+/*
+*****************************************************************************************
+* Copyright (C) 2014 Apple Inc. All Rights Reserved.
+*****************************************************************************************
+*/
+
+#include "unicode/utypes.h"
+#include "unicode/ualoc.h"
+#include "unicode/uloc.h"
+#include "unicode/ures.h"
+#include "unicode/putil.h"
+#include "cstring.h"
+#include "cmemory.h"
+// the following has replacements for some math.h funcs etc
+#include "putilimp.h"
+
+
+// The numeric values in territoryInfo are in "IntF" format from LDML2ICUConverter.
+// From its docs (adapted): [IntF is] a special integer that represents the number in
+// normalized scientific notation.
+// Resultant integers are in the form -?xxyyyyyy, where xx is the exponent
+// offset by 50 and yyyyyy is the coefficient to 5 decimal places (range 1.0 to 9.99999), e.g.
+// 14660000000000 -> 1.46600E13 -> 63146600
+// 0.0001 -> 1.00000E-4 -> 46100000
+// -123.456 -> -1.23456E-2 -> -48123456
+//
+// Here to avoid an extra division we have the max coefficient as 999999 (instead of
+// 9.99999) and instead offset the exponent by -55.
+//
+static double doubleFromIntF(int32_t intF) {
+ double coefficient = (double)(intF % 1000000);
+ int32_t exponent = (intF / 1000000) - 55;
+ return coefficient * uprv_pow10(exponent);
+}
+
+static int compareLangEntries(const void * entry1, const void * entry2) {
+ double fraction1 = ((const UALanguageEntry *)entry1)->userFraction;
+ double fraction2 = ((const UALanguageEntry *)entry2)->userFraction;
+ // want descending order
+ if (fraction1 > fraction2) return -1;
+ if (fraction1 < fraction2) return 1;
+ // userFractions the same, sort by languageCode
+ return uprv_strcmp(((const UALanguageEntry *)entry1)->languageCode,((const UALanguageEntry *)entry2)->languageCode);
+}
+
+static const UChar ustrLangStatusDefacto[] = {0x64,0x65,0x5F,0x66,0x61,0x63,0x74,0x6F,0x5F,0x6F,0x66,0x66,0x69,0x63,0x69,0x61,0x6C,0}; //"de_facto_official"
+static const UChar ustrLangStatusOfficial[] = {0x6F,0x66,0x66,0x69,0x63,0x69,0x61,0x6C,0}; //"official"
+static const UChar ustrLangStatusRegional[] = {0x6F,0x66,0x66,0x69,0x63,0x69,0x61,0x6C,0x5F,0x72,0x65,0x67,0x69,0x6F,0x6E,0x61,0x6C,0}; //"official_regional"
+
+enum {
+ kLocalLangEntriesMax = 26, // enough for most regions to minimumFraction 0.001 except India
+ kLangEntriesFactor = 3 // if we have to allocate, multiply existing size by this
+};
+
+U_CAPI int32_t U_EXPORT2
+ualoc_getLanguagesForRegion(const char *regionID, double minimumFraction,
+ UALanguageEntry *entries, int32_t entriesCapacity,
+ UErrorCode *err)
+{
+ if (U_FAILURE(*err)) {
+ return 0;
+ }
+ if ( regionID == NULL || minimumFraction < 0.0 || minimumFraction > 1.0 ||
+ ((entries==NULL)? entriesCapacity!=0: entriesCapacity<0) ) {
+ *err = U_ILLEGAL_ARGUMENT_ERROR;
+ return 0;
+ }
+ UResourceBundle *rb = ures_openDirect(NULL, "supplementalData", err);
+ rb = ures_getByKey(rb, "territoryInfo", rb, err);
+ rb = ures_getByKey(rb, regionID, rb, err);
+ if (U_FAILURE(*err)) {
+ ures_close(rb);
+ return 0;
+ }
+
+ int32_t entryCount = 0;
+ UResourceBundle *langBund = NULL;
+ int32_t lbIdx, lbCount = ures_getSize(rb);
+ UALanguageEntry localLangEntries[kLocalLangEntriesMax];
+ UALanguageEntry * langEntries = localLangEntries;
+ int32_t langEntriesMax = kLocalLangEntriesMax;
+
+ for (lbIdx = 0; lbIdx < lbCount; lbIdx++) {
+ langBund = ures_getByIndex(rb, lbIdx, langBund, err);
+ if (U_FAILURE(*err)) {
+ break;
+ }
+ const char * langCode = ures_getKey(langBund);
+ if (uprv_strcmp(langCode,"territoryF") == 0) {
+ continue;
+ }
+ if (strnlen(langCode, UALANGDATA_CODELEN+1) > UALANGDATA_CODELEN) { // no uprv_strnlen
+ continue; // a code we cannot handle
+ }
+
+ UErrorCode localErr = U_ZERO_ERROR;
+ double userFraction = 0.0;
+ UResourceBundle *itemBund = ures_getByKey(langBund, "populationShareF", NULL, &localErr);
+ if (U_SUCCESS(localErr)) {
+ int32_t intF = ures_getInt(itemBund, &localErr);
+ if (U_SUCCESS(localErr)) {
+ userFraction = doubleFromIntF(intF);
+ }
+ ures_close(itemBund);
+ }
+ if (userFraction < minimumFraction) {
+ continue;
+ }
+ if (entries != NULL) {
+ localErr = U_ZERO_ERROR;
+ UALanguageStatus langStatus = UALANGSTATUS_UNSPECIFIED;
+ int32_t ulen;
+ const UChar * ustrLangStatus = ures_getStringByKey(langBund, "officialStatus", &ulen, &localErr);
+ if (U_SUCCESS(localErr)) {
+ int32_t cmp = u_strcmp(ustrLangStatus, ustrLangStatusOfficial);
+ if (cmp == 0) {
+ langStatus = UALANGSTATUS_OFFICIAL;
+ } else if (cmp < 0 && u_strcmp(ustrLangStatus, ustrLangStatusDefacto) == 0) {
+ langStatus = UALANGSTATUS_DEFACTO_OFFICIAL;
+ } else if (u_strcmp(ustrLangStatus, ustrLangStatusRegional) == 0) {
+ langStatus = UALANGSTATUS_REGIONAL_OFFICIAL;
+ }
+ }
+ // Now we have all of the info for our next entry
+ if (entryCount >= langEntriesMax) {
+ int32_t newMax = langEntriesMax * kLangEntriesFactor;
+ if (langEntries == localLangEntries) {
+ // first allocation, copy from local buf
+ langEntries = (UALanguageEntry*)uprv_malloc(newMax*sizeof(UALanguageEntry));
+ if (langEntries == NULL) {
+ *err = U_MEMORY_ALLOCATION_ERROR;
+ break;
+ }
+ uprv_memcpy(langEntries, localLangEntries, entryCount*sizeof(UALanguageEntry));
+ } else {
+ langEntries = (UALanguageEntry*)uprv_realloc(langEntries, newMax*sizeof(UALanguageEntry));
+ if (langEntries == NULL) {
+ *err = U_MEMORY_ALLOCATION_ERROR;
+ break;
+ }
+ }
+ langEntriesMax = newMax;
+ }
+ uprv_strcpy(langEntries[entryCount].languageCode, langCode);
+ langEntries[entryCount].userFraction = userFraction;
+ langEntries[entryCount].status = langStatus;
+ }
+ entryCount++;
+ }
+ ures_close(langBund);
+ ures_close(rb);
+ if (U_FAILURE(*err)) {
+ if (langEntries != localLangEntries) {
+ free(langEntries);
+ }
+ return 0;
+ }
+ if (entries != NULL) {
+ // sort langEntries, copy entries that fit to provided array
+ qsort(langEntries, entryCount, sizeof(UALanguageEntry), compareLangEntries);
+ if (entryCount > entriesCapacity) {
+ entryCount = entriesCapacity;
+ }
+ uprv_memcpy(entries, langEntries, entryCount*sizeof(UALanguageEntry));
+ if (langEntries != localLangEntries) {
+ free(langEntries);
+ }
+ }
+ return entryCount;
+}
+
+
+static const char * forceParent[] = {
+ "zh", "zh_CN",
+ "zh_CN", "root",
+ "zh_Hant", "zh_TW",
+ "zh_TW", "root",
+ NULL
+};
+
+U_CAPI int32_t U_EXPORT2
+ualoc_getAppleParent(const char* localeID,
+ char * parent,
+ int32_t parentCapacity,
+ UErrorCode* err)
+{
+ UResourceBundle *rb;
+ int32_t len;
+ UErrorCode tempStatus;
+ char locbuf[ULOC_FULLNAME_CAPACITY+1];
+
+ if (U_FAILURE(*err)) {
+ return 0;
+ }
+ if ( (parent==NULL)? parentCapacity!=0: parentCapacity<0 ) {
+ *err = U_ILLEGAL_ARGUMENT_ERROR;
+ return 0;
+ }
+ len = uloc_canonicalize(localeID, locbuf, ULOC_FULLNAME_CAPACITY, err);
+ if (U_FAILURE(*err)) {
+ return 0;
+ }
+ if (*err == U_STRING_NOT_TERMINATED_WARNING) {
+ locbuf[ULOC_FULLNAME_CAPACITY] = 0;
+ *err = U_ZERO_ERROR;
+ }
+ if (len >= 2 && uprv_strncmp(locbuf, "zh", 2) == 0) {
+ const char ** forceParentPtr = forceParent;
+ const char * testCurLoc;
+ while ( (testCurLoc = *forceParentPtr++) != NULL ) {
+ int cmp = uprv_strcmp(locbuf, testCurLoc);
+ if (cmp <= 0) {
+ if (cmp == 0) {
+ len = uprv_strlen(*forceParentPtr);
+ if (len < parentCapacity) {
+ uprv_strcpy(parent, *forceParentPtr);
+ } else {
+ *err = U_BUFFER_OVERFLOW_ERROR;
+ }
+ return len;
+ }
+ break;
+ }
+ forceParentPtr++;
+ }
+ }
+ tempStatus = U_ZERO_ERROR;
+ rb = ures_openDirect(NULL, locbuf, &tempStatus);
+ if (U_SUCCESS(tempStatus)) {
+ const char * actualLocale = ures_getLocaleByType(rb, ULOC_ACTUAL_LOCALE, &tempStatus);
+ if (U_SUCCESS(tempStatus) && uprv_strcmp(locbuf, actualLocale) != 0) {
+ // we have followed an alias
+ len = uprv_strlen(actualLocale);
+ if (len < parentCapacity) {
+ uprv_strcpy(parent, actualLocale);
+ } else {
+ *err = U_BUFFER_OVERFLOW_ERROR;
+ }
+ ures_close(rb);
+ return len;
+ }
+ tempStatus = U_ZERO_ERROR;
+ const UChar * parentUName = ures_getStringByKey(rb, "%%Parent", &len, &tempStatus);
+ if (U_SUCCESS(tempStatus) && tempStatus != U_USING_FALLBACK_WARNING) {
+ if (len < parentCapacity) {
+ u_UCharsToChars(parentUName, parent, len + 1);
+ } else {
+ *err = U_BUFFER_OVERFLOW_ERROR;
+ }
+ ures_close(rb);
+ return len;
+ }
+ ures_close(rb);
+ }
+ len = uloc_getParent(locbuf, parent, parentCapacity, err);
+ if (U_SUCCESS(*err) && len == 0) {
+ len = 4;
+ if (len < parentCapacity) {
+ uprv_strcpy(parent, "root");
+ } else {
+ *err = U_BUFFER_OVERFLOW_ERROR;
+ }
+ }
+ return len;
+}
+
projects / apple / icu.git / blobdiff