// © 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