Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doop.c |
79072805 | 2 | * |
4eb8286e | 3 | * Copyright (c) 1991-1999, Larry Wall |
79072805 LW |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "'So that was the job I felt I had to do when I started,' thought Sam." | |
79072805 LW |
12 | */ |
13 | ||
14 | #include "EXTERN.h" | |
15 | #include "perl.h" | |
16 | ||
17 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) | |
18 | #include <signal.h> | |
19 | #endif | |
20 | ||
942e002e GS |
21 | #ifndef PERL_OBJECT |
22 | static I32 do_trans_CC_simple _((SV *sv)); | |
23 | static I32 do_trans_CC_count _((SV *sv)); | |
24 | static I32 do_trans_CC_complex _((SV *sv)); | |
25 | static I32 do_trans_UU_simple _((SV *sv)); | |
26 | static I32 do_trans_UU_count _((SV *sv)); | |
27 | static I32 do_trans_UU_complex _((SV *sv)); | |
28 | static I32 do_trans_UC_simple _((SV *sv)); | |
29 | static I32 do_trans_CU_simple _((SV *sv)); | |
30 | static I32 do_trans_UC_trivial _((SV *sv)); | |
31 | static I32 do_trans_CU_trivial _((SV *sv)); | |
32 | #endif | |
33 | ||
34 | STATIC I32 | |
4757a243 | 35 | do_trans_CC_simple(SV *sv) |
79072805 | 36 | { |
11343788 | 37 | dTHR; |
4757a243 LW |
38 | U8 *s; |
39 | U8 *send; | |
40 | I32 matches = 0; | |
463ee0b2 | 41 | STRLEN len; |
4757a243 LW |
42 | short *tbl; |
43 | I32 ch; | |
79072805 | 44 | |
4757a243 LW |
45 | tbl = (short*)cPVOP->op_pv; |
46 | if (!tbl) | |
47 | croak("panic: do_trans"); | |
a0ed51b3 | 48 | |
4757a243 LW |
49 | s = (U8*)SvPV(sv, len); |
50 | send = s + len; | |
51 | ||
52 | while (s < send) { | |
53 | if ((ch = tbl[*s]) >= 0) { | |
54 | matches++; | |
55 | *s = ch; | |
79072805 | 56 | } |
4757a243 LW |
57 | s++; |
58 | } | |
59 | SvSETMAGIC(sv); | |
60 | ||
61 | return matches; | |
62 | } | |
63 | ||
942e002e | 64 | STATIC I32 |
4757a243 LW |
65 | do_trans_CC_count(SV *sv) |
66 | { | |
67 | dTHR; | |
68 | U8 *s; | |
69 | U8 *send; | |
70 | I32 matches = 0; | |
71 | STRLEN len; | |
72 | short *tbl; | |
73 | ||
74 | tbl = (short*)cPVOP->op_pv; | |
75 | if (!tbl) | |
76 | croak("panic: do_trans"); | |
77 | ||
78 | s = (U8*)SvPV(sv, len); | |
79 | send = s + len; | |
80 | ||
81 | while (s < send) { | |
82 | if (tbl[*s] >= 0) | |
83 | matches++; | |
84 | s++; | |
85 | } | |
86 | ||
87 | return matches; | |
88 | } | |
89 | ||
942e002e | 90 | STATIC I32 |
4757a243 LW |
91 | do_trans_CC_complex(SV *sv) |
92 | { | |
93 | dTHR; | |
94 | U8 *s; | |
95 | U8 *send; | |
96 | U8 *d; | |
97 | I32 matches = 0; | |
98 | STRLEN len; | |
99 | short *tbl; | |
100 | I32 ch; | |
101 | ||
102 | tbl = (short*)cPVOP->op_pv; | |
103 | if (!tbl) | |
104 | croak("panic: do_trans"); | |
105 | ||
106 | s = (U8*)SvPV(sv, len); | |
107 | send = s + len; | |
108 | ||
109 | d = s; | |
110 | if (PL_op->op_private & OPpTRANS_SQUASH) { | |
111 | U8* p = send; | |
112 | ||
113 | while (s < send) { | |
114 | if ((ch = tbl[*s]) >= 0) { | |
115 | *d = ch; | |
116 | matches++; | |
117 | if (p == d - 1 && *p == *d) | |
118 | matches--; | |
a0ed51b3 | 119 | else |
4757a243 | 120 | p = d++; |
a0ed51b3 | 121 | } |
4757a243 LW |
122 | else if (ch == -1) /* -1 is unmapped character */ |
123 | *d++ = *s; /* -2 is delete character */ | |
124 | s++; | |
a0ed51b3 | 125 | } |
4757a243 LW |
126 | } |
127 | else { | |
128 | while (s < send) { | |
129 | if ((ch = tbl[*s]) >= 0) { | |
130 | *d = ch; | |
131 | matches++; | |
132 | d++; | |
a0ed51b3 | 133 | } |
4757a243 LW |
134 | else if (ch == -1) /* -1 is unmapped character */ |
135 | *d++ = *s; /* -2 is delete character */ | |
136 | s++; | |
5d06d08e | 137 | } |
4757a243 LW |
138 | } |
139 | matches += send - d; /* account for disappeared chars */ | |
140 | *d = '\0'; | |
141 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); | |
142 | SvSETMAGIC(sv); | |
143 | ||
144 | return matches; | |
145 | } | |
146 | ||
942e002e | 147 | STATIC I32 |
4757a243 LW |
148 | do_trans_UU_simple(SV *sv) |
149 | { | |
150 | dTHR; | |
151 | U8 *s; | |
152 | U8 *send; | |
153 | U8 *d; | |
154 | I32 matches = 0; | |
155 | STRLEN len; | |
156 | ||
157 | SV* rv = (SV*)cSVOP->op_sv; | |
158 | HV* hv = (HV*)SvRV(rv); | |
159 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
160 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
161 | UV extra = none + 1; | |
162 | UV final; | |
163 | UV uv; | |
164 | ||
165 | s = (U8*)SvPV(sv, len); | |
166 | send = s + len; | |
167 | ||
168 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
169 | if (svp) | |
170 | final = SvUV(*svp); | |
171 | ||
172 | d = s; | |
173 | while (s < send) { | |
174 | if ((uv = swash_fetch(rv, s)) < none) { | |
175 | s += UTF8SKIP(s); | |
176 | matches++; | |
177 | d = uv_to_utf8(d, uv); | |
178 | } | |
179 | else if (uv == none) { | |
180 | int i; | |
181 | for (i = UTF8SKIP(s); i; i--) | |
182 | *d++ = *s++; | |
183 | } | |
184 | else if (uv == extra) { | |
185 | s += UTF8SKIP(s); | |
186 | matches++; | |
187 | d = uv_to_utf8(d, final); | |
188 | } | |
189 | else | |
190 | s += UTF8SKIP(s); | |
191 | } | |
192 | *d = '\0'; | |
193 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); | |
194 | SvSETMAGIC(sv); | |
195 | ||
196 | return matches; | |
197 | } | |
198 | ||
942e002e | 199 | STATIC I32 |
4757a243 LW |
200 | do_trans_UU_count(SV *sv) |
201 | { | |
202 | dTHR; | |
203 | U8 *s; | |
204 | U8 *send; | |
205 | I32 matches = 0; | |
206 | STRLEN len; | |
207 | ||
208 | SV* rv = (SV*)cSVOP->op_sv; | |
209 | HV* hv = (HV*)SvRV(rv); | |
210 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
211 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
212 | UV uv; | |
213 | ||
214 | s = (U8*)SvPV(sv, len); | |
215 | send = s + len; | |
216 | ||
217 | while (s < send) { | |
834a4ddd | 218 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 | 219 | matches++; |
834a4ddd | 220 | s += UTF8SKIP(s); |
4757a243 LW |
221 | } |
222 | ||
223 | return matches; | |
224 | } | |
225 | ||
942e002e | 226 | STATIC I32 |
4757a243 LW |
227 | do_trans_UC_simple(SV *sv) |
228 | { | |
229 | dTHR; | |
230 | U8 *s; | |
231 | U8 *send; | |
232 | U8 *d; | |
233 | I32 matches = 0; | |
234 | STRLEN len; | |
235 | ||
236 | SV* rv = (SV*)cSVOP->op_sv; | |
237 | HV* hv = (HV*)SvRV(rv); | |
238 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
239 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
240 | UV extra = none + 1; | |
241 | UV final; | |
242 | UV uv; | |
243 | ||
244 | s = (U8*)SvPV(sv, len); | |
245 | send = s + len; | |
246 | ||
247 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
248 | if (svp) | |
249 | final = SvUV(*svp); | |
250 | ||
251 | d = s; | |
252 | while (s < send) { | |
253 | if ((uv = swash_fetch(rv, s)) < none) { | |
254 | s += UTF8SKIP(s); | |
255 | matches++; | |
256 | *d++ = (U8)uv; | |
257 | } | |
258 | else if (uv == none) { | |
259 | I32 ulen; | |
260 | uv = utf8_to_uv(s, &ulen); | |
261 | s += ulen; | |
262 | *d++ = (U8)uv; | |
263 | } | |
264 | else if (uv == extra) { | |
265 | s += UTF8SKIP(s); | |
266 | matches++; | |
267 | *d++ = (U8)final; | |
268 | } | |
269 | else | |
270 | s += UTF8SKIP(s); | |
271 | } | |
272 | *d = '\0'; | |
273 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); | |
274 | SvSETMAGIC(sv); | |
275 | ||
276 | return matches; | |
277 | } | |
278 | ||
942e002e | 279 | STATIC I32 |
4757a243 LW |
280 | do_trans_CU_simple(SV *sv) |
281 | { | |
282 | dTHR; | |
283 | U8 *s; | |
284 | U8 *send; | |
285 | U8 *d; | |
286 | U8 *dst; | |
287 | I32 matches = 0; | |
288 | STRLEN len; | |
289 | ||
290 | SV* rv = (SV*)cSVOP->op_sv; | |
291 | HV* hv = (HV*)SvRV(rv); | |
292 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
293 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
294 | UV extra = none + 1; | |
295 | UV final; | |
296 | UV uv; | |
297 | U8 tmpbuf[10]; | |
298 | I32 bits = 16; | |
299 | ||
300 | s = (U8*)SvPV(sv, len); | |
301 | send = s + len; | |
302 | ||
303 | svp = hv_fetch(hv, "BITS", 4, FALSE); | |
304 | if (svp) | |
305 | bits = (I32)SvIV(*svp); | |
306 | ||
307 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
308 | if (svp) | |
309 | final = SvUV(*svp); | |
310 | ||
311 | Newz(801, d, len * (bits >> 3) + 1, U8); | |
312 | dst = d; | |
313 | ||
314 | while (s < send) { | |
315 | uv = *s++; | |
316 | if (uv < 0x80) | |
317 | tmpbuf[0] = uv; | |
318 | else { | |
319 | tmpbuf[0] = (( uv >> 6) | 0xc0); | |
320 | tmpbuf[1] = (( uv & 0x3f) | 0x80); | |
a0ed51b3 | 321 | } |
4757a243 LW |
322 | |
323 | if ((uv = swash_fetch(rv, tmpbuf)) < none) { | |
324 | matches++; | |
325 | d = uv_to_utf8(d, uv); | |
326 | } | |
327 | else if (uv == none) | |
328 | d = uv_to_utf8(d, s[-1]); | |
329 | else if (uv == extra) { | |
330 | matches++; | |
331 | d = uv_to_utf8(d, final); | |
332 | } | |
333 | } | |
334 | *d = '\0'; | |
335 | sv_usepvn_mg(sv, (char*)dst, d - dst); | |
336 | ||
337 | return matches; | |
338 | } | |
339 | ||
340 | /* utf-8 to latin-1 */ | |
341 | ||
942e002e | 342 | STATIC I32 |
4757a243 LW |
343 | do_trans_UC_trivial(SV *sv) |
344 | { | |
345 | dTHR; | |
346 | U8 *s; | |
347 | U8 *send; | |
348 | U8 *d; | |
349 | STRLEN len; | |
350 | ||
351 | s = (U8*)SvPV(sv, len); | |
352 | send = s + len; | |
353 | ||
354 | d = s; | |
355 | while (s < send) { | |
356 | if (*s < 0x80) | |
357 | *d++ = *s++; | |
a0ed51b3 | 358 | else { |
4757a243 LW |
359 | I32 ulen; |
360 | UV uv = utf8_to_uv(s, &ulen); | |
361 | s += ulen; | |
362 | *d++ = (U8)uv; | |
363 | } | |
364 | } | |
365 | *d = '\0'; | |
366 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); | |
367 | SvSETMAGIC(sv); | |
a0ed51b3 | 368 | |
4757a243 LW |
369 | return SvCUR(sv); |
370 | } | |
a0ed51b3 | 371 | |
4757a243 | 372 | /* latin-1 to utf-8 */ |
a0ed51b3 | 373 | |
942e002e | 374 | STATIC I32 |
4757a243 LW |
375 | do_trans_CU_trivial(SV *sv) |
376 | { | |
377 | dTHR; | |
378 | U8 *s; | |
379 | U8 *send; | |
380 | U8 *d; | |
381 | U8 *dst; | |
382 | I32 matches; | |
383 | STRLEN len; | |
a0ed51b3 | 384 | |
4757a243 LW |
385 | s = (U8*)SvPV(sv, len); |
386 | send = s + len; | |
387 | ||
388 | Newz(801, d, len * 2 + 1, U8); | |
389 | dst = d; | |
390 | ||
391 | matches = send - s; | |
392 | ||
393 | while (s < send) { | |
394 | if (*s < 0x80) | |
395 | *d++ = *s++; | |
396 | else { | |
397 | UV uv = *s++; | |
398 | *d++ = (( uv >> 6) | 0xc0); | |
399 | *d++ = (( uv & 0x3f) | 0x80); | |
400 | } | |
401 | } | |
402 | *d = '\0'; | |
403 | sv_usepvn_mg(sv, (char*)dst, d - dst); | |
404 | ||
405 | return matches; | |
406 | } | |
407 | ||
942e002e | 408 | STATIC I32 |
4757a243 LW |
409 | do_trans_UU_complex(SV *sv) |
410 | { | |
411 | dTHR; | |
412 | U8 *s; | |
413 | U8 *send; | |
414 | U8 *d; | |
415 | I32 matches = 0; | |
416 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; | |
417 | I32 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF; | |
418 | I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF; | |
419 | I32 del = PL_op->op_private & OPpTRANS_DELETE; | |
420 | SV* rv = (SV*)cSVOP->op_sv; | |
421 | HV* hv = (HV*)SvRV(rv); | |
422 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
423 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
424 | UV extra = none + 1; | |
425 | UV final; | |
426 | UV uv; | |
427 | STRLEN len; | |
428 | U8 *dst; | |
429 | ||
430 | s = (U8*)SvPV(sv, len); | |
431 | send = s + len; | |
432 | ||
433 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
434 | if (svp) | |
435 | final = SvUV(*svp); | |
436 | ||
437 | if (PL_op->op_private & OPpTRANS_GROWS) { | |
438 | I32 bits = 16; | |
439 | ||
440 | svp = hv_fetch(hv, "BITS", 4, FALSE); | |
441 | if (svp) | |
442 | bits = (I32)SvIV(*svp); | |
443 | ||
444 | Newz(801, d, len * (bits >> 3) + 1, U8); | |
445 | dst = d; | |
446 | } | |
447 | else { | |
448 | d = s; | |
449 | dst = 0; | |
450 | } | |
451 | ||
452 | if (squash) { | |
453 | UV puv = 0xfeedface; | |
454 | while (s < send) { | |
455 | if (from_utf) { | |
456 | uv = swash_fetch(rv, s); | |
a0ed51b3 LW |
457 | } |
458 | else { | |
4757a243 LW |
459 | U8 tmpbuf[2]; |
460 | uv = *s++; | |
461 | if (uv < 0x80) | |
462 | tmpbuf[0] = uv; | |
463 | else { | |
464 | tmpbuf[0] = (( uv >> 6) | 0xc0); | |
465 | tmpbuf[1] = (( uv & 0x3f) | 0x80); | |
466 | } | |
467 | uv = swash_fetch(rv, tmpbuf); | |
468 | } | |
469 | if (uv < none) { | |
470 | matches++; | |
471 | if (uv != puv) { | |
472 | if (uv >= 0x80 && to_utf) | |
473 | d = uv_to_utf8(d, uv); | |
474 | else | |
475 | *d++ = (U8)uv; | |
476 | puv = uv; | |
477 | } | |
478 | if (from_utf) | |
479 | s += UTF8SKIP(s); | |
480 | continue; | |
481 | } | |
482 | else if (uv == none) { /* "none" is unmapped character */ | |
483 | if (from_utf) { | |
484 | if (*s < 0x80) | |
485 | *d++ = *s++; | |
486 | else if (to_utf) { | |
a0ed51b3 | 487 | int i; |
4757a243 LW |
488 | for (i = UTF8SKIP(s); i; --i) |
489 | *d++ = *s++; | |
a0ed51b3 | 490 | } |
4757a243 LW |
491 | else { |
492 | I32 ulen; | |
493 | *d++ = (U8)utf8_to_uv(s, &ulen); | |
494 | s += ulen; | |
a0ed51b3 | 495 | } |
a0ed51b3 | 496 | } |
4757a243 LW |
497 | else { /* must be to_utf only */ |
498 | d = uv_to_utf8(d, s[-1]); | |
499 | } | |
500 | puv = 0xfeedface; | |
501 | continue; | |
a0ed51b3 | 502 | } |
4757a243 LW |
503 | else if (uv == extra && !del) { |
504 | matches++; | |
505 | if (uv != puv) { | |
506 | if (final >= 0x80 && to_utf) | |
507 | d = uv_to_utf8(d, final); | |
508 | else | |
509 | *d++ = (U8)final; | |
510 | puv = final; | |
511 | } | |
512 | if (from_utf) | |
513 | s += UTF8SKIP(s); | |
514 | continue; | |
515 | } | |
516 | matches++; /* "none+1" is delete character */ | |
517 | if (from_utf) | |
518 | s += UTF8SKIP(s); | |
a0ed51b3 | 519 | } |
79072805 LW |
520 | } |
521 | else { | |
4757a243 LW |
522 | while (s < send) { |
523 | if (from_utf) { | |
524 | uv = swash_fetch(rv, s); | |
525 | } | |
526 | else { | |
527 | U8 tmpbuf[2]; | |
528 | uv = *s++; | |
529 | if (uv < 0x80) | |
530 | tmpbuf[0] = uv; | |
531 | else { | |
532 | tmpbuf[0] = (( uv >> 6) | 0xc0); | |
533 | tmpbuf[1] = (( uv & 0x3f) | 0x80); | |
a0ed51b3 | 534 | } |
4757a243 | 535 | uv = swash_fetch(rv, tmpbuf); |
a0ed51b3 | 536 | } |
4757a243 LW |
537 | if (uv < none) { |
538 | matches++; | |
539 | if (uv >= 0x80 && to_utf) | |
540 | d = uv_to_utf8(d, uv); | |
541 | else | |
542 | *d++ = (U8)uv; | |
543 | if (from_utf) | |
544 | s += UTF8SKIP(s); | |
545 | continue; | |
a0ed51b3 | 546 | } |
4757a243 LW |
547 | else if (uv == none) { /* "none" is unmapped character */ |
548 | if (from_utf) { | |
549 | if (*s < 0x80) | |
550 | *d++ = *s++; | |
551 | else if (to_utf) { | |
552 | int i; | |
553 | for (i = UTF8SKIP(s); i; --i) | |
554 | *d++ = *s++; | |
555 | } | |
556 | else { | |
557 | I32 ulen; | |
558 | *d++ = (U8)utf8_to_uv(s, &ulen); | |
559 | s += ulen; | |
a0ed51b3 | 560 | } |
79072805 | 561 | } |
4757a243 LW |
562 | else { /* must be to_utf only */ |
563 | d = uv_to_utf8(d, s[-1]); | |
564 | } | |
565 | continue; | |
79072805 | 566 | } |
4757a243 LW |
567 | else if (uv == extra && !del) { |
568 | matches++; | |
569 | if (final >= 0x80 && to_utf) | |
570 | d = uv_to_utf8(d, final); | |
571 | else | |
572 | *d++ = (U8)final; | |
573 | if (from_utf) | |
574 | s += UTF8SKIP(s); | |
575 | continue; | |
576 | } | |
577 | matches++; /* "none+1" is delete character */ | |
578 | if (from_utf) | |
579 | s += UTF8SKIP(s); | |
79072805 | 580 | } |
4757a243 LW |
581 | } |
582 | if (dst) | |
583 | sv_usepvn(sv, (char*)dst, d - dst); | |
584 | else { | |
585 | *d = '\0'; | |
586 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); | |
587 | } | |
588 | SvSETMAGIC(sv); | |
589 | ||
590 | return matches; | |
591 | } | |
592 | ||
593 | I32 | |
594 | do_trans(SV *sv) | |
595 | { | |
46124e9e | 596 | dTHR; |
4757a243 LW |
597 | STRLEN len; |
598 | ||
599 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) | |
22c35a8c | 600 | croak(PL_no_modify); |
4757a243 LW |
601 | |
602 | (void)SvPV(sv, len); | |
603 | if (!len) | |
604 | return 0; | |
605 | if (!SvPOKp(sv)) | |
606 | (void)SvPV_force(sv, len); | |
607 | (void)SvPOK_only(sv); | |
608 | ||
609 | DEBUG_t( deb("2.TBL\n")); | |
610 | ||
611 | switch (PL_op->op_private & 63) { | |
612 | case 0: | |
613 | return do_trans_CC_simple(sv); | |
614 | ||
615 | case OPpTRANS_FROM_UTF: | |
616 | return do_trans_UC_simple(sv); | |
617 | ||
618 | case OPpTRANS_TO_UTF: | |
619 | return do_trans_CU_simple(sv); | |
620 | ||
621 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF: | |
622 | return do_trans_UU_simple(sv); | |
623 | ||
624 | case OPpTRANS_IDENTICAL: | |
625 | return do_trans_CC_count(sv); | |
626 | ||
627 | case OPpTRANS_FROM_UTF|OPpTRANS_IDENTICAL: | |
628 | return do_trans_UC_trivial(sv); | |
629 | ||
630 | case OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: | |
631 | return do_trans_CU_trivial(sv); | |
632 | ||
633 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: | |
634 | return do_trans_UU_count(sv); | |
635 | ||
636 | default: | |
637 | if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) | |
638 | return do_trans_UU_complex(sv); /* could be UC or CU too */ | |
639 | else | |
640 | return do_trans_CC_complex(sv); | |
79072805 | 641 | } |
79072805 LW |
642 | } |
643 | ||
644 | void | |
8ac85365 | 645 | do_join(register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 LW |
646 | { |
647 | SV **oldmark = mark; | |
648 | register I32 items = sp - mark; | |
79072805 | 649 | register STRLEN len; |
463ee0b2 LW |
650 | STRLEN delimlen; |
651 | register char *delim = SvPV(del, delimlen); | |
652 | STRLEN tmplen; | |
79072805 LW |
653 | |
654 | mark++; | |
655 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
07f14f54 | 656 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 LW |
657 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
658 | while (items-- > 0) { | |
48c036b1 | 659 | if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) { |
463ee0b2 LW |
660 | SvPV(*mark, tmplen); |
661 | len += tmplen; | |
79072805 LW |
662 | } |
663 | mark++; | |
664 | } | |
665 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
666 | ||
667 | mark = oldmark; | |
668 | items = sp - mark;; | |
669 | ++mark; | |
670 | } | |
671 | ||
463ee0b2 | 672 | if (items-- > 0) { |
8990e307 LW |
673 | char *s; |
674 | ||
675 | if (*mark) { | |
676 | s = SvPV(*mark, tmplen); | |
677 | sv_setpvn(sv, s, tmplen); | |
678 | } | |
679 | else | |
680 | sv_setpv(sv, ""); | |
463ee0b2 LW |
681 | mark++; |
682 | } | |
79072805 LW |
683 | else |
684 | sv_setpv(sv,""); | |
685 | len = delimlen; | |
686 | if (len) { | |
687 | for (; items > 0; items--,mark++) { | |
688 | sv_catpvn(sv,delim,len); | |
689 | sv_catsv(sv,*mark); | |
690 | } | |
691 | } | |
692 | else { | |
693 | for (; items > 0; items--,mark++) | |
694 | sv_catsv(sv,*mark); | |
695 | } | |
696 | SvSETMAGIC(sv); | |
697 | } | |
698 | ||
699 | void | |
8ac85365 | 700 | do_sprintf(SV *sv, I32 len, SV **sarg) |
79072805 | 701 | { |
46fc3d4c | 702 | STRLEN patlen; |
703 | char *pat = SvPV(*sarg, patlen); | |
704 | bool do_taint = FALSE; | |
705 | ||
706 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); | |
79072805 | 707 | SvSETMAGIC(sv); |
46fc3d4c | 708 | if (do_taint) |
709 | SvTAINTED_on(sv); | |
79072805 LW |
710 | } |
711 | ||
712 | void | |
8ac85365 | 713 | do_vecset(SV *sv) |
79072805 LW |
714 | { |
715 | SV *targ = LvTARG(sv); | |
716 | register I32 offset; | |
717 | register I32 size; | |
8990e307 LW |
718 | register unsigned char *s; |
719 | register unsigned long lval; | |
79072805 | 720 | I32 mask; |
a0d0e21e LW |
721 | STRLEN targlen; |
722 | STRLEN len; | |
79072805 | 723 | |
8990e307 LW |
724 | if (!targ) |
725 | return; | |
a0d0e21e | 726 | s = (unsigned char*)SvPV_force(targ, targlen); |
8990e307 | 727 | lval = U_L(SvNV(sv)); |
79072805 LW |
728 | offset = LvTARGOFF(sv); |
729 | size = LvTARGLEN(sv); | |
a0d0e21e LW |
730 | |
731 | len = (offset + size + 7) / 8; | |
732 | if (len > targlen) { | |
733 | s = (unsigned char*)SvGROW(targ, len + 1); | |
734 | (void)memzero(s + targlen, len - targlen + 1); | |
735 | SvCUR_set(targ, len); | |
736 | } | |
737 | ||
79072805 LW |
738 | if (size < 8) { |
739 | mask = (1 << size) - 1; | |
740 | size = offset & 7; | |
741 | lval &= mask; | |
742 | offset >>= 3; | |
743 | s[offset] &= ~(mask << size); | |
744 | s[offset] |= lval << size; | |
745 | } | |
746 | else { | |
a0d0e21e | 747 | offset >>= 3; |
79072805 LW |
748 | if (size == 8) |
749 | s[offset] = lval & 255; | |
750 | else if (size == 16) { | |
751 | s[offset] = (lval >> 8) & 255; | |
752 | s[offset+1] = lval & 255; | |
753 | } | |
754 | else if (size == 32) { | |
755 | s[offset] = (lval >> 24) & 255; | |
756 | s[offset+1] = (lval >> 16) & 255; | |
757 | s[offset+2] = (lval >> 8) & 255; | |
758 | s[offset+3] = lval & 255; | |
759 | } | |
760 | } | |
761 | } | |
762 | ||
763 | void | |
8ac85365 | 764 | do_chop(register SV *astr, register SV *sv) |
79072805 | 765 | { |
463ee0b2 | 766 | STRLEN len; |
a0d0e21e | 767 | char *s; |
c485e607 | 768 | dTHR; |
a0d0e21e | 769 | |
79072805 | 770 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e LW |
771 | register I32 i; |
772 | I32 max; | |
773 | AV* av = (AV*)sv; | |
774 | max = AvFILL(av); | |
775 | for (i = 0; i <= max; i++) { | |
776 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 777 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
778 | do_chop(astr, sv); |
779 | } | |
780 | return; | |
79072805 LW |
781 | } |
782 | if (SvTYPE(sv) == SVt_PVHV) { | |
a0d0e21e LW |
783 | HV* hv = (HV*)sv; |
784 | HE* entry; | |
785 | (void)hv_iterinit(hv); | |
786 | /*SUPPRESS 560*/ | |
787 | while (entry = hv_iternext(hv)) | |
788 | do_chop(astr,hv_iterval(hv,entry)); | |
789 | return; | |
79072805 | 790 | } |
a0d0e21e | 791 | s = SvPV(sv, len); |
748a9306 | 792 | if (len && !SvPOK(sv)) |
a0d0e21e | 793 | s = SvPV_force(sv, len); |
a0ed51b3 LW |
794 | if (IN_UTF8) { |
795 | if (s && len) { | |
796 | char *send = s + len; | |
797 | char *start = s; | |
798 | s = send - 1; | |
799 | while ((*s & 0xc0) == 0x80) | |
800 | --s; | |
801 | if (UTF8SKIP(s) != send - s) | |
802 | warn("Malformed UTF-8 character"); | |
803 | sv_setpvn(astr, s, send - s); | |
804 | *s = '\0'; | |
805 | SvCUR_set(sv, s - start); | |
806 | SvNIOK_off(sv); | |
807 | } | |
808 | else | |
809 | sv_setpvn(astr, "", 0); | |
810 | } | |
811 | else | |
a0d0e21e LW |
812 | if (s && len) { |
813 | s += --len; | |
814 | sv_setpvn(astr, s, 1); | |
815 | *s = '\0'; | |
816 | SvCUR_set(sv, len); | |
817 | SvNIOK_off(sv); | |
79072805 LW |
818 | } |
819 | else | |
a0d0e21e LW |
820 | sv_setpvn(astr, "", 0); |
821 | SvSETMAGIC(sv); | |
822 | } | |
823 | ||
824 | I32 | |
8ac85365 | 825 | do_chomp(register SV *sv) |
a0d0e21e | 826 | { |
aeea060c | 827 | dTHR; |
c07a80fd | 828 | register I32 count; |
a0d0e21e LW |
829 | STRLEN len; |
830 | char *s; | |
c07a80fd | 831 | |
3280af22 | 832 | if (RsSNARF(PL_rs)) |
c07a80fd | 833 | return 0; |
834 | count = 0; | |
a0d0e21e LW |
835 | if (SvTYPE(sv) == SVt_PVAV) { |
836 | register I32 i; | |
837 | I32 max; | |
838 | AV* av = (AV*)sv; | |
839 | max = AvFILL(av); | |
840 | for (i = 0; i <= max; i++) { | |
841 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 842 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
843 | count += do_chomp(sv); |
844 | } | |
845 | return count; | |
846 | } | |
847 | if (SvTYPE(sv) == SVt_PVHV) { | |
848 | HV* hv = (HV*)sv; | |
849 | HE* entry; | |
850 | (void)hv_iterinit(hv); | |
851 | /*SUPPRESS 560*/ | |
852 | while (entry = hv_iternext(hv)) | |
853 | count += do_chomp(hv_iterval(hv,entry)); | |
854 | return count; | |
855 | } | |
856 | s = SvPV(sv, len); | |
857 | if (len && !SvPOKp(sv)) | |
858 | s = SvPV_force(sv, len); | |
859 | if (s && len) { | |
860 | s += --len; | |
3280af22 | 861 | if (RsPARA(PL_rs)) { |
a0d0e21e LW |
862 | if (*s != '\n') |
863 | goto nope; | |
864 | ++count; | |
865 | while (len && s[-1] == '\n') { | |
866 | --len; | |
867 | --s; | |
868 | ++count; | |
869 | } | |
870 | } | |
a0d0e21e | 871 | else { |
c07a80fd | 872 | STRLEN rslen; |
3280af22 | 873 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd | 874 | if (rslen == 1) { |
875 | if (*s != *rsptr) | |
876 | goto nope; | |
877 | ++count; | |
878 | } | |
879 | else { | |
8c2cee6f | 880 | if (len < rslen - 1) |
c07a80fd | 881 | goto nope; |
882 | len -= rslen - 1; | |
883 | s -= rslen - 1; | |
36477c24 | 884 | if (memNE(s, rsptr, rslen)) |
c07a80fd | 885 | goto nope; |
886 | count += rslen; | |
887 | } | |
a0d0e21e | 888 | } |
a0d0e21e LW |
889 | *s = '\0'; |
890 | SvCUR_set(sv, len); | |
891 | SvNIOK_off(sv); | |
892 | } | |
893 | nope: | |
894 | SvSETMAGIC(sv); | |
895 | return count; | |
896 | } | |
79072805 LW |
897 | |
898 | void | |
8ac85365 | 899 | do_vop(I32 optype, SV *sv, SV *left, SV *right) |
79072805 | 900 | { |
aeea060c | 901 | dTHR; /* just for taint */ |
79072805 LW |
902 | #ifdef LIBERAL |
903 | register long *dl; | |
904 | register long *ll; | |
905 | register long *rl; | |
906 | #endif | |
907 | register char *dc; | |
463ee0b2 LW |
908 | STRLEN leftlen; |
909 | STRLEN rightlen; | |
7a4c00b4 | 910 | register char *lc; |
911 | register char *rc; | |
79072805 | 912 | register I32 len; |
a0d0e21e | 913 | I32 lensave; |
7a4c00b4 | 914 | char *lsave; |
915 | char *rsave; | |
79072805 | 916 | |
1fbd88dc CS |
917 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
918 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ | |
7a4c00b4 | 919 | lsave = lc = SvPV(left, leftlen); |
920 | rsave = rc = SvPV(right, rightlen); | |
93a17b20 | 921 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e | 922 | lensave = len; |
7a4c00b4 | 923 | if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
2d8e6c8d GS |
924 | STRLEN n_a; |
925 | dc = SvPV_force(sv, n_a); | |
ff68c719 | 926 | if (SvCUR(sv) < len) { |
927 | dc = SvGROW(sv, len + 1); | |
928 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); | |
929 | } | |
930 | } | |
931 | else { | |
932 | I32 needlen = ((optype == OP_BIT_AND) | |
933 | ? len : (leftlen > rightlen ? leftlen : rightlen)); | |
934 | Newz(801, dc, needlen + 1, char); | |
935 | (void)sv_usepvn(sv, dc, needlen); | |
936 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ | |
79072805 | 937 | } |
a0d0e21e LW |
938 | SvCUR_set(sv, len); |
939 | (void)SvPOK_only(sv); | |
79072805 LW |
940 | #ifdef LIBERAL |
941 | if (len >= sizeof(long)*4 && | |
942 | !((long)dc % sizeof(long)) && | |
943 | !((long)lc % sizeof(long)) && | |
944 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ | |
945 | { | |
946 | I32 remainder = len % (sizeof(long)*4); | |
947 | len /= (sizeof(long)*4); | |
948 | ||
949 | dl = (long*)dc; | |
950 | ll = (long*)lc; | |
951 | rl = (long*)rc; | |
952 | ||
953 | switch (optype) { | |
954 | case OP_BIT_AND: | |
955 | while (len--) { | |
956 | *dl++ = *ll++ & *rl++; | |
957 | *dl++ = *ll++ & *rl++; | |
958 | *dl++ = *ll++ & *rl++; | |
959 | *dl++ = *ll++ & *rl++; | |
960 | } | |
961 | break; | |
a0d0e21e | 962 | case OP_BIT_XOR: |
79072805 LW |
963 | while (len--) { |
964 | *dl++ = *ll++ ^ *rl++; | |
965 | *dl++ = *ll++ ^ *rl++; | |
966 | *dl++ = *ll++ ^ *rl++; | |
967 | *dl++ = *ll++ ^ *rl++; | |
968 | } | |
969 | break; | |
970 | case OP_BIT_OR: | |
971 | while (len--) { | |
972 | *dl++ = *ll++ | *rl++; | |
973 | *dl++ = *ll++ | *rl++; | |
974 | *dl++ = *ll++ | *rl++; | |
975 | *dl++ = *ll++ | *rl++; | |
976 | } | |
977 | } | |
978 | ||
979 | dc = (char*)dl; | |
980 | lc = (char*)ll; | |
981 | rc = (char*)rl; | |
982 | ||
983 | len = remainder; | |
984 | } | |
985 | #endif | |
a0d0e21e | 986 | { |
a0d0e21e LW |
987 | switch (optype) { |
988 | case OP_BIT_AND: | |
989 | while (len--) | |
990 | *dc++ = *lc++ & *rc++; | |
991 | break; | |
992 | case OP_BIT_XOR: | |
993 | while (len--) | |
994 | *dc++ = *lc++ ^ *rc++; | |
995 | goto mop_up; | |
996 | case OP_BIT_OR: | |
997 | while (len--) | |
998 | *dc++ = *lc++ | *rc++; | |
999 | mop_up: | |
1000 | len = lensave; | |
1001 | if (rightlen > len) | |
1002 | sv_catpvn(sv, rsave + len, rightlen - len); | |
1003 | else if (leftlen > len) | |
1004 | sv_catpvn(sv, lsave + len, leftlen - len); | |
4633a7c4 LW |
1005 | else |
1006 | *SvEND(sv) = '\0'; | |
a0d0e21e LW |
1007 | break; |
1008 | } | |
79072805 | 1009 | } |
fb73857a | 1010 | SvTAINT(sv); |
79072805 | 1011 | } |
463ee0b2 LW |
1012 | |
1013 | OP * | |
8ac85365 | 1014 | do_kv(ARGSproto) |
463ee0b2 | 1015 | { |
4e35701f | 1016 | djSP; |
463ee0b2 | 1017 | HV *hv = (HV*)POPs; |
800e9ae0 | 1018 | HV *keys; |
463ee0b2 | 1019 | register HE *entry; |
463ee0b2 | 1020 | SV *tmpstr; |
54310121 | 1021 | I32 gimme = GIMME_V; |
533c011a NIS |
1022 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1023 | I32 dovalues = (PL_op->op_type == OP_VALUES); | |
c750a3ec MB |
1024 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
1025 | ||
533c011a | 1026 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e | 1027 | dokeys = dovalues = TRUE; |
463ee0b2 | 1028 | |
85581909 | 1029 | if (!hv) { |
533c011a | 1030 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1031 | dTARGET; /* make sure to clear its target here */ |
1032 | if (SvTYPE(TARG) == SVt_PVLV) | |
1033 | LvTARG(TARG) = Nullsv; | |
1034 | PUSHs(TARG); | |
1035 | } | |
463ee0b2 | 1036 | RETURN; |
85581909 | 1037 | } |
748a9306 | 1038 | |
800e9ae0 JP |
1039 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1040 | (void)hv_iterinit(keys); /* always reset iterator regardless */ | |
748a9306 | 1041 | |
54310121 | 1042 | if (gimme == G_VOID) |
aa689395 | 1043 | RETURN; |
1044 | ||
54310121 | 1045 | if (gimme == G_SCALAR) { |
6ee623d5 | 1046 | IV i; |
463ee0b2 LW |
1047 | dTARGET; |
1048 | ||
533c011a | 1049 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1050 | if (SvTYPE(TARG) < SVt_PVLV) { |
1051 | sv_upgrade(TARG, SVt_PVLV); | |
1052 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); | |
1053 | } | |
1054 | LvTYPE(TARG) = 'k'; | |
800e9ae0 | 1055 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 GS |
1056 | if (LvTARG(TARG)) |
1057 | SvREFCNT_dec(LvTARG(TARG)); | |
800e9ae0 | 1058 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 | 1059 | } |
85581909 SB |
1060 | PUSHs(TARG); |
1061 | RETURN; | |
1062 | } | |
1063 | ||
33c27489 | 1064 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 | 1065 | i = HvKEYS(keys); |
463ee0b2 LW |
1066 | else { |
1067 | i = 0; | |
463ee0b2 | 1068 | /*SUPPRESS 560*/ |
800e9ae0 | 1069 | while (hv_iternext(keys)) i++; |
463ee0b2 LW |
1070 | } |
1071 | PUSHi( i ); | |
1072 | RETURN; | |
1073 | } | |
1074 | ||
8ed4b672 | 1075 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 | 1076 | |
463ee0b2 | 1077 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
800e9ae0 | 1078 | while (entry = hv_iternext(keys)) { |
463ee0b2 | 1079 | SPAGAIN; |
8c2cee6f | 1080 | if (dokeys) |
1081 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ | |
463ee0b2 | 1082 | if (dovalues) { |
463ee0b2 | 1083 | PUTBACK; |
b6429b1b GS |
1084 | tmpstr = realhv ? |
1085 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); | |
46fc3d4c | 1086 | DEBUG_H(sv_setpvf(tmpstr, "%lu%%%d=%lu", |
1087 | (unsigned long)HeHASH(entry), | |
800e9ae0 JP |
1088 | HvMAX(keys)+1, |
1089 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); | |
463ee0b2 | 1090 | SPAGAIN; |
46fc3d4c | 1091 | XPUSHs(tmpstr); |
463ee0b2 LW |
1092 | } |
1093 | PUTBACK; | |
1094 | } | |
1095 | return NORMAL; | |
1096 | } | |
4e35701f | 1097 |