| // © 2016 and later: Unicode, Inc. and others. |
| // License & terms of use: http://www.unicode.org/copyright.html |
| /* |
| ****************************************************************************** |
| * |
| * Copyright (C) 1996-2015, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| * |
| ****************************************************************************** |
| * |
| * File locid.h |
| * |
| * Created by: Helena Shih |
| * |
| * Modification History: |
| * |
| * Date Name Description |
| * 02/11/97 aliu Changed gLocPath to fgLocPath and added methods to |
| * get and set it. |
| * 04/02/97 aliu Made operator!= inline; fixed return value of getName(). |
| * 04/15/97 aliu Cleanup for AIX/Win32. |
| * 04/24/97 aliu Numerous changes per code review. |
| * 08/18/98 stephen Added tokenizeString(),changed getDisplayName() |
| * 09/08/98 stephen Moved definition of kEmptyString for Mac Port |
| * 11/09/99 weiv Added const char * getName() const; |
| * 04/12/00 srl removing unicodestring api's and cached hash code |
| * 08/10/01 grhoten Change the static Locales to accessor functions |
| ****************************************************************************** |
| */ |
| |
| #ifndef LOCID_H |
| #define LOCID_H |
| |
| #include "unicode/utypes.h" |
| |
| #if U_SHOW_CPLUSPLUS_API |
| |
| #include "unicode/bytestream.h" |
| #include "unicode/localpointer.h" |
| #include "unicode/strenum.h" |
| #include "unicode/stringpiece.h" |
| #include "unicode/uobject.h" |
| #include "unicode/putil.h" |
| #include "unicode/uloc.h" |
| |
| /** |
| * \file |
| * \brief C++ API: Locale ID object. |
| */ |
| |
| U_NAMESPACE_BEGIN |
| |
| // Forward Declarations |
| void U_CALLCONV locale_available_init(); /**< @internal */ |
| |
| class StringEnumeration; |
| class UnicodeString; |
| |
| /** |
| * A <code>Locale</code> object represents a specific geographical, political, |
| * or cultural region. An operation that requires a <code>Locale</code> to perform |
| * its task is called <em>locale-sensitive</em> and uses the <code>Locale</code> |
| * to tailor information for the user. For example, displaying a number |
| * is a locale-sensitive operation--the number should be formatted |
| * according to the customs/conventions of the user's native country, |
| * region, or culture. |
| * |
| * The Locale class is not suitable for subclassing. |
| * |
| * <P> |
| * You can create a <code>Locale</code> object using the constructor in |
| * this class: |
| * \htmlonly<blockquote>\endhtmlonly |
| * <pre> |
| * Locale( const char* language, |
| * const char* country, |
| * const char* variant); |
| * </pre> |
| * \htmlonly</blockquote>\endhtmlonly |
| * The first argument to the constructors is a valid <STRONG>ISO |
| * Language Code.</STRONG> These codes are the lower-case two-letter |
| * codes as defined by ISO-639. |
| * You can find a full list of these codes at: |
| * <BR><a href ="http://www.loc.gov/standards/iso639-2/"> |
| * http://www.loc.gov/standards/iso639-2/</a> |
| * |
| * <P> |
| * The second argument to the constructors is a valid <STRONG>ISO Country |
| * Code.</STRONG> These codes are the upper-case two-letter codes |
| * as defined by ISO-3166. |
| * You can find a full list of these codes at a number of sites, such as: |
| * <BR><a href="http://www.iso.org/iso/en/prods-services/iso3166ma/index.html"> |
| * http://www.iso.org/iso/en/prods-services/iso3166ma/index.html</a> |
| * |
| * <P> |
| * The third constructor requires a third argument--the <STRONG>Variant.</STRONG> |
| * The Variant codes are vendor and browser-specific. |
| * For example, use REVISED for a language's revised script orthography, and POSIX for POSIX. |
| * Where there are two variants, separate them with an underscore, and |
| * put the most important one first. For |
| * example, a Traditional Spanish collation might be referenced, with |
| * "ES", "ES", "Traditional_POSIX". |
| * |
| * <P> |
| * Because a <code>Locale</code> object is just an identifier for a region, |
| * no validity check is performed when you construct a <code>Locale</code>. |
| * If you want to see whether particular resources are available for the |
| * <code>Locale</code> you construct, you must query those resources. For |
| * example, ask the <code>NumberFormat</code> for the locales it supports |
| * using its <code>getAvailableLocales</code> method. |
| * <BR><STRONG>Note:</STRONG> When you ask for a resource for a particular |
| * locale, you get back the best available match, not necessarily |
| * precisely what you asked for. For more information, look at |
| * <code>ResourceBundle</code>. |
| * |
| * <P> |
| * The <code>Locale</code> class provides a number of convenient constants |
| * that you can use to create <code>Locale</code> objects for commonly used |
| * locales. For example, the following refers to a <code>Locale</code> object |
| * for the United States: |
| * \htmlonly<blockquote>\endhtmlonly |
| * <pre> |
| * Locale::getUS() |
| * </pre> |
| * \htmlonly</blockquote>\endhtmlonly |
| * |
| * <P> |
| * Once you've created a <code>Locale</code> you can query it for information about |
| * itself. Use <code>getCountry</code> to get the ISO Country Code and |
| * <code>getLanguage</code> to get the ISO Language Code. You can |
| * use <code>getDisplayCountry</code> to get the |
| * name of the country suitable for displaying to the user. Similarly, |
| * you can use <code>getDisplayLanguage</code> to get the name of |
| * the language suitable for displaying to the user. Interestingly, |
| * the <code>getDisplayXXX</code> methods are themselves locale-sensitive |
| * and have two versions: one that uses the default locale and one |
| * that takes a locale as an argument and displays the name or country in |
| * a language appropriate to that locale. |
| * |
| * <P> |
| * ICU provides a number of classes that perform locale-sensitive |
| * operations. For example, the <code>NumberFormat</code> class formats |
| * numbers, currency, or percentages in a locale-sensitive manner. Classes |
| * such as <code>NumberFormat</code> have a number of convenience methods |
| * for creating a default object of that type. For example, the |
| * <code>NumberFormat</code> class provides these three convenience methods |
| * for creating a default <code>NumberFormat</code> object: |
| * \htmlonly<blockquote>\endhtmlonly |
| * <pre> |
| * UErrorCode success = U_ZERO_ERROR; |
| * Locale myLocale; |
| * NumberFormat *nf; |
| * |
| * nf = NumberFormat::createInstance( success ); delete nf; |
| * nf = NumberFormat::createCurrencyInstance( success ); delete nf; |
| * nf = NumberFormat::createPercentInstance( success ); delete nf; |
| * </pre> |
| * \htmlonly</blockquote>\endhtmlonly |
| * Each of these methods has two variants; one with an explicit locale |
| * and one without; the latter using the default locale. |
| * \htmlonly<blockquote>\endhtmlonly |
| * <pre> |
| * nf = NumberFormat::createInstance( myLocale, success ); delete nf; |
| * nf = NumberFormat::createCurrencyInstance( myLocale, success ); delete nf; |
| * nf = NumberFormat::createPercentInstance( myLocale, success ); delete nf; |
| * </pre> |
| * \htmlonly</blockquote>\endhtmlonly |
| * A <code>Locale</code> is the mechanism for identifying the kind of object |
| * (<code>NumberFormat</code>) that you would like to get. The locale is |
| * <STRONG>just</STRONG> a mechanism for identifying objects, |
| * <STRONG>not</STRONG> a container for the objects themselves. |
| * |
| * <P> |
| * Each class that performs locale-sensitive operations allows you |
| * to get all the available objects of that type. You can sift |
| * through these objects by language, country, or variant, |
| * and use the display names to present a menu to the user. |
| * For example, you can create a menu of all the collation objects |
| * suitable for a given language. Such classes implement these |
| * three class methods: |
| * \htmlonly<blockquote>\endhtmlonly |
| * <pre> |
| * static Locale* getAvailableLocales(int32_t& numLocales) |
| * static UnicodeString& getDisplayName(const Locale& objectLocale, |
| * const Locale& displayLocale, |
| * UnicodeString& displayName) |
| * static UnicodeString& getDisplayName(const Locale& objectLocale, |
| * UnicodeString& displayName) |
| * </pre> |
| * \htmlonly</blockquote>\endhtmlonly |
| * |
| * @stable ICU 2.0 |
| * @see ResourceBundle |
| */ |
| class U_COMMON_API Locale : public UObject { |
| public: |
| /** Useful constant for the Root locale. @stable ICU 4.4 */ |
| static const Locale &U_EXPORT2 getRoot(void); |
| /** Useful constant for this language. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getEnglish(void); |
| /** Useful constant for this language. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getFrench(void); |
| /** Useful constant for this language. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getGerman(void); |
| /** Useful constant for this language. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getItalian(void); |
| /** Useful constant for this language. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getJapanese(void); |
| /** Useful constant for this language. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getKorean(void); |
| /** Useful constant for this language. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getChinese(void); |
| /** Useful constant for this language. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getSimplifiedChinese(void); |
| /** Useful constant for this language. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getTraditionalChinese(void); |
| |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getFrance(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getGermany(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getItaly(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getJapan(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getKorea(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getChina(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getPRC(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getTaiwan(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getUK(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getUS(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getCanada(void); |
| /** Useful constant for this country/region. @stable ICU 2.0 */ |
| static const Locale &U_EXPORT2 getCanadaFrench(void); |
| |
| |
| /** |
| * Construct a default locale object, a Locale for the default locale ID. |
| * |
| * @see getDefault |
| * @see uloc_getDefault |
| * @stable ICU 2.0 |
| */ |
| Locale(); |
| |
| /** |
| * Construct a locale from language, country, variant. |
| * If an error occurs, then the constructed object will be "bogus" |
| * (isBogus() will return true). |
| * |
| * @param language Lowercase two-letter or three-letter ISO-639 code. |
| * This parameter can instead be an ICU style C locale (e.g. "en_US"), |
| * but the other parameters must not be used. |
| * This parameter can be NULL; if so, |
| * the locale is initialized to match the current default locale. |
| * (This is the same as using the default constructor.) |
| * Please note: The Java Locale class does NOT accept the form |
| * 'new Locale("en_US")' but only 'new Locale("en","US")' |
| * |
| * @param country Uppercase two-letter ISO-3166 code. (optional) |
| * @param variant Uppercase vendor and browser specific code. See class |
| * description. (optional) |
| * @param keywordsAndValues A string consisting of keyword/values pairs, such as |
| * "collation=phonebook;currency=euro" |
| * |
| * @see getDefault |
| * @see uloc_getDefault |
| * @stable ICU 2.0 |
| */ |
| Locale( const char * language, |
| const char * country = 0, |
| const char * variant = 0, |
| const char * keywordsAndValues = 0); |
| |
| /** |
| * Initializes a Locale object from another Locale object. |
| * |
| * @param other The Locale object being copied in. |
| * @stable ICU 2.0 |
| */ |
| Locale(const Locale& other); |
| |
| /** |
| * Move constructor; might leave source in bogus state. |
| * This locale will have the same contents that the source locale had. |
| * |
| * @param other The Locale object being moved in. |
| * @stable ICU 63 |
| */ |
| Locale(Locale&& other) U_NOEXCEPT; |
| |
| /** |
| * Destructor |
| * @stable ICU 2.0 |
| */ |
| virtual ~Locale() ; |
| |
| /** |
| * Replaces the entire contents of *this with the specified value. |
| * |
| * @param other The Locale object being copied in. |
| * @return *this |
| * @stable ICU 2.0 |
| */ |
| Locale& operator=(const Locale& other); |
| |
| /** |
| * Move assignment operator; might leave source in bogus state. |
| * This locale will have the same contents that the source locale had. |
| * The behavior is undefined if *this and the source are the same object. |
| * |
| * @param other The Locale object being moved in. |
| * @return *this |
| * @stable ICU 63 |
| */ |
| Locale& operator=(Locale&& other) U_NOEXCEPT; |
| |
| /** |
| * Checks if two locale keys are the same. |
| * |
| * @param other The locale key object to be compared with this. |
| * @return True if the two locale keys are the same, false otherwise. |
| * @stable ICU 2.0 |
| */ |
| UBool operator==(const Locale& other) const; |
| |
| /** |
| * Checks if two locale keys are not the same. |
| * |
| * @param other The locale key object to be compared with this. |
| * @return True if the two locale keys are not the same, false |
| * otherwise. |
| * @stable ICU 2.0 |
| */ |
| inline UBool operator!=(const Locale& other) const; |
| |
| /** |
| * Clone this object. |
| * Clones can be used concurrently in multiple threads. |
| * If an error occurs, then NULL is returned. |
| * The caller must delete the clone. |
| * |
| * @return a clone of this object |
| * |
| * @see getDynamicClassID |
| * @stable ICU 2.8 |
| */ |
| Locale *clone() const; |
| |
| #ifndef U_HIDE_SYSTEM_API |
| /** |
| * Common methods of getting the current default Locale. Used for the |
| * presentation: menus, dialogs, etc. Generally set once when your applet or |
| * application is initialized, then never reset. (If you do reset the |
| * default locale, you probably want to reload your GUI, so that the change |
| * is reflected in your interface.) |
| * |
| * More advanced programs will allow users to use different locales for |
| * different fields, e.g. in a spreadsheet. |
| * |
| * Note that the initial setting will match the host system. |
| * @return a reference to the Locale object for the default locale ID |
| * @system |
| * @stable ICU 2.0 |
| */ |
| static const Locale& U_EXPORT2 getDefault(void); |
| |
| /** |
| * Sets the default. Normally set once at the beginning of a process, |
| * then never reset. |
| * setDefault() only changes ICU's default locale ID, <strong>not</strong> |
| * the default locale ID of the runtime environment. |
| * |
| * @param newLocale Locale to set to. If NULL, set to the value obtained |
| * from the runtime environment. |
| * @param success The error code. |
| * @system |
| * @stable ICU 2.0 |
| */ |
| static void U_EXPORT2 setDefault(const Locale& newLocale, |
| UErrorCode& success); |
| #endif /* U_HIDE_SYSTEM_API */ |
| |
| /** |
| * Returns a Locale for the specified BCP47 language tag string. |
| * If the specified language tag contains any ill-formed subtags, |
| * the first such subtag and all following subtags are ignored. |
| * <p> |
| * This implements the 'Language-Tag' production of BCP 47, and so |
| * supports legacy language tags (marked as “Type: grandfathered” in BCP 47) |
| * (regular and irregular) as well as private use language tags. |
| * |
| * Private use tags are represented as 'x-whatever', |
| * and legacy tags are converted to their canonical replacements where they exist. |
| * |
| * Note that a few legacy tags have no modern replacement; |
| * these will be converted using the fallback described in |
| * the first paragraph, so some information might be lost. |
| * |
| * @param tag the input BCP47 language tag. |
| * @param status error information if creating the Locale failed. |
| * @return the Locale for the specified BCP47 language tag. |
| * @stable ICU 63 |
| */ |
| static Locale U_EXPORT2 forLanguageTag(StringPiece tag, UErrorCode& status); |
| |
| /** |
| * Returns a well-formed language tag for this Locale. |
| * <p> |
| * <b>Note</b>: Any locale fields which do not satisfy the BCP47 syntax |
| * requirement will be silently omitted from the result. |
| * |
| * If this function fails, partial output may have been written to the sink. |
| * |
| * @param sink the output sink receiving the BCP47 language |
| * tag for this Locale. |
| * @param status error information if creating the language tag failed. |
| * @stable ICU 63 |
| */ |
| void toLanguageTag(ByteSink& sink, UErrorCode& status) const; |
| |
| /** |
| * Returns a well-formed language tag for this Locale. |
| * <p> |
| * <b>Note</b>: Any locale fields which do not satisfy the BCP47 syntax |
| * requirement will be silently omitted from the result. |
| * |
| * @param status error information if creating the language tag failed. |
| * @return the BCP47 language tag for this Locale. |
| * @stable ICU 63 |
| */ |
| template<typename StringClass> |
| inline StringClass toLanguageTag(UErrorCode& status) const; |
| |
| /** |
| * Creates a locale which has had minimal canonicalization |
| * as per uloc_getName(). |
| * @param name The name to create from. If name is null, |
| * the default Locale is used. |
| * @return new locale object |
| * @stable ICU 2.0 |
| * @see uloc_getName |
| */ |
| static Locale U_EXPORT2 createFromName(const char *name); |
| |
| /** |
| * Creates a locale from the given string after canonicalizing |
| * the string according to CLDR by calling uloc_canonicalize(). |
| * @param name the locale ID to create from. Must not be NULL. |
| * @return a new locale object corresponding to the given name |
| * @stable ICU 3.0 |
| * @see uloc_canonicalize |
| */ |
| static Locale U_EXPORT2 createCanonical(const char* name); |
| |
| /** |
| * Returns the locale's ISO-639 language code. |
| * @return An alias to the code |
| * @stable ICU 2.0 |
| */ |
| inline const char * getLanguage( ) const; |
| |
| /** |
| * Returns the locale's ISO-15924 abbreviation script code. |
| * @return An alias to the code |
| * @see uscript_getShortName |
| * @see uscript_getCode |
| * @stable ICU 2.8 |
| */ |
| inline const char * getScript( ) const; |
| |
| /** |
| * Returns the locale's ISO-3166 country code. |
| * @return An alias to the code |
| * @stable ICU 2.0 |
| */ |
| inline const char * getCountry( ) const; |
| |
| /** |
| * Returns the locale's variant code. |
| * @return An alias to the code |
| * @stable ICU 2.0 |
| */ |
| inline const char * getVariant( ) const; |
| |
| /** |
| * Returns the programmatic name of the entire locale, with the language, |
| * country and variant separated by underbars. If a field is missing, up |
| * to two leading underbars will occur. Example: "en", "de_DE", "en_US_WIN", |
| * "de__POSIX", "fr__MAC", "__MAC", "_MT", "_FR_EURO" |
| * @return A pointer to "name". |
| * @stable ICU 2.0 |
| */ |
| inline const char * getName() const; |
| |
| /** |
| * Returns the programmatic name of the entire locale as getName() would return, |
| * but without keywords. |
| * @return A pointer to "name". |
| * @see getName |
| * @stable ICU 2.8 |
| */ |
| const char * getBaseName() const; |
| |
| /** |
| * Add the likely subtags for this Locale, per the algorithm described |
| * in the following CLDR technical report: |
| * |
| * http://www.unicode.org/reports/tr35/#Likely_Subtags |
| * |
| * If this Locale is already in the maximal form, or not valid, or there is |
| * no data available for maximization, the Locale will be unchanged. |
| * |
| * For example, "und-Zzzz" cannot be maximized, since there is no |
| * reasonable maximization. |
| * |
| * Examples: |
| * |
| * "en" maximizes to "en_Latn_US" |
| * |
| * "de" maximizes to "de_Latn_US" |
| * |
| * "sr" maximizes to "sr_Cyrl_RS" |
| * |
| * "sh" maximizes to "sr_Latn_RS" (Note this will not reverse.) |
| * |
| * "zh_Hani" maximizes to "zh_Hans_CN" (Note this will not reverse.) |
| * |
| * @param status error information if maximizing this Locale failed. |
| * If this Locale is not well-formed, the error code is |
| * U_ILLEGAL_ARGUMENT_ERROR. |
| * @stable ICU 63 |
| */ |
| void addLikelySubtags(UErrorCode& status); |
| |
| /** |
| * Minimize the subtags for this Locale, per the algorithm described |
| * in the following CLDR technical report: |
| * |
| * http://www.unicode.org/reports/tr35/#Likely_Subtags |
| * |
| * If this Locale is already in the minimal form, or not valid, or there is |
| * no data available for minimization, the Locale will be unchanged. |
| * |
| * Since the minimization algorithm relies on proper maximization, see the |
| * comments for addLikelySubtags for reasons why there might not be any |
| * data. |
| * |
| * Examples: |
| * |
| * "en_Latn_US" minimizes to "en" |
| * |
| * "de_Latn_US" minimizes to "de" |
| * |
| * "sr_Cyrl_RS" minimizes to "sr" |
| * |
| * "zh_Hant_TW" minimizes to "zh_TW" (The region is preferred to the |
| * script, and minimizing to "zh" would imply "zh_Hans_CN".) |
| * |
| * @param status error information if maximizing this Locale failed. |
| * If this Locale is not well-formed, the error code is |
| * U_ILLEGAL_ARGUMENT_ERROR. |
| * @stable ICU 63 |
| */ |
| void minimizeSubtags(UErrorCode& status); |
| |
| /** |
| * Canonicalize the locale ID of this object according to CLDR. |
| * @param status the status code |
| * @stable ICU 67 |
| * @see createCanonical |
| */ |
| void canonicalize(UErrorCode& status); |
| |
| /** |
| * Gets the list of keywords for the specified locale. |
| * |
| * @param status the status code |
| * @return pointer to StringEnumeration class, or NULL if there are no keywords. |
| * Client must dispose of it by calling delete. |
| * @see getKeywords |
| * @stable ICU 2.8 |
| */ |
| StringEnumeration * createKeywords(UErrorCode &status) const; |
| |
| /** |
| * Gets the list of Unicode keywords for the specified locale. |
| * |
| * @param status the status code |
| * @return pointer to StringEnumeration class, or NULL if there are no keywords. |
| * Client must dispose of it by calling delete. |
| * @see getUnicodeKeywords |
| * @stable ICU 63 |
| */ |
| StringEnumeration * createUnicodeKeywords(UErrorCode &status) const; |
| |
| /** |
| * Gets the set of keywords for this Locale. |
| * |
| * A wrapper to call createKeywords() and write the resulting |
| * keywords as standard strings (or compatible objects) into any kind of |
| * container that can be written to by an STL style output iterator. |
| * |
| * @param iterator an STL style output iterator to write the keywords to. |
| * @param status error information if creating set of keywords failed. |
| * @stable ICU 63 |
| */ |
| template<typename StringClass, typename OutputIterator> |
| inline void getKeywords(OutputIterator iterator, UErrorCode& status) const; |
| |
| /** |
| * Gets the set of Unicode keywords for this Locale. |
| * |
| * A wrapper to call createUnicodeKeywords() and write the resulting |
| * keywords as standard strings (or compatible objects) into any kind of |
| * container that can be written to by an STL style output iterator. |
| * |
| * @param iterator an STL style output iterator to write the keywords to. |
| * @param status error information if creating set of keywords failed. |
| * @stable ICU 63 |
| */ |
| template<typename StringClass, typename OutputIterator> |
| inline void getUnicodeKeywords(OutputIterator iterator, UErrorCode& status) const; |
| |
| /** |
| * Gets the value for a keyword. |
| * |
| * This uses legacy keyword=value pairs, like "collation=phonebook". |
| * |
| * ICU4C doesn't do automatic conversion between legacy and Unicode |
| * keywords and values in getters and setters (as opposed to ICU4J). |
| * |
| * @param keywordName name of the keyword for which we want the value. Case insensitive. |
| * @param buffer The buffer to receive the keyword value. |
| * @param bufferCapacity The capacity of receiving buffer |
| * @param status Returns any error information while performing this operation. |
| * @return the length of the keyword value |
| * |
| * @stable ICU 2.8 |
| */ |
| int32_t getKeywordValue(const char* keywordName, char *buffer, int32_t bufferCapacity, UErrorCode &status) const; |
| |
| /** |
| * Gets the value for a keyword. |
| * |
| * This uses legacy keyword=value pairs, like "collation=phonebook". |
| * |
| * ICU4C doesn't do automatic conversion between legacy and Unicode |
| * keywords and values in getters and setters (as opposed to ICU4J). |
| * |
| * @param keywordName name of the keyword for which we want the value. |
| * @param sink the sink to receive the keyword value. |
| * @param status error information if getting the value failed. |
| * @stable ICU 63 |
| */ |
| void getKeywordValue(StringPiece keywordName, ByteSink& sink, UErrorCode& status) const; |
| |
| /** |
| * Gets the value for a keyword. |
| * |
| * This uses legacy keyword=value pairs, like "collation=phonebook". |
| * |
| * ICU4C doesn't do automatic conversion between legacy and Unicode |
| * keywords and values in getters and setters (as opposed to ICU4J). |
| * |
| * @param keywordName name of the keyword for which we want the value. |
| * @param status error information if getting the value failed. |
| * @return the keyword value. |
| * @stable ICU 63 |
| */ |
| template<typename StringClass> |
| inline StringClass getKeywordValue(StringPiece keywordName, UErrorCode& status) const; |
| |
| /** |
| * Gets the Unicode value for a Unicode keyword. |
| * |
| * This uses Unicode key-value pairs, like "co-phonebk". |
| * |
| * ICU4C doesn't do automatic conversion between legacy and Unicode |
| * keywords and values in getters and setters (as opposed to ICU4J). |
| * |
| * @param keywordName name of the keyword for which we want the value. |
| * @param sink the sink to receive the keyword value. |
| * @param status error information if getting the value failed. |
| * @stable ICU 63 |
| */ |
| void getUnicodeKeywordValue(StringPiece keywordName, ByteSink& sink, UErrorCode& status) const; |
| |
| /** |
| * Gets the Unicode value for a Unicode keyword. |
| * |
| * This uses Unicode key-value pairs, like "co-phonebk". |
| * |
| * ICU4C doesn't do automatic conversion between legacy and Unicode |
| * keywords and values in getters and setters (as opposed to ICU4J). |
| * |
| * @param keywordName name of the keyword for which we want the value. |
| * @param status error information if getting the value failed. |
| * @return the keyword value. |
| * @stable ICU 63 |
| */ |
| template<typename StringClass> |
| inline StringClass getUnicodeKeywordValue(StringPiece keywordName, UErrorCode& status) const; |
| |
| /** |
| * Sets or removes the value for a keyword. |
| * |
| * For removing all keywords, use getBaseName(), |
| * and construct a new Locale if it differs from getName(). |
| * |
| * This uses legacy keyword=value pairs, like "collation=phonebook". |
| * |
| * ICU4C doesn't do automatic conversion between legacy and Unicode |
| * keywords and values in getters and setters (as opposed to ICU4J). |
| * |
| * @param keywordName name of the keyword to be set. Case insensitive. |
| * @param keywordValue value of the keyword to be set. If 0-length or |
| * NULL, will result in the keyword being removed. No error is given if |
| * that keyword does not exist. |
| * @param status Returns any error information while performing this operation. |
| * |
| * @stable ICU 49 |
| */ |
| void setKeywordValue(const char* keywordName, const char* keywordValue, UErrorCode &status); |
| |
| /** |
| * Sets or removes the value for a keyword. |
| * |
| * For removing all keywords, use getBaseName(), |
| * and construct a new Locale if it differs from getName(). |
| * |
| * This uses legacy keyword=value pairs, like "collation=phonebook". |
| * |
| * ICU4C doesn't do automatic conversion between legacy and Unicode |
| * keywords and values in getters and setters (as opposed to ICU4J). |
| * |
| * @param keywordName name of the keyword to be set. |
| * @param keywordValue value of the keyword to be set. If 0-length or |
| * NULL, will result in the keyword being removed. No error is given if |
| * that keyword does not exist. |
| * @param status Returns any error information while performing this operation. |
| * @stable ICU 63 |
| */ |
| void setKeywordValue(StringPiece keywordName, StringPiece keywordValue, UErrorCode& status); |
| |
| /** |
| * Sets or removes the Unicode value for a Unicode keyword. |
| * |
| * For removing all keywords, use getBaseName(), |
| * and construct a new Locale if it differs from getName(). |
| * |
| * This uses Unicode key-value pairs, like "co-phonebk". |
| * |
| * ICU4C doesn't do automatic conversion between legacy and Unicode |
| * keywords and values in getters and setters (as opposed to ICU4J). |
| * |
| * @param keywordName name of the keyword to be set. |
| * @param keywordValue value of the keyword to be set. If 0-length or |
| * NULL, will result in the keyword being removed. No error is given if |
| * that keyword does not exist. |
| * @param status Returns any error information while performing this operation. |
| * @stable ICU 63 |
| */ |
| void setUnicodeKeywordValue(StringPiece keywordName, StringPiece keywordValue, UErrorCode& status); |
| |
| /** |
| * returns the locale's three-letter language code, as specified |
| * in ISO draft standard ISO-639-2. |
| * @return An alias to the code, or an empty string |
| * @stable ICU 2.0 |
| */ |
| const char * getISO3Language() const; |
| |
| /** |
| * Fills in "name" with the locale's three-letter ISO-3166 country code. |
| * @return An alias to the code, or an empty string |
| * @stable ICU 2.0 |
| */ |
| const char * getISO3Country() const; |
| |
| /** |
| * Returns the Windows LCID value corresponding to this locale. |
| * This value is stored in the resource data for the locale as a one-to-four-digit |
| * hexadecimal number. If the resource is missing, in the wrong format, or |
| * there is no Windows LCID value that corresponds to this locale, returns 0. |
| * @stable ICU 2.0 |
| */ |
| uint32_t getLCID(void) const; |
| |
| /** |
| * Returns whether this locale's script is written right-to-left. |
| * If there is no script subtag, then the likely script is used, see uloc_addLikelySubtags(). |
| * If no likely script is known, then false is returned. |
| * |
| * A script is right-to-left according to the CLDR script metadata |
| * which corresponds to whether the script's letters have Bidi_Class=R or AL. |
| * |
| * Returns true for "ar" and "en-Hebr", false for "zh" and "fa-Cyrl". |
| * |
| * @return true if the locale's script is written right-to-left |
| * @stable ICU 54 |
| */ |
| UBool isRightToLeft() const; |
| |
| /** |
| * Fills in "dispLang" with the name of this locale's language in a format suitable for |
| * user display in the default locale. For example, if the locale's language code is |
| * "fr" and the default locale's language code is "en", this function would set |
| * dispLang to "French". |
| * @param dispLang Receives the language's display name. |
| * @return A reference to "dispLang". |
| * @stable ICU 2.0 |
| */ |
| UnicodeString& getDisplayLanguage(UnicodeString& dispLang) const; |
| |
| /** |
| * Fills in "dispLang" with the name of this locale's language in a format suitable for |
| * user display in the locale specified by "displayLocale". For example, if the locale's |
| * language code is "en" and displayLocale's language code is "fr", this function would set |
| * dispLang to "Anglais". |
| * @param displayLocale Specifies the locale to be used to display the name. In other words, |
| * if the locale's language code is "en", passing Locale::getFrench() for |
| * displayLocale would result in "Anglais", while passing Locale::getGerman() |
| * for displayLocale would result in "Englisch". |
| * @param dispLang Receives the language's display name. |
| * @return A reference to "dispLang". |
| * @stable ICU 2.0 |
| */ |
| UnicodeString& getDisplayLanguage( const Locale& displayLocale, |
| UnicodeString& dispLang) const; |
| |
| /** |
| * Fills in "dispScript" with the name of this locale's script in a format suitable |
| * for user display in the default locale. For example, if the locale's script code |
| * is "LATN" and the default locale's language code is "en", this function would set |
| * dispScript to "Latin". |
| * @param dispScript Receives the scripts's display name. |
| * @return A reference to "dispScript". |
| * @stable ICU 2.8 |
| */ |
| UnicodeString& getDisplayScript( UnicodeString& dispScript) const; |
| |
| /** |
| * Fills in "dispScript" with the name of this locale's country in a format suitable |
| * for user display in the locale specified by "displayLocale". For example, if the locale's |
| * script code is "LATN" and displayLocale's language code is "en", this function would set |
| * dispScript to "Latin". |
| * @param displayLocale Specifies the locale to be used to display the name. In other |
| * words, if the locale's script code is "LATN", passing |
| * Locale::getFrench() for displayLocale would result in "", while |
| * passing Locale::getGerman() for displayLocale would result in |
| * "". |
| * @param dispScript Receives the scripts's display name. |
| * @return A reference to "dispScript". |
| * @stable ICU 2.8 |
| */ |
| UnicodeString& getDisplayScript( const Locale& displayLocale, |
| UnicodeString& dispScript) const; |
| |
| /** |
| * Fills in "dispCountry" with the name of this locale's country in a format suitable |
| * for user display in the default locale. For example, if the locale's country code |
| * is "FR" and the default locale's language code is "en", this function would set |
| * dispCountry to "France". |
| * @param dispCountry Receives the country's display name. |
| * @return A reference to "dispCountry". |
| * @stable ICU 2.0 |
| */ |
| UnicodeString& getDisplayCountry( UnicodeString& dispCountry) const; |
| |
| /** |
| * Fills in "dispCountry" with the name of this locale's country in a format suitable |
| * for user display in the locale specified by "displayLocale". For example, if the locale's |
| * country code is "US" and displayLocale's language code is "fr", this function would set |
| * dispCountry to "États-Unis". |
| * @param displayLocale Specifies the locale to be used to display the name. In other |
| * words, if the locale's country code is "US", passing |
| * Locale::getFrench() for displayLocale would result in "États-Unis", while |
| * passing Locale::getGerman() for displayLocale would result in |
| * "Vereinigte Staaten". |
| * @param dispCountry Receives the country's display name. |
| * @return A reference to "dispCountry". |
| * @stable ICU 2.0 |
| */ |
| UnicodeString& getDisplayCountry( const Locale& displayLocale, |
| UnicodeString& dispCountry) const; |
| |
| /** |
| * Fills in "dispVar" with the name of this locale's variant code in a format suitable |
| * for user display in the default locale. |
| * @param dispVar Receives the variant's name. |
| * @return A reference to "dispVar". |
| * @stable ICU 2.0 |
| */ |
| UnicodeString& getDisplayVariant( UnicodeString& dispVar) const; |
| |
| /** |
| * Fills in "dispVar" with the name of this locale's variant code in a format |
| * suitable for user display in the locale specified by "displayLocale". |
| * @param displayLocale Specifies the locale to be used to display the name. |
| * @param dispVar Receives the variant's display name. |
| * @return A reference to "dispVar". |
| * @stable ICU 2.0 |
| */ |
| UnicodeString& getDisplayVariant( const Locale& displayLocale, |
| UnicodeString& dispVar) const; |
| |
| /** |
| * Fills in "name" with the name of this locale in a format suitable for user display |
| * in the default locale. This function uses getDisplayLanguage(), getDisplayCountry(), |
| * and getDisplayVariant() to do its work, and outputs the display name in the format |
| * "language (country[,variant])". For example, if the default locale is en_US, then |
| * fr_FR's display name would be "French (France)", and es_MX_Traditional's display name |
| * would be "Spanish (Mexico,Traditional)". |
| * @param name Receives the locale's display name. |
| * @return A reference to "name". |
| * @stable ICU 2.0 |
| */ |
| UnicodeString& getDisplayName( UnicodeString& name) const; |
| |
| /** |
| * Fills in "name" with the name of this locale in a format suitable for user display |
| * in the locale specified by "displayLocale". This function uses getDisplayLanguage(), |
| * getDisplayCountry(), and getDisplayVariant() to do its work, and outputs the display |
| * name in the format "language (country[,variant])". For example, if displayLocale is |
| * fr_FR, then en_US's display name would be "Anglais (États-Unis)", and no_NO_NY's |
| * display name would be "norvégien (Norvège,NY)". |
| * @param displayLocale Specifies the locale to be used to display the name. |
| * @param name Receives the locale's display name. |
| * @return A reference to "name". |
| * @stable ICU 2.0 |
| */ |
| UnicodeString& getDisplayName( const Locale& displayLocale, |
| UnicodeString& name) const; |
| |
| /** |
| * Generates a hash code for the locale. |
| * @stable ICU 2.0 |
| */ |
| int32_t hashCode(void) const; |
| |
| /** |
| * Sets the locale to bogus |
| * A bogus locale represents a non-existing locale associated |
| * with services that can be instantiated from non-locale data |
| * in addition to locale (for example, collation can be |
| * instantiated from a locale and from a rule set). |
| * @stable ICU 2.1 |
| */ |
| void setToBogus(); |
| |
| /** |
| * Gets the bogus state. Locale object can be bogus if it doesn't exist |
| * @return false if it is a real locale, true if it is a bogus locale |
| * @stable ICU 2.1 |
| */ |
| inline UBool isBogus(void) const; |
| |
| /** |
| * Returns a list of all installed locales. |
| * @param count Receives the number of locales in the list. |
| * @return A pointer to an array of Locale objects. This array is the list |
| * of all locales with installed resource files. The called does NOT |
| * get ownership of this list, and must NOT delete it. |
| * @stable ICU 2.0 |
| */ |
| static const Locale* U_EXPORT2 getAvailableLocales(int32_t& count); |
| |
| /** |
| * Gets a list of all available 2-letter country codes defined in ISO 3166. This is a |
| * pointer to an array of pointers to arrays of char. All of these pointers are |
| * owned by ICU-- do not delete them, and do not write through them. The array is |
| * terminated with a null pointer. |
| * @return a list of all available country codes |
| * @stable ICU 2.0 |
| */ |
| static const char* const* U_EXPORT2 getISOCountries(); |
| |
| /** |
| * Gets a list of all available language codes defined in ISO 639. This is a pointer |
| * to an array of pointers to arrays of char. All of these pointers are owned |
| * by ICU-- do not delete them, and do not write through them. The array is |
| * terminated with a null pointer. |
| * @return a list of all available language codes |
| * @stable ICU 2.0 |
| */ |
| static const char* const* U_EXPORT2 getISOLanguages(); |
| |
| /** |
| * ICU "poor man's RTTI", returns a UClassID for this class. |
| * |
| * @stable ICU 2.2 |
| */ |
| static UClassID U_EXPORT2 getStaticClassID(); |
| |
| /** |
| * ICU "poor man's RTTI", returns a UClassID for the actual class. |
| * |
| * @stable ICU 2.2 |
| */ |
| virtual UClassID getDynamicClassID() const; |
| |
| /** |
| * A Locale iterator interface similar to a Java Iterator<Locale>. |
| * @stable ICU 65 |
| */ |
| class U_COMMON_API Iterator /* not : public UObject because this is an interface/mixin class */ { |
| public: |
| /** @stable ICU 65 */ |
| virtual ~Iterator(); |
| |
| /** |
| * @return true if next() can be called again. |
| * @stable ICU 65 |
| */ |
| virtual UBool hasNext() const = 0; |
| |
| /** |
| * @return the next locale. |
| * @stable ICU 65 |
| */ |
| virtual const Locale &next() = 0; |
| }; |
| |
| /** |
| * A generic Locale iterator implementation over Locale input iterators. |
| * @stable ICU 65 |
| */ |
| template<typename Iter> |
| class RangeIterator : public Iterator, public UMemory { |
| public: |
| /** |
| * Constructs an iterator from a begin/end range. |
| * Each of the iterator parameter values must be an |
| * input iterator whose value is convertible to const Locale &. |
| * |
| * @param begin Start of range. |
| * @param end Exclusive end of range. |
| * @stable ICU 65 |
| */ |
| RangeIterator(Iter begin, Iter end) : it_(begin), end_(end) {} |
| |
| /** |
| * @return true if next() can be called again. |
| * @stable ICU 65 |
| */ |
| UBool hasNext() const override { return it_ != end_; } |
| |
| /** |
| * @return the next locale. |
| * @stable ICU 65 |
| */ |
| const Locale &next() override { return *it_++; } |
| |
| private: |
| Iter it_; |
| const Iter end_; |
| }; |
| |
| /** |
| * A generic Locale iterator implementation over Locale input iterators. |
| * Calls the converter to convert each *begin to a const Locale &. |
| * @stable ICU 65 |
| */ |
| template<typename Iter, typename Conv> |
| class ConvertingIterator : public Iterator, public UMemory { |
| public: |
| /** |
| * Constructs an iterator from a begin/end range. |
| * Each of the iterator parameter values must be an |
| * input iterator whose value the converter converts to const Locale &. |
| * |
| * @param begin Start of range. |
| * @param end Exclusive end of range. |
| * @param converter Converter from *begin to const Locale & or compatible. |
| * @stable ICU 65 |
| */ |
| ConvertingIterator(Iter begin, Iter end, Conv converter) : |
| it_(begin), end_(end), converter_(converter) {} |
| |
| /** |
| * @return true if next() can be called again. |
| * @stable ICU 65 |
| */ |
| UBool hasNext() const override { return it_ != end_; } |
| |
| /** |
| * @return the next locale. |
| * @stable ICU 65 |
| */ |
| const Locale &next() override { return converter_(*it_++); } |
| |
| private: |
| Iter it_; |
| const Iter end_; |
| Conv converter_; |
| }; |
| |
| protected: /* only protected for testing purposes. DO NOT USE. */ |
| #ifndef U_HIDE_INTERNAL_API |
| /** |
| * Set this from a single POSIX style locale string. |
| * @internal |
| */ |
| void setFromPOSIXID(const char *posixID); |
| #endif /* U_HIDE_INTERNAL_API */ |
| |
| private: |
| /** |
| * Initialize the locale object with a new name. |
| * Was deprecated - used in implementation - moved internal |
| * |
| * @param cLocaleID The new locale name. |
| * @param canonicalize whether to call uloc_canonicalize on cLocaleID |
| */ |
| Locale& init(const char* cLocaleID, UBool canonicalize); |
| |
| /* |
| * Internal constructor to allow construction of a locale object with |
| * NO side effects. (Default constructor tries to get |
| * the default locale.) |
| */ |
| enum ELocaleType { |
| eBOGUS |
| }; |
| Locale(ELocaleType); |
| |
| /** |
| * Initialize the locale cache for commonly used locales |
| */ |
| static Locale *getLocaleCache(void); |
| |
| char language[ULOC_LANG_CAPACITY]; |
| char script[ULOC_SCRIPT_CAPACITY]; |
| char country[ULOC_COUNTRY_CAPACITY]; |
| int32_t variantBegin; |
| char* fullName; |
| char fullNameBuffer[ULOC_FULLNAME_CAPACITY]; |
| // name without keywords |
| char* baseName; |
| void initBaseName(UErrorCode& status); |
| |
| UBool fIsBogus; |
| |
| static const Locale &getLocale(int locid); |
| |
| /** |
| * A friend to allow the default locale to be set by either the C or C++ API. |
| * @internal (private) |
| */ |
| friend Locale *locale_set_default_internal(const char *, UErrorCode& status); |
| |
| /** |
| * @internal (private) |
| */ |
| friend void U_CALLCONV locale_available_init(); |
| }; |
| |
| inline UBool |
| Locale::operator!=(const Locale& other) const |
| { |
| return !operator==(other); |
| } |
| |
| template<typename StringClass> inline StringClass |
| Locale::toLanguageTag(UErrorCode& status) const |
| { |
| StringClass result; |
| StringByteSink<StringClass> sink(&result); |
| toLanguageTag(sink, status); |
| return result; |
| } |
| |
| inline const char * |
| Locale::getCountry() const |
| { |
| return country; |
| } |
| |
| inline const char * |
| Locale::getLanguage() const |
| { |
| return language; |
| } |
| |
| inline const char * |
| Locale::getScript() const |
| { |
| return script; |
| } |
| |
| inline const char * |
| Locale::getVariant() const |
| { |
| return &baseName[variantBegin]; |
| } |
| |
| inline const char * |
| Locale::getName() const |
| { |
| return fullName; |
| } |
| |
| template<typename StringClass, typename OutputIterator> inline void |
| Locale::getKeywords(OutputIterator iterator, UErrorCode& status) const |
| { |
| LocalPointer<StringEnumeration> keys(createKeywords(status)); |
| if (U_FAILURE(status) || keys.isNull()) { |
| return; |
| } |
| for (;;) { |
| int32_t resultLength; |
| const char* buffer = keys->next(&resultLength, status); |
| if (U_FAILURE(status) || buffer == nullptr) { |
| return; |
| } |
| *iterator++ = StringClass(buffer, resultLength); |
| } |
| } |
| |
| template<typename StringClass, typename OutputIterator> inline void |
| Locale::getUnicodeKeywords(OutputIterator iterator, UErrorCode& status) const |
| { |
| LocalPointer<StringEnumeration> keys(createUnicodeKeywords(status)); |
| if (U_FAILURE(status) || keys.isNull()) { |
| return; |
| } |
| for (;;) { |
| int32_t resultLength; |
| const char* buffer = keys->next(&resultLength, status); |
| if (U_FAILURE(status) || buffer == nullptr) { |
| return; |
| } |
| *iterator++ = StringClass(buffer, resultLength); |
| } |
| } |
| |
| template<typename StringClass> inline StringClass |
| Locale::getKeywordValue(StringPiece keywordName, UErrorCode& status) const |
| { |
| StringClass result; |
| StringByteSink<StringClass> sink(&result); |
| getKeywordValue(keywordName, sink, status); |
| return result; |
| } |
| |
| template<typename StringClass> inline StringClass |
| Locale::getUnicodeKeywordValue(StringPiece keywordName, UErrorCode& status) const |
| { |
| StringClass result; |
| StringByteSink<StringClass> sink(&result); |
| getUnicodeKeywordValue(keywordName, sink, status); |
| return result; |
| } |
| |
| inline UBool |
| Locale::isBogus(void) const { |
| return fIsBogus; |
| } |
| |
| U_NAMESPACE_END |
| |
| #endif /* U_SHOW_CPLUSPLUS_API */ |
| |
| #endif |
