ICU-2436 multiple calendar support

X-SVN-Rev: 11957
This commit is contained in:
Steven R. Loomis 2003-05-15 22:31:16 +00:00
parent de486792a9
commit 41204087aa
3 changed files with 378 additions and 48 deletions

View file

@ -30,13 +30,279 @@
#include "unicode/resbund.h"
#include "unicode/gregocal.h"
#ifdef U_ENABLE_INTL_CALENDARS
# include "buddhcal.h"
#endif
#include "unicode/calendar.h"
#include "cpputils.h"
#include "iculserv.h"
U_NAMESPACE_BEGIN
// ------------------------------------------
//
// Registration
//
//-------------------------------------------
//#define U_DEBUG_CALSVC 1
//#define U_ENABLE_INTL_CALENDARS [disabled for now]
#ifdef U_DEBUG_CALSVC
#include <stdio.h>
#endif
// do NOT force a 'getService' (and thus, registration).
// Define this if you do NOT want automatic registration.
//#define U_DEBUG_CALSVC_NO_GETSVC 1
static ICULocaleService* gService = NULL;
// -------------------------------------
/**
* a Calendar Factory which creates the "basic" calendar types, that is, those
* shipped with ICU.
*/
class BasicCalendarFactory : public LocaleKeyFactory {
public:
/**
* @param calendarType static const string (caller owns storage - will be aliased) to calendar type
*/
BasicCalendarFactory(const char *calendarType)
: LocaleKeyFactory(LocaleKeyFactory::INVISIBLE), fType(calendarType), fID(calendarType,"") { }
virtual ~BasicCalendarFactory() {}
protected:
virtual UBool isSupportedID( const UnicodeString& id, UErrorCode& status) const { return (id == fID); }
virtual void updateVisibleIDs(Hashtable& result, UErrorCode& status) const
{
if (U_SUCCESS(status)) {
const UnicodeString& id = fID;
result.put(id, (void*)this, status);
}
}
virtual UObject* create(const ICUServiceKey& key, const ICUService* service, UErrorCode& status) const {
const LocaleKey& lkey = (LocaleKey&)key;
Locale curLoc; // current locale
Locale canLoc; // Canonical locale
lkey.currentLocale(curLoc);
lkey.canonicalLocale(canLoc);
UnicodeString str;
key.currentID(str);
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "BasicCalendarFactory[%s] - cur %s, can %s\n", fType, (const char*)curLoc.getName(), (const char*)canLoc.getName());
#endif
if(str != fID) { // Do we handle this type?
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "BasicCalendarFactory[%s] - not handling %s.\n", fType, (const char*) curLoc.getName() );
#endif
return NULL;
}
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "BasicCalendarFactory %p: creating %s type for %s\n",
this, fType, (const char*)curLoc.getName());
fflush(stderr);
#endif
if(!fType || !*fType || !strcmp(fType,"gregorian")) { // Gregorian (default)
return new GregorianCalendar(canLoc, status);
#ifdef U_ENABLE_INTL_CALENDARS
# if 0
} else if(!strcmp(fType, "japanese")) {
return new JapaneseCalendar(loc, status);
# endif
} else if(!strcmp(fType, "buddhist")) {
return new BuddhistCalendar(canLoc, status);
#endif
} else {
status = U_UNSUPPORTED_ERROR;
return NULL;
}
}
private:
const char *fType;
const UnicodeString fID;
};
/**
* A factory which looks up the DefaultCalendar resource to determine which class of calendar to use
*/
class DefaultCalendarFactory : public ICUResourceBundleFactory {
public:
DefaultCalendarFactory(): ICUResourceBundleFactory() { }
protected:
virtual UObject* create(const ICUServiceKey& key, const ICUService* service, UErrorCode& status) const {
LocaleKey &lkey = (LocaleKey&)key;
Locale loc;
lkey.currentLocale(loc);
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "DefaultCalendar factory %p: looking up %s\n",
this, (const char*)loc.getName());
#endif
UErrorCode resStatus = U_ZERO_ERROR;
UResourceBundle *rb = ures_open(NULL, (const char*)loc.getName(), &resStatus);
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "... ures_open -> %s\n", u_errorName(resStatus));
#endif
if(U_FAILURE(resStatus) ||
(resStatus == U_USING_DEFAULT_WARNING) || (resStatus==U_USING_FALLBACK_WARNING)) { //Don't want to handle fallback data.
ures_close(rb);
status = resStatus; // propagate err back to caller
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "... exitting (NULL)\n");
#endif
return NULL;
}
int32_t len = 0;
const UChar *defCal = ures_getStringByKey(rb, Calendar::kDefaultCalendar, &len, &status);
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "... get string(%d) -> %s\n", len, u_errorName(status));
#endif
ures_close(rb);
if(U_FAILURE(status)) {
return NULL;
}
char defCalStr[200];
if(len > 199) {
len = 199;
}
u_UCharsToChars(defCal, defCalStr, len);
defCalStr[len]=0;
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "DefaultCalendarFactory: looked up %s, got DefaultCalendar= %s\n", (const char*)loc.getName(), defCalStr);
#endif
return new UnicodeString(defCalStr,""); // Return indirection string
}
};
// -------------------------------------
class CalendarService : public ICULocaleService {
public:
CalendarService()
: ICULocaleService("Calendar")
{
UErrorCode status = U_ZERO_ERROR;
registerFactory(new DefaultCalendarFactory(), status);
}
virtual UObject* cloneInstance(UObject* instance) const {
if(instance->getDynamicClassID() == UnicodeString::getStaticClassID()) {
return ((UnicodeString*)instance)->clone();
} else {
#ifdef U_DEBUG_CALSVC_F
UErrorCode status2 = U_ZERO_ERROR;
fprintf(stderr, "Cloning a %s calendar with tz=%ld\n", ((Calendar*)instance)->getType(), ((Calendar*)instance)->get(UCAL_ZONE_OFFSET, status2));
#endif
return ((Calendar*)instance)->clone();
}
}
virtual UObject* handleDefault(const ICUServiceKey& key, UnicodeString* actualID, UErrorCode& status) const {
LocaleKey& lkey = (LocaleKey&)key;
int32_t kind = lkey.kind();
Locale loc;
lkey.canonicalLocale(loc);
#ifdef U_DEBUG_CALSVC
Locale loc2;
lkey.currentLocale(loc2);
fprintf(stderr, "CalSvc:handleDefault for currentLoc %s, canloc %s\n", (const char*)loc.getName(), (const char*)loc2.getName());
#endif
Calendar *nc = new GregorianCalendar(loc, status);
#ifdef U_DEBUG_CALSVC
UErrorCode status2 = U_ZERO_ERROR;
fprintf(stderr, "New default calendar has tz=%d\n", ((Calendar*)nc)->get(UCAL_ZONE_OFFSET, status2));
#endif
return nc;
}
virtual UBool isDefault() const {
return countFactories() == 1;
}
};
// -------------------------------------
static UMTX gnLock = 0;
static ICULocaleService*
getService(void)
{
if (gService == NULL) {
UErrorCode status = U_ZERO_ERROR;
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "Spinning up Calendar Service\n");
#endif
ICULocaleService * newservice = new CalendarService();
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "Registering classes..\n");
#endif
// Register all basic instances.
#ifdef U_ENABLE_INTL_CALENDARS
newservice->registerFactory(new BasicCalendarFactory("japanese"),status);
newservice->registerFactory(new BasicCalendarFactory("buddhist"),status);
#endif
newservice->registerFactory(new BasicCalendarFactory("gregorian"),status);
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "Done..\n");
#endif
if(U_FAILURE(status)) {
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "err (%s) registering classes, deleting service.....\n", u_errorName(status));
#endif
delete newservice;
newservice = NULL;
}
if (newservice) {
Mutex mutex(&gnLock);
if (gService == NULL) {
gService = newservice;
newservice = NULL;
}
}
if (newservice) {
delete newservice;
}
}
return gService;
}
// -------------------------------------
// Resource bundle tags read by this class
const char Calendar::kDateTimeElements[] = "DateTimeElements";
const char Calendar::kDefaultCalendar[] = "DefaultCalendar";
// Data flow in Calendar
// ---------------------
@ -191,16 +457,7 @@ Calendar::operator=(const Calendar &right)
Calendar*
Calendar::createInstance(UErrorCode& success)
{
if (U_FAILURE(success)) return 0;
// right now, createInstance will always return an instance of GregorianCalendar
Calendar* c = new GregorianCalendar(success);
/* test for NULL */
if (c == 0) {
success = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
if (U_FAILURE(success)) { delete c; c = 0; }
return c;
return createInstance(TimeZone::createDefault(), Locale::getDefault(), success);
}
// -------------------------------------
@ -208,16 +465,7 @@ Calendar::createInstance(UErrorCode& success)
Calendar*
Calendar::createInstance(const TimeZone& zone, UErrorCode& success)
{
if (U_FAILURE(success)) return 0;
// since the Locale isn't specified, use the default locale
Calendar* c = new GregorianCalendar(zone, Locale::getDefault(), success);
/* test for NULL */
if (c == 0) {
success = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
if (U_FAILURE(success)) { delete c; c = 0; }
return c;
return createInstance(zone, Locale::getDefault(), success);
}
// -------------------------------------
@ -225,36 +473,73 @@ Calendar::createInstance(const TimeZone& zone, UErrorCode& success)
Calendar*
Calendar::createInstance(const Locale& aLocale, UErrorCode& success)
{
if (U_FAILURE(success)) return 0;
// since the TimeZone isn't specfied, use the default time zone
Calendar* c = new GregorianCalendar(TimeZone::createDefault(), aLocale, success);
/* test for NULL */
if (c == 0) {
success = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
if (U_FAILURE(success)) { delete c; c = 0; }
return c;
return createInstance(TimeZone::createDefault(), aLocale, success);
}
// -------------------------------------
// ------------------------------------- Adopting
// Note: this is the bottleneck that actually calls the service routines.
Calendar*
Calendar::createInstance(TimeZone* zone, const Locale& aLocale, UErrorCode& success)
{
if (U_FAILURE(success)) {
delete zone;
return 0;
// to do - put back non-service code.
UObject* u = getService()->get(aLocale, LocaleKey::KIND_ANY, success);
Calendar* c = NULL;
if(U_FAILURE(success) || !u) {
delete zone;
return NULL;
}
if(u->getDynamicClassID() == UnicodeString::getStaticClassID()) {
// It's a unicode string telling us what type of calendar to load ("gregorian", etc)
char tmp[200];
const UnicodeString& str = *(UnicodeString*)u;
// Extract a char* out of it..
int32_t len = str.length();
if(len > 198) {
len = 198;
}
Calendar* c = new GregorianCalendar(zone, aLocale, success);
if (c == 0) {
success = U_MEMORY_ALLOCATION_ERROR;
delete zone;
} else if (U_FAILURE(success)) {
delete c;
c = 0;
str.extract(0,len,tmp);
tmp[len]=0;
#ifdef U_DEBUG_CALSVC
// fprintf(stderr, "createInstance(%s) told to look at %s..\n", (const char*)aLocale.getName(), tmp);
#endif
// Create a Locale
Locale l(tmp,"");
delete u;
u = NULL;
c = (Calendar*)getService()->get(l, LocaleKey::KIND_ANY, success);
if(U_FAILURE(success) || !c) {
delete zone;
//delete u;
return NULL;
}
return c;
if(c->getDynamicClassID() == UnicodeString::getStaticClassID()) {
// recursed!
success = U_MISSING_RESOURCE_ERROR; // requested a calendar type which could NOT be found.
delete c;
//delete u;
delete zone;
return NULL;
}
#ifdef U_DEBUG_CALSVC
fprintf(stderr, "setting to locale %s\n", (const char*)aLocale.getName());
#endif
c->setWeekCountData(aLocale, success); // set the correct locale (this was an indirected calendar)
} else {
// calendar was returned
c = (Calendar*)u;
}
c->adoptTimeZone(zone); // Set the correct time zone
return c;
}
// -------------------------------------
@ -262,7 +547,17 @@ Calendar::createInstance(TimeZone* zone, const Locale& aLocale, UErrorCode& succ
Calendar*
Calendar::createInstance(const TimeZone& zone, const Locale& aLocale, UErrorCode& success)
{
if (U_FAILURE(success)) return 0;
#ifndef U_DEBUG_CALSVC_NO_GETSVC
getService();
#endif
if(gService != NULL) {
Calendar* c = createInstance(aLocale, success);
if(U_SUCCESS(success) && c) {
c->setTimeZone(zone);
}
return c;
} else {
// non service code
Calendar* c = new GregorianCalendar(zone, aLocale, success);
/* test for NULL */
if (c == 0) {
@ -271,6 +566,7 @@ Calendar::createInstance(const TimeZone& zone, const Locale& aLocale, UErrorCode
}
if (U_FAILURE(success)) { delete c; c = 0; }
return c;
}
}
// -------------------------------------
@ -664,8 +960,8 @@ Calendar::isLenient() const
void
Calendar::setFirstDayOfWeek(UCalendarDaysOfWeek value)
{
if (fFirstDayOfWeek != value &&
value >= UCAL_SUNDAY && value <= SATURDAY) {
if (fFirstDayOfWeek != value &&
value >= UCAL_SUNDAY && value <= UCAL_SATURDAY) {
fFirstDayOfWeek = value;
fAreFieldsSet = FALSE;
}
@ -877,8 +1173,14 @@ Calendar::updateTime(UErrorCode& status)
fIsTimeSet = TRUE;
}
U_NAMESPACE_END
extern "C" void calLoadSvc() {
getService();
}
#endif /* #if !UCONFIG_NO_FORMATTING */
//eof

View file

@ -136,13 +136,28 @@ DateFormatSymbols::DateFormatSymbols(const Locale& locale,
UErrorCode& status)
: UObject()
{
initializeData(locale, status);
initializeData(locale, NULL, status);
}
DateFormatSymbols::DateFormatSymbols(UErrorCode& status)
: UObject()
{
initializeData(Locale::getDefault(), status, TRUE);
initializeData(Locale::getDefault(), NULL, status, TRUE);
}
DateFormatSymbols::DateFormatSymbols(const Locale& locale,
const char *type,
UErrorCode& status)
: UObject()
{
initializeData(locale, type, status);
}
DateFormatSymbols::DateFormatSymbols(const char *type, UErrorCode& status)
: UObject()
{
initializeData(Locale::getDefault(), type, status, TRUE);
}
DateFormatSymbols::DateFormatSymbols(const DateFormatSymbols& other)
@ -519,8 +534,14 @@ DateFormatSymbols::initField(UnicodeString **field, int32_t& length, const UChar
}
}
ResourceBundle
DateFormatSymbols::getData(ResourceBundle &rb, const char *tag, const char * /*type*/, UErrorCode& status )
{
return rb.get(tag, status);
}
void
DateFormatSymbols::initializeData(const Locale& locale, UErrorCode& status, UBool useLastResortData)
DateFormatSymbols::initializeData(const Locale& locale, const char * /* type */, UErrorCode& status, UBool useLastResortData)
{
int32_t i;

View file

@ -2059,6 +2059,13 @@ GregorianCalendar::internalGetEra() const {
return isSet(UCAL_ERA) ? internalGet(UCAL_ERA) : AD;
}
const char *
GregorianCalendar::getType() const {
//static const char kGregorianType = "gregorian";
return "gregorian";
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */