Add NE Resident Name table structures

This commit is contained in:
Matt Nadareski
2022-03-14 10:01:01 -07:00
parent a7f406537e
commit d1279a471c
2 changed files with 138 additions and 0 deletions

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using System.IO;
using System.Text;
using BurnOutSharp.Tools;
namespace BurnOutSharp.ExecutableType.Microsoft.Entries
{
/// <summary>
/// These name strings are case-sensitive and are not null-terminated
/// </summary>
public class ResidentNameTableEntry
{
/// <summary>
/// Length of the name string that follows.
/// A zero value indicates the end of the name table.
/// </summary>
public byte Length;
/// <summary>
/// ASCII text of the name string.
/// </summary>
public byte[] Data;
/// <summary>
/// Ordinal number (index into entry table).
/// This value is ignored for the module name.
/// </summary>
public ushort OrdinalNumber;
/// <summary>
/// ASCII text of the name string
/// </summary>
public string DataAsString
{
get
{
if (Data == null)
return string.Empty;
// Try to read direct as ASCII
try
{
return Encoding.ASCII.GetString(Data);
}
catch { }
// If ASCII encoding fails, then just return an empty string
return string.Empty;
}
}
public static ResidentNameTableEntry Deserialize(Stream stream)
{
var rnte = new ResidentNameTableEntry();
rnte.Length = stream.ReadByteValue();
if (rnte.Length == 0)
return rnte;
rnte.Data = stream.ReadBytes(rnte.Length);
rnte.OrdinalNumber = stream.ReadUInt16();
return rnte;
}
public static ResidentNameTableEntry Deserialize(byte[] content, ref int offset)
{
var rnte = new ResidentNameTableEntry();
rnte.Length = content.ReadByte(ref offset);
if (rnte.Length == 0)
return rnte;
rnte.Data = content.ReadBytes(ref offset, rnte.Length);
rnte.OrdinalNumber = content.ReadUInt16(ref offset);
return rnte;
}
}
}

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using System.Collections.Generic;
using System.IO;
using BurnOutSharp.ExecutableType.Microsoft.Entries;
namespace BurnOutSharp.ExecutableType.Microsoft.Tables
{
/// <summary>
/// The resident-name table follows the resource table, and contains this
/// module's name string and resident exported procedure name strings. The
/// first string in this table is this module's name. These name strings
/// are case-sensitive and are not null-terminated.
/// </summary>
public class ResidentNameTable
{
/// <summary>
/// The first string in this table is this module's name.
/// These name strings are case-sensitive and are not null-terminated.
/// </summary>
public ResidentNameTableEntry[] NameTableEntries;
public static ResidentNameTable Deserialize(Stream stream)
{
var rnt = new ResidentNameTable();
var nameTableEntries = new List<ResidentNameTableEntry>();
while (true)
{
var rnte = ResidentNameTableEntry.Deserialize(stream);
if (rnte == null || rnte.Length == 0)
break;
nameTableEntries.Add(rnte);
}
rnt.NameTableEntries = nameTableEntries.ToArray();
return rnt;
}
public static ResidentNameTable Deserialize(byte[] content, ref int offset)
{
var rnt = new ResidentNameTable();
var nameTableEntries = new List<ResidentNameTableEntry>();
while (true)
{
var rnte = ResidentNameTableEntry.Deserialize(content, ref offset);
if (rnte == null || rnte.Length == 0)
break;
nameTableEntries.Add(rnte);
}
rnt.NameTableEntries = nameTableEntries.ToArray();
return rnt;
}
}
}