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ICU-4741 implement multi-level fallback

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X-SVN-Rev: 18486
This commit is contained in:
Ram Viswanadha 2005-09-01 22:19:45 +00:00
parent 959dd53756
commit cebc60a530
2 changed files with 98 additions and 89 deletions
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87
icu4c/source/i18n/dtfmtsym.cpp
View File

@ -297,13 +297,13 @@ DateFormatSymbols::copyData(const DateFormatSymbols& other) {
fZoneStrings = NULL;
fZoneStringsColCount = 0;
fZoneStringsRowCount = 0;
fZoneArrayBundle = NULL;
fResourceBundle = NULL;
if(other.fZoneStringsHash!=NULL){
fZoneStringsHash = createZoneStringsHash(other.fZoneStringsHash);
fZoneIDEnumeration = other.fZoneIDEnumeration->clone();
}else{
UErrorCode status =U_ZERO_ERROR;
fZoneArrayBundle = ures_clone(other.fZoneArrayBundle, &status);
fResourceBundle = ures_clone(other.fResourceBundle, &status);
// TODO: what should be done in case of error?
}
@ -368,8 +368,8 @@ void DateFormatSymbols::disposeZoneStrings()
delete fZoneIDEnumeration;
fZoneIDEnumeration = NULL;
}
ures_close(fZoneArrayBundle);
fZoneArrayBundle = NULL;
ures_close(fResourceBundle);
fResourceBundle = NULL;
}
UBool
@ -429,7 +429,7 @@ DateFormatSymbols::operator==(const DateFormatSymbols& other) const
if(fZoneStringsHash == NULL || other.fZoneStringsHash == NULL){
// fZoneStringsHash is not initialized compare the resource bundles
if(ures_equal(fZoneArrayBundle, other.fZoneArrayBundle)== FALSE){
if(ures_equal(fResourceBundle, other.fResourceBundle)== FALSE){
return FALSE;
}
}else{
@ -780,8 +780,6 @@ DateFormatSymbols::initializeData(const Locale& locale, const char *type, UError
int32_t i;
int32_t len = 0;
const UChar *resStr;
static const UnicodeString colon((UChar)0x003a);
static const UnicodeString solidus((UChar)0x002f);
/* In case something goes wrong, initialize all of the data to NULL. */
fEras = NULL;
fErasCount = 0;
@ -818,7 +816,7 @@ DateFormatSymbols::initializeData(const Locale& locale, const char *type, UError
fZoneStrings = NULL;
fZoneStringsHash = NULL;
fZoneIDEnumeration = NULL;
fZoneArrayBundle = NULL;
fResourceBundle = NULL;
if (U_FAILURE(status)) return;
@ -829,7 +827,7 @@ DateFormatSymbols::initializeData(const Locale& locale, const char *type, UError
* these.
*/
CalendarData calData(locale, type, status);
UResourceBundle *nonCalendarData = ures_open((char*)0, locale.getName(), &status);
fResourceBundle = ures_open((char*)0, locale.getName(), &status);
// load the first data item
UResourceBundle *erasMain = calData.getByKey(gErasTag, status);
@ -847,7 +845,6 @@ DateFormatSymbols::initializeData(const Locale& locale, const char *type, UError
UResourceBundle *standaloneWeekdaysData = NULL; // Data closed by calData
UResourceBundle *standaloneShortWeekdaysData = NULL; // Data closed by calData
UResourceBundle *standaloneNarrowWeekdaysData = NULL; // Data closed by calData
fZoneArrayBundle = ures_getByKey(nonCalendarData, gZoneStringsTag, NULL, &status);
U_LOCALE_BASED(locBased, *this);
if (U_FAILURE(status))
@ -917,7 +914,7 @@ DateFormatSymbols::initializeData(const Locale& locale, const char *type, UError
initField(&fAmPms, fAmPmsCount, calData.getByKey(gAmPmMarkersTag, status), status);
// fastCopyFrom()/setTo() - see assignArray comments
resStr = ures_getStringByKey(nonCalendarData, gLocalPatternCharsTag, &len, &status);
resStr = ures_getStringByKey(fResourceBundle, gLocalPatternCharsTag, &len, &status);
fLocalPatternChars.setTo(TRUE, resStr, len);
// If the locale data does not include new pattern chars, use the defaults
// TODO: Consider making this an error, since this may add conflicting characters.
@ -1045,7 +1042,6 @@ DateFormatSymbols::initializeData(const Locale& locale, const char *type, UError
cleanup:
ures_close(eras);
ures_close(eraNames);
ures_close(nonCalendarData);
}
/**
@ -1197,7 +1193,7 @@ UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TimeZoneKeysEnumeration);
void
DateFormatSymbols::initZoneStringsArray(UErrorCode& status){
if(fZoneStringsHash == NULL){
initZoneStrings(fZoneArrayBundle, (const UChar *)gLastResortZoneStrings, ARRAY_LENGTH(gLastResortZoneStrings), status);
initZoneStrings(status);
}
if(U_FAILURE(status)){
return;
@ -1243,40 +1239,38 @@ DateFormatSymbols::initZoneStringsArray(UErrorCode& status){
}
void
DateFormatSymbols::initZoneStrings(UResourceBundle* bundle, const UChar* lastResortStrings,
int32_t length, UErrorCode &status){
DateFormatSymbols::initZoneStrings(UErrorCode &status){
if(U_FAILURE(status)){
return;
}
if(fZoneStringsHash != NULL){
return;
}
int32_t i;
if(bundle != NULL){
if(fResourceBundle != NULL){
static const UnicodeString solidus("/");
static const UnicodeString colon(":");
UResourceBundle zoneItem;
UResourceBundle zoneArray,zoneItem;
ures_initStackObject(&zoneItem);
ures_initStackObject(&zoneArray);
fZoneStringsHash = new Hashtable(status);
if(fZoneStringsHash==NULL){
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
TimeZoneKeysEnumeration* keysEnum = new TimeZoneKeysEnumeration(ures_getSize(bundle),status);
fZoneIDEnumeration = keysEnum;
if(fZoneIDEnumeration==NULL){
delete fZoneStringsHash;
fZoneStringsHash = NULL;
status = U_MEMORY_ALLOCATION_ERROR;
return;
for(const UResourceBundle* rb = fResourceBundle; rb!=NULL; rb=ures_getParentBundle(rb)){
ures_getByKey(rb, gZoneStringsTag, &zoneArray, &status);
if(U_FAILURE(status)){
break;
}
while(ures_hasNext(bundle)){
while(ures_hasNext(&zoneArray)){
UErrorCode tempStatus = U_ZERO_ERROR;
UnicodeString* array = newUnicodeStringArray(UTZ_MAX_DISPLAY_STRINGS_LENGTH);
ures_getNextResource(bundle, &zoneItem, &status);
ures_getNextResource(&zoneArray, &zoneItem, &status);
UnicodeString key(ures_getKey(&zoneItem));
key.findAndReplace(colon, solidus);
keysEnum->put(key, status);
int32_t len = 0;
//fetch the strings with fine grained fallback
const UChar* str = ures_getStringByKeyWithFallback(&zoneItem,UTZ_SHORT_STANDARD, &len, &tempStatus);
@ -1325,6 +1319,25 @@ DateFormatSymbols::initZoneStrings(UResourceBundle* bundle, const UChar* lastRes
fZoneStringsHash->put(key, array, status);
}
ures_close(&zoneItem);
ures_close(&zoneArray);
}
int32_t length = fZoneStringsHash->count();
TimeZoneKeysEnumeration* keysEnum = new TimeZoneKeysEnumeration(length, status);
fZoneIDEnumeration = keysEnum;
if(fZoneIDEnumeration==NULL){
delete fZoneStringsHash;
fZoneStringsHash = NULL;
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
int32_t pos=-1;
const UnicodeString* key;
const UHashElement* elem = NULL;
while((elem = fZoneStringsHash->nextElement(pos))!= NULL){
const UHashTok keyTok = elem->key;
key = (const UnicodeString*)keyTok.pointer;
keysEnum->put(*key, status);
}
}else{
//last resort strings
fZoneStringsHash = new Hashtable(status);
@ -1338,9 +1351,9 @@ DateFormatSymbols::initZoneStrings(UResourceBundle* bundle, const UChar* lastRes
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
UnicodeString key(lastResortStrings[0]);
TimeZoneKeysEnumeration* keysEnum = new TimeZoneKeysEnumeration(ures_getSize(bundle),status);
int32_t length = ARRAY_LENGTH(gLastResortZoneStrings);
UnicodeString key(gLastResortZoneStrings[0]);
TimeZoneKeysEnumeration* keysEnum = new TimeZoneKeysEnumeration(length, status);
fZoneIDEnumeration = keysEnum;
if(fZoneIDEnumeration==NULL){
delete fZoneStringsHash;
@ -1352,7 +1365,7 @@ DateFormatSymbols::initZoneStrings(UResourceBundle* bundle, const UChar* lastRes
keysEnum->put(key, status);
int32_t j=1;
for(i=0; i< length; ){
array[i++].setTo(lastResortStrings[j++]);
array[i++].setTo(gLastResortZoneStrings[j++]);
}
fZoneStringsHash->put(key, array, status);
}
@ -1442,7 +1455,7 @@ DateFormatSymbols::getZoneString(const UnicodeString &zid, const TimeZoneTransla
if(fZoneStringsHash == NULL){
//lazy initialization
initZoneStrings(fZoneArrayBundle, (const UChar *)gLastResortZoneStrings, ARRAY_LENGTH(gLastResortZoneStrings), status);
initZoneStrings(status);
}
if(U_FAILURE(status)){
return result;
@ -1462,7 +1475,7 @@ DateFormatSymbols::createZoneStringIDs(UErrorCode &status){
}
if(fZoneStringsHash == NULL){
//lazy initialization
initZoneStrings(fZoneArrayBundle, (const UChar *)gLastResortZoneStrings, ARRAY_LENGTH(gLastResortZoneStrings), status);
initZoneStrings(status);
}
return fZoneIDEnumeration->clone();
}
@ -1476,7 +1489,7 @@ DateFormatSymbols::setZoneString(const UnicodeString &zid, const TimeZoneTransla
const UnicodeString &value, UErrorCode &status){
if(fZoneStringsHash == NULL){
//lazy initialization
initZoneStrings(fZoneArrayBundle, (const UChar *)gLastResortZoneStrings, ARRAY_LENGTH(gLastResortZoneStrings), status);
initZoneStrings(status);
}
if(U_FAILURE(status)){
return;
@ -1605,7 +1618,7 @@ DateFormatSymbols::hashCompare(Hashtable* hash1,
UnicodeString&
DateFormatSymbols::getZoneID(const UnicodeString& zid, UnicodeString& result, UErrorCode& status){
if(fZoneStringsHash == NULL){
initZoneStrings(fZoneArrayBundle, (const UChar*)gLastResortZoneStrings, ARRAY_LENGTH(gLastResortZoneStrings), status);
initZoneStrings(status);
}
if(U_FAILURE(status)){
return result;
@ -1636,7 +1649,7 @@ void
DateFormatSymbols::getZoneType(const UnicodeString& zid, const UnicodeString& text, int32_t start,
TimeZoneTranslationType& type, UnicodeString& value, UErrorCode& status){
if(fZoneStringsHash == NULL){
initZoneStrings(fZoneArrayBundle, (const UChar*)gLastResortZoneStrings, ARRAY_LENGTH(gLastResortZoneStrings), status);
initZoneStrings(status);
}
if(U_FAILURE(status)){
return;
@ -1657,7 +1670,7 @@ DateFormatSymbols::findZoneIDTypeValue( UnicodeString& zid, const UnicodeString&
TimeZoneTranslationType& type, UnicodeString& value,
UErrorCode& status){
if(fZoneStringsHash == NULL){
initZoneStrings(fZoneArrayBundle, (const UChar*)gLastResortZoneStrings, ARRAY_LENGTH(gLastResortZoneStrings), status);
initZoneStrings(status);
}
if(U_FAILURE(status)){
return;

10
icu4c/source/i18n/unicode/dtfmtsym.h
View File

@ -550,12 +550,8 @@ private:
int32_t fZoneStringsColCount;
StringEnumeration* fZoneIDEnumeration;
Hashtable* fZoneStringsHash;
UResourceBundle* fZoneArrayBundle;
struct VectorItem{
UnicodeString value;
TimeZoneTranslationType type;
VectorItem* next;
};
UResourceBundle* fResourceBundle;
/**
* Localized date-time pattern characters. For example: use 'u' as 'y'.
*/
@ -648,7 +644,7 @@ private:
/**
* Initializes the zoneStrings hash and keys StringEnumeration after reading the zoneStrings resource
*/
void initZoneStrings(UResourceBundle* bundle, const UChar* lastResortStrings, int32_t length, UErrorCode &status);
void initZoneStrings(UErrorCode &status);
/**
* initialzes the zoneStrings has and keys enumeration after reading the strings[][]. Required for backwards
* compatibility of setZoneStrings method