/// <summary>
/// </summary>
/// <param name="streams">
/// </param>
/// <param name="directoryRoot">
/// </param>
/// <param name="directorySize">
/// </param>
/// <param name="bits">
/// </param>
private void WriteDirectory(DataStream[] streams, out int directoryRoot, out int directorySize, BitAccess bits)
{
var directory = new DataStream();
var pages = 0;
for (var s = 0; s < streams.Length; s++)
{
if (streams[s].Length > 0)
{
pages += streams[s].Pages;
}
}
var use = 4 * (1 + streams.Length + pages);
bits.MinCapacity(use);
bits.WriteInt32(streams.Length);
for (var s = 0; s < streams.Length; s++)
{
bits.WriteInt32(streams[s].Length);
}
for (var s = 0; s < streams.Length; s++)
{
if (streams[s].Length > 0)
{
bits.WriteInt32(streams[s].pages);
}
}
directory.Write(this, bits.Buffer, use);
directorySize = directory.Length;
use = 4 * directory.Pages;
bits.MinCapacity(use);
bits.WriteInt32(directory.pages);
var ddir = new DataStream();
ddir.Write(this, bits.Buffer, use);
directoryRoot = ddir.pages[0];
}
/// <summary>
/// </summary>
/// <param name="streams">
/// </param>
/// <param name="bits">
/// </param>
internal void WriteMeta(DataStream[] streams, BitAccess bits)
{
var head = new PdbFileHeader(this.pageSize);
this.WriteDirectory(streams, out head.directoryRoot, out head.directorySize, bits);
this.WriteFreeMap();
head.freePageMap = 2;
head.pagesUsed = this.usedBytes / this.pageSize;
this.writer.Seek(0, SeekOrigin.Begin);
head.Write(this.writer, bits);
}