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/* SylFilter - a message filter
*
* Copyright (C) 2011 Hiroyuki Yamamoto
* Copyright (C) 2011 Sylpheed Development Team
*/
#include <glib.h>
#include "filter-kvs.h"
struct _XFilterKVS
{
char *dbfile;
void *dbhandle;
};
static XFilterKVSEngine ke;
int xfilter_kvs_set_engine(XFilterKVSEngine *engine)
{
g_return_val_if_fail(engine != NULL, -1);
ke = *engine;
return 0;
}
XFilterKVS *xfilter_kvs_new(const char *dbfile, void *dbhandle)
{
XFilterKVS *kvs;
kvs = g_new(XFilterKVS, 1);
kvs->dbfile = g_strdup(dbfile);
kvs->dbhandle = dbhandle;
return kvs;
}
const char *xfilter_kvs_get_file(XFilterKVS *kvs)
{
g_return_val_if_fail(kvs != NULL, NULL);
return kvs->dbfile;
}
void *xfilter_kvs_get_handle(XFilterKVS *kvs)
{
g_return_val_if_fail(kvs != NULL, NULL);
return kvs->dbhandle;
}
XFilterKVS *xfilter_kvs_open(const char *dbfile)
{
g_return_val_if_fail(ke.open != NULL, NULL);
return ke.open(dbfile);
}
int xfilter_kvs_close(XFilterKVS *kvs)
{
g_return_val_if_fail(kvs != NULL, -1);
return ke.close(kvs);
}
int xfilter_kvs_insert(XFilterKVS *kvs, const char *key, void *value, int size)
{
g_return_val_if_fail(kvs != NULL, -1);
return ke.insert(kvs, key, value, size);
}
int xfilter_kvs_delete(XFilterKVS *kvs, const char *key)
{
g_return_val_if_fail(kvs != NULL, -1);
return ke.delete(kvs, key);
}
int xfilter_kvs_update(XFilterKVS *kvs, const char *key, void *value, int size)
{
g_return_val_if_fail(kvs != NULL, -1);
return ke.update(kvs, key, value, size);
}
int xfilter_kvs_fetch(XFilterKVS *kvs, const char *key, void *vbuf, int vsize)
{
g_return_val_if_fail(kvs != NULL, -1);
return ke.fetch(kvs, key, vbuf, vsize);
}
int xfilter_kvs_begin(XFilterKVS *kvs)
{
g_return_val_if_fail(kvs != NULL, -1);
if (ke.begin)
return ke.begin(kvs);
else
return 0;
}
int xfilter_kvs_end(XFilterKVS *kvs)
{
g_return_val_if_fail(kvs != NULL, -1);
if (ke.end)
return ke.end(kvs);
else
return 0;
}
int xfilter_kvs_get_record_size(XFilterKVS *kvs)
{
g_return_val_if_fail(kvs != NULL, -1);
return ke.size(kvs);
}
int xfilter_kvs_foreach(XFilterKVS *kvs, XFilterKVSForeachFunc func, void *data)
{
g_return_val_if_fail(kvs != NULL, -1);
return ke.foreach(kvs, func, data);
}
int xfilter_kvs_fetch_int(XFilterKVS *kvs, const char *key)
{
int ival = 0;
int size;
char vbuf[4];
g_return_val_if_fail(kvs != NULL, -1);
size = xfilter_kvs_fetch(kvs, key, vbuf, 4);
if (size == 4) {
ival = *(gint32 *)vbuf;
return ival;
}
return 0;
}
int xfilter_kvs_set_int(XFilterKVS *kvs, const char *key, int num)
{
gint32 ival = num;
int size;
char vbuf[4];
g_return_val_if_fail(kvs != NULL, -1);
size = xfilter_kvs_fetch(kvs, key, vbuf, 4);
if (size == 4) {
if (num > 0)
return xfilter_kvs_update(kvs, key, (char *)&ival, 4);
else
return xfilter_kvs_delete(kvs, key);
} else if (size <= 0) {
if (num > 0)
return xfilter_kvs_insert(kvs, key, (char *)&ival, 4);
}
return -1;
}
int xfilter_kvs_increment(XFilterKVS *kvs, const char *key, int num)
{
gint32 ival = 0;
int size;
char vbuf[4];
g_return_val_if_fail(kvs != NULL, -1);
size = xfilter_kvs_fetch(kvs, key, vbuf, 4);
if (size == 4) {
ival = *(gint32 *)vbuf;
ival += num;
return xfilter_kvs_update(kvs, key, (char *)&ival, 4);
} else if (size <= 0) {
ival = num;
return xfilter_kvs_insert(kvs, key, (char *)&ival, 4);
}
return -1;
}
int xfilter_kvs_decrement(XFilterKVS *kvs, const char *key, int num)
{
gint32 ival = 0;
int size;
char vbuf[4];
g_return_val_if_fail(kvs != NULL, -1);
size = xfilter_kvs_fetch(kvs, key, vbuf, 4);
if (size == 4) {
ival = *(gint32 *)vbuf;
ival -= num;
if (ival <= 0)
return xfilter_kvs_delete(kvs, key);
else
return xfilter_kvs_update(kvs, key, (char *)&ival, 4);
} else if (size <= 0) {
return 0;
}
return -1;
}
static int count_func(XFilterKVS *kvs, const char *key, void *value, int size, void *data)
{
int *sum = (int *)data;
if (size == 4) {
*sum += *(gint32 *)value;
}
return 0;
}
int xfilter_kvs_count_sum(XFilterKVS *kvs)
{
int sum = 0;
g_return_val_if_fail(kvs != NULL, -1);
xfilter_kvs_foreach(kvs, count_func, &sum);
return sum;
}
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