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haiku/headers/libs/icu/unicode/umachine.h
Oliver Tappe 75f1522155 * reintegrated gsoc-locale-kit branch into trunk - there's more 
work to do, but it's about time to give this code more exposure.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33176 a95241bf-73f2-0310-859d-f6bbb57e9c96
2009-09-18 22:23:34 +00:00

358 lines
11 KiB
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/*
******************************************************************************
*
* Copyright (C) 1999-2008, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
* file name: umachine.h
* encoding: US-ASCII
* tab size: 8 (not used)
* indentation:4
*
* created on: 1999sep13
* created by: Markus W. Scherer
*
* This file defines basic types and constants for utf.h to be
* platform-independent. umachine.h and utf.h are included into
* utypes.h to provide all the general definitions for ICU.
* All of these definitions used to be in utypes.h before
* the UTF-handling macros made this unmaintainable.
*/
#ifndef __UMACHINE_H__
#define __UMACHINE_H__
/**
* \file
* \brief Basic types and constants for UTF
*
* <h2> Basic types and constants for UTF </h2>
* This file defines basic types and constants for utf.h to be
* platform-independent. umachine.h and utf.h are included into
* utypes.h to provide all the general definitions for ICU.
* All of these definitions used to be in utypes.h before
* the UTF-handling macros made this unmaintainable.
*
*/
/*==========================================================================*/
/* Include platform-dependent definitions */
/* which are contained in the platform-specific file platform.h */
/*==========================================================================*/
#if defined(U_PALMOS)
# include "unicode/ppalmos.h"
#elif defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
# include "unicode/pwin32.h"
#else
# include "unicode/platform.h"
#endif
/*
* ANSI C headers:
* stddef.h defines wchar_t
*/
#include <stddef.h>
/*==========================================================================*/
/* XP_CPLUSPLUS is a cross-platform symbol which should be defined when */
/* using C++. It should not be defined when compiling under C. */
/*==========================================================================*/
#ifdef __cplusplus
# ifndef XP_CPLUSPLUS
# define XP_CPLUSPLUS
# endif
#else
# undef XP_CPLUSPLUS
#endif
/*==========================================================================*/
/* For C wrappers, we use the symbol U_STABLE. */
/* This works properly if the includer is C or C++. */
/* Functions are declared U_STABLE return-type U_EXPORT2 function-name()... */
/*==========================================================================*/
/**
* \def U_CFUNC
* This is used in a declaration of a library private ICU C function.
* @stable ICU 2.4
*/
/**
* \def U_CDECL_BEGIN
* This is used to begin a declaration of a library private ICU C API.
* @stable ICU 2.4
*/
/**
* \def U_CDECL_END
* This is used to end a declaration of a library private ICU C API
* @stable ICU 2.4
*/
#ifdef XP_CPLUSPLUS
# define U_CFUNC extern "C"
# define U_CDECL_BEGIN extern "C" {
# define U_CDECL_END }
#else
# define U_CFUNC extern
# define U_CDECL_BEGIN
# define U_CDECL_END
#endif
/** This is used for GCC specific attributes*/
#if defined(__GNUC__) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
# define U_ATTRIBUTE_DEPRECATED __attribute__ ((deprecated))
/** This is used for Visual C++ specific attributes */
#elif defined(U_WINDOWS) && defined(_MSC_VER) && (_MSC_VER >= 1400)
# define U_ATTRIBUTE_DEPRECATED __declspec(deprecated)
#else
# define U_ATTRIBUTE_DEPRECATED
#endif
/** This is used to declare a function as a public ICU C API @stable ICU 2.0*/
#define U_CAPI U_CFUNC U_EXPORT
/** This is used to declare a function as a stable public ICU C API*/
#define U_STABLE U_CAPI
/** This is used to declare a function as a draft public ICU C API */
#define U_DRAFT U_CAPI
/** This is used to declare a function as a deprecated public ICU C API */
#define U_DEPRECATED U_CAPI U_ATTRIBUTE_DEPRECATED
/** This is used to declare a function as an obsolete public ICU C API */
#define U_OBSOLETE U_CAPI
/** This is used to declare a function as an internal ICU C API */
#define U_INTERNAL U_CAPI
/*==========================================================================*/
/* limits for int32_t etc., like in POSIX inttypes.h */
/*==========================================================================*/
#ifndef INT8_MIN
/** The smallest value an 8 bit signed integer can hold @stable ICU 2.0 */
# define INT8_MIN ((int8_t)(-128))
#endif
#ifndef INT16_MIN
/** The smallest value a 16 bit signed integer can hold @stable ICU 2.0 */
# define INT16_MIN ((int16_t)(-32767-1))
#endif
#ifndef INT32_MIN
/** The smallest value a 32 bit signed integer can hold @stable ICU 2.0 */
# define INT32_MIN ((int32_t)(-2147483647-1))
#endif
#ifndef INT8_MAX
/** The largest value an 8 bit signed integer can hold @stable ICU 2.0 */
# define INT8_MAX ((int8_t)(127))
#endif
#ifndef INT16_MAX
/** The largest value a 16 bit signed integer can hold @stable ICU 2.0 */
# define INT16_MAX ((int16_t)(32767))
#endif
#ifndef INT32_MAX
/** The largest value a 32 bit signed integer can hold @stable ICU 2.0 */
# define INT32_MAX ((int32_t)(2147483647))
#endif
#ifndef UINT8_MAX
/** The largest value an 8 bit unsigned integer can hold @stable ICU 2.0 */
# define UINT8_MAX ((uint8_t)(255U))
#endif
#ifndef UINT16_MAX
/** The largest value a 16 bit unsigned integer can hold @stable ICU 2.0 */
# define UINT16_MAX ((uint16_t)(65535U))
#endif
#ifndef UINT32_MAX
/** The largest value a 32 bit unsigned integer can hold @stable ICU 2.0 */
# define UINT32_MAX ((uint32_t)(4294967295U))
#endif
#if defined(U_INT64_T_UNAVAILABLE)
# error int64_t is required for decimal format and rule-based number format.
#else
# ifndef INT64_C
/**
* Provides a platform independent way to specify a signed 64-bit integer constant.
* note: may be wrong for some 64 bit platforms - ensure your compiler provides INT64_C
* @stable ICU 2.8
*/
# define INT64_C(c) c ## LL
# endif
# ifndef UINT64_C
/**
* Provides a platform independent way to specify an unsigned 64-bit integer constant.
* note: may be wrong for some 64 bit platforms - ensure your compiler provides UINT64_C
* @stable ICU 2.8
*/
# define UINT64_C(c) c ## ULL
# endif
# ifndef U_INT64_MIN
/** The smallest value a 64 bit signed integer can hold @stable ICU 2.8 */
# define U_INT64_MIN ((int64_t)(INT64_C(-9223372036854775807)-1))
# endif
# ifndef U_INT64_MAX
/** The largest value a 64 bit signed integer can hold @stable ICU 2.8 */
# define U_INT64_MAX ((int64_t)(INT64_C(9223372036854775807)))
# endif
# ifndef U_UINT64_MAX
/** The largest value a 64 bit unsigned integer can hold @stable ICU 2.8 */
# define U_UINT64_MAX ((uint64_t)(UINT64_C(18446744073709551615)))
# endif
#endif
/*==========================================================================*/
/* Boolean data type */
/*==========================================================================*/
/** The ICU boolean type @stable ICU 2.0 */
typedef int8_t UBool;
#ifndef TRUE
/** The TRUE value of a UBool @stable ICU 2.0 */
# define TRUE 1
#endif
#ifndef FALSE
/** The FALSE value of a UBool @stable ICU 2.0 */
# define FALSE 0
#endif
/*==========================================================================*/
/* Unicode data types */
/*==========================================================================*/
/* wchar_t-related definitions -------------------------------------------- */
/**
* \def U_HAVE_WCHAR_H
* Indicates whether <wchar.h> is available (1) or not (0). Set to 1 by default.
*
* @stable ICU 2.0
*/
#ifndef U_HAVE_WCHAR_H
# define U_HAVE_WCHAR_H 1
#endif
/**
* \def U_SIZEOF_WCHAR_T
* U_SIZEOF_WCHAR_T==sizeof(wchar_t) (0 means it is not defined or autoconf could not set it)
*
* @stable ICU 2.0
*/
#if U_SIZEOF_WCHAR_T==0
# undef U_SIZEOF_WCHAR_T
# define U_SIZEOF_WCHAR_T 4
#endif
/*
* \def U_WCHAR_IS_UTF16
* Defined if wchar_t uses UTF-16.
*
* @stable ICU 2.0
*/
/*
* \def U_WCHAR_IS_UTF32
* Defined if wchar_t uses UTF-32.
*
* @stable ICU 2.0
*/
#if !defined(U_WCHAR_IS_UTF16) && !defined(U_WCHAR_IS_UTF32)
# ifdef __STDC_ISO_10646__
# if (U_SIZEOF_WCHAR_T==2)
# define U_WCHAR_IS_UTF16
# elif (U_SIZEOF_WCHAR_T==4)
# define U_WCHAR_IS_UTF32
# endif
# elif defined __UCS2__
# if (__OS390__ || __OS400__) && (U_SIZEOF_WCHAR_T==2)
# define U_WCHAR_IS_UTF16
# endif
# elif defined __UCS4__
# if (U_SIZEOF_WCHAR_T==4)
# define U_WCHAR_IS_UTF32
# endif
# elif defined(U_WINDOWS)
# define U_WCHAR_IS_UTF16
# endif
#endif
/* UChar and UChar32 definitions -------------------------------------------- */
/** Number of bytes in a UChar. @stable ICU 2.0 */
#define U_SIZEOF_UCHAR 2
/**
* \var UChar
* Define UChar to be wchar_t if that is 16 bits wide; always assumed to be unsigned.
* If wchar_t is not 16 bits wide, then define UChar to be uint16_t.
* This makes the definition of UChar platform-dependent
* but allows direct string type compatibility with platforms with
* 16-bit wchar_t types.
*
* @stable ICU 2.0
*/
/* Define UChar to be compatible with wchar_t if possible. */
#if U_SIZEOF_WCHAR_T==2
typedef wchar_t UChar;
#else
typedef uint16_t UChar;
#endif
/**
* Define UChar32 as a type for single Unicode code points.
* UChar32 is a signed 32-bit integer (same as int32_t).
*
* The Unicode code point range is 0..0x10ffff.
* All other values (negative or >=0x110000) are illegal as Unicode code points.
* They may be used as sentinel values to indicate "done", "error"
* or similar non-code point conditions.
*
* Before ICU 2.4 (Jitterbug 2146), UChar32 was defined
* to be wchar_t if that is 32 bits wide (wchar_t may be signed or unsigned)
* or else to be uint32_t.
* That is, the definition of UChar32 was platform-dependent.
*
* @see U_SENTINEL
* @stable ICU 2.4
*/
typedef int32_t UChar32;
/*==========================================================================*/
/* U_INLINE and U_ALIGN_CODE Set default values if these are not already */
/* defined. Definitions normally are in */
/* platform.h or the corresponding file for */
/* the OS in use. */
/*==========================================================================*/
#ifndef U_HIDE_INTERNAL_API
/**
* \def U_ALIGN_CODE
* This is used to align code fragments to a specific byte boundary.
* This is useful for getting consistent performance test results.
* @internal
*/
#ifndef U_ALIGN_CODE
# define U_ALIGN_CODE(n)
#endif
#endif /* U_HIDE_INTERNAL_API */
/**
* \def U_INLINE
* This is used to request inlining of a function, on platforms and languages which support it.
*/
#ifndef U_INLINE
# ifdef XP_CPLUSPLUS
# define U_INLINE inline
# else
# define U_INLINE
# endif
#endif
#include "unicode/urename.h"
#endif
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