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-// © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-*****************************************************************************************
-* Copyright (C) 2014, International Business Machines
-* Corporation and others. All Rights Reserved.
-*****************************************************************************************
-*/
-
-#ifndef UREGION_H
-#define UREGION_H
-
-#include "unicode/utypes.h"
-#include "unicode/uenum.h"
-
-/**
- * \file
- * \brief C API: URegion (territory containment and mapping)
- *
- * URegion objects represent data associated with a particular Unicode Region Code, also known as a
- * Unicode Region Subtag, which is defined based upon the BCP 47 standard. These include:
- * * Two-letter codes defined by ISO 3166-1, with special LDML treatment of certain private-use or
- * reserved codes;
- * * A subset of 3-digit numeric codes defined by UN M.49.
- * URegion objects can also provide mappings to and from additional codes. There are different types
- * of regions that are important to distinguish:
- * <p>
- * Macroregion - A code for a "macro geographical (continental) region, geographical sub-region, or
- * selected economic and other grouping" as defined in UN M.49. These are typically 3-digit codes,
- * but contain some 2-letter codes for LDML extensions, such as "QO" for Outlying Oceania.
- * Macroregions are represented in ICU by one of three region types: WORLD (code 001),
- * CONTINENTS (regions contained directly by WORLD), and SUBCONTINENTS (regions contained directly
- * by a continent ).
- * <p>
- * TERRITORY - A Region that is not a Macroregion. These are typically codes for countries, but also
- * include areas that are not separate countries, such as the code "AQ" for Antarctica or the code
- * "HK" for Hong Kong (SAR China). Overseas dependencies of countries may or may not have separate
- * codes. The codes are typically 2-letter codes aligned with ISO 3166, but BCP47 allows for the use
- * of 3-digit codes in the future.
- * <p>
- * UNKNOWN - The code ZZ is defined by Unicode LDML for use in indicating that region is unknown,
- * or that the value supplied as a region was invalid.
- * <p>
- * DEPRECATED - Region codes that have been defined in the past but are no longer in modern usage,
- * usually due to a country splitting into multiple territories or changing its name.
- * <p>
- * GROUPING - A widely understood grouping of territories that has a well defined membership such
- * that a region code has been assigned for it. Some of these are UN M.49 codes that don't fall into
- * the world/continent/sub-continent hierarchy, while others are just well-known groupings that have
- * their own region code. Region "EU" (European Union) is one such region code that is a grouping.
- * Groupings will never be returned by the uregion_getContainingRegion, since a different type of region
- * (WORLD, CONTINENT, or SUBCONTINENT) will always be the containing region instead.
- *
- * URegion objects are const/immutable, owned and maintained by ICU itself, so there are not functions
- * to open or close them.
- */
-
-/**
- * URegionType is an enumeration defining the different types of regions. Current possible
- * values are URGN_WORLD, URGN_CONTINENT, URGN_SUBCONTINENT, URGN_TERRITORY, URGN_GROUPING,
- * URGN_DEPRECATED, and URGN_UNKNOWN.
- *
- * @stable ICU 51
- */
-typedef enum URegionType {
- /**
- * Type representing the unknown region.
- * @stable ICU 51
- */
- URGN_UNKNOWN,
-
- /**
- * Type representing a territory.
- * @stable ICU 51
- */
- URGN_TERRITORY,
-
- /**
- * Type representing the whole world.
- * @stable ICU 51
- */
- URGN_WORLD,
-
- /**
- * Type representing a continent.
- * @stable ICU 51
- */
- URGN_CONTINENT,
-
- /**
- * Type representing a sub-continent.
- * @stable ICU 51
- */
- URGN_SUBCONTINENT,
-
- /**
- * Type representing a grouping of territories that is not to be used in
- * the normal WORLD/CONTINENT/SUBCONTINENT/TERRITORY containment tree.
- * @stable ICU 51
- */
- URGN_GROUPING,
-
- /**
- * Type representing a region whose code has been deprecated, usually
- * due to a country splitting into multiple territories or changing its name.
- * @stable ICU 51
- */
- URGN_DEPRECATED,
-
-#ifndef U_HIDE_DEPRECATED_API
- /**
- * One more than the highest normal URegionType value.
- * @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
- */
- URGN_LIMIT
-#endif /* U_HIDE_DEPRECATED_API */
-} URegionType;
-
-#if !UCONFIG_NO_FORMATTING
-
-/**
- * Opaque URegion object for use in C programs.
- * @stable ICU 52
- */
-struct URegion;
-typedef struct URegion URegion; /**< @stable ICU 52 */
-
-/**
- * Returns a pointer to a URegion for the specified region code: A 2-letter or 3-letter ISO 3166
- * code, UN M.49 numeric code (superset of ISO 3166 numeric codes), or other valid Unicode Region
- * Code as defined by the LDML specification. The code will be canonicalized internally. If the
- * region code is NULL or not recognized, the appropriate error code will be set
- * (U_ILLEGAL_ARGUMENT_ERROR).
- * @stable ICU 52
- */
-U_STABLE const URegion* U_EXPORT2
-uregion_getRegionFromCode(const char *regionCode, UErrorCode *status);
-
-/**
- * Returns a pointer to a URegion for the specified numeric region code. If the numeric region
- * code is not recognized, the appropriate error code will be set (U_ILLEGAL_ARGUMENT_ERROR).
- * @stable ICU 52
- */
-U_STABLE const URegion* U_EXPORT2
-uregion_getRegionFromNumericCode (int32_t code, UErrorCode *status);
-
-/**
- * Returns an enumeration over the canonical codes of all known regions that match the given type.
- * The enumeration must be closed with with uenum_close().
- * @stable ICU 52
- */
-U_STABLE UEnumeration* U_EXPORT2
-uregion_getAvailable(URegionType type, UErrorCode *status);
-
-/**
- * Returns true if the specified uregion is equal to the specified otherRegion.
- * @stable ICU 52
- */
-U_STABLE UBool U_EXPORT2
-uregion_areEqual(const URegion* uregion, const URegion* otherRegion);
-
-/**
- * Returns a pointer to the URegion that contains the specified uregion. Returns NULL if the
- * specified uregion is code "001" (World) or "ZZ" (Unknown region). For example, calling
- * this method with region "IT" (Italy) returns the URegion for "039" (Southern Europe).
- * @stable ICU 52
- */
-U_STABLE const URegion* U_EXPORT2
-uregion_getContainingRegion(const URegion* uregion);
-
-/**
- * Return a pointer to the URegion that geographically contains this uregion and matches the
- * specified type, moving multiple steps up the containment chain if necessary. Returns NULL if no
- * containing region can be found that matches the specified type. Will return NULL if URegionType
- * is URGN_GROUPING, URGN_DEPRECATED, or URGN_UNKNOWN which are not appropriate for this API.
- * For example, calling this method with uregion "IT" (Italy) for type URGN_CONTINENT returns the
- * URegion "150" (Europe).
- * @stable ICU 52
- */
-U_STABLE const URegion* U_EXPORT2
-uregion_getContainingRegionOfType(const URegion* uregion, URegionType type);
-
-/**
- * Return an enumeration over the canonical codes of all the regions that are immediate children
- * of the specified uregion 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 returns NULL if this uregion doesn't have any sub-regions. For example, calling
- * this function for uregion "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). The enumeration must be closed with with uenum_close().
- * @stable ICU 52
- */
-U_STABLE UEnumeration* U_EXPORT2
-uregion_getContainedRegions(const URegion* uregion, UErrorCode *status);
-
-/**
- * Returns an enumeration over the canonical codes of all the regions that are children of the
- * specified uregion anywhere in the region hierarchy and match the given type. This API may return
- * an empty enumeration if this uregion 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 an
- * enumeration containing all the territories in Europe: "FR" (France), "IT" (Italy), "DE" (Germany),
- * etc. The enumeration must be closed with with uenum_close().
- * @stable ICU 52
- */
-U_STABLE UEnumeration* U_EXPORT2
-uregion_getContainedRegionsOfType(const URegion* uregion, URegionType type, UErrorCode *status);
-
-/**
- * Returns true if the specified uregion contains the specified otherRegion anywhere in the region
- * hierarchy.
- * @stable ICU 52
- */
-U_STABLE UBool U_EXPORT2
-uregion_contains(const URegion* uregion, const URegion* otherRegion);
-
-/**
- * If the specified uregion is deprecated, returns an enumeration over the canonical codes of the
- * regions that are the preferred replacement regions for the specified uregion. If the specified
- * uregion is not deprecated, returns NULL. For example, calling this method with uregion
- * "SU" (Soviet Union) returns a list of the regions containing "RU" (Russia), "AM" (Armenia),
- * "AZ" (Azerbaijan), etc... The enumeration must be closed with with uenum_close().
- * @stable ICU 52
- */
-U_STABLE UEnumeration* U_EXPORT2
-uregion_getPreferredValues(const URegion* uregion, UErrorCode *status);
-
-/**
- * Returns the specified uregion's canonical code.
- * @stable ICU 52
- */
-U_STABLE const char* U_EXPORT2
-uregion_getRegionCode(const URegion* uregion);
-
-/**
- * Returns the specified uregion's numeric code, or a negative value if there is no numeric code
- * for the specified uregion.
- * @stable ICU 52
- */
-U_STABLE int32_t U_EXPORT2
-uregion_getNumericCode(const URegion* uregion);
-
-/**
- * Returns the URegionType of the specified uregion.
- * @stable ICU 52
- */
-U_STABLE URegionType U_EXPORT2
-uregion_getType(const URegion* uregion);
-
-
-#endif /* #if !UCONFIG_NO_FORMATTING */
-
-#endif