/// <summary>
/// Reads the PDB file _header from the given reader.
/// </summary>
/// <param name="reader">The reader to read From.</param>
/// <param name="header">The _header to populate.</param>
/// <returns><c>true</c> if reading was successful, otherwise <c>false</c>.</returns>
public static bool Read(BinaryReader reader, out PdbFileHeader header)
{
if (reader == null)
throw new ArgumentNullException(@"reader");
// Read & compare the signature
header.signature = reader.ReadBytes(0x20);
if (ArrayCompare(header.signature, PdbFileHeader.PdbSignature) == true)
{
header.dwPageSize = reader.ReadInt32();
header.dwBitmapPage = reader.ReadInt32();
header.dwFilePages = reader.ReadInt32();
header.dwRootBytes = reader.ReadInt32();
header.dwReserved = reader.ReadInt32();
header.dwIndexPage = reader.ReadInt32();
string sig = Encoding.ASCII.GetString(header.signature);
sig = sig.Substring(0, sig.IndexOf('\r'));
Debug.WriteLine(String.Format("PdbFileHeader:\n\tSignature={0}\n\tPageSize={1}\n\tBitmapPage={2} (at offset {3})\n\tFilePages={4}\n\tRootBytes={5}\n\tReserved={6}\n\tIndexPage={7} (at offset {8})", sig, header.dwPageSize, header.dwBitmapPage, header.dwBitmapPage*header.dwPageSize, header.dwFilePages, header.dwRootBytes, header.dwReserved, header.dwIndexPage, header.dwIndexPage*header.dwPageSize));
// Some more sanity checks at the end
if (reader.BaseStream.Length == (header.dwPageSize * header.dwFilePages))
return true;
}
// Clear what we've read
header = new PdbFileHeader();
return false;
}
/// <summary>
/// Initializes a new instance of the <see cref="PdbReader"/> class.
/// </summary>
/// <param name="stream">The stream.</param>
/// <exception cref="System.ArgumentNullException"><paramref name="stream"/> is null.</exception>
/// <exception cref="System.ArgumentException"><paramref name="stream"/> must be readable and seekable.</exception>
public PdbReader(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException(@"stream");
}
if (stream.CanRead == false)
{
throw new ArgumentException(@"Stream is not readable", @"stream");
}
if (stream.CanSeek == false)
{
throw new ArgumentException(@"Stream must be seekable.", @"stream");
}
this.stream = stream;
this.reader = new BinaryReader(stream);
// Read the file _header
if (PdbFileHeader.Read(this.reader, out this.header) == false)
{
throw new InvalidDataException(@"Not a Microsoft program database v7.0 file.");
}
LoadRootStream();
}
/// <summary>
/// Reads the PDB file _header From the given reader.
/// </summary>
/// <param name="reader">The reader to read From.</param>
/// <param name="header">The _header to populate.</param>
/// <returns><c>true</c> if reading was successful, otherwise <c>false</c>.</returns>
public static bool Read(BinaryReader reader, out PdbFileHeader header)
{
if (reader == null)
{
throw new ArgumentNullException(@"reader");
}
// Read & compare the signature
header.signature = reader.ReadBytes(0x20);
if (ArrayCompare(header.signature, PdbFileHeader.PdbSignature) == true)
{
header.dwPageSize = reader.ReadInt32();
header.dwBitmapPage = reader.ReadInt32();
header.dwFilePages = reader.ReadInt32();
header.dwRootBytes = reader.ReadInt32();
header.dwReserved = reader.ReadInt32();
header.dwIndexPage = reader.ReadInt32();
string sig = Encoding.ASCII.GetString(header.signature);
sig = sig.Substring(0, sig.IndexOf('\r'));
Debug.WriteLine(String.Format("PdbFileHeader:\n\tSignature={0}\n\tPageSize={1}\n\tBitmapPage={2} (at offset {3})\n\tFilePages={4}\n\tRootBytes={5}\n\tReserved={6}\n\tIndexPage={7} (at offset {8})", sig, header.dwPageSize, header.dwBitmapPage, header.dwBitmapPage * header.dwPageSize, header.dwFilePages, header.dwRootBytes, header.dwReserved, header.dwIndexPage, header.dwIndexPage * header.dwPageSize));
// Some more sanity checks at the end
if (reader.BaseStream.Length == (header.dwPageSize * header.dwFilePages))
{
return(true);
}
}
// Clear what we've read
header = new PdbFileHeader();
return(false);
}
