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Overview
| Comment: | Change the format of the tables used by sqlite3FtsUnicodeTolower() to make them a little smaller. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | fts4-unicode |
| Files: | files | file ages | folders |
| SHA1: |
b89d3834f6690073fca0fc22c18afa1f |
| User & Date: | dan 2012-05-26 17:57:02.187 |
Context
|
2012-05-26
| ||
| 18:28 | If SQLITE_DISABLE_FTS3_UNICODE is defined, do not build the "unicode61" tokenizer. (Closed-Leaf check-in: e71495a817 user: dan tags: fts4-unicode) | |
| 17:57 | Change the format of the tables used by sqlite3FtsUnicodeTolower() to make them a little smaller. (check-in: b89d3834f6 user: dan tags: fts4-unicode) | |
| 16:22 | Add coverage tests for fts3_unicode.c. (check-in: 07d3ea8a3c user: dan tags: fts4-unicode) | |
Changes
Changes to ext/fts3/fts3_unicode2.c.
| ︙ | |||
159 160 161 162 163 164 165 | 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 | + - - - - - + + + + + + + - + - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + |
** is less than zero.
*/
int sqlite3FtsUnicodeTolower(int c){
/* Each entry in the following array defines a rule for folding a range
** of codepoints to lower case. The rule applies to a range of nRange
** codepoints starting at codepoint iCode.
**
** If the least significant bit in flags is clear, then the rule applies
|
| ︙ | |||
258 259 260 261 262 263 264 | 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 | - - + + |
iHi = iTest-1;
}
}
assert( iRes<0 || c>=aEntry[iRes].iCode );
if( iRes>=0 ){
const struct TableEntry *p = &aEntry[iRes];
|
Changes to ext/fts3/unicode/mkunicode.tcl.
| ︙ | |||
299 300 301 302 303 304 305 | 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 | + - - - - - + + + + + + + - + - - + + + + + - + |
proc tl_print_table_header {} {
puts -nonewline " "
puts [string trim {
/* Each entry in the following array defines a rule for folding a range
** of codepoints to lower case. The rule applies to a range of nRange
** codepoints starting at codepoint iCode.
**
** If the least significant bit in flags is clear, then the rule applies
|
| ︙ | |||
356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 | 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 | + + + + + + + + + + + + + + + + + + + + + + + + + + + + - + + + |
foreach {iFirst nIncr nRange nOff} $entry {}
if {$nIncr==2} {error "tl_print_if_entry needs improvement!"}
puts " else if( c>=$iFirst && c<[expr $iFirst+$nRange] )\{"
puts " ret = c + $nOff;"
puts " \}"
}
proc tl_generate_ioff_table {lRecord} {
foreach entry $lRecord {
foreach {iFirst nIncr nRange iOff} $entry {}
if {$iOff<0} { incr iOff [expr (1<<16)] }
if {[info exists a($iOff)]} continue
set a($iOff) 1
}
set liOff [lsort -integer [array names a]]
if {[llength $liOff]>128} { error "Too many distinct ioffs" }
return $liOff
}
proc tl_print_ioff_table {liOff} {
puts -nonewline " static const unsigned short aiOff\[\] = \{"
set i 0
foreach off $liOff {
if {($i % 8)==0} {puts "" ; puts -nonewline " "}
puts -nonewline [format "% -7s" "$off,"]
incr i
}
puts ""
puts " \};"
}
proc print_tolower {zFunc} {
set lRecord [tl_create_records]
set lHigh [list]
puts "/*"
puts "** Interpret the argument as a unicode codepoint. If the codepoint"
puts "** is an upper case character that has a lower case equivalent,"
puts "** return the codepoint corresponding to the lower case version."
puts "** Otherwise, return a copy of the argument."
puts "**"
puts "** The results are undefined if the value passed to this function"
puts "** is less than zero."
puts "*/"
puts "int ${zFunc}\(int c)\{"
set liOff [tl_generate_ioff_table $lRecord]
tl_print_table_header
foreach entry $lRecord {
|
| ︙ | |||
406 407 408 409 410 411 412 | 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 | - - + + |
iHi = iTest-1;
}
}
assert( iRes<0 || c>=aEntry[iRes].iCode );
if( iRes>=0 ){
const struct TableEntry *p = &aEntry[iRes];
|
| ︙ |