public DatabaseInfo getDatabaseInfo()
{
if (databaseInfo != null)
return databaseInfo;
try
{
// Synchronize since we're accessing the database file.
lock (ioLock)
{
bool hasStructureInfo = false;
byte [] delim = new byte[3];
// Advance to part of file where database info is stored.
file.Seek(-3,SeekOrigin.End);
for (int i=0; i<STRUCTURE_INFO_MAX_SIZE; i++)
{
file.Read(delim,0,3);
if (delim[0] == 255 && delim[1] == 255 && delim[2] == 255)
{
hasStructureInfo = true;
break;
}
file.Seek(-4,SeekOrigin.Current);
}
if (hasStructureInfo)
file.Seek(-6,SeekOrigin.Current);
else
{
// No structure info, must be pre Sep 2002 database, go back to end.
file.Seek(-3,SeekOrigin.End);
}
// Find the database info string.
for (int i=0; i<DATABASE_INFO_MAX_SIZE; i++)
{
file.Read(delim,0,3);
if (delim[0]==0 && delim[1]==0 && delim[2]==0)
{
byte[] dbInfo = new byte[i];
char[] dbInfo2 = new char[i];
file.Read(dbInfo,0,i);
for (int a0 = 0;a0 < i;a0++)
dbInfo2[a0] = Convert.ToChar(dbInfo[a0]);
// Create the database info object using the string.
this.databaseInfo = new DatabaseInfo(new String(dbInfo2));
return databaseInfo;
}
file.Seek(-4,SeekOrigin.Current);
}
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
return new DatabaseInfo("");
}
public DatabaseInfo GetDatabaseInfo()
{
if (_databaseInfo != null)
{
return _databaseInfo;
}
try
{
// Synchronize since we're accessing the database file.
lock (_ioLock)
{
bool hasStructureInfo = false;
// Advance to part of file where database info is stored.
int position = FromEnd(-3);
for (int i = 0; i < DbFlags.STRUCTURE_INFO_MAX_SIZE; i++)
{
var delim = _dbReader.Read(position, 3);
position += 3;
if (delim[0] == 255 && delim[1] == 255 && delim[2] == 255)
{
hasStructureInfo = true;
break;
}
position += -4;
}
if (hasStructureInfo)
{
position += -6;
}
else
{
// No structure info, must be pre Sep 2002 database, go back to end.
position += -3;
}
// Find the database info string.
for (int i = 0; i < DbFlags.DATABASE_INFO_MAX_SIZE; i++)
{
var delim = _dbReader.Read(position, 3);
if (delim[0] == 0 && delim[1] == 0 && delim[2] == 0)
{
char[] dbInfo2 = new char[i];
var dbInfo = _dbReader.Read(position, i);
position += i;
for (int a0 = 0; a0 < i; a0++)
{
dbInfo2[a0] = Convert.ToChar(dbInfo[a0]);
}
// Create the database info object using the string.
_databaseInfo = new DatabaseInfo(new String(dbInfo2));
return _databaseInfo;
}
position += -1;
}
}
}
catch (Exception e)
{
Trace.WriteLine(e.Message);
}
return new DatabaseInfo("");
}
public DatabaseInfo getDatabaseInfo()
{
if (databaseInfo != null)
{
return(databaseInfo);
}
try
{
// Synchronize since we're accessing the database file.
lock (ioLock)
{
bool hasStructureInfo = false;
byte [] delim = new byte[3];
// Advance to part of file where database info is stored.
file.Seek(-3, SeekOrigin.End);
for (int i = 0; i < STRUCTURE_INFO_MAX_SIZE; i++)
{
file.Read(delim, 0, 3);
if (delim[0] == 255 && delim[1] == 255 && delim[2] == 255)
{
hasStructureInfo = true;
break;
}
file.Seek(-4, SeekOrigin.Current);
}
if (hasStructureInfo)
{
file.Seek(-6, SeekOrigin.Current);
}
else
{
// No structure info, must be pre Sep 2002 database, go back to end.
file.Seek(-3, SeekOrigin.End);
}
// Find the database info string.
for (int i = 0; i < DATABASE_INFO_MAX_SIZE; i++)
{
file.Read(delim, 0, 3);
if (delim[0] == 0 && delim[1] == 0 && delim[2] == 0)
{
byte[] dbInfo = new byte[i];
char[] dbInfo2 = new char[i];
file.Read(dbInfo, 0, i);
for (int a0 = 0; a0 < i; a0++)
{
dbInfo2[a0] = Convert.ToChar(dbInfo[a0]);
}
// Create the database info object using the string.
this.databaseInfo = new DatabaseInfo(new String(dbInfo2));
return(databaseInfo);
}
file.Seek(-4, SeekOrigin.Current);
}
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
return(new DatabaseInfo(""));
}
