//将新数据存入存储块
public void SaveData(char[] newData)
{
if (type == 0)
{
Data = newData;
}
else
{
if (Blocks.Count == 0 || Blocks[Blocks.Count - 1].IsFull())
{
var freeBlocks = VFS.GetFreeBlocks(1);
var freeBlock = (Block)freeBlocks[0];
freeBlock.SetType(type - 1);
freeBlock.SaveData(newData);
Blocks.Add(freeBlock);
}
else
{
Blocks[Blocks.Count - 1].SaveData(newData);
}
}
}
public void Save(String content)
{
MTime = Utils.GetUnixTimeStamp();
ClearBlock();
char[] contents = content.ToCharArray();
int length = contents.GetLength(0);
if (length == 0)
{
return;
}
int num = length / (int)Configs.BLOCK_SIZE + 1;
ArrayList freeBlocks = VFS.GetFreeBlocks(15);
for (int i = 0; i < Math.Min(12, num); i++)
{
Blocks[i] = freeBlocks[i] as Block;
Blocks[i].SetType(0);
}
if (num > 12)
{
Blocks[12] = freeBlocks[12] as Block;
Blocks[12].SetType(1);
}
if (num > 12 + Configs.BLOCK_SIZE)
{
Blocks[13] = freeBlocks[13] as Block;
Blocks[13].SetType(2);
}
if (num > 12 + Configs.BLOCK_SIZE + Configs.BLOCK_SIZE * Configs.BLOCK_SIZE)
{
Blocks[14] = freeBlocks[14] as Block;
Blocks[14].SetType(3);
}
int currentIndex = 0;
for (int i = 0; i < num; i++)
{
long realBlockSize = Math.Min(Configs.BLOCK_SIZE, length - i * Configs.BLOCK_SIZE);
char[] contentSeq = new char[realBlockSize];
Array.Copy(contents, Configs.BLOCK_SIZE * i, contentSeq, 0, realBlockSize);
if (currentIndex < 12)
{
Blocks[currentIndex].SaveData(contentSeq);
currentIndex++;
}
else
{
Blocks[currentIndex].SaveData(contentSeq);
if (Blocks[currentIndex].IsFull())
{
currentIndex++;
}
}
}
}