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/*
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$Id: Encode.xs,v 2.43 2018/02/21 12:14:33 dankogai Exp dankogai $
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*/
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d0f5c2 |
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#define PERL_NO_GET_CONTEXT
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#include "EXTERN.h"
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#include "perl.h"
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#include "XSUB.h"
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#include "encode.h"
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#include "def_t.h"
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# define PERLIO_MODNAME "PerlIO::encoding"
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# define PERLIO_FILENAME "PerlIO/encoding.pm"
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/* set 1 or more to profile. t/encoding.t dumps core because of
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Perl_warner and PerlIO don't work well */
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#define ENCODE_XS_PROFILE 0
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/* set 0 to disable floating point to calculate buffer size for
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encode_method(). 1 is recommended. 2 restores NI-S original */
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#define ENCODE_XS_USEFP 1
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#define UNIMPLEMENTED(x,y) static y x (SV *sv, char *encoding) { \
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Perl_croak_nocontext("panic_unimplemented"); \
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PERL_UNUSED_VAR(sv); \
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PERL_UNUSED_VAR(encoding); \
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return (y)0; /* fool picky compilers */ \
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}
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/**/
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UNIMPLEMENTED(_encoded_utf8_to_bytes, I32)
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UNIMPLEMENTED(_encoded_bytes_to_utf8, I32)
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#ifndef SvIV_nomg
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#define SvIV_nomg SvIV
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#endif
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#ifndef UTF8_DISALLOW_ILLEGAL_INTERCHANGE
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# define UTF8_DISALLOW_ILLEGAL_INTERCHANGE 0
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# define UTF8_ALLOW_NON_STRICT (UTF8_ALLOW_FE_FF|UTF8_ALLOW_SURROGATE|UTF8_ALLOW_FFFF)
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#else
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# define UTF8_ALLOW_NON_STRICT 0
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#endif
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static void
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Encode_XSEncoding(pTHX_ encode_t * enc)
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{
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dSP;
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HV *stash = gv_stashpv("Encode::XS", TRUE);
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SV *iv = newSViv(PTR2IV(enc));
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SV *sv = sv_bless(newRV_noinc(iv),stash);
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int i = 0;
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/* with the SvLEN() == 0 hack, PVX won't be freed. We cast away name's
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constness, in the hope that perl won't mess with it. */
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assert(SvTYPE(iv) >= SVt_PV); assert(SvLEN(iv) == 0);
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SvFLAGS(iv) |= SVp_POK;
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SvPVX(iv) = (char*) enc->name[0];
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PUSHMARK(sp);
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XPUSHs(sv);
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while (enc->name[i]) {
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const char *name = enc->name[i++];
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XPUSHs(sv_2mortal(newSVpvn(name, strlen(name))));
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}
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PUTBACK;
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call_pv("Encode::define_encoding", G_DISCARD);
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SvREFCNT_dec(sv);
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}
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static void
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call_failure(SV * routine, U8 * done, U8 * dest, U8 * orig)
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{
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/* Exists for breakpointing */
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PERL_UNUSED_VAR(routine);
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PERL_UNUSED_VAR(done);
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PERL_UNUSED_VAR(dest);
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PERL_UNUSED_VAR(orig);
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}
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static void
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utf8_safe_downgrade(pTHX_ SV ** src, U8 ** s, STRLEN * slen, bool modify)
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{
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if (!modify) {
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SV *tmp = sv_2mortal(newSVpvn((char *)*s, *slen));
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SvUTF8_on(tmp);
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if (SvTAINTED(*src))
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SvTAINTED_on(tmp);
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*src = tmp;
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*s = (U8 *)SvPVX(*src);
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}
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if (*slen) {
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if (!utf8_to_bytes(*s, slen))
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croak("Wide character");
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SvCUR_set(*src, *slen);
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}
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SvUTF8_off(*src);
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d0f5c2 |
}
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static void
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utf8_safe_upgrade(pTHX_ SV ** src, U8 ** s, STRLEN * slen, bool modify)
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d0f5c2 |
{
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if (!modify) {
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SV *tmp = sv_2mortal(newSVpvn((char *)*s, *slen));
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d0f5c2 |
if (SvTAINTED(*src))
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d0f5c2 |
SvTAINTED_on(tmp);
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d0f5c2 |
*src = tmp;
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d0f5c2 |
}
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d0f5c2 |
sv_utf8_upgrade_nomg(*src);
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*s = (U8 *)SvPV_nomg(*src, *slen);
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d0f5c2 |
}
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d0f5c2 |
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#define ERR_ENCODE_NOMAP "\"\\x{%04" UVxf "}\" does not map to %s"
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#define ERR_DECODE_NOMAP "%s \"\\x%02" UVXf "\" does not map to Unicode"
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#define ERR_DECODE_STR_NOMAP "%s \"%s\" does not map to Unicode"
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static SV *
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do_fallback_cb(pTHX_ UV ch, SV *fallback_cb)
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d0f5c2 |
{
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d0f5c2 |
dSP;
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d0f5c2 |
int argc;
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d0f5c2 |
SV *retval;
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ENTER;
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d0f5c2 |
SAVETMPS;
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d0f5c2 |
PUSHMARK(sp);
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d0f5c2 |
XPUSHs(sv_2mortal(newSVuv(ch)));
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PUTBACK;
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argc = call_sv(fallback_cb, G_SCALAR);
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d0f5c2 |
SPAGAIN;
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d0f5c2 |
if (argc != 1){
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d0f5c2 |
croak("fallback sub must return scalar!");
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d0f5c2 |
}
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d0f5c2 |
retval = POPs;
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d0f5c2 |
SvREFCNT_inc(retval);
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d0f5c2 |
PUTBACK;
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d0f5c2 |
FREETMPS;
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d0f5c2 |
LEAVE;
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d0f5c2 |
return retval;
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d0f5c2 |
}
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d0f5c2 |
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d0f5c2 |
static SV *
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do_bytes_fallback_cb(pTHX_ U8 *s, STRLEN slen, SV *fallback_cb)
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d0f5c2 |
{
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d0f5c2 |
dSP;
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d0f5c2 |
int argc;
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d0f5c2 |
STRLEN i;
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d0f5c2 |
SV *retval;
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d0f5c2 |
ENTER;
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d0f5c2 |
SAVETMPS;
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d0f5c2 |
PUSHMARK(sp);
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d0f5c2 |
for (i=0; i
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d0f5c2 |
XPUSHs(sv_2mortal(newSVuv(s[i])));
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d0f5c2 |
PUTBACK;
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d0f5c2 |
argc = call_sv(fallback_cb, G_SCALAR);
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d0f5c2 |
SPAGAIN;
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d0f5c2 |
if (argc != 1){
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d0f5c2 |
croak("fallback sub must return scalar!");
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d0f5c2 |
}
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d0f5c2 |
retval = POPs;
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d0f5c2 |
SvREFCNT_inc(retval);
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d0f5c2 |
PUTBACK;
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d0f5c2 |
FREETMPS;
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d0f5c2 |
LEAVE;
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d0f5c2 |
return retval;
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d0f5c2 |
}
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d0f5c2 |
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d0f5c2 |
static SV *
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d0f5c2 |
encode_method(pTHX_ const encode_t * enc, const encpage_t * dir, SV * src, U8 * s, STRLEN slen,
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d0f5c2 |
int check, STRLEN * offset, SV * term, int * retcode,
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d0f5c2 |
SV *fallback_cb)
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d0f5c2 |
{
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d0f5c2 |
STRLEN tlen = slen;
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d0f5c2 |
STRLEN ddone = 0;
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d0f5c2 |
STRLEN sdone = 0;
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d0f5c2 |
/* We allocate slen+1.
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d0f5c2 |
PerlIO dumps core if this value is smaller than this. */
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d0f5c2 |
SV *dst = newSV(slen+1);
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d0f5c2 |
U8 *d = (U8 *)SvPVX(dst);
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d0f5c2 |
STRLEN dlen = SvLEN(dst)-1;
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d0f5c2 |
int code = 0;
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d0f5c2 |
STRLEN trmlen = 0;
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d0f5c2 |
U8 *trm = term ? (U8*) SvPV(term, trmlen) : NULL;
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d0f5c2 |
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d0f5c2 |
if (SvTAINTED(src)) SvTAINTED_on(dst); /* propagate taintedness */
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d0f5c2 |
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d0f5c2 |
if (offset) {
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d0f5c2 |
s += *offset;
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d0f5c2 |
if (slen > *offset){ /* safeguard against slen overflow */
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d0f5c2 |
slen -= *offset;
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d0f5c2 |
}else{
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d0f5c2 |
slen = 0;
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d0f5c2 |
}
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d0f5c2 |
tlen = slen;
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d0f5c2 |
}
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d0f5c2 |
|
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d0f5c2 |
if (slen == 0){
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d0f5c2 |
SvCUR_set(dst, 0);
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d0f5c2 |
SvPOK_only(dst);
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d0f5c2 |
goto ENCODE_END;
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d0f5c2 |
}
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d0f5c2 |
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Packit |
d0f5c2 |
while( (code = do_encode(dir, s, &slen, d, dlen, &dlen, !check,
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Packit |
d0f5c2 |
trm, trmlen)) )
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d0f5c2 |
{
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d0f5c2 |
SvCUR_set(dst, dlen+ddone);
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d0f5c2 |
SvPOK_only(dst);
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d0f5c2 |
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d0f5c2 |
if (code == ENCODE_FALLBACK || code == ENCODE_PARTIAL ||
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d0f5c2 |
code == ENCODE_FOUND_TERM) {
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d0f5c2 |
break;
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|
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d0f5c2 |
}
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d0f5c2 |
switch (code) {
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d0f5c2 |
case ENCODE_NOSPACE:
|
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d0f5c2 |
{
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d0f5c2 |
STRLEN more = 0; /* make sure you initialize! */
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d0f5c2 |
STRLEN sleft;
|
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d0f5c2 |
sdone += slen;
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d0f5c2 |
ddone += dlen;
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|
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d0f5c2 |
sleft = tlen - sdone;
|
|
Packit |
d0f5c2 |
#if ENCODE_XS_PROFILE >= 2
|
|
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d0f5c2 |
Perl_warn(aTHX_
|
|
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d0f5c2 |
"more=%d, sdone=%d, sleft=%d, SvLEN(dst)=%d\n",
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|
Packit |
d0f5c2 |
more, sdone, sleft, SvLEN(dst));
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|
Packit |
d0f5c2 |
#endif
|
|
Packit |
d0f5c2 |
if (sdone != 0) { /* has src ever been processed ? */
|
|
Packit |
d0f5c2 |
#if ENCODE_XS_USEFP == 2
|
|
Packit |
d0f5c2 |
more = (1.0*tlen*SvLEN(dst)+sdone-1)/sdone
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|
Packit |
d0f5c2 |
- SvLEN(dst);
|
|
Packit |
d0f5c2 |
#elif ENCODE_XS_USEFP
|
|
Packit |
d0f5c2 |
more = (STRLEN)((1.0*SvLEN(dst)+1)/sdone * sleft);
|
|
Packit |
d0f5c2 |
#else
|
|
Packit |
d0f5c2 |
/* safe until SvLEN(dst) == MAX_INT/16 */
|
|
Packit |
d0f5c2 |
more = (16*SvLEN(dst)+1)/sdone/16 * sleft;
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|
Packit |
d0f5c2 |
#endif
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
more += UTF8_MAXLEN; /* insurance policy */
|
|
Packit |
d0f5c2 |
d = (U8 *) SvGROW(dst, SvLEN(dst) + more);
|
|
Packit |
d0f5c2 |
/* dst need to grow need MORE bytes! */
|
|
Packit |
d0f5c2 |
if (ddone >= SvLEN(dst)) {
|
|
Packit |
d0f5c2 |
Perl_croak(aTHX_ "Destination couldn't be grown.");
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
dlen = SvLEN(dst)-ddone-1;
|
|
Packit |
d0f5c2 |
d += ddone;
|
|
Packit |
d0f5c2 |
s += slen;
|
|
Packit |
d0f5c2 |
slen = tlen-sdone;
|
|
Packit |
d0f5c2 |
continue;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
case ENCODE_NOREP:
|
|
Packit |
d0f5c2 |
/* encoding */
|
|
Packit |
d0f5c2 |
if (dir == enc->f_utf8) {
|
|
Packit |
d0f5c2 |
STRLEN clen;
|
|
Packit |
d0f5c2 |
UV ch =
|
|
Packit |
d0f5c2 |
utf8n_to_uvuni(s+slen, (tlen-sdone-slen),
|
|
Packit |
d0f5c2 |
&clen, UTF8_ALLOW_ANY|UTF8_CHECK_ONLY);
|
|
Packit |
d0f5c2 |
/* if non-representable multibyte prefix at end of current buffer - break*/
|
|
Packit |
d0f5c2 |
if (clen > tlen - sdone - slen) break;
|
|
Packit |
d0f5c2 |
if (check & ENCODE_DIE_ON_ERR) {
|
|
Packit |
d0f5c2 |
Perl_croak(aTHX_ ERR_ENCODE_NOMAP,
|
|
Packit |
d0f5c2 |
(UV)ch, enc->name[0]);
|
|
Packit |
d0f5c2 |
return &PL_sv_undef; /* never reaches but be safe */
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (check & ENCODE_WARN_ON_ERR){
|
|
Packit |
d0f5c2 |
Perl_warner(aTHX_ packWARN(WARN_UTF8),
|
|
Packit |
d0f5c2 |
ERR_ENCODE_NOMAP, (UV)ch, enc->name[0]);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (check & ENCODE_RETURN_ON_ERR){
|
|
Packit |
d0f5c2 |
goto ENCODE_SET_SRC;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (check & (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){
|
|
Packit |
d0f5c2 |
STRLEN sublen;
|
|
Packit |
d0f5c2 |
char *substr;
|
|
Packit |
d0f5c2 |
SV* subchar =
|
|
Packit |
d0f5c2 |
(fallback_cb != &PL_sv_undef)
|
|
Packit |
d0f5c2 |
? do_fallback_cb(aTHX_ ch, fallback_cb)
|
|
Packit |
d0f5c2 |
: newSVpvf(check & ENCODE_PERLQQ ? "\\x{%04" UVxf "}" :
|
|
Packit |
d0f5c2 |
check & ENCODE_HTMLCREF ? "&#%" UVuf ";" :
|
|
Packit |
d0f5c2 |
"&#x%" UVxf ";", (UV)ch);
|
|
Packit |
d0f5c2 |
substr = SvPV(subchar, sublen);
|
|
Packit |
d0f5c2 |
if (SvUTF8(subchar) && sublen && !utf8_to_bytes((U8 *)substr, &sublen)) { /* make sure no decoded string gets in */
|
|
Packit |
d0f5c2 |
SvREFCNT_dec(subchar);
|
|
Packit |
d0f5c2 |
croak("Wide character");
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
sdone += slen + clen;
|
|
Packit |
d0f5c2 |
ddone += dlen + sublen;
|
|
Packit |
d0f5c2 |
sv_catpvn(dst, substr, sublen);
|
|
Packit |
d0f5c2 |
SvREFCNT_dec(subchar);
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
/* fallback char */
|
|
Packit |
d0f5c2 |
sdone += slen + clen;
|
|
Packit |
d0f5c2 |
ddone += dlen + enc->replen;
|
|
Packit |
d0f5c2 |
sv_catpvn(dst, (char*)enc->rep, enc->replen);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
/* decoding */
|
|
Packit |
d0f5c2 |
else {
|
|
Packit |
d0f5c2 |
if (check & ENCODE_DIE_ON_ERR){
|
|
Packit |
d0f5c2 |
Perl_croak(aTHX_ ERR_DECODE_NOMAP,
|
|
Packit |
d0f5c2 |
enc->name[0], (UV)s[slen]);
|
|
Packit |
d0f5c2 |
return &PL_sv_undef; /* never reaches but be safe */
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (check & ENCODE_WARN_ON_ERR){
|
|
Packit |
d0f5c2 |
Perl_warner(
|
|
Packit |
d0f5c2 |
aTHX_ packWARN(WARN_UTF8),
|
|
Packit |
d0f5c2 |
ERR_DECODE_NOMAP,
|
|
Packit |
d0f5c2 |
enc->name[0], (UV)s[slen]);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (check & ENCODE_RETURN_ON_ERR){
|
|
Packit |
d0f5c2 |
goto ENCODE_SET_SRC;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (check &
|
|
Packit |
d0f5c2 |
(ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){
|
|
Packit |
d0f5c2 |
STRLEN sublen;
|
|
Packit |
d0f5c2 |
char *substr;
|
|
Packit |
d0f5c2 |
SV* subchar =
|
|
Packit |
d0f5c2 |
(fallback_cb != &PL_sv_undef)
|
|
Packit |
d0f5c2 |
? do_fallback_cb(aTHX_ (UV)s[slen], fallback_cb)
|
|
Packit |
d0f5c2 |
: newSVpvf("\\x%02" UVXf, (UV)s[slen]);
|
|
Packit |
d0f5c2 |
substr = SvPVutf8(subchar, sublen);
|
|
Packit |
d0f5c2 |
sdone += slen + 1;
|
|
Packit |
d0f5c2 |
ddone += dlen + sublen;
|
|
Packit |
d0f5c2 |
sv_catpvn(dst, substr, sublen);
|
|
Packit |
d0f5c2 |
SvREFCNT_dec(subchar);
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
sdone += slen + 1;
|
|
Packit |
d0f5c2 |
ddone += dlen + strlen(FBCHAR_UTF8);
|
|
Packit |
d0f5c2 |
sv_catpvn(dst, FBCHAR_UTF8, strlen(FBCHAR_UTF8));
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
/* settle variables when fallback */
|
|
Packit |
d0f5c2 |
d = (U8 *)SvEND(dst);
|
|
Packit |
d0f5c2 |
dlen = SvLEN(dst) - ddone - 1;
|
|
Packit |
d0f5c2 |
s = (U8*)SvPVX(src) + sdone;
|
|
Packit |
d0f5c2 |
slen = tlen - sdone;
|
|
Packit |
d0f5c2 |
break;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
default:
|
|
Packit |
d0f5c2 |
Perl_croak(aTHX_ "Unexpected code %d converting %s %s",
|
|
Packit |
d0f5c2 |
code, (dir == enc->f_utf8) ? "to" : "from",
|
|
Packit |
d0f5c2 |
enc->name[0]);
|
|
Packit |
d0f5c2 |
return &PL_sv_undef;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
} /* End of looping through the string */
|
|
Packit |
d0f5c2 |
ENCODE_SET_SRC:
|
|
Packit |
d0f5c2 |
if (check && !(check & ENCODE_LEAVE_SRC)){
|
|
Packit |
d0f5c2 |
sdone = SvCUR(src) - (slen+sdone);
|
|
Packit |
d0f5c2 |
if (sdone) {
|
|
Packit |
d0f5c2 |
sv_setpvn(src, (char*)s+slen, sdone);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
SvCUR_set(src, sdone);
|
|
Packit |
d0f5c2 |
SvSETMAGIC(src);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
/* warn("check = 0x%X, code = 0x%d\n", check, code); */
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
SvCUR_set(dst, dlen+ddone);
|
|
Packit |
d0f5c2 |
SvPOK_only(dst);
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
#if ENCODE_XS_PROFILE
|
|
Packit |
d0f5c2 |
if (SvCUR(dst) > SvCUR(src)){
|
|
Packit |
d0f5c2 |
Perl_warn(aTHX_
|
|
Packit |
d0f5c2 |
"SvLEN(dst)=%d, SvCUR(dst)=%d. %d bytes unused(%f %%)\n",
|
|
Packit |
d0f5c2 |
SvLEN(dst), SvCUR(dst), SvLEN(dst) - SvCUR(dst),
|
|
Packit |
d0f5c2 |
(SvLEN(dst) - SvCUR(dst))*1.0/SvLEN(dst)*100.0);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
#endif
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
if (offset)
|
|
Packit |
d0f5c2 |
*offset += sdone + slen;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
ENCODE_END:
|
|
Packit |
d0f5c2 |
*SvEND(dst) = '\0';
|
|
Packit |
d0f5c2 |
if (retcode) *retcode = code;
|
|
Packit |
d0f5c2 |
return dst;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
static bool
|
|
Packit |
d0f5c2 |
strict_utf8(pTHX_ SV* sv)
|
|
Packit |
d0f5c2 |
{
|
|
Packit |
d0f5c2 |
HV* hv;
|
|
Packit |
d0f5c2 |
SV** svp;
|
|
Packit |
d0f5c2 |
sv = SvRV(sv);
|
|
Packit |
d0f5c2 |
if (!sv || SvTYPE(sv) != SVt_PVHV)
|
|
Packit |
d0f5c2 |
return 0;
|
|
Packit |
d0f5c2 |
hv = (HV*)sv;
|
|
Packit |
d0f5c2 |
svp = hv_fetch(hv, "strict_utf8", 11, 0);
|
|
Packit |
d0f5c2 |
if (!svp)
|
|
Packit |
d0f5c2 |
return 0;
|
|
Packit |
d0f5c2 |
return SvTRUE(*svp);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* Modern perls have the capability to do this more efficiently and portably */
|
|
Packit |
d0f5c2 |
#ifdef utf8n_to_uvchr_msgs
|
|
Packit |
d0f5c2 |
# define CAN_USE_BASE_PERL
|
|
Packit |
d0f5c2 |
#endif
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
#ifndef CAN_USE_BASE_PERL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/*
|
|
Packit |
d0f5c2 |
* https://github.com/dankogai/p5-encode/pull/56#issuecomment-231959126
|
|
Packit |
d0f5c2 |
*/
|
|
Packit |
d0f5c2 |
#ifndef UNICODE_IS_NONCHAR
|
|
Packit |
d0f5c2 |
#define UNICODE_IS_NONCHAR(c) ((c >= 0xFDD0 && c <= 0xFDEF) || (c & 0xFFFE) == 0xFFFE)
|
|
Packit |
d0f5c2 |
#endif
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
#ifndef UNICODE_IS_SUPER
|
|
Packit |
d0f5c2 |
#define UNICODE_IS_SUPER(c) (c > PERL_UNICODE_MAX)
|
|
Packit |
d0f5c2 |
#endif
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
#define UNICODE_IS_STRICT(c) (!UNICODE_IS_SURROGATE(c) && !UNICODE_IS_NONCHAR(c) && !UNICODE_IS_SUPER(c))
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
#ifndef UTF_ACCUMULATION_OVERFLOW_MASK
|
|
Packit |
d0f5c2 |
#ifndef CHARBITS
|
|
Packit |
d0f5c2 |
#define CHARBITS CHAR_BIT
|
|
Packit |
d0f5c2 |
#endif
|
|
Packit |
d0f5c2 |
#define UTF_ACCUMULATION_OVERFLOW_MASK (((UV) UTF_CONTINUATION_MASK) << ((sizeof(UV) * CHARBITS) - UTF_ACCUMULATION_SHIFT))
|
|
Packit |
d0f5c2 |
#endif
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/*
|
|
Packit |
d0f5c2 |
* Convert non strict utf8 sequence of len >= 2 to unicode codepoint
|
|
Packit |
d0f5c2 |
*/
|
|
Packit |
d0f5c2 |
static UV
|
|
Packit |
d0f5c2 |
convert_utf8_multi_seq(U8* s, STRLEN len, STRLEN *rlen)
|
|
Packit |
d0f5c2 |
{
|
|
Packit |
d0f5c2 |
UV uv;
|
|
Packit |
d0f5c2 |
U8 *ptr = s;
|
|
Packit |
d0f5c2 |
bool overflowed = 0;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
uv = NATIVE_TO_UTF(*s) & UTF_START_MASK(UTF8SKIP(s));
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
len--;
|
|
Packit |
d0f5c2 |
s++;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
while (len--) {
|
|
Packit |
d0f5c2 |
if (!UTF8_IS_CONTINUATION(*s)) {
|
|
Packit |
d0f5c2 |
*rlen = s-ptr;
|
|
Packit |
d0f5c2 |
return 0;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (uv & UTF_ACCUMULATION_OVERFLOW_MASK)
|
|
Packit |
d0f5c2 |
overflowed = 1;
|
|
Packit |
d0f5c2 |
uv = UTF8_ACCUMULATE(uv, *s);
|
|
Packit |
d0f5c2 |
s++;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
*rlen = s-ptr;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
if (overflowed || *rlen > (STRLEN)UNISKIP(uv)) {
|
|
Packit |
d0f5c2 |
return 0;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
return uv;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
#endif /* CAN_USE_BASE_PERL */
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
static U8*
|
|
Packit |
d0f5c2 |
process_utf8(pTHX_ SV* dst, U8* s, U8* e, SV *check_sv,
|
|
Packit |
d0f5c2 |
bool encode, bool strict, bool stop_at_partial)
|
|
Packit |
d0f5c2 |
{
|
|
Packit |
d0f5c2 |
/* Copies the purportedly UTF-8 encoded string starting at 's' and ending
|
|
Packit |
d0f5c2 |
* at 'e' - 1 to 'dst', checking as it goes along that the string actually
|
|
Packit |
d0f5c2 |
* is valid UTF-8. There are two levels of strictness checking. If
|
|
Packit |
d0f5c2 |
* 'strict' is FALSE, the string is checked for being well-formed UTF-8, as
|
|
Packit |
d0f5c2 |
* extended by Perl. Additionally, if 'strict' is TRUE, above-Unicode code
|
|
Packit |
d0f5c2 |
* points, surrogates, and non-character code points are checked for. When
|
|
Packit |
d0f5c2 |
* invalid input is encountered, some action is taken, exactly what depends
|
|
Packit |
d0f5c2 |
* on the flags in 'check_sv'. 'encode' gives if this is from an encode
|
|
Packit |
d0f5c2 |
* operation (if TRUE), or a decode one. This function returns the
|
|
Packit |
d0f5c2 |
* position in 's' of the start of the next character beyond where it got
|
|
Packit |
d0f5c2 |
* to. If there were no problems, that will be 'e'. If 'stop_at_partial'
|
|
Packit |
d0f5c2 |
* is TRUE, if the final character before 'e' is incomplete, but valid as
|
|
Packit |
d0f5c2 |
* far as is available, no action will be taken on that partial character,
|
|
Packit |
d0f5c2 |
* and the return value will point to its first byte */
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
UV uv;
|
|
Packit |
d0f5c2 |
STRLEN ulen;
|
|
Packit |
d0f5c2 |
SV *fallback_cb;
|
|
Packit |
d0f5c2 |
int check;
|
|
Packit |
d0f5c2 |
U8 *d;
|
|
Packit |
d0f5c2 |
STRLEN dlen;
|
|
Packit |
d0f5c2 |
char esc[UTF8_MAXLEN * 6 + 1];
|
|
Packit |
d0f5c2 |
STRLEN i;
|
|
Packit |
d0f5c2 |
const U32 flags = (strict)
|
|
Packit |
d0f5c2 |
? UTF8_DISALLOW_ILLEGAL_INTERCHANGE
|
|
Packit |
d0f5c2 |
: UTF8_ALLOW_NON_STRICT;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
if (SvROK(check_sv)) {
|
|
Packit |
d0f5c2 |
/* croak("UTF-8 decoder doesn't support callback CHECK"); */
|
|
Packit |
d0f5c2 |
fallback_cb = check_sv;
|
|
Packit |
d0f5c2 |
check = ENCODE_PERLQQ|ENCODE_LEAVE_SRC; /* same as perlqq */
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
else {
|
|
Packit |
d0f5c2 |
fallback_cb = &PL_sv_undef;
|
|
Packit |
d0f5c2 |
check = SvIV_nomg(check_sv);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
SvPOK_only(dst);
|
|
Packit |
d0f5c2 |
SvCUR_set(dst,0);
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
dlen = (s && e && s < e) ? e-s+1 : 1;
|
|
Packit |
d0f5c2 |
d = (U8 *) SvGROW(dst, dlen);
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
stop_at_partial = stop_at_partial || (check & ENCODE_STOP_AT_PARTIAL);
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
while (s < e) {
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
#ifdef CAN_USE_BASE_PERL /* Use the much faster, portable implementation if
|
|
Packit |
d0f5c2 |
available */
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* If there were no errors, this will be 'e'; otherwise it will point
|
|
Packit |
d0f5c2 |
* to the first byte of the erroneous input */
|
|
Packit |
d0f5c2 |
const U8* e_or_where_failed;
|
|
Packit |
d0f5c2 |
bool valid = is_utf8_string_loc_flags(s, e - s, &e_or_where_failed, flags);
|
|
Packit |
d0f5c2 |
STRLEN len = e_or_where_failed - s;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* Copy as far as was successful */
|
|
Packit |
d0f5c2 |
Move(s, d, len, U8);
|
|
Packit |
d0f5c2 |
d += len;
|
|
Packit |
d0f5c2 |
s = (U8 *) e_or_where_failed;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* Are done if it was valid, or we are accepting partial characters and
|
|
Packit |
d0f5c2 |
* the only error is that the final bytes form a partial character */
|
|
Packit |
d0f5c2 |
if ( LIKELY(valid)
|
|
Packit |
d0f5c2 |
|| ( stop_at_partial
|
|
Packit |
d0f5c2 |
&& is_utf8_valid_partial_char_flags(s, e, flags)))
|
|
Packit |
d0f5c2 |
{
|
|
Packit |
d0f5c2 |
break;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* Here, was not valid. If is 'strict', and is legal extended UTF-8,
|
|
Packit |
d0f5c2 |
* we know it is a code point whose value we can calculate, just not
|
|
Packit |
d0f5c2 |
* one accepted under strict. Otherwise, it is malformed in some way.
|
|
Packit |
d0f5c2 |
* In either case, the system function can calculate either the code
|
|
Packit |
d0f5c2 |
* point, or the best substitution for it */
|
|
Packit |
d0f5c2 |
uv = utf8n_to_uvchr(s, e - s, &ulen, UTF8_ALLOW_ANY);
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
#else /* Use code for earlier perls */
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
((void)sizeof(flags)); /* Avoid compiler warning */
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
if (UTF8_IS_INVARIANT(*s)) {
|
|
Packit |
d0f5c2 |
*d++ = *s++;
|
|
Packit |
d0f5c2 |
continue;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
uv = 0;
|
|
Packit |
d0f5c2 |
ulen = 1;
|
|
Packit |
d0f5c2 |
if (! UTF8_IS_CONTINUATION(*s)) {
|
|
Packit |
d0f5c2 |
/* Not an invariant nor a continuation; must be a start byte. (We
|
|
Packit |
d0f5c2 |
* can't test for UTF8_IS_START as that excludes things like \xC0
|
|
Packit |
d0f5c2 |
* which are start bytes, but always lead to overlongs */
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
U8 skip = UTF8SKIP(s);
|
|
Packit |
d0f5c2 |
if ((s + skip) > e) {
|
|
Packit |
d0f5c2 |
/* just calculate ulen, in pathological cases can be smaller then e-s */
|
|
Packit |
d0f5c2 |
if (e-s >= 2)
|
|
Packit |
d0f5c2 |
convert_utf8_multi_seq(s, e-s, &ulen);
|
|
Packit |
d0f5c2 |
else
|
|
Packit |
d0f5c2 |
ulen = 1;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
if (stop_at_partial && ulen == (STRLEN)(e-s))
|
|
Packit |
d0f5c2 |
break;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
goto malformed_byte;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
uv = convert_utf8_multi_seq(s, skip, &ulen);
|
|
Packit |
d0f5c2 |
if (uv == 0)
|
|
Packit |
d0f5c2 |
goto malformed_byte;
|
|
Packit |
d0f5c2 |
else if (strict && !UNICODE_IS_STRICT(uv))
|
|
Packit |
d0f5c2 |
goto malformed;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* Whole char is good */
|
|
Packit |
d0f5c2 |
memcpy(d, s, skip);
|
|
Packit |
d0f5c2 |
d += skip;
|
|
Packit |
d0f5c2 |
s += skip;
|
|
Packit |
d0f5c2 |
continue;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* If we get here there is something wrong with alleged UTF-8 */
|
|
Packit |
d0f5c2 |
/* uv is used only when encoding */
|
|
Packit |
d0f5c2 |
malformed_byte:
|
|
Packit |
d0f5c2 |
if (uv == 0)
|
|
Packit |
d0f5c2 |
uv = (UV)*s;
|
|
Packit |
d0f5c2 |
if (encode || ulen == 0)
|
|
Packit |
d0f5c2 |
ulen = 1;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
malformed:
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
#endif /* The two versions for processing come back together here, for the
|
|
Packit |
d0f5c2 |
* error handling code.
|
|
Packit |
d0f5c2 |
*
|
|
Packit |
d0f5c2 |
* Here, we are looping through the input and found an error.
|
|
Packit |
d0f5c2 |
* 'uv' is the code point in error if calculable, or the REPLACEMENT
|
|
Packit |
d0f5c2 |
* CHARACTER if not.
|
|
Packit |
d0f5c2 |
* 'ulen' is how many bytes of input this iteration of the loop
|
|
Packit |
d0f5c2 |
* consumes */
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
if (!encode && (check & (ENCODE_DIE_ON_ERR|ENCODE_WARN_ON_ERR|ENCODE_PERLQQ)))
|
|
Packit |
d0f5c2 |
for (i=0; i
|
|
Packit |
d0f5c2 |
if (check & ENCODE_DIE_ON_ERR){
|
|
Packit |
d0f5c2 |
if (encode)
|
|
Packit |
d0f5c2 |
Perl_croak(aTHX_ ERR_ENCODE_NOMAP, uv, (strict ? "UTF-8" : "utf8"));
|
|
Packit |
d0f5c2 |
else
|
|
Packit |
d0f5c2 |
Perl_croak(aTHX_ ERR_DECODE_STR_NOMAP, (strict ? "UTF-8" : "utf8"), esc);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (check & ENCODE_WARN_ON_ERR){
|
|
Packit |
d0f5c2 |
if (encode)
|
|
Packit |
d0f5c2 |
Perl_warner(aTHX_ packWARN(WARN_UTF8),
|
|
Packit |
d0f5c2 |
ERR_ENCODE_NOMAP, uv, (strict ? "UTF-8" : "utf8"));
|
|
Packit |
d0f5c2 |
else
|
|
Packit |
d0f5c2 |
Perl_warner(aTHX_ packWARN(WARN_UTF8),
|
|
Packit |
d0f5c2 |
ERR_DECODE_STR_NOMAP, (strict ? "UTF-8" : "utf8"), esc);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (check & ENCODE_RETURN_ON_ERR) {
|
|
Packit |
d0f5c2 |
break;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (check & (ENCODE_PERLQQ|ENCODE_HTMLCREF|ENCODE_XMLCREF)){
|
|
Packit |
d0f5c2 |
STRLEN sublen;
|
|
Packit |
d0f5c2 |
char *substr;
|
|
Packit |
d0f5c2 |
SV* subchar;
|
|
Packit |
d0f5c2 |
if (encode) {
|
|
Packit |
d0f5c2 |
subchar =
|
|
Packit |
d0f5c2 |
(fallback_cb != &PL_sv_undef)
|
|
Packit |
d0f5c2 |
? do_fallback_cb(aTHX_ uv, fallback_cb)
|
|
Packit |
d0f5c2 |
: newSVpvf(check & ENCODE_PERLQQ
|
|
Packit |
d0f5c2 |
? (ulen == 1 ? "\\x%02" UVXf : "\\x{%04" UVXf "}")
|
|
Packit |
d0f5c2 |
: check & ENCODE_HTMLCREF ? "&#%" UVuf ";"
|
|
Packit |
d0f5c2 |
: "&#x%" UVxf ";", uv);
|
|
Packit |
d0f5c2 |
substr = SvPV(subchar, sublen);
|
|
Packit |
d0f5c2 |
if (SvUTF8(subchar) && sublen && !utf8_to_bytes((U8 *)substr, &sublen)) { /* make sure no decoded string gets in */
|
|
Packit |
d0f5c2 |
SvREFCNT_dec(subchar);
|
|
Packit |
d0f5c2 |
croak("Wide character");
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
if (fallback_cb != &PL_sv_undef) {
|
|
Packit |
d0f5c2 |
/* in decode mode we have sequence of wrong bytes */
|
|
Packit |
d0f5c2 |
subchar = do_bytes_fallback_cb(aTHX_ s, ulen, fallback_cb);
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
char *ptr = esc;
|
|
Packit |
d0f5c2 |
/* ENCODE_PERLQQ is already stored in esc */
|
|
Packit |
d0f5c2 |
if (check & (ENCODE_HTMLCREF|ENCODE_XMLCREF))
|
|
Packit |
d0f5c2 |
for (i=0; i
|
|
Packit |
d0f5c2 |
subchar = newSVpvn(esc, strlen(esc));
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
substr = SvPVutf8(subchar, sublen);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
dlen += sublen - ulen;
|
|
Packit |
d0f5c2 |
SvCUR_set(dst, d-(U8 *)SvPVX(dst));
|
|
Packit |
d0f5c2 |
*SvEND(dst) = '\0';
|
|
Packit |
d0f5c2 |
sv_catpvn(dst, substr, sublen);
|
|
Packit |
d0f5c2 |
SvREFCNT_dec(subchar);
|
|
Packit |
d0f5c2 |
d = (U8 *) SvGROW(dst, dlen) + SvCUR(dst);
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
STRLEN fbcharlen = strlen(FBCHAR_UTF8);
|
|
Packit |
d0f5c2 |
dlen += fbcharlen - ulen;
|
|
Packit |
d0f5c2 |
if (SvLEN(dst) < dlen) {
|
|
Packit |
d0f5c2 |
SvCUR_set(dst, d-(U8 *)SvPVX(dst));
|
|
Packit |
d0f5c2 |
d = (U8 *) sv_grow(dst, dlen) + SvCUR(dst);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
memcpy(d, FBCHAR_UTF8, fbcharlen);
|
|
Packit |
d0f5c2 |
d += fbcharlen;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
s += ulen;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
SvCUR_set(dst, d-(U8 *)SvPVX(dst));
|
|
Packit |
d0f5c2 |
*SvEND(dst) = '\0';
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
return s;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
MODULE = Encode PACKAGE = Encode::utf8 PREFIX = Method_
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
PROTOTYPES: DISABLE
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
void
|
|
Packit |
d0f5c2 |
Method_decode(obj,src,check_sv = &PL_sv_no)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
SV * src
|
|
Packit |
d0f5c2 |
SV * check_sv
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
STRLEN slen;
|
|
Packit |
d0f5c2 |
U8 *s;
|
|
Packit |
d0f5c2 |
U8 *e;
|
|
Packit |
d0f5c2 |
SV *dst;
|
|
Packit |
d0f5c2 |
bool renewed = 0;
|
|
Packit |
d0f5c2 |
int check;
|
|
Packit |
d0f5c2 |
bool modify;
|
|
Packit |
d0f5c2 |
dSP;
|
|
Packit |
d0f5c2 |
INIT:
|
|
Packit |
d0f5c2 |
SvGETMAGIC(src);
|
|
Packit |
d0f5c2 |
SvGETMAGIC(check_sv);
|
|
Packit |
d0f5c2 |
check = SvROK(check_sv) ? ENCODE_PERLQQ|ENCODE_LEAVE_SRC : SvIV_nomg(check_sv);
|
|
Packit |
d0f5c2 |
modify = (check && !(check & ENCODE_LEAVE_SRC));
|
|
Packit |
d0f5c2 |
PPCODE:
|
|
Packit |
d0f5c2 |
if (!SvOK(src))
|
|
Packit |
d0f5c2 |
XSRETURN_UNDEF;
|
|
Packit |
d0f5c2 |
s = modify ? (U8 *)SvPV_force_nomg(src, slen) : (U8 *)SvPV_nomg(src, slen);
|
|
Packit |
d0f5c2 |
if (SvUTF8(src))
|
|
Packit |
d0f5c2 |
utf8_safe_downgrade(aTHX_ &src, &s, &slen, modify);
|
|
Packit |
d0f5c2 |
e = s+slen;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/*
|
|
Packit |
d0f5c2 |
* PerlIO check -- we assume the object is of PerlIO if renewed
|
|
Packit |
d0f5c2 |
*/
|
|
Packit |
d0f5c2 |
ENTER; SAVETMPS;
|
|
Packit |
d0f5c2 |
PUSHMARK(sp);
|
|
Packit |
d0f5c2 |
XPUSHs(obj);
|
|
Packit |
d0f5c2 |
PUTBACK;
|
|
Packit |
d0f5c2 |
if (call_method("renewed",G_SCALAR) == 1) {
|
|
Packit |
d0f5c2 |
SPAGAIN;
|
|
Packit |
d0f5c2 |
renewed = (bool)POPi;
|
|
Packit |
d0f5c2 |
PUTBACK;
|
|
Packit |
d0f5c2 |
#if 0
|
|
Packit |
d0f5c2 |
fprintf(stderr, "renewed == %d\n", renewed);
|
|
Packit |
d0f5c2 |
#endif
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
FREETMPS; LEAVE;
|
|
Packit |
d0f5c2 |
/* end PerlIO check */
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
dst = sv_2mortal(newSV(slen>0?slen:1)); /* newSV() abhors 0 -- inaba */
|
|
Packit |
d0f5c2 |
s = process_utf8(aTHX_ dst, s, e, check_sv, 0, strict_utf8(aTHX_ obj), renewed);
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* Clear out translated part of source unless asked not to */
|
|
Packit |
d0f5c2 |
if (modify) {
|
|
Packit |
d0f5c2 |
slen = e-s;
|
|
Packit |
d0f5c2 |
if (slen) {
|
|
Packit |
d0f5c2 |
sv_setpvn(src, (char*)s, slen);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
SvCUR_set(src, slen);
|
|
Packit |
d0f5c2 |
SvSETMAGIC(src);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
SvUTF8_on(dst);
|
|
Packit |
d0f5c2 |
if (SvTAINTED(src)) SvTAINTED_on(dst); /* propagate taintedness */
|
|
Packit |
d0f5c2 |
ST(0) = dst;
|
|
Packit |
d0f5c2 |
XSRETURN(1);
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
void
|
|
Packit |
d0f5c2 |
Method_encode(obj,src,check_sv = &PL_sv_no)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
SV * src
|
|
Packit |
d0f5c2 |
SV * check_sv
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
STRLEN slen;
|
|
Packit |
d0f5c2 |
U8 *s;
|
|
Packit |
d0f5c2 |
U8 *e;
|
|
Packit |
d0f5c2 |
SV *dst;
|
|
Packit |
d0f5c2 |
int check;
|
|
Packit |
d0f5c2 |
bool modify;
|
|
Packit |
d0f5c2 |
INIT:
|
|
Packit |
d0f5c2 |
SvGETMAGIC(src);
|
|
Packit |
d0f5c2 |
SvGETMAGIC(check_sv);
|
|
Packit |
d0f5c2 |
check = SvROK(check_sv) ? ENCODE_PERLQQ|ENCODE_LEAVE_SRC : SvIV_nomg(check_sv);
|
|
Packit |
d0f5c2 |
modify = (check && !(check & ENCODE_LEAVE_SRC));
|
|
Packit |
d0f5c2 |
PPCODE:
|
|
Packit |
d0f5c2 |
if (!SvOK(src))
|
|
Packit |
d0f5c2 |
XSRETURN_UNDEF;
|
|
Packit |
d0f5c2 |
s = modify ? (U8 *)SvPV_force_nomg(src, slen) : (U8 *)SvPV_nomg(src, slen);
|
|
Packit |
d0f5c2 |
e = s+slen;
|
|
Packit |
d0f5c2 |
dst = sv_2mortal(newSV(slen>0?slen:1)); /* newSV() abhors 0 -- inaba */
|
|
Packit |
d0f5c2 |
if (SvUTF8(src)) {
|
|
Packit |
d0f5c2 |
/* Already encoded */
|
|
Packit |
d0f5c2 |
if (strict_utf8(aTHX_ obj)) {
|
|
Packit |
d0f5c2 |
s = process_utf8(aTHX_ dst, s, e, check_sv, 1, 1, 0);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
else {
|
|
Packit |
d0f5c2 |
/* trust it and just copy the octets */
|
|
Packit |
d0f5c2 |
sv_setpvn(dst,(char *)s,(e-s));
|
|
Packit |
d0f5c2 |
s = e;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
else {
|
|
Packit |
d0f5c2 |
/* Native bytes - can always encode */
|
|
Packit |
d0f5c2 |
U8 *d = (U8 *) SvGROW(dst, 2*slen+1); /* +1 or assertion will botch */
|
|
Packit |
d0f5c2 |
while (s < e) {
|
|
Packit |
d0f5c2 |
#ifdef append_utf8_from_native_byte
|
|
Packit |
d0f5c2 |
append_utf8_from_native_byte(*s, &d);
|
|
Packit |
d0f5c2 |
s++;
|
|
Packit |
d0f5c2 |
#else
|
|
Packit |
d0f5c2 |
UV uv = NATIVE_TO_UNI((UV) *s);
|
|
Packit |
d0f5c2 |
s++; /* Above expansion of NATIVE_TO_UNI() is safer this way. */
|
|
Packit |
d0f5c2 |
if (UNI_IS_INVARIANT(uv))
|
|
Packit |
d0f5c2 |
*d++ = (U8)UTF_TO_NATIVE(uv);
|
|
Packit |
d0f5c2 |
else {
|
|
Packit |
d0f5c2 |
*d++ = (U8)UTF8_EIGHT_BIT_HI(uv);
|
|
Packit |
d0f5c2 |
*d++ = (U8)UTF8_EIGHT_BIT_LO(uv);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
#endif
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
SvCUR_set(dst, d- (U8 *)SvPVX(dst));
|
|
Packit |
d0f5c2 |
*SvEND(dst) = '\0';
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* Clear out translated part of source unless asked not to */
|
|
Packit |
d0f5c2 |
if (modify) {
|
|
Packit |
d0f5c2 |
slen = e-s;
|
|
Packit |
d0f5c2 |
if (slen) {
|
|
Packit |
d0f5c2 |
sv_setpvn(src, (char*)s, slen);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
SvCUR_set(src, slen);
|
|
Packit |
d0f5c2 |
SvSETMAGIC(src);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
SvPOK_only(dst);
|
|
Packit |
d0f5c2 |
SvUTF8_off(dst);
|
|
Packit |
d0f5c2 |
if (SvTAINTED(src)) SvTAINTED_on(dst); /* propagate taintedness */
|
|
Packit |
d0f5c2 |
ST(0) = dst;
|
|
Packit |
d0f5c2 |
XSRETURN(1);
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
MODULE = Encode PACKAGE = Encode::XS PREFIX = Method_
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
PROTOTYPES: DISABLE
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
SV *
|
|
Packit |
d0f5c2 |
Method_renew(obj)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
PERL_UNUSED_VAR(obj);
|
|
Packit |
d0f5c2 |
RETVAL = newSVsv(obj);
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
int
|
|
Packit |
d0f5c2 |
Method_renewed(obj)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
RETVAL = 0;
|
|
Packit |
d0f5c2 |
PERL_UNUSED_VAR(obj);
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
SV *
|
|
Packit |
d0f5c2 |
Method_name(obj)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
encode_t *enc;
|
|
Packit |
d0f5c2 |
INIT:
|
|
Packit |
d0f5c2 |
enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
RETVAL = newSVpvn(enc->name[0], strlen(enc->name[0]));
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
bool
|
|
Packit |
d0f5c2 |
Method_cat_decode(obj, dst, src, off, term, check_sv = &PL_sv_no)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
SV * dst
|
|
Packit |
d0f5c2 |
SV * src
|
|
Packit |
d0f5c2 |
SV * off
|
|
Packit |
d0f5c2 |
SV * term
|
|
Packit |
d0f5c2 |
SV * check_sv
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
int check;
|
|
Packit |
d0f5c2 |
SV *fallback_cb;
|
|
Packit |
d0f5c2 |
bool modify;
|
|
Packit |
d0f5c2 |
encode_t *enc;
|
|
Packit |
d0f5c2 |
STRLEN offset;
|
|
Packit |
d0f5c2 |
int code = 0;
|
|
Packit |
d0f5c2 |
U8 *s;
|
|
Packit |
d0f5c2 |
STRLEN slen;
|
|
Packit |
d0f5c2 |
SV *tmp;
|
|
Packit |
d0f5c2 |
INIT:
|
|
Packit |
d0f5c2 |
SvGETMAGIC(src);
|
|
Packit |
d0f5c2 |
SvGETMAGIC(check_sv);
|
|
Packit |
d0f5c2 |
check = SvROK(check_sv) ? ENCODE_PERLQQ|ENCODE_LEAVE_SRC : SvIV_nomg(check_sv);
|
|
Packit |
d0f5c2 |
fallback_cb = SvROK(check_sv) ? check_sv : &PL_sv_undef;
|
|
Packit |
d0f5c2 |
modify = (check && !(check & ENCODE_LEAVE_SRC));
|
|
Packit |
d0f5c2 |
enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
|
|
Packit |
d0f5c2 |
offset = (STRLEN)SvIV(off);
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
if (!SvOK(src))
|
|
Packit |
d0f5c2 |
XSRETURN_NO;
|
|
Packit |
d0f5c2 |
s = modify ? (U8 *)SvPV_force_nomg(src, slen) : (U8 *)SvPV_nomg(src, slen);
|
|
Packit |
d0f5c2 |
if (SvUTF8(src))
|
|
Packit |
d0f5c2 |
utf8_safe_downgrade(aTHX_ &src, &s, &slen, modify);
|
|
Packit |
d0f5c2 |
tmp = encode_method(aTHX_ enc, enc->t_utf8, src, s, slen, check,
|
|
Packit |
d0f5c2 |
&offset, term, &code, fallback_cb);
|
|
Packit |
d0f5c2 |
sv_catsv(dst, tmp);
|
|
Packit |
d0f5c2 |
SvREFCNT_dec(tmp);
|
|
Packit |
d0f5c2 |
SvIV_set(off, (IV)offset);
|
|
Packit |
d0f5c2 |
RETVAL = (code == ENCODE_FOUND_TERM);
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
SV *
|
|
Packit |
d0f5c2 |
Method_decode(obj,src,check_sv = &PL_sv_no)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
SV * src
|
|
Packit |
d0f5c2 |
SV * check_sv
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
int check;
|
|
Packit |
d0f5c2 |
SV *fallback_cb;
|
|
Packit |
d0f5c2 |
bool modify;
|
|
Packit |
d0f5c2 |
encode_t *enc;
|
|
Packit |
d0f5c2 |
U8 *s;
|
|
Packit |
d0f5c2 |
STRLEN slen;
|
|
Packit |
d0f5c2 |
INIT:
|
|
Packit |
d0f5c2 |
SvGETMAGIC(src);
|
|
Packit |
d0f5c2 |
SvGETMAGIC(check_sv);
|
|
Packit |
d0f5c2 |
check = SvROK(check_sv) ? ENCODE_PERLQQ|ENCODE_LEAVE_SRC : SvIV_nomg(check_sv);
|
|
Packit |
d0f5c2 |
fallback_cb = SvROK(check_sv) ? check_sv : &PL_sv_undef;
|
|
Packit |
d0f5c2 |
modify = (check && !(check & ENCODE_LEAVE_SRC));
|
|
Packit |
d0f5c2 |
enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
if (!SvOK(src))
|
|
Packit |
d0f5c2 |
XSRETURN_UNDEF;
|
|
Packit |
d0f5c2 |
s = modify ? (U8 *)SvPV_force_nomg(src, slen) : (U8 *)SvPV_nomg(src, slen);
|
|
Packit |
d0f5c2 |
if (SvUTF8(src))
|
|
Packit |
d0f5c2 |
utf8_safe_downgrade(aTHX_ &src, &s, &slen, modify);
|
|
Packit |
d0f5c2 |
RETVAL = encode_method(aTHX_ enc, enc->t_utf8, src, s, slen, check,
|
|
Packit |
d0f5c2 |
NULL, Nullsv, NULL, fallback_cb);
|
|
Packit |
d0f5c2 |
SvUTF8_on(RETVAL);
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
SV *
|
|
Packit |
d0f5c2 |
Method_encode(obj,src,check_sv = &PL_sv_no)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
SV * src
|
|
Packit |
d0f5c2 |
SV * check_sv
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
int check;
|
|
Packit |
d0f5c2 |
SV *fallback_cb;
|
|
Packit |
d0f5c2 |
bool modify;
|
|
Packit |
d0f5c2 |
encode_t *enc;
|
|
Packit |
d0f5c2 |
U8 *s;
|
|
Packit |
d0f5c2 |
STRLEN slen;
|
|
Packit |
d0f5c2 |
INIT:
|
|
Packit |
d0f5c2 |
SvGETMAGIC(src);
|
|
Packit |
d0f5c2 |
SvGETMAGIC(check_sv);
|
|
Packit |
d0f5c2 |
check = SvROK(check_sv) ? ENCODE_PERLQQ|ENCODE_LEAVE_SRC : SvIV_nomg(check_sv);
|
|
Packit |
d0f5c2 |
fallback_cb = SvROK(check_sv) ? check_sv : &PL_sv_undef;
|
|
Packit |
d0f5c2 |
modify = (check && !(check & ENCODE_LEAVE_SRC));
|
|
Packit |
d0f5c2 |
enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
if (!SvOK(src))
|
|
Packit |
d0f5c2 |
XSRETURN_UNDEF;
|
|
Packit |
d0f5c2 |
s = modify ? (U8 *)SvPV_force_nomg(src, slen) : (U8 *)SvPV_nomg(src, slen);
|
|
Packit |
d0f5c2 |
if (!SvUTF8(src))
|
|
Packit |
d0f5c2 |
utf8_safe_upgrade(aTHX_ &src, &s, &slen, modify);
|
|
Packit |
d0f5c2 |
RETVAL = encode_method(aTHX_ enc, enc->f_utf8, src, s, slen, check,
|
|
Packit |
d0f5c2 |
NULL, Nullsv, NULL, fallback_cb);
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
bool
|
|
Packit |
d0f5c2 |
Method_needs_lines(obj)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
PERL_UNUSED_VAR(obj);
|
|
Packit |
d0f5c2 |
RETVAL = FALSE;
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
bool
|
|
Packit |
d0f5c2 |
Method_perlio_ok(obj)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
SV *sv;
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
PERL_UNUSED_VAR(obj);
|
|
Packit |
d0f5c2 |
sv = eval_pv("require PerlIO::encoding", 0);
|
|
Packit |
d0f5c2 |
RETVAL = SvTRUE(sv);
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
SV *
|
|
Packit |
d0f5c2 |
Method_mime_name(obj)
|
|
Packit |
d0f5c2 |
SV * obj
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
encode_t *enc;
|
|
Packit |
d0f5c2 |
INIT:
|
|
Packit |
d0f5c2 |
enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
ENTER;
|
|
Packit |
d0f5c2 |
SAVETMPS;
|
|
Packit |
d0f5c2 |
PUSHMARK(sp);
|
|
Packit |
d0f5c2 |
XPUSHs(sv_2mortal(newSVpvn(enc->name[0], strlen(enc->name[0]))));
|
|
Packit |
d0f5c2 |
PUTBACK;
|
|
Packit |
d0f5c2 |
call_pv("Encode::MIME::Name::get_mime_name", G_SCALAR);
|
|
Packit |
d0f5c2 |
SPAGAIN;
|
|
Packit |
d0f5c2 |
RETVAL = newSVsv(POPs);
|
|
Packit |
d0f5c2 |
PUTBACK;
|
|
Packit |
d0f5c2 |
FREETMPS;
|
|
Packit |
d0f5c2 |
LEAVE;
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
MODULE = Encode PACKAGE = Encode
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
PROTOTYPES: ENABLE
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
I32
|
|
Packit |
d0f5c2 |
_bytes_to_utf8(sv, ...)
|
|
Packit |
d0f5c2 |
SV * sv
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
SV * encoding;
|
|
Packit |
d0f5c2 |
INIT:
|
|
Packit |
d0f5c2 |
encoding = items == 2 ? ST(1) : Nullsv;
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
if (encoding)
|
|
Packit |
d0f5c2 |
RETVAL = _encoded_bytes_to_utf8(sv, SvPV_nolen(encoding));
|
|
Packit |
d0f5c2 |
else {
|
|
Packit |
d0f5c2 |
STRLEN len;
|
|
Packit |
d0f5c2 |
U8* s = (U8*)SvPV(sv, len);
|
|
Packit |
d0f5c2 |
U8* converted;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
converted = bytes_to_utf8(s, &len;; /* This allocs */
|
|
Packit |
d0f5c2 |
sv_setpvn(sv, (char *)converted, len);
|
|
Packit |
d0f5c2 |
SvUTF8_on(sv); /* XXX Should we? */
|
|
Packit |
d0f5c2 |
Safefree(converted); /* ... so free it */
|
|
Packit |
d0f5c2 |
RETVAL = len;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
I32
|
|
Packit |
d0f5c2 |
_utf8_to_bytes(sv, ...)
|
|
Packit |
d0f5c2 |
SV * sv
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
SV * to;
|
|
Packit |
d0f5c2 |
SV * check;
|
|
Packit |
d0f5c2 |
INIT:
|
|
Packit |
d0f5c2 |
to = items > 1 ? ST(1) : Nullsv;
|
|
Packit |
d0f5c2 |
check = items > 2 ? ST(2) : Nullsv;
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
if (to) {
|
|
Packit |
d0f5c2 |
RETVAL = _encoded_utf8_to_bytes(sv, SvPV_nolen(to));
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
STRLEN len;
|
|
Packit |
d0f5c2 |
U8 *s = (U8*)SvPV(sv, len);
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
RETVAL = 0;
|
|
Packit |
d0f5c2 |
if (SvTRUE(check)) {
|
|
Packit |
d0f5c2 |
/* Must do things the slow way */
|
|
Packit |
d0f5c2 |
U8 *dest;
|
|
Packit |
d0f5c2 |
/* We need a copy to pass to check() */
|
|
Packit |
d0f5c2 |
U8 *src = s;
|
|
Packit |
d0f5c2 |
U8 *send = s + len;
|
|
Packit |
d0f5c2 |
U8 *d0;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
New(83, dest, len, U8); /* I think */
|
|
Packit |
d0f5c2 |
d0 = dest;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
while (s < send) {
|
|
Packit |
d0f5c2 |
if (*s < 0x80){
|
|
Packit |
d0f5c2 |
*dest++ = *s++;
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
STRLEN ulen;
|
|
Packit |
d0f5c2 |
UV uv = *s++;
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* Have to do it all ourselves because of error routine,
|
|
Packit |
d0f5c2 |
aargh. */
|
|
Packit |
d0f5c2 |
if (!(uv & 0x40)){ goto failure; }
|
|
Packit |
d0f5c2 |
if (!(uv & 0x20)) { ulen = 2; uv &= 0x1f; }
|
|
Packit |
d0f5c2 |
else if (!(uv & 0x10)) { ulen = 3; uv &= 0x0f; }
|
|
Packit |
d0f5c2 |
else if (!(uv & 0x08)) { ulen = 4; uv &= 0x07; }
|
|
Packit |
d0f5c2 |
else if (!(uv & 0x04)) { ulen = 5; uv &= 0x03; }
|
|
Packit |
d0f5c2 |
else if (!(uv & 0x02)) { ulen = 6; uv &= 0x01; }
|
|
Packit |
d0f5c2 |
else if (!(uv & 0x01)) { ulen = 7; uv = 0; }
|
|
Packit |
d0f5c2 |
else { ulen = 13; uv = 0; }
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
/* Note change to utf8.c variable naming, for variety */
|
|
Packit |
d0f5c2 |
while (ulen--) {
|
|
Packit |
d0f5c2 |
if ((*s & 0xc0) != 0x80){
|
|
Packit |
d0f5c2 |
goto failure;
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
uv = (uv << 6) | (*s++ & 0x3f);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
if (uv > 256) {
|
|
Packit |
d0f5c2 |
failure:
|
|
Packit |
d0f5c2 |
call_failure(check, s, dest, src);
|
|
Packit |
d0f5c2 |
/* Now what happens? */
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
*dest++ = (U8)uv;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
RETVAL = dest - d0;
|
|
Packit |
d0f5c2 |
sv_usepvn(sv, (char *)dest, RETVAL);
|
|
Packit |
d0f5c2 |
SvUTF8_off(sv);
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
RETVAL = (utf8_to_bytes(s, &len) ? len : 0);
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
bool
|
|
Packit |
d0f5c2 |
is_utf8(sv, check = 0)
|
|
Packit |
d0f5c2 |
SV * sv
|
|
Packit |
d0f5c2 |
int check
|
|
Packit |
d0f5c2 |
PREINIT:
|
|
Packit |
d0f5c2 |
char *str;
|
|
Packit |
d0f5c2 |
STRLEN len;
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
SvGETMAGIC(sv); /* SvGETMAGIC() can modify SvOK flag */
|
|
Packit |
d0f5c2 |
str = SvOK(sv) ? SvPV_nomg(sv, len) : NULL; /* SvPV() can modify SvUTF8 flag */
|
|
Packit |
d0f5c2 |
RETVAL = SvUTF8(sv) ? TRUE : FALSE;
|
|
Packit |
d0f5c2 |
if (RETVAL && check && (!str || !is_utf8_string((U8 *)str, len)))
|
|
Packit |
d0f5c2 |
RETVAL = FALSE;
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
SV *
|
|
Packit |
d0f5c2 |
_utf8_on(sv)
|
|
Packit |
d0f5c2 |
SV * sv
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
SvGETMAGIC(sv);
|
|
Packit |
d0f5c2 |
if (!SvTAINTED(sv) && SvPOKp(sv)) {
|
|
Packit |
d0f5c2 |
if (SvTHINKFIRST(sv)) sv_force_normal(sv);
|
|
Packit |
d0f5c2 |
RETVAL = boolSV(SvUTF8(sv));
|
|
Packit |
d0f5c2 |
SvUTF8_on(sv);
|
|
Packit |
d0f5c2 |
SvSETMAGIC(sv);
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
RETVAL = &PL_sv_undef;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
SV *
|
|
Packit |
d0f5c2 |
_utf8_off(sv)
|
|
Packit |
d0f5c2 |
SV * sv
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
SvGETMAGIC(sv);
|
|
Packit |
d0f5c2 |
if (!SvTAINTED(sv) && SvPOKp(sv)) {
|
|
Packit |
d0f5c2 |
if (SvTHINKFIRST(sv)) sv_force_normal(sv);
|
|
Packit |
d0f5c2 |
RETVAL = boolSV(SvUTF8(sv));
|
|
Packit |
d0f5c2 |
SvUTF8_off(sv);
|
|
Packit |
d0f5c2 |
SvSETMAGIC(sv);
|
|
Packit |
d0f5c2 |
} else {
|
|
Packit |
d0f5c2 |
RETVAL = &PL_sv_undef;
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
OUTPUT:
|
|
Packit |
d0f5c2 |
RETVAL
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
void
|
|
Packit |
d0f5c2 |
onBOOT()
|
|
Packit |
d0f5c2 |
CODE:
|
|
Packit |
d0f5c2 |
{
|
|
Packit |
d0f5c2 |
#include "def_t.exh"
|
|
Packit |
d0f5c2 |
}
|
|
Packit |
d0f5c2 |
|
|
Packit |
d0f5c2 |
BOOT:
|
|
Packit |
d0f5c2 |
{
|
|
Packit |
d0f5c2 |
HV *stash = gv_stashpvn("Encode", strlen("Encode"), GV_ADD);
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "DIE_ON_ERR", newSViv(ENCODE_DIE_ON_ERR));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "WARN_ON_ERR", newSViv(ENCODE_WARN_ON_ERR));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "RETURN_ON_ERR", newSViv(ENCODE_RETURN_ON_ERR));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "LEAVE_SRC", newSViv(ENCODE_LEAVE_SRC));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "PERLQQ", newSViv(ENCODE_PERLQQ));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "HTMLCREF", newSViv(ENCODE_HTMLCREF));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "XMLCREF", newSViv(ENCODE_XMLCREF));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "STOP_AT_PARTIAL", newSViv(ENCODE_STOP_AT_PARTIAL));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "FB_DEFAULT", newSViv(ENCODE_FB_DEFAULT));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "FB_CROAK", newSViv(ENCODE_FB_CROAK));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "FB_QUIET", newSViv(ENCODE_FB_QUIET));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "FB_WARN", newSViv(ENCODE_FB_WARN));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "FB_PERLQQ", newSViv(ENCODE_FB_PERLQQ));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "FB_HTMLCREF", newSViv(ENCODE_FB_HTMLCREF));
|
|
Packit |
d0f5c2 |
newCONSTSUB(stash, "FB_XMLCREF", newSViv(ENCODE_FB_XMLCREF));
|
|
Packit |
d0f5c2 |
}
|