Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doop.c |
79072805 | 2 | * |
4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
af3babe4 | 4 | * 2000, 2001, 2002, 2004, 2005, by Larry Wall and others |
79072805 LW |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
a0d0e21e LW |
9 | */ |
10 | ||
11 | /* | |
12 | * "'So that was the job I felt I had to do when I started,' thought Sam." | |
79072805 LW |
13 | */ |
14 | ||
166f8a29 DM |
15 | /* This file contains some common functions needed to carry out certain |
16 | * ops. For example both pp_schomp() and pp_chomp() - scalar and array | |
17 | * chomp operations - call the function do_chomp() found in this file. | |
18 | */ | |
19 | ||
79072805 | 20 | #include "EXTERN.h" |
864dbfa3 | 21 | #define PERL_IN_DOOP_C |
79072805 LW |
22 | #include "perl.h" |
23 | ||
64ca3a65 | 24 | #ifndef PERL_MICRO |
79072805 LW |
25 | #include <signal.h> |
26 | #endif | |
27 | ||
942e002e | 28 | STATIC I32 |
b250498f | 29 | S_do_trans_simple(pTHX_ SV *sv) |
79072805 | 30 | { |
4757a243 | 31 | U8 *s; |
b250498f | 32 | U8 *d; |
f54cb97a | 33 | const U8 *send; |
b250498f | 34 | U8 *dstart; |
4757a243 | 35 | I32 matches = 0; |
f54cb97a | 36 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
463ee0b2 | 37 | STRLEN len; |
79072805 | 38 | |
f54cb97a | 39 | const short *tbl = (short*)cPVOP->op_pv; |
4757a243 | 40 | if (!tbl) |
7d85a32c | 41 | Perl_croak(aTHX_ "panic: do_trans_simple line %d",__LINE__); |
a0ed51b3 | 42 | |
4757a243 LW |
43 | s = (U8*)SvPV(sv, len); |
44 | send = s + len; | |
45 | ||
1e54db1a | 46 | /* First, take care of non-UTF-8 input strings, because they're easy */ |
1aa99e6b | 47 | if (!SvUTF8(sv)) { |
01ec43d0 | 48 | while (s < send) { |
f54cb97a AL |
49 | const I32 ch = tbl[*s]; |
50 | if (ch >= 0) { | |
01ec43d0 | 51 | matches++; |
eb160463 | 52 | *s++ = (U8)ch; |
01ec43d0 GS |
53 | } |
54 | else | |
55 | s++; | |
56 | } | |
57 | SvSETMAGIC(sv); | |
b250498f GS |
58 | return matches; |
59 | } | |
4757a243 | 60 | |
b250498f | 61 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ |
9b877dbb | 62 | if (grows) |
a02a5408 | 63 | Newx(d, len*2+1, U8); |
9b877dbb IH |
64 | else |
65 | d = s; | |
b250498f GS |
66 | dstart = d; |
67 | while (s < send) { | |
ba210ebe | 68 | STRLEN ulen; |
f54cb97a | 69 | I32 ch; |
b250498f | 70 | |
b250498f | 71 | /* Need to check this, otherwise 128..255 won't match */ |
f54cb97a | 72 | const UV c = utf8n_to_uvchr(s, send - s, &ulen, 0); |
9b877dbb | 73 | if (c < 0x100 && (ch = tbl[c]) >= 0) { |
b250498f | 74 | matches++; |
9041c2e3 | 75 | d = uvchr_to_utf8(d, ch); |
b250498f | 76 | s += ulen; |
01ec43d0 GS |
77 | } |
78 | else { /* No match -> copy */ | |
0376ff32 | 79 | Move(s, d, ulen, U8); |
9b877dbb IH |
80 | d += ulen; |
81 | s += ulen; | |
b250498f GS |
82 | } |
83 | } | |
9b877dbb IH |
84 | if (grows) { |
85 | sv_setpvn(sv, (char*)dstart, d - dstart); | |
86 | Safefree(dstart); | |
87 | } | |
88 | else { | |
89 | *d = '\0'; | |
90 | SvCUR_set(sv, d - dstart); | |
91 | } | |
b250498f | 92 | SvUTF8_on(sv); |
b250498f | 93 | SvSETMAGIC(sv); |
4757a243 LW |
94 | return matches; |
95 | } | |
96 | ||
942e002e | 97 | STATIC I32 |
21304a3b | 98 | S_do_trans_count(pTHX_ SV *sv) |
4757a243 | 99 | { |
83003860 NC |
100 | const U8 *s; |
101 | const U8 *send; | |
4757a243 LW |
102 | I32 matches = 0; |
103 | STRLEN len; | |
f54cb97a | 104 | const I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT; |
4757a243 | 105 | |
f54cb97a | 106 | const short * const tbl = (short*)cPVOP->op_pv; |
4757a243 | 107 | if (!tbl) |
7d85a32c | 108 | Perl_croak(aTHX_ "panic: do_trans_count line %d",__LINE__); |
4757a243 | 109 | |
83003860 | 110 | s = (const U8*)SvPV_const(sv, len); |
4757a243 LW |
111 | send = s + len; |
112 | ||
1aa99e6b IH |
113 | if (!SvUTF8(sv)) |
114 | while (s < send) { | |
115 | if (tbl[*s++] >= 0) | |
036b4402 | 116 | matches++; |
1aa99e6b IH |
117 | } |
118 | else | |
119 | while (s < send) { | |
1aa99e6b | 120 | STRLEN ulen; |
f54cb97a | 121 | const UV c = utf8n_to_uvchr(s, send - s, &ulen, 0); |
8973db79 JH |
122 | if (c < 0x100) { |
123 | if (tbl[c] >= 0) | |
124 | matches++; | |
125 | } else if (complement) | |
1aa99e6b IH |
126 | matches++; |
127 | s += ulen; | |
128 | } | |
4757a243 LW |
129 | |
130 | return matches; | |
131 | } | |
132 | ||
942e002e | 133 | STATIC I32 |
21304a3b | 134 | S_do_trans_complex(pTHX_ SV *sv) |
4757a243 | 135 | { |
4757a243 LW |
136 | U8 *s; |
137 | U8 *send; | |
138 | U8 *d; | |
5e44153e | 139 | U8 *dstart; |
1aa99e6b | 140 | I32 isutf8; |
4757a243 | 141 | I32 matches = 0; |
f54cb97a AL |
142 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
143 | const I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT; | |
144 | const I32 del = PL_op->op_private & OPpTRANS_DELETE; | |
b7953727 | 145 | STRLEN len, rlen = 0; |
4757a243 | 146 | |
f54cb97a | 147 | const short * const tbl = (short*)cPVOP->op_pv; |
4757a243 | 148 | if (!tbl) |
7d85a32c | 149 | Perl_croak(aTHX_ "panic: do_trans_complex line %d",__LINE__); |
4757a243 LW |
150 | |
151 | s = (U8*)SvPV(sv, len); | |
1aa99e6b | 152 | isutf8 = SvUTF8(sv); |
4757a243 LW |
153 | send = s + len; |
154 | ||
1aa99e6b IH |
155 | if (!isutf8) { |
156 | dstart = d = s; | |
157 | if (PL_op->op_private & OPpTRANS_SQUASH) { | |
f54cb97a | 158 | const U8* p = send; |
1aa99e6b | 159 | while (s < send) { |
f54cb97a AL |
160 | const I32 ch = tbl[*s]; |
161 | if (ch >= 0) { | |
eb160463 | 162 | *d = (U8)ch; |
036b4402 | 163 | matches++; |
1aa99e6b IH |
164 | if (p != d - 1 || *p != *d) |
165 | p = d++; | |
166 | } | |
167 | else if (ch == -1) /* -1 is unmapped character */ | |
168 | *d++ = *s; | |
169 | else if (ch == -2) /* -2 is delete character */ | |
170 | matches++; | |
171 | s++; | |
172 | } | |
a0ed51b3 | 173 | } |
1aa99e6b IH |
174 | else { |
175 | while (s < send) { | |
f54cb97a AL |
176 | const I32 ch = tbl[*s]; |
177 | if (ch >= 0) { | |
1aa99e6b | 178 | matches++; |
eb160463 | 179 | *d++ = (U8)ch; |
1aa99e6b IH |
180 | } |
181 | else if (ch == -1) /* -1 is unmapped character */ | |
182 | *d++ = *s; | |
183 | else if (ch == -2) /* -2 is delete character */ | |
184 | matches++; | |
185 | s++; | |
186 | } | |
187 | } | |
76ef7183 | 188 | *d = '\0'; |
1aa99e6b | 189 | SvCUR_set(sv, d - dstart); |
4757a243 | 190 | } |
1aa99e6b | 191 | else { /* isutf8 */ |
9b877dbb | 192 | if (grows) |
a02a5408 | 193 | Newx(d, len*2+1, U8); |
9b877dbb IH |
194 | else |
195 | d = s; | |
1aa99e6b | 196 | dstart = d; |
8973db79 JH |
197 | if (complement && !del) |
198 | rlen = tbl[0x100]; | |
1aa99e6b | 199 | |
4aecb5b5 JH |
200 | #ifdef MACOS_TRADITIONAL |
201 | #define comp CoMP /* "comp" is a keyword in some compilers ... */ | |
202 | #endif | |
203 | ||
1aa99e6b | 204 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
1aa99e6b IH |
205 | UV pch = 0xfeedface; |
206 | while (s < send) { | |
207 | STRLEN len; | |
f54cb97a AL |
208 | const UV comp = utf8_to_uvchr(s, &len); |
209 | I32 ch; | |
1aa99e6b | 210 | |
8973db79 JH |
211 | if (comp > 0xff) { |
212 | if (!complement) { | |
213 | Copy(s, d, len, U8); | |
214 | d += len; | |
215 | } | |
216 | else { | |
217 | matches++; | |
218 | if (!del) { | |
05d340b8 JH |
219 | ch = (rlen == 0) ? comp : |
220 | (comp - 0x100 < rlen) ? | |
8973db79 | 221 | tbl[comp+1] : tbl[0x100+rlen]; |
eb160463 | 222 | if ((UV)ch != pch) { |
9041c2e3 | 223 | d = uvchr_to_utf8(d, ch); |
eb160463 | 224 | pch = (UV)ch; |
8973db79 JH |
225 | } |
226 | s += len; | |
227 | continue; | |
228 | } | |
229 | } | |
9b877dbb | 230 | } |
1aa99e6b IH |
231 | else if ((ch = tbl[comp]) >= 0) { |
232 | matches++; | |
eb160463 | 233 | if ((UV)ch != pch) { |
9041c2e3 | 234 | d = uvchr_to_utf8(d, ch); |
eb160463 | 235 | pch = (UV)ch; |
1aa99e6b IH |
236 | } |
237 | s += len; | |
238 | continue; | |
239 | } | |
9b877dbb IH |
240 | else if (ch == -1) { /* -1 is unmapped character */ |
241 | Copy(s, d, len, U8); | |
242 | d += len; | |
243 | } | |
1aa99e6b IH |
244 | else if (ch == -2) /* -2 is delete character */ |
245 | matches++; | |
246 | s += len; | |
247 | pch = 0xfeedface; | |
248 | } | |
5d06d08e | 249 | } |
1aa99e6b IH |
250 | else { |
251 | while (s < send) { | |
252 | STRLEN len; | |
4373e329 | 253 | const UV comp = utf8_to_uvchr(s, &len); |
f54cb97a | 254 | I32 ch; |
8973db79 JH |
255 | if (comp > 0xff) { |
256 | if (!complement) { | |
0376ff32 | 257 | Move(s, d, len, U8); |
8973db79 JH |
258 | d += len; |
259 | } | |
260 | else { | |
261 | matches++; | |
262 | if (!del) { | |
9041c2e3 NIS |
263 | if (comp - 0x100 < rlen) |
264 | d = uvchr_to_utf8(d, tbl[comp+1]); | |
8973db79 | 265 | else |
9041c2e3 | 266 | d = uvchr_to_utf8(d, tbl[0x100+rlen]); |
8973db79 JH |
267 | } |
268 | } | |
9b877dbb | 269 | } |
1aa99e6b | 270 | else if ((ch = tbl[comp]) >= 0) { |
9041c2e3 | 271 | d = uvchr_to_utf8(d, ch); |
1aa99e6b IH |
272 | matches++; |
273 | } | |
274 | else if (ch == -1) { /* -1 is unmapped character */ | |
9b877dbb IH |
275 | Copy(s, d, len, U8); |
276 | d += len; | |
1aa99e6b IH |
277 | } |
278 | else if (ch == -2) /* -2 is delete character */ | |
279 | matches++; | |
280 | s += len; | |
281 | } | |
282 | } | |
9b877dbb IH |
283 | if (grows) { |
284 | sv_setpvn(sv, (char*)dstart, d - dstart); | |
285 | Safefree(dstart); | |
286 | } | |
287 | else { | |
288 | *d = '\0'; | |
289 | SvCUR_set(sv, d - dstart); | |
290 | } | |
1aa99e6b | 291 | SvUTF8_on(sv); |
4757a243 | 292 | } |
5e44153e | 293 | SvSETMAGIC(sv); |
4757a243 LW |
294 | return matches; |
295 | } | |
296 | ||
942e002e | 297 | STATIC I32 |
21304a3b | 298 | S_do_trans_simple_utf8(pTHX_ SV *sv) |
4757a243 | 299 | { |
4757a243 LW |
300 | U8 *s; |
301 | U8 *send; | |
302 | U8 *d; | |
036b4402 | 303 | U8 *start; |
1aa99e6b | 304 | U8 *dstart, *dend; |
4757a243 | 305 | I32 matches = 0; |
f54cb97a | 306 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; |
4757a243 LW |
307 | STRLEN len; |
308 | ||
53c1dcc0 AL |
309 | SV* const rv = (SV*)cSVOP->op_sv; |
310 | HV* const hv = (HV*)SvRV(rv); | |
4757a243 | 311 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
f54cb97a AL |
312 | const UV none = svp ? SvUV(*svp) : 0x7fffffff; |
313 | const UV extra = none + 1; | |
b7953727 | 314 | UV final = 0; |
4757a243 | 315 | UV uv; |
1aa99e6b IH |
316 | I32 isutf8; |
317 | U8 hibit = 0; | |
4757a243 LW |
318 | |
319 | s = (U8*)SvPV(sv, len); | |
1aa99e6b IH |
320 | isutf8 = SvUTF8(sv); |
321 | if (!isutf8) { | |
f54cb97a | 322 | const U8 *t = s, *e = s + len; |
c4d5f83a | 323 | while (t < e) { |
f54cb97a | 324 | const U8 ch = *t++; |
c4d5f83a | 325 | if ((hibit = !NATIVE_IS_INVARIANT(ch))) |
1aa99e6b | 326 | break; |
c4d5f83a | 327 | } |
1aa99e6b IH |
328 | if (hibit) |
329 | s = bytes_to_utf8(s, &len); | |
330 | } | |
4757a243 | 331 | send = s + len; |
036b4402 | 332 | start = s; |
4757a243 LW |
333 | |
334 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
335 | if (svp) | |
336 | final = SvUV(*svp); | |
337 | ||
9b877dbb IH |
338 | if (grows) { |
339 | /* d needs to be bigger than s, in case e.g. upgrading is required */ | |
a02a5408 | 340 | Newx(d, len * 3 + UTF8_MAXBYTES, U8); |
9b877dbb IH |
341 | dend = d + len * 3; |
342 | dstart = d; | |
343 | } | |
344 | else { | |
345 | dstart = d = s; | |
346 | dend = d + len; | |
347 | } | |
1aa99e6b | 348 | |
4757a243 | 349 | while (s < send) { |
3568d838 | 350 | if ((uv = swash_fetch(rv, s, TRUE)) < none) { |
4757a243 LW |
351 | s += UTF8SKIP(s); |
352 | matches++; | |
7d85a32c | 353 | d = uvuni_to_utf8(d, uv); |
4757a243 LW |
354 | } |
355 | else if (uv == none) { | |
4373e329 | 356 | const int i = UTF8SKIP(s); |
0376ff32 | 357 | Move(s, d, i, U8); |
9b877dbb IH |
358 | d += i; |
359 | s += i; | |
4757a243 LW |
360 | } |
361 | else if (uv == extra) { | |
4373e329 | 362 | s += UTF8SKIP(s); |
4757a243 | 363 | matches++; |
7d85a32c | 364 | d = uvuni_to_utf8(d, final); |
4757a243 LW |
365 | } |
366 | else | |
367 | s += UTF8SKIP(s); | |
1aa99e6b | 368 | |
9b877dbb | 369 | if (d > dend) { |
4373e329 AL |
370 | const STRLEN clen = d - dstart; |
371 | const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES; | |
9b877dbb | 372 | if (!grows) |
7d85a32c | 373 | Perl_croak(aTHX_ "panic: do_trans_simple_utf8 line %d",__LINE__); |
89ebb4a3 | 374 | Renew(dstart, nlen + UTF8_MAXBYTES, U8); |
1aa99e6b IH |
375 | d = dstart + clen; |
376 | dend = dstart + nlen; | |
377 | } | |
4757a243 | 378 | } |
16ec844d | 379 | if (grows || hibit) { |
9b877dbb IH |
380 | sv_setpvn(sv, (char*)dstart, d - dstart); |
381 | Safefree(dstart); | |
16ec844d IH |
382 | if (grows && hibit) |
383 | Safefree(start); | |
9b877dbb IH |
384 | } |
385 | else { | |
386 | *d = '\0'; | |
387 | SvCUR_set(sv, d - dstart); | |
388 | } | |
4757a243 | 389 | SvSETMAGIC(sv); |
1aa99e6b | 390 | SvUTF8_on(sv); |
4757a243 LW |
391 | |
392 | return matches; | |
393 | } | |
394 | ||
942e002e | 395 | STATIC I32 |
21304a3b | 396 | S_do_trans_count_utf8(pTHX_ SV *sv) |
4757a243 | 397 | { |
93524f2b NC |
398 | const U8 *s; |
399 | const U8 *start = 0, *send; | |
4757a243 LW |
400 | I32 matches = 0; |
401 | STRLEN len; | |
402 | ||
53c1dcc0 AL |
403 | SV* const rv = (SV*)cSVOP->op_sv; |
404 | HV* const hv = (HV*)SvRV(rv); | |
405 | SV** const svp = hv_fetch(hv, "NONE", 4, FALSE); | |
f54cb97a AL |
406 | const UV none = svp ? SvUV(*svp) : 0x7fffffff; |
407 | const UV extra = none + 1; | |
1aa99e6b | 408 | U8 hibit = 0; |
4757a243 | 409 | |
93524f2b | 410 | s = (const U8*)SvPV_const(sv, len); |
1aa99e6b | 411 | if (!SvUTF8(sv)) { |
4373e329 AL |
412 | const U8 *t = s; |
413 | const U8 *e = s + len; | |
c4d5f83a | 414 | while (t < e) { |
4373e329 | 415 | const U8 ch = *t++; |
c4d5f83a | 416 | if ((hibit = !NATIVE_IS_INVARIANT(ch))) |
1aa99e6b | 417 | break; |
c4d5f83a | 418 | } |
1aa99e6b IH |
419 | if (hibit) |
420 | start = s = bytes_to_utf8(s, &len); | |
421 | } | |
4757a243 LW |
422 | send = s + len; |
423 | ||
424 | while (s < send) { | |
f54cb97a | 425 | UV uv; |
3568d838 | 426 | if ((uv = swash_fetch(rv, s, TRUE)) < none || uv == extra) |
4757a243 | 427 | matches++; |
834a4ddd | 428 | s += UTF8SKIP(s); |
4757a243 | 429 | } |
1aa99e6b IH |
430 | if (hibit) |
431 | Safefree(start); | |
4757a243 LW |
432 | |
433 | return matches; | |
434 | } | |
435 | ||
942e002e | 436 | STATIC I32 |
21304a3b | 437 | S_do_trans_complex_utf8(pTHX_ SV *sv) |
4757a243 | 438 | { |
1aa99e6b | 439 | U8 *start, *send; |
4757a243 LW |
440 | U8 *d; |
441 | I32 matches = 0; | |
4373e329 AL |
442 | const I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
443 | const I32 del = PL_op->op_private & OPpTRANS_DELETE; | |
444 | const I32 grows = PL_op->op_private & OPpTRANS_GROWS; | |
53c1dcc0 AL |
445 | SV * const rv = (SV*)cSVOP->op_sv; |
446 | HV * const hv = (HV*)SvRV(rv); | |
4757a243 | 447 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
f54cb97a AL |
448 | const UV none = svp ? SvUV(*svp) : 0x7fffffff; |
449 | const UV extra = none + 1; | |
b7953727 | 450 | UV final = 0; |
45005bfb | 451 | bool havefinal = FALSE; |
4757a243 | 452 | STRLEN len; |
1aa99e6b | 453 | U8 *dstart, *dend; |
1aa99e6b | 454 | U8 hibit = 0; |
4757a243 | 455 | |
f54cb97a AL |
456 | U8 *s = (U8*)SvPV(sv, len); |
457 | const I32 isutf8 = SvUTF8(sv); | |
1aa99e6b | 458 | if (!isutf8) { |
53c1dcc0 AL |
459 | const U8 *t = s; |
460 | const U8 * const e = s + len; | |
c4d5f83a | 461 | while (t < e) { |
f54cb97a | 462 | const U8 ch = *t++; |
c4d5f83a | 463 | if ((hibit = !NATIVE_IS_INVARIANT(ch))) |
1aa99e6b | 464 | break; |
c4d5f83a | 465 | } |
1aa99e6b IH |
466 | if (hibit) |
467 | s = bytes_to_utf8(s, &len); | |
468 | } | |
4757a243 | 469 | send = s + len; |
1aa99e6b | 470 | start = s; |
4757a243 LW |
471 | |
472 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
45005bfb | 473 | if (svp) { |
4757a243 | 474 | final = SvUV(*svp); |
45005bfb JH |
475 | havefinal = TRUE; |
476 | } | |
4757a243 | 477 | |
9b877dbb IH |
478 | if (grows) { |
479 | /* d needs to be bigger than s, in case e.g. upgrading is required */ | |
a02a5408 | 480 | Newx(d, len * 3 + UTF8_MAXBYTES, U8); |
9b877dbb IH |
481 | dend = d + len * 3; |
482 | dstart = d; | |
483 | } | |
484 | else { | |
485 | dstart = d = s; | |
486 | dend = d + len; | |
487 | } | |
4757a243 LW |
488 | |
489 | if (squash) { | |
490 | UV puv = 0xfeedface; | |
491 | while (s < send) { | |
f54cb97a | 492 | UV uv = swash_fetch(rv, s, TRUE); |
9041c2e3 | 493 | |
9b877dbb | 494 | if (d > dend) { |
4373e329 AL |
495 | const STRLEN clen = d - dstart; |
496 | const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES; | |
9b877dbb | 497 | if (!grows) |
7d85a32c | 498 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__); |
89ebb4a3 | 499 | Renew(dstart, nlen + UTF8_MAXBYTES, U8); |
1aa99e6b IH |
500 | d = dstart + clen; |
501 | dend = dstart + nlen; | |
4757a243 LW |
502 | } |
503 | if (uv < none) { | |
504 | matches++; | |
94472101 | 505 | s += UTF8SKIP(s); |
4757a243 | 506 | if (uv != puv) { |
7d85a32c | 507 | d = uvuni_to_utf8(d, uv); |
4757a243 LW |
508 | puv = uv; |
509 | } | |
4757a243 LW |
510 | continue; |
511 | } | |
512 | else if (uv == none) { /* "none" is unmapped character */ | |
4373e329 | 513 | const int i = UTF8SKIP(s); |
0376ff32 | 514 | Move(s, d, i, U8); |
9b877dbb IH |
515 | d += i; |
516 | s += i; | |
4757a243 LW |
517 | puv = 0xfeedface; |
518 | continue; | |
a0ed51b3 | 519 | } |
4757a243 LW |
520 | else if (uv == extra && !del) { |
521 | matches++; | |
45005bfb JH |
522 | if (havefinal) { |
523 | s += UTF8SKIP(s); | |
524 | if (puv != final) { | |
7d85a32c | 525 | d = uvuni_to_utf8(d, final); |
45005bfb JH |
526 | puv = final; |
527 | } | |
528 | } | |
529 | else { | |
530 | STRLEN len; | |
7d85a32c | 531 | uv = utf8_to_uvuni(s, &len); |
45005bfb | 532 | if (uv != puv) { |
0376ff32 | 533 | Move(s, d, len, U8); |
45005bfb JH |
534 | d += len; |
535 | puv = uv; | |
536 | } | |
537 | s += len; | |
4757a243 | 538 | } |
4757a243 LW |
539 | continue; |
540 | } | |
01ec43d0 GS |
541 | matches++; /* "none+1" is delete character */ |
542 | s += UTF8SKIP(s); | |
a0ed51b3 | 543 | } |
79072805 LW |
544 | } |
545 | else { | |
4757a243 | 546 | while (s < send) { |
f54cb97a | 547 | const UV uv = swash_fetch(rv, s, TRUE); |
9b877dbb | 548 | if (d > dend) { |
f54cb97a AL |
549 | const STRLEN clen = d - dstart; |
550 | const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES; | |
9b877dbb | 551 | if (!grows) |
7d85a32c | 552 | Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__); |
89ebb4a3 | 553 | Renew(dstart, nlen + UTF8_MAXBYTES, U8); |
1aa99e6b IH |
554 | d = dstart + clen; |
555 | dend = dstart + nlen; | |
a0ed51b3 | 556 | } |
4757a243 LW |
557 | if (uv < none) { |
558 | matches++; | |
01ec43d0 | 559 | s += UTF8SKIP(s); |
7d85a32c | 560 | d = uvuni_to_utf8(d, uv); |
4757a243 | 561 | continue; |
a0ed51b3 | 562 | } |
4757a243 | 563 | else if (uv == none) { /* "none" is unmapped character */ |
f54cb97a | 564 | const int i = UTF8SKIP(s); |
0376ff32 | 565 | Move(s, d, i, U8); |
9b877dbb IH |
566 | d += i; |
567 | s += i; | |
4757a243 | 568 | continue; |
79072805 | 569 | } |
4757a243 LW |
570 | else if (uv == extra && !del) { |
571 | matches++; | |
01ec43d0 | 572 | s += UTF8SKIP(s); |
7d85a32c | 573 | d = uvuni_to_utf8(d, final); |
4757a243 LW |
574 | continue; |
575 | } | |
01ec43d0 GS |
576 | matches++; /* "none+1" is delete character */ |
577 | s += UTF8SKIP(s); | |
79072805 | 578 | } |
4757a243 | 579 | } |
16ec844d | 580 | if (grows || hibit) { |
9b877dbb IH |
581 | sv_setpvn(sv, (char*)dstart, d - dstart); |
582 | Safefree(dstart); | |
16ec844d IH |
583 | if (grows && hibit) |
584 | Safefree(start); | |
9b877dbb IH |
585 | } |
586 | else { | |
587 | *d = '\0'; | |
588 | SvCUR_set(sv, d - dstart); | |
589 | } | |
1aa99e6b | 590 | SvUTF8_on(sv); |
4757a243 LW |
591 | SvSETMAGIC(sv); |
592 | ||
593 | return matches; | |
594 | } | |
595 | ||
596 | I32 | |
864dbfa3 | 597 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 LW |
598 | { |
599 | STRLEN len; | |
4373e329 | 600 | const I32 hasutf = (PL_op->op_private & |
036b4402 | 601 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 | 602 | |
2233f375 | 603 | if (SvREADONLY(sv)) { |
765f542d NC |
604 | if (SvIsCOW(sv)) |
605 | sv_force_normal_flags(sv, 0); | |
2233f375 NC |
606 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) |
607 | Perl_croak(aTHX_ PL_no_modify); | |
608 | } | |
10516c54 | 609 | (void)SvPV_const(sv, len); |
4757a243 LW |
610 | if (!len) |
611 | return 0; | |
d59e14db RGS |
612 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) { |
613 | if (!SvPOKp(sv)) | |
614 | (void)SvPV_force(sv, len); | |
2de7b02f | 615 | (void)SvPOK_only_UTF8(sv); |
d59e14db | 616 | } |
4757a243 | 617 | |
cea2e8a9 | 618 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 | 619 | |
a77e643a RGS |
620 | switch (PL_op->op_private & ~hasutf & ( |
621 | OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL| | |
622 | OPpTRANS_SQUASH|OPpTRANS_DELETE|OPpTRANS_COMPLEMENT)) { | |
4757a243 | 623 | case 0: |
01ec43d0 GS |
624 | if (hasutf) |
625 | return do_trans_simple_utf8(sv); | |
626 | else | |
627 | return do_trans_simple(sv); | |
4757a243 LW |
628 | |
629 | case OPpTRANS_IDENTICAL: | |
05d340b8 | 630 | case OPpTRANS_IDENTICAL|OPpTRANS_COMPLEMENT: |
01ec43d0 GS |
631 | if (hasutf) |
632 | return do_trans_count_utf8(sv); | |
633 | else | |
634 | return do_trans_count(sv); | |
4757a243 LW |
635 | |
636 | default: | |
01ec43d0 | 637 | if (hasutf) |
036b4402 | 638 | return do_trans_complex_utf8(sv); |
4757a243 | 639 | else |
036b4402 | 640 | return do_trans_complex(sv); |
79072805 | 641 | } |
79072805 LW |
642 | } |
643 | ||
644 | void | |
864dbfa3 | 645 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 | 646 | { |
53c1dcc0 | 647 | SV ** const oldmark = mark; |
79072805 | 648 | register I32 items = sp - mark; |
79072805 | 649 | register STRLEN len; |
463ee0b2 | 650 | STRLEN delimlen; |
79072805 | 651 | |
5c144d81 | 652 | (void) SvPV_const(del, delimlen); /* stringify and get the delimlen */ |
5ba99574 | 653 | /* SvCUR assumes it's SvPOK() and woe betide you if it's not. */ |
516a5887 | 654 | |
79072805 LW |
655 | mark++; |
656 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
862a34c6 | 657 | SvUPGRADE(sv, SVt_PV); |
79072805 LW |
658 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
659 | while (items-- > 0) { | |
1426bbf4 | 660 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
f54cb97a | 661 | STRLEN tmplen; |
5c144d81 | 662 | SvPV_const(*mark, tmplen); |
463ee0b2 | 663 | len += tmplen; |
79072805 LW |
664 | } |
665 | mark++; | |
666 | } | |
667 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
668 | ||
669 | mark = oldmark; | |
db7c17d7 | 670 | items = sp - mark; |
79072805 LW |
671 | ++mark; |
672 | } | |
673 | ||
fc0199cd | 674 | sv_setpvn(sv, "", 0); |
e4803c42 | 675 | /* sv_setpv retains old UTF8ness [perl #24846] */ |
fb622db0 | 676 | SvUTF8_off(sv); |
e4803c42 | 677 | |
8d6d96c1 HS |
678 | if (PL_tainting && SvMAGICAL(sv)) |
679 | SvTAINTED_off(sv); | |
680 | ||
463ee0b2 | 681 | if (items-- > 0) { |
92d29cee JH |
682 | if (*mark) |
683 | sv_catsv(sv, *mark); | |
463ee0b2 LW |
684 | mark++; |
685 | } | |
8d6d96c1 | 686 | |
c512ce4f | 687 | if (delimlen) { |
79072805 | 688 | for (; items > 0; items--,mark++) { |
c512ce4f | 689 | sv_catsv(sv,del); |
79072805 LW |
690 | sv_catsv(sv,*mark); |
691 | } | |
692 | } | |
693 | else { | |
694 | for (; items > 0; items--,mark++) | |
695 | sv_catsv(sv,*mark); | |
696 | } | |
697 | SvSETMAGIC(sv); | |
698 | } | |
699 | ||
700 | void | |
864dbfa3 | 701 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 | 702 | { |
46fc3d4c | 703 | STRLEN patlen; |
53c1dcc0 | 704 | const char * const pat = SvPV_const(*sarg, patlen); |
46fc3d4c | 705 | bool do_taint = FALSE; |
706 | ||
5b781b5b | 707 | SvUTF8_off(sv); |
2cf2cfc6 A |
708 | if (DO_UTF8(*sarg)) |
709 | SvUTF8_on(sv); | |
46fc3d4c | 710 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 | 711 | SvSETMAGIC(sv); |
46fc3d4c | 712 | if (do_taint) |
713 | SvTAINTED_on(sv); | |
79072805 LW |
714 | } |
715 | ||
33b45480 | 716 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 JH |
717 | UV |
718 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) | |
719 | { | |
720 | STRLEN srclen, len; | |
10516c54 | 721 | const unsigned char *s = (const unsigned char *) SvPV_const(sv, srclen); |
81e118e0 JH |
722 | UV retnum = 0; |
723 | ||
a50d7633 | 724 | if (offset < 0) |
81e118e0 | 725 | return retnum; |
8e84507e | 726 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 727 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 | 728 | |
dcad2880 | 729 | if (SvUTF8(sv)) |
33b45480 | 730 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
246fae53 | 731 | |
81e118e0 JH |
732 | offset *= size; /* turn into bit offset */ |
733 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
734 | if (len > srclen) { | |
735 | if (size <= 8) | |
736 | retnum = 0; | |
737 | else { | |
738 | offset >>= 3; /* turn into byte offset */ | |
739 | if (size == 16) { | |
eb160463 | 740 | if ((STRLEN)offset >= srclen) |
81e118e0 JH |
741 | retnum = 0; |
742 | else | |
628e1a40 | 743 | retnum = (UV) s[offset] << 8; |
81e118e0 JH |
744 | } |
745 | else if (size == 32) { | |
eb160463 | 746 | if ((STRLEN)offset >= srclen) |
81e118e0 | 747 | retnum = 0; |
eb160463 | 748 | else if ((STRLEN)(offset + 1) >= srclen) |
81e118e0 JH |
749 | retnum = |
750 | ((UV) s[offset ] << 24); | |
eb160463 | 751 | else if ((STRLEN)(offset + 2) >= srclen) |
81e118e0 JH |
752 | retnum = |
753 | ((UV) s[offset ] << 24) + | |
754 | ((UV) s[offset + 1] << 16); | |
755 | else | |
756 | retnum = | |
757 | ((UV) s[offset ] << 24) + | |
758 | ((UV) s[offset + 1] << 16) + | |
759 | ( s[offset + 2] << 8); | |
760 | } | |
d7d93a81 | 761 | #ifdef UV_IS_QUAD |
c5a0f51a | 762 | else if (size == 64) { |
c5a0f51a | 763 | if (ckWARN(WARN_PORTABLE)) |
9014280d | 764 | Perl_warner(aTHX_ packWARN(WARN_PORTABLE), |
c5a0f51a JH |
765 | "Bit vector size > 32 non-portable"); |
766 | if (offset >= srclen) | |
767 | retnum = 0; | |
768 | else if (offset + 1 >= srclen) | |
769 | retnum = | |
770 | (UV) s[offset ] << 56; | |
771 | else if (offset + 2 >= srclen) | |
772 | retnum = | |
773 | ((UV) s[offset ] << 56) + | |
774 | ((UV) s[offset + 1] << 48); | |
775 | else if (offset + 3 >= srclen) | |
776 | retnum = | |
777 | ((UV) s[offset ] << 56) + | |
778 | ((UV) s[offset + 1] << 48) + | |
779 | ((UV) s[offset + 2] << 40); | |
780 | else if (offset + 4 >= srclen) | |
781 | retnum = | |
782 | ((UV) s[offset ] << 56) + | |
783 | ((UV) s[offset + 1] << 48) + | |
784 | ((UV) s[offset + 2] << 40) + | |
785 | ((UV) s[offset + 3] << 32); | |
786 | else if (offset + 5 >= srclen) | |
787 | retnum = | |
788 | ((UV) s[offset ] << 56) + | |
789 | ((UV) s[offset + 1] << 48) + | |
790 | ((UV) s[offset + 2] << 40) + | |
791 | ((UV) s[offset + 3] << 32) + | |
792 | ( s[offset + 4] << 24); | |
793 | else if (offset + 6 >= srclen) | |
794 | retnum = | |
795 | ((UV) s[offset ] << 56) + | |
796 | ((UV) s[offset + 1] << 48) + | |
797 | ((UV) s[offset + 2] << 40) + | |
798 | ((UV) s[offset + 3] << 32) + | |
799 | ((UV) s[offset + 4] << 24) + | |
800 | ((UV) s[offset + 5] << 16); | |
801 | else | |
8e84507e | 802 | retnum = |
c5a0f51a JH |
803 | ((UV) s[offset ] << 56) + |
804 | ((UV) s[offset + 1] << 48) + | |
805 | ((UV) s[offset + 2] << 40) + | |
806 | ((UV) s[offset + 3] << 32) + | |
807 | ((UV) s[offset + 4] << 24) + | |
808 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 809 | ( s[offset + 6] << 8); |
c5a0f51a JH |
810 | } |
811 | #endif | |
81e118e0 JH |
812 | } |
813 | } | |
814 | else if (size < 8) | |
815 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); | |
816 | else { | |
817 | offset >>= 3; /* turn into byte offset */ | |
818 | if (size == 8) | |
819 | retnum = s[offset]; | |
820 | else if (size == 16) | |
821 | retnum = | |
628e1a40 | 822 | ((UV) s[offset] << 8) + |
81e118e0 JH |
823 | s[offset + 1]; |
824 | else if (size == 32) | |
825 | retnum = | |
826 | ((UV) s[offset ] << 24) + | |
827 | ((UV) s[offset + 1] << 16) + | |
828 | ( s[offset + 2] << 8) + | |
829 | s[offset + 3]; | |
d7d93a81 | 830 | #ifdef UV_IS_QUAD |
c5a0f51a | 831 | else if (size == 64) { |
c5a0f51a | 832 | if (ckWARN(WARN_PORTABLE)) |
9014280d | 833 | Perl_warner(aTHX_ packWARN(WARN_PORTABLE), |
c5a0f51a JH |
834 | "Bit vector size > 32 non-portable"); |
835 | retnum = | |
836 | ((UV) s[offset ] << 56) + | |
837 | ((UV) s[offset + 1] << 48) + | |
838 | ((UV) s[offset + 2] << 40) + | |
839 | ((UV) s[offset + 3] << 32) + | |
840 | ((UV) s[offset + 4] << 24) + | |
841 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 842 | ( s[offset + 6] << 8) + |
c5a0f51a JH |
843 | s[offset + 7]; |
844 | } | |
845 | #endif | |
81e118e0 JH |
846 | } |
847 | ||
848 | return retnum; | |
849 | } | |
850 | ||
33b45480 SB |
851 | /* currently converts input to bytes if possible but doesn't sweat failures, |
852 | * although it does ensure that the string it clobbers is not marked as | |
853 | * utf8-valid any more | |
854 | */ | |
79072805 | 855 | void |
864dbfa3 | 856 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 LW |
857 | { |
858 | SV *targ = LvTARG(sv); | |
859 | register I32 offset; | |
860 | register I32 size; | |
8990e307 | 861 | register unsigned char *s; |
81e118e0 | 862 | register UV lval; |
79072805 | 863 | I32 mask; |
a0d0e21e LW |
864 | STRLEN targlen; |
865 | STRLEN len; | |
79072805 | 866 | |
8990e307 LW |
867 | if (!targ) |
868 | return; | |
a0d0e21e | 869 | s = (unsigned char*)SvPV_force(targ, targlen); |
246fae53 | 870 | if (SvUTF8(targ)) { |
33b45480 SB |
871 | /* This is handled by the SvPOK_only below... |
872 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) | |
873 | SvUTF8_off(targ); | |
874 | */ | |
875 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); | |
246fae53 MG |
876 | } |
877 | ||
4ebbc975 | 878 | (void)SvPOK_only(targ); |
81e118e0 | 879 | lval = SvUV(sv); |
79072805 | 880 | offset = LvTARGOFF(sv); |
fe58ced6 | 881 | if (offset < 0) |
ed9aa3b7 | 882 | Perl_croak(aTHX_ "Negative offset to vec in lvalue context"); |
79072805 | 883 | size = LvTARGLEN(sv); |
8e84507e | 884 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 885 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e | 886 | |
81e118e0 JH |
887 | offset *= size; /* turn into bit offset */ |
888 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
a0d0e21e LW |
889 | if (len > targlen) { |
890 | s = (unsigned char*)SvGROW(targ, len + 1); | |
12ae5dfc | 891 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e LW |
892 | SvCUR_set(targ, len); |
893 | } | |
8e84507e | 894 | |
79072805 LW |
895 | if (size < 8) { |
896 | mask = (1 << size) - 1; | |
897 | size = offset & 7; | |
898 | lval &= mask; | |
81e118e0 | 899 | offset >>= 3; /* turn into byte offset */ |
79072805 LW |
900 | s[offset] &= ~(mask << size); |
901 | s[offset] |= lval << size; | |
902 | } | |
903 | else { | |
81e118e0 | 904 | offset >>= 3; /* turn into byte offset */ |
79072805 | 905 | if (size == 8) |
eb160463 | 906 | s[offset ] = (U8)( lval & 0xff); |
79072805 | 907 | else if (size == 16) { |
eb160463 GS |
908 | s[offset ] = (U8)((lval >> 8) & 0xff); |
909 | s[offset+1] = (U8)( lval & 0xff); | |
79072805 LW |
910 | } |
911 | else if (size == 32) { | |
eb160463 GS |
912 | s[offset ] = (U8)((lval >> 24) & 0xff); |
913 | s[offset+1] = (U8)((lval >> 16) & 0xff); | |
914 | s[offset+2] = (U8)((lval >> 8) & 0xff); | |
915 | s[offset+3] = (U8)( lval & 0xff); | |
c5a0f51a | 916 | } |
d7d93a81 | 917 | #ifdef UV_IS_QUAD |
c5a0f51a | 918 | else if (size == 64) { |
c5a0f51a | 919 | if (ckWARN(WARN_PORTABLE)) |
9014280d | 920 | Perl_warner(aTHX_ packWARN(WARN_PORTABLE), |
c5a0f51a | 921 | "Bit vector size > 32 non-portable"); |
eb160463 GS |
922 | s[offset ] = (U8)((lval >> 56) & 0xff); |
923 | s[offset+1] = (U8)((lval >> 48) & 0xff); | |
924 | s[offset+2] = (U8)((lval >> 40) & 0xff); | |
925 | s[offset+3] = (U8)((lval >> 32) & 0xff); | |
926 | s[offset+4] = (U8)((lval >> 24) & 0xff); | |
927 | s[offset+5] = (U8)((lval >> 16) & 0xff); | |
928 | s[offset+6] = (U8)((lval >> 8) & 0xff); | |
929 | s[offset+7] = (U8)( lval & 0xff); | |
79072805 | 930 | } |
dc1e3f56 | 931 | #endif |
79072805 | 932 | } |
7bb043c3 | 933 | SvSETMAGIC(targ); |
79072805 LW |
934 | } |
935 | ||
936 | void | |
864dbfa3 | 937 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 | 938 | { |
463ee0b2 | 939 | STRLEN len; |
a0d0e21e | 940 | char *s; |
8e84507e | 941 | |
79072805 | 942 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e | 943 | register I32 i; |
a0d0e21e | 944 | AV* av = (AV*)sv; |
f54cb97a AL |
945 | const I32 max = AvFILL(av); |
946 | ||
947 | for (i = 0; i <= max; i++) { | |
a0d0e21e | 948 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 | 949 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
950 | do_chop(astr, sv); |
951 | } | |
952 | return; | |
79072805 | 953 | } |
aa854799 | 954 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e LW |
955 | HV* hv = (HV*)sv; |
956 | HE* entry; | |
957 | (void)hv_iterinit(hv); | |
155aba94 | 958 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
959 | do_chop(astr,hv_iterval(hv,entry)); |
960 | return; | |
79072805 | 961 | } |
991e6d41 NC |
962 | else if (SvREADONLY(sv)) { |
963 | if (SvFAKE(sv)) { | |
964 | /* SV is copy-on-write */ | |
965 | sv_force_normal_flags(sv, 0); | |
966 | } | |
967 | if (SvREADONLY(sv)) | |
968 | Perl_croak(aTHX_ PL_no_modify); | |
969 | } | |
a0d0e21e | 970 | s = SvPV(sv, len); |
748a9306 | 971 | if (len && !SvPOK(sv)) |
a0d0e21e | 972 | s = SvPV_force(sv, len); |
7e2040f0 | 973 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
974 | if (s && len) { |
975 | char *send = s + len; | |
976 | char *start = s; | |
977 | s = send - 1; | |
a0dbb045 JH |
978 | while (s > start && UTF8_IS_CONTINUATION(*s)) |
979 | s--; | |
ace7757b | 980 | if (is_utf8_string((U8*)s, send - s)) { |
a0dbb045 JH |
981 | sv_setpvn(astr, s, send - s); |
982 | *s = '\0'; | |
983 | SvCUR_set(sv, s - start); | |
984 | SvNIOK_off(sv); | |
985 | SvUTF8_on(astr); | |
986 | } | |
a0ed51b3 LW |
987 | } |
988 | else | |
989 | sv_setpvn(astr, "", 0); | |
990 | } | |
7e2040f0 | 991 | else if (s && len) { |
a0d0e21e LW |
992 | s += --len; |
993 | sv_setpvn(astr, s, 1); | |
994 | *s = '\0'; | |
995 | SvCUR_set(sv, len); | |
2c19a612 | 996 | SvUTF8_off(sv); |
a0d0e21e | 997 | SvNIOK_off(sv); |
79072805 LW |
998 | } |
999 | else | |
a0d0e21e LW |
1000 | sv_setpvn(astr, "", 0); |
1001 | SvSETMAGIC(sv); | |
7e2040f0 | 1002 | } |
a0d0e21e LW |
1003 | |
1004 | I32 | |
864dbfa3 | 1005 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e | 1006 | { |
c07a80fd | 1007 | register I32 count; |
a0d0e21e LW |
1008 | STRLEN len; |
1009 | char *s; | |
c4c87a06 | 1010 | char *temp_buffer = NULL; |
a6aa349d | 1011 | SV* svrecode = Nullsv; |
c07a80fd | 1012 | |
3280af22 | 1013 | if (RsSNARF(PL_rs)) |
c07a80fd | 1014 | return 0; |
4c5a6083 GS |
1015 | if (RsRECORD(PL_rs)) |
1016 | return 0; | |
c07a80fd | 1017 | count = 0; |
a0d0e21e LW |
1018 | if (SvTYPE(sv) == SVt_PVAV) { |
1019 | register I32 i; | |
890ce7af | 1020 | AV* const av = (AV*)sv; |
f54cb97a AL |
1021 | const I32 max = AvFILL(av); |
1022 | ||
1023 | for (i = 0; i <= max; i++) { | |
a0d0e21e | 1024 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 | 1025 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
1026 | count += do_chomp(sv); |
1027 | } | |
1028 | return count; | |
1029 | } | |
aa854799 | 1030 | else if (SvTYPE(sv) == SVt_PVHV) { |
890ce7af | 1031 | HV* const hv = (HV*)sv; |
a0d0e21e LW |
1032 | HE* entry; |
1033 | (void)hv_iterinit(hv); | |
155aba94 | 1034 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
1035 | count += do_chomp(hv_iterval(hv,entry)); |
1036 | return count; | |
1037 | } | |
991e6d41 NC |
1038 | else if (SvREADONLY(sv)) { |
1039 | if (SvFAKE(sv)) { | |
1040 | /* SV is copy-on-write */ | |
1041 | sv_force_normal_flags(sv, 0); | |
1042 | } | |
1043 | if (SvREADONLY(sv)) | |
1044 | Perl_croak(aTHX_ PL_no_modify); | |
1045 | } | |
a6aa349d TS |
1046 | |
1047 | if (PL_encoding) { | |
1048 | if (!SvUTF8(sv)) { | |
1049 | /* XXX, here sv is utf8-ized as a side-effect! | |
1050 | If encoding.pm is used properly, almost string-generating | |
1051 | operations, including literal strings, chr(), input data, etc. | |
1052 | should have been utf8-ized already, right? | |
1053 | */ | |
1054 | sv_recode_to_utf8(sv, PL_encoding); | |
1055 | } | |
1056 | } | |
1057 | ||
a0d0e21e | 1058 | s = SvPV(sv, len); |
a0d0e21e LW |
1059 | if (s && len) { |
1060 | s += --len; | |
3280af22 | 1061 | if (RsPARA(PL_rs)) { |
a0d0e21e LW |
1062 | if (*s != '\n') |
1063 | goto nope; | |
1064 | ++count; | |
1065 | while (len && s[-1] == '\n') { | |
1066 | --len; | |
1067 | --s; | |
1068 | ++count; | |
1069 | } | |
1070 | } | |
a0d0e21e | 1071 | else { |
a6aa349d | 1072 | STRLEN rslen, rs_charlen; |
93524f2b | 1073 | const char *rsptr = SvPV_const(PL_rs, rslen); |
a6aa349d TS |
1074 | |
1075 | rs_charlen = SvUTF8(PL_rs) | |
1076 | ? sv_len_utf8(PL_rs) | |
1077 | : rslen; | |
1078 | ||
c4c87a06 NC |
1079 | if (SvUTF8(PL_rs) != SvUTF8(sv)) { |
1080 | /* Assumption is that rs is shorter than the scalar. */ | |
1081 | if (SvUTF8(PL_rs)) { | |
1082 | /* RS is utf8, scalar is 8 bit. */ | |
1083 | bool is_utf8 = TRUE; | |
1084 | temp_buffer = (char*)bytes_from_utf8((U8*)rsptr, | |
1085 | &rslen, &is_utf8); | |
1086 | if (is_utf8) { | |
1087 | /* Cannot downgrade, therefore cannot possibly match | |
1088 | */ | |
1089 | assert (temp_buffer == rsptr); | |
1090 | temp_buffer = NULL; | |
1091 | goto nope; | |
1092 | } | |
1093 | rsptr = temp_buffer; | |
a6aa349d TS |
1094 | } |
1095 | else if (PL_encoding) { | |
1096 | /* RS is 8 bit, encoding.pm is used. | |
1097 | * Do not recode PL_rs as a side-effect. */ | |
1098 | svrecode = newSVpvn(rsptr, rslen); | |
1099 | sv_recode_to_utf8(svrecode, PL_encoding); | |
93524f2b | 1100 | rsptr = SvPV_const(svrecode, rslen); |
a6aa349d TS |
1101 | rs_charlen = sv_len_utf8(svrecode); |
1102 | } | |
1103 | else { | |
c4c87a06 NC |
1104 | /* RS is 8 bit, scalar is utf8. */ |
1105 | temp_buffer = (char*)bytes_to_utf8((U8*)rsptr, &rslen); | |
1106 | rsptr = temp_buffer; | |
1107 | } | |
1108 | } | |
c07a80fd | 1109 | if (rslen == 1) { |
1110 | if (*s != *rsptr) | |
1111 | goto nope; | |
1112 | ++count; | |
1113 | } | |
1114 | else { | |
8c2cee6f | 1115 | if (len < rslen - 1) |
c07a80fd | 1116 | goto nope; |
1117 | len -= rslen - 1; | |
1118 | s -= rslen - 1; | |
36477c24 | 1119 | if (memNE(s, rsptr, rslen)) |
c07a80fd | 1120 | goto nope; |
a6aa349d | 1121 | count += rs_charlen; |
c07a80fd | 1122 | } |
a0d0e21e | 1123 | } |
8b6b16e7 | 1124 | s = SvPV_force_nolen(sv); |
a0d0e21e | 1125 | SvCUR_set(sv, len); |
9b33ce3b | 1126 | *SvEND(sv) = '\0'; |
a0d0e21e | 1127 | SvNIOK_off(sv); |
9b33ce3b | 1128 | SvSETMAGIC(sv); |
a0d0e21e LW |
1129 | } |
1130 | nope: | |
a6aa349d TS |
1131 | |
1132 | if (svrecode) | |
1133 | SvREFCNT_dec(svrecode); | |
1134 | ||
c4c87a06 | 1135 | Safefree(temp_buffer); |
a0d0e21e | 1136 | return count; |
8e84507e | 1137 | } |
79072805 LW |
1138 | |
1139 | void | |
864dbfa3 | 1140 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 LW |
1141 | { |
1142 | #ifdef LIBERAL | |
1143 | register long *dl; | |
1144 | register long *ll; | |
1145 | register long *rl; | |
1146 | #endif | |
1147 | register char *dc; | |
463ee0b2 LW |
1148 | STRLEN leftlen; |
1149 | STRLEN rightlen; | |
e62f0680 NC |
1150 | register const char *lc; |
1151 | register const char *rc; | |
79072805 | 1152 | register I32 len; |
a0d0e21e | 1153 | I32 lensave; |
e62f0680 NC |
1154 | const char *lsave; |
1155 | const char *rsave; | |
f54cb97a AL |
1156 | const bool left_utf = DO_UTF8(left); |
1157 | const bool right_utf = DO_UTF8(right); | |
b7953727 | 1158 | I32 needlen = 0; |
0c57e439 GS |
1159 | |
1160 | if (left_utf && !right_utf) | |
1161 | sv_utf8_upgrade(right); | |
a1ca4561 | 1162 | else if (!left_utf && right_utf) |
0c57e439 | 1163 | sv_utf8_upgrade(left); |
79072805 | 1164 | |
1fbd88dc CS |
1165 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
1166 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ | |
e62f0680 NC |
1167 | lsave = lc = SvPV_nomg_const(left, leftlen); |
1168 | rsave = rc = SvPV_nomg_const(right, rightlen); | |
93a17b20 | 1169 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e | 1170 | lensave = len; |
c9b3c8d0 JH |
1171 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
1172 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; | |
a02a5408 | 1173 | Newxz(dc, needlen + 1, char); |
c9b3c8d0 JH |
1174 | } |
1175 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { | |
2d8e6c8d | 1176 | STRLEN n_a; |
891f9566 | 1177 | dc = SvPV_force_nomg(sv, n_a); |
eb160463 GS |
1178 | if (SvCUR(sv) < (STRLEN)len) { |
1179 | dc = SvGROW(sv, (STRLEN)(len + 1)); | |
ff68c719 | 1180 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
1181 | } | |
c9b3c8d0 JH |
1182 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
1183 | dc = SvGROW(sv, leftlen + rightlen + 1); | |
ff68c719 | 1184 | } |
1185 | else { | |
c9b3c8d0 JH |
1186 | needlen = ((optype == OP_BIT_AND) |
1187 | ? len : (leftlen > rightlen ? leftlen : rightlen)); | |
a02a5408 | 1188 | Newxz(dc, needlen + 1, char); |
ff68c719 | 1189 | (void)sv_usepvn(sv, dc, needlen); |
1190 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ | |
79072805 | 1191 | } |
a0d0e21e LW |
1192 | SvCUR_set(sv, len); |
1193 | (void)SvPOK_only(sv); | |
0c57e439 GS |
1194 | if (left_utf || right_utf) { |
1195 | UV duc, luc, ruc; | |
c9b3c8d0 | 1196 | char *dcsave = dc; |
0c57e439 GS |
1197 | STRLEN lulen = leftlen; |
1198 | STRLEN rulen = rightlen; | |
ba210ebe | 1199 | STRLEN ulen; |
0c57e439 GS |
1200 | |
1201 | switch (optype) { | |
1202 | case OP_BIT_AND: | |
1203 | while (lulen && rulen) { | |
9041c2e3 | 1204 | luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1205 | lc += ulen; |
1206 | lulen -= ulen; | |
9041c2e3 | 1207 | ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1208 | rc += ulen; |
1209 | rulen -= ulen; | |
1210 | duc = luc & ruc; | |
9041c2e3 | 1211 | dc = (char*)uvchr_to_utf8((U8*)dc, duc); |
0c57e439 | 1212 | } |
c9b3c8d0 JH |
1213 | if (sv == left || sv == right) |
1214 | (void)sv_usepvn(sv, dcsave, needlen); | |
1215 | SvCUR_set(sv, dc - dcsave); | |
0c57e439 GS |
1216 | break; |
1217 | case OP_BIT_XOR: | |
1218 | while (lulen && rulen) { | |
9041c2e3 | 1219 | luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1220 | lc += ulen; |
1221 | lulen -= ulen; | |
9041c2e3 | 1222 | ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1223 | rc += ulen; |
1224 | rulen -= ulen; | |
1225 | duc = luc ^ ruc; | |
9041c2e3 | 1226 | dc = (char*)uvchr_to_utf8((U8*)dc, duc); |
0c57e439 GS |
1227 | } |
1228 | goto mop_up_utf; | |
1229 | case OP_BIT_OR: | |
1230 | while (lulen && rulen) { | |
9041c2e3 | 1231 | luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1232 | lc += ulen; |
1233 | lulen -= ulen; | |
9041c2e3 | 1234 | ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1235 | rc += ulen; |
1236 | rulen -= ulen; | |
1237 | duc = luc | ruc; | |
9041c2e3 | 1238 | dc = (char*)uvchr_to_utf8((U8*)dc, duc); |
0c57e439 GS |
1239 | } |
1240 | mop_up_utf: | |
c9b3c8d0 JH |
1241 | if (sv == left || sv == right) |
1242 | (void)sv_usepvn(sv, dcsave, needlen); | |
1243 | SvCUR_set(sv, dc - dcsave); | |
0c57e439 GS |
1244 | if (rulen) |
1245 | sv_catpvn(sv, rc, rulen); | |
1246 | else if (lulen) | |
1247 | sv_catpvn(sv, lc, lulen); | |
1248 | else | |
1249 | *SvEND(sv) = '\0'; | |
1250 | break; | |
1251 | } | |
1252 | SvUTF8_on(sv); | |
1253 | goto finish; | |
1254 | } | |
1255 | else | |
79072805 LW |
1256 | #ifdef LIBERAL |
1257 | if (len >= sizeof(long)*4 && | |
1258 | !((long)dc % sizeof(long)) && | |
1259 | !((long)lc % sizeof(long)) && | |
1260 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ | |
1261 | { | |
f54cb97a | 1262 | const I32 remainder = len % (sizeof(long)*4); |
79072805 LW |
1263 | len /= (sizeof(long)*4); |
1264 | ||
1265 | dl = (long*)dc; | |
1266 | ll = (long*)lc; | |
1267 | rl = (long*)rc; | |
1268 | ||
1269 | switch (optype) { | |
1270 | case OP_BIT_AND: | |
1271 | while (len--) { | |
1272 | *dl++ = *ll++ & *rl++; | |
1273 | *dl++ = *ll++ & *rl++; | |
1274 | *dl++ = *ll++ & *rl++; | |
1275 | *dl++ = *ll++ & *rl++; | |
1276 | } | |
1277 | break; | |
a0d0e21e | 1278 | case OP_BIT_XOR: |
79072805 LW |
1279 | while (len--) { |
1280 | *dl++ = *ll++ ^ *rl++; | |
1281 | *dl++ = *ll++ ^ *rl++; | |
1282 | *dl++ = *ll++ ^ *rl++; | |
1283 | *dl++ = *ll++ ^ *rl++; | |
1284 | } | |
1285 | break; | |
1286 | case OP_BIT_OR: | |
1287 | while (len--) { | |
1288 | *dl++ = *ll++ | *rl++; | |
1289 | *dl++ = *ll++ | *rl++; | |
1290 | *dl++ = *ll++ | *rl++; | |
1291 | *dl++ = *ll++ | *rl++; | |
1292 | } | |
1293 | } | |
1294 | ||
1295 | dc = (char*)dl; | |
1296 | lc = (char*)ll; | |
1297 | rc = (char*)rl; | |
1298 | ||
1299 | len = remainder; | |
1300 | } | |
1301 | #endif | |
a0d0e21e | 1302 | { |
a0d0e21e LW |
1303 | switch (optype) { |
1304 | case OP_BIT_AND: | |
1305 | while (len--) | |
1306 | *dc++ = *lc++ & *rc++; | |
1307 | break; | |
1308 | case OP_BIT_XOR: | |
1309 | while (len--) | |
1310 | *dc++ = *lc++ ^ *rc++; | |
1311 | goto mop_up; | |
1312 | case OP_BIT_OR: | |
1313 | while (len--) | |
1314 | *dc++ = *lc++ | *rc++; | |
1315 | mop_up: | |
1316 | len = lensave; | |
eb160463 | 1317 | if (rightlen > (STRLEN)len) |
a0d0e21e | 1318 | sv_catpvn(sv, rsave + len, rightlen - len); |
eb160463 | 1319 | else if (leftlen > (STRLEN)len) |
a0d0e21e | 1320 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 LW |
1321 | else |
1322 | *SvEND(sv) = '\0'; | |
a0d0e21e LW |
1323 | break; |
1324 | } | |
79072805 | 1325 | } |
0c57e439 | 1326 | finish: |
fb73857a | 1327 | SvTAINT(sv); |
79072805 | 1328 | } |
463ee0b2 LW |
1329 | |
1330 | OP * | |
cea2e8a9 | 1331 | Perl_do_kv(pTHX) |
463ee0b2 | 1332 | { |
39644a26 | 1333 | dSP; |
463ee0b2 | 1334 | HV *hv = (HV*)POPs; |
800e9ae0 | 1335 | HV *keys; |
463ee0b2 | 1336 | register HE *entry; |
f54cb97a AL |
1337 | const I32 gimme = GIMME_V; |
1338 | const I32 dokv = (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV); | |
1339 | const I32 dokeys = dokv || (PL_op->op_type == OP_KEYS); | |
1340 | const I32 dovalues = dokv || (PL_op->op_type == OP_VALUES); | |
463ee0b2 | 1341 | |
85581909 | 1342 | if (!hv) { |
78f9721b | 1343 | if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */ |
85581909 SB |
1344 | dTARGET; /* make sure to clear its target here */ |
1345 | if (SvTYPE(TARG) == SVt_PVLV) | |
1346 | LvTARG(TARG) = Nullsv; | |
1347 | PUSHs(TARG); | |
1348 | } | |
463ee0b2 | 1349 | RETURN; |
85581909 | 1350 | } |
748a9306 | 1351 | |
6d822dc4 | 1352 | keys = hv; |
800e9ae0 | 1353 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 | 1354 | |
54310121 | 1355 | if (gimme == G_VOID) |
aa689395 | 1356 | RETURN; |
1357 | ||
54310121 | 1358 | if (gimme == G_SCALAR) { |
6ee623d5 | 1359 | IV i; |
463ee0b2 LW |
1360 | dTARGET; |
1361 | ||
78f9721b | 1362 | if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */ |
85581909 SB |
1363 | if (SvTYPE(TARG) < SVt_PVLV) { |
1364 | sv_upgrade(TARG, SVt_PVLV); | |
14befaf4 | 1365 | sv_magic(TARG, Nullsv, PERL_MAGIC_nkeys, Nullch, 0); |
85581909 SB |
1366 | } |
1367 | LvTYPE(TARG) = 'k'; | |
800e9ae0 | 1368 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 GS |
1369 | if (LvTARG(TARG)) |
1370 | SvREFCNT_dec(LvTARG(TARG)); | |
800e9ae0 | 1371 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 | 1372 | } |
85581909 SB |
1373 | PUSHs(TARG); |
1374 | RETURN; | |
1375 | } | |
1376 | ||
14befaf4 | 1377 | if (! SvTIED_mg((SV*)keys, PERL_MAGIC_tied)) |
a98face1 | 1378 | i = HvKEYS(keys); |
463ee0b2 LW |
1379 | else { |
1380 | i = 0; | |
800e9ae0 | 1381 | while (hv_iternext(keys)) i++; |
463ee0b2 LW |
1382 | } |
1383 | PUSHi( i ); | |
1384 | RETURN; | |
1385 | } | |
1386 | ||
8ed4b672 | 1387 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 | 1388 | |
463ee0b2 | 1389 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 | 1390 | while ((entry = hv_iternext(keys))) { |
463ee0b2 | 1391 | SPAGAIN; |
574c8022 | 1392 | if (dokeys) { |
890ce7af | 1393 | SV* const sv = hv_iterkeysv(entry); |
574c8022 JH |
1394 | XPUSHs(sv); /* won't clobber stack_sp */ |
1395 | } | |
463ee0b2 | 1396 | if (dovalues) { |
f54cb97a | 1397 | SV *tmpstr; |
463ee0b2 | 1398 | PUTBACK; |
6d822dc4 | 1399 | tmpstr = hv_iterval(hv,entry); |
cea2e8a9 | 1400 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c | 1401 | (unsigned long)HeHASH(entry), |
cdd3ba14 | 1402 | (int)HvMAX(keys)+1, |
800e9ae0 | 1403 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 | 1404 | SPAGAIN; |
46fc3d4c | 1405 | XPUSHs(tmpstr); |
463ee0b2 LW |
1406 | } |
1407 | PUTBACK; | |
1408 | } | |
1409 | return NORMAL; | |
1410 | } | |
4e35701f | 1411 | |
af3babe4 NC |
1412 | /* |
1413 | * Local variables: | |
1414 | * c-indentation-style: bsd | |
1415 | * c-basic-offset: 4 | |
1416 | * indent-tabs-mode: t | |
1417 | * End: | |
1418 | * | |
37442d52 RGS |
1419 | * ex: set ts=8 sts=4 sw=4 noet: |
1420 | */ |