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// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ********************************************************************** * Copyright (C) 2002-2016, International Business Machines * Corporation and others. All Rights Reserved. ********************************************************************** * file name: uconfig.h * encoding: UTF-8 * tab size: 8 (not used) * indentation:4 * * created on: 2002sep19 * created by: Markus W. Scherer */ #ifndef __UCONFIG_H__ #define __UCONFIG_H__ /*! * \file * \brief User-configurable settings * * Miscellaneous switches: * * A number of macros affect a variety of minor aspects of ICU. * Most of them used to be defined elsewhere (e.g., in utypes.h or platform.h) * and moved here to make them easier to find. * * Switches for excluding parts of ICU library code modules: * * Changing these macros allows building partial, smaller libraries for special purposes. * By default, all modules are built. * The switches are fairly coarse, controlling large modules. * Basic services cannot be turned off. * * Building with any of these options does not guarantee that the * ICU build process will completely work. It is recommended that * the ICU libraries and data be built using the normal build. * At that time you should remove the data used by those services. * After building the ICU data library, you should rebuild the ICU * libraries with these switches customized to your needs. * * @stable ICU 2.4 */ /** * If this switch is defined, ICU will attempt to load a header file named "uconfig_local.h" * prior to determining default settings for uconfig variables. * * @internal ICU 4.0 */ #if defined(UCONFIG_USE_LOCAL) #include "uconfig_local.h" #endif /** * \def U_DEBUG * Determines whether to include debugging code. * Automatically set on Windows, but most compilers do not have * related predefined macros. * @internal */ #ifdef U_DEBUG /* Use the predefined value. */ #elif defined(_DEBUG) /* * _DEBUG is defined by Visual Studio debug compilation. * Do *not* test for its NDEBUG macro: It is an orthogonal macro * which disables assert(). */ # define U_DEBUG 1 # else # define U_DEBUG 0 #endif /** * Determines whether to enable auto cleanup of libraries. * @internal */ #ifndef UCLN_NO_AUTO_CLEANUP #define UCLN_NO_AUTO_CLEANUP 1 #endif /** * \def U_DISABLE_RENAMING * Determines whether to disable renaming or not. * @internal */ #ifndef U_DISABLE_RENAMING #define U_DISABLE_RENAMING 0 #endif /** * \def U_NO_DEFAULT_INCLUDE_UTF_HEADERS * Determines whether utypes.h includes utf.h, utf8.h, utf16.h and utf_old.h. * utypes.h includes those headers if this macro is defined to 0. * Otherwise, each those headers must be included explicitly when using one of their macros. * Defaults to 0 for backward compatibility, except inside ICU. * @stable ICU 49 */ #ifdef U_NO_DEFAULT_INCLUDE_UTF_HEADERS /* Use the predefined value. */ #elif defined(U_COMBINED_IMPLEMENTATION) || defined(U_COMMON_IMPLEMENTATION) || defined(U_I18N_IMPLEMENTATION) || \ defined(U_IO_IMPLEMENTATION) || defined(U_LAYOUT_IMPLEMENTATION) || defined(U_LAYOUTEX_IMPLEMENTATION) || \ defined(U_TOOLUTIL_IMPLEMENTATION) # define U_NO_DEFAULT_INCLUDE_UTF_HEADERS 1 #else # define U_NO_DEFAULT_INCLUDE_UTF_HEADERS 0 #endif /** * \def U_OVERRIDE_CXX_ALLOCATION * Determines whether to override new and delete. * ICU is normally built such that all of its C++ classes, via their UMemory base, * override operators new and delete to use its internal, customizable, * non-exception-throwing memory allocation functions. (Default value 1 for this macro.) * * This is especially important when the application and its libraries use multiple heaps. * For example, on Windows, this allows the ICU DLL to be used by * applications that statically link the C Runtime library. * * @stable ICU 2.2 */ #ifndef U_OVERRIDE_CXX_ALLOCATION #define U_OVERRIDE_CXX_ALLOCATION 1 #endif /** * \def U_ENABLE_TRACING * Determines whether to enable tracing. * @internal */ #ifndef U_ENABLE_TRACING #define U_ENABLE_TRACING 0 #endif /** * \def UCONFIG_ENABLE_PLUGINS * Determines whether to enable ICU plugins. * @internal */ #ifndef UCONFIG_ENABLE_PLUGINS #define UCONFIG_ENABLE_PLUGINS 0 #endif /** * \def U_ENABLE_DYLOAD * Whether to enable Dynamic loading in ICU. * @internal */ #ifndef U_ENABLE_DYLOAD #define U_ENABLE_DYLOAD 1 #endif /** * \def U_CHECK_DYLOAD * Whether to test Dynamic loading as an OS capability. * @internal */ #ifndef U_CHECK_DYLOAD #define U_CHECK_DYLOAD 1 #endif /** * \def U_DEFAULT_SHOW_DRAFT * Do we allow ICU users to use the draft APIs by default? * @internal */ #ifndef U_DEFAULT_SHOW_DRAFT #define U_DEFAULT_SHOW_DRAFT 1 #endif /*===========================================================================*/ /* Custom icu entry point renaming */ /*===========================================================================*/ /** * \def U_HAVE_LIB_SUFFIX * 1 if a custom library suffix is set. * @internal */ #ifdef U_HAVE_LIB_SUFFIX /* Use the predefined value. */ #elif defined(U_LIB_SUFFIX_C_NAME) || defined(U_IN_DOXYGEN) # define U_HAVE_LIB_SUFFIX 1 #endif /** * \def U_LIB_SUFFIX_C_NAME_STRING * Defines the library suffix as a string with C syntax. * @internal */ #ifdef U_LIB_SUFFIX_C_NAME_STRING /* Use the predefined value. */ #elif defined(U_LIB_SUFFIX_C_NAME) # define CONVERT_TO_STRING(s) #s # define U_LIB_SUFFIX_C_NAME_STRING CONVERT_TO_STRING(U_LIB_SUFFIX_C_NAME) #else # define U_LIB_SUFFIX_C_NAME_STRING "" #endif /* common/i18n library switches --------------------------------------------- */ /** * \def UCONFIG_ONLY_COLLATION * This switch turns off modules that are not needed for collation. * * It does not turn off legacy conversion because that is necessary * for ICU to work on EBCDIC platforms (for the default converter). * If you want "only collation" and do not build for EBCDIC, * then you can define UCONFIG_NO_CONVERSION or UCONFIG_NO_LEGACY_CONVERSION to 1 as well. * * @stable ICU 2.4 */ #ifndef UCONFIG_ONLY_COLLATION # define UCONFIG_ONLY_COLLATION 0 #endif #if UCONFIG_ONLY_COLLATION /* common library */ # define UCONFIG_NO_BREAK_ITERATION 1 # define UCONFIG_NO_IDNA 1 /* i18n library */ # if UCONFIG_NO_COLLATION # error Contradictory collation switches in uconfig.h. # endif # define UCONFIG_NO_FORMATTING 1 # define UCONFIG_NO_TRANSLITERATION 1 # define UCONFIG_NO_REGULAR_EXPRESSIONS 1 #endif /* common library switches -------------------------------------------------- */ /** * \def UCONFIG_NO_FILE_IO * This switch turns off all file access in the common library * where file access is only used for data loading. * ICU data must then be provided in the form of a data DLL (or with an * equivalent way to link to the data residing in an executable, * as in building a combined library with both the common library's code and * the data), or via udata_setCommonData(). * Application data must be provided via udata_setAppData() or by using * "open" functions that take pointers to data, for example ucol_openBinary(). * * File access is not used at all in the i18n library. * * File access cannot be turned off for the icuio library or for the ICU * test suites and ICU tools. * * @stable ICU 3.6 */ #ifndef UCONFIG_NO_FILE_IO # define UCONFIG_NO_FILE_IO 0 #endif #if UCONFIG_NO_FILE_IO && defined(U_TIMEZONE_FILES_DIR) # error Contradictory file io switches in uconfig.h. #endif /** * \def UCONFIG_NO_CONVERSION * ICU will not completely build (compiling the tools fails) with this * switch turned on. * This switch turns off all converters. * * You may want to use this together with U_CHARSET_IS_UTF8 defined to 1 * in utypes.h if char* strings in your environment are always in UTF-8. * * @stable ICU 3.2 * @see U_CHARSET_IS_UTF8 */ #ifndef UCONFIG_NO_CONVERSION # define UCONFIG_NO_CONVERSION 0 #endif #if UCONFIG_NO_CONVERSION # define UCONFIG_NO_LEGACY_CONVERSION 1 #endif /** * \def UCONFIG_ONLY_HTML_CONVERSION * This switch turns off all of the converters NOT listed in * the HTML encoding standard: * http://www.w3.org/TR/encoding/#names-and-labels * * This is not possible on EBCDIC platforms * because they need ibm-37 or ibm-1047 default converters. * * @stable ICU 55 */ #ifndef UCONFIG_ONLY_HTML_CONVERSION # define UCONFIG_ONLY_HTML_CONVERSION 0 #endif /** * \def UCONFIG_NO_LEGACY_CONVERSION * This switch turns off all converters except for * - Unicode charsets (UTF-7/8/16/32, CESU-8, SCSU, BOCU-1) * - US-ASCII * - ISO-8859-1 * * Turning off legacy conversion is not possible on EBCDIC platforms * because they need ibm-37 or ibm-1047 default converters. * * @stable ICU 2.4 */ #ifndef UCONFIG_NO_LEGACY_CONVERSION # define UCONFIG_NO_LEGACY_CONVERSION 0 #endif /** * \def UCONFIG_NO_NORMALIZATION * This switch turns off normalization. * It implies turning off several other services as well, for example * collation and IDNA. * * @stable ICU 2.6 */ #ifndef UCONFIG_NO_NORMALIZATION # define UCONFIG_NO_NORMALIZATION 0 #endif #if UCONFIG_NO_NORMALIZATION /* common library */ /* ICU 50 CJK dictionary BreakIterator uses normalization */ # define UCONFIG_NO_BREAK_ITERATION 1 /* IDNA (UTS #46) is implemented via normalization */ # define UCONFIG_NO_IDNA 1 /* i18n library */ # if UCONFIG_ONLY_COLLATION # error Contradictory collation switches in uconfig.h. # endif # define UCONFIG_NO_COLLATION 1 # define UCONFIG_NO_TRANSLITERATION 1 #endif /** * \def UCONFIG_NO_BREAK_ITERATION * This switch turns off break iteration. * * @stable ICU 2.4 */ #ifndef UCONFIG_NO_BREAK_ITERATION # define UCONFIG_NO_BREAK_ITERATION 0 #endif /** * \def UCONFIG_NO_IDNA * This switch turns off IDNA. * * @stable ICU 2.6 */ #ifndef UCONFIG_NO_IDNA # define UCONFIG_NO_IDNA 0 #endif /** * \def UCONFIG_MSGPAT_DEFAULT_APOSTROPHE_MODE * Determines the default UMessagePatternApostropheMode. * See the documentation for that enum. * * @stable ICU 4.8 */ #ifndef UCONFIG_MSGPAT_DEFAULT_APOSTROPHE_MODE # define UCONFIG_MSGPAT_DEFAULT_APOSTROPHE_MODE UMSGPAT_APOS_DOUBLE_OPTIONAL #endif /** * \def UCONFIG_USE_WINDOWS_LCID_MAPPING_API * On platforms where U_PLATFORM_HAS_WIN32_API is true, this switch determines * if the Windows platform APIs are used for LCID<->Locale Name conversions. * Otherwise, only the built-in ICU tables are used. * * @internal ICU 64 */ #ifndef UCONFIG_USE_WINDOWS_LCID_MAPPING_API # define UCONFIG_USE_WINDOWS_LCID_MAPPING_API 1 #endif /* i18n library switches ---------------------------------------------------- */ /** * \def UCONFIG_NO_COLLATION * This switch turns off collation and collation-based string search. * * @stable ICU 2.4 */ #ifndef UCONFIG_NO_COLLATION # define UCONFIG_NO_COLLATION 0 #endif /** * \def UCONFIG_NO_FORMATTING * This switch turns off formatting and calendar/timezone services. * * @stable ICU 2.4 */ #ifndef UCONFIG_NO_FORMATTING # define UCONFIG_NO_FORMATTING 0 #endif /** * \def UCONFIG_NO_TRANSLITERATION * This switch turns off transliteration. * * @stable ICU 2.4 */ #ifndef UCONFIG_NO_TRANSLITERATION # define UCONFIG_NO_TRANSLITERATION 0 #endif /** * \def UCONFIG_NO_REGULAR_EXPRESSIONS * This switch turns off regular expressions. * * @stable ICU 2.4 */ #ifndef UCONFIG_NO_REGULAR_EXPRESSIONS # define UCONFIG_NO_REGULAR_EXPRESSIONS 0 #endif /** * \def UCONFIG_NO_SERVICE * This switch turns off service registration. * * @stable ICU 3.2 */ #ifndef UCONFIG_NO_SERVICE # define UCONFIG_NO_SERVICE 0 #endif /** * \def UCONFIG_HAVE_PARSEALLINPUT * This switch turns on the "parse all input" attribute. Binary incompatible. * * @internal */ #ifndef UCONFIG_HAVE_PARSEALLINPUT # define UCONFIG_HAVE_PARSEALLINPUT 1 #endif /** * \def UCONFIG_NO_FILTERED_BREAK_ITERATION * This switch turns off filtered break iteration code. * * @internal */ #ifndef UCONFIG_NO_FILTERED_BREAK_ITERATION # define UCONFIG_NO_FILTERED_BREAK_ITERATION 0 #endif #endif