private VersionItem GetFirstItem(VersionItem parent, VersionItemMode mode)
{
if (parent.Mode == mode)
{
return(parent);
}
foreach (var item in parent.Children)
{
if (item.Mode == mode)
{
return(item);
}
var match = GetFirstItem(item, mode);
if (match != null)
{
return(match);
}
}
return(null);
}
private static VersionItem RecurseItem(VersionItemMode mode, BinaryReader rdr)
{
var initPos = rdr.BaseStream.Position;
var item = new VersionItem(mode)
{
Length = rdr.ReadUInt16(),
ValueLength = rdr.ReadUInt16(),
Type = rdr.ReadUInt16()
};
item.Key = GetKey(mode, rdr, out item._mode);
rdr.Align4();
mode = item.Mode;
var children = new List <VersionItem>();
while (rdr.BaseStream.Position < initPos + item.Length)
{
switch (mode)
{
case VersionItemMode.Root:
if (item.Value == null)
{
var ffiBytes = rdr.ReadBytes(item.ValueLength); // this is where FixedFileInfo goes
/*Byte[] padding2 = */
rdr.Align4();
if (ffiBytes.Length >= 52)
{
// 52 == 0x34
var ffi = new VSFixedFileInfo(ffiBytes);
if (ffi.Signature != 0xFEEF04BD)
{
throw new InvalidOperationException("Unrecognised VS_VERSIONINFO Signature");
}
var ffiDict = FfiToDict(ffi);
item.Value = ffiDict;
}
else
{
throw new InvalidOperationException("Unexpected VS_FIXEDFILEINFO length");
}
}
goto default;
case VersionItemMode.String:
var bytes = rdr.ReadBytes(item.ValueLength * 2);
var s = Encoding.Unicode.GetString(
bytes.SubArray(0, bytes.Length - 2)
); // miss out the null terminator
item.Value = s;
break;
case VersionItemMode.Var:
var data = rdr.ReadBytes(item.ValueLength); // wValueLength = size in bytes
item.Value = data;
// data is a DWORD array indicating the language and code page combinations supported by this file.
// The low-order word of each DWORD must contain a Microsoft language identifier, and the high-order word must contain the IBM code page number.
// Either high-order or low-order word can be zero, indicating that the file is language or code page independent.
// ms-help://MS.MSDNQTR.v90.en/winui/winui/windowsuserinterface/resources/versioninformation/versioninformationreference/versioninformationstructures/var.htm
break;
default:
var child = RecurseItem(GetNextMode(mode), rdr);
children.Add(child);
break;
}
// the reader was corrupted before entering the third String of the first StringTable of the StringFileInfo
// so let's see if padding here helps
rdr.Align4();
}
rdr.Align4();
item.Children = children.ToArray();
return(item);
}
private VersionResourceData(VersionItem root, byte[] rawData, ResourceLang lang) : base(lang, rawData)
{
VSVersionInfo = root;
}