/// <summary>
/// Write data (short)
/// </summary>
/// <param name="address"></param>
/// <param name="data"></param>
/// <returns></returns>
public void Write(long address, short data)
{
Write(address, VSLib.ConvertShortToByte(data), 2);
}
/// <summary>
/// Set short value
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public void Set(string name, short value)
{
set_field(name, FIELD_TYPE_SHORT, VSLib.ConvertShortToByte(value));
}
/// <summary>
/// Serialize all fields to object fields space
/// Free excessive chunks if needed
/// </summary>
private void serialize()
{
// If no fields
if (FCache.Count == 0)
{
set_alloc(ALLOC_RESET);
FIELDS_SIZE = 0;
FreeSpace = -1;
FCache = null;
return;
}
byte[] b = null;
int old_size = (int)(FIELDS_SIZE); // Current used size (number of fields + all fields size)
// 1. Calculate new size
int new_size = FIRST_FIELD_OFFSET_REL;
for (int i = 0; i < FCache.Count; i++)
{
new_size += FCache[i].FULL_LENGTH;
}
// 2. Check if space is availabe, extend if required
if (new_size > (old_size + FreeSpace))
{
sp.Extend(this, (new_size - old_size));
}
// 3. Check if only value update is required
List <FieldCache> afc = FCache;
FCache = new List <FieldCache>(32);
int array_size = (new_size > old_size) ? new_size : old_size;
byte[] data = new byte[array_size];
int data_pos = FIRST_FIELD_OFFSET_REL;
VSLib.CopyBytes(data, VSLib.ConvertIntToByte(new_size), FIELDS_SIZE_POS, FIELDS_SIZE_LEN); // Size
VSLib.CopyBytes(data, VSLib.ConvertShortToByte((short)afc.Count), FIELDS_NUMBER_POS, FIELDS_NUMBER_LEN); // Fields number
FCache.Clear();
for (int i = 0; i < afc.Count; i++)
{
FieldCache fc_element = afc[i];
if (!fc_element.DELETED)
{
fc_element.OFFSET = data_pos;
// Type
data[data_pos] = fc_element.TYPE;
data_pos++;
// Name length
data[data_pos] = (byte)(fc_element.NAME.Length);
data_pos++;
// Name
b = VSLib.ConvertStringToByte(fc_element.NAME);
VSLib.CopyBytes(data, b, data_pos, b.Length);
data_pos += b.Length;
// Value
if (FIELD_COMPRESS[fc_element.TYPE]) // int/long/decimal
{
data[data_pos] = (byte)(fc_element.LENGTH);
data_pos++;
}
else if ((fc_element.TYPE == FIELD_TYPE_BYTES) | (fc_element.TYPE == FIELD_TYPE_STRING))
{
b = compress(VSLib.ConvertLongToByte(fc_element.LENGTH), FIELD_TYPE_LONG);
data[data_pos] = (byte)b.Length;
data_pos++;
if (b.Length > 0)
{
VSLib.CopyBytes(data, b, data_pos, b.Length);
data_pos += b.Length;
}
}
// Write value
if (fc_element.VALUE.Length > 0)
{
VSLib.CopyBytes(data, fc_element.VALUE, data_pos, fc_element.VALUE.Length);
data_pos += afc[i].LENGTH;
}
// Shift offset and add to cache
fc_element.OLDLENGTH = afc[i].LENGTH;
fc_element.STATE = STATE_LOADED;
FCacheTree.Insert(fc_element.NAME, FCache.Count);
FCache.Add(fc_element);
}
}
base.Write(base.FIXED, data, data.Length);
set_alloc(ALLOC_RENEW);
// Fill the rest by zeros if le length < old length
if (new_size < old_size)
{
long full_used_size = base.FIXED + new_size;
b = new byte[old_size - new_size];
base.Write(full_used_size, b, b.Length); // Fill be zeros unused space
// Multiple chunks, chech if there are exessive
if (base.Chunk > 0)
{
sp.ShrinkObject(this, full_used_size);
}
}
FreeSpace = (int)(this.Size - base.FIXED - new_size);
}
/// <summary>
/// Write short
/// </summary>
/// <param name="offset"></param>
/// <param name="data"></param>
public void Write(long offset, short data)
{
byte[] b = VSLib.ConvertShortToByte(data);
this.Write(offset, ref b);
}
