Commit | Line | Data |
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1 | /* doop.c |
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2 | * |
9607fc9c |
3 | * Copyright (c) 1991-1997, Larry Wall |
79072805 |
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 | * |
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8 | */ |
9 | |
10 | /* |
11 | * "'So that was the job I felt I had to do when I started,' thought Sam." |
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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 |
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) |
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36 | { |
11343788 |
37 | dTHR; |
4757a243 |
38 | U8 *s; |
39 | U8 *send; |
40 | I32 matches = 0; |
463ee0b2 |
41 | STRLEN len; |
4757a243 |
42 | short *tbl; |
43 | I32 ch; |
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44 | |
4757a243 |
45 | tbl = (short*)cPVOP->op_pv; |
46 | if (!tbl) |
47 | croak("panic: do_trans"); |
a0ed51b3 |
48 | |
4757a243 |
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 | } |
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57 | s++; |
58 | } |
59 | SvSETMAGIC(sv); |
60 | |
61 | return matches; |
62 | } |
63 | |
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64 | STATIC I32 |
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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 | |
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90 | STATIC I32 |
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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--; |
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119 | else |
4757a243 |
120 | p = d++; |
a0ed51b3 |
121 | } |
4757a243 |
122 | else if (ch == -1) /* -1 is unmapped character */ |
123 | *d++ = *s; /* -2 is delete character */ |
124 | s++; |
a0ed51b3 |
125 | } |
4757a243 |
126 | } |
127 | else { |
128 | while (s < send) { |
129 | if ((ch = tbl[*s]) >= 0) { |
130 | *d = ch; |
131 | matches++; |
132 | d++; |
a0ed51b3 |
133 | } |
4757a243 |
134 | else if (ch == -1) /* -1 is unmapped character */ |
135 | *d++ = *s; /* -2 is delete character */ |
136 | s++; |
5d06d08e |
137 | } |
4757a243 |
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 | |
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147 | STATIC I32 |
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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 | |
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199 | STATIC I32 |
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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) { |
218 | if ((uv = swash_fetch(rv, s)) < none) { |
219 | s += UTF8SKIP(s); |
220 | matches++; |
221 | } |
222 | } |
223 | |
224 | return matches; |
225 | } |
226 | |
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227 | STATIC I32 |
4757a243 |
228 | do_trans_UC_simple(SV *sv) |
229 | { |
230 | dTHR; |
231 | U8 *s; |
232 | U8 *send; |
233 | U8 *d; |
234 | I32 matches = 0; |
235 | STRLEN len; |
236 | |
237 | SV* rv = (SV*)cSVOP->op_sv; |
238 | HV* hv = (HV*)SvRV(rv); |
239 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
240 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
241 | UV extra = none + 1; |
242 | UV final; |
243 | UV uv; |
244 | |
245 | s = (U8*)SvPV(sv, len); |
246 | send = s + len; |
247 | |
248 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
249 | if (svp) |
250 | final = SvUV(*svp); |
251 | |
252 | d = s; |
253 | while (s < send) { |
254 | if ((uv = swash_fetch(rv, s)) < none) { |
255 | s += UTF8SKIP(s); |
256 | matches++; |
257 | *d++ = (U8)uv; |
258 | } |
259 | else if (uv == none) { |
260 | I32 ulen; |
261 | uv = utf8_to_uv(s, &ulen); |
262 | s += ulen; |
263 | *d++ = (U8)uv; |
264 | } |
265 | else if (uv == extra) { |
266 | s += UTF8SKIP(s); |
267 | matches++; |
268 | *d++ = (U8)final; |
269 | } |
270 | else |
271 | s += UTF8SKIP(s); |
272 | } |
273 | *d = '\0'; |
274 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
275 | SvSETMAGIC(sv); |
276 | |
277 | return matches; |
278 | } |
279 | |
942e002e |
280 | STATIC I32 |
4757a243 |
281 | do_trans_CU_simple(SV *sv) |
282 | { |
283 | dTHR; |
284 | U8 *s; |
285 | U8 *send; |
286 | U8 *d; |
287 | U8 *dst; |
288 | I32 matches = 0; |
289 | STRLEN len; |
290 | |
291 | SV* rv = (SV*)cSVOP->op_sv; |
292 | HV* hv = (HV*)SvRV(rv); |
293 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
294 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
295 | UV extra = none + 1; |
296 | UV final; |
297 | UV uv; |
298 | U8 tmpbuf[10]; |
299 | I32 bits = 16; |
300 | |
301 | s = (U8*)SvPV(sv, len); |
302 | send = s + len; |
303 | |
304 | svp = hv_fetch(hv, "BITS", 4, FALSE); |
305 | if (svp) |
306 | bits = (I32)SvIV(*svp); |
307 | |
308 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
309 | if (svp) |
310 | final = SvUV(*svp); |
311 | |
312 | Newz(801, d, len * (bits >> 3) + 1, U8); |
313 | dst = d; |
314 | |
315 | while (s < send) { |
316 | uv = *s++; |
317 | if (uv < 0x80) |
318 | tmpbuf[0] = uv; |
319 | else { |
320 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
321 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
a0ed51b3 |
322 | } |
4757a243 |
323 | |
324 | if ((uv = swash_fetch(rv, tmpbuf)) < none) { |
325 | matches++; |
326 | d = uv_to_utf8(d, uv); |
327 | } |
328 | else if (uv == none) |
329 | d = uv_to_utf8(d, s[-1]); |
330 | else if (uv == extra) { |
331 | matches++; |
332 | d = uv_to_utf8(d, final); |
333 | } |
334 | } |
335 | *d = '\0'; |
336 | sv_usepvn_mg(sv, (char*)dst, d - dst); |
337 | |
338 | return matches; |
339 | } |
340 | |
341 | /* utf-8 to latin-1 */ |
342 | |
942e002e |
343 | STATIC I32 |
4757a243 |
344 | do_trans_UC_trivial(SV *sv) |
345 | { |
346 | dTHR; |
347 | U8 *s; |
348 | U8 *send; |
349 | U8 *d; |
350 | STRLEN len; |
351 | |
352 | s = (U8*)SvPV(sv, len); |
353 | send = s + len; |
354 | |
355 | d = s; |
356 | while (s < send) { |
357 | if (*s < 0x80) |
358 | *d++ = *s++; |
a0ed51b3 |
359 | else { |
4757a243 |
360 | I32 ulen; |
361 | UV uv = utf8_to_uv(s, &ulen); |
362 | s += ulen; |
363 | *d++ = (U8)uv; |
364 | } |
365 | } |
366 | *d = '\0'; |
367 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
368 | SvSETMAGIC(sv); |
a0ed51b3 |
369 | |
4757a243 |
370 | return SvCUR(sv); |
371 | } |
a0ed51b3 |
372 | |
4757a243 |
373 | /* latin-1 to utf-8 */ |
a0ed51b3 |
374 | |
942e002e |
375 | STATIC I32 |
4757a243 |
376 | do_trans_CU_trivial(SV *sv) |
377 | { |
378 | dTHR; |
379 | U8 *s; |
380 | U8 *send; |
381 | U8 *d; |
382 | U8 *dst; |
383 | I32 matches; |
384 | STRLEN len; |
a0ed51b3 |
385 | |
4757a243 |
386 | s = (U8*)SvPV(sv, len); |
387 | send = s + len; |
388 | |
389 | Newz(801, d, len * 2 + 1, U8); |
390 | dst = d; |
391 | |
392 | matches = send - s; |
393 | |
394 | while (s < send) { |
395 | if (*s < 0x80) |
396 | *d++ = *s++; |
397 | else { |
398 | UV uv = *s++; |
399 | *d++ = (( uv >> 6) | 0xc0); |
400 | *d++ = (( uv & 0x3f) | 0x80); |
401 | } |
402 | } |
403 | *d = '\0'; |
404 | sv_usepvn_mg(sv, (char*)dst, d - dst); |
405 | |
406 | return matches; |
407 | } |
408 | |
942e002e |
409 | STATIC I32 |
4757a243 |
410 | do_trans_UU_complex(SV *sv) |
411 | { |
412 | dTHR; |
413 | U8 *s; |
414 | U8 *send; |
415 | U8 *d; |
416 | I32 matches = 0; |
417 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
418 | I32 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF; |
419 | I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF; |
420 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
421 | SV* rv = (SV*)cSVOP->op_sv; |
422 | HV* hv = (HV*)SvRV(rv); |
423 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
424 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
425 | UV extra = none + 1; |
426 | UV final; |
427 | UV uv; |
428 | STRLEN len; |
429 | U8 *dst; |
430 | |
431 | s = (U8*)SvPV(sv, len); |
432 | send = s + len; |
433 | |
434 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
435 | if (svp) |
436 | final = SvUV(*svp); |
437 | |
438 | if (PL_op->op_private & OPpTRANS_GROWS) { |
439 | I32 bits = 16; |
440 | |
441 | svp = hv_fetch(hv, "BITS", 4, FALSE); |
442 | if (svp) |
443 | bits = (I32)SvIV(*svp); |
444 | |
445 | Newz(801, d, len * (bits >> 3) + 1, U8); |
446 | dst = d; |
447 | } |
448 | else { |
449 | d = s; |
450 | dst = 0; |
451 | } |
452 | |
453 | if (squash) { |
454 | UV puv = 0xfeedface; |
455 | while (s < send) { |
456 | if (from_utf) { |
457 | uv = swash_fetch(rv, s); |
a0ed51b3 |
458 | } |
459 | else { |
4757a243 |
460 | U8 tmpbuf[2]; |
461 | uv = *s++; |
462 | if (uv < 0x80) |
463 | tmpbuf[0] = uv; |
464 | else { |
465 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
466 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
467 | } |
468 | uv = swash_fetch(rv, tmpbuf); |
469 | } |
470 | if (uv < none) { |
471 | matches++; |
472 | if (uv != puv) { |
473 | if (uv >= 0x80 && to_utf) |
474 | d = uv_to_utf8(d, uv); |
475 | else |
476 | *d++ = (U8)uv; |
477 | puv = uv; |
478 | } |
479 | if (from_utf) |
480 | s += UTF8SKIP(s); |
481 | continue; |
482 | } |
483 | else if (uv == none) { /* "none" is unmapped character */ |
484 | if (from_utf) { |
485 | if (*s < 0x80) |
486 | *d++ = *s++; |
487 | else if (to_utf) { |
a0ed51b3 |
488 | int i; |
4757a243 |
489 | for (i = UTF8SKIP(s); i; --i) |
490 | *d++ = *s++; |
a0ed51b3 |
491 | } |
4757a243 |
492 | else { |
493 | I32 ulen; |
494 | *d++ = (U8)utf8_to_uv(s, &ulen); |
495 | s += ulen; |
a0ed51b3 |
496 | } |
a0ed51b3 |
497 | } |
4757a243 |
498 | else { /* must be to_utf only */ |
499 | d = uv_to_utf8(d, s[-1]); |
500 | } |
501 | puv = 0xfeedface; |
502 | continue; |
a0ed51b3 |
503 | } |
4757a243 |
504 | else if (uv == extra && !del) { |
505 | matches++; |
506 | if (uv != puv) { |
507 | if (final >= 0x80 && to_utf) |
508 | d = uv_to_utf8(d, final); |
509 | else |
510 | *d++ = (U8)final; |
511 | puv = final; |
512 | } |
513 | if (from_utf) |
514 | s += UTF8SKIP(s); |
515 | continue; |
516 | } |
517 | matches++; /* "none+1" is delete character */ |
518 | if (from_utf) |
519 | s += UTF8SKIP(s); |
a0ed51b3 |
520 | } |
79072805 |
521 | } |
522 | else { |
4757a243 |
523 | while (s < send) { |
524 | if (from_utf) { |
525 | uv = swash_fetch(rv, s); |
526 | } |
527 | else { |
528 | U8 tmpbuf[2]; |
529 | uv = *s++; |
530 | if (uv < 0x80) |
531 | tmpbuf[0] = uv; |
532 | else { |
533 | tmpbuf[0] = (( uv >> 6) | 0xc0); |
534 | tmpbuf[1] = (( uv & 0x3f) | 0x80); |
a0ed51b3 |
535 | } |
4757a243 |
536 | uv = swash_fetch(rv, tmpbuf); |
a0ed51b3 |
537 | } |
4757a243 |
538 | if (uv < none) { |
539 | matches++; |
540 | if (uv >= 0x80 && to_utf) |
541 | d = uv_to_utf8(d, uv); |
542 | else |
543 | *d++ = (U8)uv; |
544 | if (from_utf) |
545 | s += UTF8SKIP(s); |
546 | continue; |
a0ed51b3 |
547 | } |
4757a243 |
548 | else if (uv == none) { /* "none" is unmapped character */ |
549 | if (from_utf) { |
550 | if (*s < 0x80) |
551 | *d++ = *s++; |
552 | else if (to_utf) { |
553 | int i; |
554 | for (i = UTF8SKIP(s); i; --i) |
555 | *d++ = *s++; |
556 | } |
557 | else { |
558 | I32 ulen; |
559 | *d++ = (U8)utf8_to_uv(s, &ulen); |
560 | s += ulen; |
a0ed51b3 |
561 | } |
79072805 |
562 | } |
4757a243 |
563 | else { /* must be to_utf only */ |
564 | d = uv_to_utf8(d, s[-1]); |
565 | } |
566 | continue; |
79072805 |
567 | } |
4757a243 |
568 | else if (uv == extra && !del) { |
569 | matches++; |
570 | if (final >= 0x80 && to_utf) |
571 | d = uv_to_utf8(d, final); |
572 | else |
573 | *d++ = (U8)final; |
574 | if (from_utf) |
575 | s += UTF8SKIP(s); |
576 | continue; |
577 | } |
578 | matches++; /* "none+1" is delete character */ |
579 | if (from_utf) |
580 | s += UTF8SKIP(s); |
79072805 |
581 | } |
4757a243 |
582 | } |
583 | if (dst) |
584 | sv_usepvn(sv, (char*)dst, d - dst); |
585 | else { |
586 | *d = '\0'; |
587 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
588 | } |
589 | SvSETMAGIC(sv); |
590 | |
591 | return matches; |
592 | } |
593 | |
594 | I32 |
595 | do_trans(SV *sv) |
596 | { |
46124e9e |
597 | dTHR; |
4757a243 |
598 | STRLEN len; |
599 | |
600 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
601 | croak(no_modify); |
602 | |
603 | (void)SvPV(sv, len); |
604 | if (!len) |
605 | return 0; |
606 | if (!SvPOKp(sv)) |
607 | (void)SvPV_force(sv, len); |
608 | (void)SvPOK_only(sv); |
609 | |
610 | DEBUG_t( deb("2.TBL\n")); |
611 | |
612 | switch (PL_op->op_private & 63) { |
613 | case 0: |
614 | return do_trans_CC_simple(sv); |
615 | |
616 | case OPpTRANS_FROM_UTF: |
617 | return do_trans_UC_simple(sv); |
618 | |
619 | case OPpTRANS_TO_UTF: |
620 | return do_trans_CU_simple(sv); |
621 | |
622 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF: |
623 | return do_trans_UU_simple(sv); |
624 | |
625 | case OPpTRANS_IDENTICAL: |
626 | return do_trans_CC_count(sv); |
627 | |
628 | case OPpTRANS_FROM_UTF|OPpTRANS_IDENTICAL: |
629 | return do_trans_UC_trivial(sv); |
630 | |
631 | case OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: |
632 | return do_trans_CU_trivial(sv); |
633 | |
634 | case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL: |
635 | return do_trans_UU_count(sv); |
636 | |
637 | default: |
638 | if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) |
639 | return do_trans_UU_complex(sv); /* could be UC or CU too */ |
640 | else |
641 | return do_trans_CC_complex(sv); |
79072805 |
642 | } |
79072805 |
643 | } |
644 | |
645 | void |
8ac85365 |
646 | do_join(register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 |
647 | { |
648 | SV **oldmark = mark; |
649 | register I32 items = sp - mark; |
79072805 |
650 | register STRLEN len; |
463ee0b2 |
651 | STRLEN delimlen; |
652 | register char *delim = SvPV(del, delimlen); |
653 | STRLEN tmplen; |
79072805 |
654 | |
655 | mark++; |
656 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
657 | if (SvTYPE(sv) < SVt_PV) |
658 | sv_upgrade(sv, SVt_PV); |
659 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
660 | while (items-- > 0) { |
48c036b1 |
661 | if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) { |
463ee0b2 |
662 | SvPV(*mark, tmplen); |
663 | len += tmplen; |
79072805 |
664 | } |
665 | mark++; |
666 | } |
667 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
668 | |
669 | mark = oldmark; |
670 | items = sp - mark;; |
671 | ++mark; |
672 | } |
673 | |
463ee0b2 |
674 | if (items-- > 0) { |
8990e307 |
675 | char *s; |
676 | |
677 | if (*mark) { |
678 | s = SvPV(*mark, tmplen); |
679 | sv_setpvn(sv, s, tmplen); |
680 | } |
681 | else |
682 | sv_setpv(sv, ""); |
463ee0b2 |
683 | mark++; |
684 | } |
79072805 |
685 | else |
686 | sv_setpv(sv,""); |
687 | len = delimlen; |
688 | if (len) { |
689 | for (; items > 0; items--,mark++) { |
690 | sv_catpvn(sv,delim,len); |
691 | sv_catsv(sv,*mark); |
692 | } |
693 | } |
694 | else { |
695 | for (; items > 0; items--,mark++) |
696 | sv_catsv(sv,*mark); |
697 | } |
698 | SvSETMAGIC(sv); |
699 | } |
700 | |
701 | void |
8ac85365 |
702 | do_sprintf(SV *sv, I32 len, SV **sarg) |
79072805 |
703 | { |
46fc3d4c |
704 | STRLEN patlen; |
705 | char *pat = SvPV(*sarg, patlen); |
706 | bool do_taint = FALSE; |
707 | |
708 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 |
709 | SvSETMAGIC(sv); |
46fc3d4c |
710 | if (do_taint) |
711 | SvTAINTED_on(sv); |
79072805 |
712 | } |
713 | |
714 | void |
8ac85365 |
715 | do_vecset(SV *sv) |
79072805 |
716 | { |
717 | SV *targ = LvTARG(sv); |
718 | register I32 offset; |
719 | register I32 size; |
8990e307 |
720 | register unsigned char *s; |
721 | register unsigned long lval; |
79072805 |
722 | I32 mask; |
a0d0e21e |
723 | STRLEN targlen; |
724 | STRLEN len; |
79072805 |
725 | |
8990e307 |
726 | if (!targ) |
727 | return; |
a0d0e21e |
728 | s = (unsigned char*)SvPV_force(targ, targlen); |
8990e307 |
729 | lval = U_L(SvNV(sv)); |
79072805 |
730 | offset = LvTARGOFF(sv); |
731 | size = LvTARGLEN(sv); |
a0d0e21e |
732 | |
733 | len = (offset + size + 7) / 8; |
734 | if (len > targlen) { |
735 | s = (unsigned char*)SvGROW(targ, len + 1); |
736 | (void)memzero(s + targlen, len - targlen + 1); |
737 | SvCUR_set(targ, len); |
738 | } |
739 | |
79072805 |
740 | if (size < 8) { |
741 | mask = (1 << size) - 1; |
742 | size = offset & 7; |
743 | lval &= mask; |
744 | offset >>= 3; |
745 | s[offset] &= ~(mask << size); |
746 | s[offset] |= lval << size; |
747 | } |
748 | else { |
a0d0e21e |
749 | offset >>= 3; |
79072805 |
750 | if (size == 8) |
751 | s[offset] = lval & 255; |
752 | else if (size == 16) { |
753 | s[offset] = (lval >> 8) & 255; |
754 | s[offset+1] = lval & 255; |
755 | } |
756 | else if (size == 32) { |
757 | s[offset] = (lval >> 24) & 255; |
758 | s[offset+1] = (lval >> 16) & 255; |
759 | s[offset+2] = (lval >> 8) & 255; |
760 | s[offset+3] = lval & 255; |
761 | } |
762 | } |
763 | } |
764 | |
765 | void |
8ac85365 |
766 | do_chop(register SV *astr, register SV *sv) |
79072805 |
767 | { |
463ee0b2 |
768 | STRLEN len; |
a0d0e21e |
769 | char *s; |
c485e607 |
770 | dTHR; |
a0d0e21e |
771 | |
79072805 |
772 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e |
773 | register I32 i; |
774 | I32 max; |
775 | AV* av = (AV*)sv; |
776 | max = AvFILL(av); |
777 | for (i = 0; i <= max; i++) { |
778 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
779 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
780 | do_chop(astr, sv); |
781 | } |
782 | return; |
79072805 |
783 | } |
784 | if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
785 | HV* hv = (HV*)sv; |
786 | HE* entry; |
787 | (void)hv_iterinit(hv); |
788 | /*SUPPRESS 560*/ |
789 | while (entry = hv_iternext(hv)) |
790 | do_chop(astr,hv_iterval(hv,entry)); |
791 | return; |
79072805 |
792 | } |
a0d0e21e |
793 | s = SvPV(sv, len); |
748a9306 |
794 | if (len && !SvPOK(sv)) |
a0d0e21e |
795 | s = SvPV_force(sv, len); |
a0ed51b3 |
796 | if (IN_UTF8) { |
797 | if (s && len) { |
798 | char *send = s + len; |
799 | char *start = s; |
800 | s = send - 1; |
801 | while ((*s & 0xc0) == 0x80) |
802 | --s; |
803 | if (UTF8SKIP(s) != send - s) |
804 | warn("Malformed UTF-8 character"); |
805 | sv_setpvn(astr, s, send - s); |
806 | *s = '\0'; |
807 | SvCUR_set(sv, s - start); |
808 | SvNIOK_off(sv); |
809 | } |
810 | else |
811 | sv_setpvn(astr, "", 0); |
812 | } |
813 | else |
a0d0e21e |
814 | if (s && len) { |
815 | s += --len; |
816 | sv_setpvn(astr, s, 1); |
817 | *s = '\0'; |
818 | SvCUR_set(sv, len); |
819 | SvNIOK_off(sv); |
79072805 |
820 | } |
821 | else |
a0d0e21e |
822 | sv_setpvn(astr, "", 0); |
823 | SvSETMAGIC(sv); |
824 | } |
825 | |
826 | I32 |
8ac85365 |
827 | do_chomp(register SV *sv) |
a0d0e21e |
828 | { |
aeea060c |
829 | dTHR; |
c07a80fd |
830 | register I32 count; |
a0d0e21e |
831 | STRLEN len; |
832 | char *s; |
c07a80fd |
833 | |
3280af22 |
834 | if (RsSNARF(PL_rs)) |
c07a80fd |
835 | return 0; |
836 | count = 0; |
a0d0e21e |
837 | if (SvTYPE(sv) == SVt_PVAV) { |
838 | register I32 i; |
839 | I32 max; |
840 | AV* av = (AV*)sv; |
841 | max = AvFILL(av); |
842 | for (i = 0; i <= max; i++) { |
843 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
844 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
845 | count += do_chomp(sv); |
846 | } |
847 | return count; |
848 | } |
849 | if (SvTYPE(sv) == SVt_PVHV) { |
850 | HV* hv = (HV*)sv; |
851 | HE* entry; |
852 | (void)hv_iterinit(hv); |
853 | /*SUPPRESS 560*/ |
854 | while (entry = hv_iternext(hv)) |
855 | count += do_chomp(hv_iterval(hv,entry)); |
856 | return count; |
857 | } |
858 | s = SvPV(sv, len); |
859 | if (len && !SvPOKp(sv)) |
860 | s = SvPV_force(sv, len); |
861 | if (s && len) { |
862 | s += --len; |
3280af22 |
863 | if (RsPARA(PL_rs)) { |
a0d0e21e |
864 | if (*s != '\n') |
865 | goto nope; |
866 | ++count; |
867 | while (len && s[-1] == '\n') { |
868 | --len; |
869 | --s; |
870 | ++count; |
871 | } |
872 | } |
a0d0e21e |
873 | else { |
c07a80fd |
874 | STRLEN rslen; |
3280af22 |
875 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd |
876 | if (rslen == 1) { |
877 | if (*s != *rsptr) |
878 | goto nope; |
879 | ++count; |
880 | } |
881 | else { |
8c2cee6f |
882 | if (len < rslen - 1) |
c07a80fd |
883 | goto nope; |
884 | len -= rslen - 1; |
885 | s -= rslen - 1; |
36477c24 |
886 | if (memNE(s, rsptr, rslen)) |
c07a80fd |
887 | goto nope; |
888 | count += rslen; |
889 | } |
a0d0e21e |
890 | } |
a0d0e21e |
891 | *s = '\0'; |
892 | SvCUR_set(sv, len); |
893 | SvNIOK_off(sv); |
894 | } |
895 | nope: |
896 | SvSETMAGIC(sv); |
897 | return count; |
898 | } |
79072805 |
899 | |
900 | void |
8ac85365 |
901 | do_vop(I32 optype, SV *sv, SV *left, SV *right) |
79072805 |
902 | { |
aeea060c |
903 | dTHR; /* just for taint */ |
79072805 |
904 | #ifdef LIBERAL |
905 | register long *dl; |
906 | register long *ll; |
907 | register long *rl; |
908 | #endif |
909 | register char *dc; |
463ee0b2 |
910 | STRLEN leftlen; |
911 | STRLEN rightlen; |
7a4c00b4 |
912 | register char *lc; |
913 | register char *rc; |
79072805 |
914 | register I32 len; |
a0d0e21e |
915 | I32 lensave; |
7a4c00b4 |
916 | char *lsave; |
917 | char *rsave; |
79072805 |
918 | |
1fbd88dc |
919 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
920 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
7a4c00b4 |
921 | lsave = lc = SvPV(left, leftlen); |
922 | rsave = rc = SvPV(right, rightlen); |
93a17b20 |
923 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e |
924 | lensave = len; |
7a4c00b4 |
925 | if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
3280af22 |
926 | dc = SvPV_force(sv, PL_na); |
ff68c719 |
927 | if (SvCUR(sv) < len) { |
928 | dc = SvGROW(sv, len + 1); |
929 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
930 | } |
931 | } |
932 | else { |
933 | I32 needlen = ((optype == OP_BIT_AND) |
934 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
935 | Newz(801, dc, needlen + 1, char); |
936 | (void)sv_usepvn(sv, dc, needlen); |
937 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 |
938 | } |
a0d0e21e |
939 | SvCUR_set(sv, len); |
940 | (void)SvPOK_only(sv); |
79072805 |
941 | #ifdef LIBERAL |
942 | if (len >= sizeof(long)*4 && |
943 | !((long)dc % sizeof(long)) && |
944 | !((long)lc % sizeof(long)) && |
945 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
946 | { |
947 | I32 remainder = len % (sizeof(long)*4); |
948 | len /= (sizeof(long)*4); |
949 | |
950 | dl = (long*)dc; |
951 | ll = (long*)lc; |
952 | rl = (long*)rc; |
953 | |
954 | switch (optype) { |
955 | case OP_BIT_AND: |
956 | while (len--) { |
957 | *dl++ = *ll++ & *rl++; |
958 | *dl++ = *ll++ & *rl++; |
959 | *dl++ = *ll++ & *rl++; |
960 | *dl++ = *ll++ & *rl++; |
961 | } |
962 | break; |
a0d0e21e |
963 | case OP_BIT_XOR: |
79072805 |
964 | while (len--) { |
965 | *dl++ = *ll++ ^ *rl++; |
966 | *dl++ = *ll++ ^ *rl++; |
967 | *dl++ = *ll++ ^ *rl++; |
968 | *dl++ = *ll++ ^ *rl++; |
969 | } |
970 | break; |
971 | case OP_BIT_OR: |
972 | while (len--) { |
973 | *dl++ = *ll++ | *rl++; |
974 | *dl++ = *ll++ | *rl++; |
975 | *dl++ = *ll++ | *rl++; |
976 | *dl++ = *ll++ | *rl++; |
977 | } |
978 | } |
979 | |
980 | dc = (char*)dl; |
981 | lc = (char*)ll; |
982 | rc = (char*)rl; |
983 | |
984 | len = remainder; |
985 | } |
986 | #endif |
a0d0e21e |
987 | { |
a0d0e21e |
988 | switch (optype) { |
989 | case OP_BIT_AND: |
990 | while (len--) |
991 | *dc++ = *lc++ & *rc++; |
992 | break; |
993 | case OP_BIT_XOR: |
994 | while (len--) |
995 | *dc++ = *lc++ ^ *rc++; |
996 | goto mop_up; |
997 | case OP_BIT_OR: |
998 | while (len--) |
999 | *dc++ = *lc++ | *rc++; |
1000 | mop_up: |
1001 | len = lensave; |
1002 | if (rightlen > len) |
1003 | sv_catpvn(sv, rsave + len, rightlen - len); |
1004 | else if (leftlen > len) |
1005 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 |
1006 | else |
1007 | *SvEND(sv) = '\0'; |
a0d0e21e |
1008 | break; |
1009 | } |
79072805 |
1010 | } |
fb73857a |
1011 | SvTAINT(sv); |
79072805 |
1012 | } |
463ee0b2 |
1013 | |
1014 | OP * |
8ac85365 |
1015 | do_kv(ARGSproto) |
463ee0b2 |
1016 | { |
4e35701f |
1017 | djSP; |
463ee0b2 |
1018 | HV *hv = (HV*)POPs; |
800e9ae0 |
1019 | HV *keys; |
463ee0b2 |
1020 | register HE *entry; |
463ee0b2 |
1021 | SV *tmpstr; |
54310121 |
1022 | I32 gimme = GIMME_V; |
533c011a |
1023 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1024 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
c750a3ec |
1025 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
1026 | |
533c011a |
1027 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e |
1028 | dokeys = dovalues = TRUE; |
463ee0b2 |
1029 | |
85581909 |
1030 | if (!hv) { |
533c011a |
1031 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1032 | dTARGET; /* make sure to clear its target here */ |
1033 | if (SvTYPE(TARG) == SVt_PVLV) |
1034 | LvTARG(TARG) = Nullsv; |
1035 | PUSHs(TARG); |
1036 | } |
463ee0b2 |
1037 | RETURN; |
85581909 |
1038 | } |
748a9306 |
1039 | |
800e9ae0 |
1040 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1041 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 |
1042 | |
54310121 |
1043 | if (gimme == G_VOID) |
aa689395 |
1044 | RETURN; |
1045 | |
54310121 |
1046 | if (gimme == G_SCALAR) { |
6ee623d5 |
1047 | IV i; |
463ee0b2 |
1048 | dTARGET; |
1049 | |
533c011a |
1050 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
1051 | if (SvTYPE(TARG) < SVt_PVLV) { |
1052 | sv_upgrade(TARG, SVt_PVLV); |
1053 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
1054 | } |
1055 | LvTYPE(TARG) = 'k'; |
800e9ae0 |
1056 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 |
1057 | if (LvTARG(TARG)) |
1058 | SvREFCNT_dec(LvTARG(TARG)); |
800e9ae0 |
1059 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 |
1060 | } |
85581909 |
1061 | PUSHs(TARG); |
1062 | RETURN; |
1063 | } |
1064 | |
800e9ae0 |
1065 | if (!SvRMAGICAL(keys) || !mg_find((SV*)keys,'P')) |
1066 | i = HvKEYS(keys); |
463ee0b2 |
1067 | else { |
1068 | i = 0; |
463ee0b2 |
1069 | /*SUPPRESS 560*/ |
800e9ae0 |
1070 | while (hv_iternext(keys)) i++; |
463ee0b2 |
1071 | } |
1072 | PUSHi( i ); |
1073 | RETURN; |
1074 | } |
1075 | |
8ed4b672 |
1076 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 |
1077 | |
463ee0b2 |
1078 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
800e9ae0 |
1079 | while (entry = hv_iternext(keys)) { |
463ee0b2 |
1080 | SPAGAIN; |
8c2cee6f |
1081 | if (dokeys) |
1082 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 |
1083 | if (dovalues) { |
463ee0b2 |
1084 | PUTBACK; |
b6429b1b |
1085 | tmpstr = realhv ? |
1086 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); |
46fc3d4c |
1087 | DEBUG_H(sv_setpvf(tmpstr, "%lu%%%d=%lu", |
1088 | (unsigned long)HeHASH(entry), |
800e9ae0 |
1089 | HvMAX(keys)+1, |
1090 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 |
1091 | SPAGAIN; |
46fc3d4c |
1092 | XPUSHs(tmpstr); |
463ee0b2 |
1093 | } |
1094 | PUTBACK; |
1095 | } |
1096 | return NORMAL; |
1097 | } |
4e35701f |
1098 | |