COFFHeader.cs :  » Aspect-Oriented-Frameworks » Runtime-Assembly-Instrumentation-Library » Mono » PEToolkit » C# / CSharp Open Source

/*
 * Copyright (c) 2002 Sergey Chaban <serge@wildwestsoftware.com>
 */

using System;
using System.IO;
using System.Runtime.InteropServices;

namespace Mono.PEToolkit{

  public class COFFHeader {

    private MachineId machine;
    private short sections;
    private uint tdStampRaw;
    private uint symTabPtr;
    private uint numSymbols;
    private short optHeaderSize;
    private Characteristics characteristics;

    public MachineId Machine {
      get { return machine; }
      set { machine = value; }
    }

    public short NumberOfSections {
      get { return sections; }
      set { sections = value;  }
    }

    public uint TimeDateStamp {
      get { return tdStampRaw; }
      set { tdStampRaw = value; }
    }

    public DateTime TimeStamp {
      get {
        return (new DateTime(1970, 1, 1) +
               TimeSpan.FromSeconds(tdStampRaw)).ToLocalTime();
      }
    }

    public uint PointerToSymbolTable {
      get { return symTabPtr;  }
      set { symTabPtr = value; }
    }

    public uint NumberOfSymbols {
      get { return numSymbols; }
      set { numSymbols = value; }
    }

    public short SizeOfOptionalHeader {
      get { return optHeaderSize; }
      set { optHeaderSize = value; }
    }

    public Characteristics Characteristics {
      get { return characteristics; }
      set { characteristics = value; }
    }

    public void Read (BinaryReader reader) 
    {
      machine = (MachineId) reader.ReadUInt16 ();
      sections = reader.ReadInt16 ();
      tdStampRaw = reader.ReadUInt32 ();
      symTabPtr = reader.ReadUInt32 ();
      numSymbols = reader.ReadUInt32 ();
      optHeaderSize = reader.ReadInt16 ();
      characteristics = (Characteristics) reader.ReadUInt16 ();  
    }

    public void Write (BinaryWriter writer) 
    {
      writer.Write ((ushort)machine);
      writer.Write (sections);
      writer.Write (tdStampRaw);
      writer.Write (symTabPtr);
      writer.Write (numSymbols);
      writer.Write (optHeaderSize);
      writer.Write ((ushort)characteristics);  
    }

    public void Dump(TextWriter writer)
    {
      writer.WriteLine(
        "Machine ID      : {0}" + Environment.NewLine + 
        "Sections        : {1}" + Environment.NewLine +
        "Characteristics : {2}" + Environment.NewLine +
        "timestamp       : {3} ({4})" + Environment.NewLine
        ,machine, sections, (ushort)characteristics,
        TimeStamp, tdStampRaw.ToString("X")
      );
    }    

    public override string ToString()
    {
      StringWriter sw = new StringWriter();
      Dump(sw);
      return sw.ToString();
    }

  }
}