1 /* 2 ******************************************************************************* 3 * Copyright (C) 2007-2010, International Business Machines Corporation and * 4 * others. All Rights Reserved. * 5 ******************************************************************************* 6 */ 7 #ifndef ZONEMETA_H 8 #define ZONEMETA_H 9 10 #include "unicode/utypes.h" 11 12 #if !UCONFIG_NO_FORMATTING 13 14 #include "unicode/unistr.h" 15 #include "hash.h" 16 17 U_NAMESPACE_BEGIN 18 19 typedef struct OlsonToMetaMappingEntry { 20 const UChar *mzid; // const because it's a reference to a resource bundle string. 21 UDate from; 22 UDate to; 23 } OlsonToMetaMappingEntry; 24 25 class UVector; 26 27 class U_I18N_API ZoneMeta { 28 public: 29 /** 30 * Return the canonical id for this system tzid, which might be the id itself. 31 * If the given system tzid is not know, U_ILLEGAL_ARGUMENT_ERROR is set in the status. 32 */ 33 static UnicodeString& U_EXPORT2 getCanonicalSystemID(const UnicodeString &tzid, UnicodeString &systemID, UErrorCode& status); 34 35 /** 36 * Return the canonical country code for this tzid. If we have none, or if the time zone 37 * is not associated with a country, return null. 38 */ 39 static UnicodeString& U_EXPORT2 getCanonicalCountry(const UnicodeString &tzid, UnicodeString &canonicalCountry); 40 41 /** 42 * Return the country code if this is a 'single' time zone that can fallback to just 43 * the country, otherwise return empty string. (Note, one must also check the locale data 44 * to see that there is a localization for the country in order to implement 45 * tr#35 appendix J step 5.) 46 */ 47 static UnicodeString& U_EXPORT2 getSingleCountry(const UnicodeString &tzid, UnicodeString &country); 48 49 /** 50 * Returns a CLDR metazone ID for the given Olson tzid and time. 51 */ 52 static UnicodeString& U_EXPORT2 getMetazoneID(const UnicodeString &tzid, UDate date, UnicodeString &result); 53 /** 54 * Returns an Olson ID for the ginve metazone and region 55 */ 56 static UnicodeString& U_EXPORT2 getZoneIdByMetazone(const UnicodeString &mzid, const UnicodeString ®ion, UnicodeString &result); 57 58 static const UVector* U_EXPORT2 getMetazoneMappings(const UnicodeString &tzid); 59 60 private: 61 ZoneMeta(); // Prevent construction. 62 static UVector* createMetazoneMappings(const UnicodeString &tzid); 63 }; 64 65 U_NAMESPACE_END 66 67 #endif /* #if !UCONFIG_NO_FORMATTING */ 68 #endif // ZONEMETA_H 69
