IoObject *IoTokyoCabinetPrefixCursor_key(IoObject *self, IoObject *locals, IoMessage *m)
{
/*doc TokyoCabinetPrefixCursor key
Returns current cursor key or nil.
*/
int size;
char *ks;
IoSeq *prefix = IoObject_getSlot_(self, IOSYMBOL("prefix"));
IOASSERT(ISSEQ(prefix), "prefix must be a sequence");
IOASSERT(TokyoCabinetPrefixCursor(self), "invalid TokyoCabinetPrefixCursor");
ks = tcbdbcurkey(TokyoCabinetPrefixCursor(self), &size);
if (ks)
{
UArray *k = UArray_newWithData_type_size_copy_(ks, CTYPE_uint8_t, size, 1);
if (UArray_beginsWith_(k, IoSeq_rawUArray(prefix)))
{
//printf("prefix '%s'\n", UArray_bytes(IoSeq_rawUArray(prefix)));
//printf("before clip '%s'\n", UArray_bytes(k));
UArray_clipBeforeEndOf_(k, IoSeq_rawUArray(prefix));
UArray_removeFirst(k); // remove separator
//printf("after clip '%s'\n", UArray_bytes(k));
return IoSeq_newWithUArray_copy_(IOSTATE, k, 0);
}
UArray_free(k);
}
return IONIL(self);
}
void IoTokyoCabinetPrefixCursor_free(IoTokyoCabinetPrefixCursor *self)
{
if(TokyoCabinetPrefixCursor(self))
{
tcbdbcurdel(TokyoCabinetPrefixCursor(self));
IoObject_setDataPointer_(self, NULL);
}
}
IoObject *IoTokyoCabinetPrefixCursor_jump(IoObject *self, IoObject *locals, IoMessage *m)
{
/*doc TokyoCabinetPrefixCursor jump(key)
Move cursor to record before key. Returns self
*/
IoSeq *key = IoMessage_locals_seqArgAt_(m, locals, 0);
IOASSERT(TokyoCabinetPrefixCursor(self), "invalid TokyoCabinetPrefixCursor");
return IOBOOL(self, tcbdbcurjump(TokyoCabinetPrefixCursor(self), (const void *)IoSeq_rawBytes(key), (int)IoSeq_rawSizeInBytes(key)));
}
IoObject *IoTokyoCabinetPrefixCursor_remove(IoObject *self, IoObject *locals, IoMessage *m)
{
/*doc TokyoCabinetPrefixCursor remove
Removes the current cursor postion. Returns self.
*/
IOASSERT(TokyoCabinetPrefixCursor(self), "invalid TokyoCabinetPrefixCursor");
IOASSERT(tcbdbcurout(TokyoCabinetPrefixCursor(self)), tcbdberrmsg(tcbdbecode(TokyoCabinet(self))));
return self;
}
IoObject *IoTokyoCabinetPrefixCursor_next(IoObject *self, IoObject *locals, IoMessage *m)
{
/*doc TokyoCabinetPrefixCursor next
Move cursor to next record. Returns true if there is another key,
or false if there is no next record.
*/
IoSeq *prefix = IoObject_getSlot_(self, IOSYMBOL("prefix"));
IOASSERT(ISSEQ(prefix), "prefix must be a sequence");
IOASSERT(TokyoCabinetPrefixCursor(self), "invalid TokyoCabinetPrefixCursor");
tcbdbcurnext(TokyoCabinetPrefixCursor(self));
return IOBOOL(self, IoTokyoCabinetPrefixCursor_keyBeginsWithPrefix_(self, prefix));
}
IoObject *IoTokyoCabinetPrefixCursor_put(IoObject *self, IoObject *locals, IoMessage *m)
{
/*doc TokyoCabinetPrefixCursor put(value)
Sets the value at the current cursor postion. Returns self.
*/
IoSeq *value = IoMessage_locals_seqArgAt_(m, locals, 0);
IOASSERT(TokyoCabinetPrefixCursor(self), "invalid TokyoCabinetPrefixCursor");
IOASSERT(tcbdbcurput(TokyoCabinetPrefixCursor(self), (const char *)IoSeq_rawBytes(value), IoSeq_rawSizeInBytes(value), BDBCPCURRENT), tcbdberrmsg(tcbdbecode(TokyoCabinet(self))));
return self;
}
IoObject *IoTokyoCabinetPrefixCursor_close(IoObject *self, IoObject *locals, IoMessage *m)
{
/*doc TokyoCabinetPrefixCursor close
Closes the database.
*/
if(TokyoCabinetPrefixCursor(self))
{
tcbdbcurdel(TokyoCabinetPrefixCursor(self));
IoObject_setDataPointer_(self, NULL);
}
return self;
}
IoObject *IoTokyoCabinetPrefixCursor_first(IoObject *self, IoObject *locals, IoMessage *m)
{
/*doc TokyoCabinetPrefixCursor first
Move cursor to first record. Returns self
*/
IoSeq *prefix = IoObject_getSlot_(self, IOSYMBOL("prefix"));
IOASSERT(ISSEQ(prefix), "prefix must be a sequence");
IOASSERT(TokyoCabinetPrefixCursor(self), "invalid TokyoCabinetPrefixCursor");
tcbdbcurjump(TokyoCabinetPrefixCursor(self), (const void *)IoSeq_rawBytes(prefix), (int)IoSeq_rawSizeInBytes(prefix));
if(!IoTokyoCabinetPrefixCursor_keyBeginsWithPrefix_(self, prefix))
{
tcbdbcurnext(TokyoCabinetPrefixCursor(self));
}
return IOBOOL(self, IoTokyoCabinetPrefixCursor_keyBeginsWithPrefix_(self, prefix));
}
IoObject *IoTokyoCabinetPrefixCursor_value(IoObject *self, IoObject *locals, IoMessage *m)
{
/*doc TokyoCabinetPrefixCursor value
Returns current cursor value or nil.
*/
int size;
char *value;
IOASSERT(TokyoCabinetPrefixCursor(self), "invalid TokyoCabinetPrefixCursor");
value = tcbdbcurval(TokyoCabinetPrefixCursor(self), &size);
if (value)
{
IoSeq *s = IoSeq_newWithData_length_(IOSTATE, (unsigned char *)value, size);
free(value);
return s;
}
return IONIL(self);
}
IoObject *IoTokyoCabinetPrefixCursor_last(IoObject *self, IoObject *locals, IoMessage *m)
{
/*doc TokyoCabinetPrefixCursor last
Move cursor to last record. Returns self
*/
IoSeq *prefix = IoObject_getSlot_(self, IOSYMBOL("prefix"));
IOASSERT(ISSEQ(prefix), "prefix must be a sequence");
IOASSERT(TokyoCabinetPrefixCursor(self), "invalid TokyoCabinetPrefixCursor");
{
UArray *p = UArray_clone(IoSeq_rawUArray(prefix));
UArray_appendCString_(p, " "); // space preceeds .
tcbdbcurjump(TokyoCabinetPrefixCursor(self), (const void *)UArray_bytes(p), (int)UArray_size(p));
UArray_free(p);
}
return IOBOOL(self, IoTokyoCabinetPrefixCursor_keyBeginsWithPrefix_(self, prefix));
}
IoObject *IoTokyoCabinetPrefixCursor_jump(IoObject *self, IoObject *locals, IoMessage *m)
{
/*doc TokyoCabinetPrefixCursor jump(key)
Move cursor to record before key. Returns self
*/
IoSeq *key = IoMessage_locals_seqArgAt_(m, locals, 0);
int result;
UArray *p;
IoSeq *prefix = IoObject_getSlot_(self, IOSYMBOL("prefix"));
IOASSERT(ISSEQ(prefix), "prefix must be a sequence");
p = UArray_clone(IoSeq_rawUArray(prefix));
UArray_appendPath_(p, IoSeq_rawUArray(key));
result = tcbdbcurjump(TokyoCabinetPrefixCursor(self),
(const void *)UArray_bytes(p),
(int)UArray_sizeInBytes(p));
UArray_free(p);
IOASSERT(TokyoCabinetPrefixCursor(self), "invalid TokyoCabinetPrefixCursor");
return IOBOOL(self, result);
}
int IoTokyoCabinetPrefixCursor_keyBeginsWithPrefix_(IoObject *self, IoSeq *prefix)
{
int size;
char *value = tcbdbcurkey(TokyoCabinetPrefixCursor(self), &size);
if(value)
{
UArray o = UArray_stackAllocedWithData_type_size_(value, CTYPE_uint8_t, size);
UArray *p = IoSeq_rawUArray(prefix);
return UArray_beginsWith_(&o, p);
}
return 0;
}
