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Diffstat (limited to 'deps/icu-small/source/i18n/region.cpp')
| -rw-r--r-- | deps/icu-small/source/i18n/region.cpp | 747 |
1 files changed, 747 insertions, 0 deletions
diff --git a/deps/icu-small/source/i18n/region.cpp b/deps/icu-small/source/i18n/region.cpp new file mode 100644 index 0000000000..551960bfe8 --- /dev/null +++ b/deps/icu-small/source/i18n/region.cpp @@ -0,0 +1,747 @@ +/* +******************************************************************************* +* Copyright (C) 2014-2015, International Business Machines Corporation and +* others. All Rights Reserved. +******************************************************************************* +* +* +* File REGION.CPP +* +* Modification History:* +* Date Name Description +* 01/15/13 Emmons Original Port from ICU4J +******************************************************************************** +*/ + +/** + * \file + * \brief C++ API: Region classes (territory containment) + */ + +#include "unicode/region.h" +#include "unicode/utypes.h" +#include "unicode/uobject.h" +#include "unicode/unistr.h" +#include "unicode/ures.h" +#include "unicode/decimfmt.h" +#include "ucln_in.h" +#include "cstring.h" +#include "mutex.h" +#include "uhash.h" +#include "umutex.h" +#include "uresimp.h" +#include "region_impl.h" + +#if !UCONFIG_NO_FORMATTING + + +U_CDECL_BEGIN + +static void U_CALLCONV +deleteRegion(void *obj) { + delete (icu::Region *)obj; +} + +/** + * Cleanup callback func + */ +static UBool U_CALLCONV region_cleanup(void) +{ + icu::Region::cleanupRegionData(); + + return TRUE; +} + +U_CDECL_END + +U_NAMESPACE_BEGIN + +static UInitOnce gRegionDataInitOnce = U_INITONCE_INITIALIZER; +static UVector* availableRegions[URGN_LIMIT]; + +static UHashtable *regionAliases = NULL; +static UHashtable *regionIDMap = NULL; +static UHashtable *numericCodeMap = NULL; +static UVector *allRegions = NULL; + +static const UChar UNKNOWN_REGION_ID [] = { 0x5A, 0x5A, 0 }; /* "ZZ" */ +static const UChar OUTLYING_OCEANIA_REGION_ID [] = { 0x51, 0x4F, 0 }; /* "QO" */ +static const UChar WORLD_ID [] = { 0x30, 0x30, 0x31, 0 }; /* "001" */ +static const UChar RANGE_MARKER [] = { 0x7e, 0 }; /* "~" */ +static const UnicodeString RANGE_MARKER_STRING(RANGE_MARKER); + +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(RegionNameEnumeration) + +/* + * Initializes the region data from the ICU resource bundles. The region data + * contains the basic relationships such as which regions are known, what the numeric + * codes are, any known aliases, and the territory containment data. + * + * If the region data has already loaded, then this method simply returns without doing + * anything meaningful. + */ +void Region::loadRegionData(UErrorCode &status) { + + // Construct service objs first + LocalUHashtablePointer newRegionIDMap(uhash_open(uhash_hashUnicodeString, uhash_compareUnicodeString, NULL, &status)); + LocalUHashtablePointer newNumericCodeMap(uhash_open(uhash_hashLong,uhash_compareLong,NULL,&status)); + LocalUHashtablePointer newRegionAliases(uhash_open(uhash_hashUnicodeString,uhash_compareUnicodeString,NULL,&status)); + LocalPointer<DecimalFormat> df(new DecimalFormat(status), status); + + LocalPointer<UVector> continents(new UVector(uprv_deleteUObject, uhash_compareUnicodeString, status), status); + LocalPointer<UVector> groupings(new UVector(uprv_deleteUObject, uhash_compareUnicodeString, status), status); + allRegions = new UVector(uprv_deleteUObject, uhash_compareUnicodeString, status); + + LocalUResourceBundlePointer metadata(ures_openDirect(NULL,"metadata",&status)); + LocalUResourceBundlePointer metadataAlias(ures_getByKey(metadata.getAlias(),"alias",NULL,&status)); + LocalUResourceBundlePointer territoryAlias(ures_getByKey(metadataAlias.getAlias(),"territory",NULL,&status)); + + LocalUResourceBundlePointer supplementalData(ures_openDirect(NULL,"supplementalData",&status)); + LocalUResourceBundlePointer codeMappings(ures_getByKey(supplementalData.getAlias(),"codeMappings",NULL,&status)); + + LocalUResourceBundlePointer idValidity(ures_getByKey(supplementalData.getAlias(),"idValidity",NULL,&status)); + LocalUResourceBundlePointer regionList(ures_getByKey(idValidity.getAlias(),"region",NULL,&status)); + LocalUResourceBundlePointer regionRegular(ures_getByKey(regionList.getAlias(),"regular",NULL,&status)); + LocalUResourceBundlePointer regionMacro(ures_getByKey(regionList.getAlias(),"macroregion",NULL,&status)); + LocalUResourceBundlePointer regionUnknown(ures_getByKey(regionList.getAlias(),"unknown",NULL,&status)); + + LocalUResourceBundlePointer territoryContainment(ures_getByKey(supplementalData.getAlias(),"territoryContainment",NULL,&status)); + LocalUResourceBundlePointer worldContainment(ures_getByKey(territoryContainment.getAlias(),"001",NULL,&status)); + LocalUResourceBundlePointer groupingContainment(ures_getByKey(territoryContainment.getAlias(),"grouping",NULL,&status)); + + if (U_FAILURE(status)) { + return; + } + + // now, initialize + df->setParseIntegerOnly(TRUE); + uhash_setValueDeleter(newRegionIDMap.getAlias(), deleteRegion); // regionIDMap owns objs + uhash_setKeyDeleter(newRegionAliases.getAlias(), uprv_deleteUObject); // regionAliases owns the string keys + + + while ( ures_hasNext(regionRegular.getAlias()) ) { + UnicodeString regionName = ures_getNextUnicodeString(regionRegular.getAlias(),NULL,&status); + int32_t rangeMarkerLocation = regionName.indexOf(RANGE_MARKER_STRING); + UChar buf[6]; + regionName.extract(buf,6,status); + if ( rangeMarkerLocation > 0 ) { + UChar endRange = regionName.charAt(rangeMarkerLocation+1); + buf[rangeMarkerLocation] = 0; + while ( buf[rangeMarkerLocation-1] <= endRange ) { + LocalPointer<UnicodeString> newRegion(new UnicodeString(buf), status); + allRegions->addElement(newRegion.orphan(),status); + buf[rangeMarkerLocation-1]++; + } + } else { + LocalPointer<UnicodeString> newRegion(new UnicodeString(regionName), status); + allRegions->addElement(newRegion.orphan(),status); + } + } + + while ( ures_hasNext(regionMacro.getAlias()) ) { + UnicodeString regionName = ures_getNextUnicodeString(regionMacro.getAlias(),NULL,&status); + int32_t rangeMarkerLocation = regionName.indexOf(RANGE_MARKER_STRING); + UChar buf[6]; + regionName.extract(buf,6,status); + if ( rangeMarkerLocation > 0 ) { + UChar endRange = regionName.charAt(rangeMarkerLocation+1); + buf[rangeMarkerLocation] = 0; + while ( buf[rangeMarkerLocation-1] <= endRange ) { + LocalPointer<UnicodeString> newRegion(new UnicodeString(buf), status); + allRegions->addElement(newRegion.orphan(),status); + buf[rangeMarkerLocation-1]++; + } + } else { + LocalPointer<UnicodeString> newRegion(new UnicodeString(regionName), status); + allRegions->addElement(newRegion.orphan(),status); + } + } + + while ( ures_hasNext(regionUnknown.getAlias()) ) { + LocalPointer<UnicodeString> regionName (new UnicodeString(ures_getNextUnicodeString(regionUnknown.getAlias(),NULL,&status),status)); + allRegions->addElement(regionName.orphan(),status); + } + + while ( ures_hasNext(worldContainment.getAlias()) ) { + UnicodeString *continentName = new UnicodeString(ures_getNextUnicodeString(worldContainment.getAlias(),NULL,&status)); + continents->addElement(continentName,status); + } + + while ( ures_hasNext(groupingContainment.getAlias()) ) { + UnicodeString *groupingName = new UnicodeString(ures_getNextUnicodeString(groupingContainment.getAlias(),NULL,&status)); + groupings->addElement(groupingName,status); + } + + for ( int32_t i = 0 ; i < allRegions->size() ; i++ ) { + LocalPointer<Region> r(new Region(), status); + if ( U_FAILURE(status) ) { + return; + } + UnicodeString *regionName = (UnicodeString *)allRegions->elementAt(i); + r->idStr = *regionName; + + r->idStr.extract(0,r->idStr.length(),r->id,sizeof(r->id),US_INV); + r->type = URGN_TERRITORY; // Only temporary - figure out the real type later once the aliases are known. + + Formattable result; + UErrorCode ps = U_ZERO_ERROR; + df->parse(r->idStr,result,ps); + if ( U_SUCCESS(ps) ) { + r->code = result.getLong(); // Convert string to number + uhash_iput(newNumericCodeMap.getAlias(),r->code,(void *)(r.getAlias()),&status); + r->type = URGN_SUBCONTINENT; + } else { + r->code = -1; + } + void* idStrAlias = (void*)&(r->idStr); // about to orphan 'r'. Save this off. + uhash_put(newRegionIDMap.getAlias(),idStrAlias,(void *)(r.orphan()),&status); // regionIDMap takes ownership + } + + // Process the territory aliases + while ( ures_hasNext(territoryAlias.getAlias()) ) { + LocalUResourceBundlePointer res(ures_getNextResource(territoryAlias.getAlias(),NULL,&status)); + const char *aliasFrom = ures_getKey(res.getAlias()); + LocalPointer<UnicodeString> aliasFromStr(new UnicodeString(aliasFrom, -1, US_INV), status); + UnicodeString aliasTo = ures_getUnicodeStringByKey(res.getAlias(),"replacement",&status); + res.adoptInstead(NULL); + + const Region *aliasToRegion = (Region *) uhash_get(newRegionIDMap.getAlias(),&aliasTo); + Region *aliasFromRegion = (Region *)uhash_get(newRegionIDMap.getAlias(),aliasFromStr.getAlias()); + + if ( aliasToRegion != NULL && aliasFromRegion == NULL ) { // This is just an alias from some string to a region + uhash_put(newRegionAliases.getAlias(),(void *)aliasFromStr.orphan(), (void *)aliasToRegion,&status); + } else { + if ( aliasFromRegion == NULL ) { // Deprecated region code not in the master codes list - so need to create a deprecated region for it. + LocalPointer<Region> newRgn(new Region, status); + if ( U_SUCCESS(status) ) { + aliasFromRegion = newRgn.orphan(); + } else { + return; // error out + } + aliasFromRegion->idStr.setTo(*aliasFromStr); + aliasFromRegion->idStr.extract(0,aliasFromRegion->idStr.length(),aliasFromRegion->id,sizeof(aliasFromRegion->id),US_INV); + uhash_put(newRegionIDMap.getAlias(),(void *)&(aliasFromRegion->idStr),(void *)aliasFromRegion,&status); + Formattable result; + UErrorCode ps = U_ZERO_ERROR; + df->parse(aliasFromRegion->idStr,result,ps); + if ( U_SUCCESS(ps) ) { + aliasFromRegion->code = result.getLong(); // Convert string to number + uhash_iput(newNumericCodeMap.getAlias(),aliasFromRegion->code,(void *)aliasFromRegion,&status); + } else { + aliasFromRegion->code = -1; + } + aliasFromRegion->type = URGN_DEPRECATED; + } else { + aliasFromRegion->type = URGN_DEPRECATED; + } + + { + LocalPointer<UVector> newPreferredValues(new UVector(uprv_deleteUObject, uhash_compareUnicodeString, status), status); + aliasFromRegion->preferredValues = newPreferredValues.orphan(); + } + if( U_FAILURE(status)) { + return; + } + UnicodeString currentRegion; + //currentRegion.remove(); TODO: was already 0 length? + for (int32_t i = 0 ; i < aliasTo.length() ; i++ ) { + if ( aliasTo.charAt(i) != 0x0020 ) { + currentRegion.append(aliasTo.charAt(i)); + } + if ( aliasTo.charAt(i) == 0x0020 || i+1 == aliasTo.length() ) { + Region *target = (Region *)uhash_get(newRegionIDMap.getAlias(),(void *)¤tRegion); + if (target) { + LocalPointer<UnicodeString> preferredValue(new UnicodeString(target->idStr), status); + aliasFromRegion->preferredValues->addElement((void *)preferredValue.orphan(),status); // may add null if err + } + currentRegion.remove(); + } + } + } + } + + // Process the code mappings - This will allow us to assign numeric codes to most of the territories. + while ( ures_hasNext(codeMappings.getAlias()) ) { + UResourceBundle *mapping = ures_getNextResource(codeMappings.getAlias(),NULL,&status); + if ( ures_getType(mapping) == URES_ARRAY && ures_getSize(mapping) == 3) { + UnicodeString codeMappingID = ures_getUnicodeStringByIndex(mapping,0,&status); + UnicodeString codeMappingNumber = ures_getUnicodeStringByIndex(mapping,1,&status); + UnicodeString codeMapping3Letter = ures_getUnicodeStringByIndex(mapping,2,&status); + + Region *r = (Region *)uhash_get(newRegionIDMap.getAlias(),(void *)&codeMappingID); + if ( r ) { + Formattable result; + UErrorCode ps = U_ZERO_ERROR; + df->parse(codeMappingNumber,result,ps); + if ( U_SUCCESS(ps) ) { + r->code = result.getLong(); // Convert string to number + uhash_iput(newNumericCodeMap.getAlias(),r->code,(void *)r,&status); + } + LocalPointer<UnicodeString> code3(new UnicodeString(codeMapping3Letter), status); + uhash_put(newRegionAliases.getAlias(),(void *)code3.orphan(), (void *)r,&status); + } + } + ures_close(mapping); + } + + // Now fill in the special cases for WORLD, UNKNOWN, CONTINENTS, and GROUPINGS + Region *r; + UnicodeString WORLD_ID_STRING(WORLD_ID); + r = (Region *) uhash_get(newRegionIDMap.getAlias(),(void *)&WORLD_ID_STRING); + if ( r ) { + r->type = URGN_WORLD; + } + + UnicodeString UNKNOWN_REGION_ID_STRING(UNKNOWN_REGION_ID); + r = (Region *) uhash_get(newRegionIDMap.getAlias(),(void *)&UNKNOWN_REGION_ID_STRING); + if ( r ) { + r->type = URGN_UNKNOWN; + } + + for ( int32_t i = 0 ; i < continents->size() ; i++ ) { + r = (Region *) uhash_get(newRegionIDMap.getAlias(),(void *)continents->elementAt(i)); + if ( r ) { + r->type = URGN_CONTINENT; + } + } + + for ( int32_t i = 0 ; i < groupings->size() ; i++ ) { + r = (Region *) uhash_get(newRegionIDMap.getAlias(),(void *)groupings->elementAt(i)); + if ( r ) { + r->type = URGN_GROUPING; + } + } + + // Special case: The region code "QO" (Outlying Oceania) is a subcontinent code added by CLDR + // even though it looks like a territory code. Need to handle it here. + + UnicodeString OUTLYING_OCEANIA_REGION_ID_STRING(OUTLYING_OCEANIA_REGION_ID); + r = (Region *) uhash_get(newRegionIDMap.getAlias(),(void *)&OUTLYING_OCEANIA_REGION_ID_STRING); + if ( r ) { + r->type = URGN_SUBCONTINENT; + } + + // Load territory containment info from the supplemental data. + while ( ures_hasNext(territoryContainment.getAlias()) ) { + LocalUResourceBundlePointer mapping(ures_getNextResource(territoryContainment.getAlias(),NULL,&status)); + if( U_FAILURE(status) ) { + return; // error out + } + const char *parent = ures_getKey(mapping.getAlias()); + if (uprv_strcmp(parent, "containedGroupings") == 0 || uprv_strcmp(parent, "deprecated") == 0) { + continue; // handle new pseudo-parent types added in ICU data per cldrbug 7808; for now just skip. + // #11232 is to do something useful with these. + } + UnicodeString parentStr = UnicodeString(parent, -1 , US_INV); + Region *parentRegion = (Region *) uhash_get(newRegionIDMap.getAlias(),(void *)&parentStr); + + for ( int j = 0 ; j < ures_getSize(mapping.getAlias()); j++ ) { + UnicodeString child = ures_getUnicodeStringByIndex(mapping.getAlias(),j,&status); + Region *childRegion = (Region *) uhash_get(newRegionIDMap.getAlias(),(void *)&child); + if ( parentRegion != NULL && childRegion != NULL ) { + + // Add the child region to the set of regions contained by the parent + if (parentRegion->containedRegions == NULL) { + parentRegion->containedRegions = new UVector(uprv_deleteUObject, uhash_compareUnicodeString, status); + } + + LocalPointer<UnicodeString> childStr(new UnicodeString(), status); + if( U_FAILURE(status) ) { + return; // error out + } + childStr->fastCopyFrom(childRegion->idStr); + parentRegion->containedRegions->addElement((void *)childStr.orphan(),status); + + // Set the parent region to be the containing region of the child. + // Regions of type GROUPING can't be set as the parent, since another region + // such as a SUBCONTINENT, CONTINENT, or WORLD must always be the parent. + if ( parentRegion->type != URGN_GROUPING) { + childRegion->containingRegion = parentRegion; + } + } + } + } + + // Create the availableRegions lists + int32_t pos = UHASH_FIRST; + while ( const UHashElement* element = uhash_nextElement(newRegionIDMap.getAlias(),&pos)) { + Region *ar = (Region *)element->value.pointer; + if ( availableRegions[ar->type] == NULL ) { + LocalPointer<UVector> newAr(new UVector(uprv_deleteUObject, uhash_compareUnicodeString, status), status); + availableRegions[ar->type] = newAr.orphan(); + } + LocalPointer<UnicodeString> arString(new UnicodeString(ar->idStr), status); + if( U_FAILURE(status) ) { + return; // error out + } + availableRegions[ar->type]->addElement((void *)arString.orphan(),status); + } + + ucln_i18n_registerCleanup(UCLN_I18N_REGION, region_cleanup); + // copy hashtables + numericCodeMap = newNumericCodeMap.orphan(); + regionIDMap = newRegionIDMap.orphan(); + regionAliases = newRegionAliases.orphan(); +} + +void Region::cleanupRegionData() { + for (int32_t i = 0 ; i < URGN_LIMIT ; i++ ) { + if ( availableRegions[i] ) { + delete availableRegions[i]; + } + } + + if (regionAliases) { + uhash_close(regionAliases); + } + + if (numericCodeMap) { + uhash_close(numericCodeMap); + } + + if (regionIDMap) { + uhash_close(regionIDMap); + } + if (allRegions) { + allRegions->removeAllElements(); // Don't need the temporary list anymore. + delete allRegions; + allRegions = NULL; + } + + regionAliases = numericCodeMap = regionIDMap = NULL; + + gRegionDataInitOnce.reset(); +} + +Region::Region () + : code(-1), + type(URGN_UNKNOWN), + containingRegion(NULL), + containedRegions(NULL), + preferredValues(NULL) { + id[0] = 0; +} + +Region::~Region () { + if (containedRegions) { + delete containedRegions; + } + if (preferredValues) { + delete preferredValues; + } +} + +/** + * Returns true if the two regions are equal. + * Per PMC, just use pointer compare, since we have at most one instance of each Region. + */ +UBool +Region::operator==(const Region &that) const { + return (idStr == that.idStr); +} + +/** + * Returns true if the two regions are NOT equal; that is, if operator ==() returns false. + * Per PMC, just use pointer compare, since we have at most one instance of each Region. + */ +UBool +Region::operator!=(const Region &that) const { + return (idStr != that.idStr); +} + +/** + * Returns a pointer to a Region using the given region code. The region code can be either 2-letter ISO code, + * 3-letter ISO code, UNM.49 numeric code, or other valid Unicode Region Code as defined by the LDML specification. + * The identifier will be canonicalized internally using the supplemental metadata as defined in the CLDR. + * If the region code is NULL or not recognized, the appropriate error code will be set ( U_ILLEGAL_ARGUMENT_ERROR ) + */ +const Region* U_EXPORT2 +Region::getInstance(const char *region_code, UErrorCode &status) { + + umtx_initOnce(gRegionDataInitOnce, &loadRegionData, status); + if (U_FAILURE(status)) { + return NULL; + } + + if ( !region_code ) { + status = U_ILLEGAL_ARGUMENT_ERROR; + return NULL; + } + + UnicodeString regionCodeString = UnicodeString(region_code, -1, US_INV); + Region *r = (Region *)uhash_get(regionIDMap,(void *)®ionCodeString); + + if ( !r ) { + r = (Region *)uhash_get(regionAliases,(void *)®ionCodeString); + } + + if ( !r ) { // Unknown region code + status = U_ILLEGAL_ARGUMENT_ERROR; + return NULL; + } + + if ( r->type == URGN_DEPRECATED && r->preferredValues->size() == 1) { + StringEnumeration *pv = r->getPreferredValues(status); + pv->reset(status); + const UnicodeString *ustr = pv->snext(status); + r = (Region *)uhash_get(regionIDMap,(void *)ustr); + delete pv; + } + + return r; + +} + +/** + * Returns a pointer to a Region using the given numeric region code. If the numeric region code is not recognized, + * the appropriate error code will be set ( U_ILLEGAL_ARGUMENT_ERROR ). + */ +const Region* U_EXPORT2 +Region::getInstance (int32_t code, UErrorCode &status) { + + umtx_initOnce(gRegionDataInitOnce, &loadRegionData, status); + if (U_FAILURE(status)) { + return NULL; + } + + Region *r = (Region *)uhash_iget(numericCodeMap,code); + + if ( !r ) { // Just in case there's an alias that's numeric, try to find it. + UnicodeString pat = UNICODE_STRING_SIMPLE("0"); + LocalPointer<DecimalFormat> df(new DecimalFormat(pat,status), status); + if( U_FAILURE(status) ) { + return NULL; + } + UnicodeString id; + id.remove(); + FieldPosition posIter; + df->format(code,id, posIter, status); + r = (Region *)uhash_get(regionAliases,&id); + } + + if( U_FAILURE(status) ) { + return NULL; + } + + if ( !r ) { + status = U_ILLEGAL_ARGUMENT_ERROR; + return NULL; + } + + if ( r->type == URGN_DEPRECATED && r->preferredValues->size() == 1) { + StringEnumeration *pv = r->getPreferredValues(status); + pv->reset(status); + const UnicodeString *ustr = pv->snext(status); + r = (Region *)uhash_get(regionIDMap,(void *)ustr); + delete pv; + } + + return r; +} + + +/** + * Returns an enumeration over the IDs of all known regions that match the given type. + */ +StringEnumeration* U_EXPORT2 +Region::getAvailable(URegionType type, UErrorCode &status) { + umtx_initOnce(gRegionDataInitOnce, &loadRegionData, status); // returns immediately if U_FAILURE(status) + if (U_FAILURE(status)) { + return NULL; + } + return new RegionNameEnumeration(availableRegions[type],status); +} + +/** + * Returns a pointer to the region that contains this region. Returns NULL if this region is code "001" (World) + * or "ZZ" (Unknown region). For example, calling this method with region "IT" (Italy) returns the + * region "039" (Southern Europe). + */ +const Region* +Region::getContainingRegion() const { + UErrorCode status = U_ZERO_ERROR; + umtx_initOnce(gRegionDataInitOnce, &loadRegionData, status); + return containingRegion; +} + +/** + * Return a pointer to the region that geographically contains this region and matches the given type, + * moving multiple steps up the containment chain if necessary. Returns NULL if no containing region can be found + * that matches the given type. Note: The URegionTypes = "URGN_GROUPING", "URGN_DEPRECATED", or "URGN_UNKNOWN" + * are not appropriate for use in this API. NULL will be returned in this case. For example, calling this method + * with region "IT" (Italy) for type "URGN_CONTINENT" returns the region "150" ( Europe ). + */ +const Region* +Region::getContainingRegion(URegionType type) const { + UErrorCode status = U_ZERO_ERROR; + umtx_initOnce(gRegionDataInitOnce, &loadRegionData, status); + if ( containingRegion == NULL ) { + return NULL; + } + + return ( containingRegion->type == type )? containingRegion: containingRegion->getContainingRegion(type); +} + +/** + * Return an enumeration over the IDs of all the regions that are immediate children of this region in the + * region hierarchy. These returned regions could be either macro regions, territories, or a mixture of the two, + * depending on the containment data as defined in CLDR. This API may return NULL if this region doesn't have + * any sub-regions. For example, calling this method with region "150" (Europe) returns an enumeration containing + * the various sub regions of Europe - "039" (Southern Europe) - "151" (Eastern Europe) - "154" (Northern Europe) + * and "155" (Western Europe). + */ +StringEnumeration* +Region::getContainedRegions(UErrorCode &status) const { + umtx_initOnce(gRegionDataInitOnce, &loadRegionData, status); // returns immediately if U_FAILURE(status) + if (U_FAILURE(status)) { + return NULL; + } + return new RegionNameEnumeration(containedRegions,status); +} + +/** + * Returns an enumeration over the IDs of all the regions that are children of this region anywhere in the region + * hierarchy and match the given type. This API may return an empty enumeration if this region doesn't have any + * sub-regions that match the given type. For example, calling this method with region "150" (Europe) and type + * "URGN_TERRITORY" returns a set containing all the territories in Europe ( "FR" (France) - "IT" (Italy) - "DE" (Germany) etc. ) + */ +StringEnumeration* +Region::getContainedRegions( URegionType type, UErrorCode &status ) const { + umtx_initOnce(gRegionDataInitOnce, &loadRegionData, status); // returns immediately if U_FAILURE(status) + if (U_FAILURE(status)) { + return NULL; + } + + UVector *result = new UVector(NULL, uhash_compareChars, status); + + StringEnumeration *cr = getContainedRegions(status); + + for ( int32_t i = 0 ; i < cr->count(status) ; i++ ) { + const char *id = cr->next(NULL,status); + const Region *r = Region::getInstance(id,status); + if ( r->getType() == type ) { + result->addElement((void *)&r->idStr,status); + } else { + StringEnumeration *children = r->getContainedRegions(type, status); + for ( int32_t j = 0 ; j < children->count(status) ; j++ ) { + const char *id2 = children->next(NULL,status); + const Region *r2 = Region::getInstance(id2,status); + result->addElement((void *)&r2->idStr,status); + } + delete children; + } + } + delete cr; + StringEnumeration* resultEnumeration = new RegionNameEnumeration(result,status); + delete result; + return resultEnumeration; +} + +/** + * Returns true if this region contains the supplied other region anywhere in the region hierarchy. + */ +UBool +Region::contains(const Region &other) const { + UErrorCode status = U_ZERO_ERROR; + umtx_initOnce(gRegionDataInitOnce, &loadRegionData, status); + + if (!containedRegions) { + return FALSE; + } + if (containedRegions->contains((void *)&other.idStr)) { + return TRUE; + } else { + for ( int32_t i = 0 ; i < containedRegions->size() ; i++ ) { + UnicodeString *crStr = (UnicodeString *)containedRegions->elementAt(i); + Region *cr = (Region *) uhash_get(regionIDMap,(void *)crStr); + if ( cr && cr->contains(other) ) { + return TRUE; + } + } + } + + return FALSE; +} + +/** + * For deprecated regions, return an enumeration over the IDs of the regions that are the preferred replacement + * regions for this region. Returns NULL for a non-deprecated region. For example, calling this method with region + * "SU" (Soviet Union) would return a list of the regions containing "RU" (Russia), "AM" (Armenia), "AZ" (Azerbaijan), etc... + */ +StringEnumeration* +Region::getPreferredValues(UErrorCode &status) const { + umtx_initOnce(gRegionDataInitOnce, &loadRegionData, status); // returns immediately if U_FAILURE(status) + if (U_FAILURE(status) || type != URGN_DEPRECATED) { + return NULL; + } + return new RegionNameEnumeration(preferredValues,status); +} + + +/** + * Return this region's canonical region code. + */ +const char* +Region::getRegionCode() const { + return id; +} + +int32_t +Region::getNumericCode() const { + return code; +} + +/** + * Returns the region type of this region. + */ +URegionType +Region::getType() const { + return type; +} + +RegionNameEnumeration::RegionNameEnumeration(UVector *fNameList, UErrorCode& status) { + pos=0; + if (fNameList && U_SUCCESS(status)) { + fRegionNames = new UVector(uprv_deleteUObject, uhash_compareUnicodeString, fNameList->size(),status); + for ( int32_t i = 0 ; i < fNameList->size() ; i++ ) { + UnicodeString* this_region_name = (UnicodeString *)fNameList->elementAt(i); + UnicodeString* new_region_name = new UnicodeString(*this_region_name); + fRegionNames->addElement((void *)new_region_name,status); + } + } + else { + fRegionNames = NULL; + } +} + +const UnicodeString* +RegionNameEnumeration::snext(UErrorCode& status) { + if (U_FAILURE(status) || (fRegionNames==NULL)) { + return NULL; + } + const UnicodeString* nextStr = (const UnicodeString *)fRegionNames->elementAt(pos); + if (nextStr!=NULL) { + pos++; + } + return nextStr; +} + +void +RegionNameEnumeration::reset(UErrorCode& /*status*/) { + pos=0; +} + +int32_t +RegionNameEnumeration::count(UErrorCode& /*status*/) const { + return (fRegionNames==NULL) ? 0 : fRegionNames->size(); +} + +RegionNameEnumeration::~RegionNameEnumeration() { + delete fRegionNames; +} + +U_NAMESPACE_END + +#endif /* #if !UCONFIG_NO_FORMATTING */ + +//eof |