932 lines
21 KiB
C++
932 lines
21 KiB
C++
/*
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**********************************************************************
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* Copyright (C) 1997-2001, 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 locid.cpp
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*
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* Created by: Richard Gillam
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*
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* Modification History:
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*
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* Date Name Description
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* 02/11/97 aliu Changed gLocPath to fgDataDirectory and added
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* methods to get and set it.
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* 04/02/97 aliu Made operator!= inline; fixed return value
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* of getName().
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* 04/15/97 aliu Cleanup for AIX/Win32.
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* 04/24/97 aliu Numerous changes per code review.
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* 08/18/98 stephen Changed getDisplayName()
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* Added SIMPLIFIED_CHINESE, TRADITIONAL_CHINESE
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* Added getISOCountries(), getISOLanguages(),
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* getLanguagesForCountry()
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* 03/16/99 bertrand rehaul.
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* 07/21/99 stephen Added U_CFUNC setDefault
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* 11/09/99 weiv Added const char * getName() const;
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* 04/12/00 srl removing unicodestring api's and cached hash code
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* 08/10/01 grhoten Change the static Locales to accessor functions
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******************************************************************************
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*/
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#include "unicode/locid.h"
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#include "unicode/uloc.h"
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#include "mutex.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "ucln_cmn.h"
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/*Character separating the posix id fields*/
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// '_'
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#define SEP_UCHAR 0x005F
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// In the platform codepage.
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#define SEP_CHAR '_'
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/**
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* static variables
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*/
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static Locale* availableLocaleList = NULL;
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static int32_t availableLocaleListCount;
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#ifdef ICU_LOCID_USE_DEPRECATES
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Locale Locale::fgDefaultLocale;
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/**
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* Constant definitions
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*/
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const Locale Locale::ENGLISH("en");
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const Locale Locale::FRENCH("fr");
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const Locale Locale::GERMAN("de");
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const Locale Locale::ITALIAN("it");
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const Locale Locale::JAPANESE("ja");
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const Locale Locale::KOREAN("ko");
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const Locale Locale::CHINESE("zh");
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const Locale Locale::SIMPLIFIED_CHINESE("zh", "CN");
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const Locale Locale::TRADITIONAL_CHINESE("zh", "TW");
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// Useful constant for country.
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const Locale Locale::FRANCE ("fr", "FR");
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const Locale Locale::GERMANY ("de", "DE");
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const Locale Locale::ITALY ("it", "IT");
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const Locale Locale::JAPAN ("ja", "JP");
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const Locale Locale::KOREA ("ko", "KR");
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const Locale Locale::CHINA ("zh", "CN");
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const Locale Locale::PRC ("zh", "CN");
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const Locale Locale::TAIWAN ("zh", "TW");
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const Locale Locale::UK ("en", "GB");
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const Locale Locale::US ("en", "US");
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const Locale Locale::CANADA ("en", "CA");
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const Locale Locale::CANADA_FRENCH("fr", "CA");
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#else
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typedef enum ELocalePos {
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eENGLISH,
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eFRENCH,
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eGERMAN,
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eITALIAN,
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eJAPANESE,
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eKOREAN,
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eCHINESE,
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eFRANCE,
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eGERMANY,
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eITALY,
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eJAPAN,
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eKOREA,
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eCHINA, /* Alias for PRC */
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eTAIWAN,
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eUK,
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eUS,
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eCANADA,
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eCANADA_FRENCH,
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eDEFAULT,
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eMAX_LOCALES
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} ELocalePos;
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const Locale::LocaleProxy Locale::ENGLISH = {eENGLISH};
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const Locale::LocaleProxy Locale::FRENCH = {eFRENCH};
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const Locale::LocaleProxy Locale::GERMAN = {eGERMAN};
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const Locale::LocaleProxy Locale::ITALIAN = {eITALIAN};
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const Locale::LocaleProxy Locale::JAPANESE = {eJAPANESE};
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const Locale::LocaleProxy Locale::KOREAN = {eKOREAN};
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const Locale::LocaleProxy Locale::CHINESE = {eCHINESE};
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const Locale::LocaleProxy Locale::SIMPLIFIED_CHINESE={eCHINA};
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const Locale::LocaleProxy Locale::TRADITIONAL_CHINESE={eTAIWAN};
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const Locale::LocaleProxy Locale::FRANCE = {eFRANCE};
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const Locale::LocaleProxy Locale::GERMANY = {eGERMANY};
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const Locale::LocaleProxy Locale::ITALY = {eITALY};
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const Locale::LocaleProxy Locale::JAPAN = {eJAPAN};
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const Locale::LocaleProxy Locale::KOREA = {eKOREA};
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const Locale::LocaleProxy Locale::CHINA = {eCHINA};
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const Locale::LocaleProxy Locale::PRC = {eCHINA};
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const Locale::LocaleProxy Locale::TAIWAN = {eTAIWAN};
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const Locale::LocaleProxy Locale::UK = {eUK};
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const Locale::LocaleProxy Locale::US = {eUS};
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const Locale::LocaleProxy Locale::CANADA = {eCANADA};
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const Locale::LocaleProxy Locale::CANADA_FRENCH={eCANADA_FRENCH};
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#define LOCALE_CACHE_SIZE (eMAX_LOCALES * sizeof(Locale))
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static uint8_t gByteLocaleCache[LOCALE_CACHE_SIZE];
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static Locale *gLocaleCache = NULL;
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Locale::LocaleProxy::operator const Locale&(void) const
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{
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return Locale::getLocale(magicLocaleNumber);
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}
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#endif
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Locale::~Locale()
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{
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/*if fullName is on the heap, we delete it*/
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if (fullName != fullNameBuffer)
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{
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delete []fullName;
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}
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}
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Locale::Locale()
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{
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init(uloc_getDefault());
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}
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Locale::Locale( const char * newLanguage,
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const char * newCountry,
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const char * newVariant)
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{
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char togo_stack[ULOC_FULLNAME_CAPACITY];
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char *togo;
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char *togo_heap = NULL;
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int32_t size = 0;
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int32_t lsize = 0;
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int32_t csize = 0;
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int32_t vsize = 0;
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char *p;
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if( (newLanguage==NULL) && (newCountry == NULL) && (newVariant == NULL) )
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{
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init(NULL); /* shortcut */
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}
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else
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{
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// Calculate the size of the resulting string.
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// Language
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if ( newLanguage != NULL )
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{
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lsize = (int32_t)uprv_strlen(newLanguage);
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size = lsize;
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}
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// _Country
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if ( newCountry != NULL )
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{
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csize = (int32_t)uprv_strlen(newCountry);
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size += csize;
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}
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// _Variant
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if ( newVariant != NULL )
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{
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// remove leading _'s
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while(newVariant[0] == SEP_CHAR)
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{
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newVariant++;
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}
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// remove trailing _'s
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vsize = (int32_t)uprv_strlen(newVariant);
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while( (vsize>1) && (newVariant[vsize-1] == SEP_CHAR) )
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{
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vsize--;
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}
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}
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if( vsize > 0 )
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{
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size += vsize;
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}
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// Separator rules:
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if ( vsize > 0 )
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{
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size += 2; // at least: __v
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}
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else if ( csize > 0 )
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{
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size += 1; // at least: _v
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}
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// NOW we have the full locale string..
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/*if the whole string is longer than our internal limit, we need
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to go to the heap for temporary buffers*/
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if (size > ULOC_FULLNAME_CAPACITY)
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{
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togo_heap = new char[size+1];
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togo = togo_heap;
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}
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else
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{
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togo = togo_stack;
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}
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togo[0] = 0;
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// Now, copy it back.
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p = togo;
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if ( lsize != 0 )
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{
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uprv_strcpy(p, newLanguage);
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p += lsize;
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}
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if ( ( vsize != 0 ) || (csize != 0) ) // at least: __v
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{ // ^
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*p++ = SEP_CHAR;
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}
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if ( csize != 0 )
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{
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uprv_strcpy(p, newCountry);
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p += csize;
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}
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if ( vsize != 0)
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{
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*p++ = SEP_CHAR; // at least: __v
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uprv_strncpy(p, newVariant, vsize); // Must use strncpy because
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p += vsize; // of trimming (above).
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*p = 0; // terminate
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}
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// Parse it, because for example 'language' might really be a complete
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// string.
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init(togo);
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delete [] togo_heap; /* If it was needed */
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}
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}
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Locale::Locale(const Locale& other)
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{
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int j;
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/*Copy the language and country fields*/
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uprv_strcpy(language, other.language);
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uprv_strcpy(country, other.country);
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/*make fullName point to the heap if necessary*/
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if ((j=(int)uprv_strlen(other.fullName)) > ULOC_FULLNAME_CAPACITY)
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{
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fullName = new char[j+1];
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}
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else
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fullName = fullNameBuffer;
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uprv_strcpy(fullName, other.fullName);
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/*Make the variant point to the same offset as the copied*/
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variantBegin = other.variantBegin;
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}
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UBool
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Locale::operator==( const Locale& other) const
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{
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if (uprv_strcmp(other.fullName, fullName) == 0)
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{
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return TRUE;
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}
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return FALSE;
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}
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/*This function initializes a Locale from a C locale ID*/
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Locale& Locale::init(const char* localeID)
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{
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int k,l;
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UErrorCode err = U_ZERO_ERROR;
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if (localeID == NULL)
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localeID = uloc_getDefault();
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l = uloc_getLanguage(localeID,
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this->language,
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ULOC_LANG_CAPACITY,
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&err);
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l += k = uloc_getCountry(localeID,
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this->country,
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ULOC_COUNTRY_CAPACITY,
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&err);
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l--; //adjust for the 2 zero terminators
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/*Go to heap for the fullName if necessary*/
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int j;
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if ((j=(int)uprv_strlen(localeID)) > ULOC_FULLNAME_CAPACITY)
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{
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this->fullName = new char[j+1];
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}
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else {
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this->fullName = this->fullNameBuffer;
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}
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uprv_strcpy(this->fullName, localeID);
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/*Setting up the variant:
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-point to the zero terminator of fullName if there is none
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-point to the first character of the variant if ther is one
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*/
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if (k > 1)
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{
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if (this->fullName[l] == '\0')
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{
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this->variantBegin = l;
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}
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else
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{
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int32_t varLength;
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UErrorCode intErr = U_ZERO_ERROR;
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varLength = uloc_getVariant(this->fullName, NULL, 0, &intErr);
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if((U_FAILURE(intErr) && (intErr != U_BUFFER_OVERFLOW_ERROR)) || (varLength <= 0))
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{ /* bail - point at the null*/
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this->variantBegin = j;
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}
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else
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{
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/* variant is at the end. We just don't know where exactly it might be. */
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this->variantBegin = j - varLength + 1 ;
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}
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}
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}
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else
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this->variantBegin = l - 1;
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return *this;
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}
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Locale& Locale::operator=(const Locale& other)
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{
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uprv_strcpy(language, other.language);
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uprv_strcpy(country, other.country);
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if (other.fullName == other.fullNameBuffer)
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{
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fullName = fullNameBuffer;
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}
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else
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{
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/*In case the assigner has some of its data on the heap
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* we need to do the same*/
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if (fullName != fullNameBuffer)
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delete []fullName;
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fullName = new char[(uprv_strlen(other.fullName)+1)];
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}
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uprv_strcpy(fullName, other.fullName);
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/*Make the variant point to the same offset as the assigner*/
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variantBegin = other.variantBegin;
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return *this;
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}
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int32_t
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Locale::hashCode() const
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{
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return UnicodeString(fullName, "").hashCode();
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}
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const Locale&
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Locale::getDefault()
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{
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#ifdef ICU_LOCID_USE_DEPRECATES
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return fgDefaultLocale;
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#else
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return getLocale(eDEFAULT);
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#endif
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}
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void locale_set_default_internal(const char *id)
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{
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#ifdef ICU_LOCID_USE_DEPRECATES
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Locale::fgDefaultLocale.init(id);
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#else
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if (gLocaleCache == NULL) {
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Locale::initLocaleCache();
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}
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gLocaleCache[eDEFAULT].init(id);
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#endif
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}
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/* sfb 07/21/99 */
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U_CFUNC void
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locale_set_default(const char *id)
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{
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locale_set_default_internal(id);
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}
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/* end */
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void
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Locale::setDefault( const Locale& newLocale,
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UErrorCode& status)
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{
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if (U_FAILURE(status))
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return;
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uloc_setDefault(newLocale.fullName, &status);
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#ifdef ICU_LOCID_USE_DEPRECATES
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fgDefaultLocale = newLocale;
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#else
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if (gLocaleCache == NULL) {
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initLocaleCache();
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}
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gLocaleCache[eDEFAULT] = newLocale;
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#endif
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}
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Locale
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Locale::createFromName (const char *name)
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{
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if (name) {
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UErrorCode status = U_ZERO_ERROR;
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char stack[ULOC_FULLNAME_CAPACITY];
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char *heap = NULL;
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char *buf = stack;
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int32_t buflen = ULOC_FULLNAME_CAPACITY;
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int32_t namelen = (int32_t)uprv_strlen(name);
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/* for some reason */
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if(namelen > buflen) {
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buflen = namelen+1;
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heap = new char[buflen];
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buf = heap;
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}
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uloc_getName(name, buf, buflen, &status);
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Locale l(buf);
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if(heap != NULL)
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{
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delete heap;
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}
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return l;
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}
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else {
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return getDefault();
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}
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}
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const char *
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Locale::getISO3Language() const
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{
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return uloc_getISO3Language(fullName);
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}
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const char *
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Locale::getISO3Country() const
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{
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return uloc_getISO3Country(fullName);
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}
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/**
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* Return the LCID value as specified in the "LocaleID" resource for this
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* locale. The LocaleID must be expressed as a hexadecimal number, from
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* one to four digits. If the LocaleID resource is not present, or is
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* in an incorrect format, 0 is returned. The LocaleID is for use in
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* Windows (it is an LCID), but is available on all platforms.
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*/
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uint32_t
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Locale::getLCID() const
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{
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return uloc_getLCID(fullName);
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}
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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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|
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/*We cannot make any assumptions on the size of the output display strings
|
|
* 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& inLocale,
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UnicodeString& dispLang) const
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{
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UErrorCode status = U_ZERO_ERROR;
|
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UChar bufBuffer[ULOC_FULLNAME_CAPACITY];
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UChar* buf = bufBuffer;
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// dispLang = "result";
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// return dispLang;
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int size = uloc_getDisplayLanguage(fullName,
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inLocale.fullName,
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buf,
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ULOC_FULLNAME_CAPACITY,
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&status);
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|
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if (status == U_BUFFER_OVERFLOW_ERROR)
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{
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status = U_ZERO_ERROR;
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buf = new UChar[size];
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|
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uloc_getDisplayLanguage(fullName,
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inLocale.fullName,
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buf,
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size,
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&status);
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}
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dispLang = buf;
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if (buf != bufBuffer)
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delete []buf;
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return dispLang;
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}
|
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|
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UnicodeString&
|
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Locale::getDisplayCountry(UnicodeString& dispCntry) const
|
|
{
|
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return this->getDisplayCountry(getDefault(), dispCntry);
|
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}
|
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|
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UnicodeString&
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Locale::getDisplayCountry( const Locale& inLocale,
|
|
UnicodeString& dispCntry) const
|
|
{
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UChar bufBuffer[ULOC_FULLNAME_CAPACITY];
|
|
UChar* buf = bufBuffer;
|
|
|
|
int size = uloc_getDisplayCountry(fullName,
|
|
inLocale.fullName,
|
|
buf,
|
|
ULOC_FULLNAME_CAPACITY,
|
|
&status);
|
|
|
|
if (status == U_BUFFER_OVERFLOW_ERROR)
|
|
{
|
|
status = U_ZERO_ERROR;
|
|
buf = new UChar[size];
|
|
uloc_getDisplayCountry(fullName,
|
|
inLocale.fullName,
|
|
buf,
|
|
size,
|
|
&status);
|
|
}
|
|
|
|
dispCntry = buf;
|
|
|
|
if (buf != bufBuffer)
|
|
delete []buf;
|
|
|
|
return dispCntry;
|
|
}
|
|
|
|
UnicodeString&
|
|
Locale::getDisplayVariant(UnicodeString& dispVar) const
|
|
{
|
|
return this->getDisplayVariant(getDefault(), dispVar);
|
|
}
|
|
|
|
UnicodeString& Locale::getDisplayVariant(const Locale& inLocale,
|
|
UnicodeString& dispVar) const
|
|
{
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UChar bufBuffer[ULOC_FULLNAME_CAPACITY];
|
|
UChar* buf = bufBuffer;
|
|
|
|
int size = uloc_getDisplayVariant(fullName,
|
|
inLocale.fullName,
|
|
buf,
|
|
ULOC_FULLNAME_CAPACITY,
|
|
&status);
|
|
|
|
if (status == U_BUFFER_OVERFLOW_ERROR)
|
|
{
|
|
status = U_ZERO_ERROR;
|
|
buf = new UChar[size];
|
|
uloc_getDisplayVariant(fullName,
|
|
inLocale.fullName,
|
|
buf,
|
|
size,
|
|
&status);
|
|
}
|
|
|
|
dispVar = buf;
|
|
|
|
if (buf != bufBuffer)
|
|
delete []buf;
|
|
|
|
return dispVar;
|
|
}
|
|
|
|
UnicodeString&
|
|
Locale::getDisplayName( UnicodeString& name ) const
|
|
{
|
|
return this->getDisplayName(getDefault(), name);
|
|
}
|
|
|
|
UnicodeString&
|
|
Locale::getDisplayName( const Locale& inLocale,
|
|
UnicodeString& result) const
|
|
{
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UChar bufBuffer[ULOC_FULLNAME_CAPACITY];
|
|
UChar* buf = bufBuffer;
|
|
|
|
int size = uloc_getDisplayName(fullName,
|
|
inLocale.fullName,
|
|
buf,
|
|
ULOC_FULLNAME_CAPACITY,
|
|
&status);
|
|
|
|
if (status == U_BUFFER_OVERFLOW_ERROR)
|
|
{
|
|
status = U_ZERO_ERROR;
|
|
|
|
buf = new UChar[size];
|
|
uloc_getDisplayName(fullName,
|
|
inLocale.fullName,
|
|
buf,
|
|
size,
|
|
&status);
|
|
}
|
|
|
|
result = buf;
|
|
|
|
if (buf != bufBuffer) {
|
|
delete []buf;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
UBool
|
|
locale_cleanup(void)
|
|
{
|
|
if (availableLocaleList) {
|
|
delete []availableLocaleList;
|
|
availableLocaleList = NULL;
|
|
}
|
|
availableLocaleListCount = 0;
|
|
return TRUE;
|
|
}
|
|
|
|
const Locale*
|
|
Locale::getAvailableLocales(int32_t& count)
|
|
{
|
|
// for now, there is a hardcoded list, so just walk through that list and set it up.
|
|
if (availableLocaleList == 0) {
|
|
int32_t locCount = uloc_countAvailable();
|
|
Locale *newLocaleList = new Locale[locCount];
|
|
|
|
count = locCount;
|
|
|
|
while(--locCount >= 0) {
|
|
newLocaleList[locCount].setFromPOSIXID(uloc_getAvailable(locCount));
|
|
}
|
|
|
|
Mutex mutex;
|
|
if(availableLocaleList != 0) {
|
|
delete []newLocaleList;
|
|
}
|
|
else {
|
|
availableLocaleListCount = count;
|
|
availableLocaleList = newLocaleList;
|
|
}
|
|
}
|
|
count = availableLocaleListCount;
|
|
return availableLocaleList;
|
|
}
|
|
|
|
const char* const* Locale::getISOCountries()
|
|
{
|
|
return uloc_getISOCountries();
|
|
}
|
|
|
|
const char* const* Locale::getISOLanguages()
|
|
{
|
|
return uloc_getISOLanguages();
|
|
}
|
|
|
|
// Set the locale's data based on a posix id.
|
|
void Locale::setFromPOSIXID(const char *posixID)
|
|
{
|
|
init(posixID);
|
|
}
|
|
|
|
#ifndef ICU_LOCID_USE_DEPRECATES
|
|
const Locale &
|
|
Locale::getEnglish(void)
|
|
{
|
|
return getLocale(eENGLISH);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getFrench(void)
|
|
{
|
|
return getLocale(eFRENCH);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getGerman(void)
|
|
{
|
|
return getLocale(eGERMAN);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getItalian(void)
|
|
{
|
|
return getLocale(eITALIAN);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getJapanese(void)
|
|
{
|
|
return getLocale(eJAPANESE);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getKorean(void)
|
|
{
|
|
return getLocale(eKOREAN);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getChinese(void)
|
|
{
|
|
return getLocale(eCHINESE);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getSimplifiedChinese(void)
|
|
{
|
|
return getLocale(eCHINESE);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getTraditionalChinese(void)
|
|
{
|
|
return getLocale(eTAIWAN);
|
|
}
|
|
|
|
|
|
const Locale &
|
|
Locale::getFrance(void)
|
|
{
|
|
return getLocale(eFRANCE);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getGermany(void)
|
|
{
|
|
return getLocale(eGERMANY);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getItaly(void)
|
|
{
|
|
return getLocale(eITALY);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getJapan(void)
|
|
{
|
|
return getLocale(eJAPAN);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getKorea(void)
|
|
{
|
|
return getLocale(eKOREA);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getChina(void)
|
|
{
|
|
return getLocale(eCHINESE);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getPRC(void)
|
|
{
|
|
return getLocale(eCHINESE);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getTaiwan(void)
|
|
{
|
|
return getLocale(eTAIWAN);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getUK(void)
|
|
{
|
|
return getLocale(eUK);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getUS(void)
|
|
{
|
|
return getLocale(eUS);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getCanada(void)
|
|
{
|
|
return getLocale(eCANADA);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getCanadaFrench(void)
|
|
{
|
|
return getLocale(eFRENCH);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getLocale(int locid)
|
|
{
|
|
if (gLocaleCache) {
|
|
return gLocaleCache[locid];
|
|
}
|
|
|
|
initLocaleCache();
|
|
|
|
return gLocaleCache[locid];
|
|
}
|
|
|
|
/*
|
|
This function is defined this way in order to get around static
|
|
initialization and static destruction.
|
|
*/
|
|
void
|
|
Locale::initLocaleCache(void)
|
|
{
|
|
Locale newLocales[] = {
|
|
Locale("en"),
|
|
Locale("fr"),
|
|
Locale("de"),
|
|
Locale("it"),
|
|
Locale("ja"),
|
|
Locale("ko"),
|
|
Locale("zh"),
|
|
Locale("fr", "FR"),
|
|
Locale("de", "DE"),
|
|
Locale("it", "IT"),
|
|
Locale("ja", "JP"),
|
|
Locale("ko", "KR"),
|
|
Locale("zh", "CN"),
|
|
Locale("zh", "TW"),
|
|
Locale("en", "GB"),
|
|
Locale("en", "US"),
|
|
Locale("en", "CA"),
|
|
Locale("fr", "CA"),
|
|
Locale() // This can use a mutex
|
|
};
|
|
Locale *localeCache = (Locale *)(gByteLocaleCache);
|
|
|
|
{
|
|
Mutex lock;
|
|
if (gLocaleCache != NULL) {
|
|
return;
|
|
}
|
|
uprv_memcpy(gByteLocaleCache, newLocales ,sizeof(newLocales));
|
|
|
|
for (int idx = 0; idx < eMAX_LOCALES; idx++)
|
|
{
|
|
/* Buffers should be small enough that no leaks occur */
|
|
localeCache[idx].fullName = localeCache[idx].fullNameBuffer;
|
|
}
|
|
gLocaleCache = localeCache;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
//eof
|
|
|
|
|