903 lines
34 KiB
C++
903 lines
34 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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*******************************************************************************
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*
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* Copyright (C) 1997-2016, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: locdispnames.cpp
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* encoding: UTF-8
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2010feb25
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* created by: Markus W. Scherer
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*
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* Code for locale display names, separated out from other .cpp files
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* that then do not depend on resource bundle code and display name data.
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*/
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#include "unicode/utypes.h"
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#include "unicode/brkiter.h"
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#include "unicode/locid.h"
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#include "unicode/uenum.h"
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#include "unicode/uloc.h"
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#include "unicode/ures.h"
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#include "unicode/ustring.h"
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#include "bytesinkutil.h"
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#include "charstr.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "putilimp.h"
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#include "ulocimp.h"
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#include "uresimp.h"
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#include "ureslocs.h"
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#include "ustr_imp.h"
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// C++ API ----------------------------------------------------------------- ***
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U_NAMESPACE_BEGIN
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UnicodeString&
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Locale::getDisplayLanguage(UnicodeString& dispLang) const
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{
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return this->getDisplayLanguage(getDefault(), dispLang);
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}
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/*We cannot make any assumptions on the size of the output display strings
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* Yet, since we are calling through to a C API, we need to set limits on
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* buffer size. For all the following getDisplay functions we first attempt
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* to fill up a stack allocated buffer. If it is to small we heap allocated
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* the exact buffer we need copy it to the UnicodeString and delete it*/
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UnicodeString&
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Locale::getDisplayLanguage(const Locale &displayLocale,
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UnicodeString &result) const {
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char16_t *buffer;
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UErrorCode errorCode=U_ZERO_ERROR;
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int32_t length;
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buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
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if(buffer==0) {
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result.truncate(0);
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return result;
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}
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length=uloc_getDisplayLanguage(fullName, displayLocale.fullName,
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buffer, result.getCapacity(),
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&errorCode);
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result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
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if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
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buffer=result.getBuffer(length);
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if(buffer==0) {
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result.truncate(0);
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return result;
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}
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errorCode=U_ZERO_ERROR;
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length=uloc_getDisplayLanguage(fullName, displayLocale.fullName,
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buffer, result.getCapacity(),
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&errorCode);
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result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
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}
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return result;
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}
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UnicodeString&
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Locale::getDisplayScript(UnicodeString& dispScript) const
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{
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return this->getDisplayScript(getDefault(), dispScript);
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}
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UnicodeString&
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Locale::getDisplayScript(const Locale &displayLocale,
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UnicodeString &result) const {
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char16_t *buffer;
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UErrorCode errorCode=U_ZERO_ERROR;
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int32_t length;
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buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
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if(buffer==0) {
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result.truncate(0);
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return result;
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}
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length=uloc_getDisplayScript(fullName, displayLocale.fullName,
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buffer, result.getCapacity(),
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&errorCode);
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result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
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if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
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buffer=result.getBuffer(length);
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if(buffer==0) {
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result.truncate(0);
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return result;
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}
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errorCode=U_ZERO_ERROR;
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length=uloc_getDisplayScript(fullName, displayLocale.fullName,
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buffer, result.getCapacity(),
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&errorCode);
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result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
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}
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return result;
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}
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UnicodeString&
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Locale::getDisplayCountry(UnicodeString& dispCntry) const
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{
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return this->getDisplayCountry(getDefault(), dispCntry);
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}
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UnicodeString&
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Locale::getDisplayCountry(const Locale &displayLocale,
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UnicodeString &result) const {
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char16_t *buffer;
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UErrorCode errorCode=U_ZERO_ERROR;
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int32_t length;
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buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
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if(buffer==0) {
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result.truncate(0);
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return result;
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}
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length=uloc_getDisplayCountry(fullName, displayLocale.fullName,
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buffer, result.getCapacity(),
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&errorCode);
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result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
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if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
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buffer=result.getBuffer(length);
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if(buffer==0) {
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result.truncate(0);
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return result;
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}
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errorCode=U_ZERO_ERROR;
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length=uloc_getDisplayCountry(fullName, displayLocale.fullName,
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buffer, result.getCapacity(),
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&errorCode);
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result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
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}
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return result;
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}
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UnicodeString&
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Locale::getDisplayVariant(UnicodeString& dispVar) const
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{
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return this->getDisplayVariant(getDefault(), dispVar);
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}
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UnicodeString&
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Locale::getDisplayVariant(const Locale &displayLocale,
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UnicodeString &result) const {
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char16_t *buffer;
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UErrorCode errorCode=U_ZERO_ERROR;
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int32_t length;
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buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
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if(buffer==0) {
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result.truncate(0);
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return result;
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}
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length=uloc_getDisplayVariant(fullName, displayLocale.fullName,
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buffer, result.getCapacity(),
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&errorCode);
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result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
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if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
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buffer=result.getBuffer(length);
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if(buffer==0) {
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result.truncate(0);
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return result;
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}
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errorCode=U_ZERO_ERROR;
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length=uloc_getDisplayVariant(fullName, displayLocale.fullName,
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buffer, result.getCapacity(),
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&errorCode);
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result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
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}
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return result;
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}
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UnicodeString&
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Locale::getDisplayName( UnicodeString& name ) const
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{
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return this->getDisplayName(getDefault(), name);
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}
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UnicodeString&
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Locale::getDisplayName(const Locale &displayLocale,
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UnicodeString &result) const {
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char16_t *buffer;
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UErrorCode errorCode=U_ZERO_ERROR;
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int32_t length;
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buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
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if(buffer==0) {
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result.truncate(0);
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return result;
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}
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length=uloc_getDisplayName(fullName, displayLocale.fullName,
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buffer, result.getCapacity(),
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&errorCode);
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result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
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if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
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buffer=result.getBuffer(length);
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if(buffer==0) {
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result.truncate(0);
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return result;
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}
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errorCode=U_ZERO_ERROR;
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length=uloc_getDisplayName(fullName, displayLocale.fullName,
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buffer, result.getCapacity(),
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&errorCode);
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result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
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}
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return result;
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}
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#if ! UCONFIG_NO_BREAK_ITERATION
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// -------------------------------------
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// Gets the objectLocale display name in the default locale language.
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UnicodeString& U_EXPORT2
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BreakIterator::getDisplayName(const Locale& objectLocale,
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UnicodeString& name)
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{
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return objectLocale.getDisplayName(name);
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}
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// -------------------------------------
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// Gets the objectLocale display name in the displayLocale language.
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UnicodeString& U_EXPORT2
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BreakIterator::getDisplayName(const Locale& objectLocale,
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const Locale& displayLocale,
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UnicodeString& name)
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{
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return objectLocale.getDisplayName(displayLocale, name);
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}
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#endif
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U_NAMESPACE_END
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// C API ------------------------------------------------------------------- ***
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U_NAMESPACE_USE
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/* ### Constants **************************************************/
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/* These strings describe the resources we attempt to load from
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the locale ResourceBundle data file.*/
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static const char _kLanguages[] = "Languages";
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static const char _kScripts[] = "Scripts";
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static const char _kScriptsStandAlone[] = "Scripts%stand-alone";
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static const char _kCountries[] = "Countries";
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static const char _kVariants[] = "Variants";
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static const char _kKeys[] = "Keys";
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static const char _kTypes[] = "Types";
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//static const char _kRootName[] = "root";
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static const char _kCurrency[] = "currency";
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static const char _kCurrencies[] = "Currencies";
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static const char _kLocaleDisplayPattern[] = "localeDisplayPattern";
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static const char _kPattern[] = "pattern";
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static const char _kSeparator[] = "separator";
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/* ### Display name **************************************************/
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static int32_t
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_getStringOrCopyKey(const char *path, const char *locale,
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const char *tableKey,
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const char* subTableKey,
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const char *itemKey,
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const char *substitute,
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char16_t *dest, int32_t destCapacity,
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UErrorCode *pErrorCode) {
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const char16_t *s = nullptr;
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int32_t length = 0;
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if(itemKey==nullptr) {
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/* top-level item: normal resource bundle access */
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icu::LocalUResourceBundlePointer rb(ures_open(path, locale, pErrorCode));
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if(U_SUCCESS(*pErrorCode)) {
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s=ures_getStringByKey(rb.getAlias(), tableKey, &length, pErrorCode);
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/* see comment about closing rb near "return item;" in _res_getTableStringWithFallback() */
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}
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} else {
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bool isLanguageCode = (uprv_strncmp(tableKey, _kLanguages, 9) == 0);
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/* Language code should not be a number. If it is, set the error code. */
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if (isLanguageCode && uprv_strtol(itemKey, nullptr, 10)) {
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*pErrorCode = U_MISSING_RESOURCE_ERROR;
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} else {
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/* second-level item, use special fallback */
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s=uloc_getTableStringWithFallback(path, locale,
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tableKey,
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subTableKey,
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itemKey,
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&length,
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pErrorCode);
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if (U_FAILURE(*pErrorCode) && isLanguageCode && itemKey != nullptr) {
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// convert itemKey locale code to canonical form and try again, ICU-20870
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*pErrorCode = U_ZERO_ERROR;
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Locale canonKey = Locale::createCanonical(itemKey);
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s=uloc_getTableStringWithFallback(path, locale,
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tableKey,
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subTableKey,
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canonKey.getName(),
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&length,
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pErrorCode);
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}
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}
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}
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if(U_SUCCESS(*pErrorCode)) {
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int32_t copyLength=uprv_min(length, destCapacity);
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if(copyLength>0 && s != nullptr) {
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u_memcpy(dest, s, copyLength);
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}
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} else {
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/* no string from a resource bundle: convert the substitute */
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length=(int32_t)uprv_strlen(substitute);
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u_charsToUChars(substitute, dest, uprv_min(length, destCapacity));
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*pErrorCode=U_USING_DEFAULT_WARNING;
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}
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return u_terminateUChars(dest, destCapacity, length, pErrorCode);
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}
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typedef int32_t U_CALLCONV UDisplayNameGetter(const char *, char *, int32_t, UErrorCode *);
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static int32_t
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_getDisplayNameForComponent(const char *locale,
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const char *displayLocale,
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char16_t *dest, int32_t destCapacity,
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UDisplayNameGetter *getter,
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const char *tag,
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UErrorCode *pErrorCode) {
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char localeBuffer[ULOC_FULLNAME_CAPACITY*4];
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int32_t length;
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UErrorCode localStatus;
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const char* root = nullptr;
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/* argument checking */
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if(pErrorCode==nullptr || U_FAILURE(*pErrorCode)) {
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return 0;
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}
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if(destCapacity<0 || (destCapacity>0 && dest==nullptr)) {
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*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
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return 0;
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}
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localStatus = U_ZERO_ERROR;
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length=(*getter)(locale, localeBuffer, sizeof(localeBuffer), &localStatus);
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if(U_FAILURE(localStatus) || localStatus==U_STRING_NOT_TERMINATED_WARNING) {
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*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
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return 0;
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}
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if(length==0) {
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// For the display name, we treat this as unknown language (ICU-20273).
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if (getter == uloc_getLanguage) {
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uprv_strcpy(localeBuffer, "und");
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} else {
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return u_terminateUChars(dest, destCapacity, 0, pErrorCode);
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}
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}
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root = tag == _kCountries ? U_ICUDATA_REGION : U_ICUDATA_LANG;
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return _getStringOrCopyKey(root, displayLocale,
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tag, nullptr, localeBuffer,
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localeBuffer,
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dest, destCapacity,
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pErrorCode);
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}
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U_CAPI int32_t U_EXPORT2
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uloc_getDisplayLanguage(const char *locale,
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const char *displayLocale,
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char16_t *dest, int32_t destCapacity,
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UErrorCode *pErrorCode) {
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return _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
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uloc_getLanguage, _kLanguages, pErrorCode);
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}
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U_CAPI int32_t U_EXPORT2
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uloc_getDisplayScript(const char* locale,
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const char* displayLocale,
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char16_t *dest, int32_t destCapacity,
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UErrorCode *pErrorCode)
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{
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UErrorCode err = U_ZERO_ERROR;
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int32_t res = _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
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uloc_getScript, _kScriptsStandAlone, &err);
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if (destCapacity == 0 && err == U_BUFFER_OVERFLOW_ERROR) {
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// For preflight, return the max of the value and the fallback.
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int32_t fallback_res = _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
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uloc_getScript, _kScripts, pErrorCode);
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return (fallback_res > res) ? fallback_res : res;
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}
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if ( err == U_USING_DEFAULT_WARNING ) {
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return _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
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uloc_getScript, _kScripts, pErrorCode);
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} else {
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*pErrorCode = err;
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return res;
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}
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}
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static int32_t
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uloc_getDisplayScriptInContext(const char* locale,
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const char* displayLocale,
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char16_t *dest, int32_t destCapacity,
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UErrorCode *pErrorCode)
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{
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return _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
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uloc_getScript, _kScripts, pErrorCode);
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}
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U_CAPI int32_t U_EXPORT2
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uloc_getDisplayCountry(const char *locale,
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const char *displayLocale,
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char16_t *dest, int32_t destCapacity,
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UErrorCode *pErrorCode) {
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return _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
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uloc_getCountry, _kCountries, pErrorCode);
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}
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/*
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* TODO separate variant1_variant2_variant3...
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* by getting each tag's display string and concatenating them with ", "
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* in between - similar to uloc_getDisplayName()
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*/
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U_CAPI int32_t U_EXPORT2
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uloc_getDisplayVariant(const char *locale,
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const char *displayLocale,
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char16_t *dest, int32_t destCapacity,
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UErrorCode *pErrorCode) {
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return _getDisplayNameForComponent(locale, displayLocale, dest, destCapacity,
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uloc_getVariant, _kVariants, pErrorCode);
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}
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/* Instead of having a separate pass for 'special' patterns, reintegrate the two
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* so we don't get bitten by preflight bugs again. We can be reasonably efficient
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* without two separate code paths, this code isn't that performance-critical.
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*
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* This code is general enough to deal with patterns that have a prefix or swap the
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* language and remainder components, since we gave developers enough rope to do such
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* things if they futz with the pattern data. But since we don't give them a way to
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* specify a pattern for arbitrary combinations of components, there's not much use in
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* that. I don't think our data includes such patterns, the only variable I know if is
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* whether there is a space before the open paren, or not. Oh, and zh uses different
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* chars than the standard open/close paren (which ja and ko use, btw).
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*/
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U_CAPI int32_t U_EXPORT2
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uloc_getDisplayName(const char *locale,
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const char *displayLocale,
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char16_t *dest, int32_t destCapacity,
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UErrorCode *pErrorCode)
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{
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static const char16_t defaultSeparator[9] = { 0x007b, 0x0030, 0x007d, 0x002c, 0x0020, 0x007b, 0x0031, 0x007d, 0x0000 }; /* "{0}, {1}" */
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static const char16_t sub0[4] = { 0x007b, 0x0030, 0x007d , 0x0000 } ; /* {0} */
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static const char16_t sub1[4] = { 0x007b, 0x0031, 0x007d , 0x0000 } ; /* {1} */
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static const int32_t subLen = 3;
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static const char16_t defaultPattern[10] = {
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0x007b, 0x0030, 0x007d, 0x0020, 0x0028, 0x007b, 0x0031, 0x007d, 0x0029, 0x0000
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}; /* {0} ({1}) */
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static const int32_t defaultPatLen = 9;
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static const int32_t defaultSub0Pos = 0;
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static const int32_t defaultSub1Pos = 5;
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int32_t length; /* of formatted result */
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const char16_t *separator;
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int32_t sepLen = 0;
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const char16_t *pattern;
|
|
int32_t patLen = 0;
|
|
int32_t sub0Pos, sub1Pos;
|
|
|
|
char16_t formatOpenParen = 0x0028; // (
|
|
char16_t formatReplaceOpenParen = 0x005B; // [
|
|
char16_t formatCloseParen = 0x0029; // )
|
|
char16_t formatReplaceCloseParen = 0x005D; // ]
|
|
|
|
UBool haveLang = true; /* assume true, set false if we find we don't have
|
|
a lang component in the locale */
|
|
UBool haveRest = true; /* assume true, set false if we find we don't have
|
|
any other component in the locale */
|
|
UBool retry = false; /* set true if we need to retry, see below */
|
|
|
|
int32_t langi = 0; /* index of the language substitution (0 or 1), virtually always 0 */
|
|
|
|
if(pErrorCode==nullptr || U_FAILURE(*pErrorCode)) {
|
|
return 0;
|
|
}
|
|
|
|
if(destCapacity<0 || (destCapacity>0 && dest==nullptr)) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
{
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
|
|
icu::LocalUResourceBundlePointer locbundle(
|
|
ures_open(U_ICUDATA_LANG, displayLocale, &status));
|
|
icu::LocalUResourceBundlePointer dspbundle(
|
|
ures_getByKeyWithFallback(locbundle.getAlias(), _kLocaleDisplayPattern, nullptr, &status));
|
|
|
|
separator=ures_getStringByKeyWithFallback(dspbundle.getAlias(), _kSeparator, &sepLen, &status);
|
|
pattern=ures_getStringByKeyWithFallback(dspbundle.getAlias(), _kPattern, &patLen, &status);
|
|
}
|
|
|
|
/* If we couldn't find any data, then use the defaults */
|
|
if(sepLen == 0) {
|
|
separator = defaultSeparator;
|
|
}
|
|
/* #10244: Even though separator is now a pattern, it is awkward to handle it as such
|
|
* here since we are trying to build the display string in place in the dest buffer,
|
|
* and to handle it as a pattern would entail having separate storage for the
|
|
* substrings that need to be combined (the first of which may be the result of
|
|
* previous such combinations). So for now we continue to treat the portion between
|
|
* {0} and {1} as a string to be appended when joining substrings, ignoring anything
|
|
* that is before {0} or after {1} (no existing separator pattern has any such thing).
|
|
* This is similar to how pattern is handled below.
|
|
*/
|
|
{
|
|
char16_t *p0=u_strstr(separator, sub0);
|
|
char16_t *p1=u_strstr(separator, sub1);
|
|
if (p0==nullptr || p1==nullptr || p1<p0) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
separator = (const char16_t *)p0 + subLen;
|
|
sepLen = static_cast<int32_t>(p1 - separator);
|
|
}
|
|
|
|
if(patLen==0 || (patLen==defaultPatLen && !u_strncmp(pattern, defaultPattern, patLen))) {
|
|
pattern=defaultPattern;
|
|
patLen=defaultPatLen;
|
|
sub0Pos=defaultSub0Pos;
|
|
sub1Pos=defaultSub1Pos;
|
|
// use default formatOpenParen etc. set above
|
|
} else { /* non-default pattern */
|
|
char16_t *p0=u_strstr(pattern, sub0);
|
|
char16_t *p1=u_strstr(pattern, sub1);
|
|
if (p0==nullptr || p1==nullptr) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
sub0Pos = static_cast<int32_t>(p0-pattern);
|
|
sub1Pos = static_cast<int32_t>(p1-pattern);
|
|
if (sub1Pos < sub0Pos) { /* a very odd pattern */
|
|
int32_t t=sub0Pos; sub0Pos=sub1Pos; sub1Pos=t;
|
|
langi=1;
|
|
}
|
|
if (u_strchr(pattern, 0xFF08) != nullptr) {
|
|
formatOpenParen = 0xFF08; // fullwidth (
|
|
formatReplaceOpenParen = 0xFF3B; // fullwidth [
|
|
formatCloseParen = 0xFF09; // fullwidth )
|
|
formatReplaceCloseParen = 0xFF3D; // fullwidth ]
|
|
}
|
|
}
|
|
|
|
/* We loop here because there is one case in which after the first pass we could need to
|
|
* reextract the data. If there's initial padding before the first element, we put in
|
|
* the padding and then write that element. If it turns out there's no second element,
|
|
* we didn't need the padding. If we do need the data (no preflight), and the first element
|
|
* would have fit but for the padding, we need to reextract. In this case (only) we
|
|
* adjust the parameters so padding is not added, and repeat.
|
|
*/
|
|
do {
|
|
char16_t* p=dest;
|
|
int32_t patPos=0; /* position in the pattern, used for non-substitution portions */
|
|
int32_t langLen=0; /* length of language substitution */
|
|
int32_t langPos=0; /* position in output of language substitution */
|
|
int32_t restLen=0; /* length of 'everything else' substitution */
|
|
int32_t restPos=0; /* position in output of 'everything else' substitution */
|
|
icu::LocalUEnumerationPointer kenum; /* keyword enumeration */
|
|
|
|
/* prefix of pattern, extremely likely to be empty */
|
|
if(sub0Pos) {
|
|
if(destCapacity >= sub0Pos) {
|
|
while (patPos < sub0Pos) {
|
|
*p++ = pattern[patPos++];
|
|
}
|
|
} else {
|
|
patPos=sub0Pos;
|
|
}
|
|
length=sub0Pos;
|
|
} else {
|
|
length=0;
|
|
}
|
|
|
|
for(int32_t subi=0,resti=0;subi<2;) { /* iterate through patterns 0 and 1*/
|
|
UBool subdone = false; /* set true when ready to move to next substitution */
|
|
|
|
/* prep p and cap for calls to get display components, pin cap to 0 since
|
|
they complain if cap is negative */
|
|
int32_t cap=destCapacity-length;
|
|
if (cap <= 0) {
|
|
cap=0;
|
|
} else {
|
|
p=dest+length;
|
|
}
|
|
|
|
if (subi == langi) { /* {0}*/
|
|
if(haveLang) {
|
|
langPos=length;
|
|
langLen=uloc_getDisplayLanguage(locale, displayLocale, p, cap, pErrorCode);
|
|
length+=langLen;
|
|
haveLang=langLen>0;
|
|
}
|
|
subdone=true;
|
|
} else { /* {1} */
|
|
if(!haveRest) {
|
|
subdone=true;
|
|
} else {
|
|
int32_t len; /* length of component (plus other stuff) we just fetched */
|
|
switch(resti++) {
|
|
case 0:
|
|
restPos=length;
|
|
len=uloc_getDisplayScriptInContext(locale, displayLocale, p, cap, pErrorCode);
|
|
break;
|
|
case 1:
|
|
len=uloc_getDisplayCountry(locale, displayLocale, p, cap, pErrorCode);
|
|
break;
|
|
case 2:
|
|
len=uloc_getDisplayVariant(locale, displayLocale, p, cap, pErrorCode);
|
|
break;
|
|
case 3:
|
|
kenum.adoptInstead(uloc_openKeywords(locale, pErrorCode));
|
|
U_FALLTHROUGH;
|
|
default: {
|
|
const char* kw=uenum_next(kenum.getAlias(), &len, pErrorCode);
|
|
if (kw == nullptr) {
|
|
len=0; /* mark that we didn't add a component */
|
|
subdone=true;
|
|
} else {
|
|
/* incorporating this behavior into the loop made it even more complex,
|
|
so just special case it here */
|
|
len = uloc_getDisplayKeyword(kw, displayLocale, p, cap, pErrorCode);
|
|
if(len) {
|
|
if(len < cap) {
|
|
p[len]=0x3d; /* '=', assume we'll need it */
|
|
}
|
|
len+=1;
|
|
|
|
/* adjust for call to get keyword */
|
|
cap-=len;
|
|
if(cap <= 0) {
|
|
cap=0;
|
|
} else {
|
|
p+=len;
|
|
}
|
|
}
|
|
/* reset for call below */
|
|
if(*pErrorCode == U_BUFFER_OVERFLOW_ERROR) {
|
|
*pErrorCode=U_ZERO_ERROR;
|
|
}
|
|
int32_t vlen = uloc_getDisplayKeywordValue(locale, kw, displayLocale,
|
|
p, cap, pErrorCode);
|
|
if(len) {
|
|
if(vlen==0) {
|
|
--len; /* remove unneeded '=' */
|
|
}
|
|
/* restore cap and p to what they were at start */
|
|
cap=destCapacity-length;
|
|
if(cap <= 0) {
|
|
cap=0;
|
|
} else {
|
|
p=dest+length;
|
|
}
|
|
}
|
|
len+=vlen; /* total we added for key + '=' + value */
|
|
}
|
|
} break;
|
|
} /* end switch */
|
|
|
|
if (len>0) {
|
|
/* we added a component, so add separator and write it if there's room. */
|
|
if(len+sepLen<=cap) {
|
|
const char16_t * plimit = p + len;
|
|
for (; p < plimit; p++) {
|
|
if (*p == formatOpenParen) {
|
|
*p = formatReplaceOpenParen;
|
|
} else if (*p == formatCloseParen) {
|
|
*p = formatReplaceCloseParen;
|
|
}
|
|
}
|
|
for(int32_t i=0;i<sepLen;++i) {
|
|
*p++=separator[i];
|
|
}
|
|
}
|
|
length+=len+sepLen;
|
|
} else if(subdone) {
|
|
/* remove separator if we added it */
|
|
if (length!=restPos) {
|
|
length-=sepLen;
|
|
}
|
|
restLen=length-restPos;
|
|
haveRest=restLen>0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(*pErrorCode == U_BUFFER_OVERFLOW_ERROR) {
|
|
*pErrorCode=U_ZERO_ERROR;
|
|
}
|
|
|
|
if(subdone) {
|
|
if(haveLang && haveRest) {
|
|
/* append internal portion of pattern, the first time,
|
|
or last portion of pattern the second time */
|
|
int32_t padLen;
|
|
patPos+=subLen;
|
|
padLen=(subi==0 ? sub1Pos : patLen)-patPos;
|
|
if(length+padLen <= destCapacity) {
|
|
p=dest+length;
|
|
for(int32_t i=0;i<padLen;++i) {
|
|
*p++=pattern[patPos++];
|
|
}
|
|
} else {
|
|
patPos+=padLen;
|
|
}
|
|
length+=padLen;
|
|
} else if(subi==0) {
|
|
/* don't have first component, reset for second component */
|
|
sub0Pos=0;
|
|
length=0;
|
|
} else if(length>0) {
|
|
/* true length is the length of just the component we got. */
|
|
length=haveLang?langLen:restLen;
|
|
if(dest && sub0Pos!=0) {
|
|
if (sub0Pos+length<=destCapacity) {
|
|
/* first component not at start of result,
|
|
but we have full component in buffer. */
|
|
u_memmove(dest, dest+(haveLang?langPos:restPos), length);
|
|
} else {
|
|
/* would have fit, but didn't because of pattern prefix. */
|
|
sub0Pos=0; /* stops initial padding (and a second retry,
|
|
so we won't end up here again) */
|
|
retry=true;
|
|
}
|
|
}
|
|
}
|
|
|
|
++subi; /* move on to next substitution */
|
|
}
|
|
}
|
|
} while(retry);
|
|
|
|
return u_terminateUChars(dest, destCapacity, length, pErrorCode);
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
uloc_getDisplayKeyword(const char* keyword,
|
|
const char* displayLocale,
|
|
char16_t* dest,
|
|
int32_t destCapacity,
|
|
UErrorCode* status){
|
|
|
|
/* argument checking */
|
|
if(status==nullptr || U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
|
|
if(destCapacity<0 || (destCapacity>0 && dest==nullptr)) {
|
|
*status=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* pass itemKey=nullptr to look for a top-level item */
|
|
return _getStringOrCopyKey(U_ICUDATA_LANG, displayLocale,
|
|
_kKeys, nullptr,
|
|
keyword,
|
|
keyword,
|
|
dest, destCapacity,
|
|
status);
|
|
|
|
}
|
|
|
|
|
|
#define UCURRENCY_DISPLAY_NAME_INDEX 1
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
uloc_getDisplayKeywordValue( const char* locale,
|
|
const char* keyword,
|
|
const char* displayLocale,
|
|
char16_t* dest,
|
|
int32_t destCapacity,
|
|
UErrorCode* status){
|
|
|
|
|
|
/* argument checking */
|
|
if(status==nullptr || U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
|
|
if(destCapacity<0 || (destCapacity>0 && dest==nullptr)) {
|
|
*status=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
/* get the keyword value */
|
|
CharString keywordValue;
|
|
{
|
|
CharStringByteSink sink(&keywordValue);
|
|
ulocimp_getKeywordValue(locale, keyword, sink, status);
|
|
}
|
|
|
|
/*
|
|
* if the keyword is equal to currency .. then to get the display name
|
|
* we need to do the fallback ourselves
|
|
*/
|
|
if(uprv_stricmp(keyword, _kCurrency)==0){
|
|
|
|
int32_t dispNameLen = 0;
|
|
const char16_t *dispName = nullptr;
|
|
|
|
icu::LocalUResourceBundlePointer bundle(
|
|
ures_open(U_ICUDATA_CURR, displayLocale, status));
|
|
icu::LocalUResourceBundlePointer currencies(
|
|
ures_getByKey(bundle.getAlias(), _kCurrencies, nullptr, status));
|
|
icu::LocalUResourceBundlePointer currency(
|
|
ures_getByKeyWithFallback(currencies.getAlias(), keywordValue.data(), nullptr, status));
|
|
|
|
dispName = ures_getStringByIndex(currency.getAlias(), UCURRENCY_DISPLAY_NAME_INDEX, &dispNameLen, status);
|
|
|
|
if(U_FAILURE(*status)){
|
|
if(*status == U_MISSING_RESOURCE_ERROR){
|
|
/* we just want to write the value over if nothing is available */
|
|
*status = U_USING_DEFAULT_WARNING;
|
|
}else{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* now copy the dispName over if not nullptr */
|
|
if(dispName != nullptr){
|
|
if(dispNameLen <= destCapacity){
|
|
u_memcpy(dest, dispName, dispNameLen);
|
|
return u_terminateUChars(dest, destCapacity, dispNameLen, status);
|
|
}else{
|
|
*status = U_BUFFER_OVERFLOW_ERROR;
|
|
return dispNameLen;
|
|
}
|
|
}else{
|
|
/* we have not found the display name for the value .. just copy over */
|
|
if(keywordValue.length() <= destCapacity){
|
|
u_charsToUChars(keywordValue.data(), dest, keywordValue.length());
|
|
return u_terminateUChars(dest, destCapacity, keywordValue.length(), status);
|
|
}else{
|
|
*status = U_BUFFER_OVERFLOW_ERROR;
|
|
return keywordValue.length();
|
|
}
|
|
}
|
|
|
|
|
|
}else{
|
|
|
|
return _getStringOrCopyKey(U_ICUDATA_LANG, displayLocale,
|
|
_kTypes, keyword,
|
|
keywordValue.data(),
|
|
keywordValue.data(),
|
|
dest, destCapacity,
|
|
status);
|
|
}
|
|
}
|