133 lines
2.7 KiB
Text
133 lines
2.7 KiB
Text
#ifdef __cplusplus
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extern "C" {
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#endif
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#define PERL_NO_GET_CONTEXT /* we want efficiency */
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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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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#define NEED_newSVpvn_flags
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#include "ppport.h"
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#include <unqlite.h>
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#define XS_STATE(type, x) (INT2PTR(type, SvROK(x) ? SvIV(SvRV(x)) : SvIV(x)))
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/* #define XS_STRUCT2OBJ(sv, class, obj) if (obj == NULL) { sv_setsv(sv, &PL_sv_undef); } else { sv_setref_pv(sv, class, (void *) obj); } */
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#define XS_STRUCT2OBJ(sv, class, obj) \
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sv = newSViv(PTR2IV(obj)); \
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sv = newRV_noinc(sv); \
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sv_bless(sv, gv_stashpv(class, 1)); \
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SvREADONLY_on(sv);
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MODULE = Unqlite PACKAGE = Unqlite
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PROTOTYPES: DISABLE
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SV*
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open(klass, filename, mode=UNQLITE_OPEN_CREATE)
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const char *klass;
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const char *filename;
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int mode;
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PREINIT:
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SV *sv;
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unqlite *pdb;
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int rc;
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CODE:
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rc = unqlite_open(&pdb, filename, mode);
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if (rc == UNQLITE_OK) {
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XS_STRUCT2OBJ(sv, klass, pdb);
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RETVAL = sv;
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} else {
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RETVAL = &PL_sv_undef;
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}
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OUTPUT:
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RETVAL
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SV*
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kv_store(self, key_sv, data_sv)
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SV *self;
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SV *key_sv;
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SV *data_sv;
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PREINIT:
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char *key_c;
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STRLEN key_l;
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char *data_c;
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STRLEN data_l;
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int rc;
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CODE:
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unqlite *pdb = XS_STATE(unqlite*, self);
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key_c = SvPV(key_sv, key_l);
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data_c = SvPV(data_sv, data_l);
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rc = unqlite_kv_store(pdb, key_c, key_l, data_c, data_l);
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if (rc==UNQLITE_OK) {
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RETVAL = &PL_sv_yes;
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} else {
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RETVAL = &PL_sv_undef;
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}
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OUTPUT:
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RETVAL
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SV*
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kv_delete(self, key_sv)
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SV *self;
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SV *key_sv;
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PREINIT:
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char *key_c;
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STRLEN key_l;
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int rc;
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CODE:
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unqlite *pdb = XS_STATE(unqlite*, self);
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key_c = SvPV(key_sv, key_l);
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rc = unqlite_kv_delete(pdb, key_c, key_l);
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if (rc==UNQLITE_OK) {
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RETVAL = &PL_sv_yes;
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} else {
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RETVAL = &PL_sv_undef;
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}
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OUTPUT:
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RETVAL
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SV*
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kv_fetch(self, key_sv)
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SV *self;
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SV *key_sv;
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PREINIT:
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char *key_c;
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STRLEN key_l;
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char *buf;
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int rc;
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unqlite_int64 nbytes;
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SV *sv;
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CODE:
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unqlite *pdb = XS_STATE(unqlite*, self);
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key_c = SvPV(key_sv, key_l);
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/* Allocate a buffer big enough to hold the record content */
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rc = unqlite_kv_fetch(pdb, key_c, key_l, NULL, &nbytes);
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if (rc!=UNQLITE_OK) {
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RETVAL = &PL_sv_undef;
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goto last;
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}
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Newxz(buf, nbytes, char);
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unqlite_kv_fetch(pdb, key_c, key_l, buf, &nbytes);
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sv = newSVpv(buf, nbytes);
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Safefree(buf);
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RETVAL = sv;
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last:
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OUTPUT:
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RETVAL
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void
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DESTROY(self)
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SV * self;
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CODE:
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unqlite *pdb = XS_STATE(unqlite*, self);
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unqlite_close(pdb);
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