+/*
+ $Id: Encode.xs,v 1.46 2002/05/20 15:25:44 dankogai Exp dankogai $
+ */
+
#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#define U8 U8
#include "encode.h"
-#include "def_t.h"
-
-#define FBCHAR 0xFFFd
-#define FBCHAR_UTF8 "\xEF\xBF\xBD"
-#define BOM_BE 0xFeFF
-#define BOM16LE 0xFFFe
-#define BOM32LE 0xFFFe0000
-#define issurrogate(x) (0xD800 <= (x) && (x) <= 0xDFFF )
-#define isHiSurrogate(x) (0xD800 <= (x) && (x) < 0xDC00 )
-#define isLoSurrogate(x) (0xDC00 <= (x) && (x) <= 0xDFFF )
-#define invalid_ucs2(x) ( issurrogate(x) || 0xFFFF < (x) )
-
-static UV
-enc_unpack(pTHX_ U8 **sp,U8 *e,STRLEN size,U8 endian)
-{
- U8 *s = *sp;
- UV v = 0;
- if (s+size > e) {
- croak("Partial character %c",(char) endian);
- }
- switch(endian) {
- case 'N':
- v = *s++;
- v = (v << 8) | *s++;
- case 'n':
- v = (v << 8) | *s++;
- v = (v << 8) | *s++;
- break;
- case 'V':
- case 'v':
- v |= *s++;
- v |= (*s++ << 8);
- if (endian == 'v')
- break;
- v |= (*s++ << 16);
- v |= (*s++ << 24);
- break;
- default:
- croak("Unknown endian %c",(char) endian);
- break;
- }
- *sp = s;
- return v;
-}
-void
-enc_pack(pTHX_ SV *result,STRLEN size,U8 endian,UV value)
-{
- U8 *d = (U8 *)SvGROW(result,SvCUR(result)+size);
- switch(endian) {
- case 'v':
- case 'V':
- d += SvCUR(result);
- SvCUR_set(result,SvCUR(result)+size);
- while (size--) {
- *d++ = value & 0xFF;
- value >>= 8;
- }
- break;
- case 'n':
- case 'N':
- SvCUR_set(result,SvCUR(result)+size);
- d += SvCUR(result);
- while (size--) {
- *--d = value & 0xFF;
- value >>= 8;
- }
- break;
- default:
- croak("Unknown endian %c",(char) endian);
- break;
- }
-}
+# define PERLIO_MODNAME "PerlIO::encoding"
+# define PERLIO_FILENAME "PerlIO/encoding.pm"
-#define ENCODE_XS_PROFILE 0 /* set 1 or more to profile.
- t/encoding.t dumps core because of
- Perl_warner and PerlIO don't work well */
+/* set 1 or more to profile. t/encoding.t dumps core because of
+ Perl_warner and PerlIO don't work well */
+#define ENCODE_XS_PROFILE 0
-#define ENCODE_XS_USEFP 1 /* set 0 to disable floating point to calculate
- buffer size for encode_method().
- 1 is recommended. 2 restores NI-S original */
+/* set 0 to disable floating point to calculate buffer size for
+ encode_method(). 1 is recommended. 2 restores NI-S original */
+#define ENCODE_XS_USEFP 1
#define UNIMPLEMENTED(x,y) y x (SV *sv, char *encoding) {dTHX; \
Perl_croak(aTHX_ "panic_unimplemented"); \
return (y)0; /* fool picky compilers */ \
}
+/**/
+
UNIMPLEMENTED(_encoded_utf8_to_bytes, I32)
- UNIMPLEMENTED(_encoded_bytes_to_utf8, I32)
+UNIMPLEMENTED(_encoded_bytes_to_utf8, I32)
void
Encode_XSEncoding(pTHX_ encode_t * enc)
void
call_failure(SV * routine, U8 * done, U8 * dest, U8 * orig)
{
- /* Exists for breakpointing */
+ /* Exists for breakpointing */
}
+
+#define ERR_ENCODE_NOMAP "\"\\x{%04" UVxf "}\" does not map to %s"
+#define ERR_DECODE_NOMAP "%s \"\\x%02" UVXf "\" does not map to Unicode"
+
static SV *
encode_method(pTHX_ encode_t * enc, encpage_t * dir, SV * src,
- int check)
+ int check)
{
STRLEN slen;
U8 *s = (U8 *) SvPV(src, slen);
STRLEN sdone = 0;
/* We allocate slen+1.
- PerlIO dumps core if this value is smaller than this. */
+ PerlIO dumps core if this value is smaller than this. */
SV *dst = sv_2mortal(newSV(slen+1));
- if (slen) {
- U8 *d = (U8 *) SvPVX(dst);
- STRLEN dlen = SvLEN(dst)-1;
- int code;
- while ((code = do_encode(dir, s, &slen, d, dlen, &dlen, !check))) {
- SvCUR_set(dst, dlen+ddone);
- SvPOK_only(dst);
-
-#if ENCODE_XS_PROFILE >= 3
- Perl_warn(aTHX_ "code=%d @ s=%d/%d/%d d=%d/%d/%d\n",code,slen,sdone,tlen,dlen,ddone,SvLEN(dst)-1);
-#endif
+ U8 *d = (U8 *)SvPVX(dst);
+ STRLEN dlen = SvLEN(dst)-1;
+ int code;
+
+ if (!slen){
+ SvCUR_set(dst, 0);
+ SvPOK_only(dst);
+ goto ENCODE_END;
+ }
+
+ while( (code = do_encode(dir, s, &slen, d, dlen, &dlen, !check)) )
+ {
+ SvCUR_set(dst, dlen+ddone);
+ SvPOK_only(dst);
- if (code == ENCODE_FALLBACK || code == ENCODE_PARTIAL)
- break;
-
- switch (code) {
- case ENCODE_NOSPACE:
- {
- STRLEN more = 0; /* make sure you initialize! */
- STRLEN sleft;
- sdone += slen;
- ddone += dlen;
- sleft = tlen - sdone;
+ if (code == ENCODE_FALLBACK || code == ENCODE_PARTIAL){
+ break;
+ }
+ switch (code) {
+ case ENCODE_NOSPACE:
+ {
+ STRLEN more = 0; /* make sure you initialize! */
+ STRLEN sleft;
+ sdone += slen;
+ ddone += dlen;
+ sleft = tlen - sdone;
#if ENCODE_XS_PROFILE >= 2
- Perl_warn(aTHX_
- "more=%d, sdone=%d, sleft=%d, SvLEN(dst)=%d\n",
- more, sdone, sleft, SvLEN(dst));
+ Perl_warn(aTHX_
+ "more=%d, sdone=%d, sleft=%d, SvLEN(dst)=%d\n",
+ more, sdone, sleft, SvLEN(dst));
#endif
- if (sdone != 0) { /* has src ever been processed ? */
+ if (sdone != 0) { /* has src ever been processed ? */
#if ENCODE_XS_USEFP == 2
- more = (1.0*tlen*SvLEN(dst)+sdone-1)/sdone
- - SvLEN(dst);
+ more = (1.0*tlen*SvLEN(dst)+sdone-1)/sdone
+ - SvLEN(dst);
#elif ENCODE_XS_USEFP
- more = (1.0*SvLEN(dst)+1)/sdone * sleft;
+ more = (STRLEN)((1.0*SvLEN(dst)+1)/sdone * sleft);
#else
- /* safe until SvLEN(dst) == MAX_INT/16 */
- more = (16*SvLEN(dst)+1)/sdone/16 * sleft;
-#endif
- }
- more += UTF8_MAXLEN; /* insurance policy */
-#if ENCODE_XS_PROFILE >= 2
- Perl_warn(aTHX_
- "more=%d, sdone=%d, sleft=%d, SvLEN(dst)=%d\n",
- more, sdone, sleft, SvLEN(dst));
+ /* safe until SvLEN(dst) == MAX_INT/16 */
+ more = (16*SvLEN(dst)+1)/sdone/16 * sleft;
#endif
- d = (U8 *) SvGROW(dst, SvLEN(dst) + more);
- /* dst need to grow need MORE bytes! */
- if (ddone >= SvLEN(dst)) {
- Perl_croak(aTHX_ "Destination couldn't be grown.");
- }
- dlen = SvLEN(dst)-ddone-1;
- d += ddone;
- s += slen;
- slen = tlen-sdone;
- continue;
}
-
- case ENCODE_NOREP:
- if (dir == enc->f_utf8) {
- STRLEN clen;
- UV ch =
- utf8n_to_uvuni(s + slen, (SvCUR(src) - slen),
- &clen, 0);
- if (!check) { /* fallback char */
- sdone += slen + clen;
- ddone += dlen + enc->replen;
- sv_catpvn(dst, enc->rep, enc->replen);
- }
- else if (check == -1){ /* perlqq */
- SV* perlqq =
- sv_2mortal(newSVpvf("\\x{%x}", ch));
- sdone += slen + clen;
- ddone += dlen + SvLEN(perlqq);
- sv_catsv(dst, perlqq);
- }
- else {
- Perl_croak(aTHX_
- "\"\\N{U+%" UVxf
- "}\" does not map to %s", ch,
- enc->name[0]);
- }
+ more += UTF8_MAXLEN; /* insurance policy */
+ d = (U8 *) SvGROW(dst, SvLEN(dst) + more);
+ /* dst need to grow need MORE bytes! */
+ if (ddone >= SvLEN(dst)) {
+ Perl_croak(aTHX_ "Destination couldn't be grown.");
}
+ dlen = SvLEN(dst)-ddone-1;
+ d += ddone;
+ s += slen;
+ slen = tlen-sdone;
+ continue;
+ }
+ case ENCODE_NOREP:
+ /* encoding */
+ if (dir == enc->f_utf8) {
+ STRLEN clen;
+ UV ch =
+ utf8n_to_uvuni(s+slen, (SvCUR(src)-slen),
+ &clen, UTF8_ALLOW_ANY|UTF8_CHECK_ONLY);
+ if (check & ENCODE_DIE_ON_ERR) {
+ Perl_croak(aTHX_ ERR_ENCODE_NOMAP,
+ (UV)ch, enc->name[0]);
+ return &PL_sv_undef; /* never reaches but be safe */
+ }
+ if (check & ENCODE_WARN_ON_ERR){
+ Perl_warner(aTHX_ packWARN(WARN_UTF8),
+ ERR_ENCODE_NOMAP, (UV)ch, enc->name[0]);
+ }
+ if (check & ENCODE_RETURN_ON_ERR){
+ goto ENCODE_SET_SRC;
+ }
+ if (check & ENCODE_PERLQQ){
+ SV* perlqq =
+ sv_2mortal(newSVpvf("\\x{%04"UVxf"}", (UV)ch));
+ sdone += slen + clen;
+ ddone += dlen + SvCUR(perlqq);
+ sv_catsv(dst, perlqq);
+ }else if (check & ENCODE_HTMLCREF){
+ SV* htmlcref =
+ sv_2mortal(newSVpvf("&#%" UVuf ";", (UV)ch));
+ sdone += slen + clen;
+ ddone += dlen + SvCUR(htmlcref);
+ sv_catsv(dst, htmlcref);
+ }else if (check & ENCODE_XMLCREF){
+ SV* xmlcref =
+ sv_2mortal(newSVpvf("&#x%" UVxf ";", (UV)ch));
+ sdone += slen + clen;
+ ddone += dlen + SvCUR(xmlcref);
+ sv_catsv(dst, xmlcref);
+ } else {
+ /* fallback char */
+ sdone += slen + clen;
+ ddone += dlen + enc->replen;
+ sv_catpvn(dst, (char*)enc->rep, enc->replen);
+ }
+ }
+ /* decoding */
else {
- if (!check){ /* fallback char */
- sdone += slen + 1;
- ddone += dlen + strlen(FBCHAR_UTF8);
- sv_catpv(dst, FBCHAR_UTF8);
+ if (check & ENCODE_DIE_ON_ERR){
+ Perl_croak(aTHX_ ERR_DECODE_NOMAP,
+ enc->name[0], (UV)s[slen]);
+ return &PL_sv_undef; /* never reaches but be safe */
+ }
+ if (check & ENCODE_WARN_ON_ERR){
+ Perl_warner(
+ aTHX_ packWARN(WARN_UTF8),
+ ERR_DECODE_NOMAP,
+ enc->name[0], (UV)s[slen]);
}
- else if (check == -1){ /* perlqq */
+ if (check & ENCODE_RETURN_ON_ERR){
+ goto ENCODE_SET_SRC;
+ }
+ if (check &
+ (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){
SV* perlqq =
- sv_2mortal(newSVpvf("\\x%02X", s[slen]));
- sdone += slen + 1;
- ddone += dlen + SvLEN(perlqq);
- sv_catsv(dst, perlqq);
- }
- else {
- /* UTF-8 is supposed to be "Universal" so should not
- happen for real characters, but some encodings
- have non-assigned codes which may occur. */
- Perl_croak(aTHX_ "%s \"\\x%02X\" "
- "does not map to Unicode (%d)",
- enc->name[0], (U8) s[slen], code);
+ sv_2mortal(newSVpvf("\\x%02" UVXf, (UV)s[slen]));
+ sdone += slen + 1;
+ ddone += dlen + SvCUR(perlqq);
+ sv_catsv(dst, perlqq);
+ } else {
+ sdone += slen + 1;
+ ddone += dlen + strlen(FBCHAR_UTF8);
+ sv_catpv(dst, FBCHAR_UTF8);
}
}
- dlen = SvCUR(dst);
- d = SvPVX(dst) + dlen;
- s = SvPVX(src) + sdone;
+ /* settle variables when fallback */
+ d = (U8 *)SvEND(dst);
+ dlen = SvLEN(dst) - ddone - 1;
+ s = (U8*)SvPVX(src) + sdone;
slen = tlen - sdone;
break;
- default:
- Perl_croak(aTHX_ "Unexpected code %d converting %s %s",
- code, (dir == enc->f_utf8) ? "to" : "from",
- enc->name[0]);
- return &PL_sv_undef;
- }
- }
- SvCUR_set(dst, dlen+ddone);
- SvPOK_only(dst);
- if (check) {
- sdone = SvCUR(src) - (slen+sdone);
- if (sdone) {
-#if 1
- /* FIXME: A Move() is dangerous - PV could be mmap'ed readonly
- SvOOK would be ideal - but sv_backoff does not understand SvLEN == 0
- type SVs and sv_clear() calls it ...
- */
- sv_setpvn(src, (char*)s+slen, sdone);
-#else
- Move(s + slen, SvPVX(src), sdone , U8);
-#endif
- }
- SvCUR_set(src, sdone);
+ default:
+ Perl_croak(aTHX_ "Unexpected code %d converting %s %s",
+ code, (dir == enc->f_utf8) ? "to" : "from",
+ enc->name[0]);
+ return &PL_sv_undef;
}
}
- else {
- SvCUR_set(dst, 0);
- SvPOK_only(dst);
+ ENCODE_SET_SRC:
+ if (check && !(check & ENCODE_LEAVE_SRC)){
+ sdone = SvCUR(src) - (slen+sdone);
+ if (sdone) {
+ sv_setpvn(src, (char*)s+slen, sdone);
+ }
+ SvCUR_set(src, sdone);
}
+ /* warn("check = 0x%X, code = 0x%d\n", check, code); */
+
+ SvCUR_set(dst, dlen+ddone);
+ SvPOK_only(dst);
+
#if ENCODE_XS_PROFILE
if (SvCUR(dst) > SvCUR(src)){
- Perl_warn(aTHX_
- "SvLEN(dst)=%d, SvCUR(dst)=%d. "
- "%d bytes unused(%f %%)\n",
- SvLEN(dst), SvCUR(dst), SvLEN(dst) - SvCUR(dst),
- (SvLEN(dst) - SvCUR(dst))*1.0/SvLEN(dst)*100.0);
-
+ Perl_warn(aTHX_
+ "SvLEN(dst)=%d, SvCUR(dst)=%d. %d bytes unused(%f %%)\n",
+ SvLEN(dst), SvCUR(dst), SvLEN(dst) - SvCUR(dst),
+ (SvLEN(dst) - SvCUR(dst))*1.0/SvLEN(dst)*100.0);
}
#endif
+
+ ENCODE_END:
*SvEND(dst) = '\0';
return dst;
}
Method_name(obj)
SV * obj
CODE:
- {
- encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
- ST(0) = sv_2mortal(newSVpvn(enc->name[0],strlen(enc->name[0])));
- XSRETURN(1);
- }
+{
+ encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
+ ST(0) = sv_2mortal(newSVpvn(enc->name[0],strlen(enc->name[0])));
+ XSRETURN(1);
+}
void
Method_decode(obj,src,check = 0)
SV * src
int check
CODE:
- {
- encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
- ST(0) = encode_method(aTHX_ enc, enc->t_utf8, src, check);
- SvUTF8_on(ST(0));
- XSRETURN(1);
- }
+{
+ encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
+ ST(0) = encode_method(aTHX_ enc, enc->t_utf8, src, check);
+ SvUTF8_on(ST(0));
+ XSRETURN(1);
+}
void
Method_encode(obj,src,check = 0)
SV * src
int check
CODE:
- {
- encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
- sv_utf8_upgrade(src);
- ST(0) = encode_method(aTHX_ enc, enc->f_utf8, src, check);
- XSRETURN(1);
- }
-
-MODULE = Encode PACKAGE = Encode::Unicode
+{
+ encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
+ sv_utf8_upgrade(src);
+ ST(0) = encode_method(aTHX_ enc, enc->f_utf8, src, check);
+ XSRETURN(1);
+}
void
-decode_xs(obj, str, chk = &PL_sv_undef)
+Method_needs_lines(obj)
SV * obj
-SV * str
-SV * chk
CODE:
{
- int size = SvIV(*hv_fetch((HV *)SvRV(obj),"size",4,0));
- U8 endian = *((U8 *)SvPV_nolen(*hv_fetch((HV *)SvRV(obj),"endian",6,0)));
- int ucs2 = SvTRUE(*hv_fetch((HV *)SvRV(obj),"ucs2",4,0));
- SV *result = newSVpvn("",0);
- STRLEN ulen;
- U8 *s = (U8 *)SvPVbyte(str,ulen);
- U8 *e = (U8 *)SvEND(str);
- ST(0) = sv_2mortal(result);
- SvUTF8_on(result);
-
- if (!endian && s+size <= e) {
- UV bom;
- endian = (size == 4) ? 'N' : 'n';
- bom = enc_unpack(aTHX_ &s,e,size,endian);
- if (bom != BOM_BE) {
- if (bom == BOM16LE) {
- endian = 'v';
- }
- else if (bom == BOM32LE) {
- endian = 'V';
- }
- else {
- croak("%s:Unregognised BOM %"UVxf,
- SvPV_nolen(*hv_fetch((HV *)SvRV(obj),"Name",4,0)),bom);
- }
- }
-#if 0
- /* Update endian for this sequence */
- hv_store((HV *)SvRV(obj),"endian",6,newSVpv((char *)&endian,1),0);
-#endif
- }
- while (s < e && s+size <= e) {
- UV ord = enc_unpack(aTHX_ &s,e,size,endian);
- U8 *d;
- if (size != 4 && invalid_ucs2(ord)) {
- if (ucs2) {
- if (SvTRUE(chk)) {
- croak("%s:no surrogates allowed %"UVxf,
- SvPV_nolen(*hv_fetch((HV *)SvRV(obj),"Name",4,0)),ord);
- }
- if (s+size <= e) {
- enc_unpack(aTHX_ &s,e,size,endian); /* skip the next one as well */
- }
- ord = FBCHAR;
- }
- else {
- UV lo;
- if (!isHiSurrogate(ord)) {
- croak("%s:Malformed HI surrogate %"UVxf,
- SvPV_nolen(*hv_fetch((HV *)SvRV(obj),"Name",4,0)),ord);
- }
- if (s+size > e) {
- /* Partial character */
- s -= size; /* back up to 1st half */
- break; /* And exit loop */
- }
- lo = enc_unpack(aTHX_ &s,e,size,endian);
- if (!isLoSurrogate(lo)){
- croak("%s:Malformed LO surrogate %"UVxf,
- SvPV_nolen(*hv_fetch((HV *)SvRV(obj),"Name",4,0)),ord);
- }
- ord = 0x10000 + ((ord - 0xD800) << 10) + (lo - 0xDC00);
- }
- }
- d = (U8 *) SvGROW(result,SvCUR(result)+UTF8_MAXLEN+1);
- d = uvuni_to_utf8_flags(d+SvCUR(result), ord, 0);
- SvCUR_set(result,d - (U8 *)SvPVX(result));
- }
- if (SvTRUE(chk)) {
- if (s < e) {
- Perl_warner(aTHX_ packWARN(WARN_UTF8),"%s:Partial character",
- SvPV_nolen(*hv_fetch((HV *)SvRV(obj),"Name",4,0)));
- Move(s,SvPVX(str),e-s,U8);
- SvCUR_set(str,(e-s));
- }
- else {
- SvCUR_set(str,0);
- }
- *SvEND(str) = '\0';
- }
+ /* encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); */
+ ST(0) = &PL_sv_no;
XSRETURN(1);
}
void
-encode_xs(obj, utf8, chk = &PL_sv_undef)
+Method_perlio_ok(obj)
SV * obj
-SV * utf8
-SV * chk
CODE:
{
- int size = SvIV(*hv_fetch((HV *)SvRV(obj),"size",4,0));
- U8 endian = *((U8 *)SvPV_nolen(*hv_fetch((HV *)SvRV(obj),"endian",6,0)));
- int ucs2 = SvTRUE(*hv_fetch((HV *)SvRV(obj),"ucs2",4,0));
- SV *result = newSVpvn("",0);
- STRLEN ulen;
- U8 *s = (U8 *)SvPVutf8(utf8,ulen);
- U8 *e = (U8 *)SvEND(utf8);
- ST(0) = sv_2mortal(result);
- if (!endian) {
- endian = (size == 4) ? 'N' : 'n';
- enc_pack(aTHX_ result,size,endian,BOM_BE);
-#if 0
- /* Update endian for this sequence */
- hv_store((HV *)SvRV(obj),"endian",6,newSVpv((char *)&endian,1),0);
-#endif
- }
- while (s < e && s+UTF8SKIP(s) <= e) {
- STRLEN len;
- UV ord = utf8n_to_uvuni(s, e-s, &len, 0);
- s += len;
- if (size != 4 && invalid_ucs2(ord)) {
- if (!issurrogate(ord)){
- if (ucs2) {
- if (SvTRUE(chk)) {
- croak("%s:code point \"\\x{"UVxf"}\" too high",
- SvPV_nolen(*hv_fetch((HV *)SvRV(obj),"Name",4,0)),ord);
- }
- enc_pack(aTHX_ result,size,endian,FBCHAR);
- }else{
- UV hi = ((ord - 0x10000) >> 10) + 0xD800;
- UV lo = ((ord - 0x10000) & 0x3FF) + 0xDC00;
- enc_pack(aTHX_ result,size,endian,hi);
- enc_pack(aTHX_ result,size,endian,lo);
- }
- }
- else {
- /* not supposed to happen */
- enc_pack(aTHX_ result,size,endian,FBCHAR);
- }
- }
- else {
- enc_pack(aTHX_ result,size,endian,ord);
- }
- }
- if (SvTRUE(chk)) {
- if (s < e) {
- Perl_warner(aTHX_ packWARN(WARN_UTF8),"%s:Partial character",
- SvPV_nolen(*hv_fetch((HV *)SvRV(obj),"Name",4,0)));
- Move(s,SvPVX(utf8),e-s,U8);
- SvCUR_set(utf8,(e-s));
- }
- else {
- SvCUR_set(utf8,0);
- }
- *SvEND(utf8) = '\0';
+ /* encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); */
+ /* require_pv(PERLIO_FILENAME); */
+
+ eval_pv("require PerlIO::encoding", 0);
+
+ if (SvTRUE(get_sv("@", 0))) {
+ ST(0) = &PL_sv_no;
+ }else{
+ ST(0) = &PL_sv_yes;
}
XSRETURN(1);
}
I32
_bytes_to_utf8(sv, ...)
- SV * sv
- CODE:
- {
- SV * encoding = items == 2 ? ST(1) : Nullsv;
-
- if (encoding)
- RETVAL = _encoded_bytes_to_utf8(sv, SvPV_nolen(encoding));
- else {
- STRLEN len;
- U8* s = (U8*)SvPV(sv, len);
- U8* converted;
-
- converted = bytes_to_utf8(s, &len); /* This allocs */
- sv_setpvn(sv, (char *)converted, len);
- SvUTF8_on(sv); /* XXX Should we? */
- Safefree(converted); /* ... so free it */
- RETVAL = len;
- }
- }
- OUTPUT:
- RETVAL
+SV * sv
+CODE:
+{
+ SV * encoding = items == 2 ? ST(1) : Nullsv;
+
+ if (encoding)
+ RETVAL = _encoded_bytes_to_utf8(sv, SvPV_nolen(encoding));
+ else {
+ STRLEN len;
+ U8* s = (U8*)SvPV(sv, len);
+ U8* converted;
+
+ converted = bytes_to_utf8(s, &len); /* This allocs */
+ sv_setpvn(sv, (char *)converted, len);
+ SvUTF8_on(sv); /* XXX Should we? */
+ Safefree(converted); /* ... so free it */
+ RETVAL = len;
+ }
+}
+OUTPUT:
+ RETVAL
I32
_utf8_to_bytes(sv, ...)
- SV * sv
- CODE:
- {
- SV * to = items > 1 ? ST(1) : Nullsv;
- SV * check = items > 2 ? ST(2) : Nullsv;
-
- if (to)
- RETVAL = _encoded_utf8_to_bytes(sv, SvPV_nolen(to));
- else {
- STRLEN len;
- U8 *s = (U8*)SvPV(sv, len);
-
- RETVAL = 0;
- if (SvTRUE(check)) {
- /* Must do things the slow way */
- U8 *dest;
- U8 *src = (U8*)savepv((char *)s); /* We need a copy to pass to check() */
- U8 *send = s + len;
-
- New(83, dest, len, U8); /* I think */
-
- while (s < send) {
- if (*s < 0x80)
- *dest++ = *s++;
- else {
- STRLEN ulen;
- UV uv = *s++;
-
- /* Have to do it all ourselves because of error routine,
- aargh. */
- if (!(uv & 0x40))
- goto failure;
- if (!(uv & 0x20)) { ulen = 2; uv &= 0x1f; }
- else if (!(uv & 0x10)) { ulen = 3; uv &= 0x0f; }
- else if (!(uv & 0x08)) { ulen = 4; uv &= 0x07; }
- else if (!(uv & 0x04)) { ulen = 5; uv &= 0x03; }
- else if (!(uv & 0x02)) { ulen = 6; uv &= 0x01; }
- else if (!(uv & 0x01)) { ulen = 7; uv = 0; }
- else { ulen = 13; uv = 0; }
-
- /* Note change to utf8.c variable naming, for variety */
- while (ulen--) {
- if ((*s & 0xc0) != 0x80)
- goto failure;
+SV * sv
+CODE:
+{
+ SV * to = items > 1 ? ST(1) : Nullsv;
+ SV * check = items > 2 ? ST(2) : Nullsv;
+
+ if (to) {
+ RETVAL = _encoded_utf8_to_bytes(sv, SvPV_nolen(to));
+ } else {
+ STRLEN len;
+ U8 *s = (U8*)SvPV(sv, len);
+
+ RETVAL = 0;
+ if (SvTRUE(check)) {
+ /* Must do things the slow way */
+ U8 *dest;
+ /* We need a copy to pass to check() */
+ U8 *src = (U8*)savepv((char *)s);
+ U8 *send = s + len;
+
+ New(83, dest, len, U8); /* I think */
+
+ while (s < send) {
+ if (*s < 0x80){
+ *dest++ = *s++;
+ } else {
+ STRLEN ulen;
+ UV uv = *s++;
+
+ /* Have to do it all ourselves because of error routine,
+ aargh. */
+ if (!(uv & 0x40)){ goto failure; }
+ if (!(uv & 0x20)) { ulen = 2; uv &= 0x1f; }
+ else if (!(uv & 0x10)) { ulen = 3; uv &= 0x0f; }
+ else if (!(uv & 0x08)) { ulen = 4; uv &= 0x07; }
+ else if (!(uv & 0x04)) { ulen = 5; uv &= 0x03; }
+ else if (!(uv & 0x02)) { ulen = 6; uv &= 0x01; }
+ else if (!(uv & 0x01)) { ulen = 7; uv = 0; }
+ else { ulen = 13; uv = 0; }
- else
- uv = (uv << 6) | (*s++ & 0x3f);
+ /* Note change to utf8.c variable naming, for variety */
+ while (ulen--) {
+ if ((*s & 0xc0) != 0x80){
+ goto failure;
+ } else {
+ uv = (uv << 6) | (*s++ & 0x3f);
+ }
}
if (uv > 256) {
failure:
- call_failure(check, s, dest, src);
- /* Now what happens? */
+ call_failure(check, s, dest, src);
+ /* Now what happens? */
}
*dest++ = (U8)uv;
- }
- }
- } else
- RETVAL = (utf8_to_bytes(s, &len) ? len : 0);
- }
+ }
+ }
+ } else {
+ RETVAL = (utf8_to_bytes(s, &len) ? len : 0);
}
- OUTPUT:
- RETVAL
+ }
+}
+OUTPUT:
+ RETVAL
bool
is_utf8(sv, check = 0)
SV * sv
int check
- CODE:
- {
- if (SvGMAGICAL(sv)) /* it could be $1, for example */
- sv = newSVsv(sv); /* GMAGIG will be done */
- if (SvPOK(sv)) {
- RETVAL = SvUTF8(sv) ? TRUE : FALSE;
- if (RETVAL &&
- check &&
- !is_utf8_string((U8*)SvPVX(sv), SvCUR(sv)))
- RETVAL = FALSE;
- } else {
+CODE:
+{
+ if (SvGMAGICAL(sv)) /* it could be $1, for example */
+ sv = newSVsv(sv); /* GMAGIG will be done */
+ if (SvPOK(sv)) {
+ RETVAL = SvUTF8(sv) ? TRUE : FALSE;
+ if (RETVAL &&
+ check &&
+ !is_utf8_string((U8*)SvPVX(sv), SvCUR(sv)))
RETVAL = FALSE;
- }
- if (sv != ST(0))
- SvREFCNT_dec(sv); /* it was a temp copy */
- }
- OUTPUT:
- RETVAL
+ } else {
+ RETVAL = FALSE;
+ }
+ if (sv != ST(0))
+ SvREFCNT_dec(sv); /* it was a temp copy */
+}
+OUTPUT:
+ RETVAL
SV *
_utf8_on(sv)
- SV * sv
- CODE:
- {
- if (SvPOK(sv)) {
- SV *rsv = newSViv(SvUTF8(sv));
- RETVAL = rsv;
- SvUTF8_on(sv);
- } else {
- RETVAL = &PL_sv_undef;
- }
- }
- OUTPUT:
- RETVAL
+SV * sv
+CODE:
+{
+ if (SvPOK(sv)) {
+ SV *rsv = newSViv(SvUTF8(sv));
+ RETVAL = rsv;
+ SvUTF8_on(sv);
+ } else {
+ RETVAL = &PL_sv_undef;
+ }
+}
+OUTPUT:
+ RETVAL
SV *
_utf8_off(sv)
- SV * sv
- CODE:
- {
- if (SvPOK(sv)) {
- SV *rsv = newSViv(SvUTF8(sv));
- RETVAL = rsv;
- SvUTF8_off(sv);
- } else {
- RETVAL = &PL_sv_undef;
- }
- }
- OUTPUT:
- RETVAL
+SV * sv
+CODE:
+{
+ if (SvPOK(sv)) {
+ SV *rsv = newSViv(SvUTF8(sv));
+ RETVAL = rsv;
+ SvUTF8_off(sv);
+ } else {
+ RETVAL = &PL_sv_undef;
+ }
+}
+OUTPUT:
+ RETVAL
+
+int
+DIE_ON_ERR()
+CODE:
+ RETVAL = ENCODE_DIE_ON_ERR;
+OUTPUT:
+ RETVAL
+
+int
+WARN_ON_ERR()
+CODE:
+ RETVAL = ENCODE_WARN_ON_ERR;
+OUTPUT:
+ RETVAL
+
+int
+LEAVE_SRC()
+CODE:
+ RETVAL = ENCODE_LEAVE_SRC;
+OUTPUT:
+ RETVAL
+
+int
+RETURN_ON_ERR()
+CODE:
+ RETVAL = ENCODE_RETURN_ON_ERR;
+OUTPUT:
+ RETVAL
+
+int
+PERLQQ()
+CODE:
+ RETVAL = ENCODE_PERLQQ;
+OUTPUT:
+ RETVAL
+
+int
+HTMLCREF()
+CODE:
+ RETVAL = ENCODE_HTMLCREF;
+OUTPUT:
+ RETVAL
+
+int
+XMLCREF()
+CODE:
+ RETVAL = ENCODE_XMLCREF;
+OUTPUT:
+ RETVAL
+
+int
+FB_DEFAULT()
+CODE:
+ RETVAL = ENCODE_FB_DEFAULT;
+OUTPUT:
+ RETVAL
+
+int
+FB_CROAK()
+CODE:
+ RETVAL = ENCODE_FB_CROAK;
+OUTPUT:
+ RETVAL
+
+int
+FB_QUIET()
+CODE:
+ RETVAL = ENCODE_FB_QUIET;
+OUTPUT:
+ RETVAL
+
+int
+FB_WARN()
+CODE:
+ RETVAL = ENCODE_FB_WARN;
+OUTPUT:
+ RETVAL
+
+int
+FB_PERLQQ()
+CODE:
+ RETVAL = ENCODE_FB_PERLQQ;
+OUTPUT:
+ RETVAL
+
+int
+FB_HTMLCREF()
+CODE:
+ RETVAL = ENCODE_FB_HTMLCREF;
+OUTPUT:
+ RETVAL
+
+int
+FB_XMLCREF()
+CODE:
+ RETVAL = ENCODE_FB_XMLCREF;
+OUTPUT:
+ RETVAL
BOOT:
{
-#if defined(USE_PERLIO) && !defined(USE_SFIO)
-/* PerlIO_define_layer(aTHX_ &PerlIO_encode); */
-#endif
+#include "def_t.h"
#include "def_t.exh"
}
projects / p5sagit/p5-mst-13.2.git / blobdiff