| /* |
| ********************************************************************** |
| * Copyright (c) 2004-2014, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ********************************************************************** |
| * Author: Alan Liu |
| * Created: January 16 2004 |
| * Since: ICU 2.8 |
| ********************************************************************** |
| */ |
| #ifndef LOCBASED_H |
| #define LOCBASED_H |
| |
| #include "unicode/locid.h" |
| #include "unicode/uobject.h" |
| |
| /** |
| * Macro to declare a locale LocaleBased wrapper object for the given |
| * object, which must have two members named `validLocale' and |
| * `actualLocale' of size ULOC_FULLNAME_CAPACITY |
| */ |
| #define U_LOCALE_BASED(varname, objname) \ |
| LocaleBased varname((objname).validLocale, (objname).actualLocale); |
| |
| U_NAMESPACE_BEGIN |
| |
| /** |
| * A utility class that unifies the implementation of getLocale() by |
| * various ICU services. This class is likely to be removed in the |
| * ICU 3.0 time frame in favor of an integrated approach with the |
| * services framework. |
| * @since ICU 2.8 |
| */ |
| class U_COMMON_API LocaleBased : public UMemory { |
| |
| public: |
| |
| /** |
| * Construct a LocaleBased wrapper around the two pointers. These |
| * will be aliased for the lifetime of this object. |
| */ |
| inline LocaleBased(char* validAlias, char* actualAlias); |
| |
| /** |
| * Construct a LocaleBased wrapper around the two const pointers. |
| * These will be aliased for the lifetime of this object. |
| */ |
| inline LocaleBased(const char* validAlias, const char* actualAlias); |
| |
| /** |
| * Return locale meta-data for the service object wrapped by this |
| * object. Either the valid or the actual locale may be |
| * retrieved. |
| * @param type either ULOC_VALID_LOCALE or ULOC_ACTUAL_LOCALE |
| * @param status input-output error code |
| * @return the indicated locale |
| */ |
| Locale getLocale(ULocDataLocaleType type, UErrorCode& status) const; |
| |
| /** |
| * Return the locale ID for the service object wrapped by this |
| * object. Either the valid or the actual locale may be |
| * retrieved. |
| * @param type either ULOC_VALID_LOCALE or ULOC_ACTUAL_LOCALE |
| * @param status input-output error code |
| * @return the indicated locale ID |
| */ |
| const char* getLocaleID(ULocDataLocaleType type, UErrorCode& status) const; |
| |
| /** |
| * Set the locale meta-data for the service object wrapped by this |
| * object. If either parameter is zero, it is ignored. |
| * @param valid the ID of the valid locale |
| * @param actual the ID of the actual locale |
| */ |
| void setLocaleIDs(const char* valid, const char* actual); |
| |
| /** |
| * Set the locale meta-data for the service object wrapped by this |
| * object. |
| * @param valid the ID of the valid locale |
| * @param actual the ID of the actual locale |
| */ |
| void setLocaleIDs(const Locale& valid, const Locale& actual); |
| |
| private: |
| |
| char* valid; |
| |
| char* actual; |
| }; |
| |
| inline LocaleBased::LocaleBased(char* validAlias, char* actualAlias) : |
| valid(validAlias), actual(actualAlias) { |
| } |
| |
| inline LocaleBased::LocaleBased(const char* validAlias, |
| const char* actualAlias) : |
| // ugh: cast away const |
| valid((char*)validAlias), actual((char*)actualAlias) { |
| } |
| |
| U_NAMESPACE_END |
| |
| #endif |
