internal void Read(PdbReader reader, int position,
byte[] bytes, int offset, int data)
{
if (position + data > contentSize)
{
throw new PdbException("DataStream can't read off end of stream. " +
"(pos={0},siz={1})",
position, data);
}
if (position == contentSize)
{
return;
}
int left = data;
int page = position / reader.pageSize;
int rema = position % reader.pageSize;
// First get remained of first page.
if (rema != 0)
{
int todo = reader.pageSize - rema;
if (todo > left)
{
todo = left;
}
reader.Seek(pages[page], rema);
reader.Read(bytes, offset, todo);
offset += todo;
left -= todo;
page++;
}
// Now get the remaining pages.
while (left > 0)
{
int todo = reader.pageSize;
if (todo > left)
{
todo = left;
}
reader.Seek(pages[page], 0);
reader.Read(bytes, offset, todo);
offset += todo;
left -= todo;
page++;
}
}
/// <summary>
/// </summary>
/// <param name="reader">
/// </param>
/// <param name="head">
/// </param>
/// <param name="bits">
/// </param>
internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits)
{
bits.MinCapacity(head.directorySize);
var pages = reader.PagesFromSize(head.directorySize);
// 0..n in page of directory pages.
reader.Seek(head.directoryRoot, 0);
bits.FillBuffer(reader.reader, pages * 4);
var 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
var sizes = new int[count];
bits.ReadInt32(sizes);
// n..m
this.streams = new DataStream[count];
for (var i = 0; i < count; i++)
{
if (sizes[i] <= 0)
{
this.streams[i] = new DataStream();
}
else
{
this.streams[i] = new DataStream(sizes[i], bits, reader.PagesFromSize(sizes[i]));
}
}
}
private string ReadHashInternal(string pdbFileHash)
{
var bits = new BitAccess(0);
using (var read = File.Open(pdbFileHash, FileMode.Open))
{
var head = new PdbFileHeader(read, bits);
var reader = new PdbReader(read, head.pageSize);
var dir = new MsfDirectory(reader, head, bits);
bits.MinCapacity(28);
reader.Seek(dir.streams[1].pages[0], 0);
reader.Read(bits.Buffer, 0, 28);
int ver;
int sig;
int age;
Guid guid;
bits.ReadInt32(out ver); // 0..3 Version
bits.ReadInt32(out sig); // 4..7 Signature
bits.ReadInt32(out age); // 8..11 Age
bits.ReadGuid(out guid); // 12..27 GUID
return((guid.ToString("N") + age.ToString("x")).ToUpper());
}
}
internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits)
{
int pages = reader.PagesFromSize(head.directorySize);
// 0..n in page of directory pages.
bits.MinCapacity(head.directorySize);
int directoryRootPages = head.directoryRoot.Length;
int pagesPerPage = head.pageSize / 4;
int pagesToGo = pages;
for (int i = 0; i < directoryRootPages; i++)
{
int pagesInThisPage = pagesToGo <= pagesPerPage ? pagesToGo : pagesPerPage;
reader.Seek(head.directoryRoot[i], 0);
bits.Append(reader.reader, pagesInThisPage * 4);
pagesToGo -= pagesInThisPage;
}
bits.Position = 0;
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]));
}
}
}
public void WriteHash(string pdbFileHash, string hash)
{
Guid guid = new Guid(hash.Remove(32));
int age = int.Parse(hash.Substring(32), NumberStyles.HexNumber);
using (var read = File.Open(pdbFileHash, FileMode.Open))
{
PdbFileHeader head = new PdbFileHeader(read, bits);
PdbReader reader = new PdbReader(read, head.pageSize);
MsfDirectory dir = new MsfDirectory(reader, head, bits);
reader.Seek(dir.streams[1].pages[0], 8); //bo przeskakujemy 8 znaków na ver i sig
using (BinaryWriter writer = new BinaryWriter(read))
{
writer.Write(age);
writer.Write(guid.ToByteArray());
}
}
}
internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits)
{
int pages = reader.PagesFromSize(head.directorySize);
// 0..n in page of directory pages.
bits.MinCapacity(head.directorySize);
int directoryRootPages = head.directoryRoot.Length;
int pagesPerPage = head.pageSize / 4;
int pagesToGo = pages;
for (int i = 0; i < directoryRootPages; i++) {
int pagesInThisPage = pagesToGo <= pagesPerPage ? pagesToGo : pagesPerPage;
reader.Seek(head.directoryRoot[i], 0);
bits.Append(reader.reader, pagesInThisPage * 4);
pagesToGo -= pagesInThisPage;
}
bits.Position = 0;
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]));
}
}
}
/// <summary>
/// </summary>
/// <param name="reader">
/// </param>
/// <param name="head">
/// </param>
/// <param name="bits">
/// </param>
internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits)
{
bits.MinCapacity(head.directorySize);
var pages = reader.PagesFromSize(head.directorySize);
// 0..n in page of directory pages.
reader.Seek(head.directoryRoot, 0);
bits.FillBuffer(reader.reader, pages * 4);
var 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
var sizes = new int[count];
bits.ReadInt32(sizes);
// n..m
this.streams = new DataStream[count];
for (var i = 0; i < count; i++)
{
if (sizes[i] <= 0)
{
this.streams[i] = new DataStream();
}
else
{
this.streams[i] = new DataStream(sizes[i], bits, reader.PagesFromSize(sizes[i]));
}
}
}
/// <summary>
/// </summary>
/// <param name="reader">
/// </param>
/// <param name="position">
/// </param>
/// <param name="bytes">
/// </param>
/// <param name="offset">
/// </param>
/// <param name="data">
/// </param>
/// <exception cref="PdbException">
/// </exception>
internal void Read(PdbReader reader, int position, byte[] bytes, int offset, int data)
{
if (position + data > this.contentSize)
{
throw new PdbException("DataStream can't read off end of stream. " + "(pos={0},siz={1})", position, data);
}
if (position == this.contentSize)
{
return;
}
var left = data;
var page = position / reader.pageSize;
var rema = position % reader.pageSize;
// First get remained of first page.
if (rema != 0)
{
var todo = reader.pageSize - rema;
if (todo > left)
{
todo = left;
}
reader.Seek(this.pages[page], rema);
reader.Read(bytes, offset, todo);
offset += todo;
left -= todo;
page++;
}
// Now get the remaining pages.
while (left > 0)
{
var todo = reader.pageSize;
if (todo > left)
{
todo = left;
}
reader.Seek(this.pages[page], 0);
reader.Read(bytes, offset, todo);
offset += todo;
left -= todo;
page++;
}
}
