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/**********************************************************************
* PostgreSQL::InServer::Util
*
* src/pl/plperl/Util.xs
*
* Defines plperl interfaces for general-purpose utilities.
* This module is bootstrapped as soon as an interpreter is initialized.
* Currently doesn't define a PACKAGE= so all subs are in main:: to avoid
* the need for explicit importing.
*
**********************************************************************/
/* this must be first: */
#include "postgres.h"
#include "fmgr.h"
#include "utils/builtins.h"
#include "utils/bytea.h" /* for byteain & byteaout */
#include "varatt.h"
/* perl stuff */
#define PG_NEED_PERL_XSUB_H
#include "plperl.h"
static text *
sv2text(SV *sv)
{
char *str = sv2cstr(sv);
text *text;
text = cstring_to_text(str);
pfree(str);
return text;
}
MODULE = PostgreSQL::InServer::Util PREFIX = util_
PROTOTYPES: ENABLE
VERSIONCHECK: DISABLE
int
_aliased_constants()
PROTOTYPE:
ALIAS:
DEBUG = DEBUG2
LOG = LOG
INFO = INFO
NOTICE = NOTICE
WARNING = WARNING
ERROR = ERROR
CODE:
/* uses the ALIAS value as the return value */
RETVAL = ix;
OUTPUT:
RETVAL
void
util_elog(level, msg)
int level
SV *msg
CODE:
if (level > ERROR) /* no PANIC allowed thanks */
level = ERROR;
if (level < DEBUG5)
level = DEBUG5;
plperl_util_elog(level, msg);
SV *
util_quote_literal(sv)
SV *sv
CODE:
if (!sv || !SvOK(sv)) {
RETVAL = &PL_sv_undef;
}
else {
text *arg = sv2text(sv);
text *quoted = DatumGetTextPP(DirectFunctionCall1(quote_literal, PointerGetDatum(arg)));
char *str;
pfree(arg);
str = text_to_cstring(quoted);
RETVAL = cstr2sv(str);
pfree(str);
}
OUTPUT:
RETVAL
SV *
util_quote_nullable(sv)
SV *sv
CODE:
if (!sv || !SvOK(sv))
{
RETVAL = cstr2sv("NULL");
}
else
{
text *arg = sv2text(sv);
text *quoted = DatumGetTextPP(DirectFunctionCall1(quote_nullable, PointerGetDatum(arg)));
char *str;
pfree(arg);
str = text_to_cstring(quoted);
RETVAL = cstr2sv(str);
pfree(str);
}
OUTPUT:
RETVAL
SV *
util_quote_ident(sv)
SV *sv
PREINIT:
text *arg;
text *quoted;
char *str;
CODE:
arg = sv2text(sv);
quoted = DatumGetTextPP(DirectFunctionCall1(quote_ident, PointerGetDatum(arg)));
pfree(arg);
str = text_to_cstring(quoted);
RETVAL = cstr2sv(str);
pfree(str);
OUTPUT:
RETVAL
SV *
util_decode_bytea(sv)
SV *sv
PREINIT:
char *arg;
text *ret;
CODE:
arg = SvPVbyte_nolen(sv);
ret = DatumGetTextPP(DirectFunctionCall1(byteain, PointerGetDatum(arg)));
/* not cstr2sv because this is raw bytes not utf8'able */
RETVAL = newSVpvn(VARDATA_ANY(ret), VARSIZE_ANY_EXHDR(ret));
OUTPUT:
RETVAL
SV *
util_encode_bytea(sv)
SV *sv
PREINIT:
text *arg;
char *ret;
STRLEN len;
CODE:
/* not sv2text because this is raw bytes not utf8'able */
ret = SvPVbyte(sv, len);
arg = cstring_to_text_with_len(ret, len);
ret = DatumGetCString(DirectFunctionCall1(byteaout, PointerGetDatum(arg)));
RETVAL = cstr2sv(ret);
OUTPUT:
RETVAL
SV *
looks_like_number(sv)
SV *sv
CODE:
if (!SvOK(sv))
RETVAL = &PL_sv_undef;
else if ( looks_like_number(sv) )
RETVAL = &PL_sv_yes;
else
RETVAL = &PL_sv_no;
OUTPUT:
RETVAL
SV *
encode_typed_literal(sv, typname)
SV *sv
char *typname;
PREINIT:
char *outstr;
CODE:
outstr = plperl_sv_to_literal(sv, typname);
if (outstr == NULL)
RETVAL = &PL_sv_undef;
else
RETVAL = cstr2sv(outstr);
OUTPUT:
RETVAL
BOOT:
items = 0; /* avoid 'unused variable' warning */
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