Perl-UnQLite/lib/UnQLite.xs
Reini Urban 9d0c7708fb more OPEN consts as mode argument
we do not only want to create databases
2013-07-17 12:42:59 -05:00

465 lines
9.5 KiB
Text

#ifdef __cplusplus
extern "C" {
#endif
#define PERL_NO_GET_CONTEXT /* we want efficiency */
#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>
#ifdef __cplusplus
} /* extern "C" */
#endif
#define NEED_newSVpvn_flags
#include "ppport.h"
#include <unqlite.h>
#define XS_STATE(type, x) (INT2PTR(type, SvROK(x) ? SvIV(SvRV(x)) : SvIV(x)))
#define XS_STRUCT2OBJ(sv, class, obj) \
sv = newSViv(PTR2IV(obj)); \
sv_magic(sv, sv_2mortal(newSViv(UNQLITE_OK)), PERL_MAGIC_ext, NULL, 0); \
sv = newRV_noinc(sv); \
sv_bless(sv, gv_stashpv(class, 1)); \
SvREADONLY_on(sv);
#define SETRC(rc, self) \
{ \
SV * i = get_sv("UnQLite::rc", GV_ADD); \
SvIV_set(i, rc); \
if (SvROK(self)) { \
MAGIC *_mg = mg_find(SvRV(self), PERL_MAGIC_ext); \
if (_mg) { \
SvIV_set(_mg->mg_obj, rc); \
} \
} \
}
MODULE = UnQLite PACKAGE = UnQLite
PROTOTYPES: DISABLE
BOOT:
HV* stash = gv_stashpvn("UnQLite", strlen("UnQLite"), TRUE);
#define _XSTR(s) _STR(s)
#define _STR(s) #s
#define UnConst(c) newCONSTSUB(stash, "UNQ"_XSTR(c), newSViv(UNQ##c))
UnConst(LITE_OK);
UnConst(LITE_NOMEM);
UnConst(LITE_ABORT);
UnConst(LITE_IOERR);
UnConst(LITE_CORRUPT);
UnConst(LITE_LOCKED);
UnConst(LITE_BUSY);
UnConst(LITE_DONE);
UnConst(LITE_PERM);
UnConst(LITE_NOTIMPLEMENTED);
UnConst(LITE_NOTFOUND);
UnConst(LITE_NOOP);
UnConst(LITE_INVALID);
UnConst(LITE_EOF);
UnConst(LITE_UNKNOWN);
UnConst(LITE_LIMIT);
UnConst(LITE_EXISTS);
UnConst(LITE_EMPTY);
UnConst(LITE_COMPILE_ERR);
UnConst(LITE_VM_ERR);
UnConst(LITE_FULL);
UnConst(LITE_CANTOPEN);
UnConst(LITE_READ_ONLY);
UnConst(LITE_LOCKERR);
UnConst(LITE_OPEN_READONLY);
UnConst(LITE_OPEN_READWRITE);
UnConst(LITE_OPEN_CREATE);
UnConst(LITE_OPEN_EXCLUSIVE);
UnConst(LITE_OPEN_TEMP_DB);
UnConst(LITE_OPEN_OMIT_JOURNALING);
UnConst(LITE_OPEN_IN_MEMORY);
UnConst(LITE_OPEN_MMAP);
UnConst(LITE_CURSOR_MATCH_EXACT);
UnConst(LITE_CURSOR_MATCH_LE);
UnConst(LITE_CURSOR_MATCH_GE);
SV*
open(klass, filename, mode=UNQLITE_OPEN_CREATE)
const char *klass;
const char *filename;
int mode;
PREINIT:
SV *sv;
unqlite *pdb;
int rc;
CODE:
rc = unqlite_open(&pdb, filename, mode);
if (rc == UNQLITE_OK) {
XS_STRUCT2OBJ(sv, klass, pdb);
SETRC(rc, sv);
RETVAL = sv;
} else {
SETRC(rc, &PL_sv_undef);
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
SV* _rc(self)
SV *self
PREINIT:
MAGIC *mg;
CODE:
if (SvROK(self)) {
mg = mg_find(SvRV(self), PERL_MAGIC_ext);
if (mg) {
RETVAL = newSVsv(mg->mg_obj);
} else {
RETVAL = &PL_sv_undef;
}
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
SV*
kv_store(self, key_sv, data_sv)
SV *self;
SV *key_sv;
SV *data_sv;
PREINIT:
char *key_c;
STRLEN key_l;
char *data_c;
STRLEN data_l;
int rc;
CODE:
unqlite *pdb = XS_STATE(unqlite*, self);
key_c = SvPV(key_sv, key_l);
data_c = SvPV(data_sv, data_l);
rc = unqlite_kv_store(pdb, key_c, key_l, data_c, data_l);
SETRC(rc, self);
if (rc==UNQLITE_OK) {
RETVAL = &PL_sv_yes;
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
SV*
kv_append(self, key_sv, data_sv)
SV *self;
SV *key_sv;
SV *data_sv;
PREINIT:
char *key_c;
STRLEN key_l;
char *data_c;
STRLEN data_l;
int rc;
CODE:
unqlite *pdb = XS_STATE(unqlite*, self);
key_c = SvPV(key_sv, key_l);
data_c = SvPV(data_sv, data_l);
rc = unqlite_kv_append(pdb, key_c, key_l, data_c, data_l);
SETRC(rc, self);
if (rc==UNQLITE_OK) {
RETVAL = &PL_sv_yes;
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
SV*
kv_delete(self, key_sv)
SV *self;
SV *key_sv;
PREINIT:
char *key_c;
STRLEN key_l;
int rc;
CODE:
unqlite *pdb = XS_STATE(unqlite*, self);
key_c = SvPV(key_sv, key_l);
rc = unqlite_kv_delete(pdb, key_c, key_l);
SETRC(rc, self);
if (rc==UNQLITE_OK) {
RETVAL = &PL_sv_yes;
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
SV*
kv_fetch(self, key_sv)
SV *self;
SV *key_sv;
PREINIT:
char *key_c;
STRLEN key_l;
char *buf;
int rc;
unqlite_int64 nbytes;
SV *sv;
CODE:
unqlite *pdb = XS_STATE(unqlite*, self);
key_c = SvPV(key_sv, key_l);
/* Allocate a buffer big enough to hold the record content */
rc = unqlite_kv_fetch(pdb, key_c, key_l, NULL, &nbytes);
SETRC(rc, self);
if (rc!=UNQLITE_OK) {
RETVAL = &PL_sv_undef;
goto last;
}
Newxz(buf, nbytes, char);
rc = unqlite_kv_fetch(pdb, key_c, key_l, buf, &nbytes);
SETRC(rc, self);
sv = newSVpv(buf, nbytes);
Safefree(buf);
RETVAL = sv;
last:
OUTPUT:
RETVAL
void
DESTROY(self)
SV * self;
PREINIT:
int rc;
CODE:
unqlite *pdb = XS_STATE(unqlite*, self);
rc = unqlite_close(pdb);
SETRC(rc, &PL_sv_undef);
SV*
_cursor_init(self)
SV * self;
PREINIT:
SV * sv;
int rc;
unqlite_kv_cursor* cursor;
CODE:
unqlite *pdb = XS_STATE(unqlite*, self);
rc = unqlite_kv_cursor_init(pdb, &cursor);
SETRC(rc, self);
if (rc == UNQLITE_OK) {
sv = newSViv(PTR2IV(cursor));
sv_magic(sv, sv_2mortal(newSViv(UNQLITE_OK)), PERL_MAGIC_ext, NULL, 0);
sv = newRV_noinc(sv);
SvREADONLY_on(sv);
RETVAL = sv;
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
MODULE = UnQLite PACKAGE = UnQLite::Cursor
SV* _rc(self)
SV *self
PREINIT:
MAGIC *mg;
CODE:
if (SvROK(self)) {
mg = mg_find(SvRV(self), PERL_MAGIC_ext);
if (mg) {
RETVAL = newSVsv(mg->mg_obj);
} else {
RETVAL = &PL_sv_undef;
}
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
SV*
_first_entry(self)
SV * self;
PREINIT:
SV * sv;
int rc;
CODE:
unqlite_kv_cursor *cursor = XS_STATE(unqlite_kv_cursor*, self);
rc = unqlite_kv_cursor_first_entry(cursor);
SETRC(rc, self);
if (rc == UNQLITE_OK) {
RETVAL = &PL_sv_yes;
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
int
_valid_entry(self)
SV * self;
PREINIT:
SV * sv;
int rc;
CODE:
unqlite_kv_cursor *cursor = XS_STATE(unqlite_kv_cursor*, self);
/* This will return 1 when valid. 0 otherwise */
rc = unqlite_kv_cursor_valid_entry(cursor);
RETVAL = rc;
OUTPUT:
RETVAL
SV*
_next_entry(self)
SV * self;
PREINIT:
SV * sv;
int rc;
CODE:
unqlite_kv_cursor *cursor = XS_STATE(unqlite_kv_cursor*, self);
rc = unqlite_kv_cursor_next_entry(cursor);
SETRC(rc, self);
if (rc == UNQLITE_OK) {
RETVAL = &PL_sv_yes;
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
SV*
_last_entry(self)
SV * self;
PREINIT:
SV * sv;
int rc;
CODE:
unqlite_kv_cursor *cursor = XS_STATE(unqlite_kv_cursor*, self);
rc = unqlite_kv_cursor_last_entry(cursor);
SETRC(rc, self);
if (rc == UNQLITE_OK) {
RETVAL = &PL_sv_yes;
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
SV*
_prev_entry(self)
SV * self;
PREINIT:
SV * sv;
int rc;
CODE:
unqlite_kv_cursor *cursor = XS_STATE(unqlite_kv_cursor*, self);
rc = unqlite_kv_cursor_prev_entry(cursor);
SETRC(rc, self);
if (rc == UNQLITE_OK) {
RETVAL = &PL_sv_yes;
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
SV*
_key(self)
SV * self;
PREINIT:
SV * sv;
int rc;
int nbytes;
char*buf;
CODE:
unqlite_kv_cursor *cursor = XS_STATE(unqlite_kv_cursor*, self);
rc = unqlite_kv_cursor_key(cursor, NULL, &nbytes);
SETRC(rc, self);
if (rc!=UNQLITE_OK) {
RETVAL = &PL_sv_undef;
goto last;
}
Newxz(buf, nbytes, char);
rc = unqlite_kv_cursor_key(cursor, buf, &nbytes);
SETRC(rc, self);
sv = newSVpv(buf, nbytes);
Safefree(buf);
RETVAL = sv;
last:
OUTPUT:
RETVAL
SV*
_data(self)
SV * self;
PREINIT:
SV * sv;
int rc;
unqlite_int64 nbytes;
char*buf;
CODE:
unqlite_kv_cursor *cursor = XS_STATE(unqlite_kv_cursor*, self);
rc = unqlite_kv_cursor_data(cursor, NULL, &nbytes);
SETRC(rc, self);
if (rc!=UNQLITE_OK) {
RETVAL = &PL_sv_undef;
goto last;
}
Newxz(buf, nbytes, char);
rc = unqlite_kv_cursor_data(cursor, buf, &nbytes);
SETRC(rc, self);
sv = newSVpv(buf, nbytes);
Safefree(buf);
RETVAL = sv;
last:
OUTPUT:
RETVAL
void
_release(self, db)
SV * self;
SV * db;
CODE:
unqlite *pdb = XS_STATE(unqlite*, db);
unqlite_kv_cursor *cursor = XS_STATE(unqlite_kv_cursor*, self);
unqlite_kv_cursor_release(pdb, cursor);
SV*
_seek(self, key_s, opt=UNQLITE_CURSOR_MATCH_EXACT)
SV * self;
SV * key_s;
int opt;
PREINIT:
STRLEN len;
char * key;
int rc;
CODE:
unqlite_kv_cursor *cursor = XS_STATE(unqlite_kv_cursor*, self);
key = SvPV(key_s, len);
rc = unqlite_kv_cursor_seek(cursor, key, len, opt);
SETRC(rc, self);
if (rc == UNQLITE_OK) {
RETVAL = &PL_sv_yes;
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL
SV*
_delete_entry(self)
SV * self;
PREINIT:
int rc;
CODE:
unqlite_kv_cursor *cursor = XS_STATE(unqlite_kv_cursor*, self);
rc = unqlite_kv_cursor_delete_entry(cursor);
SETRC(rc, self);
if (rc == UNQLITE_OK) {
RETVAL = &PL_sv_yes;
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT:
RETVAL