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intl/icu/source/common/unicode/uconfig.h
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| -1:000000000000 | 0:21aaead9d33e |
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| 1 /* | |
| 2 ********************************************************************** | |
| 3 * Copyright (C) 2002-2013, International Business Machines | |
| 4 * Corporation and others. All Rights Reserved. | |
| 5 ********************************************************************** | |
| 6 * file name: uconfig.h | |
| 7 * encoding: US-ASCII | |
| 8 * tab size: 8 (not used) | |
| 9 * indentation:4 | |
| 10 * | |
| 11 * created on: 2002sep19 | |
| 12 * created by: Markus W. Scherer | |
| 13 */ | |
| 14 | |
| 15 #ifndef __UCONFIG_H__ | |
| 16 #define __UCONFIG_H__ | |
| 17 | |
| 18 | |
| 19 /*! | |
| 20 * \file | |
| 21 * \brief User-configurable settings | |
| 22 * | |
| 23 * Miscellaneous switches: | |
| 24 * | |
| 25 * A number of macros affect a variety of minor aspects of ICU. | |
| 26 * Most of them used to be defined elsewhere (e.g., in utypes.h or platform.h) | |
| 27 * and moved here to make them easier to find. | |
| 28 * | |
| 29 * Switches for excluding parts of ICU library code modules: | |
| 30 * | |
| 31 * Changing these macros allows building partial, smaller libraries for special purposes. | |
| 32 * By default, all modules are built. | |
| 33 * The switches are fairly coarse, controlling large modules. | |
| 34 * Basic services cannot be turned off. | |
| 35 * | |
| 36 * Building with any of these options does not guarantee that the | |
| 37 * ICU build process will completely work. It is recommended that | |
| 38 * the ICU libraries and data be built using the normal build. | |
| 39 * At that time you should remove the data used by those services. | |
| 40 * After building the ICU data library, you should rebuild the ICU | |
| 41 * libraries with these switches customized to your needs. | |
| 42 * | |
| 43 * @stable ICU 2.4 | |
| 44 */ | |
| 45 | |
| 46 /** | |
| 47 * If this switch is defined, ICU will attempt to load a header file named "uconfig_local.h" | |
| 48 * prior to determining default settings for uconfig variables. | |
| 49 * | |
| 50 * @internal ICU 4.0 | |
| 51 */ | |
| 52 #if defined(UCONFIG_USE_LOCAL) | |
| 53 #include "uconfig_local.h" | |
| 54 #endif | |
| 55 | |
| 56 /** | |
| 57 * \def U_DEBUG | |
| 58 * Determines whether to include debugging code. | |
| 59 * Automatically set on Windows, but most compilers do not have | |
| 60 * related predefined macros. | |
| 61 * @internal | |
| 62 */ | |
| 63 #ifdef U_DEBUG | |
| 64 /* Use the predefined value. */ | |
| 65 #elif defined(_DEBUG) | |
| 66 /* | |
| 67 * _DEBUG is defined by Visual Studio debug compilation. | |
| 68 * Do *not* test for its NDEBUG macro: It is an orthogonal macro | |
| 69 * which disables assert(). | |
| 70 */ | |
| 71 # define U_DEBUG 1 | |
| 72 # else | |
| 73 # define U_DEBUG 0 | |
| 74 #endif | |
| 75 | |
| 76 /** | |
| 77 * Determines wheter to enable auto cleanup of libraries. | |
| 78 * @internal | |
| 79 */ | |
| 80 #ifndef UCLN_NO_AUTO_CLEANUP | |
| 81 #define UCLN_NO_AUTO_CLEANUP 1 | |
| 82 #endif | |
| 83 | |
| 84 /** | |
| 85 * \def U_DISABLE_RENAMING | |
| 86 * Determines whether to disable renaming or not. | |
| 87 * @internal | |
| 88 */ | |
| 89 #ifndef U_DISABLE_RENAMING | |
| 90 #define U_DISABLE_RENAMING 0 | |
| 91 #endif | |
| 92 | |
| 93 /** | |
| 94 * \def U_NO_DEFAULT_INCLUDE_UTF_HEADERS | |
| 95 * Determines whether utypes.h includes utf.h, utf8.h, utf16.h and utf_old.h. | |
| 96 * utypes.h includes those headers if this macro is defined to 0. | |
| 97 * Otherwise, each those headers must be included explicitly when using one of their macros. | |
| 98 * Defaults to 0 for backward compatibility, except inside ICU. | |
| 99 * @stable ICU 49 | |
| 100 */ | |
| 101 #ifdef U_NO_DEFAULT_INCLUDE_UTF_HEADERS | |
| 102 /* Use the predefined value. */ | |
| 103 #elif defined(U_COMBINED_IMPLEMENTATION) || defined(U_COMMON_IMPLEMENTATION) || defined(U_I18N_IMPLEMENTATION) || \ | |
| 104 defined(U_IO_IMPLEMENTATION) || defined(U_LAYOUT_IMPLEMENTATION) || defined(U_LAYOUTEX_IMPLEMENTATION) || \ | |
| 105 defined(U_TOOLUTIL_IMPLEMENTATION) | |
| 106 # define U_NO_DEFAULT_INCLUDE_UTF_HEADERS 1 | |
| 107 #else | |
| 108 # define U_NO_DEFAULT_INCLUDE_UTF_HEADERS 0 | |
| 109 #endif | |
| 110 | |
| 111 /** | |
| 112 * \def U_OVERRIDE_CXX_ALLOCATION | |
| 113 * Determines whether to override new and delete. | |
| 114 * ICU is normally built such that all of its C++ classes, via their UMemory base, | |
| 115 * override operators new and delete to use its internal, customizable, | |
| 116 * non-exception-throwing memory allocation functions. (Default value 1 for this macro.) | |
| 117 * | |
| 118 * This is especially important when the application and its libraries use multiple heaps. | |
| 119 * For example, on Windows, this allows the ICU DLL to be used by | |
| 120 * applications that statically link the C Runtime library. | |
| 121 * | |
| 122 * @stable ICU 2.2 | |
| 123 */ | |
| 124 #ifndef U_OVERRIDE_CXX_ALLOCATION | |
| 125 #define U_OVERRIDE_CXX_ALLOCATION 1 | |
| 126 #endif | |
| 127 | |
| 128 /** | |
| 129 * \def U_ENABLE_TRACING | |
| 130 * Determines whether to enable tracing. | |
| 131 * @internal | |
| 132 */ | |
| 133 #ifndef U_ENABLE_TRACING | |
| 134 #define U_ENABLE_TRACING 0 | |
| 135 #endif | |
| 136 | |
| 137 /** | |
| 138 * \def U_ENABLE_DYLOAD | |
| 139 * Whether to enable Dynamic loading in ICU. | |
| 140 * @internal | |
| 141 */ | |
| 142 #ifndef U_ENABLE_DYLOAD | |
| 143 #define U_ENABLE_DYLOAD 1 | |
| 144 #endif | |
| 145 | |
| 146 /** | |
| 147 * \def U_CHECK_DYLOAD | |
| 148 * Whether to test Dynamic loading as an OS capability. | |
| 149 * @internal | |
| 150 */ | |
| 151 #ifndef U_CHECK_DYLOAD | |
| 152 #define U_CHECK_DYLOAD 1 | |
| 153 #endif | |
| 154 | |
| 155 | |
| 156 /** | |
| 157 * \def U_DEFAULT_SHOW_DRAFT | |
| 158 * Do we allow ICU users to use the draft APIs by default? | |
| 159 * @internal | |
| 160 */ | |
| 161 #ifndef U_DEFAULT_SHOW_DRAFT | |
| 162 #define U_DEFAULT_SHOW_DRAFT 1 | |
| 163 #endif | |
| 164 | |
| 165 /*===========================================================================*/ | |
| 166 /* Custom icu entry point renaming */ | |
| 167 /*===========================================================================*/ | |
| 168 | |
| 169 /** | |
| 170 * \def U_HAVE_LIB_SUFFIX | |
| 171 * 1 if a custom library suffix is set. | |
| 172 * @internal | |
| 173 */ | |
| 174 #ifdef U_HAVE_LIB_SUFFIX | |
| 175 /* Use the predefined value. */ | |
| 176 #elif defined(U_LIB_SUFFIX_C_NAME) | |
| 177 # define U_HAVE_LIB_SUFFIX 1 | |
| 178 #endif | |
| 179 | |
| 180 /** | |
| 181 * \def U_LIB_SUFFIX_C_NAME_STRING | |
| 182 * Defines the library suffix as a string with C syntax. | |
| 183 * @internal | |
| 184 */ | |
| 185 #ifdef U_LIB_SUFFIX_C_NAME_STRING | |
| 186 /* Use the predefined value. */ | |
| 187 #elif defined(U_LIB_SUFFIX_C_NAME) | |
| 188 # define U_LIB_SUFFIX_C_NAME_STRING #U_LIB_SUFFIX_C_NAME | |
| 189 #else | |
| 190 # define U_LIB_SUFFIX_C_NAME_STRING "" | |
| 191 #endif | |
| 192 | |
| 193 /* common/i18n library switches --------------------------------------------- */ | |
| 194 | |
| 195 /** | |
| 196 * \def UCONFIG_ONLY_COLLATION | |
| 197 * This switch turns off modules that are not needed for collation. | |
| 198 * | |
| 199 * It does not turn off legacy conversion because that is necessary | |
| 200 * for ICU to work on EBCDIC platforms (for the default converter). | |
| 201 * If you want "only collation" and do not build for EBCDIC, | |
| 202 * then you can define UCONFIG_NO_LEGACY_CONVERSION 1 as well. | |
| 203 * | |
| 204 * @stable ICU 2.4 | |
| 205 */ | |
| 206 #ifndef UCONFIG_ONLY_COLLATION | |
| 207 # define UCONFIG_ONLY_COLLATION 0 | |
| 208 #endif | |
| 209 | |
| 210 #if UCONFIG_ONLY_COLLATION | |
| 211 /* common library */ | |
| 212 # define UCONFIG_NO_BREAK_ITERATION 1 | |
| 213 # define UCONFIG_NO_IDNA 1 | |
| 214 | |
| 215 /* i18n library */ | |
| 216 # if UCONFIG_NO_COLLATION | |
| 217 # error Contradictory collation switches in uconfig.h. | |
| 218 # endif | |
| 219 # define UCONFIG_NO_FORMATTING 1 | |
| 220 # define UCONFIG_NO_TRANSLITERATION 1 | |
| 221 # define UCONFIG_NO_REGULAR_EXPRESSIONS 1 | |
| 222 #endif | |
| 223 | |
| 224 /* common library switches -------------------------------------------------- */ | |
| 225 | |
| 226 /** | |
| 227 * \def UCONFIG_NO_FILE_IO | |
| 228 * This switch turns off all file access in the common library | |
| 229 * where file access is only used for data loading. | |
| 230 * ICU data must then be provided in the form of a data DLL (or with an | |
| 231 * equivalent way to link to the data residing in an executable, | |
| 232 * as in building a combined library with both the common library's code and | |
| 233 * the data), or via udata_setCommonData(). | |
| 234 * Application data must be provided via udata_setAppData() or by using | |
| 235 * "open" functions that take pointers to data, for example ucol_openBinary(). | |
| 236 * | |
| 237 * File access is not used at all in the i18n library. | |
| 238 * | |
| 239 * File access cannot be turned off for the icuio library or for the ICU | |
| 240 * test suites and ICU tools. | |
| 241 * | |
| 242 * @stable ICU 3.6 | |
| 243 */ | |
| 244 #ifndef UCONFIG_NO_FILE_IO | |
| 245 # define UCONFIG_NO_FILE_IO 0 | |
| 246 #endif | |
| 247 | |
| 248 /** | |
| 249 * \def UCONFIG_NO_CONVERSION | |
| 250 * ICU will not completely build with this switch turned on. | |
| 251 * This switch turns off all converters. | |
| 252 * | |
| 253 * You may want to use this together with U_CHARSET_IS_UTF8 defined to 1 | |
| 254 * in utypes.h if char* strings in your environment are always in UTF-8. | |
| 255 * | |
| 256 * @stable ICU 3.2 | |
| 257 * @see U_CHARSET_IS_UTF8 | |
| 258 */ | |
| 259 #ifndef UCONFIG_NO_CONVERSION | |
| 260 # define UCONFIG_NO_CONVERSION 0 | |
| 261 #endif | |
| 262 | |
| 263 #if UCONFIG_NO_CONVERSION | |
| 264 # define UCONFIG_NO_LEGACY_CONVERSION 1 | |
| 265 #endif | |
| 266 | |
| 267 /** | |
| 268 * \def UCONFIG_NO_LEGACY_CONVERSION | |
| 269 * This switch turns off all converters except for | |
| 270 * - Unicode charsets (UTF-7/8/16/32, CESU-8, SCSU, BOCU-1) | |
| 271 * - US-ASCII | |
| 272 * - ISO-8859-1 | |
| 273 * | |
| 274 * Turning off legacy conversion is not possible on EBCDIC platforms | |
| 275 * because they need ibm-37 or ibm-1047 default converters. | |
| 276 * | |
| 277 * @stable ICU 2.4 | |
| 278 */ | |
| 279 #ifndef UCONFIG_NO_LEGACY_CONVERSION | |
| 280 # define UCONFIG_NO_LEGACY_CONVERSION 0 | |
| 281 #endif | |
| 282 | |
| 283 /** | |
| 284 * \def UCONFIG_NO_NORMALIZATION | |
| 285 * This switch turns off normalization. | |
| 286 * It implies turning off several other services as well, for example | |
| 287 * collation and IDNA. | |
| 288 * | |
| 289 * @stable ICU 2.6 | |
| 290 */ | |
| 291 #ifndef UCONFIG_NO_NORMALIZATION | |
| 292 # define UCONFIG_NO_NORMALIZATION 0 | |
| 293 #elif UCONFIG_NO_NORMALIZATION | |
| 294 /* common library */ | |
| 295 /* ICU 50 CJK dictionary BreakIterator uses normalization */ | |
| 296 # define UCONFIG_NO_BREAK_ITERATION 1 | |
| 297 /* IDNA (UTS #46) is implemented via normalization */ | |
| 298 # define UCONFIG_NO_IDNA 1 | |
| 299 | |
| 300 /* i18n library */ | |
| 301 # if UCONFIG_ONLY_COLLATION | |
| 302 # error Contradictory collation switches in uconfig.h. | |
| 303 # endif | |
| 304 # define UCONFIG_NO_COLLATION 1 | |
| 305 # define UCONFIG_NO_TRANSLITERATION 1 | |
| 306 #endif | |
| 307 | |
| 308 /** | |
| 309 * \def UCONFIG_NO_BREAK_ITERATION | |
| 310 * This switch turns off break iteration. | |
| 311 * | |
| 312 * @stable ICU 2.4 | |
| 313 */ | |
| 314 #ifndef UCONFIG_NO_BREAK_ITERATION | |
| 315 # define UCONFIG_NO_BREAK_ITERATION 0 | |
| 316 #endif | |
| 317 | |
| 318 /** | |
| 319 * \def UCONFIG_NO_IDNA | |
| 320 * This switch turns off IDNA. | |
| 321 * | |
| 322 * @stable ICU 2.6 | |
| 323 */ | |
| 324 #ifndef UCONFIG_NO_IDNA | |
| 325 # define UCONFIG_NO_IDNA 0 | |
| 326 #endif | |
| 327 | |
| 328 /** | |
| 329 * \def UCONFIG_MSGPAT_DEFAULT_APOSTROPHE_MODE | |
| 330 * Determines the default UMessagePatternApostropheMode. | |
| 331 * See the documentation for that enum. | |
| 332 * | |
| 333 * @stable ICU 4.8 | |
| 334 */ | |
| 335 #ifndef UCONFIG_MSGPAT_DEFAULT_APOSTROPHE_MODE | |
| 336 # define UCONFIG_MSGPAT_DEFAULT_APOSTROPHE_MODE UMSGPAT_APOS_DOUBLE_OPTIONAL | |
| 337 #endif | |
| 338 | |
| 339 /* i18n library switches ---------------------------------------------------- */ | |
| 340 | |
| 341 /** | |
| 342 * \def UCONFIG_NO_COLLATION | |
| 343 * This switch turns off collation and collation-based string search. | |
| 344 * | |
| 345 * @stable ICU 2.4 | |
| 346 */ | |
| 347 #ifndef UCONFIG_NO_COLLATION | |
| 348 # define UCONFIG_NO_COLLATION 0 | |
| 349 #endif | |
| 350 | |
| 351 /** | |
| 352 * \def UCONFIG_NO_FORMATTING | |
| 353 * This switch turns off formatting and calendar/timezone services. | |
| 354 * | |
| 355 * @stable ICU 2.4 | |
| 356 */ | |
| 357 #ifndef UCONFIG_NO_FORMATTING | |
| 358 # define UCONFIG_NO_FORMATTING 0 | |
| 359 #endif | |
| 360 | |
| 361 /** | |
| 362 * \def UCONFIG_NO_TRANSLITERATION | |
| 363 * This switch turns off transliteration. | |
| 364 * | |
| 365 * @stable ICU 2.4 | |
| 366 */ | |
| 367 #ifndef UCONFIG_NO_TRANSLITERATION | |
| 368 # define UCONFIG_NO_TRANSLITERATION 0 | |
| 369 #endif | |
| 370 | |
| 371 /** | |
| 372 * \def UCONFIG_NO_REGULAR_EXPRESSIONS | |
| 373 * This switch turns off regular expressions. | |
| 374 * | |
| 375 * @stable ICU 2.4 | |
| 376 */ | |
| 377 #ifndef UCONFIG_NO_REGULAR_EXPRESSIONS | |
| 378 # define UCONFIG_NO_REGULAR_EXPRESSIONS 0 | |
| 379 #endif | |
| 380 | |
| 381 /** | |
| 382 * \def UCONFIG_NO_SERVICE | |
| 383 * This switch turns off service registration. | |
| 384 * | |
| 385 * @stable ICU 3.2 | |
| 386 */ | |
| 387 #ifndef UCONFIG_NO_SERVICE | |
| 388 # define UCONFIG_NO_SERVICE 0 | |
| 389 #endif | |
| 390 | |
| 391 /** | |
| 392 * \def UCONFIG_HAVE_PARSEALLINPUT | |
| 393 * This switch turns on the "parse all input" attribute. Binary incompatible. | |
| 394 * | |
| 395 * @internal | |
| 396 */ | |
| 397 #ifndef UCONFIG_HAVE_PARSEALLINPUT | |
| 398 # define UCONFIG_HAVE_PARSEALLINPUT 1 | |
| 399 #endif | |
| 400 | |
| 401 | |
| 402 /** | |
| 403 * \def UCONFIG_FORMAT_FASTPATHS_49 | |
| 404 * This switch turns on other formatting fastpaths. Binary incompatible in object DecimalFormat and DecimalFormatSymbols | |
| 405 * | |
| 406 * @internal | |
| 407 */ | |
| 408 #ifndef UCONFIG_FORMAT_FASTPATHS_49 | |
| 409 # define UCONFIG_FORMAT_FASTPATHS_49 1 | |
| 410 #endif | |
| 411 | |
| 412 #endif |
