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// Copyright (C) 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.
*
* file name: digitaffix.cpp
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "digitaffix.h"
#include "fphdlimp.h"
#include "uassert.h"
#include "unistrappender.h"
U_NAMESPACE_BEGIN
DigitAffix::DigitAffix() : fAffix(), fAnnotations() {
}
DigitAffix::DigitAffix(
const UChar *value, int32_t charCount, int32_t fieldId)
: fAffix(value, charCount),
fAnnotations(charCount, (UChar) fieldId, charCount) {
}
void
DigitAffix::remove() {
fAffix.remove();
fAnnotations.remove();
}
void
DigitAffix::appendUChar(UChar value, int32_t fieldId) {
fAffix.append(value);
fAnnotations.append((UChar) fieldId);
}
void
DigitAffix::append(const UnicodeString &value, int32_t fieldId) {
fAffix.append(value);
{
UnicodeStringAppender appender(fAnnotations);
int32_t len = value.length();
for (int32_t i = 0; i < len; ++i) {
appender.append((UChar) fieldId);
}
}
}
void
DigitAffix::setTo(const UnicodeString &value, int32_t fieldId) {
fAffix = value;
fAnnotations.remove();
{
UnicodeStringAppender appender(fAnnotations);
int32_t len = value.length();
for (int32_t i = 0; i < len; ++i) {
appender.append((UChar) fieldId);
}
}
}
void
DigitAffix::append(const UChar *value, int32_t charCount, int32_t fieldId) {
fAffix.append(value, charCount);
{
UnicodeStringAppender appender(fAnnotations);
for (int32_t i = 0; i < charCount; ++i) {
appender.append((UChar) fieldId);
}
}
}
UnicodeString &
DigitAffix::format(FieldPositionHandler &handler, UnicodeString &appendTo) const {
int32_t len = fAffix.length();
if (len == 0) {
return appendTo;
}
if (!handler.isRecording()) {
return appendTo.append(fAffix);
}
U_ASSERT(fAffix.length() == fAnnotations.length());
int32_t appendToStart = appendTo.length();
int32_t lastId = (int32_t) fAnnotations.charAt(0);
int32_t lastIdStart = 0;
for (int32_t i = 1; i < len; ++i) {
int32_t id = (int32_t) fAnnotations.charAt(i);
if (id != lastId) {
if (lastId != UNUM_FIELD_COUNT) {
handler.addAttribute(lastId, appendToStart + lastIdStart, appendToStart + i);
}
lastId = id;
lastIdStart = i;
}
}
if (lastId != UNUM_FIELD_COUNT) {
handler.addAttribute(lastId, appendToStart + lastIdStart, appendToStart + len);
}
return appendTo.append(fAffix);
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
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