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/*
Import plugin for Miranda NG
Copyright (c) 2012-18 Miranda NG team (https://miranda-ng.org)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "../stdafx.h"
static int dbrw_makeDatabase(const wchar_t*)
{
return 1;
}
static int dbrw_grokHeader(const wchar_t *profile)
{
HANDLE hFile = CreateFile(profile, GENERIC_READ, 0, NULL, OPEN_ALWAYS, 0, NULL);
int rc = 1;
int err = EGROKPRF_CANTREAD;
if (hFile != INVALID_HANDLE_VALUE) {
BOOL r;
char buf[64];
DWORD dwRead;
ZeroMemory(buf, sizeof(buf));
r = ReadFile(hFile, buf, sizeof(buf), &dwRead, NULL);
CloseHandle(hFile);
if (r && memcmp(buf, DBRW_HEADER_STR, strlen(DBRW_HEADER_STR)) == 0) {
sqlite3 *sqlcheck = NULL;
char *szPath = mir_utf8encodeW(profile);
rc = sqlite3_open(szPath, &sqlcheck);
free(szPath);
if (rc == SQLITE_OK) {
sqlite3_stmt *stmt;
err = EGROKPRF_UNKHEADER;
sqlite3_prepare_v2(sqlcheck, "select * from sqlite_master where type = 'table' and name = 'dbrw_core';", -1, &stmt, NULL);
if (sqlite3_step(stmt) == SQLITE_ROW) {
sqlite3_finalize(stmt);
sqlite3_prepare_v2(sqlcheck, "select val from dbrw_core where setting = 'SchemaVersion';", -1, &stmt, NULL);
if (sqlite3_step(stmt) == SQLITE_ROW) {
int sVersion;
sVersion = sqlite3_column_int(stmt, 0);
if (sVersion == atoi(DBRW_SCHEMA_VERSION))
rc = 0;
else {
// TODO: Return as valid and upgrade in
// dbrw_Load() if schema version is upgradable
}
}
}
sqlite3_finalize(stmt);
sqlite3_close(sqlcheck);
}
}
else err = r ? EGROKPRF_UNKHEADER : EGROKPRF_CANTREAD;
}
return rc;
}
static MIDatabase* dbrw_Load(const wchar_t *profile, BOOL)
{
CDbxSQLite *db = new CDbxSQLite();
db->Open(profile);
return db;
}
static int dbrw_Unload(MIDatabase *db)
{
delete (CDbxSQLite*)db;
return 0;
}
static DATABASELINK dblink =
{
sizeof(DATABASELINK),
"dbrw",
L"dbx SQLite driver",
dbrw_makeDatabase,
dbrw_grokHeader,
dbrw_Load,
dbrw_Unload
};
void RegisterDbrw()
{
RegisterDatabasePlugin(&dblink);
}
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