michael@0: /**
michael@0:  *******************************************************************************
michael@0:  * Copyright (C) 2001-2005, International Business Machines Corporation and    *
michael@0:  * others. All Rights Reserved.                                                *
michael@0:  *******************************************************************************
michael@0:  *
michael@0:  *******************************************************************************
michael@0:  */
michael@0: #include "unicode/utypes.h"
michael@0: 
michael@0: #if !UCONFIG_NO_SERVICE
michael@0: 
michael@0: #include "unicode/resbund.h"
michael@0: #include "uresimp.h"
michael@0: #include "cmemory.h"
michael@0: #include "servloc.h"
michael@0: #include "ustrfmt.h"
michael@0: #include "uhash.h"
michael@0: #include "charstr.h"
michael@0: #include "ucln_cmn.h"
michael@0: #include "uassert.h"
michael@0: 
michael@0: #define UNDERSCORE_CHAR ((UChar)0x005f)
michael@0: #define AT_SIGN_CHAR    ((UChar)64)
michael@0: #define PERIOD_CHAR     ((UChar)46)
michael@0: 
michael@0: 
michael@0: U_NAMESPACE_BEGIN
michael@0: 
michael@0: LocaleKeyFactory::LocaleKeyFactory(int32_t coverage)
michael@0:   : _name()
michael@0:   , _coverage(coverage)
michael@0: {
michael@0: }
michael@0: 
michael@0: LocaleKeyFactory::LocaleKeyFactory(int32_t coverage, const UnicodeString& name)
michael@0:   : _name(name)
michael@0:   , _coverage(coverage)
michael@0: {
michael@0: }
michael@0: 
michael@0: LocaleKeyFactory::~LocaleKeyFactory() {
michael@0: }
michael@0: 
michael@0: UObject*
michael@0: LocaleKeyFactory::create(const ICUServiceKey& key, const ICUService* service, UErrorCode& status) const {
michael@0:     if (handlesKey(key, status)) {
michael@0:         const LocaleKey& lkey = (const LocaleKey&)key;
michael@0:         int32_t kind = lkey.kind();
michael@0:         Locale loc;
michael@0:         lkey.currentLocale(loc);
michael@0: 
michael@0:         return handleCreate(loc, kind, service, status);
michael@0:     }
michael@0:     return NULL;
michael@0: }
michael@0: 
michael@0: UBool
michael@0: LocaleKeyFactory::handlesKey(const ICUServiceKey& key, UErrorCode& status) const {
michael@0:     const Hashtable* supported = getSupportedIDs(status);
michael@0:     if (supported) {
michael@0:         UnicodeString id;
michael@0:         key.currentID(id);
michael@0:         return supported->get(id) != NULL;
michael@0:     }
michael@0:     return FALSE;
michael@0: }
michael@0: 
michael@0: void
michael@0: LocaleKeyFactory::updateVisibleIDs(Hashtable& result, UErrorCode& status) const {
michael@0:     const Hashtable* supported = getSupportedIDs(status);
michael@0:     if (supported) {
michael@0:         UBool visible = (_coverage & 0x1) == 0;
michael@0: 
michael@0:         const UHashElement* elem = NULL;
michael@0:         int32_t pos = 0;
michael@0:         while ((elem = supported->nextElement(pos)) != NULL) {
michael@0:             const UnicodeString& id = *((const UnicodeString*)elem->key.pointer);
michael@0:             if (!visible) {
michael@0:                 result.remove(id);
michael@0:             } else {
michael@0:                 result.put(id, (void*)this, status); // this is dummy non-void marker used for set semantics
michael@0:                 if (U_FAILURE(status)) {
michael@0:                     break;
michael@0:                 }
michael@0:             }
michael@0:         }
michael@0:     }
michael@0: }
michael@0: 
michael@0: UnicodeString&
michael@0: LocaleKeyFactory::getDisplayName(const UnicodeString& id, const Locale& locale, UnicodeString& result) const {
michael@0:     if ((_coverage & 0x1) == 0) {
michael@0:         //UErrorCode status = U_ZERO_ERROR;
michael@0:         // assume if this is called on us, we support some fallback of this id
michael@0:         // if (isSupportedID(id, status)) {
michael@0:             Locale loc;
michael@0:             LocaleUtility::initLocaleFromName(id, loc);
michael@0:             return loc.getDisplayName(locale, result);
michael@0:         // }
michael@0:     }
michael@0:     result.setToBogus();
michael@0:     return result;
michael@0: }
michael@0: 
michael@0: UObject*
michael@0: LocaleKeyFactory::handleCreate(const Locale& /* loc */, 
michael@0:                    int32_t /* kind */, 
michael@0:                    const ICUService* /* service */, 
michael@0:                    UErrorCode& /* status */) const {
michael@0:     return NULL;
michael@0: }
michael@0: 
michael@0: //UBool
michael@0: //LocaleKeyFactory::isSupportedID(const UnicodeString& id, UErrorCode& status) const {
michael@0: //    const Hashtable* ids = getSupportedIDs(status);
michael@0: //    return ids && ids->get(id);
michael@0: //}
michael@0: 
michael@0: const Hashtable*
michael@0: LocaleKeyFactory::getSupportedIDs(UErrorCode& /* status */) const {
michael@0:     return NULL;
michael@0: }
michael@0: 
michael@0: #ifdef SERVICE_DEBUG
michael@0: UnicodeString&
michael@0: LocaleKeyFactory::debug(UnicodeString& result) const
michael@0: {
michael@0:     debugClass(result);
michael@0:     result.append(", name: ");
michael@0:     result.append(_name);
michael@0:     result.append(", coverage: ");
michael@0:     result.append(_coverage);
michael@0:     return result;
michael@0: }
michael@0: 
michael@0: UnicodeString&
michael@0: LocaleKeyFactory::debugClass(UnicodeString& result) const
michael@0: {
michael@0:   return result.append("LocaleKeyFactory");
michael@0: }
michael@0: #endif
michael@0: 
michael@0: UOBJECT_DEFINE_RTTI_IMPLEMENTATION(LocaleKeyFactory)
michael@0: 
michael@0: U_NAMESPACE_END
michael@0: 
michael@0: /* !UCONFIG_NO_SERVICE */
michael@0: #endif
michael@0: 
michael@0: