+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
-* Copyright (C) 2009-2012, International Business Machines Corporation and
+* Copyright (C) 2009-2015, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*
* File PLURFMT.CPP
-*
-* Modification History:
-*
-* Date Name Description
*******************************************************************************
*/
+#include "unicode/decimfmt.h"
#include "unicode/messagepattern.h"
#include "unicode/plurfmt.h"
#include "unicode/plurrule.h"
#include "unicode/utypes.h"
#include "cmemory.h"
#include "messageimpl.h"
+#include "nfrule.h"
#include "plurrule_impl.h"
#include "uassert.h"
#include "uhash.h"
+#include "number_decimalquantity.h"
+#include "number_utils.h"
+#include "number_utypes.h"
#if !UCONFIG_NO_FORMATTING
U_NAMESPACE_BEGIN
+using number::impl::DecimalQuantity;
+
static const UChar OTHER_STRING[] = {
0x6F, 0x74, 0x68, 0x65, 0x72, 0 // "other"
};
if (U_FAILURE(status)) return appendTo;
if (obj.isNumeric()) {
- return format(obj.getDouble(), appendTo, pos, status);
+ return format(obj, obj.getDouble(), appendTo, pos, status);
} else {
status = U_ILLEGAL_ARGUMENT_ERROR;
return appendTo;
UnicodeString
PluralFormat::format(int32_t number, UErrorCode& status) const {
- FieldPosition fpos(0);
+ FieldPosition fpos(FieldPosition::DONT_CARE);
UnicodeString result;
- return format(number, result, fpos, status);
+ return format(Formattable(number), number, result, fpos, status);
}
UnicodeString
PluralFormat::format(double number, UErrorCode& status) const {
- FieldPosition fpos(0);
+ FieldPosition fpos(FieldPosition::DONT_CARE);
UnicodeString result;
- return format(number, result, fpos, status);
+ return format(Formattable(number), number, result, fpos, status);
}
UnicodeString& appendTo,
FieldPosition& pos,
UErrorCode& status) const {
- return format((double)number, appendTo, pos, status);
+ return format(Formattable(number), (double)number, appendTo, pos, status);
}
UnicodeString&
UnicodeString& appendTo,
FieldPosition& pos,
UErrorCode& status) const {
+ return format(Formattable(number), (double)number, appendTo, pos, status);
+}
+
+UnicodeString&
+PluralFormat::format(const Formattable& numberObject, double number,
+ UnicodeString& appendTo,
+ FieldPosition& pos,
+ UErrorCode& status) const {
if (U_FAILURE(status)) {
return appendTo;
}
if (msgPattern.countParts() == 0) {
- return numberFormat->format(number, appendTo, pos);
+ return numberFormat->format(numberObject, appendTo, pos, status);
}
+
// Get the appropriate sub-message.
- int32_t partIndex = findSubMessage(msgPattern, 0, pluralRulesWrapper, number, status);
+ // Select it based on the formatted number-offset.
+ double numberMinusOffset = number - offset;
+ // Call NumberFormatter to get both the DecimalQuantity and the string.
+ // This call site needs to use more internal APIs than the Java equivalent.
+ number::impl::UFormattedNumberData data;
+ if (offset == 0) {
+ // could be BigDecimal etc.
+ numberObject.populateDecimalQuantity(data.quantity, status);
+ } else {
+ data.quantity.setToDouble(numberMinusOffset);
+ }
+ UnicodeString numberString;
+ auto *decFmt = dynamic_cast<DecimalFormat *>(numberFormat);
+ if(decFmt != nullptr) {
+ decFmt->toNumberFormatter().formatImpl(&data, status); // mutates &data
+ numberString = data.getStringRef().toUnicodeString();
+ } else {
+ if (offset == 0) {
+ numberFormat->format(numberObject, numberString, status);
+ } else {
+ numberFormat->format(numberMinusOffset, numberString, status);
+ }
+ }
+
+ int32_t partIndex = findSubMessage(msgPattern, 0, pluralRulesWrapper, &data.quantity, number, status);
+ if (U_FAILURE(status)) { return appendTo; }
// Replace syntactic # signs in the top level of this sub-message
// (not in nested arguments) with the formatted number-offset.
const UnicodeString& pattern = msgPattern.getPatternString();
- number -= offset;
int32_t prevIndex = msgPattern.getPart(partIndex).getLimit();
for (;;) {
const MessagePattern::Part& part = msgPattern.getPart(++partIndex);
(type == UMSGPAT_PART_TYPE_SKIP_SYNTAX && MessageImpl::jdkAposMode(msgPattern))) {
appendTo.append(pattern, prevIndex, index - prevIndex);
if (type == UMSGPAT_PART_TYPE_REPLACE_NUMBER) {
- numberFormat->format(number, appendTo);
+ appendTo.append(numberString);
}
prevIndex = part.getLimit();
} else if (type == UMSGPAT_PART_TYPE_ARG_START) {
}
int32_t PluralFormat::findSubMessage(const MessagePattern& pattern, int32_t partIndex,
- const PluralSelector& selector, double number, UErrorCode& ec) {
+ const PluralSelector& selector, void *context,
+ double number, UErrorCode& ec) {
if (U_FAILURE(ec)) {
return 0;
}
} else {
offset=0;
}
- // The keyword is empty until we need to match against non-explicit, not-"other" value.
+ // The keyword is empty until we need to match against a non-explicit, not-"other" value.
// Then we get the keyword from the selector.
// (In other words, we never call the selector if we match against an explicit value,
// or if the only non-explicit keyword is "other".)
}
} else {
if(keyword.isEmpty()) {
- keyword=selector.select(number-offset, ec);
+ keyword=selector.select(context, number-offset, ec);
if(msgStart!=0 && (0 == keyword.compare(other))) {
// We have already seen an "other" sub-message.
// Do not match "other" again.
return msgStart;
}
+void PluralFormat::parseType(const UnicodeString& source, const NFRule *rbnfLenientScanner, Formattable& result, FieldPosition& pos) const {
+ // If no pattern was applied, return null.
+ if (msgPattern.countParts() == 0) {
+ pos.setBeginIndex(-1);
+ pos.setEndIndex(-1);
+ return;
+ }
+ int partIndex = 0;
+ int currMatchIndex;
+ int count=msgPattern.countParts();
+ int startingAt = pos.getBeginIndex();
+ if (startingAt < 0) {
+ startingAt = 0;
+ }
+
+ // The keyword is null until we need to match against a non-explicit, not-"other" value.
+ // Then we get the keyword from the selector.
+ // (In other words, we never call the selector if we match against an explicit value,
+ // or if the only non-explicit keyword is "other".)
+ UnicodeString keyword;
+ UnicodeString matchedWord;
+ const UnicodeString& pattern = msgPattern.getPatternString();
+ int matchedIndex = -1;
+ // Iterate over (ARG_SELECTOR ARG_START message ARG_LIMIT) tuples
+ // until the end of the plural-only pattern.
+ while (partIndex < count) {
+ const MessagePattern::Part* partSelector = &msgPattern.getPart(partIndex++);
+ if (partSelector->getType() != UMSGPAT_PART_TYPE_ARG_SELECTOR) {
+ // Bad format
+ continue;
+ }
+
+ const MessagePattern::Part* partStart = &msgPattern.getPart(partIndex++);
+ if (partStart->getType() != UMSGPAT_PART_TYPE_MSG_START) {
+ // Bad format
+ continue;
+ }
+
+ const MessagePattern::Part* partLimit = &msgPattern.getPart(partIndex++);
+ if (partLimit->getType() != UMSGPAT_PART_TYPE_MSG_LIMIT) {
+ // Bad format
+ continue;
+ }
+
+ UnicodeString currArg = pattern.tempSubString(partStart->getLimit(), partLimit->getIndex() - partStart->getLimit());
+ if (rbnfLenientScanner != NULL) {
+ // If lenient parsing is turned ON, we've got some time consuming parsing ahead of us.
+ int32_t length = -1;
+ currMatchIndex = rbnfLenientScanner->findTextLenient(source, currArg, startingAt, &length);
+ }
+ else {
+ currMatchIndex = source.indexOf(currArg, startingAt);
+ }
+ if (currMatchIndex >= 0 && currMatchIndex >= matchedIndex && currArg.length() > matchedWord.length()) {
+ matchedIndex = currMatchIndex;
+ matchedWord = currArg;
+ keyword = pattern.tempSubString(partStart->getLimit(), partLimit->getIndex() - partStart->getLimit());
+ }
+ }
+ if (matchedIndex >= 0) {
+ pos.setBeginIndex(matchedIndex);
+ pos.setEndIndex(matchedIndex + matchedWord.length());
+ result.setString(keyword);
+ return;
+ }
+
+ // Not found!
+ pos.setBeginIndex(-1);
+ pos.setEndIndex(-1);
+}
+
PluralFormat::PluralSelector::~PluralSelector() {}
PluralFormat::PluralSelectorAdapter::~PluralSelectorAdapter() {
delete pluralRules;
}
-UnicodeString PluralFormat::PluralSelectorAdapter::select(double number,
+UnicodeString PluralFormat::PluralSelectorAdapter::select(void *context, double number,
UErrorCode& /*ec*/) const {
- return pluralRules->select(number);
+ (void)number; // unused except in the assertion
+ IFixedDecimal *dec=static_cast<IFixedDecimal *>(context);
+ return pluralRules->select(*dec);
}
void PluralFormat::PluralSelectorAdapter::reset() {
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