/*
**********************************************************************
- * Copyright (C) 1997-2008, International Business Machines
+ * Copyright (C) 1997-2011, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
*
#include "unicode/locid.h"
#include "unicode/uloc.h"
+#include "putilimp.h"
#include "umutex.h"
#include "uassert.h"
#include "cmemory.h"
#include "cstring.h"
#include "uhash.h"
#include "ucln_cmn.h"
+#include "ustr_imp.h"
#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
-static U_NAMESPACE_QUALIFIER Locale* availableLocaleList = NULL;
-static int32_t availableLocaleListCount;
typedef enum ELocalePos {
eENGLISH,
eFRENCH,
eUS,
eCANADA,
eCANADA_FRENCH,
+ eROOT,
//eDEFAULT,
UBool valuesToo,
UErrorCode *status);
-static U_NAMESPACE_QUALIFIER Locale *gLocaleCache = NULL;
-static U_NAMESPACE_QUALIFIER Locale *gDefaultLocale = NULL;
-static UHashtable *gDefaultLocalesHashT = NULL;
+static icu::Locale *gLocaleCache = NULL;
+static icu::Locale *gDefaultLocale = NULL;
+static UHashtable *gDefaultLocalesHashT = NULL;
U_CDECL_BEGIN
//
//
static void U_CALLCONV
deleteLocale(void *obj) {
- delete (U_NAMESPACE_QUALIFIER Locale *) obj;
+ delete (icu::Locale *) obj;
}
static UBool U_CALLCONV locale_cleanup(void)
{
U_NAMESPACE_USE
- if (availableLocaleList) {
- delete []availableLocaleList;
- availableLocaleList = NULL;
- }
- availableLocaleListCount = 0;
-
if (gLocaleCache) {
delete [] gLocaleCache;
gLocaleCache = NULL;
gDefaultLocale = newFirstDefault; // Assignment to gDefaultLocale must happen inside mutex
newFirstDefault = NULL;
ucln_common_registerCleanup(UCLN_COMMON_LOCALE, locale_cleanup);
- }
- // Else some other thread raced us through here, and set the new Locale.
- // Use the hash table next.
- umtx_unlock(NULL);
- if (newFirstDefault == NULL) {
+
// We were successful in setting the locale, and we were the first one to set it.
+ umtx_unlock(NULL);
return;
}
- // else start using the hash table.
+ // Else some other thread raced us through here, and set the new Locale.
+ else {
+ delete newFirstDefault;
+ }
+ umtx_unlock(NULL);
+ }
+
+ // Create the hash table next, unless the racing thread is setting the same locale as default.
+ // The new locale might have been set while a racing thread was stuck at the lock
+ // earlier in this function. (For example, see uprv_getDefaultLocaleID above).
+ umtx_lock(NULL);
+ // Only create the hash table if we need to.
+ if (uprv_strcmp(gDefaultLocale->getName(), localeNameBuf) == 0) {
+ umtx_unlock(NULL);
+ return;
}
+ umtx_unlock(NULL);
+ // start using the hash table.
+
// Lazy creation of the hash table itself, if needed.
UBool hashTableNeedsInit;
if (gDefaultLocalesHashT == NULL) {
gDefaultLocalesHashT = tHashTable;
ucln_common_registerCleanup(UCLN_COMMON_LOCALE, locale_cleanup);
+
+ uhash_put(gDefaultLocalesHashT, (void *)gDefaultLocale->getName(), gDefaultLocale, &status);
} else {
uhash_close(tHashTable);
- hashTableNeedsInit = FALSE;
}
umtx_unlock(NULL);
}
umtx_lock(NULL);
Locale *hashTableVal = (Locale *)uhash_get(gDefaultLocalesHashT, key);
if (hashTableVal == NULL) {
- if (hashTableNeedsInit) {
- // This is the second request to set the locale.
- // Cache the first one.
- uhash_put(gDefaultLocalesHashT, (void *)gDefaultLocale->getName(), gDefaultLocale, &status);
- }
uhash_put(gDefaultLocalesHashT, (void *)key, newDefault, &status);
gDefaultLocale = newDefault;
// ignore errors from hash table insert. (Couldn't do anything anyway)
}
else
{
- char togo_stack[ULOC_FULLNAME_CAPACITY];
- char *togo;
- char *togo_heap = NULL;
+ MaybeStackArray<char, ULOC_FULLNAME_CAPACITY> togo;
int32_t size = 0;
int32_t lsize = 0;
int32_t csize = 0;
/*if the whole string is longer than our internal limit, we need
to go to the heap for temporary buffers*/
- if (size >= ULOC_FULLNAME_CAPACITY)
+ if (size >= togo.getCapacity())
{
- togo_heap = (char *)uprv_malloc(sizeof(char)*(size+1));
// If togo_heap could not be created, initialize with default settings.
- if (togo_heap == NULL) {
+ if (togo.resize(size+1) == NULL) {
init(NULL, FALSE);
}
- togo = togo_heap;
- }
- else
- {
- togo = togo_stack;
}
togo[0] = 0;
// Now, copy it back.
- p = togo;
+ p = togo.getAlias();
if ( lsize != 0 )
{
uprv_strcpy(p, newLanguage);
// Parse it, because for example 'language' might really be a complete
// string.
- init(togo, FALSE);
-
- if (togo_heap) {
- uprv_free(togo_heap);
- }
+ init(togo.getAlias(), FALSE);
}
}
uprv_strcpy(script, other.script);
uprv_strcpy(country, other.country);
- /* The variantBegin is an offset into fullName, just copy it */
+ /* The variantBegin is an offset, just copy it */
variantBegin = other.variantBegin;
fIsBogus = other.fIsBogus;
return *this;
return (uprv_strcmp(other.fullName, fullName) == 0);
}
+#define ISASCIIALPHA(c) (((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z'))
+
/*This function initializes a Locale from a C locale ID*/
Locale& Locale::init(const char* localeID, UBool canonicalize)
{
fieldLen[fieldIdx-1] = length - (int32_t)(field[fieldIdx-1] - fullName);
}
- if (fieldLen[0] >= (int32_t)(sizeof(language))
- || (fieldLen[1] == 4 && fieldLen[2] >= (int32_t)(sizeof(country)))
- || (fieldLen[1] != 4 && fieldLen[1] >= (int32_t)(sizeof(country))))
+ if (fieldLen[0] >= (int32_t)(sizeof(language)))
{
- break; // error: one of the fields is too long
+ break; // error: the language field is too long
}
- variantField = 2; /* Usually the 2nd one, except when a script is used. */
+ variantField = 1; /* Usually the 2nd one, except when a script or country is also used. */
if (fieldLen[0] > 0) {
/* We have a language */
uprv_memcpy(language, fullName, fieldLen[0]);
language[fieldLen[0]] = 0;
}
- if (fieldLen[1] == 4) {
+ if (fieldLen[1] == 4 && ISASCIIALPHA(field[1][0]) &&
+ ISASCIIALPHA(field[1][1]) && ISASCIIALPHA(field[1][2]) &&
+ ISASCIIALPHA(field[1][3])) {
/* We have at least a script */
uprv_memcpy(script, field[1], fieldLen[1]);
script[fieldLen[1]] = 0;
- variantField = 3;
- if (fieldLen[2] > 0) {
- /* We have a country */
- uprv_memcpy(country, field[2], fieldLen[2]);
- country[fieldLen[2]] = 0;
- }
+ variantField++;
}
- else if (fieldLen[1] > 0) {
- /* We have a country and no script */
- uprv_memcpy(country, field[1], fieldLen[1]);
- country[fieldLen[1]] = 0;
+
+ if (fieldLen[variantField] == 2 || fieldLen[variantField] == 3) {
+ /* We have a country */
+ uprv_memcpy(country, field[variantField], fieldLen[variantField]);
+ country[fieldLen[variantField]] = 0;
+ variantField++;
+ } else if (fieldLen[variantField] == 0) {
+ variantField++; /* script or country empty but variant in next field (i.e. en__POSIX) */
}
- if (variantField > 0 && fieldLen[variantField] > 0) {
+
+ if (fieldLen[variantField] > 0) {
/* We have a variant */
variantBegin = (int32_t)(field[variantField] - fullName);
}
int32_t
Locale::hashCode() const
{
- UHashTok hashKey;
- hashKey.pointer = fullName;
- return uhash_hashChars(hashKey);
+ return ustr_hashCharsN(fullName, uprv_strlen(fullName));
}
void
uprv_free(fullName);
fullName = fullNameBuffer;
}
+ if(baseName && baseName != baseNameBuffer) {
+ uprv_free(baseName);
+ baseName = NULL;
+ }
*fullNameBuffer = 0;
*language = 0;
*script = 0;
return uloc_getLCID(fullName);
}
-UnicodeString&
-Locale::getDisplayLanguage(UnicodeString& dispLang) const
-{
- return this->getDisplayLanguage(getDefault(), dispLang);
-}
-
-/*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
-* buffer size. For all the following getDisplay functions we first attempt
-* to fill up a stack allocated buffer. If it is to small we heap allocated
-* the exact buffer we need copy it to the UnicodeString and delete it*/
-
-UnicodeString&
-Locale::getDisplayLanguage(const Locale &displayLocale,
- UnicodeString &result) const {
- UChar *buffer;
- UErrorCode errorCode=U_ZERO_ERROR;
- int32_t length;
-
- buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
- if(buffer==0) {
- result.truncate(0);
- return result;
- }
-
- length=uloc_getDisplayLanguage(fullName, displayLocale.fullName,
- buffer, result.getCapacity(),
- &errorCode);
- result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
-
- if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
- buffer=result.getBuffer(length);
- if(buffer==0) {
- result.truncate(0);
- return result;
- }
- errorCode=U_ZERO_ERROR;
- length=uloc_getDisplayLanguage(fullName, displayLocale.fullName,
- buffer, result.getCapacity(),
- &errorCode);
- result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
- }
-
- return result;
-}
-
-UnicodeString&
-Locale::getDisplayScript(UnicodeString& dispScript) const
-{
- return this->getDisplayScript(getDefault(), dispScript);
-}
-
-UnicodeString&
-Locale::getDisplayScript(const Locale &displayLocale,
- UnicodeString &result) const {
- UChar *buffer;
- UErrorCode errorCode=U_ZERO_ERROR;
- int32_t length;
-
- buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
- if(buffer==0) {
- result.truncate(0);
- return result;
- }
-
- length=uloc_getDisplayScript(fullName, displayLocale.fullName,
- buffer, result.getCapacity(),
- &errorCode);
- result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
-
- if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
- buffer=result.getBuffer(length);
- if(buffer==0) {
- result.truncate(0);
- return result;
- }
- errorCode=U_ZERO_ERROR;
- length=uloc_getDisplayScript(fullName, displayLocale.fullName,
- buffer, result.getCapacity(),
- &errorCode);
- result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
- }
-
- return result;
-}
-
-UnicodeString&
-Locale::getDisplayCountry(UnicodeString& dispCntry) const
-{
- return this->getDisplayCountry(getDefault(), dispCntry);
-}
-
-UnicodeString&
-Locale::getDisplayCountry(const Locale &displayLocale,
- UnicodeString &result) const {
- UChar *buffer;
- UErrorCode errorCode=U_ZERO_ERROR;
- int32_t length;
-
- buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
- if(buffer==0) {
- result.truncate(0);
- return result;
- }
-
- length=uloc_getDisplayCountry(fullName, displayLocale.fullName,
- buffer, result.getCapacity(),
- &errorCode);
- result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
-
- if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
- buffer=result.getBuffer(length);
- if(buffer==0) {
- result.truncate(0);
- return result;
- }
- errorCode=U_ZERO_ERROR;
- length=uloc_getDisplayCountry(fullName, displayLocale.fullName,
- buffer, result.getCapacity(),
- &errorCode);
- result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
- }
-
- return result;
-}
-
-UnicodeString&
-Locale::getDisplayVariant(UnicodeString& dispVar) const
-{
- return this->getDisplayVariant(getDefault(), dispVar);
-}
-
-UnicodeString&
-Locale::getDisplayVariant(const Locale &displayLocale,
- UnicodeString &result) const {
- UChar *buffer;
- UErrorCode errorCode=U_ZERO_ERROR;
- int32_t length;
-
- buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
- if(buffer==0) {
- result.truncate(0);
- return result;
- }
-
- length=uloc_getDisplayVariant(fullName, displayLocale.fullName,
- buffer, result.getCapacity(),
- &errorCode);
- result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
-
- if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
- buffer=result.getBuffer(length);
- if(buffer==0) {
- result.truncate(0);
- return result;
- }
- errorCode=U_ZERO_ERROR;
- length=uloc_getDisplayVariant(fullName, displayLocale.fullName,
- buffer, result.getCapacity(),
- &errorCode);
- result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
- }
-
- return result;
-}
-
-UnicodeString&
-Locale::getDisplayName( UnicodeString& name ) const
-{
- return this->getDisplayName(getDefault(), name);
-}
-
-UnicodeString&
-Locale::getDisplayName(const Locale &displayLocale,
- UnicodeString &result) const {
- UChar *buffer;
- UErrorCode errorCode=U_ZERO_ERROR;
- int32_t length;
-
- buffer=result.getBuffer(ULOC_FULLNAME_CAPACITY);
- if(buffer==0) {
- result.truncate(0);
- return result;
- }
-
- length=uloc_getDisplayName(fullName, displayLocale.fullName,
- buffer, result.getCapacity(),
- &errorCode);
- result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
-
- if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
- buffer=result.getBuffer(length);
- if(buffer==0) {
- result.truncate(0);
- return result;
- }
- errorCode=U_ZERO_ERROR;
- length=uloc_getDisplayName(fullName, displayLocale.fullName,
- buffer, result.getCapacity(),
- &errorCode);
- result.releaseBuffer(U_SUCCESS(errorCode) ? length : 0);
- }
-
- return result;
-}
-const Locale* U_EXPORT2
-Locale::getAvailableLocales(int32_t& count)
-{
- // for now, there is a hardcoded list, so just walk through that list and set it up.
- UBool needInit;
- UMTX_CHECK(NULL, availableLocaleList == NULL, needInit);
-
- if (needInit) {
- int32_t locCount = uloc_countAvailable();
- Locale *newLocaleList = 0;
- if(locCount) {
- newLocaleList = new Locale[locCount];
- }
- if (newLocaleList == NULL) {
- count = 0;
- return NULL;
- }
-
- count = locCount;
-
- while(--locCount >= 0) {
- newLocaleList[locCount].setFromPOSIXID(uloc_getAvailable(locCount));
- }
-
- umtx_lock(NULL);
- if(availableLocaleList == 0) {
- availableLocaleListCount = count;
- availableLocaleList = newLocaleList;
- newLocaleList = NULL;
- ucln_common_registerCleanup(UCLN_COMMON_LOCALE, locale_cleanup);
- }
- umtx_unlock(NULL);
- delete []newLocaleList;
- }
- count = availableLocaleListCount;
- return availableLocaleList;
-}
-
const char* const* U_EXPORT2 Locale::getISOCountries()
{
return uloc_getISOCountries();
init(posixID, TRUE);
}
+const Locale & U_EXPORT2
+Locale::getRoot(void)
+{
+ return getLocale(eROOT);
+}
+
const Locale & U_EXPORT2
Locale::getEnglish(void)
{
if (tLocaleCache == NULL) {
return NULL;
}
+ tLocaleCache[eROOT] = Locale("");
tLocaleCache[eENGLISH] = Locale("en");
tLocaleCache[eFRENCH] = Locale("fr");
tLocaleCache[eGERMAN] = Locale("de");
}
}
- virtual ~KeywordEnumeration() {
- uprv_free(keywords);
- }
+ virtual ~KeywordEnumeration();
virtual StringEnumeration * clone() const
{
const char KeywordEnumeration::fgClassID = '\0';
+KeywordEnumeration::~KeywordEnumeration() {
+ uprv_free(keywords);
+}
+
StringEnumeration *
Locale::createKeywords(UErrorCode &status) const
{
return uloc_getKeywordValue(fullName, keywordName, buffer, bufLen, &status);
}
+void
+Locale::setKeywordValue(const char* keywordName, const char* keywordValue, UErrorCode &status)
+{
+ uloc_setKeywordValue(keywordName, keywordValue, fullName, ULOC_FULLNAME_CAPACITY, &status);
+}
+
const char *
Locale::getBaseName() const
{
uloc_getBaseName(fullName, baseName, baseNameSize+1, &status);
}
baseName[baseNameSize] = 0;
+
+ // the computation of variantBegin leaves it equal to the length
+ // of fullName if there is no variant. It should instead be
+ // the length of the baseName. Patch around this for now.
+ if (variantBegin == (int32_t)uprv_strlen(fullName)) {
+ ((Locale*)this)->variantBegin = baseNameSize;
+ }
}
return baseName;
}
-
//eof
U_NAMESPACE_END
projects / apple / icu.git / blobdiff