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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using Mono.Collections.Generic; | ||
|
|
||
| namespace Mono.Cecil.PE | ||
| { | ||
| public class ResourceEntry | ||
| { | ||
| public uint Id { get; set; } | ||
| public string Name { get; set; } | ||
| public ResourceDirectory Directory { get; set; } | ||
| public uint CodePage { get; set; } | ||
| public uint Reserved { get; set; } | ||
| public byte[] Data { get; set; } | ||
| } | ||
|
|
||
| public class ResourceDirectory | ||
| { | ||
| private readonly Collection<ResourceEntry> _entries = new Collection<ResourceEntry>(); | ||
|
|
||
| public Collection<ResourceEntry> Entries | ||
| { | ||
| get | ||
| { | ||
| return _entries; | ||
| } | ||
| } | ||
|
|
||
| public ushort SortEntries() | ||
| { | ||
| _entries.Sort(EntryComparer.Instance); | ||
| for (ushort i = 0; i < _entries.Count; i++) | ||
| if (_entries[i].Name == null) | ||
| return i; | ||
| return 0; | ||
| } | ||
|
|
||
| public ushort NumNameEntries { get; set; } | ||
| public ushort NumIdEntries { get; set; } | ||
| public ushort MinVersion { get; set; } | ||
| public ushort MajorVersion { get; set; } | ||
| public uint Characteristics { get; set; } | ||
| public uint TimeDateStamp { get; set; } | ||
| } | ||
|
|
||
| class EntryComparer : IComparer<ResourceEntry> | ||
| { | ||
| internal static readonly EntryComparer Instance = new EntryComparer(); | ||
| public int Compare(ResourceEntry x, ResourceEntry y) | ||
| { | ||
| if (x.Name != null && y.Name == null) | ||
| return -1; | ||
| if (x.Name == null && y.Name != null) | ||
| return 1; | ||
| if (x.Name == null) | ||
| return (int)(x.Id - y.Id); | ||
| return string.Compare(x.Name, y.Name, StringComparison.OrdinalIgnoreCase); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| using System.IO; | ||
| using System.Text; | ||
|
|
||
| namespace Mono.Cecil.PE | ||
| { | ||
| internal class RsrcReader | ||
| { | ||
| internal static ResourceDirectory ReadResourceDirectory(ByteBuffer b, uint baseAddress) | ||
| { | ||
| return ReadResourceDirectory(b.buffer, baseAddress); | ||
| } | ||
|
|
||
| internal static ResourceDirectory ReadResourceDirectory(byte[] b, uint baseAddress) | ||
| { | ||
| var dr = new MemoryStream(b); | ||
| return ReadResourceDirectory(new BinaryReader(dr), baseAddress); | ||
| } | ||
|
|
||
| private static ResourceDirectory ReadResourceDirectory(BinaryReader dr, uint baseAddress) | ||
| { | ||
| var d = ReadResourceDirectoryTable(dr); | ||
| int ne = d.NumNameEntries + d.NumIdEntries; | ||
| for (int i = 0; i < ne; i++) | ||
| d.Entries.Add(ReadResourceEntry(dr, baseAddress)); | ||
| return d; | ||
| } | ||
|
|
||
| private static ResourceEntry ReadResourceEntry(BinaryReader dr, uint baseAddress) | ||
| { | ||
| var re = new ResourceEntry(); | ||
| uint id = dr.ReadUInt32(); | ||
| uint offset = dr.ReadUInt32(); | ||
| long pos = dr.BaseStream.Position; | ||
| if ((id & 0x80000000) != 0) | ||
| { | ||
| dr.BaseStream.Position = (id & 0x7fffffff); | ||
| var b = new StringBuilder(); | ||
| int c; | ||
| while ((c = dr.Read()) > 0) | ||
| b.Append((char)c); | ||
| re.Name = b.ToString(); | ||
| } | ||
| else | ||
| { | ||
| re.Id = id; | ||
| } | ||
| if ((offset & 0x80000000) != 0) | ||
| { | ||
| dr.BaseStream.Position = (offset & 0x7fffffff); | ||
| re.Directory = ReadResourceDirectory(dr, baseAddress); | ||
| } | ||
| else | ||
| { | ||
| dr.BaseStream.Position = offset; | ||
| uint rva = dr.ReadUInt32(); | ||
| uint size = dr.ReadUInt32(); | ||
| uint cp = dr.ReadUInt32(); | ||
| uint res = dr.ReadUInt32(); | ||
| re.CodePage = cp; | ||
| re.Reserved = res; | ||
| dr.BaseStream.Position = (rva - baseAddress); | ||
| re.Data = dr.ReadBytes((int)size); | ||
| } | ||
| dr.BaseStream.Position = pos; | ||
| return re; | ||
| } | ||
|
|
||
| private static ResourceDirectory ReadResourceDirectoryTable(BinaryReader dr) | ||
| { | ||
| var t = new ResourceDirectory | ||
| { | ||
| Characteristics = dr.ReadUInt32(), | ||
| TimeDateStamp = dr.ReadUInt32(), | ||
| MajorVersion = dr.ReadUInt16(), | ||
| MinVersion = dr.ReadUInt16(), | ||
| NumNameEntries = dr.ReadUInt16(), | ||
| NumIdEntries = dr.ReadUInt16() | ||
| }; | ||
| return t; | ||
| } | ||
| } | ||
| } |
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