Commit | Line | Data |
85982a32 |
1 | /* |
f0a41339 |
2 | $Id: Encode.xs,v 1.46 2002/05/20 15:25:44 dankogai Exp dankogai $ |
85982a32 |
3 | */ |
4 | |
fcf2db38 |
5 | #define PERL_NO_GET_CONTEXT |
2c674647 |
6 | #include "EXTERN.h" |
7 | #include "perl.h" |
8 | #include "XSUB.h" |
2f2b4ff2 |
9 | #define U8 U8 |
10 | #include "encode.h" |
10c5ecbb |
11 | |
12 | # define PERLIO_MODNAME "PerlIO::encoding" |
0ab8f81e |
13 | # define PERLIO_FILENAME "PerlIO/encoding.pm" |
aae85ceb |
14 | |
85982a32 |
15 | /* set 1 or more to profile. t/encoding.t dumps core because of |
16 | Perl_warner and PerlIO don't work well */ |
c6a7db43 |
17 | #define ENCODE_XS_PROFILE 0 |
39cf9a5e |
18 | |
85982a32 |
19 | /* set 0 to disable floating point to calculate buffer size for |
20 | encode_method(). 1 is recommended. 2 restores NI-S original */ |
c6a7db43 |
21 | #define ENCODE_XS_USEFP 1 |
39cf9a5e |
22 | |
fcf2db38 |
23 | #define UNIMPLEMENTED(x,y) y x (SV *sv, char *encoding) {dTHX; \ |
2f5768b8 |
24 | Perl_croak(aTHX_ "panic_unimplemented"); \ |
4a83738a |
25 | return (y)0; /* fool picky compilers */ \ |
87714904 |
26 | } |
85982a32 |
27 | /**/ |
011b2d2f |
28 | |
7e9a885a |
29 | UNIMPLEMENTED(_encoded_utf8_to_bytes, I32) |
30 | UNIMPLEMENTED(_encoded_bytes_to_utf8, I32) |
33af2bc7 |
31 | |
b0b300a3 |
32 | void |
aa0053b7 |
33 | Encode_XSEncoding(pTHX_ encode_t * enc) |
2f2b4ff2 |
34 | { |
aa0053b7 |
35 | dSP; |
36 | HV *stash = gv_stashpv("Encode::XS", TRUE); |
37 | SV *sv = sv_bless(newRV_noinc(newSViv(PTR2IV(enc))), stash); |
38 | int i = 0; |
39 | PUSHMARK(sp); |
40 | XPUSHs(sv); |
41 | while (enc->name[i]) { |
42 | const char *name = enc->name[i++]; |
43 | XPUSHs(sv_2mortal(newSVpvn(name, strlen(name)))); |
44 | } |
45 | PUTBACK; |
46 | call_pv("Encode::define_encoding", G_DISCARD); |
47 | SvREFCNT_dec(sv); |
2f2b4ff2 |
48 | } |
49 | |
aa0053b7 |
50 | void |
51 | call_failure(SV * routine, U8 * done, U8 * dest, U8 * orig) |
52 | { |
85982a32 |
53 | /* Exists for breakpointing */ |
aa0053b7 |
54 | } |
67e989fb |
55 | |
85982a32 |
56 | |
2fc614e0 |
57 | #define ERR_ENCODE_NOMAP "\"\\x{%04" UVxf "}\" does not map to %s" |
58 | #define ERR_DECODE_NOMAP "%s \"\\x%02" UVXf "\" does not map to Unicode" |
59 | |
2f2b4ff2 |
60 | static SV * |
aa0053b7 |
61 | encode_method(pTHX_ encode_t * enc, encpage_t * dir, SV * src, |
85982a32 |
62 | int check) |
2f2b4ff2 |
63 | { |
aa0053b7 |
64 | STRLEN slen; |
65 | U8 *s = (U8 *) SvPV(src, slen); |
3aececda |
66 | STRLEN tlen = slen; |
67 | STRLEN ddone = 0; |
68 | STRLEN sdone = 0; |
39cf9a5e |
69 | |
3c49ab08 |
70 | /* We allocate slen+1. |
85982a32 |
71 | PerlIO dumps core if this value is smaller than this. */ |
3c49ab08 |
72 | SV *dst = sv_2mortal(newSV(slen+1)); |
85982a32 |
73 | U8 *d = (U8 *)SvPVX(dst); |
74 | STRLEN dlen = SvLEN(dst)-1; |
75 | int code; |
76 | |
77 | if (!slen){ |
78 | SvCUR_set(dst, 0); |
79 | SvPOK_only(dst); |
80 | goto ENCODE_END; |
81 | } |
82 | |
436c6dd3 |
83 | while( (code = do_encode(dir, s, &slen, d, dlen, &dlen, !check)) ) |
85982a32 |
84 | { |
85 | SvCUR_set(dst, dlen+ddone); |
86 | SvPOK_only(dst); |
0b3236bb |
87 | |
85982a32 |
88 | if (code == ENCODE_FALLBACK || code == ENCODE_PARTIAL){ |
89 | break; |
90 | } |
91 | switch (code) { |
92 | case ENCODE_NOSPACE: |
93 | { |
94 | STRLEN more = 0; /* make sure you initialize! */ |
95 | STRLEN sleft; |
96 | sdone += slen; |
97 | ddone += dlen; |
98 | sleft = tlen - sdone; |
fcb875d4 |
99 | #if ENCODE_XS_PROFILE >= 2 |
85982a32 |
100 | Perl_warn(aTHX_ |
101 | "more=%d, sdone=%d, sleft=%d, SvLEN(dst)=%d\n", |
102 | more, sdone, sleft, SvLEN(dst)); |
fcb875d4 |
103 | #endif |
85982a32 |
104 | if (sdone != 0) { /* has src ever been processed ? */ |
39cf9a5e |
105 | #if ENCODE_XS_USEFP == 2 |
85982a32 |
106 | more = (1.0*tlen*SvLEN(dst)+sdone-1)/sdone |
107 | - SvLEN(dst); |
39cf9a5e |
108 | #elif ENCODE_XS_USEFP |
6e21dc91 |
109 | more = (STRLEN)((1.0*SvLEN(dst)+1)/sdone * sleft); |
39cf9a5e |
110 | #else |
85982a32 |
111 | /* safe until SvLEN(dst) == MAX_INT/16 */ |
112 | more = (16*SvLEN(dst)+1)/sdone/16 * sleft; |
39cf9a5e |
113 | #endif |
39cf9a5e |
114 | } |
85982a32 |
115 | more += UTF8_MAXLEN; /* insurance policy */ |
116 | d = (U8 *) SvGROW(dst, SvLEN(dst) + more); |
117 | /* dst need to grow need MORE bytes! */ |
118 | if (ddone >= SvLEN(dst)) { |
119 | Perl_croak(aTHX_ "Destination couldn't be grown."); |
120 | } |
121 | dlen = SvLEN(dst)-ddone-1; |
122 | d += ddone; |
123 | s += slen; |
124 | slen = tlen-sdone; |
125 | continue; |
126 | } |
127 | case ENCODE_NOREP: |
128 | /* encoding */ |
c6a7db43 |
129 | if (dir == enc->f_utf8) { |
85982a32 |
130 | STRLEN clen; |
131 | UV ch = |
3e952a88 |
132 | utf8n_to_uvuni(s+slen, (SvCUR(src)-slen), |
b0b300a3 |
133 | &clen, UTF8_ALLOW_ANY|UTF8_CHECK_ONLY); |
85982a32 |
134 | if (check & ENCODE_DIE_ON_ERR) { |
2fc614e0 |
135 | Perl_croak(aTHX_ ERR_ENCODE_NOMAP, |
136 | (UV)ch, enc->name[0]); |
4089adc4 |
137 | return &PL_sv_undef; /* never reaches but be safe */ |
138 | } |
139 | if (check & ENCODE_WARN_ON_ERR){ |
140 | Perl_warner(aTHX_ packWARN(WARN_UTF8), |
2fc614e0 |
141 | ERR_ENCODE_NOMAP, (UV)ch, enc->name[0]); |
4089adc4 |
142 | } |
143 | if (check & ENCODE_RETURN_ON_ERR){ |
144 | goto ENCODE_SET_SRC; |
145 | } |
146 | if (check & ENCODE_PERLQQ){ |
147 | SV* perlqq = |
148 | sv_2mortal(newSVpvf("\\x{%04"UVxf"}", (UV)ch)); |
149 | sdone += slen + clen; |
150 | ddone += dlen + SvCUR(perlqq); |
151 | sv_catsv(dst, perlqq); |
152 | }else if (check & ENCODE_HTMLCREF){ |
153 | SV* htmlcref = |
154 | sv_2mortal(newSVpvf("&#%" UVuf ";", (UV)ch)); |
155 | sdone += slen + clen; |
156 | ddone += dlen + SvCUR(htmlcref); |
157 | sv_catsv(dst, htmlcref); |
158 | }else if (check & ENCODE_XMLCREF){ |
159 | SV* xmlcref = |
160 | sv_2mortal(newSVpvf("&#x%" UVxf ";", (UV)ch)); |
161 | sdone += slen + clen; |
162 | ddone += dlen + SvCUR(xmlcref); |
163 | sv_catsv(dst, xmlcref); |
164 | } else { |
165 | /* fallback char */ |
166 | sdone += slen + clen; |
167 | ddone += dlen + enc->replen; |
168 | sv_catpvn(dst, (char*)enc->rep, enc->replen); |
c6a7db43 |
169 | } |
b2704119 |
170 | } |
85982a32 |
171 | /* decoding */ |
c6a7db43 |
172 | else { |
85982a32 |
173 | if (check & ENCODE_DIE_ON_ERR){ |
2fc614e0 |
174 | Perl_croak(aTHX_ ERR_DECODE_NOMAP, |
436c6dd3 |
175 | enc->name[0], (UV)s[slen]); |
4089adc4 |
176 | return &PL_sv_undef; /* never reaches but be safe */ |
177 | } |
178 | if (check & ENCODE_WARN_ON_ERR){ |
179 | Perl_warner( |
180 | aTHX_ packWARN(WARN_UTF8), |
2fc614e0 |
181 | ERR_DECODE_NOMAP, |
436c6dd3 |
182 | enc->name[0], (UV)s[slen]); |
4089adc4 |
183 | } |
184 | if (check & ENCODE_RETURN_ON_ERR){ |
185 | goto ENCODE_SET_SRC; |
186 | } |
187 | if (check & |
188 | (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){ |
189 | SV* perlqq = |
190 | sv_2mortal(newSVpvf("\\x%02" UVXf, (UV)s[slen])); |
191 | sdone += slen + 1; |
192 | ddone += dlen + SvCUR(perlqq); |
193 | sv_catsv(dst, perlqq); |
194 | } else { |
195 | sdone += slen + 1; |
196 | ddone += dlen + strlen(FBCHAR_UTF8); |
197 | sv_catpv(dst, FBCHAR_UTF8); |
aa0053b7 |
198 | } |
b2704119 |
199 | } |
85982a32 |
200 | /* settle variables when fallback */ |
b0b300a3 |
201 | d = (U8 *)SvEND(dst); |
202 | dlen = SvLEN(dst) - ddone - 1; |
3e952a88 |
203 | s = (U8*)SvPVX(src) + sdone; |
b2704119 |
204 | slen = tlen - sdone; |
205 | break; |
2f2b4ff2 |
206 | |
85982a32 |
207 | default: |
208 | Perl_croak(aTHX_ "Unexpected code %d converting %s %s", |
209 | code, (dir == enc->f_utf8) ? "to" : "from", |
210 | enc->name[0]); |
211 | return &PL_sv_undef; |
aa0053b7 |
212 | } |
85982a32 |
213 | } |
214 | ENCODE_SET_SRC: |
ca777f1c |
215 | if (check && !(check & ENCODE_LEAVE_SRC)){ |
216 | sdone = SvCUR(src) - (slen+sdone); |
85982a32 |
217 | if (sdone) { |
218 | sv_setpvn(src, (char*)s+slen, sdone); |
aa0053b7 |
219 | } |
85982a32 |
220 | SvCUR_set(src, sdone); |
2f2b4ff2 |
221 | } |
85982a32 |
222 | /* warn("check = 0x%X, code = 0x%d\n", check, code); */ |
c6a7db43 |
223 | |
85982a32 |
224 | SvCUR_set(dst, dlen+ddone); |
225 | SvPOK_only(dst); |
c6a7db43 |
226 | |
39cf9a5e |
227 | #if ENCODE_XS_PROFILE |
228 | if (SvCUR(dst) > SvCUR(src)){ |
85982a32 |
229 | Perl_warn(aTHX_ |
230 | "SvLEN(dst)=%d, SvCUR(dst)=%d. %d bytes unused(%f %%)\n", |
231 | SvLEN(dst), SvCUR(dst), SvLEN(dst) - SvCUR(dst), |
232 | (SvLEN(dst) - SvCUR(dst))*1.0/SvLEN(dst)*100.0); |
39cf9a5e |
233 | } |
3c49ab08 |
234 | #endif |
c6a7db43 |
235 | |
85982a32 |
236 | ENCODE_END: |
0b3236bb |
237 | *SvEND(dst) = '\0'; |
aa0053b7 |
238 | return dst; |
2f2b4ff2 |
239 | } |
240 | |
19d607df |
241 | MODULE = Encode PACKAGE = Encode::utf8 PREFIX = Method_ |
242 | |
243 | void |
244 | Method_decode(obj,src,check = 0) |
245 | SV * obj |
246 | SV * src |
247 | int check |
248 | CODE: |
249 | { |
250 | STRLEN slen; |
251 | U8 *s = (U8 *) SvPV(src, slen); |
252 | U8 *e = (U8 *) SvEND(src); |
253 | SV *dst = newSV(slen); |
254 | SvPOK_only(dst); |
255 | SvCUR_set(dst,0); |
a7010e7f |
256 | if (SvUTF8(src)) { |
257 | s = utf8_to_bytes(s,&slen); |
258 | if (s) { |
259 | SvCUR_set(src,slen); |
260 | SvUTF8_off(src); |
261 | e = s+slen; |
262 | } |
263 | else { |
264 | croak("Cannot decode string with wide characters"); |
265 | } |
266 | } |
19d607df |
267 | while (s < e) { |
268 | if (UTF8_IS_INVARIANT(*s) || UTF8_IS_START(*s)) { |
269 | U8 skip = UTF8SKIP(s); |
270 | if ((s + skip) > e) { |
271 | /* Partial character - done */ |
272 | break; |
273 | } |
274 | else if (is_utf8_char(s)) { |
275 | /* Whole char is good */ |
276 | sv_catpvn(dst,(char *)s,skip); |
277 | s += skip; |
278 | continue; |
279 | } |
280 | else { |
281 | /* starts ok but isn't "good" */ |
282 | } |
283 | } |
284 | else { |
285 | /* Invalid start byte */ |
286 | } |
287 | /* If we get here there is something wrong with alleged UTF-8 */ |
288 | if (check & ENCODE_DIE_ON_ERR){ |
289 | Perl_croak(aTHX_ ERR_DECODE_NOMAP, "utf8", (UV)*s); |
290 | XSRETURN(0); |
291 | } |
292 | if (check & ENCODE_WARN_ON_ERR){ |
293 | Perl_warner(aTHX_ packWARN(WARN_UTF8), |
294 | ERR_DECODE_NOMAP, "utf8", (UV)*s); |
295 | } |
296 | if (check & ENCODE_RETURN_ON_ERR) { |
297 | break; |
298 | } |
299 | if (check & (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){ |
300 | SV* perlqq = newSVpvf("\\x%02" UVXf, (UV)*s); |
301 | sv_catsv(dst, perlqq); |
302 | SvREFCNT_dec(perlqq); |
303 | } else { |
304 | sv_catpv(dst, FBCHAR_UTF8); |
305 | } |
306 | s++; |
307 | } |
308 | *SvEND(dst) = '\0'; |
309 | |
310 | /* Clear out translated part of source unless asked not to */ |
311 | if (check && !(check & ENCODE_LEAVE_SRC)){ |
312 | slen = e-s; |
313 | if (slen) { |
314 | sv_setpvn(src, (char*)s, slen); |
315 | } |
316 | SvCUR_set(src, slen); |
317 | } |
318 | SvUTF8_on(dst); |
319 | ST(0) = sv_2mortal(dst); |
320 | XSRETURN(1); |
321 | } |
322 | |
323 | void |
324 | Method_encode(obj,src,check = 0) |
325 | SV * obj |
326 | SV * src |
327 | int check |
328 | CODE: |
329 | { |
330 | STRLEN slen; |
331 | U8 *s = (U8 *) SvPV(src, slen); |
332 | U8 *e = (U8 *) SvEND(src); |
333 | SV *dst = newSV(slen); |
334 | if (SvUTF8(src)) { |
335 | /* Already encoded - trust it and just copy the octets */ |
336 | sv_setpvn(dst,(char *)s,(e-s)); |
337 | s = e; |
338 | } |
339 | else { |
340 | /* Native bytes - can always encode */ |
341 | U8 *d = (U8 *) SvGROW(dst,2*slen); |
342 | while (s < e) { |
343 | UV uv = NATIVE_TO_UNI((UV) *s++); |
344 | if (UNI_IS_INVARIANT(uv)) |
345 | *d++ = (U8)UTF_TO_NATIVE(uv); |
346 | else { |
347 | *d++ = (U8)UTF8_EIGHT_BIT_HI(uv); |
348 | *d++ = (U8)UTF8_EIGHT_BIT_LO(uv); |
349 | } |
350 | } |
351 | SvCUR_set(dst, d- (U8 *)SvPVX(dst)); |
352 | *SvEND(dst) = '\0'; |
353 | } |
354 | |
355 | /* Clear out translated part of source unless asked not to */ |
356 | if (check && !(check & ENCODE_LEAVE_SRC)){ |
357 | slen = e-s; |
358 | if (slen) { |
359 | sv_setpvn(src, (char*)s, slen); |
360 | } |
361 | SvCUR_set(src, slen); |
362 | } |
363 | SvPOK_only(dst); |
364 | SvUTF8_off(dst); |
365 | ST(0) = sv_2mortal(dst); |
366 | XSRETURN(1); |
367 | } |
368 | |
50d26985 |
369 | MODULE = Encode PACKAGE = Encode::XS PREFIX = Method_ |
2f2b4ff2 |
370 | |
371 | PROTOTYPES: ENABLE |
372 | |
373 | void |
0a95303c |
374 | Method_name(obj) |
375 | SV * obj |
376 | CODE: |
85982a32 |
377 | { |
378 | encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); |
379 | ST(0) = sv_2mortal(newSVpvn(enc->name[0],strlen(enc->name[0]))); |
380 | XSRETURN(1); |
381 | } |
0a95303c |
382 | |
383 | void |
b2704119 |
384 | Method_decode(obj,src,check = 0) |
2f2b4ff2 |
385 | SV * obj |
386 | SV * src |
b2704119 |
387 | int check |
2f2b4ff2 |
388 | CODE: |
aae85ceb |
389 | { |
85982a32 |
390 | encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); |
391 | ST(0) = encode_method(aTHX_ enc, enc->t_utf8, src, check); |
392 | SvUTF8_on(ST(0)); |
aae85ceb |
393 | XSRETURN(1); |
394 | } |
395 | |
396 | void |
85982a32 |
397 | Method_encode(obj,src,check = 0) |
aae85ceb |
398 | SV * obj |
85982a32 |
399 | SV * src |
400 | int check |
aae85ceb |
401 | CODE: |
402 | { |
85982a32 |
403 | encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); |
404 | sv_utf8_upgrade(src); |
405 | ST(0) = encode_method(aTHX_ enc, enc->f_utf8, src, check); |
aae85ceb |
406 | XSRETURN(1); |
407 | } |
408 | |
0ab8f81e |
409 | void |
410 | Method_needs_lines(obj) |
411 | SV * obj |
412 | CODE: |
413 | { |
b32afa7c |
414 | /* encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); */ |
0ab8f81e |
415 | ST(0) = &PL_sv_no; |
416 | XSRETURN(1); |
417 | } |
418 | |
419 | void |
420 | Method_perlio_ok(obj) |
421 | SV * obj |
422 | CODE: |
423 | { |
b32afa7c |
424 | /* encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); */ |
10c5ecbb |
425 | /* require_pv(PERLIO_FILENAME); */ |
426 | |
427 | eval_pv("require PerlIO::encoding", 0); |
428 | |
429 | if (SvTRUE(get_sv("@", 0))) { |
0ab8f81e |
430 | ST(0) = &PL_sv_no; |
10c5ecbb |
431 | }else{ |
432 | ST(0) = &PL_sv_yes; |
0ab8f81e |
433 | } |
434 | XSRETURN(1); |
435 | } |
436 | |
67e989fb |
437 | MODULE = Encode PACKAGE = Encode |
2c674647 |
438 | |
439 | PROTOTYPES: ENABLE |
440 | |
67e989fb |
441 | I32 |
2c674647 |
442 | _bytes_to_utf8(sv, ...) |
85982a32 |
443 | SV * sv |
444 | CODE: |
445 | { |
446 | SV * encoding = items == 2 ? ST(1) : Nullsv; |
c6a7db43 |
447 | |
85982a32 |
448 | if (encoding) |
449 | RETVAL = _encoded_bytes_to_utf8(sv, SvPV_nolen(encoding)); |
450 | else { |
451 | STRLEN len; |
452 | U8* s = (U8*)SvPV(sv, len); |
453 | U8* converted; |
454 | |
455 | converted = bytes_to_utf8(s, &len); /* This allocs */ |
456 | sv_setpvn(sv, (char *)converted, len); |
457 | SvUTF8_on(sv); /* XXX Should we? */ |
458 | Safefree(converted); /* ... so free it */ |
459 | RETVAL = len; |
460 | } |
461 | } |
462 | OUTPUT: |
463 | RETVAL |
2c674647 |
464 | |
67e989fb |
465 | I32 |
2c674647 |
466 | _utf8_to_bytes(sv, ...) |
85982a32 |
467 | SV * sv |
468 | CODE: |
469 | { |
470 | SV * to = items > 1 ? ST(1) : Nullsv; |
471 | SV * check = items > 2 ? ST(2) : Nullsv; |
472 | |
473 | if (to) { |
474 | RETVAL = _encoded_utf8_to_bytes(sv, SvPV_nolen(to)); |
475 | } else { |
476 | STRLEN len; |
477 | U8 *s = (U8*)SvPV(sv, len); |
478 | |
479 | RETVAL = 0; |
480 | if (SvTRUE(check)) { |
481 | /* Must do things the slow way */ |
482 | U8 *dest; |
483 | /* We need a copy to pass to check() */ |
c6a7db43 |
484 | U8 *src = (U8*)savepv((char *)s); |
85982a32 |
485 | U8 *send = s + len; |
486 | |
487 | New(83, dest, len, U8); /* I think */ |
488 | |
489 | while (s < send) { |
490 | if (*s < 0x80){ |
491 | *dest++ = *s++; |
492 | } else { |
493 | STRLEN ulen; |
494 | UV uv = *s++; |
495 | |
496 | /* Have to do it all ourselves because of error routine, |
497 | aargh. */ |
498 | if (!(uv & 0x40)){ goto failure; } |
499 | if (!(uv & 0x20)) { ulen = 2; uv &= 0x1f; } |
500 | else if (!(uv & 0x10)) { ulen = 3; uv &= 0x0f; } |
501 | else if (!(uv & 0x08)) { ulen = 4; uv &= 0x07; } |
502 | else if (!(uv & 0x04)) { ulen = 5; uv &= 0x03; } |
503 | else if (!(uv & 0x02)) { ulen = 6; uv &= 0x01; } |
504 | else if (!(uv & 0x01)) { ulen = 7; uv = 0; } |
505 | else { ulen = 13; uv = 0; } |
87714904 |
506 | |
85982a32 |
507 | /* Note change to utf8.c variable naming, for variety */ |
508 | while (ulen--) { |
c6a7db43 |
509 | if ((*s & 0xc0) != 0x80){ |
510 | goto failure; |
85982a32 |
511 | } else { |
512 | uv = (uv << 6) | (*s++ & 0x3f); |
513 | } |
87714904 |
514 | } |
67e989fb |
515 | if (uv > 256) { |
516 | failure: |
85982a32 |
517 | call_failure(check, s, dest, src); |
518 | /* Now what happens? */ |
67e989fb |
519 | } |
520 | *dest++ = (U8)uv; |
85982a32 |
521 | } |
522 | } |
523 | } else { |
524 | RETVAL = (utf8_to_bytes(s, &len) ? len : 0); |
2c674647 |
525 | } |
85982a32 |
526 | } |
527 | } |
528 | OUTPUT: |
529 | RETVAL |
2c674647 |
530 | |
2c674647 |
531 | bool |
b2704119 |
532 | is_utf8(sv, check = 0) |
4411f3b6 |
533 | SV * sv |
b2704119 |
534 | int check |
85982a32 |
535 | CODE: |
536 | { |
537 | if (SvGMAGICAL(sv)) /* it could be $1, for example */ |
538 | sv = newSVsv(sv); /* GMAGIG will be done */ |
539 | if (SvPOK(sv)) { |
540 | RETVAL = SvUTF8(sv) ? TRUE : FALSE; |
541 | if (RETVAL && |
542 | check && |
543 | !is_utf8_string((U8*)SvPVX(sv), SvCUR(sv))) |
2c674647 |
544 | RETVAL = FALSE; |
85982a32 |
545 | } else { |
546 | RETVAL = FALSE; |
547 | } |
548 | if (sv != ST(0)) |
549 | SvREFCNT_dec(sv); /* it was a temp copy */ |
550 | } |
551 | OUTPUT: |
552 | RETVAL |
2c674647 |
553 | |
554 | SV * |
4411f3b6 |
555 | _utf8_on(sv) |
85982a32 |
556 | SV * sv |
557 | CODE: |
558 | { |
559 | if (SvPOK(sv)) { |
560 | SV *rsv = newSViv(SvUTF8(sv)); |
561 | RETVAL = rsv; |
562 | SvUTF8_on(sv); |
563 | } else { |
564 | RETVAL = &PL_sv_undef; |
565 | } |
566 | } |
567 | OUTPUT: |
568 | RETVAL |
2c674647 |
569 | |
570 | SV * |
4411f3b6 |
571 | _utf8_off(sv) |
85982a32 |
572 | SV * sv |
573 | CODE: |
574 | { |
575 | if (SvPOK(sv)) { |
576 | SV *rsv = newSViv(SvUTF8(sv)); |
577 | RETVAL = rsv; |
578 | SvUTF8_off(sv); |
579 | } else { |
580 | RETVAL = &PL_sv_undef; |
581 | } |
582 | } |
583 | OUTPUT: |
584 | RETVAL |
585 | |
85982a32 |
586 | int |
587 | DIE_ON_ERR() |
588 | CODE: |
589 | RETVAL = ENCODE_DIE_ON_ERR; |
590 | OUTPUT: |
591 | RETVAL |
592 | |
c6a7db43 |
593 | int |
85982a32 |
594 | WARN_ON_ERR() |
595 | CODE: |
596 | RETVAL = ENCODE_WARN_ON_ERR; |
597 | OUTPUT: |
598 | RETVAL |
599 | |
600 | int |
601 | LEAVE_SRC() |
602 | CODE: |
603 | RETVAL = ENCODE_LEAVE_SRC; |
604 | OUTPUT: |
605 | RETVAL |
606 | |
607 | int |
608 | RETURN_ON_ERR() |
609 | CODE: |
610 | RETVAL = ENCODE_RETURN_ON_ERR; |
611 | OUTPUT: |
612 | RETVAL |
613 | |
614 | int |
615 | PERLQQ() |
616 | CODE: |
617 | RETVAL = ENCODE_PERLQQ; |
618 | OUTPUT: |
619 | RETVAL |
620 | |
621 | int |
af1f55d9 |
622 | HTMLCREF() |
623 | CODE: |
624 | RETVAL = ENCODE_HTMLCREF; |
625 | OUTPUT: |
626 | RETVAL |
627 | |
628 | int |
629 | XMLCREF() |
630 | CODE: |
631 | RETVAL = ENCODE_XMLCREF; |
632 | OUTPUT: |
633 | RETVAL |
634 | |
635 | int |
85982a32 |
636 | FB_DEFAULT() |
637 | CODE: |
638 | RETVAL = ENCODE_FB_DEFAULT; |
639 | OUTPUT: |
640 | RETVAL |
641 | |
642 | int |
643 | FB_CROAK() |
644 | CODE: |
645 | RETVAL = ENCODE_FB_CROAK; |
646 | OUTPUT: |
647 | RETVAL |
648 | |
649 | int |
650 | FB_QUIET() |
651 | CODE: |
652 | RETVAL = ENCODE_FB_QUIET; |
653 | OUTPUT: |
654 | RETVAL |
655 | |
656 | int |
657 | FB_WARN() |
658 | CODE: |
659 | RETVAL = ENCODE_FB_WARN; |
660 | OUTPUT: |
661 | RETVAL |
662 | |
663 | int |
664 | FB_PERLQQ() |
665 | CODE: |
666 | RETVAL = ENCODE_FB_PERLQQ; |
667 | OUTPUT: |
668 | RETVAL |
2c674647 |
669 | |
af1f55d9 |
670 | int |
671 | FB_HTMLCREF() |
672 | CODE: |
673 | RETVAL = ENCODE_FB_HTMLCREF; |
674 | OUTPUT: |
675 | RETVAL |
676 | |
677 | int |
678 | FB_XMLCREF() |
679 | CODE: |
680 | RETVAL = ENCODE_FB_XMLCREF; |
681 | OUTPUT: |
682 | RETVAL |
683 | |
33af2bc7 |
684 | BOOT: |
685 | { |
85982a32 |
686 | #include "def_t.h" |
e7cbefb8 |
687 | #include "def_t.exh" |
33af2bc7 |
688 | } |