internal void DirectoryWrite(string str, WzArchiveItemType type, WzArchiveItemType cachetype)
{
bool cacheable = false;
bool hascache = this.mRefTable.ContainsKey(str);
long org = this.mStream.Tell(true);
if (hascache)
{
this.mStream.Seek(this.mRefTable[str], true);
cacheable = this.mStream.Read1u() == (byte)type;
this.mStream.Seek(org, true);
}
this.mStream.Write1u((byte)(cacheable ? cachetype : type));
if (cacheable)
{
this.mStream.Write4u(this.mRefTable[str]);
}
else
{
this.mRefTable.Add(str, (uint)org);
SerializeString.Write(this.mStream, str);
}
}
// For WZDirectory
internal string DirectoryRead(out WzArchiveItemType type, WzArchiveItemType reftype)
{
uint off = (uint)this.mStream.Tell(true);
type = (WzArchiveItemType)this.mStream.Read1u();
if (type == reftype)
{
uint cacheoff = this.mStream.Read4u();
long org = this.mStream.Tell();
this.mStream.Seek(cacheoff, true);
type = (WzArchiveItemType)this.mStream.Read1u();
this.mStream.Seek(org);
return(this.mStrTable[cacheoff]);
}
else
{
string str = SerializeString.Read(this.mStream);
this.mStrTable.Add(off, str);
return(str);
}
}
/// <summary> 寫入一串序列化文字。如果池裡已經存在相同的字串，則會以快取的形式寫入 </summary>
/// <param name="str"> </param>
/// <param name="readsign"> 表示需要從資料流讀取的標記 </param>
/// <param name="refsign"> 表示需要從池裡讀取的標記 </param>
public void Write(string str, byte readsign, byte refsign)
{
if (str == null)
{
str = "";
}
bool cacheable = this.mRefTable.ContainsKey(str);
this.mStream.Write1u(cacheable ? refsign : readsign);
if (cacheable)
{
this.mStream.Write4u(this.mRefTable[str]);
}
else
{
this.mRefTable.Add(str, (uint)(this.mStream.Tell(true)));
SerializeString.Write(this.mStream, str);
}
}
/// <summary> 讀取一串序列化文字。如果池裡面已經存在同樣的字串，會從池裡面讀取 </summary>
public string Read()
{
byte header = this.mStream.Read1u();
switch (header)
{
case 0x00: // normal serialize string
case 0x73: // class serialize string
uint off = (uint)this.mStream.Tell(true);
string str = SerializeString.Read(this.mStream);
this.mStrTable.Add(off, str);
return(str);
case 0x01: // reference normal serialize string
case 0x1B: // reference class serialize string
return(this.mStrTable[this.mStream.Read4u()]);
default:
throw new ArgumentException("invalid header : " + header);
}
}