mirror of
https://gitlab.com/drummyfish/anarch.git
synced 2024-11-30 20:52:25 -05:00
184 lines
6.3 KiB
C
184 lines
6.3 KiB
C
// © 2016 and later: Unicode, Inc. and others.
|
|
// License & terms of use: http://www.unicode.org/copyright.html
|
|
/*
|
|
******************************************************************************
|
|
*
|
|
* Copyright (C) 1997-2014, International Business Machines
|
|
* Corporation and others. All Rights Reserved.
|
|
*
|
|
******************************************************************************
|
|
*
|
|
* FILE NAME : putil.h
|
|
*
|
|
* Date Name Description
|
|
* 05/14/98 nos Creation (content moved here from utypes.h).
|
|
* 06/17/99 erm Added IEEE_754
|
|
* 07/22/98 stephen Added IEEEremainder, max, min, trunc
|
|
* 08/13/98 stephen Added isNegativeInfinity, isPositiveInfinity
|
|
* 08/24/98 stephen Added longBitsFromDouble
|
|
* 03/02/99 stephen Removed openFile(). Added AS400 support.
|
|
* 04/15/99 stephen Converted to C
|
|
* 11/15/99 helena Integrated S/390 changes for IEEE support.
|
|
* 01/11/00 helena Added u_getVersion.
|
|
******************************************************************************
|
|
*/
|
|
|
|
#ifndef PUTIL_H
|
|
#define PUTIL_H
|
|
|
|
#include "unicode/utypes.h"
|
|
/**
|
|
* \file
|
|
* \brief C API: Platform Utilities
|
|
*/
|
|
|
|
/*==========================================================================*/
|
|
/* Platform utilities */
|
|
/*==========================================================================*/
|
|
|
|
/**
|
|
* Platform utilities isolates the platform dependencies of the
|
|
* libarary. 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 specifed 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_STABLE const char* 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_STABLE void U_EXPORT2 u_setDataDirectory(const char *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 preferrentially
|
|
* loaded from individual files in this directory.
|
|
*
|
|
* @return the time zone data override directory.
|
|
* @internal
|
|
*/
|
|
U_INTERNAL const char * 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_INTERNAL void U_EXPORT2 u_setTimeZoneFilesDirectory(const char *path, UErrorCode *status);
|
|
#endif /* U_HIDE_INTERNAL_API */
|
|
|
|
|
|
/**
|
|
* @{
|
|
* Filesystem file and path separator characters.
|
|
* Example: '/' and ':' on Unix, '\\' and ';' on Windows.
|
|
* @stable ICU 2.0
|
|
*/
|
|
#if U_PLATFORM_USES_ONLY_WIN32_API
|
|
# define U_FILE_SEP_CHAR '\\'
|
|
# define U_FILE_ALT_SEP_CHAR '/'
|
|
# define U_PATH_SEP_CHAR ';'
|
|
# define U_FILE_SEP_STRING "\\"
|
|
# define U_FILE_ALT_SEP_STRING "/"
|
|
# define U_PATH_SEP_STRING ";"
|
|
#else
|
|
# define U_FILE_SEP_CHAR '/'
|
|
# define U_FILE_ALT_SEP_CHAR '/'
|
|
# define U_PATH_SEP_CHAR ':'
|
|
# define U_FILE_SEP_STRING "/"
|
|
# define U_FILE_ALT_SEP_STRING "/"
|
|
# define U_PATH_SEP_STRING ":"
|
|
#endif
|
|
|
|
/** @} */
|
|
|
|
/**
|
|
* 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_STABLE void U_EXPORT2
|
|
u_charsToUChars(const char *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_STABLE void U_EXPORT2
|
|
u_UCharsToChars(const UChar *us, char *cs, int32_t length);
|
|
|
|
#endif
|