110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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* Copyright (C) 2015, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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* file name: digitaffix.cpp
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "digitaffix.h"
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#include "fphdlimp.h"
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#include "uassert.h"
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#include "unistrappender.h"
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U_NAMESPACE_BEGIN
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DigitAffix::DigitAffix() : fAffix(), fAnnotations() {
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}
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DigitAffix::DigitAffix(
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const UChar *value, int32_t charCount, int32_t fieldId)
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: fAffix(value, charCount),
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fAnnotations(charCount, (UChar) fieldId, charCount) {
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}
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void
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DigitAffix::remove() {
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fAffix.remove();
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fAnnotations.remove();
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}
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void
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DigitAffix::appendUChar(UChar value, int32_t fieldId) {
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fAffix.append(value);
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fAnnotations.append((UChar) fieldId);
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}
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void
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DigitAffix::append(const UnicodeString &value, int32_t fieldId) {
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fAffix.append(value);
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{
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UnicodeStringAppender appender(fAnnotations);
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int32_t len = value.length();
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for (int32_t i = 0; i < len; ++i) {
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appender.append((UChar) fieldId);
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}
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}
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}
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void
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DigitAffix::setTo(const UnicodeString &value, int32_t fieldId) {
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fAffix = value;
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fAnnotations.remove();
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{
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UnicodeStringAppender appender(fAnnotations);
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int32_t len = value.length();
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for (int32_t i = 0; i < len; ++i) {
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appender.append((UChar) fieldId);
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}
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}
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}
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void
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DigitAffix::append(const UChar *value, int32_t charCount, int32_t fieldId) {
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fAffix.append(value, charCount);
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{
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UnicodeStringAppender appender(fAnnotations);
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for (int32_t i = 0; i < charCount; ++i) {
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appender.append((UChar) fieldId);
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}
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}
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}
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UnicodeString &
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DigitAffix::format(FieldPositionHandler &handler, UnicodeString &appendTo) const {
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int32_t len = fAffix.length();
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if (len == 0) {
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return appendTo;
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}
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if (!handler.isRecording()) {
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return appendTo.append(fAffix);
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}
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U_ASSERT(fAffix.length() == fAnnotations.length());
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int32_t appendToStart = appendTo.length();
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int32_t lastId = (int32_t) fAnnotations.charAt(0);
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int32_t lastIdStart = 0;
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for (int32_t i = 1; i < len; ++i) {
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int32_t id = (int32_t) fAnnotations.charAt(i);
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if (id != lastId) {
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if (lastId != UNUM_FIELD_COUNT) {
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handler.addAttribute(lastId, appendToStart + lastIdStart, appendToStart + i);
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}
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lastId = id;
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lastIdStart = i;
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}
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}
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if (lastId != UNUM_FIELD_COUNT) {
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handler.addAttribute(lastId, appendToStart + lastIdStart, appendToStart + len);
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}
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return appendTo.append(fAffix);
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}
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_FORMATTING */
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