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|
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#define RETCOPY(sv) \
if (GIMME_V != G_VOID) \
{ \
dXSTARG; \
sv_setsv (TARG, (sv)); \
EXTEND (SP, 1); \
PUSHs (TARG); \
}
static void
extend (SV *scalar, STRLEN addlen)
{
SvUPGRADE (scalar, SVt_PV);
STRLEN cur = SvCUR (scalar);
STRLEN len = SvLEN (scalar);
if (cur + addlen < len)
return;
STRLEN l = len;
STRLEN o = cur + addlen >= 4096 ? sizeof (void *) * 4 : 0;
if (l < 64)
l = 64;
/* for big sizes, leave a bit of space for malloc management, and assume 4kb or smaller pages */
addlen += o;
while (cur + addlen >= l)
l <<= 1;
sv_grow (scalar, l - o);
}
MODULE = Convert::Scalar PACKAGE = Convert::Scalar
TYPEMAP: <<EOF
SSize_t T_UV
EOF
PROTOTYPES: ENABLE
bool
utf8 (SV *scalar, SV *mode = NO_INIT)
CODE:
SvGETMAGIC (scalar);
RETVAL = !!SvUTF8 (scalar);
if (items > 1)
{
if (SvREADONLY (scalar))
croak ("Convert::Scalar::utf8 called on read only scalar");
if (SvTRUE (mode))
SvUTF8_on (scalar);
else
SvUTF8_off (scalar);
}
OUTPUT:
RETVAL
void
utf8_on (SV *scalar)
PPCODE:
if (SvREADONLY (scalar))
croak ("Convert::Scalar::utf8_on called on read only scalar");
SvGETMAGIC (scalar);
SvUTF8_on (scalar);
RETCOPY (scalar);
void
utf8_off (SV *scalar)
PPCODE:
if (SvREADONLY (scalar))
croak ("Convert::Scalar::utf8_off called on read only scalar");
SvGETMAGIC (scalar);
SvUTF8_off (scalar);
RETCOPY (scalar);
int
utf8_valid (SV *scalar)
CODE:
STRLEN len;
char *str = SvPV (scalar, len);
RETVAL = !!is_utf8_string (str, len);
OUTPUT:
RETVAL
void
utf8_upgrade (SV *scalar)
PPCODE:
if (SvREADONLY (scalar))
croak ("Convert::Scalar::utf8_upgrade called on read only scalar");
sv_utf8_upgrade(scalar);
RETCOPY (scalar);
bool
utf8_downgrade (SV *scalar, bool fail_ok = 0)
CODE:
if (SvREADONLY (scalar))
croak ("Convert::Scalar::utf8_downgrade called on read only scalar");
RETVAL = !!sv_utf8_downgrade (scalar, fail_ok);
OUTPUT:
RETVAL
void
utf8_encode (SV *scalar)
PPCODE:
if (SvREADONLY (scalar))
croak ("Convert::Scalar::utf8_encode called on read only scalar");
sv_utf8_encode (scalar);
RETCOPY (scalar);
UV
utf8_length (SV *scalar)
CODE:
RETVAL = (UV) utf8_length (SvPV_nolen (scalar), SvEND (scalar));
OUTPUT:
RETVAL
bool
readonly (SV *scalar, SV *on = NO_INIT)
CODE:
RETVAL = SvREADONLY (scalar);
if (items > 1)
{
if (SvTRUE (on))
SvREADONLY_on (scalar);
else
SvREADONLY_off (scalar);
}
OUTPUT:
RETVAL
void
readonly_on (SV *scalar)
CODE:
SvREADONLY_on (scalar);
void
readonly_off (SV *scalar)
CODE:
SvREADONLY_off (scalar);
void
unmagic (SV *scalar, char type)
CODE:
sv_unmagic (scalar, type);
void
weaken (SV *scalar)
CODE:
sv_rvweaken (scalar);
void
taint (SV *scalar)
CODE:
SvTAINTED_on (scalar);
bool
tainted (SV *scalar)
CODE:
RETVAL = !!SvTAINTED (scalar);
OUTPUT:
RETVAL
void
untaint (SV *scalar)
CODE:
SvTAINTED_off (scalar);
STRLEN
len (SV *scalar)
CODE:
if (SvTYPE (scalar) < SVt_PV)
XSRETURN_UNDEF;
RETVAL = SvLEN (scalar);
OUTPUT:
RETVAL
void
grow (SV *scalar, STRLEN newlen)
PPCODE:
sv_grow (scalar, newlen);
if (GIMME_V != G_VOID)
XPUSHs (sv_2mortal (SvREFCNT_inc (scalar)));
void
extend (SV *scalar, STRLEN addlen = 64)
PPCODE:
{
extend (scalar, addlen);
if (GIMME_V != G_VOID)
XPUSHs (sv_2mortal (SvREFCNT_inc (scalar)));
}
SSize_t
extend_read (PerlIO *fh, SV *scalar, STRLEN addlen = 64)
CODE:
{
if (SvUTF8 (scalar))
sv_utf8_downgrade (scalar, 0);
extend (scalar, addlen);
RETVAL = PerlLIO_read (PerlIO_fileno (fh), SvEND (scalar), SvLEN (scalar) - SvCUR (scalar));
if (RETVAL < 0)
XSRETURN_UNDEF;
SvPOK_only (scalar);
SvCUR_set (scalar, SvCUR (scalar) + RETVAL);
}
OUTPUT: RETVAL
SSize_t
read_all (PerlIO *fh, SV *scalar, STRLEN count)
CODE:
{
SvUPGRADE (scalar, SVt_PV);
if (SvUTF8 (scalar))
sv_utf8_downgrade (scalar, 0);
SvPOK_only (scalar);
int fd = PerlIO_fileno (fh);
RETVAL = 0;
SvGROW (scalar, count);
for (;;)
{
STRLEN rem = count - RETVAL;
if (!rem)
break;
STRLEN got = PerlLIO_read (fd, SvPVX (scalar) + RETVAL, rem);
if (got == 0)
break;
else if (got < 0)
if (RETVAL)
break;
else
XSRETURN_UNDEF;
RETVAL += got;
}
SvCUR_set (scalar, RETVAL);
}
OUTPUT: RETVAL
SSize_t
write_all (PerlIO *fh, SV *scalar)
CODE:
{
STRLEN count;
char *ptr = SvPVbyte (scalar, count);
int fd = PerlIO_fileno (fh);
RETVAL = 0;
for (;;)
{
STRLEN rem = count - RETVAL;
if (!rem)
break;
STRLEN got = PerlLIO_write (fd, ptr + RETVAL, rem);
if (got < 0)
if (RETVAL)
break;
else
XSRETURN_UNDEF;
RETVAL += got;
}
}
OUTPUT: RETVAL
int
refcnt (SV *scalar, U32 newrefcnt = NO_INIT)
ALIAS:
refcnt_rv = 1
CODE:
if (ix)
{
if (!SvROK (scalar)) croak ("refcnt_rv requires a reference as it's first argument");
scalar = SvRV (scalar);
}
RETVAL = SvREFCNT (scalar);
if (items > 1)
SvREFCNT (scalar) = newrefcnt;
OUTPUT:
RETVAL
void
refcnt_inc (SV *scalar)
ALIAS:
refcnt_inc_rv = 1
CODE:
if (ix)
{
if (!SvROK (scalar)) croak ("refcnt_inc_rv requires a reference as it's first argument");
scalar = SvRV (scalar);
}
SvREFCNT_inc (scalar);
void
refcnt_dec (SV *scalar)
ALIAS:
refcnt_dec_rv = 1
CODE:
if (ix)
{
if (!SvROK (scalar)) croak ("refcnt_dec_rv requires a reference as it's first argument");
scalar = SvRV (scalar);
}
SvREFCNT_dec (scalar);
bool
ok (SV *scalar)
CODE:
RETVAL = !!SvOK (scalar);
OUTPUT:
RETVAL
bool
uok (SV *scalar)
CODE:
RETVAL = !!SvUOK (scalar);
OUTPUT:
RETVAL
bool
rok (SV *scalar)
CODE:
RETVAL = !!SvROK (scalar);
OUTPUT:
RETVAL
bool
pok (SV *scalar)
CODE:
RETVAL = !!SvPOK (scalar);
OUTPUT:
RETVAL
bool
nok (SV *scalar)
CODE:
RETVAL = !!SvNOK (scalar);
OUTPUT:
RETVAL
bool
niok (SV *scalar)
CODE:
RETVAL = !!SvNIOK (scalar);
OUTPUT:
RETVAL
|
