/** * Platform utilities isolates the platform dependencies of the * library. For each platform which this code is ported to, these * functions may have to be re-implemented.
*/
/** * Return the ICU data directory. * The data directory is where common format ICU data files (.dat files) * are loaded from. Note that normal use of the built-in ICU * facilities does not require loading of an external data file; * unless you are adding custom data to ICU, the data directory * does not need to be set. * * The data directory is determined as follows: * If u_setDataDirectory() has been called, that is it, otherwise * if the ICU_DATA environment variable is set, use that, otherwise * If a data directory was specified at ICU build time * <code> * \code * #define ICU_DATA_DIR "path" * \endcode * </code> use that, * otherwise no data directory is available. * * @return the data directory, or an empty string ("") if no data directory has * been specified. * * @stable ICU 2.0
*/
U_CAPI constchar* U_EXPORT2 u_getDataDirectory(void);
/** * Set the ICU data directory. * The data directory is where common format ICU data files (.dat files) * are loaded from. Note that normal use of the built-in ICU * facilities does not require loading of an external data file; * unless you are adding custom data to ICU, the data directory * does not need to be set. * * This function should be called at most once in a process, before the * first ICU operation (e.g., u_init()) that will require the loading of an * ICU data file. * This function is not thread-safe. Use it before calling ICU APIs from * multiple threads. * * @param directory The directory to be set. * * @see u_init * @stable ICU 2.0
*/
U_CAPI void U_EXPORT2 u_setDataDirectory(constchar *directory);
#ifndef U_HIDE_INTERNAL_API /** * Return the time zone files override directory, or an empty string if * no directory was specified. Certain time zone resources will be preferentially * loaded from individual files in this directory. * * @return the time zone data override directory. * @internal
*/
U_CAPI constchar * U_EXPORT2 u_getTimeZoneFilesDirectory(UErrorCode *status);
/** * Set the time zone files override directory. * This function is not thread safe; it must not be called concurrently with * u_getTimeZoneFilesDirectory() or any other use of ICU time zone functions. * This function should only be called before using any ICU service that * will access the time zone data. * @internal
*/
U_CAPI void U_EXPORT2 u_setTimeZoneFilesDirectory(constchar *path, UErrorCode *status); #endif/* U_HIDE_INTERNAL_API */
/** * Convert char characters to UChar characters. * This utility function is useful only for "invariant characters" * that are encoded in the platform default encoding. * They are a small, constant subset of the encoding and include * just the latin letters, digits, and some punctuation. * For details, see U_CHARSET_FAMILY. * * @param cs Input string, points to <code>length</code> * character bytes from a subset of the platform encoding. * @param us Output string, points to memory for <code>length</code> * Unicode characters. * @param length The number of characters to convert; this may * include the terminating <code>NUL</code>. * * @see U_CHARSET_FAMILY * @stable ICU 2.0
*/
U_CAPI void U_EXPORT2
u_charsToUChars(constchar *cs, UChar *us, int32_t length);
/** * Convert UChar characters to char characters. * This utility function is useful only for "invariant characters" * that can be encoded in the platform default encoding. * They are a small, constant subset of the encoding and include * just the latin letters, digits, and some punctuation. * For details, see U_CHARSET_FAMILY. * * @param us Input string, points to <code>length</code> * Unicode characters that can be encoded with the * codepage-invariant subset of the platform encoding. * @param cs Output string, points to memory for <code>length</code> * character bytes. * @param length The number of characters to convert; this may * include the terminating <code>NUL</code>. * * @see U_CHARSET_FAMILY * @stable ICU 2.0
*/
U_CAPI void U_EXPORT2
u_UCharsToChars(const UChar *us, char *cs, int32_t length);
#endif
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