79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 2007-2008, International Business Machines Corporation and *
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* others. All Rights Reserved. *
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*******************************************************************************
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*/
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#ifndef ZONEMETA_H
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#define ZONEMETA_H
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/unistr.h"
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#include "hash.h"
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U_NAMESPACE_BEGIN
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typedef struct CanonicalMapEntry {
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UChar *id;
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const UChar *country; // const because it's a reference to a resource bundle string.
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} CanonicalMapEntry;
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typedef struct OlsonToMetaMappingEntry {
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const UChar *mzid; // const because it's a reference to a resource bundle string.
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UDate from;
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UDate to;
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} OlsonToMetaMappingEntry;
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typedef struct MetaToOlsonMappingEntry {
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const UChar *id; // const because it's a reference to a resource bundle string.
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UChar *territory;
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} MetaToOlsonMappingEntry;
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class UVector;
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class U_I18N_API ZoneMeta {
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public:
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/**
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* Return the canonical id for this tzid, which might be the id itself.
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* If there is no canonical id for it, return the passed-in id.
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*/
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static UnicodeString& U_EXPORT2 getCanonicalID(const UnicodeString &tzid, UnicodeString &canonicalID);
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/**
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* Return the canonical country code for this tzid. If we have none, or if the time zone
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* is not associated with a country, return null.
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*/
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static UnicodeString& U_EXPORT2 getCanonicalCountry(const UnicodeString &tzid, UnicodeString &canonicalCountry);
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/**
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* Return the country code if this is a 'single' time zone that can fallback to just
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* the country, otherwise return empty string. (Note, one must also check the locale data
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* to see that there is a localization for the country in order to implement
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* tr#35 appendix J step 5.)
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*/
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static UnicodeString& U_EXPORT2 getSingleCountry(const UnicodeString &tzid, UnicodeString &country);
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/**
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* Returns a CLDR metazone ID for the given Olson tzid and time.
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*/
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static UnicodeString& U_EXPORT2 getMetazoneID(const UnicodeString &tzid, UDate date, UnicodeString &result);
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/**
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* Returns an Olson ID for the ginve metazone and region
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*/
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static UnicodeString& U_EXPORT2 getZoneIdByMetazone(const UnicodeString &mzid, const UnicodeString ®ion, UnicodeString &result);
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static const UVector* U_EXPORT2 getMetazoneMappings(const UnicodeString &tzid);
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private:
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static const CanonicalMapEntry* U_EXPORT2 getCanonicalInfo(const UnicodeString &tzid);
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ZoneMeta(); // Prevent construction.
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};
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_FORMATTING */
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#endif // ZONEMETA_H
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