Move ICU headers part 1

public/common/unicode/putil.h

-/*
-******************************************************************************
-*
-*   Copyright (C) 1997-2009, 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
-  */
-
-/** Define this to 1 if your platform supports IEEE 754 floating point,
-   to 0 if it does not. */
-#ifndef IEEE_754
-#   define IEEE_754 1
-#endif
-
-/*==========================================================================*/
-/* 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);
-
-#if !U_CHARSET_IS_UTF8
-/**
- * Please use ucnv_getDefaultName() instead.
- * Return the default codepage for this platform and locale.
- * This function can call setlocale() on Unix platforms. Please read the
- * platform documentation on setlocale() before calling this function.
- * @return the default codepage for this platform 
- * @internal
- */
-U_INTERNAL const char*  U_EXPORT2 uprv_getDefaultCodepage(void);
-#endif
-
-/**
- * Please use uloc_getDefault() instead.
- * Return the default locale ID string by querying ths system, or
- *     zero if one cannot be found. 
- * This function can call setlocale() on Unix platforms. Please read the
- * platform documentation on setlocale() before calling this function.
- * @return the default locale ID string
- * @internal
- */
-U_INTERNAL const char*  U_EXPORT2 uprv_getDefaultLocaleID(void);
-
-/**
- * @{
- * Filesystem file and path separator characters.
- * Example: '/' and ':' on Unix, '\\' and ';' on Windows.
- * @stable ICU 2.0
- */
-#ifdef XP_MAC
-#   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 ";"
-#elif defined(U_WINDOWS)
-#   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