-#define PERL_NO_GET_CONTEXT
+/*
+ $Id: Encode.xs,v 1.52 2002/11/18 17:28:49 dankogai Exp $
+ */
+#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#define U8 U8
#include "encode.h"
-#include "8859.h"
-#include "EBCDIC.h"
-#include "Symbols.h"
+# define PERLIO_MODNAME "PerlIO::encoding"
+# define PERLIO_FILENAME "PerlIO/encoding.pm"
+
+/* 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
+
+/* 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"); \
+ Perl_croak(aTHX_ "panic_unimplemented"); \
return (y)0; /* fool picky compilers */ \
- }
-UNIMPLEMENTED(_encoded_utf8_to_bytes, I32)
- UNIMPLEMENTED(_encoded_bytes_to_utf8, I32)
-#if defined(USE_PERLIO) && !defined(USE_SFIO)
-/* Define an encoding "layer" in the perliol.h sense.
- The layer defined here "inherits" in an object-oriented sense from the
- "perlio" layer with its PerlIOBuf_* "methods".
- The implementation is particularly efficient as until Encode settles down
- there is no point in tryint to tune it.
-
- The layer works by overloading the "fill" and "flush" methods.
-
- "fill" calls "SUPER::fill" in perl terms, then calls the encode OO perl API
- to convert the encoded data to UTF-8 form, then copies it back to the
- buffer. The "base class's" read methods then see the UTF-8 data.
-
- "flush" transforms the UTF-8 data deposited by the "base class's write
- method in the buffer back into the encoded form using the encode OO perl API,
- then copies data back into the buffer and calls "SUPER::flush.
-
- Note that "flush" is _also_ called for read mode - we still do the (back)-translate
- so that the the base class's "flush" sees the correct number of encoded chars
- for positioning the seek pointer. (This double translation is the worst performance
- issue - particularly with all-perl encode engine.)
-
-*/
-#include "perliol.h"
-typedef struct {
- PerlIOBuf base; /* PerlIOBuf stuff */
- SV *bufsv; /* buffer seen by layers above */
- SV *dataSV; /* data we have read from layer below */
- SV *enc; /* the encoding object */
-} PerlIOEncode;
+ }
+/**/
-SV *
-PerlIOEncode_getarg(pTHX_ PerlIO * f, CLONE_PARAMS * param, int flags)
-{
- PerlIOEncode *e = PerlIOSelf(f, PerlIOEncode);
- SV *sv = &PL_sv_undef;
- if (e->enc) {
- dSP;
- ENTER;
- SAVETMPS;
- PUSHMARK(sp);
- XPUSHs(e->enc);
- PUTBACK;
- if (perl_call_method("name", G_SCALAR) == 1) {
- SPAGAIN;
- sv = newSVsv(POPs);
- PUTBACK;
- }
- }
- return sv;
-}
+UNIMPLEMENTED(_encoded_utf8_to_bytes, I32)
+UNIMPLEMENTED(_encoded_bytes_to_utf8, I32)
-IV
-PerlIOEncode_pushed(pTHX_ PerlIO * f, const char *mode, SV * arg)
+void
+Encode_XSEncoding(pTHX_ encode_t * enc)
{
- PerlIOEncode *e = PerlIOSelf(f, PerlIOEncode);
dSP;
- IV code;
- code = PerlIOBuf_pushed(aTHX_ f, mode, Nullsv);
- ENTER;
- SAVETMPS;
+ HV *stash = gv_stashpv("Encode::XS", TRUE);
+ SV *sv = sv_bless(newRV_noinc(newSViv(PTR2IV(enc))), stash);
+ int i = 0;
PUSHMARK(sp);
- XPUSHs(arg);
- PUTBACK;
- if (perl_call_pv("Encode::find_encoding", G_SCALAR) != 1) {
- /* should never happen */
- Perl_die(aTHX_ "Encode::find_encoding did not return a value");
- return -1;
+ XPUSHs(sv);
+ while (enc->name[i]) {
+ const char *name = enc->name[i++];
+ XPUSHs(sv_2mortal(newSVpvn(name, strlen(name))));
}
- SPAGAIN;
- e->enc = POPs;
PUTBACK;
- if (!SvROK(e->enc)) {
- e->enc = Nullsv;
- errno = EINVAL;
- Perl_warner(aTHX_ packWARN(WARN_IO), "Cannot find encoding \"%" SVf "\"",
- arg);
- code = -1;
- }
- else {
- SvREFCNT_inc(e->enc);
- PerlIOBase(f)->flags |= PERLIO_F_UTF8;
- }
- FREETMPS;
- LEAVE;
- return code;
+ call_pv("Encode::define_encoding", G_DISCARD);
+ SvREFCNT_dec(sv);
}
-IV
-PerlIOEncode_popped(pTHX_ PerlIO * f)
+void
+call_failure(SV * routine, U8 * done, U8 * dest, U8 * orig)
{
- PerlIOEncode *e = PerlIOSelf(f, PerlIOEncode);
- if (e->enc) {
- SvREFCNT_dec(e->enc);
- e->enc = Nullsv;
- }
- if (e->bufsv) {
- SvREFCNT_dec(e->bufsv);
- e->bufsv = Nullsv;
- }
- if (e->dataSV) {
- SvREFCNT_dec(e->dataSV);
- e->dataSV = Nullsv;
- }
- return 0;
+ /* Exists for breakpointing */
}
-STDCHAR *
-PerlIOEncode_get_base(pTHX_ PerlIO * f)
+
+#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)
{
- PerlIOEncode *e = PerlIOSelf(f, PerlIOEncode);
- if (!e->base.bufsiz)
- e->base.bufsiz = 1024;
- if (!e->bufsv) {
- e->bufsv = newSV(e->base.bufsiz);
- sv_setpvn(e->bufsv, "", 0);
+ STRLEN slen;
+ U8 *s = (U8 *) SvPV(src, slen);
+ STRLEN tlen = slen;
+ STRLEN ddone = 0;
+ STRLEN sdone = 0;
+
+ /* We allocate slen+1.
+ PerlIO dumps core if this value is smaller than this. */
+ SV *dst = sv_2mortal(newSV(slen+1));
+ U8 *d = (U8 *)SvPVX(dst);
+ STRLEN dlen = SvLEN(dst)-1;
+ int code;
+
+ if (!slen){
+ SvCUR_set(dst, 0);
+ SvPOK_only(dst);
+ goto ENCODE_END;
}
- e->base.buf = (STDCHAR *) SvPVX(e->bufsv);
- if (!e->base.ptr)
- e->base.ptr = e->base.buf;
- if (!e->base.end)
- e->base.end = e->base.buf;
- if (e->base.ptr < e->base.buf
- || e->base.ptr > e->base.buf + SvLEN(e->bufsv)) {
- Perl_warn(aTHX_ " ptr %p(%p)%p", e->base.buf, e->base.ptr,
- e->base.buf + SvLEN(e->bufsv));
- abort();
+
+ 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 ENCODE_XS_PROFILE >= 2
+ 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 ENCODE_XS_USEFP == 2
+ more = (1.0*tlen*SvLEN(dst)+sdone-1)/sdone
+ - SvLEN(dst);
+#elif ENCODE_XS_USEFP
+ 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 */
+ 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,
+ 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* 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);
+ 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;
+ }
}
- if (SvLEN(e->bufsv) < e->base.bufsiz) {
- SSize_t poff = e->base.ptr - e->base.buf;
- SSize_t eoff = e->base.end - e->base.buf;
- e->base.buf = (STDCHAR *) SvGROW(e->bufsv, e->base.bufsiz);
- e->base.ptr = e->base.buf + poff;
- e->base.end = e->base.buf + eoff;
+ 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);
}
- if (e->base.ptr < e->base.buf
- || e->base.ptr > e->base.buf + SvLEN(e->bufsv)) {
- Perl_warn(aTHX_ " ptr %p(%p)%p", e->base.buf, e->base.ptr,
- e->base.buf + SvLEN(e->bufsv));
- abort();
+ /* 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);
}
- return e->base.buf;
+#endif
+
+ ENCODE_END:
+ *SvEND(dst) = '\0';
+ return dst;
}
-IV
-PerlIOEncode_fill(pTHX_ PerlIO * f)
+MODULE = Encode PACKAGE = Encode::utf8 PREFIX = Method_
+
+void
+Method_decode_xs(obj,src,check = 0)
+SV * obj
+SV * src
+int check
+CODE:
{
- PerlIOEncode *e = PerlIOSelf(f, PerlIOEncode);
- dSP;
- IV code = 0;
- PerlIO *n;
- SSize_t avail;
- if (PerlIO_flush(f) != 0)
- return -1;
- n = PerlIONext(f);
- if (!PerlIO_fast_gets(n)) {
- /* Things get too messy if we don't have a buffer layer
- push a :perlio to do the job */
- char mode[8];
- n = PerlIO_push(aTHX_ n, &PerlIO_perlio, PerlIO_modestr(f,mode), Nullsv);
- if (!n) {
- Perl_die(aTHX_ "panic: cannot push :perlio for %p",f);
- }
- }
- ENTER;
- SAVETMPS;
- retry:
- avail = PerlIO_get_cnt(n);
- if (avail <= 0) {
- avail = PerlIO_fill(n);
- if (avail == 0) {
- avail = PerlIO_get_cnt(n);
+ STRLEN slen;
+ U8 *s = (U8 *) SvPV(src, slen);
+ U8 *e = (U8 *) SvEND(src);
+ SV *dst = newSV(slen>0?slen:1); /* newSV() abhors 0 -- inaba */
+ SvPOK_only(dst);
+ SvCUR_set(dst,0);
+ if (SvUTF8(src)) {
+ s = utf8_to_bytes(s,&slen);
+ if (s) {
+ SvCUR_set(src,slen);
+ SvUTF8_off(src);
+ e = s+slen;
}
else {
- if (!PerlIO_error(n) && PerlIO_eof(n))
- avail = 0;
+ croak("Cannot decode string with wide characters");
}
}
- if (avail > 0) {
- STDCHAR *ptr = PerlIO_get_ptr(n);
- SSize_t use = avail;
- SV *uni;
- char *s;
- STRLEN len = 0;
- e->base.ptr = e->base.end = (STDCHAR *) Nullch;
- (void) PerlIOEncode_get_base(aTHX_ f);
- if (!e->dataSV)
- e->dataSV = newSV(0);
- if (SvTYPE(e->dataSV) < SVt_PV) {
- sv_upgrade(e->dataSV,SVt_PV);
- }
- if (SvCUR(e->dataSV)) {
- /* something left over from last time - create a normal
- SV with new data appended
- */
- if (use + SvCUR(e->dataSV) > e->base.bufsiz) {
- use = e->base.bufsiz - SvCUR(e->dataSV);
+ while (s < e) {
+ if (UTF8_IS_INVARIANT(*s) || UTF8_IS_START(*s)) {
+ U8 skip = UTF8SKIP(s);
+ if ((s + skip) > e) {
+ /* Partial character - done */
+ break;
}
- sv_catpvn(e->dataSV,(char*)ptr,use);
- }
- else {
- /* Create a "dummy" SV to represent the available data from layer below */
- if (SvLEN(e->dataSV) && SvPVX(e->dataSV)) {
- Safefree(SvPVX(e->dataSV));
+ else if (is_utf8_char(s)) {
+ /* Whole char is good */
+ sv_catpvn(dst,(char *)s,skip);
+ s += skip;
+ continue;
}
- if (use > e->base.bufsiz) {
- use = e->base.bufsiz;
+ else {
+ /* starts ok but isn't "good" */
}
- SvPVX(e->dataSV) = (char *) ptr;
- SvLEN(e->dataSV) = 0; /* Hands off sv.c - it isn't yours */
- SvCUR_set(e->dataSV,use);
- SvPOK_only(e->dataSV);
}
- SvUTF8_off(e->dataSV);
- PUSHMARK(sp);
- XPUSHs(e->enc);
- XPUSHs(e->dataSV);
- XPUSHs(&PL_sv_yes);
- PUTBACK;
- if (perl_call_method("decode", G_SCALAR) != 1) {
- Perl_die(aTHX_ "panic: decode did not return a value");
+ else {
+ /* Invalid start byte */
}
- SPAGAIN;
- uni = POPs;
- PUTBACK;
- /* Now get translated string (forced to UTF-8) and use as buffer */
- if (SvPOK(uni)) {
- s = SvPVutf8(uni, len);
- if (len && !is_utf8_string((U8*)s,len)) {
- Perl_warn(aTHX_ "panic: decode did not return UTF-8 '%.*s'",(int) len,s);
- }
+ /* If we get here there is something wrong with alleged UTF-8 */
+ if (check & ENCODE_DIE_ON_ERR){
+ Perl_croak(aTHX_ ERR_DECODE_NOMAP, "utf8", (UV)*s);
+ XSRETURN(0);
}
- if (len > 0) {
- /* Got _something */
- /* if decode gave us back dataSV then data may vanish when
- we do ptrcnt adjust - so take our copy now.
- (The copy is a pain - need a put-it-here option for decode.)
- */
- sv_setpvn(e->bufsv,s,len);
- e->base.ptr = e->base.buf = (STDCHAR*)SvPVX(e->bufsv);
- e->base.end = e->base.ptr + SvCUR(e->bufsv);
- PerlIOBase(f)->flags |= PERLIO_F_RDBUF;
- SvUTF8_on(e->bufsv);
-
- /* Adjust ptr/cnt not taking anything which
- did not translate - not clear this is a win */
- /* compute amount we took */
- use -= SvCUR(e->dataSV);
- PerlIO_set_ptrcnt(n, ptr+use, (avail-use));
- /* and as we did not take it it isn't pending */
- SvCUR_set(e->dataSV,0);
- } else {
- /* Got nothing - assume partial character so we need some more */
- /* Make sure e->dataSV is a normal SV before re-filling as
- buffer alias will change under us
- */
- s = SvPV(e->dataSV,len);
- sv_setpvn(e->dataSV,s,len);
- PerlIO_set_ptrcnt(n, ptr+use, (avail-use));
- goto retry;
+ if (check & ENCODE_WARN_ON_ERR){
+ Perl_warner(aTHX_ packWARN(WARN_UTF8),
+ ERR_DECODE_NOMAP, "utf8", (UV)*s);
}
- FREETMPS;
- LEAVE;
- return code;
- }
- else {
- if (avail == 0)
- PerlIOBase(f)->flags |= PERLIO_F_EOF;
- else
- PerlIOBase(f)->flags |= PERLIO_F_ERROR;
- return -1;
- }
-}
-
-IV
-PerlIOEncode_flush(pTHX_ PerlIO * f)
-{
- PerlIOEncode *e = PerlIOSelf(f, PerlIOEncode);
- IV code = 0;
- if (e->bufsv && (e->base.ptr > e->base.buf)) {
- dSP;
- SV *str;
- char *s;
- STRLEN len;
- SSize_t count = 0;
- if (PerlIOBase(f)->flags & PERLIO_F_WRBUF) {
- /* Write case encode the buffer and write() to layer below */
- ENTER;
- SAVETMPS;
- PUSHMARK(sp);
- XPUSHs(e->enc);
- SvCUR_set(e->bufsv, e->base.ptr - e->base.buf);
- SvUTF8_on(e->bufsv);
- XPUSHs(e->bufsv);
- XPUSHs(&PL_sv_yes);
- PUTBACK;
- if (perl_call_method("encode", G_SCALAR) != 1) {
- Perl_die(aTHX_ "panic: encode did not return a value");
- }
- SPAGAIN;
- str = POPs;
- PUTBACK;
- s = SvPV(str, len);
- count = PerlIO_write(PerlIONext(f),s,len);
- if (count != len) {
- code = -1;
- }
- FREETMPS;
- LEAVE;
- if (PerlIO_flush(PerlIONext(f)) != 0) {
- code = -1;
- }
- if (SvCUR(e->bufsv)) {
- /* Did not all translate */
- e->base.ptr = e->base.buf+SvCUR(e->bufsv);
- return code;
- }
+ if (check & ENCODE_RETURN_ON_ERR) {
+ break;
}
- else if (PerlIOBase(f)->flags & PERLIO_F_RDBUF) {
- /* read case */
- /* if we have any untranslated stuff then unread that first */
- if (e->dataSV && SvCUR(e->dataSV)) {
- s = SvPV(e->dataSV, len);
- count = PerlIO_unread(PerlIONext(f),s,len);
- if (count != len) {
- code = -1;
- }
- }
- /* See if there is anything left in the buffer */
- if (e->base.ptr < e->base.end) {
- /* Bother - have unread data.
- re-encode and unread() to layer below
- */
- ENTER;
- SAVETMPS;
- str = sv_newmortal();
- sv_upgrade(str, SVt_PV);
- SvPVX(str) = (char*)e->base.ptr;
- SvLEN(str) = 0;
- SvCUR_set(str, e->base.end - e->base.ptr);
- SvPOK_only(str);
- SvUTF8_on(str);
- PUSHMARK(sp);
- XPUSHs(e->enc);
- XPUSHs(str);
- XPUSHs(&PL_sv_yes);
- PUTBACK;
- if (perl_call_method("encode", G_SCALAR) != 1) {
- Perl_die(aTHX_ "panic: encode did not return a value");
- }
- SPAGAIN;
- str = POPs;
- PUTBACK;
- s = SvPV(str, len);
- count = PerlIO_unread(PerlIONext(f),s,len);
- if (count != len) {
- code = -1;
- }
- FREETMPS;
- LEAVE;
- }
+ if (check & (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){
+ SV* perlqq = newSVpvf("\\x%02" UVXf, (UV)*s);
+ sv_catsv(dst, perlqq);
+ SvREFCNT_dec(perlqq);
+ } else {
+ sv_catpv(dst, FBCHAR_UTF8);
}
- e->base.ptr = e->base.end = e->base.buf;
- PerlIOBase(f)->flags &= ~(PERLIO_F_RDBUF | PERLIO_F_WRBUF);
+ s++;
}
- return code;
-}
+ *SvEND(dst) = '\0';
-IV
-PerlIOEncode_close(pTHX_ PerlIO * f)
-{
- PerlIOEncode *e = PerlIOSelf(f, PerlIOEncode);
- IV code = PerlIOBase_close(aTHX_ f);
- if (e->bufsv) {
- if (e->base.buf && e->base.ptr > e->base.buf) {
- Perl_croak(aTHX_ "Close with partial character");
+ /* 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);
}
- SvREFCNT_dec(e->bufsv);
- e->bufsv = Nullsv;
+ SvCUR_set(src, slen);
}
- e->base.buf = NULL;
- e->base.ptr = NULL;
- e->base.end = NULL;
- PerlIOBase(f)->flags &= ~(PERLIO_F_RDBUF | PERLIO_F_WRBUF);
- return code;
+ SvUTF8_on(dst);
+ ST(0) = sv_2mortal(dst);
+ XSRETURN(1);
}
-Off_t
-PerlIOEncode_tell(pTHX_ PerlIO * f)
+void
+Method_encode_xs(obj,src,check = 0)
+SV * obj
+SV * src
+int check
+CODE:
{
- PerlIOBuf *b = PerlIOSelf(f, PerlIOBuf);
- /* Unfortunately the only way to get a postion is to (re-)translate,
- the UTF8 we have in bufefr and then ask layer below
- */
- PerlIO_flush(f);
- if (b->buf && b->ptr > b->buf) {
- Perl_croak(aTHX_ "Cannot tell at partial character");
+ 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 - 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++);
+ 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';
}
- return PerlIO_tell(PerlIONext(f));
-}
-PerlIO *
-PerlIOEncode_dup(pTHX_ PerlIO * f, PerlIO * o,
- CLONE_PARAMS * params, int flags)
-{
- if ((f = PerlIOBase_dup(aTHX_ f, o, params, flags))) {
- PerlIOEncode *fe = PerlIOSelf(f, PerlIOEncode);
- PerlIOEncode *oe = PerlIOSelf(o, PerlIOEncode);
- if (oe->enc) {
- fe->enc = PerlIO_sv_dup(aTHX_ oe->enc, params);
+ /* 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);
}
- return f;
+ SvPOK_only(dst);
+ SvUTF8_off(dst);
+ ST(0) = sv_2mortal(dst);
+ XSRETURN(1);
}
-PerlIO_funcs PerlIO_encode = {
- "encoding",
- sizeof(PerlIOEncode),
- PERLIO_K_BUFFERED|PERLIO_K_DESTRUCT,
- PerlIOEncode_pushed,
- PerlIOEncode_popped,
- PerlIOBuf_open,
- PerlIOEncode_getarg,
- PerlIOBase_fileno,
- PerlIOEncode_dup,
- PerlIOBuf_read,
- PerlIOBuf_unread,
- PerlIOBuf_write,
- PerlIOBuf_seek,
- PerlIOEncode_tell,
- PerlIOEncode_close,
- PerlIOEncode_flush,
- PerlIOEncode_fill,
- PerlIOBase_eof,
- PerlIOBase_error,
- PerlIOBase_clearerr,
- PerlIOBase_setlinebuf,
- PerlIOEncode_get_base,
- PerlIOBuf_bufsiz,
- PerlIOBuf_get_ptr,
- PerlIOBuf_get_cnt,
- PerlIOBuf_set_ptrcnt,
-};
-#endif /* encode layer */
+MODULE = Encode PACKAGE = Encode::XS PREFIX = Method_
-void
-Encode_XSEncoding(pTHX_ encode_t * enc)
-{
- dSP;
- HV *stash = gv_stashpv("Encode::XS", TRUE);
- SV *sv = sv_bless(newRV_noinc(newSViv(PTR2IV(enc))), stash);
- int i = 0;
- PUSHMARK(sp);
- XPUSHs(sv);
- while (enc->name[i]) {
- const char *name = enc->name[i++];
- XPUSHs(sv_2mortal(newSVpvn(name, strlen(name))));
- }
- PUTBACK;
- call_pv("Encode::define_encoding", G_DISCARD);
- SvREFCNT_dec(sv);
-}
+PROTOTYPES: ENABLE
void
-call_failure(SV * routine, U8 * done, U8 * dest, U8 * orig)
+Method_name(obj)
+SV * obj
+CODE:
{
- /* Exists for breakpointing */
+ encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
+ ST(0) = sv_2mortal(newSVpvn(enc->name[0],strlen(enc->name[0])));
+ XSRETURN(1);
}
-static SV *
-encode_method(pTHX_ encode_t * enc, encpage_t * dir, SV * src,
- int check)
+void
+Method_decode(obj,src,check = 0)
+SV * obj
+SV * src
+int check
+CODE:
{
- STRLEN slen;
- U8 *s = (U8 *) SvPV(src, slen);
- STRLEN tlen = slen;
- STRLEN ddone = 0;
- STRLEN sdone = 0;
- 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 0
- Perl_warn(aTHX_ "code=%d @ s=%d/%d/%d d=%d/%d/%d",code,slen,sdone,tlen,dlen,ddone,SvLEN(dst)-1);
-#endif
-
- if (code == ENCODE_FALLBACK || code == ENCODE_PARTIAL)
- break;
-
- switch (code) {
- case ENCODE_NOSPACE:
- {
- STRLEN need ;
- sdone += slen;
- ddone += dlen;
- if (sdone) {
- need = (tlen*SvLEN(dst)+sdone-1)/sdone+UTF8_MAXLEN;
- }
- else {
- need = SvLEN(dst) + UTF8_MAXLEN;
- }
-
- d = (U8 *) SvGROW(dst, need);
- 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) {
- if (!check && ckWARN_d(WARN_UTF8)) {
- STRLEN clen;
- UV ch =
- utf8n_to_uvuni(s + slen, (SvCUR(src) - slen),
- &clen, 0);
- Perl_warner(aTHX_ packWARN(WARN_UTF8),
- "\"\\N{U+%" UVxf
- "}\" does not map to %s", ch,
- enc->name[0]);
- /* FIXME: Skip over the character, copy in replacement and continue
- * but that is messy so for now just fail.
- */
- return &PL_sv_undef;
- }
- else {
- return &PL_sv_undef;
- }
- }
- 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);
- }
- 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) {
- Move(s + slen, SvPVX(src), sdone , U8);
- }
- SvCUR_set(src, sdone);
- }
- }
- else {
- SvCUR_set(dst, 0);
- SvPOK_only(dst);
+ encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
+ if (SvUTF8(src)) {
+ sv_utf8_downgrade(src, FALSE);
}
- *SvEND(dst) = '\0';
- return dst;
+ ST(0) = encode_method(aTHX_ enc, enc->t_utf8, src, check);
+ SvUTF8_on(ST(0));
+ XSRETURN(1);
}
-MODULE = Encode PACKAGE = Encode::XS PREFIX = Method_
-
-PROTOTYPES: ENABLE
-
void
-Method_name(obj)
-SV * obj
+Method_encode(obj,src,check = 0)
+SV * obj
+SV * src
+int check
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)));
+ sv_utf8_upgrade(src);
+ ST(0) = encode_method(aTHX_ enc, enc->f_utf8, src, check);
+ XSRETURN(1);
+}
void
-Method_decode(obj,src,check = FALSE)
-SV * obj
-SV * src
-bool check
+Method_needs_lines(obj)
+SV * obj
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) = &PL_sv_no;
+ XSRETURN(1);
+}
void
-Method_encode(obj,src,check = FALSE)
-SV * obj
-SV * src
-bool check
+Method_perlio_ok(obj)
+SV * obj
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);
- }
+{
+ /* 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);
+}
MODULE = Encode PACKAGE = Encode
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;
-
- else
- uv = (uv << 6) | (*s++ & 0x3f);
+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; }
+
+ /* 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 = FALSE)
-SV * sv
-bool 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 {
+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;
- }
- 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 "8859_def.h"
-#include "EBCDIC_def.h"
-#include "Symbols_def.h"
+#include "def_t.h"
+#include "def_t.exh"
}
https://perl5.git.perl.org / perl5.git / blobdiff