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initial addition of NSLocale
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@30849 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald
parent
4b6a428200
commit
1de22f472c
5 changed files with 747 additions and 0 deletions
505
Source/NSLocale.m
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505
Source/NSLocale.m
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/* NSLocale.m
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Copyright (C) 2010 Free Software Foundation, Inc.
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Written by: Stefan Bidigaray
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Date: June, 2010
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; see the file COPYING.LIB.
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If not, see <http://www.gnu.org/licenses/> or write to the
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Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#import "common.h"
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#import "Foundation/NSLocale.h"
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#import "Foundation/NSArray.h"
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#import "Foundation/NSDictionary.h"
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#import "Foundation/NSLock.h"
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#import "Foundation/NSUserDefaults.h"
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#import "Foundation/NSString.h"
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#import "GNUstepBase/GSLock.h"
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//
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// NSLocale Component Keys
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//
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NSString * const NSLocaleIdentifier = @"NSLocaleIdentifier";
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NSString * const NSLocaleLanguageCode = @"NSLocaleLanguageCode";
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NSString * const NSLocaleCountryCode = @"NSLocaleCountryCode";
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NSString * const NSLocaleScriptCode = @"NSLocaleScriptCode";
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NSString * const NSLocaleVariantCode = @"NSLocaleVariantCode";
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NSString * const NSLocaleExemplarCharacterSet = @"NSLocaleExemplarCharacterSet";
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NSString * const NSLocaleCalendar = @"NSLocaleCalendar";
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NSString * const NSLocaleCollationIdentifier = @"NSLocaleCollationIdentifier";
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NSString * const NSLocaleUsesMetricSystem = @"NSLocaleUsesMetricSystem";
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NSString * const NSLocaleMeasurementSystem = @"NSLocaleMeasurementSystem";
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NSString * const NSLocaleDecimalSeparator = @"NSLocaleDecimalSeparator";
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NSString * const NSLocaleGroupingSeparator = @"NSLocaleGroupingSeparator";
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NSString * const NSLocaleCurrencySymbol = @"NSLocaleCurrencySymbol";
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NSString * const NSLocaleCurrencyCode = @"NSLocaleCurrencyCode";
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NSString * const NSLocaleCollatorIdentifier = @"NSLocaleCollatorIdentifier";
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NSString * const NSLocaleQuotationBeginDelimiterKey =
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@"NSLocaleQuotationBeginDelimiterKey";
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NSString * const NSLocaleAlternateQuotationBeginDelimiterKey =
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@"NSLocaleAlternateQuotationBeginDelimiterKey";
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NSString * const NSLocaleAlternateQuotationEndDelimiterKey =
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@"NSLocaleAlternateQuotationEndDelimiterKey";
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//
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// NSLocale Calendar Keys
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//
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NSString * const NSGregorianCalendar = @"NSGregorianCalendar";
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NSString * const NSBuddhistCalendar = @"NSBuddhistCalendar";
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NSString * const NSChineseCalendar = @"NSChineseCalendar";
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NSString * const NSHebrewCalendar = @"NSHebrewCalendar";
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NSString * const NSIslamicCalendar = @"NSIslamicCalendar";
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NSString * const NSIslamicCivilCalendar = @"NSIslamicCivilCalendar";
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NSString * const NSJapaneseCalendar = @"NSJapaneseCalendar";
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NSString * const NSRepublicOfChinaCalendar = @"NSRepublicOfChinaCalendar";
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NSString * const NSPersianCalendar = @"NSPersianCalendar";
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NSString * const NSIndianCalendar = @"NSIndianCalendar";
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NSString * const NSISO8601Calendar = @"NSISO8601Calendar";
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#if HAVE_ICU
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#include <unicode/uloc.h>
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#include <unicode/ulocdata.h>
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#include <unicode/ucurr.h>
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//
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// ICU Component Keywords
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//
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static const char * ICUCalendarKeyword = "calendar";
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static const char * ICUCollationKeyword = "collation";
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static NSLocaleLanguageDirection _ICUToNSLocaleOrientation (ULayoutType layout)
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{
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switch (layout)
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{
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case ULOC_LAYOUT_LTR:
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return NSLocaleLanguageDirectionLeftToRight;
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case ULOC_LAYOUT_RTL:
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return NSLocaleLanguageDirectionRightToLeft;
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case ULOC_LAYOUT_TTB:
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return NSLocaleLanguageDirectionTopToBottom;
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case ULOC_LAYOUT_BTT:
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return NSLocaleLanguageDirectionBottomToTop;
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default:
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return NSLocaleLanguageDirectionUnknown;
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}
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}
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static NSArray *_currencyCodesWithType (uint32_t currType)
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{
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NSArray *result;
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NSMutableArray *currencies = [[NSMutableArray alloc] initWithCapacity: 10];
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UErrorCode error = U_ZERO_ERROR;
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UErrorCode status = U_ZERO_ERROR;
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char *currCode;
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UEnumeration *codes = ucurr_openISOCurrencies (currType, &error);
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if (U_FAILURE(error))
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return nil;
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do
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{
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int32_t strLength;
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currCode = uenum_next (codes, &strLength, &status);
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if (U_FAILURE(status))
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{
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uenum_close (codes);
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return nil;
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}
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[currencies addObject: [NSString stringWithCString: currCode
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length: strLength]];
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} while (NULL != currCode);
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uenum_close (codes);
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result = [NSArray arrayWithArray: currencies];
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RELEASE (currencies);
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return result;
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}
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static NSLocale *autoupdatingLocale = nil;
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static NSLocale *currentLocale = nil;
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static NSLocale *systemLocale = nil;
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static NSMutableDictionary *allLocales = nil;
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static NSRecursiveLock *classLock = nil;
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@implementation NSLocale
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+ (void) initialize
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{
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if (self == [NSLocale class])
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{
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classLock = [GSLazyRecursiveLock new];
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}
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}
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+ (id) autoupdatingCurrentLocale
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{
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// FIXME
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NSLocale *result;
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[classLock lock];
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if (nil == autoupdatingLocale)
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{
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}
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result = RETAIN(autoupdatingLocale);
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[classLock unlock];
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return AUTORELEASE(result);
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}
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+ (NSArray *) availableLocaleIdentifiers
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{
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NSArray *result;
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NSMutableArray *available = [[NSMutableArray alloc] initWithCapacity: 10];
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int32_t i;
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int32_t count = uloc_countAvailable ();
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for (i = 1 ; i <= count ; ++i)
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{
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const char *localeID = uloc_getAvailable (i);
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[available addObject: [NSString stringWithCString: localeID]];
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}
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result = [NSArray arrayWithArray: available];
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RELEASE(available);
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return result;
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}
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+ (NSString *) canonicalLanguageIdentifierFromString: (NSString *) string
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{
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// FIXME
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return nil;
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}
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+ (NSString *) canonicalLocaleIdentifierFromString: (NSString *) string
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{
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// FIXME
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return nil;
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}
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+ (NSLocaleLanguageDirection) characterDirectionForLanguage:
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(NSString *)isoLangCode
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{
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ULayoutType result;
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UErrorCode status = U_ZERO_ERROR;
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result = uloc_getCharacterOrientation ([isoLangCode cString], &status);
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if (U_FAILURE(status) || ULOC_LAYOUT_UNKNOWN == result)
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return NSLocaleLanguageDirectionUnknown;
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return _ICUToNSLocaleOrientation (result);
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}
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+ (NSDictionary *) componentsFromLocaleIdentifier: (NSString *) string
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{
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char buffer[ULOC_LANG_CAPACITY];
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int32_t strLength;
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UErrorCode error = U_ZERO_ERROR;
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NSDictionary *result;
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NSMutableDictionary *tmpDict =
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[[NSMutableDictionary alloc] initWithCapacity: 5];
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strLength =
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uloc_getLanguage ([string cString], buffer, ULOC_LANG_CAPACITY, &error);
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if (U_SUCCESS(error))
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{
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[tmpDict setObject: [NSString stringWithCString: buffer length: strLength]
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forKey: NSLocaleLanguageCode];
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}
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error = U_ZERO_ERROR;
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strLength =
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uloc_getCountry ([string cString], buffer, ULOC_COUNTRY_CAPACITY, &error);
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if (U_SUCCESS(error))
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{
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[tmpDict setObject: [NSString stringWithCString: buffer length: strLength]
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forKey: NSLocaleCountryCode];
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}
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error = U_ZERO_ERROR;
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strLength =
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uloc_getScript ([string cString], buffer, ULOC_SCRIPT_CAPACITY, &error);
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if (U_SUCCESS(error))
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{
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[tmpDict setObject: [NSString stringWithCString: buffer length: strLength]
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forKey: NSLocaleScriptCode];
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}
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error = U_ZERO_ERROR;
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strLength =
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uloc_getVariant ([string cString], buffer, ULOC_LANG_CAPACITY, &error);
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if (U_SUCCESS(error))
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{
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[tmpDict setObject: [NSString stringWithCString: buffer length: strLength]
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forKey: NSLocaleVariantCode];
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}
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error = U_ZERO_ERROR;
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result = [NSDictionary dictionaryWithDictionary: tmpDict];
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RELEASE(tmpDict);
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return result;
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}
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+ (id) currentLocale
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{
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NSLocale *result;
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[classLock lock];
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if (nil == currentLocale)
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{
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const char *cLocaleId = uloc_getDefault ();
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NSString *localeId = [NSString stringWithCString: cLocaleId];
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currentLocale = [[NSLocale alloc] initWithLocaleIdentifier: localeId];
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}
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result = RETAIN(currentLocale);
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[classLock unlock];
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return AUTORELEASE(result);
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}
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+ (NSArray *) commonISOCurrencyCodes
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{
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return _currencyCodesWithType (UCURR_COMMON | UCURR_NON_DEPRECATED);
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}
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+ (NSArray *) ISOCurrencyCodes
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{
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return _currencyCodesWithType (UCURR_ALL);
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}
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+ (NSArray *) ISOCountryCodes
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{
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NSArray *result;
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NSMutableArray *countries = [[NSMutableArray alloc] initWithCapacity: 10];
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const char *const *codes = uloc_getISOCountries ();
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while (codes != NULL)
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{
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[countries addObject: [NSString stringWithCString: *codes]];
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++codes;
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}
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result = [NSArray arrayWithArray: countries];
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RELEASE(countries);
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return result;
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}
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+ (NSArray *) ISOLanguageCodes
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{
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NSArray *result;
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NSMutableArray *languages = [[NSMutableArray alloc] initWithCapacity: 10];
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const char *const *codes = uloc_getISOCountries ();
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while (codes != NULL)
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{
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[languages addObject: [NSString stringWithCString: *codes]];
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++codes;
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}
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result = [NSArray arrayWithArray: languages];
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RELEASE(languages);
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return result;
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}
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+ (NSLocaleLanguageDirection) lineDirectionForLanguage: (NSString *) isoLangCode
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{
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ULayoutType result;
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UErrorCode status = U_ZERO_ERROR;
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result = uloc_getLineOrientation ([isoLangCode cString], &status);
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if (U_FAILURE(status) || ULOC_LAYOUT_UNKNOWN == result)
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return NSLocaleLanguageDirectionUnknown;
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return _ICUToNSLocaleOrientation (result);
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}
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+ (NSArray *) preferredLanguages
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{
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// FIXME
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return [NSUserDefaults userLanguages];
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}
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+ (id) systemLocale
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{
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// FIXME
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NSLocale *result;
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[classLock lock];
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if (nil == systemLocale)
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{
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}
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result = RETAIN(systemLocale);
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[classLock unlock];
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return AUTORELEASE(result);
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}
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+ (NSString *) localeIdentifierFromComponents: (NSDictionary *) dict
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{
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char buffer[ULOC_FULLNAME_CAPACITY];
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UErrorCode status = U_ZERO_ERROR;
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const char *language = [[dict objectForKey: NSLocaleLanguageCode] cString];
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const char *script = [[dict objectForKey: NSLocaleScriptCode] cString];
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const char *country = [[dict objectForKey: NSLocaleCountryCode] cString];
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const char *variant = [[dict objectForKey: NSLocaleVariantCode] cString];
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const char *calendar = [[dict objectForKey: NSLocaleCalendar] cString];
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const char *collation = [[dict objectForKey: NSLocaleCollationIdentifier] cString];
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#define __TEST_CODE(x) (x ? "_" : ""), (x ? x : "")
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snprintf (buffer, ULOC_FULLNAME_CAPACITY, "%s%s%s%s%s%s%s",
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(language ? language : ""), __TEST_CODE(script),
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__TEST_CODE(country), __TEST_CODE(variant));
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#undef __TEST_CODE
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if (calendar)
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{
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uloc_setKeywordValue (ICUCalendarKeyword, calendar, buffer,
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ULOC_FULLNAME_CAPACITY, &status);
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}
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if (collation)
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{
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uloc_setKeywordValue (ICUCollationKeyword, collation, buffer,
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ULOC_FULLNAME_CAPACITY, &status);
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}
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return [NSString stringWithCString: buffer];
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}
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+ (NSString *) localeIdentifierFromWindowsLocaleCode: (uint32_t) lcid
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{
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char buffer[ULOC_FULLNAME_CAPACITY];
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UErrorCode status = U_ZERO_ERROR;
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int32_t length =
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uloc_getLocaleForLCID (lcid, buffer, ULOC_FULLNAME_CAPACITY, &status);
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if (U_FAILURE(status))
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return nil;
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return [NSString stringWithCString: buffer length: (NSUInteger)length];
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}
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+ (uint32_t) windowsLocaleCodeFromLocaleIdentifier: (NSString *)localeIdentifier
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{
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return uloc_getLCID ([localeIdentifier cString]);
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}
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- (NSString *) displayNameForKey: (id) key value: (id) value
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{
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int32_t length;
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unichar buffer[ULOC_FULLNAME_CAPACITY];
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UErrorCode status;
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const char *locale = [[self localeIdentifier] cString];
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length = uloc_getDisplayKeywordValue (locale, [key cString],
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[value cString], (UChar *)buffer, sizeof(buffer)/sizeof(unichar),
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&status);
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if (U_FAILURE(status))
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return nil;
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return [NSString stringWithCharacters: buffer length: (NSUInteger)length];
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}
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- (id) initWithLocaleIdentifier: (NSString *) string
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{
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NSLocale *newLocale;
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NSString *localeId;
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int32_t length;
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char cLocaleId[ULOC_FULLNAME_CAPACITY];
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UErrorCode error = U_ZERO_ERROR;
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length = uloc_canonicalize ([string cString], cLocaleId,
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ULOC_FULLNAME_CAPACITY, &error);
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if (U_FAILURE(error))
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return nil;
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localeId = [[NSString alloc] initWithCString: cLocaleId length: length];
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if (nil == allLocales)
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{
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newLocale = [allLocales objectForKey: localeId];
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if (newLocale)
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{
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RELEASE(self);
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return newLocale;
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}
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}
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else
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{
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allLocales = [[NSMutableDictionary alloc] initWithCapacity: 0];
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}
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_localeId = localeId;
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_components = [[NSMutableDictionary alloc] initWithCapacity: 0];
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[allLocales setObject: self forKey: localeId];
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return self;
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}
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- (NSString *) localeIdentifier
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{
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return _localeId;
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}
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- (id) objectForKey: (id) key
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{
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// FIXME: this is really messy...
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id result;
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if (key == NSLocaleIdentifier)
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return _localeId;
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if ((result = [_components objectForKey: key]))
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return result;
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[_components addEntriesFromDictionary:
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[NSLocale componentsFromLocaleIdentifier: [self localeIdentifier]]];
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if ((result = [_components objectForKey: key]))
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return result;
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// FIXME: look up other keywords with uloc_getKeywordValue().
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return nil;
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}
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- (void) dealloc
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{
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RELEASE(_localeId);
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RELEASE(_components);
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[super dealloc];
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}
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//
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// NSCoding
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//
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- (void) encodeWithCoder: (NSCoder *) encoder
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{
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}
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- (id) initWithCoder: (NSCoder *) decoder
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{
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return nil;
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}
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//
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// NSCopying
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//
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- (id) copyWithZone: (NSZone *) zone
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{
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return RETAIN(self);
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}
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@end
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#else
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#endif
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