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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2000-2011, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
*
* file name: uversion.h
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* Created by: Vladimir Weinstein
*
* Gets included by utypes.h and Windows .rc files
*/
/**
* \file
* \brief C API: API for accessing ICU version numbers.
*/
/*===========================================================================*/
/* Main ICU version information */
/*===========================================================================*/
#ifndef UVERSION_H
#define UVERSION_H
#include "unicode/umachine.h"
/* Actual version info lives in uvernum.h */
#include "unicode/uvernum.h"
/** Maximum length of the copyright string.
* @stable ICU 2.4
*/
#define U_COPYRIGHT_STRING_LENGTH 128
/** An ICU version consists of up to 4 numbers from 0..255.
* @stable ICU 2.4
*/
#define U_MAX_VERSION_LENGTH 4
/** In a string, ICU version fields are delimited by dots.
* @stable ICU 2.4
*/
#define U_VERSION_DELIMITER '.'
/** The maximum length of an ICU version string.
* @stable ICU 2.4
*/
#define U_MAX_VERSION_STRING_LENGTH 20
/** The binary form of a version on ICU APIs is an array of 4 uint8_t.
* To compare two versions, use memcmp(v1,v2,sizeof(UVersionInfo)).
* @stable ICU 2.4
*/
typedef uint8_t UVersionInfo[U_MAX_VERSION_LENGTH];
/*===========================================================================*/
/* C++ namespace if supported. Versioned unless versioning is disabled. */
/*===========================================================================*/
/**
* \def U_NAMESPACE_BEGIN
* This is used to begin a declaration of a public ICU C++ API.
* When not compiling for C++, it does nothing.
* When compiling for C++, it begins an extern "C++" linkage block (to protect
* against cases in which an external client includes ICU header files inside
* an extern "C" linkage block).
*
* It also begins a versioned-ICU-namespace block.
* @stable ICU 2.4
*/
/**
* \def U_NAMESPACE_END
* This is used to end a declaration of a public ICU C++ API.
* When not compiling for C++, it does nothing.
* When compiling for C++, it ends the extern "C++" block begun by
* U_NAMESPACE_BEGIN.
*
* It also ends the versioned-ICU-namespace block begun by U_NAMESPACE_BEGIN.
* @stable ICU 2.4
*/
/**
* \def U_NAMESPACE_USE
* This is used to specify that the rest of the code uses the
* public ICU C++ API namespace.
* This is invoked by default; we recommend that you turn it off:
* See the "Recommended Build Options" section of the ICU4C readme
* (http://source.icu-project.org/repos/icu/icu/trunk/readme.html#RecBuild)
* @stable ICU 2.4
*/
/**
* \def U_NAMESPACE_QUALIFIER
* This is used to qualify that a function or class is part of
* the public ICU C++ API namespace.
*
* This macro is unnecessary since ICU 49 requires namespace support.
* You can just use "icu::" instead.
* @stable ICU 2.4
*/
/* Define C++ namespace symbols. */
#ifdef __cplusplus
# if U_DISABLE_RENAMING
# define U_ICU_NAMESPACE icu
namespace U_ICU_NAMESPACE { }
# else
# define U_ICU_NAMESPACE U_ICU_ENTRY_POINT_RENAME(icu)
namespace U_ICU_NAMESPACE { }
namespace icu = U_ICU_NAMESPACE;
# endif
# define U_NAMESPACE_BEGIN extern "C++" { namespace U_ICU_NAMESPACE {
# define U_NAMESPACE_END } }
# define U_NAMESPACE_USE using namespace U_ICU_NAMESPACE;
# define U_NAMESPACE_QUALIFIER U_ICU_NAMESPACE::
# ifndef U_USING_ICU_NAMESPACE
# if defined(U_COMBINED_IMPLEMENTATION) || defined(U_COMMON_IMPLEMENTATION) || \
defined(U_I18N_IMPLEMENTATION) || defined(U_IO_IMPLEMENTATION) || \
defined(U_LAYOUTEX_IMPLEMENTATION) || defined(U_TOOLUTIL_IMPLEMENTATION)
# define U_USING_ICU_NAMESPACE 0
# else
# define U_USING_ICU_NAMESPACE 0
# endif
# endif
# if U_USING_ICU_NAMESPACE
U_NAMESPACE_USE
# endif
#else
# define U_NAMESPACE_BEGIN
# define U_NAMESPACE_END
# define U_NAMESPACE_USE
# define U_NAMESPACE_QUALIFIER
#endif
/*===========================================================================*/
/* General version helper functions. Definitions in putil.c */
/*===========================================================================*/
/**
* Parse a string with dotted-decimal version information and
* fill in a UVersionInfo structure with the result.
* Definition of this function lives in putil.c
*
* @param versionArray The destination structure for the version information.
* @param versionString A string with dotted-decimal version information,
* with up to four non-negative number fields with
* values of up to 255 each.
* @stable ICU 2.4
*/
U_STABLE void U_EXPORT2
u_versionFromString(UVersionInfo versionArray, const char *versionString);
/**
* Parse a Unicode string with dotted-decimal version information and
* fill in a UVersionInfo structure with the result.
* Definition of this function lives in putil.c
*
* @param versionArray The destination structure for the version information.
* @param versionString A Unicode string with dotted-decimal version
* information, with up to four non-negative number
* fields with values of up to 255 each.
* @stable ICU 4.2
*/
U_STABLE void U_EXPORT2
u_versionFromUString(UVersionInfo versionArray, const UChar *versionString);
/**
* Write a string with dotted-decimal version information according
* to the input UVersionInfo.
* Definition of this function lives in putil.c
*
* @param versionArray The version information to be written as a string.
* @param versionString A string buffer that will be filled in with
* a string corresponding to the numeric version
* information in versionArray.
* The buffer size must be at least U_MAX_VERSION_STRING_LENGTH.
* @stable ICU 2.4
*/
U_STABLE void U_EXPORT2
u_versionToString(const UVersionInfo versionArray, char *versionString);
/**
* Gets the ICU release version. The version array stores the version information
* for ICU. For example, release "1.3.31.2" is then represented as 0x01031F02.
* Definition of this function lives in putil.c
*
* @param versionArray the version # information, the result will be filled in
* @stable ICU 2.0
*/
U_STABLE void U_EXPORT2
u_getVersion(UVersionInfo versionArray);
#endif
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