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Editing: uversion.h
// © 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. */ /*===========================================================================*/ /* Define C++ namespace symbols. */ #ifdef __cplusplus /** * \def U_NAMESPACE_BEGIN * This is used to begin a declaration of a public ICU C++ API within * 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. * It 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. * @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 */ # 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 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 #ifndef U_FORCE_HIDE_DRAFT_API /** * \def U_HEADER_NESTED_NAMESPACE * Nested namespace used inside U_ICU_NAMESPACE for header-only APIs. * Different when used inside ICU to prevent public use of internal instantiations: * "header" when compiling calling code; "internal" when compiling ICU library code. * * When compiling for Windows, where DLL exports of APIs are explicit, * this is always "header". Header-only types are not marked for export, * which on Windows already avoids callers linking with library instantiations. * * @draft ICU 76 * @see U_HEADER_ONLY_NAMESPACE */ /** * \def U_HEADER_ONLY_NAMESPACE * Namespace used for header-only APIs. * Different when used inside ICU to prevent public use of internal instantiations. * "U_ICU_NAMESPACE::header" or "U_ICU_NAMESPACE::internal", * see U_HEADER_NESTED_NAMESPACE for details. * * @draft ICU 76 */ /** * \def U_ICU_NAMESPACE_OR_INTERNAL * Namespace used for header-only APIs that used to be regular C++ APIs. * Different when used inside ICU to prevent public use of internal instantiations. * Similar to U_HEADER_ONLY_NAMESPACE, but the public definition is the same as U_ICU_NAMESPACE. * "U_ICU_NAMESPACE" or "U_ICU_NAMESPACE::internal". * * @draft ICU 77 */ // The first test is the same as for defining U_EXPORT for Windows. #if defined(_MSC_VER) || (UPRV_HAS_DECLSPEC_ATTRIBUTE(__dllexport__) && \ UPRV_HAS_DECLSPEC_ATTRIBUTE(__dllimport__)) # define U_HEADER_NESTED_NAMESPACE header # define U_ICU_NAMESPACE_OR_INTERNAL U_ICU_NAMESPACE #elif 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_HEADER_NESTED_NAMESPACE internal # define U_ICU_NAMESPACE_OR_INTERNAL U_ICU_NAMESPACE::internal namespace U_ICU_NAMESPACE_OR_INTERNAL {} using namespace U_ICU_NAMESPACE_OR_INTERNAL; #else # define U_HEADER_NESTED_NAMESPACE header # define U_ICU_NAMESPACE_OR_INTERNAL U_ICU_NAMESPACE #endif #define U_HEADER_ONLY_NAMESPACE U_ICU_NAMESPACE::U_HEADER_NESTED_NAMESPACE namespace U_HEADER_ONLY_NAMESPACE {} #endif // U_FORCE_HIDE_DRAFT_API #endif /* __cplusplus */ /*===========================================================================*/ /* 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_CAPI 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_CAPI 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_CAPI 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_CAPI void U_EXPORT2 u_getVersion(UVersionInfo versionArray); #endif
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