private void WriteDirectory(DataStream[] streams,
out int directoryRoot,
out int directorySize,
BitAccess bits)
{
DataStream directory = new DataStream();
int pages = 0;
for (int s = 0; s < streams.Length; s++)
{
if (streams[s].Length > 0)
{
pages += streams[s].Pages;
}
}
int use = 4 * (1 + streams.Length + pages);
bits.MinCapacity(use);
bits.WriteInt32(streams.Length);
for (int s = 0; s < streams.Length; s++)
{
bits.WriteInt32(streams[s].Length);
}
for (int 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);
DataStream ddir = new DataStream();
ddir.Write(this, bits.Buffer, use);
directoryRoot = ddir.pages[0];
}
internal void Write(Stream writer, BitAccess bits) {
bits.MinCapacity(56);
bits.WriteBytes(magic); // 0..31
bits.WriteInt32(pageSize); // 32..35
bits.WriteInt32(freePageMap); // 36..39
bits.WriteInt32(pagesUsed); // 40..43
bits.WriteInt32(directorySize); // 44..47
bits.WriteInt32(zero); // 48..51
bits.WriteInt32(directoryRoot); // 52..55
writer.Seek(0, SeekOrigin.Begin);
bits.WriteBuffer(writer, 56);
}
internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits)
{
bits.MinCapacity(head.directorySize);
int pages = reader.PagesFromSize(head.directorySize);
// 0..n in page of directory pages.
reader.Seek(head.directoryRoot, 0);
bits.FillBuffer(reader.reader, pages * 4);
DataStream stream = new DataStream(head.directorySize, bits, pages);
bits.MinCapacity(head.directorySize);
stream.Read(reader, bits);
// 0..3 in directory pages
int count;
bits.ReadInt32(out count);
// 4..n
int[] sizes = new int[count];
bits.ReadInt32(sizes);
// n..m
streams = new DataStream[count];
for (int i = 0; i < count; i++)
{
if (sizes[i] <= 0)
{
streams[i] = new DataStream();
}
else
{
streams[i] = new DataStream(sizes[i], bits,
reader.PagesFromSize(sizes[i]));
}
}
}
internal PdbFileHeader(Stream reader, BitAccess bits) {
bits.MinCapacity(56);
reader.Seek(0, SeekOrigin.Begin);
bits.FillBuffer(reader, 56);
this.magic = new byte[32];
bits.ReadBytes(this.magic); // 0..31
bits.ReadInt32(out this.pageSize); // 32..35
bits.ReadInt32(out this.freePageMap); // 36..39
bits.ReadInt32(out this.pagesUsed); // 40..43
bits.ReadInt32(out this.directorySize); // 44..47
bits.ReadInt32(out this.zero); // 48..51
bits.ReadInt32(out this.directoryRoot); // 52..55
}
internal void Write(Stream writer, BitAccess bits)
{
bits.MinCapacity(56);
bits.WriteBytes(magic); // 0..31
bits.WriteInt32(pageSize); // 32..35
bits.WriteInt32(freePageMap); // 36..39
bits.WriteInt32(pagesUsed); // 40..43
bits.WriteInt32(directorySize); // 44..47
bits.WriteInt32(zero); // 48..51
bits.WriteInt32(directoryRoot); // 52..55
writer.Seek(0, SeekOrigin.Begin);
bits.WriteBuffer(writer, 56);
}
private void WriteDirectory(DataStream[] streams,
out int directoryRoot,
out int directorySize,
BitAccess bits) {
DataStream directory = new DataStream();
int pages = 0;
for (int s = 0; s < streams.Length; s++) {
if (streams[s].Length > 0) {
pages += streams[s].Pages;
}
}
int use = 4 * (1 + streams.Length + pages);
bits.MinCapacity(use);
bits.WriteInt32(streams.Length);
for (int s = 0; s < streams.Length; s++) {
bits.WriteInt32(streams[s].Length);
}
for (int 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);
DataStream ddir = new DataStream();
ddir.Write(this, bits.Buffer, use);
directoryRoot = ddir.pages[0];
}
internal PdbFileHeader(Stream reader, BitAccess bits)
{
bits.MinCapacity(56);
reader.Seek(0, SeekOrigin.Begin);
bits.FillBuffer(reader, 56);
this.magic = new byte[32];
bits.ReadBytes(this.magic); // 0..31
bits.ReadInt32(out this.pageSize); // 32..35
bits.ReadInt32(out this.freePageMap); // 36..39
bits.ReadInt32(out this.pagesUsed); // 40..43
bits.ReadInt32(out this.directorySize); // 44..47
bits.ReadInt32(out this.zero); // 48..51
bits.ReadInt32(out this.directoryRoot); // 52..55
}
internal void Read(PdbReader reader, BitAccess bits)
{
bits.MinCapacity(contentSize);
Read(reader, 0, bits.Buffer, 0, contentSize);
}
internal void Read(PdbReader reader, BitAccess bits) {
bits.MinCapacity(contentSize);
Read(reader, 0, bits.Buffer, 0, contentSize);
}