1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/common/locbased.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,97 @@
1.4 +/*
1.5 +**********************************************************************
1.6 +* Copyright (c) 2004, International Business Machines
1.7 +* Corporation and others. All Rights Reserved.
1.8 +**********************************************************************
1.9 +* Author: Alan Liu
1.10 +* Created: January 16 2004
1.11 +* Since: ICU 2.8
1.12 +**********************************************************************
1.13 +*/
1.14 +#ifndef LOCBASED_H
1.15 +#define LOCBASED_H
1.16 +
1.17 +#include "unicode/locid.h"
1.18 +#include "unicode/uobject.h"
1.19 +
1.20 +/**
1.21 + * Macro to declare a locale LocaleBased wrapper object for the given
1.22 + * object, which must have two members named `validLocale' and
1.23 + * `actualLocale'.
1.24 + */
1.25 +#define U_LOCALE_BASED(varname, objname) \
1.26 + LocaleBased varname((objname).validLocale, (objname).actualLocale);
1.27 +
1.28 +U_NAMESPACE_BEGIN
1.29 +
1.30 +/**
1.31 + * A utility class that unifies the implementation of getLocale() by
1.32 + * various ICU services. This class is likely to be removed in the
1.33 + * ICU 3.0 time frame in favor of an integrated approach with the
1.34 + * services framework.
1.35 + * @since ICU 2.8
1.36 + */
1.37 +class U_COMMON_API LocaleBased : public UMemory {
1.38 +
1.39 + public:
1.40 +
1.41 + /**
1.42 + * Construct a LocaleBased wrapper around the two pointers. These
1.43 + * will be aliased for the lifetime of this object.
1.44 + */
1.45 + inline LocaleBased(char* validAlias, char* actualAlias);
1.46 +
1.47 + /**
1.48 + * Construct a LocaleBased wrapper around the two const pointers.
1.49 + * These will be aliased for the lifetime of this object.
1.50 + */
1.51 + inline LocaleBased(const char* validAlias, const char* actualAlias);
1.52 +
1.53 + /**
1.54 + * Return locale meta-data for the service object wrapped by this
1.55 + * object. Either the valid or the actual locale may be
1.56 + * retrieved.
1.57 + * @param type either ULOC_VALID_LOCALE or ULOC_ACTUAL_LOCALE
1.58 + * @param status input-output error code
1.59 + * @return the indicated locale
1.60 + */
1.61 + Locale getLocale(ULocDataLocaleType type, UErrorCode& status) const;
1.62 +
1.63 + /**
1.64 + * Return the locale ID for the service object wrapped by this
1.65 + * object. Either the valid or the actual locale may be
1.66 + * retrieved.
1.67 + * @param type either ULOC_VALID_LOCALE or ULOC_ACTUAL_LOCALE
1.68 + * @param status input-output error code
1.69 + * @return the indicated locale ID
1.70 + */
1.71 + const char* getLocaleID(ULocDataLocaleType type, UErrorCode& status) const;
1.72 +
1.73 + /**
1.74 + * Set the locale meta-data for the service object wrapped by this
1.75 + * object. If either parameter is zero, it is ignored.
1.76 + * @param valid the ID of the valid locale
1.77 + * @param actual the ID of the actual locale
1.78 + */
1.79 + void setLocaleIDs(const char* valid, const char* actual);
1.80 +
1.81 + private:
1.82 +
1.83 + char* valid;
1.84 +
1.85 + char* actual;
1.86 +};
1.87 +
1.88 +inline LocaleBased::LocaleBased(char* validAlias, char* actualAlias) :
1.89 + valid(validAlias), actual(actualAlias) {
1.90 +}
1.91 +
1.92 +inline LocaleBased::LocaleBased(const char* validAlias,
1.93 + const char* actualAlias) :
1.94 + // ugh: cast away const
1.95 + valid((char*)validAlias), actual((char*)actualAlias) {
1.96 +}
1.97 +
1.98 +U_NAMESPACE_END
1.99 +
1.100 +#endif
