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| author | Tomas Heinrich <heinrich.tomas@gmail.com> | 2010-03-18 18:35:37 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-03-18 18:35:37 +0100 |
| commit | c5c006c10c060e7f1a97250d039051b93ed390b2 (patch) | |
| tree | b281136c99e6a27a530282a0b1b7eaf938704bb2 /libbb/unicode.c | |
| parent | 98f1dc12f1554aca6c3743bec1c3d8982a077f7c (diff) | |
| download | busybox-w32-c5c006c10c060e7f1a97250d039051b93ed390b2.tar.gz busybox-w32-c5c006c10c060e7f1a97250d039051b93ed390b2.tar.bz2 busybox-w32-c5c006c10c060e7f1a97250d039051b93ed390b2.zip | |
lineedit: first shot at optional unicode bidi input support
function old new delta
read_line_input 4886 5003 +117
in_uint16_table - 97 +97
in_interval_table - 78 +78
static.rtl_b - 68 +68
unicode_isrtl - 55 +55
isrtl_str - 51 +51
static.rtl_p - 42 +42
unicode_conv_to_printable2 633 477 -156
------------------------------------------------------------------------------
(add/remove: 6/0 grow/shrink: 1/1 up/down: 508/-156) Total: 352 bytes
Signed-off-by: Tomas Heinrich <heinrich.tomas@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/unicode.c')
| -rw-r--r-- | libbb/unicode.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/libbb/unicode.c b/libbb/unicode.c index 7c41ef30b..91667ea72 100644 --- a/libbb/unicode.c +++ b/libbb/unicode.c | |||
| @@ -241,6 +241,138 @@ int FAST_FUNC iswpunct(wint_t wc) | |||
| 241 | 241 | ||
| 242 | #include "unicode_wcwidth.c" | 242 | #include "unicode_wcwidth.c" |
| 243 | 243 | ||
| 244 | # if ENABLE_UNICODE_BIDI_SUPPORT | ||
| 245 | int FAST_FUNC unicode_isrtl(wint_t wc) | ||
| 246 | { | ||
| 247 | /* ranges taken from | ||
| 248 | * http://www.unicode.org/Public/5.2.0/ucd/extracted/DerivedBidiClass.txt | ||
| 249 | * Bidi_Class=Left_To_Right | Bidi_Class=Arabic_Letter | ||
| 250 | */ | ||
| 251 | static const struct interval rtl_b[] = { | ||
| 252 | # define BIG_(a,b) { a, b }, | ||
| 253 | # define PAIR(a,b) | ||
| 254 | PAIR(0x0590, 0x0590) | ||
| 255 | PAIR(0x05BE, 0x05BE) | ||
| 256 | PAIR(0x05C0, 0x05C0) | ||
| 257 | PAIR(0x05C3, 0x05C3) | ||
| 258 | PAIR(0x05C6, 0x05C6) | ||
| 259 | BIG_(0x05C8, 0x05FF) | ||
| 260 | PAIR(0x0604, 0x0605) | ||
| 261 | PAIR(0x0608, 0x0608) | ||
| 262 | PAIR(0x060B, 0x060B) | ||
| 263 | PAIR(0x060D, 0x060D) | ||
| 264 | BIG_(0x061B, 0x064A) | ||
| 265 | PAIR(0x065F, 0x065F) | ||
| 266 | PAIR(0x066D, 0x066F) | ||
| 267 | BIG_(0x0671, 0x06D5) | ||
| 268 | PAIR(0x06E5, 0x06E6) | ||
| 269 | PAIR(0x06EE, 0x06EF) | ||
| 270 | BIG_(0x06FA, 0x070E) | ||
| 271 | PAIR(0x0710, 0x0710) | ||
| 272 | BIG_(0x0712, 0x072F) | ||
| 273 | BIG_(0x074B, 0x07A5) | ||
| 274 | BIG_(0x07B1, 0x07EA) | ||
| 275 | PAIR(0x07F4, 0x07F5) | ||
| 276 | BIG_(0x07FA, 0x0815) | ||
| 277 | PAIR(0x081A, 0x081A) | ||
| 278 | PAIR(0x0824, 0x0824) | ||
| 279 | PAIR(0x0828, 0x0828) | ||
| 280 | BIG_(0x082E, 0x08FF) | ||
| 281 | PAIR(0x200F, 0x200F) | ||
| 282 | PAIR(0x202B, 0x202B) | ||
| 283 | PAIR(0x202E, 0x202E) | ||
| 284 | BIG_(0xFB1D, 0xFB1D) | ||
| 285 | BIG_(0xFB1F, 0xFB28) | ||
| 286 | BIG_(0xFB2A, 0xFD3D) | ||
| 287 | BIG_(0xFD40, 0xFDCF) | ||
| 288 | BIG_(0xFDC8, 0xFDCF) | ||
| 289 | BIG_(0xFDF0, 0xFDFC) | ||
| 290 | BIG_(0xFDFE, 0xFDFF) | ||
| 291 | BIG_(0xFE70, 0xFEFE) | ||
| 292 | /* Probably not necessary | ||
| 293 | {0x10800, 0x1091E}, | ||
| 294 | {0x10920, 0x10A00}, | ||
| 295 | {0x10A04, 0x10A04}, | ||
| 296 | {0x10A07, 0x10A0B}, | ||
| 297 | {0x10A10, 0x10A37}, | ||
| 298 | {0x10A3B, 0x10A3E}, | ||
| 299 | {0x10A40, 0x10A7F}, | ||
| 300 | {0x10B36, 0x10B38}, | ||
| 301 | {0x10B40, 0x10E5F}, | ||
| 302 | {0x10E7F, 0x10FFF}, | ||
| 303 | {0x1E800, 0x1EFFF} | ||
| 304 | */ | ||
| 305 | # undef BIG_ | ||
| 306 | # undef PAIR | ||
| 307 | }; | ||
| 308 | |||
| 309 | static const uint16_t rtl_p[] = { | ||
| 310 | # define BIG_(a,b) | ||
| 311 | # define PAIR(a,b) (a << 2) | (b-a), | ||
| 312 | /* Exact copy-n-paste of the above: */ | ||
| 313 | PAIR(0x0590, 0x0590) | ||
| 314 | PAIR(0x05BE, 0x05BE) | ||
| 315 | PAIR(0x05C0, 0x05C0) | ||
| 316 | PAIR(0x05C3, 0x05C3) | ||
| 317 | PAIR(0x05C6, 0x05C6) | ||
| 318 | BIG_(0x05C8, 0x05FF) | ||
| 319 | PAIR(0x0604, 0x0605) | ||
| 320 | PAIR(0x0608, 0x0608) | ||
| 321 | PAIR(0x060B, 0x060B) | ||
| 322 | PAIR(0x060D, 0x060D) | ||
| 323 | BIG_(0x061B, 0x064A) | ||
| 324 | PAIR(0x065F, 0x065F) | ||
| 325 | PAIR(0x066D, 0x066F) | ||
| 326 | BIG_(0x0671, 0x06D5) | ||
| 327 | PAIR(0x06E5, 0x06E6) | ||
| 328 | PAIR(0x06EE, 0x06EF) | ||
| 329 | BIG_(0x06FA, 0x070E) | ||
| 330 | PAIR(0x0710, 0x0710) | ||
| 331 | BIG_(0x0712, 0x072F) | ||
| 332 | BIG_(0x074B, 0x07A5) | ||
| 333 | BIG_(0x07B1, 0x07EA) | ||
| 334 | PAIR(0x07F4, 0x07F5) | ||
| 335 | BIG_(0x07FA, 0x0815) | ||
| 336 | PAIR(0x081A, 0x081A) | ||
| 337 | PAIR(0x0824, 0x0824) | ||
| 338 | PAIR(0x0828, 0x0828) | ||
| 339 | BIG_(0x082E, 0x08FF) | ||
| 340 | PAIR(0x200F, 0x200F) | ||
| 341 | PAIR(0x202B, 0x202B) | ||
| 342 | PAIR(0x202E, 0x202E) | ||
| 343 | BIG_(0xFB1D, 0xFB1D) | ||
| 344 | BIG_(0xFB1F, 0xFB28) | ||
| 345 | BIG_(0xFB2A, 0xFD3D) | ||
| 346 | BIG_(0xFD40, 0xFDCF) | ||
| 347 | BIG_(0xFDC8, 0xFDCF) | ||
| 348 | BIG_(0xFDF0, 0xFDFC) | ||
| 349 | BIG_(0xFDFE, 0xFDFF) | ||
| 350 | BIG_(0xFE70, 0xFEFE) | ||
| 351 | /* Probably not necessary | ||
| 352 | {0x10800, 0x1091E}, | ||
| 353 | {0x10920, 0x10A00}, | ||
| 354 | {0x10A04, 0x10A04}, | ||
| 355 | {0x10A07, 0x10A0B}, | ||
| 356 | {0x10A10, 0x10A37}, | ||
| 357 | {0x10A3B, 0x10A3E}, | ||
| 358 | {0x10A40, 0x10A7F}, | ||
| 359 | {0x10B36, 0x10B38}, | ||
| 360 | {0x10B40, 0x10E5F}, | ||
| 361 | {0x10E7F, 0x10FFF}, | ||
| 362 | {0x1E800, 0x1EFFF} | ||
| 363 | */ | ||
| 364 | # undef BIG_ | ||
| 365 | # undef PAIR | ||
| 366 | }; | ||
| 367 | |||
| 368 | if (in_interval_table(wc, rtl_b, ARRAY_SIZE(rtl_b) - 1)) | ||
| 369 | return 1; | ||
| 370 | if (in_uint16_table(wc, rtl_p, ARRAY_SIZE(rtl_p) - 1)) | ||
| 371 | return 1; | ||
| 372 | return 0; | ||
| 373 | } | ||
| 374 | # endif /* UNICODE_BIDI_SUPPORT */ | ||
| 375 | |||
| 244 | #endif /* Homegrown Unicode support */ | 376 | #endif /* Homegrown Unicode support */ |
| 245 | 377 | ||
| 246 | 378 | ||