PropertyStringTableHeader ReadHeader()
{
using (LockRead())
{
m_Fs.Seek(0, SeekOrigin.Begin);
return(PropertyStringTableHeader.FromBinary(m_Br));
}
}
void Create(int stringCount, int averageStringLength = DefaultAverageStringSize)
{
var header = new PropertyStringTableHeader();
header.version = Version;
header.count = 0;
header.symbolSlots = Math.Max(stringCount * HashFactor, 1);
var bytesPerString = GetStringByteSize(averageStringLength);
header.allocatedStringBytes = stringCount * bytesPerString;
header.usedStringBytes = StringLengthByteSize;
var buffer = new byte[Marshal.SizeOf <PropertyStringTableHeader>() + GetSymbolsByteSize(header.symbolSlots) + header.allocatedStringBytes];
TransactionUtils.SerializeInto(header, buffer, 0);
using (var fs = File.Open(filePath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite | FileShare.Delete))
fs.Write(buffer, 0, buffer.Length);
}
void Create(int stringCount, int averageStringLength = DefaultAverageStringSize)
{
var header = new PropertyStringTableHeader();
header.version = Version;
header.count = 0;
header.symbolSlots = Math.Max(stringCount * HashFactor, 1);
var bytesPerString = GetStringByteSize(averageStringLength);
header.allocatedStringBytes = stringCount * bytesPerString;
header.usedStringBytes = StringLengthByteSize;
var buffer = new byte[GetSymbolsByteSize(header.symbolSlots) + header.allocatedStringBytes];
using (var bw = new BinaryWriter(File.Open(filePath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite | FileShare.Delete)))
{
header.ToBinary(bw);
bw.Write(buffer);
}
}
public PropertyStringTableView(PropertyStringTable stringTable, bool delayedSync)
{
m_StringTable = stringTable;
m_Disposed = false;
m_DelayedSync = delayedSync;
using (LockRead())
{
m_Fs = File.Open(stringTable.filePath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite | FileShare.Delete);
m_Br = new BinaryReader(m_Fs, PropertyStringTable.encoding, true);
m_Bw = new BinaryWriter(m_Fs, PropertyStringTable.encoding, true);
}
stringTable.RegisterStringTableChangedHandler(HandleStringTableChanged);
m_Header = ReadHeader();
using (LockUpgradeableRead())
{
if (m_Header.version != PropertyStringTable.Version)
{
Clear();
}
}
}
public PropertyStringTableView(PropertyStringTable stringTable, bool delayedSync)
{
m_StringTable = stringTable;
m_Disposed = false;
m_DelayedSync = delayedSync;
m_SymbolBuffer = new byte[PropertyStringTable.SymbolByteSize];
m_StringBuffer = new byte[PropertyStringTable.DefaultAverageStringSize * sizeof(char)];
m_HeaderBuffer = new byte[Marshal.SizeOf <PropertyStringTableHeader>()];
using (LockRead())
{
m_Fs = File.Open(stringTable.filePath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite | FileShare.Delete);
}
stringTable.RegisterStringTableChangedHandler(HandleStringTableChanged);
m_Header = ReadHeader();
using (LockUpgradeableRead())
{
if (m_Header.version != PropertyStringTable.Version)
{
Clear();
}
}
}
void NotifyStringTableChanged(PropertyStringTableHeader newHeader)
{
m_StringTable.NotifyStringTableChanged(newHeader);
}
void HandleStringTableChanged(PropertyStringTableHeader newHeader)
{
using (LockWrite())
m_Header = newHeader;
}
public void NotifyStringTableChanged(PropertyStringTableHeader newHeader)
{
using (LockUpgradeableRead())
m_StringTableChanged?.Invoke(newHeader);
}
