/*
- $Id: Encode.xs,v 1.33 2002/04/22 03:43:05 dankogai Exp $
+ $Id: Encode.xs,v 1.52 2002/11/18 17:28:49 dankogai Exp $
*/
#define PERL_NO_GET_CONTEXT
#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
+#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 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);
+
+UNIMPLEMENTED(_encoded_utf8_to_bytes, I32)
+UNIMPLEMENTED(_encoded_bytes_to_utf8, I32)
void
Encode_XSEncoding(pTHX_ encode_t * enc)
}
+#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)
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)) )
{
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;
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;
continue;
}
case ENCODE_NOREP:
- /* encoding */
- if (dir == enc->f_utf8) {
+ /* encoding */
+ if (dir == enc->f_utf8) {
STRLEN clen;
UV ch =
- utf8n_to_uvuni(s+slen, (SvCUR(src)-slen),
+ utf8n_to_uvuni(s+slen, (SvCUR(src)-slen),
&clen, UTF8_ALLOW_ANY|UTF8_CHECK_ONLY);
if (check & ENCODE_DIE_ON_ERR) {
- Perl_croak(
- aTHX_ "\"\\N{U+%" UVxf "}\" does not map to %s, %d",
- ch, enc->name[0], __LINE__);
- }else{
- if (check & ENCODE_RETURN_ON_ERR){
- if (check & ENCODE_WARN_ON_ERR){
- Perl_warner(
- aTHX_ packWARN(WARN_UTF8),
- "\"\\N{U+%" UVxf "}\" does not map to %s",
- ch,enc->name[0]);
- }
- goto ENCODE_SET_SRC;
- }else if (check & ENCODE_PERLQQ){
- SV* perlqq =
- sv_2mortal(newSVpvf("\\x{%04x}", ch));
- sdone += slen + clen;
- ddone += dlen + SvCUR(perlqq);
- sv_catsv(dst, perlqq);
- } else {
- /* fallback char */
- sdone += slen + clen;
- ddone += dlen + enc->replen;
- sv_catpvn(dst, (char*)enc->rep, enc->replen);
- }
- }
+ 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 {
+ else {
if (check & ENCODE_DIE_ON_ERR){
- Perl_croak(
- aTHX_ "%s \"\\x%02X\" does not map to Unicode (%d)",
- enc->name[0], (U8) s[slen], code);
- }else{
- if (check & ENCODE_RETURN_ON_ERR){
- if (check & ENCODE_WARN_ON_ERR){
- Perl_warner(
- aTHX_ packWARN(WARN_UTF8),
- "%s \"\\x%02X\" does not map to Unicode (%d)",
- enc->name[0], (U8) s[slen], code);
- }
- goto ENCODE_SET_SRC;
- }else if (check & ENCODE_PERLQQ){
- SV* perlqq =
- sv_2mortal(newSVpvf("\\x%02X", 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);
- }
+ 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;
+ dlen = SvLEN(dst) - ddone - 1;
+ s = (U8*)SvPVX(src) + sdone;
slen = tlen - sdone;
break;
SvCUR_set(src, sdone);
}
/* warn("check = 0x%X, code = 0x%d\n", check, code); */
- if (code && !(check & ENCODE_RETURN_ON_ERR)) {
- return &PL_sv_undef;
- }
-
+
SvCUR_set(dst, dlen+ddone);
SvPOK_only(dst);
-
+
#if ENCODE_XS_PROFILE
if (SvCUR(dst) > SvCUR(src)){
Perl_warn(aTHX_
(SvLEN(dst) - SvCUR(dst))*1.0/SvLEN(dst)*100.0);
}
#endif
-
+
ENCODE_END:
*SvEND(dst) = '\0';
return dst;
}
-MODULE = Encode PACKAGE = Encode::XS PREFIX = Method_
+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
+SV * obj
CODE:
{
encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
void
Method_decode(obj,src,check = 0)
-SV * obj
-SV * src
-int check
+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);
SvUTF8_on(ST(0));
XSRETURN(1);
void
Method_encode(obj,src,check = 0)
-SV * obj
-SV * src
-int check
+SV * obj
+SV * src
+int check
CODE:
{
encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
void
Method_needs_lines(obj)
-SV * obj
+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);
}
void
Method_perlio_ok(obj)
-SV * obj
+SV * obj
CODE:
{
- encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
- if (hv_exists(get_hv("INC", 0),
- PERLIO_FILENAME, strlen(PERLIO_FILENAME)))
- {
- ST(0) = &PL_sv_yes;
- }else{
+ /* 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);
}
CODE:
{
SV * encoding = items == 2 ? ST(1) : Nullsv;
-
+
if (encoding)
RETVAL = _encoded_bytes_to_utf8(sv, SvPV_nolen(encoding));
else {
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);
+ /* 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){
+ if (*s < 0x80){
*dest++ = *s++;
- } else {
+ } else {
STRLEN ulen;
UV uv = *s++;
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;
+ if ((*s & 0xc0) != 0x80){
+ goto failure;
} else {
uv = (uv << 6) | (*s++ & 0x3f);
}
bool
is_utf8(sv, check = 0)
-SV * sv
-int check
+SV * sv
+int check
CODE:
{
if (SvGMAGICAL(sv)) /* it could be $1, for example */
SV *
_utf8_on(sv)
-SV * sv
+SV * sv
CODE:
{
if (SvPOK(sv)) {
SV *
_utf8_off(sv)
-SV * sv
+SV * sv
CODE:
{
if (SvPOK(sv)) {
OUTPUT:
RETVAL
-PROTOTYPES: DISABLE
-
-
int
DIE_ON_ERR()
CODE:
OUTPUT:
RETVAL
-int
+int
WARN_ON_ERR()
CODE:
RETVAL = ENCODE_WARN_ON_ERR;
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_HTMLCREF()
+CODE:
+ RETVAL = ENCODE_FB_HTMLCREF;
+OUTPUT:
+ RETVAL
+
+int
+FB_XMLCREF()
+CODE:
+ RETVAL = ENCODE_FB_XMLCREF;
+OUTPUT:
+ RETVAL
+
BOOT:
{
#include "def_t.h"
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