| public TryGetByte ( byte &result, int &offset ) : bool | ||
| result | byte | |
| offset | int | |
| return | bool | |
/// <summary>
/// Read a single string from the metadata blob.
/// </summary>
/// <remarks>
/// Consider returning false, printing error message. But, need to
/// be certain to abort the whole process at that point...
/// </remarks>
public bool TryReadDefData(Blob metadata, out string metaString, out uint metaOffset, ref int offset)
{
metaString = null;
metaOffset = 0;
UInt32 cookie = 0;
List <byte> tempbytelist = new List <byte>();
metadata.TryGetUInt32(ref metaOffset, ref offset);
while ((metadata.Content.Count > offset + 8) &&
metadata.TryGetUInt32(ref cookie, ref offset))
{
if ((cookie < 0x43210010 && cookie > 0x43210000) || cookie == 0x00090009)
{
if (cookie != 0x00090009)
{
offset -= 4;
}
char[] splitter = { '\0' };
string tempstring = System.Text.Encoding.ASCII.GetString(tempbytelist.ToArray());
metaString = tempstring.Split(splitter)[0];
return(true);
}
byte tempbyte = new byte();
offset -= 4;
for (int i = 0; i < 4; i++)
{
if (!metadata.TryGetByte(ref tempbyte, ref offset))
{
return(false);
}
tempbytelist.Add(tempbyte);
}
}
tempbytelist.ToString();
return(false);
}
/// <summary>
/// Read a single string from the metadata blob.
/// </summary>
/// <remarks>
/// Consider returning false, printing error message. But, need to
/// be certain to abort the whole process at that point...
/// </remarks>
public bool TryReadDefString(Blob metadata, out string metaString, ref int offset)
{
metaString = null;
UInt32 cookie = 0;
List<byte> tempbytelist = new List<byte>();
while ((metadata.Content.Count > offset + 8) &&
metadata.TryGetUInt32(ref cookie, ref offset))
{
if ((cookie < cookieMax && cookie > cookieMin) || cookie == cookieEnd)
{
if (cookie != cookieEnd)
{
offset -= 4;
}
char[] splitter = { '\0' };
string tempstring = System.Text.Encoding.ASCII.GetString(tempbytelist.ToArray());
metaString = tempstring.Split(splitter)[0];
return true;
}
byte tempbyte = new byte();
offset -= 4;
for (int i = 0; i < 4; i++)
{
if (!metadata.TryGetByte(ref tempbyte, ref offset))
{
return false;
}
tempbytelist.Add(tempbyte);
}
}
tempbytelist.ToString();
return false;
}
/// <summary>
/// Read a single string from the metadata blob.
/// </summary>
/// <remarks>
/// Consider returning false, printing error message. But, need to
/// be certain to abort the whole process at that point...
/// </remarks>
public bool TryReadMetaString(Blob metadata, out string metaString, ref int offset)
{
metaString = null;
UInt32 cookie = 0;
List<byte> tempbytelist = new List<byte>();
while ((metadata.Content.Count > offset + 4) &&
metadata.TryGetUInt32(ref cookie, ref offset))
{
if ((cookie < 0x12340010 && cookie > 0x12340000) || cookie == 0x00090009)
{
offset -= 4;
char[] splitter = { '\0' }; //TODO FIX THIS
string tempstring = System.Text.Encoding.ASCII.GetString(tempbytelist.ToArray());
metaString = tempstring.Split(splitter)[0];
return true;
}
byte tempbyte = new byte();
offset -= 4;
for (int i = 0; i < 4; i++)
{
if (!metadata.TryGetByte(ref tempbyte,ref offset))
{
return false;
}
tempbytelist.Add(tempbyte);
}
}
tempbytelist.ToString();
return false;
}
/// <summary>
/// Try to read the calibration ID from the patch metadata.
/// </summary>
private bool TryReadCalibrationId(Blob blob, ref int offset, out string calibrationId)
{
calibrationId = string.Empty;
List<byte> calibrationIdBytes = new List<byte>();
byte tempByte = 0;
for (int index = 0; index < 16; index++)
{
if (!blob.TryGetByte(ref tempByte, ref offset))
{
Trace.WriteLine("This patch file's metadata ran out before the complete calibration ID could be found.");
return false;
}
if (calibrationId == string.Empty)
{
if (tempByte != 0)
{
calibrationIdBytes.Add(tempByte);
}
else
{
calibrationId = System.Text.Encoding.ASCII.GetString(calibrationIdBytes.ToArray());
}
}
else
{
if (tempByte != 0)
{
Trace.WriteLine("This patch file's metadata contains garbage after the calibration ID.");
return false;
}
}
}
return true;
}
