private PcdbFile(string path, PcdbGameVersion gameVersion)
{
FileName = path;
database = new SQLiteDatabase(FileName);
database.BeginTransaction();
{
database.ExecuteNonQuery(new[] {"PRAGMA encoding = 'UTF-8'", "PRAGMA foreign_keys = ON"});
switch (gameVersion)
{
case PcdbGameVersion.Unknown:
database.RollBackTransaction();
database.Close();
throw new NotSupportedException("Unknown game version.");
case PcdbGameVersion.SHOC:
database.RollBackTransaction();
database.Close();
throw new NotSupportedException("S.T.A.L.K.E.R.: Shadow of Chernobyl is not supported.");
case PcdbGameVersion.CS:
database.ExecuteNonQuery(new[]
{
"CREATE TABLE DBVERSION (VERSION INTEGER UNSIGNED NOT NULL)",
"INSERT INTO DBVERSION VALUES ('" + (int)SupportedRevision + "')",
"CREATE TABLE DBTYPE (TYPEID TINYINT UNSIGNED NOT NULL)",
"INSERT INTO DBTYPE VALUES ('2')",
"CREATE TABLE HASHES (HASH CHAR(32) NOT NULL PRIMARY KEY, INFO TINYTEXT NULL)",
"CREATE TABLE NAMES (HASH CHAR(32) NOT NULL, NAME TINYTEXT NOT NULL, " +
"DATEINFO TIMESTAMP NULL, FOREIGN KEY (HASH) REFERENCES HASHES(HASH), " +
"PRIMARY KEY (HASH, NAME))",
"CREATE TABLE IPS (HASH CHAR(32) NOT NULL, IP TINYTEXT NOT NULL, " +
"DATEINFO TIMESTAMP NULL, FOREIGN KEY (HASH) REFERENCES HASHES(HASH), " +
"PRIMARY KEY (HASH, IP))"
});
break;
case PcdbGameVersion.COP:
database.ExecuteNonQuery(new[]
{
"CREATE TABLE DBVERSION (VERSION INTEGER UNSIGNED NOT NULL)",
"INSERT INTO DBVERSION VALUES ('" + (int)SupportedRevision + "')",
"CREATE TABLE DBTYPE (TYPEID TINYINT UNSIGNED NOT NULL)",
"INSERT INTO DBTYPE VALUES ('3')",
"CREATE TABLE HASHES (HASH CHAR(32) NOT NULL PRIMARY KEY, INFO TINYTEXT NULL)",
"CREATE TABLE NAMES (HASH CHAR(32) NOT NULL, NAME TINYTEXT NOT NULL, " +
"DATEINFO TIMESTAMP NULL, FOREIGN KEY (HASH) REFERENCES HASHES(HASH), " +
"PRIMARY KEY (HASH, NAME))",
"CREATE TABLE IPS (HASH CHAR(32) NOT NULL, IP TINYTEXT NOT NULL, " +
"DATEINFO TIMESTAMP NULL, FOREIGN KEY (HASH) REFERENCES HASHES(HASH), " +
"PRIMARY KEY (HASH, IP))",
"CREATE TABLE GSIDS (HASH CHAR(32) NOT NULL, GSID INT UNSIGNED NOT NULL, " +
"DATEINFO TIMESTAMP NULL, FOREIGN KEY (HASH) REFERENCES HASHES(HASH), " +
"PRIMARY KEY (HASH, GSID))"
});
break;
}
}
database.CommitTransaction();
database.Close();
Revision = (int)SupportedRevision;
}
public static SQLiteDatabase CreateInMemoryDB(string filename)
{
// returns a copy of a database in memory
// create an empty memory db first
SQLiteDatabase memdb = new SQLiteDatabase(":memory:");
try
{
// open an existing on disk db
SQLiteDatabase ondiskdb = new SQLiteDatabase(filename);
ondiskdb.Open();
// get user & schema version
int user_version = ondiskdb.GetUserVersion();
int schema_version = ondiskdb.GetSchemaVersion();
// get text encoding
string text_encoding = ondiskdb.GetTextEncoding();
// get sql for creating structures
string sql = "select sql from sqlite_master where name not like 'sqlite_%'";
DataTable structure = ondiskdb.Select(sql);
// get user tables
sql = "select name from sqlite_master where type = 'table' and name not like 'sqlite_%'";
DataTable usertables = ondiskdb.Select(sql);
// crate identically structures in memmory db
memdb.Open();
foreach (DataRow row in structure.Rows)
{
memdb.DBCommand.CommandText = row[0].ToString();
memdb.DBCommand.ExecuteNonQuery();
}
// set user & schema version
memdb.SetUserVerion(user_version);
memdb.SetSchemaVerion(schema_version);
// set text encoding
memdb.SetTextEncoding(text_encoding);
user_version = memdb.GetUserVersion();
text_encoding = memdb.GetTextEncoding();
// close on disk db
ondiskdb.Close();
// attach on disk db to memory db
memdb.AttachDatabase(filename, "ondisk");
memdb.BeginTransaction();
foreach (DataRow row in usertables.Rows)
{
memdb.DBCommand.CommandText = "insert into main." + row[0].ToString() + " select * from ondisk." + row[0].ToString();
memdb.DBCommand.ExecuteNonQuery();
}
memdb.Commit();
memdb.DetachDatabase("ondisk");
memdb.DiskFileName = filename;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
return(memdb);
}
public void BeginTransaction(System.Data.SQLite.SQLiteDatabase db = null)
{
if (db == null)
{
db = this.db;
}
if (db == null)
{
return;
}
db.BeginTransaction();
}
