[p5sagit/p5-mst-13.2.git] / ext / Encode / Encode.xs

/*
 $Id: Encode.xs,v 1.54 2003/02/20 14:42:34 dankogai Exp dankogai $
 */

#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#define U8 U8
#include "encode.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"); \
			 return (y)0; /* fool picky compilers */ \
                         }
/**/

UNIMPLEMENTED(_encoded_utf8_to_bytes, I32)
UNIMPLEMENTED(_encoded_bytes_to_utf8, I32)

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);
}

void
call_failure(SV * routine, U8 * done, U8 * dest, U8 * orig)
{
    /* 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, STRLEN * offset, SV * term, int * retcode)
{
    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 = 0;
    STRLEN trmlen = 0;
    U8 *trm = term ? (U8*) SvPV(term, trmlen) : NULL;

    if (offset) {
      s += *offset;
      slen -= *offset;
      tlen = slen;
    }

    if (slen <= 0){
	SvCUR_set(dst, 0);
	SvPOK_only(dst);
	goto ENCODE_END;
    }

    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 ||
	    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));
#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;
	}
    }
 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);
    }
#endif

    if (offset) 
      *offset += sdone + slen;

 ENCODE_END:
    *SvEND(dst) = '\0';
    if (retcode) *retcode = code;
    return dst;
}

MODULE = Encode		PACKAGE = Encode::utf8	PREFIX = Method_

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 */
    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 {
	    croak("Cannot decode string with wide characters");
	}
    }
    while (s < e) {
    	if (UTF8_IS_INVARIANT(*s) || UTF8_IS_START(*s)) {
	    U8 skip = UTF8SKIP(s);
	    if ((s + skip) > e) {
	    	/* Partial character - done */
	    	break;
	    }
	    else if (is_utf8_char(s)) {
	    	/* Whole char is good */
		sv_catpvn(dst,(char *)s,skip);
		s += skip;
		continue;
	    }
	    else {
	    	/* starts ok but isn't "good" */
	    }
	}
	else {
	    /* Invalid start byte */
	}
	/* 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 (check & ENCODE_WARN_ON_ERR){
	    Perl_warner(aTHX_ packWARN(WARN_UTF8),
			ERR_DECODE_NOMAP, "utf8", (UV)*s);
        }
    	if (check & ENCODE_RETURN_ON_ERR) {
		break;
    	}
        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);
	}
	s++;
    }
    *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);
    }
    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 - 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';
    }

    /* 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_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);
}

void
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)));
    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));
    SvIVX(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 = 0)
SV *	obj
SV *	src
int	check
CODE:
{
    encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
    if (SvUTF8(src)) {
    	sv_utf8_downgrade(src, FALSE);
    }
    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)
SV *	obj
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,
			  NULL, Nullsv, NULL);
    XSRETURN(1);
}

void
Method_needs_lines(obj)
SV *	obj
CODE:
{
    /* encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj))); */
    ST(0) = &PL_sv_no;
    XSRETURN(1);
}

void
Method_perlio_ok(obj)
SV *	obj
CODE:
{
    /* 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

PROTOTYPES: ENABLE

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

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;
            /* 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? */
		  }
		  *dest++ = (U8)uv;
		}
	    }
	} else {
	    RETVAL = (utf8_to_bytes(s, &len) ? len : 0);
	}
    }
}
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 {
	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 *
_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

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:
{
#include "def_t.h"
#include "def_t.exh"
}
Commit	Line	Data
85982a32	1	/*
cc7dbc11	2	$Id: Encode.xs,v 1.54 2003/02/20 14:42:34 dankogai Exp dankogai $
85982a32	3	*/
85982a32	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
2f2b4ff2	10	#include "encode.h"
10c5ecbb	11
10c5ecbb	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
85982a32	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
85982a32	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)
7e9a885a	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	}
2f2b4ff2	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,
220e2d4e	62	int check, STRLEN * offset, SV * term, int * retcode)
2f2b4ff2	63	{
aa0053b7	64	STRLEN slen;
aa0053b7	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);
85982a32	74	STRLEN dlen = SvLEN(dst)-1;
220e2d4e	75	int code = 0;
220e2d4e	76	STRLEN trmlen = 0;
cc7dbc11	77	U8 trm = term ? (U8) SvPV(term, trmlen) : NULL;
220e2d4e	78
	79	if (offset) {
	80	s += *offset;
	81	slen -= *offset;
	82	tlen = slen;
	83	}
85982a32	84
220e2d4e	85	if (slen <= 0){
85982a32	86	SvCUR_set(dst, 0);
	87	SvPOK_only(dst);
	88	goto ENCODE_END;
	89	}
	90
220e2d4e	91	while( (code = do_encode(dir, s, &slen, d, dlen, &dlen, !check,
220e2d4e	92	trm, trmlen)) )
85982a32	93	{
	94	SvCUR_set(dst, dlen+ddone);
	95	SvPOK_only(dst);
0b3236bb	96
220e2d4e	97	if (code == ENCODE_FALLBACK \|\| code == ENCODE_PARTIAL \|\|
220e2d4e	98	code == ENCODE_FOUND_TERM) {
85982a32	99	break;
	100	}
	101	switch (code) {
	102	case ENCODE_NOSPACE:
	103	{
	104	STRLEN more = 0; /* make sure you initialize! */
	105	STRLEN sleft;
	106	sdone += slen;
	107	ddone += dlen;
	108	sleft = tlen - sdone;
fcb875d4	109	#if ENCODE_XS_PROFILE >= 2
85982a32	110	Perl_warn(aTHX_
	111	"more=%d, sdone=%d, sleft=%d, SvLEN(dst)=%d\n",
	112	more, sdone, sleft, SvLEN(dst));
fcb875d4	113	#endif
85982a32	114	if (sdone != 0) { /* has src ever been processed ? */
39cf9a5e	115	#if ENCODE_XS_USEFP == 2
85982a32	116	more = (1.0tlenSvLEN(dst)+sdone-1)/sdone
85982a32	117	- SvLEN(dst);
39cf9a5e	118	#elif ENCODE_XS_USEFP
6e21dc91	119	more = (STRLEN)((1.0SvLEN(dst)+1)/sdone sleft);
39cf9a5e	120	#else
85982a32	121	/* safe until SvLEN(dst) == MAX_INT/16 */
85982a32	122	more = (16SvLEN(dst)+1)/sdone/16 sleft;
39cf9a5e	123	#endif
39cf9a5e	124	}
85982a32	125	more += UTF8_MAXLEN; /* insurance policy */
	126	d = (U8 *) SvGROW(dst, SvLEN(dst) + more);
	127	/* dst need to grow need MORE bytes! */
	128	if (ddone >= SvLEN(dst)) {
	129	Perl_croak(aTHX_ "Destination couldn't be grown.");
	130	}
	131	dlen = SvLEN(dst)-ddone-1;
	132	d += ddone;
	133	s += slen;
	134	slen = tlen-sdone;
	135	continue;
	136	}
	137	case ENCODE_NOREP:
	138	/* encoding */
c6a7db43	139	if (dir == enc->f_utf8) {
85982a32	140	STRLEN clen;
85982a32	141	UV ch =
3e952a88	142	utf8n_to_uvuni(s+slen, (SvCUR(src)-slen),
b0b300a3	143	&clen, UTF8_ALLOW_ANY\|UTF8_CHECK_ONLY);
85982a32	144	if (check & ENCODE_DIE_ON_ERR) {
2fc614e0	145	Perl_croak(aTHX_ ERR_ENCODE_NOMAP,
2fc614e0	146	(UV)ch, enc->name[0]);
4089adc4	147	return &PL_sv_undef; /* never reaches but be safe */
	148	}
	149	if (check & ENCODE_WARN_ON_ERR){
	150	Perl_warner(aTHX_ packWARN(WARN_UTF8),
2fc614e0	151	ERR_ENCODE_NOMAP, (UV)ch, enc->name[0]);
4089adc4	152	}
	153	if (check & ENCODE_RETURN_ON_ERR){
	154	goto ENCODE_SET_SRC;
	155	}
	156	if (check & ENCODE_PERLQQ){
	157	SV* perlqq =
	158	sv_2mortal(newSVpvf("\\x{%04"UVxf"}", (UV)ch));
	159	sdone += slen + clen;
	160	ddone += dlen + SvCUR(perlqq);
	161	sv_catsv(dst, perlqq);
	162	}else if (check & ENCODE_HTMLCREF){
	163	SV* htmlcref =
	164	sv_2mortal(newSVpvf("&#%" UVuf ";", (UV)ch));
	165	sdone += slen + clen;
	166	ddone += dlen + SvCUR(htmlcref);
	167	sv_catsv(dst, htmlcref);
	168	}else if (check & ENCODE_XMLCREF){
	169	SV* xmlcref =
	170	sv_2mortal(newSVpvf("&#x%" UVxf ";", (UV)ch));
	171	sdone += slen + clen;
	172	ddone += dlen + SvCUR(xmlcref);
	173	sv_catsv(dst, xmlcref);
	174	} else {
	175	/* fallback char */
	176	sdone += slen + clen;
	177	ddone += dlen + enc->replen;
	178	sv_catpvn(dst, (char*)enc->rep, enc->replen);
c6a7db43	179	}
b2704119	180	}
85982a32	181	/* decoding */
c6a7db43	182	else {
85982a32	183	if (check & ENCODE_DIE_ON_ERR){
2fc614e0	184	Perl_croak(aTHX_ ERR_DECODE_NOMAP,
436c6dd3	185	enc->name[0], (UV)s[slen]);
4089adc4	186	return &PL_sv_undef; /* never reaches but be safe */
	187	}
	188	if (check & ENCODE_WARN_ON_ERR){
	189	Perl_warner(
	190	aTHX_ packWARN(WARN_UTF8),
2fc614e0	191	ERR_DECODE_NOMAP,
436c6dd3	192	enc->name[0], (UV)s[slen]);
4089adc4	193	}
	194	if (check & ENCODE_RETURN_ON_ERR){
	195	goto ENCODE_SET_SRC;
	196	}
	197	if (check &
	198	(ENCODE_PERLQQ\|ENCODE_HTMLCREF\|ENCODE_XMLCREF)){
	199	SV* perlqq =
	200	sv_2mortal(newSVpvf("\\x%02" UVXf, (UV)s[slen]));
	201	sdone += slen + 1;
	202	ddone += dlen + SvCUR(perlqq);
	203	sv_catsv(dst, perlqq);
	204	} else {
	205	sdone += slen + 1;
	206	ddone += dlen + strlen(FBCHAR_UTF8);
	207	sv_catpv(dst, FBCHAR_UTF8);
aa0053b7	208	}
b2704119	209	}
85982a32	210	/* settle variables when fallback */
b0b300a3	211	d = (U8 *)SvEND(dst);
b0b300a3	212	dlen = SvLEN(dst) - ddone - 1;
3e952a88	213	s = (U8*)SvPVX(src) + sdone;
b2704119	214	slen = tlen - sdone;
b2704119	215	break;
2f2b4ff2	216
85982a32	217	default:
	218	Perl_croak(aTHX_ "Unexpected code %d converting %s %s",
	219	code, (dir == enc->f_utf8) ? "to" : "from",
	220	enc->name[0]);
	221	return &PL_sv_undef;
aa0053b7	222	}
85982a32	223	}
85982a32	224	ENCODE_SET_SRC:
ca777f1c	225	if (check && !(check & ENCODE_LEAVE_SRC)){
ca777f1c	226	sdone = SvCUR(src) - (slen+sdone);
85982a32	227	if (sdone) {
85982a32	228	sv_setpvn(src, (char*)s+slen, sdone);
aa0053b7	229	}
85982a32	230	SvCUR_set(src, sdone);
2f2b4ff2	231	}
85982a32	232	/* warn("check = 0x%X, code = 0x%d\n", check, code); */
c6a7db43	233
85982a32	234	SvCUR_set(dst, dlen+ddone);
85982a32	235	SvPOK_only(dst);
c6a7db43	236
39cf9a5e	237	#if ENCODE_XS_PROFILE
39cf9a5e	238	if (SvCUR(dst) > SvCUR(src)){
85982a32	239	Perl_warn(aTHX_
	240	"SvLEN(dst)=%d, SvCUR(dst)=%d. %d bytes unused(%f %%)\n",
	241	SvLEN(dst), SvCUR(dst), SvLEN(dst) - SvCUR(dst),
	242	(SvLEN(dst) - SvCUR(dst))1.0/SvLEN(dst)100.0);
39cf9a5e	243	}
3c49ab08	244	#endif
c6a7db43	245
220e2d4e	246	if (offset)
	247	*offset += sdone + slen;
	248
85982a32	249	ENCODE_END:
0b3236bb	250	*SvEND(dst) = '\0';
220e2d4e	251	if (retcode) *retcode = code;
aa0053b7	252	return dst;
2f2b4ff2	253	}
2f2b4ff2	254
ab3374e4	255	MODULE = Encode PACKAGE = Encode::utf8 PREFIX = Method_
	256
	257	void
b536bf57	258	Method_decode_xs(obj,src,check = 0)
ab3374e4	259	SV * obj
	260	SV * src
	261	int check
	262	CODE:
	263	{
	264	STRLEN slen;
	265	U8 s = (U8 ) SvPV(src, slen);
	266	U8 e = (U8 ) SvEND(src);
b536bf57	267	SV dst = newSV(slen>0?slen:1); / newSV() abhors 0 -- inaba */
ab3374e4	268	SvPOK_only(dst);
	269	SvCUR_set(dst,0);
	270	if (SvUTF8(src)) {
	271	s = utf8_to_bytes(s,&slen);
	272	if (s) {
	273	SvCUR_set(src,slen);
	274	SvUTF8_off(src);
	275	e = s+slen;
	276	}
	277	else {
	278	croak("Cannot decode string with wide characters");
	279	}
	280	}
	281	while (s < e) {
	282	if (UTF8_IS_INVARIANT(s) \|\| UTF8_IS_START(s)) {
	283	U8 skip = UTF8SKIP(s);
	284	if ((s + skip) > e) {
	285	/* Partial character - done */
	286	break;
	287	}
	288	else if (is_utf8_char(s)) {
	289	/* Whole char is good */
	290	sv_catpvn(dst,(char *)s,skip);
	291	s += skip;
	292	continue;
	293	}
	294	else {
	295	/* starts ok but isn't "good" */
	296	}
	297	}
	298	else {
	299	/* Invalid start byte */
	300	}
	301	/* If we get here there is something wrong with alleged UTF-8 */
	302	if (check & ENCODE_DIE_ON_ERR){
	303	Perl_croak(aTHX_ ERR_DECODE_NOMAP, "utf8", (UV)*s);
	304	XSRETURN(0);
	305	}
	306	if (check & ENCODE_WARN_ON_ERR){
	307	Perl_warner(aTHX_ packWARN(WARN_UTF8),
	308	ERR_DECODE_NOMAP, "utf8", (UV)*s);
	309	}
	310	if (check & ENCODE_RETURN_ON_ERR) {
	311	break;
	312	}
	313	if (check & (ENCODE_PERLQQ\|ENCODE_HTMLCREF\|ENCODE_XMLCREF)){
	314	SV* perlqq = newSVpvf("\\x%02" UVXf, (UV)*s);
	315	sv_catsv(dst, perlqq);
	316	SvREFCNT_dec(perlqq);
	317	} else {
	318	sv_catpv(dst, FBCHAR_UTF8);
	319	}
	320	s++;
	321	}
	322	*SvEND(dst) = '\0';
	323
	324	/* Clear out translated part of source unless asked not to */
	325	if (check && !(check & ENCODE_LEAVE_SRC)){
	326	slen = e-s;
	327	if (slen) {
	328	sv_setpvn(src, (char*)s, slen);
	329	}
	330	SvCUR_set(src, slen);
	331	}
332	SvUTF8_on(dst);
333	ST(0) = sv_2mortal(dst);
334	XSRETURN(1);
335	}
336
337	void
b536bf57	338	Method_encode_xs(obj,src,check = 0)
ab3374e4	339	SV * obj
	340	SV * src
	341	int check
	342	CODE:
	343	{
	344	STRLEN slen;
	345	U8 s = (U8 ) SvPV(src, slen);
	346	U8 e = (U8 ) SvEND(src);
b536bf57	347	SV dst = newSV(slen>0?slen:1); / newSV() abhors 0 -- inaba */
ab3374e4	348	if (SvUTF8(src)) {
	349	/* Already encoded - trust it and just copy the octets */
	350	sv_setpvn(dst,(char *)s,(e-s));
	351	s = e;
	352	}
	353	else {
	354	/* Native bytes - can always encode */
b536bf57	355	U8 d = (U8 ) SvGROW(dst, 2slen+1); / +1 or assertion will botch */
ab3374e4	356	while (s < e) {
	357	UV uv = NATIVE_TO_UNI((UV) *s++);
	358	if (UNI_IS_INVARIANT(uv))
	359	*d++ = (U8)UTF_TO_NATIVE(uv);
	360	else {
	361	*d++ = (U8)UTF8_EIGHT_BIT_HI(uv);
	362	*d++ = (U8)UTF8_EIGHT_BIT_LO(uv);
	363	}
	364	}
	365	SvCUR_set(dst, d- (U8 *)SvPVX(dst));
	366	*SvEND(dst) = '\0';
	367	}
	368
	369	/* Clear out translated part of source unless asked not to */
	370	if (check && !(check & ENCODE_LEAVE_SRC)){
	371	slen = e-s;
	372	if (slen) {
	373	sv_setpvn(src, (char*)s, slen);
	374	}
	375	SvCUR_set(src, slen);
	376	}
	377	SvPOK_only(dst);
	378	SvUTF8_off(dst);
	379	ST(0) = sv_2mortal(dst);
	380	XSRETURN(1);
	381	}
	382
50d26985	383	MODULE = Encode PACKAGE = Encode::XS PREFIX = Method_
2f2b4ff2	384
	385	PROTOTYPES: ENABLE
	386
	387	void
0a95303c	388	Method_name(obj)
	389	SV * obj
	390	CODE:
85982a32	391	{
	392	encode_t enc = INT2PTR(encode_t , SvIV(SvRV(obj)));
	393	ST(0) = sv_2mortal(newSVpvn(enc->name[0],strlen(enc->name[0])));
	394	XSRETURN(1);
	395	}
0a95303c	396
0a95303c	397	void
220e2d4e	398	Method_cat_decode(obj, dst, src, off, term, check = 0)
	399	SV * obj
	400	SV * dst
	401	SV * src
	402	SV * off
	403	SV * term
	404	int check
	405	CODE:
	406	{
	407	encode_t enc = INT2PTR(encode_t , SvIV(SvRV(obj)));
	408	STRLEN offset = (STRLEN)SvIV(off);
	409	int code = 0;
	410	if (SvUTF8(src)) {
	411	sv_utf8_downgrade(src, FALSE);
	412	}
	413	sv_catsv(dst, encode_method(aTHX_ enc, enc->t_utf8, src, check,
	414	&offset, term, &code));
	415	SvIVX(off) = (IV)offset;
	416	if (code == ENCODE_FOUND_TERM) {
	417	ST(0) = &PL_sv_yes;
	418	}else{
	419	ST(0) = &PL_sv_no;
	420	}
	421	XSRETURN(1);
	422	}
	423
	424	void
b2704119	425	Method_decode(obj,src,check = 0)
2f2b4ff2	426	SV * obj
2f2b4ff2	427	SV * src
b2704119	428	int check
2f2b4ff2	429	CODE:
aae85ceb	430	{
85982a32	431	encode_t enc = INT2PTR(encode_t , SvIV(SvRV(obj)));
ab3374e4	432	if (SvUTF8(src)) {
	433	sv_utf8_downgrade(src, FALSE);
	434	}
220e2d4e	435	ST(0) = encode_method(aTHX_ enc, enc->t_utf8, src, check,
220e2d4e	436	NULL, Nullsv, NULL);
85982a32	437	SvUTF8_on(ST(0));
aae85ceb	438	XSRETURN(1);
	439	}
	440
	441	void
85982a32	442	Method_encode(obj,src,check = 0)
aae85ceb	443	SV * obj
85982a32	444	SV * src
85982a32	445	int check
aae85ceb	446	CODE:
aae85ceb	447	{
85982a32	448	encode_t enc = INT2PTR(encode_t , SvIV(SvRV(obj)));
85982a32	449	sv_utf8_upgrade(src);
220e2d4e	450	ST(0) = encode_method(aTHX_ enc, enc->f_utf8, src, check,
220e2d4e	451	NULL, Nullsv, NULL);
aae85ceb	452	XSRETURN(1);
	453	}
	454
0ab8f81e	455	void
	456	Method_needs_lines(obj)
	457	SV * obj
	458	CODE:
	459	{
b32afa7c	460	/* encode_t enc = INT2PTR(encode_t , SvIV(SvRV(obj))); */
0ab8f81e	461	ST(0) = &PL_sv_no;
	462	XSRETURN(1);
	463	}
	464
	465	void
	466	Method_perlio_ok(obj)
	467	SV * obj
	468	CODE:
	469	{
b32afa7c	470	/* encode_t enc = INT2PTR(encode_t , SvIV(SvRV(obj))); */
10c5ecbb	471	/* require_pv(PERLIO_FILENAME); */
	472
	473	eval_pv("require PerlIO::encoding", 0);
	474
	475	if (SvTRUE(get_sv("@", 0))) {
0ab8f81e	476	ST(0) = &PL_sv_no;
10c5ecbb	477	}else{
10c5ecbb	478	ST(0) = &PL_sv_yes;
0ab8f81e	479	}
	480	XSRETURN(1);
	481	}
	482
67e989fb	483	MODULE = Encode PACKAGE = Encode
2c674647	484
	485	PROTOTYPES: ENABLE
	486
67e989fb	487	I32
2c674647	488	_bytes_to_utf8(sv, ...)
85982a32	489	SV * sv
	490	CODE:
	491	{
	492	SV * encoding = items == 2 ? ST(1) : Nullsv;
c6a7db43	493
85982a32	494	if (encoding)
	495	RETVAL = _encoded_bytes_to_utf8(sv, SvPV_nolen(encoding));
	496	else {
	497	STRLEN len;
	498	U8* s = (U8*)SvPV(sv, len);
	499	U8* converted;
	500
	501	converted = bytes_to_utf8(s, &len); /* This allocs */
	502	sv_setpvn(sv, (char *)converted, len);
	503	SvUTF8_on(sv); /* XXX Should we? */
	504	Safefree(converted); /* ... so free it */
	505	RETVAL = len;
	506	}
	507	}
	508	OUTPUT:
	509	RETVAL
2c674647	510
67e989fb	511	I32
2c674647	512	_utf8_to_bytes(sv, ...)
85982a32	513	SV * sv
	514	CODE:
	515	{
	516	SV * to = items > 1 ? ST(1) : Nullsv;
	517	SV * check = items > 2 ? ST(2) : Nullsv;
	518
	519	if (to) {
	520	RETVAL = _encoded_utf8_to_bytes(sv, SvPV_nolen(to));
	521	} else {
	522	STRLEN len;
	523	U8 s = (U8)SvPV(sv, len);
	524
	525	RETVAL = 0;
	526	if (SvTRUE(check)) {
	527	/* Must do things the slow way */
	528	U8 *dest;
	529	/* We need a copy to pass to check() */
c6a7db43	530	U8 src = (U8)savepv((char *)s);
85982a32	531	U8 *send = s + len;
	532
	533	New(83, dest, len, U8); /* I think */
	534
	535	while (s < send) {
	536	if (*s < 0x80){
	537	dest++ = s++;
	538	} else {
	539	STRLEN ulen;
	540	UV uv = *s++;
	541
	542	/* Have to do it all ourselves because of error routine,
	543	aargh. */
	544	if (!(uv & 0x40)){ goto failure; }
	545	if (!(uv & 0x20)) { ulen = 2; uv &= 0x1f; }
	546	else if (!(uv & 0x10)) { ulen = 3; uv &= 0x0f; }
	547	else if (!(uv & 0x08)) { ulen = 4; uv &= 0x07; }
	548	else if (!(uv & 0x04)) { ulen = 5; uv &= 0x03; }
	549	else if (!(uv & 0x02)) { ulen = 6; uv &= 0x01; }
	550	else if (!(uv & 0x01)) { ulen = 7; uv = 0; }
	551	else { ulen = 13; uv = 0; }
87714904	552
85982a32	553	/* Note change to utf8.c variable naming, for variety */
85982a32	554	while (ulen--) {
c6a7db43	555	if ((*s & 0xc0) != 0x80){
c6a7db43	556	goto failure;
85982a32	557	} else {
	558	uv = (uv << 6) \| (*s++ & 0x3f);
	559	}
87714904	560	}
67e989fb	561	if (uv > 256) {
67e989fb	562	failure:
85982a32	563	call_failure(check, s, dest, src);
85982a32	564	/* Now what happens? */
67e989fb	565	}
67e989fb	566	*dest++ = (U8)uv;
85982a32	567	}
	568	}
	569	} else {
	570	RETVAL = (utf8_to_bytes(s, &len) ? len : 0);
2c674647	571	}
85982a32	572	}
	573	}
	574	OUTPUT:
	575	RETVAL
2c674647	576
2c674647	577	bool
b2704119	578	is_utf8(sv, check = 0)
4411f3b6	579	SV * sv
b2704119	580	int check
85982a32	581	CODE:
	582	{
	583	if (SvGMAGICAL(sv)) /* it could be $1, for example */
	584	sv = newSVsv(sv); /* GMAGIG will be done */
	585	if (SvPOK(sv)) {
	586	RETVAL = SvUTF8(sv) ? TRUE : FALSE;
	587	if (RETVAL &&
	588	check &&
	589	!is_utf8_string((U8*)SvPVX(sv), SvCUR(sv)))
2c674647	590	RETVAL = FALSE;
85982a32	591	} else {
	592	RETVAL = FALSE;
	593	}
	594	if (sv != ST(0))
	595	SvREFCNT_dec(sv); /* it was a temp copy */
	596	}
	597	OUTPUT:
	598	RETVAL
2c674647	599
2c674647	600	SV *
4411f3b6	601	_utf8_on(sv)
85982a32	602	SV * sv
	603	CODE:
	604	{
	605	if (SvPOK(sv)) {
	606	SV *rsv = newSViv(SvUTF8(sv));
	607	RETVAL = rsv;
	608	SvUTF8_on(sv);
	609	} else {
	610	RETVAL = &PL_sv_undef;
	611	}
	612	}
	613	OUTPUT:
	614	RETVAL
2c674647	615
2c674647	616	SV *
4411f3b6	617	_utf8_off(sv)
85982a32	618	SV * sv
	619	CODE:
	620	{
	621	if (SvPOK(sv)) {
	622	SV *rsv = newSViv(SvUTF8(sv));
	623	RETVAL = rsv;
	624	SvUTF8_off(sv);
	625	} else {
	626	RETVAL = &PL_sv_undef;
	627	}
	628	}
	629	OUTPUT:
	630	RETVAL
	631
85982a32	632	int
	633	DIE_ON_ERR()
	634	CODE:
	635	RETVAL = ENCODE_DIE_ON_ERR;
	636	OUTPUT:
	637	RETVAL
	638
c6a7db43	639	int
85982a32	640	WARN_ON_ERR()
	641	CODE:
	642	RETVAL = ENCODE_WARN_ON_ERR;
	643	OUTPUT:
	644	RETVAL
	645
	646	int
	647	LEAVE_SRC()
	648	CODE:
	649	RETVAL = ENCODE_LEAVE_SRC;
	650	OUTPUT:
	651	RETVAL
	652
	653	int
	654	RETURN_ON_ERR()
	655	CODE:
	656	RETVAL = ENCODE_RETURN_ON_ERR;
	657	OUTPUT:
	658	RETVAL
	659
	660	int
	661	PERLQQ()
	662	CODE:
	663	RETVAL = ENCODE_PERLQQ;
	664	OUTPUT:
	665	RETVAL
	666
	667	int
af1f55d9	668	HTMLCREF()
	669	CODE:
	670	RETVAL = ENCODE_HTMLCREF;
	671	OUTPUT:
	672	RETVAL
	673
	674	int
	675	XMLCREF()
	676	CODE:
	677	RETVAL = ENCODE_XMLCREF;
	678	OUTPUT:
	679	RETVAL
	680
	681	int
85982a32	682	FB_DEFAULT()
	683	CODE:
	684	RETVAL = ENCODE_FB_DEFAULT;
	685	OUTPUT:
	686	RETVAL
	687
	688	int
	689	FB_CROAK()
	690	CODE:
	691	RETVAL = ENCODE_FB_CROAK;
	692	OUTPUT:
	693	RETVAL
	694
	695	int
	696	FB_QUIET()
	697	CODE:
	698	RETVAL = ENCODE_FB_QUIET;
	699	OUTPUT:
	700	RETVAL
	701
	702	int
	703	FB_WARN()
	704	CODE:
	705	RETVAL = ENCODE_FB_WARN;
	706	OUTPUT:
	707	RETVAL
	708
	709	int
	710	FB_PERLQQ()
	711	CODE:
	712	RETVAL = ENCODE_FB_PERLQQ;
	713	OUTPUT:
	714	RETVAL
2c674647	715
af1f55d9	716	int
	717	FB_HTMLCREF()
	718	CODE:
	719	RETVAL = ENCODE_FB_HTMLCREF;
	720	OUTPUT:
	721	RETVAL
	722
	723	int
	724	FB_XMLCREF()
	725	CODE:
	726	RETVAL = ENCODE_FB_XMLCREF;
	727	OUTPUT:
	728	RETVAL
	729
33af2bc7	730	BOOT:
33af2bc7	731	{
85982a32	732	#include "def_t.h"
e7cbefb8	733	#include "def_t.exh"
33af2bc7	734	}