status);
break;
default:
U_ASSERT(FALSE);
break;
}
return digits;
}
VisibleDigitsWithExponent &
ValueFormatter::toVisibleDigitsWithExponent(
DigitList &value,
VisibleDigitsWithExponent &digits,
UErrorCode &status) const {
switch (fType) {
case kFixedDecimal:
return fFixedPrecision->initVisibleDigitsWithExponent(
value, digits, status);
break;
case kScientificNotation:
return fScientificPrecision->initVisibleDigitsWithExponent(
value, digits, status);
break;
default:
U_ASSERT(FALSE);
break;
}
return digits;
}
static UBool isNoGrouping(
const DigitGrouping &grouping,
int32_t value,
const FixedPrecision &precision) {
IntDigitCountRange range(
precision.fMin.getIntDigitCount(),
precision.fMax.getIntDigitCount());
return grouping.isNoGrouping(value, range);
}
UBool
ValueFormatter::isFastFormattable(int32_t value) const {
switch (fType) {
case kFixedDecimal:
{
if (value == INT32_MIN) {
return FALSE;
}
if (value < 0) {
value = -value;
}
return fFixedPrecision->isFastFormattable() && fFixedOptions->isFastFormattable() && isNoGrouping(*fGrouping, value, *fFixedPrecision);
}
case kScientificNotation:
return FALSE;
default:
U_ASSERT(FALSE);
break;
}
return FALSE;
}
DigitList &
ValueFormatter::round(DigitList &value, UErrorCode &status) const {
if (value.isNaN() || value.isInfinite()) {
return value;
}
switch (fType) {
case kFixedDecimal:
return fFixedPrecision->round(value, 0, status);
case kScientificNotation:
return fScientificPrecision->round(value, status);
default:
U_ASSERT(FALSE);
break;
}
return value;
}
UnicodeString &
ValueFormatter::formatInt32(
int32_t value,
FieldPositionHandler &handler,
UnicodeString &appendTo) const {
switch (fType) {
case kFixedDecimal:
{
IntDigitCountRange range(
fFixedPrecision->fMin.getIntDigitCount(),
fFixedPrecision->fMax.getIntDigitCount());
return fDigitFormatter->formatPositiveInt32(
value,
range,
handler,
appendTo);
}
break;
case kScientificNotation:
default:
U_ASSERT(FALSE);
break;
}
return appendTo;
}
UnicodeString &
ValueFormatter::format(
const VisibleDigitsWithExponent &value,
FieldPositionHandler &handler,
UnicodeString &appendTo) const {
switch (fType) {
case kFixedDecimal:
return fDigitFormatter->format(
value.getMantissa(),
*fGrouping,
*fFixedOptions,
handler,
appendTo);
break;
case kScientificNotation:
return fDigitFormatter->format(
value,
*fScientificOptions,
handler,
appendTo);
break;
default:
U_ASSERT(FALSE);
break;
}
return appendTo;
}
int32_t
ValueFormatter::countChar32(const VisibleDigitsWithExponent &value) const {
switch (fType) {
case kFixedDecimal:
return fDigitFormatter->countChar32(
value.getMantissa(),
*fGrouping,
*fFixedOptions);
break;
case kScientificNotation:
return fDigitFormatter->countChar32(
value,
*fScientificOptions);
break;
default:
U_ASSERT(FALSE);
break;
}
return 0;
}
void
ValueFormatter::prepareFixedDecimalFormatting(
const DigitFormatter &formatter,
const DigitGrouping &grouping,
const FixedPrecision &precision,
const DigitFormatterOptions &options) {
fType = kFixedDecimal;
fDigitFormatter = &formatter;
fGrouping = &grouping;
fFixedPrecision = &precision;
fFixedOptions = &options;
}
void
ValueFormatter::prepareScientificFormatting(
const DigitFormatter &formatter,
const ScientificPrecision &precision,
const SciFormatterOptions &options) {
fType = kScientificNotation;
fDigitFormatter = &formatter;
fScientificPrecision = &precision;
fScientificOptions = &options;
}
U_NAMESPACE_END
#endif /* !UCONFIG_NO_FORMATTING */
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