/*
- $Id: Encode.xs,v 1.44 2002/05/02 07:33:09 dankogai Exp $
+ $Id: Encode.xs,v 2.13 2007/05/29 07:35:27 dankogai Exp dankogai $
*/
#define PERL_NO_GET_CONTEXT
#define UNIMPLEMENTED(x,y) y x (SV *sv, char *encoding) {dTHX; \
Perl_croak(aTHX_ "panic_unimplemented"); \
- return (y)0; /* fool picky compilers */ \
+ return (y)0; /* fool picky compilers */ \
}
/**/
UNIMPLEMENTED(_encoded_utf8_to_bytes, I32)
UNIMPLEMENTED(_encoded_bytes_to_utf8, I32)
+#define UTF8_ALLOW_STRICT 0
+#define UTF8_ALLOW_NONSTRICT (UTF8_ALLOW_ANY & \
+ ~(UTF8_ALLOW_CONTINUATION | \
+ UTF8_ALLOW_NON_CONTINUATION | \
+ UTF8_ALLOW_LONG))
+
+static SV* fallback_cb = (SV*)NULL ;
+
void
Encode_XSEncoding(pTHX_ encode_t * enc)
{
PUSHMARK(sp);
XPUSHs(sv);
while (enc->name[i]) {
- const char *name = enc->name[i++];
- XPUSHs(sv_2mortal(newSVpvn(name, strlen(name))));
+ const char *name = enc->name[i++];
+ XPUSHs(sv_2mortal(newSVpvn(name, strlen(name))));
}
PUTBACK;
call_pv("Encode::define_encoding", G_DISCARD);
#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)
+do_fallback_cb(pTHX_ UV ch)
+{
+ dSP;
+ int argc;
+ SV *temp, *retval;
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(sp);
+ XPUSHs(sv_2mortal(newSVnv((UV)ch)));
+ PUTBACK;
+ argc = call_sv(fallback_cb, G_SCALAR);
+ SPAGAIN;
+ if (argc != 1){
+ croak("fallback sub must return scalar!");
+ }
+ temp = newSVsv(POPs);
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
+ retval = newSVpv("",0);
+ sv_catsv(retval, temp);
+ SvREFCNT_dec(temp);
+ return retval;
+}
+
+static SV *
+encode_method(pTHX_ const encode_t * enc, const encpage_t * dir, SV * src,
+ int check, STRLEN * offset, SV * term, int * retcode)
{
STRLEN slen;
U8 *s = (U8 *) SvPV(src, slen);
SV *dst = sv_2mortal(newSV(slen+1));
U8 *d = (U8 *)SvPVX(dst);
STRLEN dlen = SvLEN(dst)-1;
- int code;
+ int code = 0;
+ STRLEN trmlen = 0;
+ U8 *trm = term ? (U8*) SvPV(term, trmlen) : NULL;
+
+ if (offset) {
+ s += *offset;
+ if (slen > *offset){ /* safeguard against slen overflow */
+ slen -= *offset;
+ }else{
+ slen = 0;
+ }
+ tlen = slen;
+ }
- if (!slen){
- SvCUR_set(dst, 0);
- SvPOK_only(dst);
- goto ENCODE_END;
+ if (slen == 0){
+ SvCUR_set(dst, 0);
+ SvPOK_only(dst);
+ goto ENCODE_END;
}
- while (code = do_encode(dir, s, &slen, d, dlen, &dlen, !check))
+ while( (code = do_encode(dir, s, &slen, d, dlen, &dlen, !check,
+ trm, trmlen)) )
{
- 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;
+ SvCUR_set(dst, dlen+ddone);
+ SvPOK_only(dst);
+
+ if (code == ENCODE_FALLBACK || code == ENCODE_PARTIAL ||
+ code == ENCODE_FOUND_TERM) {
+ 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;
+ /* safe until SvLEN(dst) == MAX_INT/16 */
+ more = (16*SvLEN(dst)+1)/sdone/16 * sleft;
#endif
- }
- 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 & ENCODE_DIE_ON_ERR){
- Perl_croak(aTHX_ ERR_DECODE_NOMAP,
- (UV)enc->name[0], (U8)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,
- (UV)enc->name[0], (U8)s[slen]);
- }
- if (check & ENCODE_RETURN_ON_ERR){
- goto ENCODE_SET_SRC;
- }
- if (check &
- (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){
- SV* perlqq =
- 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);
- }
- }
- /* settle variables when fallback */
- d = (U8 *)SvEND(dst);
+ }
+ 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 non-representable multibyte prefix at end of current buffer - break*/
+ if (clen > tlen - sdone) break;
+ 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|ENCODE_HTMLCREF|ENCODE_XMLCREF)){
+ SV* subchar =
+ (fallback_cb != (SV*)NULL) ? do_fallback_cb(aTHX_ ch) :
+ newSVpvf(check & ENCODE_PERLQQ ? "\\x{%04"UVxf"}" :
+ check & ENCODE_HTMLCREF ? "&#%" UVuf ";" :
+ "&#x%" UVxf ";", (UV)ch);
+ sdone += slen + clen;
+ ddone += dlen + SvCUR(subchar);
+ sv_catsv(dst, subchar);
+ SvREFCNT_dec(subchar);
+ } else {
+ /* fallback char */
+ sdone += slen + clen;
+ ddone += dlen + enc->replen;
+ sv_catpvn(dst, (char*)enc->rep, enc->replen);
+ }
+ }
+ /* decoding */
+ else {
+ 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]);
+ }
+ if (check & ENCODE_RETURN_ON_ERR){
+ goto ENCODE_SET_SRC;
+ }
+ if (check &
+ (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){
+ SV* subchar =
+ (fallback_cb != (SV*)NULL) ?
+ do_fallback_cb(aTHX_ (UV)s[slen]) :
+ newSVpvf("\\x%02" UVXf, (UV)s[slen]);
+ sdone += slen + 1;
+ ddone += dlen + SvCUR(subchar);
+ sv_catsv(dst, subchar);
+ SvREFCNT_dec(subchar);
+ } else {
+ sdone += slen + 1;
+ ddone += dlen + strlen(FBCHAR_UTF8);
+ sv_catpv(dst, FBCHAR_UTF8);
+ }
+ }
+ /* 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;
- }
+ 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;
+ }
}
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);
+ 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); */
#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
+ if (offset)
+ *offset += sdone + slen;
+
ENCODE_END:
*SvEND(dst) = '\0';
+ if (retcode) *retcode = code;
return dst;
}
+static bool
+strict_utf8(pTHX_ SV* sv)
+{
+ HV* hv;
+ SV** svp;
+ sv = SvRV(sv);
+ if (!sv || SvTYPE(sv) != SVt_PVHV)
+ return 0;
+ hv = (HV*)sv;
+ svp = hv_fetch(hv, "strict_utf8", 11, 0);
+ if (!svp)
+ return 0;
+ return SvTRUE(*svp);
+}
+
+static U8*
+process_utf8(pTHX_ SV* dst, U8* s, U8* e, int check,
+ bool encode, bool strict, bool stop_at_partial)
+{
+ UV uv;
+ STRLEN ulen;
+
+ SvPOK_only(dst);
+ SvCUR_set(dst,0);
+
+ while (s < e) {
+ if (UTF8_IS_INVARIANT(*s)) {
+ sv_catpvn(dst, (char *)s, 1);
+ s++;
+ continue;
+ }
+
+ if (UTF8_IS_START(*s)) {
+ U8 skip = UTF8SKIP(s);
+ if ((s + skip) > e) {
+ /* Partial character */
+ /* XXX could check that rest of bytes are UTF8_IS_CONTINUATION(ch) */
+ if (stop_at_partial || (check & ENCODE_STOP_AT_PARTIAL))
+ break;
+
+ goto malformed_byte;
+ }
+
+ uv = utf8n_to_uvuni(s, e - s, &ulen,
+ UTF8_CHECK_ONLY | (strict ? UTF8_ALLOW_STRICT :
+ UTF8_ALLOW_NONSTRICT)
+ );
+#if 1 /* perl-5.8.6 and older do not check UTF8_ALLOW_LONG */
+ if (strict && uv > PERL_UNICODE_MAX)
+ ulen = (STRLEN) -1;
+#endif
+ if (ulen == -1) {
+ if (strict) {
+ uv = utf8n_to_uvuni(s, e - s, &ulen,
+ UTF8_CHECK_ONLY | UTF8_ALLOW_NONSTRICT);
+ if (ulen == -1)
+ goto malformed_byte;
+ goto malformed;
+ }
+ goto malformed_byte;
+ }
+
+
+ /* Whole char is good */
+ sv_catpvn(dst,(char *)s,skip);
+ s += skip;
+ continue;
+ }
+
+ /* If we get here there is something wrong with alleged UTF-8 */
+ malformed_byte:
+ uv = (UV)*s;
+ ulen = 1;
+
+ malformed:
+ if (check & ENCODE_DIE_ON_ERR){
+ if (encode)
+ Perl_croak(aTHX_ ERR_ENCODE_NOMAP, uv, "utf8");
+ else
+ Perl_croak(aTHX_ ERR_DECODE_NOMAP, "utf8", uv);
+ }
+ if (check & ENCODE_WARN_ON_ERR){
+ if (encode)
+ Perl_warner(aTHX_ packWARN(WARN_UTF8),
+ ERR_ENCODE_NOMAP, uv, "utf8");
+ else
+ Perl_warner(aTHX_ packWARN(WARN_UTF8),
+ ERR_DECODE_NOMAP, "utf8", uv);
+ }
+ if (check & ENCODE_RETURN_ON_ERR) {
+ break;
+ }
+ if (check & (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){
+ SV* subchar = newSVpvf(check & ENCODE_PERLQQ ? (ulen == 1 ? "\\x%02" UVXf : "\\x{%04" UVXf "}"):
+ check & ENCODE_HTMLCREF ? "&#%" UVuf ";" :
+ "&#x%" UVxf ";", uv);
+ sv_catsv(dst, subchar);
+ SvREFCNT_dec(subchar);
+ } else {
+ sv_catpv(dst, FBCHAR_UTF8);
+ }
+ s += ulen;
+ }
+ *SvEND(dst) = '\0';
+
+ return s;
+}
+
+
+MODULE = Encode PACKAGE = Encode::utf8 PREFIX = Method_
+
+PROTOTYPES: DISABLE
+
+void
+Method_decode_xs(obj,src,check = 0)
+SV * obj
+SV * src
+int check
+CODE:
+{
+ STRLEN slen;
+ U8 *s = (U8 *) SvPV(src, slen);
+ U8 *e = (U8 *) SvEND(src);
+ SV *dst = newSV(slen>0?slen:1); /* newSV() abhors 0 -- inaba */
+
+ /*
+ * PerlIO check -- we assume the object is of PerlIO if renewed
+ */
+ bool renewed = 0;
+ dSP; ENTER; SAVETMPS;
+ PUSHMARK(sp);
+ XPUSHs(obj);
+ PUTBACK;
+ if (call_method("renewed",G_SCALAR) == 1) {
+ SPAGAIN;
+ renewed = (bool)POPi;
+ PUTBACK;
+#if 0
+ fprintf(stderr, "renewed == %d\n", renewed);
+#endif
+ }
+ FREETMPS; LEAVE;
+ /* end PerlIO check */
+
+ if (SvUTF8(src)) {
+ s = utf8_to_bytes(s,&slen);
+ if (s) {
+ SvCUR_set(src,slen);
+ SvUTF8_off(src);
+ e = s+slen;
+ }
+ else {
+ croak("Cannot decode string with wide characters");
+ }
+ }
+
+ s = process_utf8(aTHX_ dst, s, e, check, 0, strict_utf8(aTHX_ obj), renewed);
+
+ /* Clear out translated part of source unless asked not to */
+ if (check && !(check & ENCODE_LEAVE_SRC)){
+ slen = e-s;
+ if (slen) {
+ sv_setpvn(src, (char*)s, slen);
+ }
+ SvCUR_set(src, slen);
+ }
+ SvUTF8_on(dst);
+ ST(0) = sv_2mortal(dst);
+ XSRETURN(1);
+}
+
+void
+Method_encode_xs(obj,src,check = 0)
+SV * obj
+SV * src
+int check
+CODE:
+{
+ STRLEN slen;
+ U8 *s = (U8 *) SvPV(src, slen);
+ U8 *e = (U8 *) SvEND(src);
+ SV *dst = newSV(slen>0?slen:1); /* newSV() abhors 0 -- inaba */
+ if (SvUTF8(src)) {
+ /* Already encoded */
+ if (strict_utf8(aTHX_ obj)) {
+ s = process_utf8(aTHX_ dst, s, e, check, 1, 1, 0);
+ }
+ else {
+ /* trust it and just copy the octets */
+ sv_setpvn(dst,(char *)s,(e-s));
+ s = e;
+ }
+ }
+ else {
+ /* Native bytes - can always encode */
+ U8 *d = (U8 *) SvGROW(dst, 2*slen+1); /* +1 or assertion will botch */
+ while (s < e) {
+ UV uv = NATIVE_TO_UNI((UV) *s);
+ s++; /* Above expansion of NATIVE_TO_UNI() is safer this way. */
+ if (UNI_IS_INVARIANT(uv))
+ *d++ = (U8)UTF_TO_NATIVE(uv);
+ else {
+ *d++ = (U8)UTF8_EIGHT_BIT_HI(uv);
+ *d++ = (U8)UTF8_EIGHT_BIT_LO(uv);
+ }
+ }
+ SvCUR_set(dst, d- (U8 *)SvPVX(dst));
+ *SvEND(dst) = '\0';
+ }
+
+ /* Clear out translated part of source unless asked not to */
+ if (check && !(check & ENCODE_LEAVE_SRC)){
+ slen = e-s;
+ if (slen) {
+ sv_setpvn(src, (char*)s, slen);
+ }
+ SvCUR_set(src, slen);
+ }
+ SvPOK_only(dst);
+ SvUTF8_off(dst);
+ ST(0) = sv_2mortal(dst);
+ XSRETURN(1);
+}
+
MODULE = Encode PACKAGE = Encode::XS PREFIX = Method_
PROTOTYPES: ENABLE
void
+Method_renew(obj)
+SV * obj
+CODE:
+{
+ XSRETURN(1);
+}
+
+int
+Method_renewed(obj)
+SV * obj
+CODE:
+ RETVAL = 0;
+OUTPUT:
+ RETVAL
+
+void
Method_name(obj)
SV * obj
CODE:
}
void
-Method_decode(obj,src,check = 0)
+Method_cat_decode(obj, dst, src, off, term, check = 0)
SV * obj
+SV * dst
SV * src
+SV * off
+SV * term
int check
CODE:
{
encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
- ST(0) = encode_method(aTHX_ enc, enc->t_utf8, src, check);
+ STRLEN offset = (STRLEN)SvIV(off);
+ int code = 0;
+ if (SvUTF8(src)) {
+ sv_utf8_downgrade(src, FALSE);
+ }
+ sv_catsv(dst, encode_method(aTHX_ enc, enc->t_utf8, src, check,
+ &offset, term, &code));
+ SvIV_set(off, (IV)offset);
+ if (code == ENCODE_FOUND_TERM) {
+ ST(0) = &PL_sv_yes;
+ }else{
+ ST(0) = &PL_sv_no;
+ }
+ XSRETURN(1);
+}
+
+void
+Method_decode(obj,src,check_sv = &PL_sv_no)
+SV * obj
+SV * src
+SV * check_sv
+CODE:
+{
+ int check;
+ encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
+ if (SvUTF8(src)) {
+ sv_utf8_downgrade(src, FALSE);
+ }
+ if (SvROK(check_sv)){
+ if (fallback_cb == (SV*)NULL){
+ fallback_cb = newSVsv(check_sv); /* First time */
+ }else{
+ SvSetSV(fallback_cb, check_sv); /* Been here before */
+ }
+ check = ENCODE_PERLQQ|ENCODE_LEAVE_SRC; /* same as FB_PERLQQ */
+ }else{
+ fallback_cb = (SV*)NULL;
+ check = SvIV(check_sv);
+ }
+ ST(0) = encode_method(aTHX_ enc, enc->t_utf8, src, check,
+ NULL, Nullsv, NULL);
SvUTF8_on(ST(0));
XSRETURN(1);
}
+
+
void
-Method_encode(obj,src,check = 0)
+Method_encode(obj,src,check_sv = &PL_sv_no)
SV * obj
SV * src
-int check
+SV * check_sv
CODE:
{
+ int check;
encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
sv_utf8_upgrade(src);
- ST(0) = encode_method(aTHX_ enc, enc->f_utf8, src, check);
+ if (SvROK(check_sv)){
+ if (fallback_cb == (SV*)NULL){
+ fallback_cb = newSVsv(check_sv); /* First time */
+ }else{
+ SvSetSV(fallback_cb, check_sv); /* Been here before */
+ }
+ check = ENCODE_PERLQQ|ENCODE_LEAVE_SRC; /* same as FB_PERLQQ */
+ }else{
+ fallback_cb = (SV*)NULL;
+ check = SvIV(check_sv);
+ }
+ ST(0) = encode_method(aTHX_ enc, enc->f_utf8, src, check,
+ NULL, Nullsv, NULL);
XSRETURN(1);
}
SV * obj
CODE:
{
- encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
+ /* encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); */
ST(0) = &PL_sv_no;
XSRETURN(1);
}
SV * obj
CODE:
{
- encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
+ /* 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;
+ ST(0) = &PL_sv_no;
}else{
- ST(0) = &PL_sv_yes;
+ ST(0) = &PL_sv_yes;
+ }
+ XSRETURN(1);
+}
+
+void
+Method_mime_name(obj)
+SV * obj
+CODE:
+{
+ encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
+ SV *retval;
+ eval_pv("require Encode::MIME::Name", 0);
+
+ if (SvTRUE(get_sv("@", 0))) {
+ ST(0) = &PL_sv_undef;
+ }else{
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(sp);
+ XPUSHs(sv_2mortal(newSVpvn(enc->name[0], strlen(enc->name[0]))));
+ PUTBACK;
+ call_pv("Encode::MIME::Name::get_mime_name", G_SCALAR);
+ SPAGAIN;
+ retval = newSVsv(POPs);
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
+ /* enc->name[0] */
+ ST(0) = retval;
}
XSRETURN(1);
}
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;
+ 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:
SV * check = items > 2 ? ST(2) : Nullsv;
if (to) {
- RETVAL = _encoded_utf8_to_bytes(sv, SvPV_nolen(to));
+ RETVAL = _encoded_utf8_to_bytes(sv, SvPV_nolen(to));
} else {
- STRLEN len;
- U8 *s = (U8*)SvPV(sv, len);
+ STRLEN len;
+ U8 *s = (U8*)SvPV(sv, len);
- RETVAL = 0;
- if (SvTRUE(check)) {
- /* Must do things the slow way */
- U8 *dest;
+ 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;
+ U8 *src = s;
+ U8 *send = s + len;
+ U8 *d0;
- New(83, dest, len, U8); /* I think */
+ New(83, dest, len, U8); /* I think */
+ d0 = dest;
- while (s < send) {
+ while (s < send) {
if (*s < 0x80){
- *dest++ = *s++;
+ *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;
- } else {
- uv = (uv << 6) | (*s++ & 0x3f);
- }
- }
- if (uv > 256) {
- failure:
- call_failure(check, s, dest, src);
- /* Now what happens? */
- }
- *dest++ = (U8)uv;
- }
- }
- } else {
- RETVAL = (utf8_to_bytes(s, &len) ? len : 0);
- }
+ 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;
+ } else {
+ uv = (uv << 6) | (*s++ & 0x3f);
+ }
+ }
+ if (uv > 256) {
+ failure:
+ call_failure(check, s, dest, src);
+ /* Now what happens? */
+ }
+ *dest++ = (U8)uv;
+ }
+ }
+ RETVAL = dest - d0;
+ sv_usepvn(sv, (char *)dest, RETVAL);
+ SvUTF8_off(sv);
+ } else {
+ RETVAL = (utf8_to_bytes(s, &len) ? len : 0);
+ }
}
}
OUTPUT:
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 {
- RETVAL = FALSE;
- }
+ sv = newSVsv(sv); /* GMAGIG will be done */
+ 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 */
+ SvREFCNT_dec(sv); /* it was a temp copy */
}
OUTPUT:
RETVAL
CODE:
{
if (SvPOK(sv)) {
- SV *rsv = newSViv(SvUTF8(sv));
- RETVAL = rsv;
- SvUTF8_on(sv);
+ SV *rsv = newSViv(SvUTF8(sv));
+ RETVAL = rsv;
+ SvUTF8_on(sv);
} else {
- RETVAL = &PL_sv_undef;
+ RETVAL = &PL_sv_undef;
}
}
OUTPUT:
CODE:
{
if (SvPOK(sv)) {
- SV *rsv = newSViv(SvUTF8(sv));
- RETVAL = rsv;
- SvUTF8_off(sv);
+ SV *rsv = newSViv(SvUTF8(sv));
+ RETVAL = rsv;
+ SvUTF8_off(sv);
} else {
- RETVAL = &PL_sv_undef;
+ RETVAL = &PL_sv_undef;
}
}
OUTPUT:
RETVAL
int
+STOP_AT_PARTIAL()
+CODE:
+ RETVAL = ENCODE_STOP_AT_PARTIAL;
+OUTPUT:
+ RETVAL
+
+int
FB_DEFAULT()
CODE:
RETVAL = ENCODE_FB_DEFAULT;
https://perl5.git.perl.org / perl5.git / blobdiff