847 lines
31 KiB
C++
847 lines
31 KiB
C++
/*
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*******************************************************************************
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*
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* Copyright (C) 1997-2012, 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: US-ASCII
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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/uloc.h"
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#include "unicode/ures.h"
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#include "unicode/ustring.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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UChar *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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UChar *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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UChar *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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UChar *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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UChar *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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UChar *dest, int32_t destCapacity,
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UErrorCode *pErrorCode) {
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const UChar *s = NULL;
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int32_t length = 0;
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if(itemKey==NULL) {
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/* top-level item: normal resource bundle access */
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UResourceBundle *rb;
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rb=ures_open(path, locale, pErrorCode);
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if(U_SUCCESS(*pErrorCode)) {
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s=ures_getStringByKey(rb, tableKey, &length, pErrorCode);
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/* see comment about closing rb near "return item;" in _res_getTableStringWithFallback() */
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ures_close(rb);
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}
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} else {
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/* Language code should not be a number. If it is, set the error code. */
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if (!uprv_strncmp(tableKey, "Languages", 9) && uprv_strtol(itemKey, NULL, 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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}
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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 != NULL) {
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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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UChar *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 = NULL;
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/* argument checking */
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if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
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return 0;
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}
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if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
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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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return u_terminateUChars(dest, destCapacity, 0, pErrorCode);
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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, NULL, 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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UChar *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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UChar *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 ( 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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U_INTERNAL int32_t U_EXPORT2
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uloc_getDisplayScriptInContext(const char* locale,
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const char* displayLocale,
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UChar *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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UChar *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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UChar *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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UChar *dest, int32_t destCapacity,
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UErrorCode *pErrorCode)
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{
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static const UChar defaultSeparator[3] = { 0x002c, 0x0020, 0x0000 }; /* comma + space */
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static const int32_t defaultSepLen = 2;
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static const UChar sub0[4] = { 0x007b, 0x0030, 0x007d , 0x0000 } ; /* {0} */
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static const UChar sub1[4] = { 0x007b, 0x0031, 0x007d , 0x0000 } ; /* {1} */
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static const int32_t subLen = 3;
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static const UChar 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 UChar *separator;
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int32_t sepLen = 0;
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const UChar *pattern;
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int32_t patLen = 0;
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int32_t sub0Pos, sub1Pos;
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UBool haveLang = TRUE; /* assume true, set false if we find we don't have
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a lang component in the locale */
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UBool haveRest = TRUE; /* assume true, set false if we find we don't have
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any other component in the locale */
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UBool retry = FALSE; /* set true if we need to retry, see below */
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int32_t langi = 0; /* index of the language substitution (0 or 1), virtually always 0 */
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if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
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return 0;
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}
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if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
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*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
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return 0;
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}
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{
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UErrorCode status = U_ZERO_ERROR;
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UResourceBundle* locbundle=ures_open(U_ICUDATA_LANG, displayLocale, &status);
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UResourceBundle* dspbundle=ures_getByKeyWithFallback(locbundle, _kLocaleDisplayPattern,
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NULL, &status);
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separator=ures_getStringByKeyWithFallback(dspbundle, _kSeparator, &sepLen, &status);
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pattern=ures_getStringByKeyWithFallback(dspbundle, _kPattern, &patLen, &status);
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ures_close(dspbundle);
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ures_close(locbundle);
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}
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|
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/* If we couldn't find any data, then use the defaults */
|
|
if(sepLen == 0) {
|
|
separator = defaultSeparator;
|
|
sepLen = defaultSepLen;
|
|
}
|
|
|
|
if(patLen==0 || (patLen==defaultPatLen && !u_strncmp(pattern, defaultPattern, patLen))) {
|
|
pattern=defaultPattern;
|
|
patLen=defaultPatLen;
|
|
sub0Pos=defaultSub0Pos;
|
|
sub1Pos=defaultSub1Pos;
|
|
} else { /* non-default pattern */
|
|
UChar *p0=u_strstr(pattern, sub0);
|
|
UChar *p1=u_strstr(pattern, sub1);
|
|
if (p0==NULL || p1==NULL) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
sub0Pos=p0-pattern;
|
|
sub1Pos=p1-pattern;
|
|
if (sub1Pos < sub0Pos) { /* a very odd pattern */
|
|
int32_t t=sub0Pos; sub0Pos=sub1Pos; sub1Pos=t;
|
|
langi=1;
|
|
}
|
|
}
|
|
|
|
/* 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 {
|
|
UChar* 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 */
|
|
UEnumeration* kenum = NULL; /* 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 = uloc_openKeywords(locale, pErrorCode);
|
|
/* fall through */
|
|
default: {
|
|
const char* kw=uenum_next(kenum, &len, pErrorCode);
|
|
if (kw == NULL) {
|
|
uenum_close(kenum);
|
|
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 addeed a component, so add separator and write it if there's room. */
|
|
if(len+sepLen<=cap) {
|
|
p+=len;
|
|
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,
|
|
UChar* dest,
|
|
int32_t destCapacity,
|
|
UErrorCode* status){
|
|
|
|
/* argument checking */
|
|
if(status==NULL || U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
|
|
if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
|
|
*status=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* pass itemKey=NULL to look for a top-level item */
|
|
return _getStringOrCopyKey(U_ICUDATA_LANG, displayLocale,
|
|
_kKeys, NULL,
|
|
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,
|
|
UChar* dest,
|
|
int32_t destCapacity,
|
|
UErrorCode* status){
|
|
|
|
|
|
char keywordValue[ULOC_FULLNAME_CAPACITY*4];
|
|
int32_t capacity = ULOC_FULLNAME_CAPACITY*4;
|
|
int32_t keywordValueLen =0;
|
|
|
|
/* argument checking */
|
|
if(status==NULL || U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
|
|
if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
|
|
*status=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
/* get the keyword value */
|
|
keywordValue[0]=0;
|
|
keywordValueLen = uloc_getKeywordValue(locale, keyword, keywordValue, capacity, 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 UChar *dispName = NULL;
|
|
|
|
UResourceBundle *bundle = ures_open(U_ICUDATA_CURR, displayLocale, status);
|
|
UResourceBundle *currencies = ures_getByKey(bundle, _kCurrencies, NULL, status);
|
|
UResourceBundle *currency = ures_getByKeyWithFallback(currencies, keywordValue, NULL, status);
|
|
|
|
dispName = ures_getStringByIndex(currency, UCURRENCY_DISPLAY_NAME_INDEX, &dispNameLen, status);
|
|
|
|
/*close the bundles */
|
|
ures_close(currency);
|
|
ures_close(currencies);
|
|
ures_close(bundle);
|
|
|
|
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 NULL */
|
|
if(dispName != NULL){
|
|
if(dispNameLen <= destCapacity){
|
|
uprv_memcpy(dest, dispName, dispNameLen * U_SIZEOF_UCHAR);
|
|
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(keywordValueLen <= destCapacity){
|
|
u_charsToUChars(keywordValue, dest, keywordValueLen);
|
|
return u_terminateUChars(dest, destCapacity, keywordValueLen, status);
|
|
}else{
|
|
*status = U_BUFFER_OVERFLOW_ERROR;
|
|
return keywordValueLen;
|
|
}
|
|
}
|
|
|
|
|
|
}else{
|
|
|
|
return _getStringOrCopyKey(U_ICUDATA_LANG, displayLocale,
|
|
_kTypes, keyword,
|
|
keywordValue,
|
|
keywordValue,
|
|
dest, destCapacity,
|
|
status);
|
|
}
|
|
}
|