public void Load(string fullPath)
{
using (StreamReader reader = new StreamReader(fullPath))
{
// Read the first line to determine the format.
string line = reader.ReadLine();
if (line != "REGEDIT4" && line != "Windows Registry Editor Version 5.00")
{
throw new System.ApplicationException("The first line of the registry file is '" + line + "', but the expected first line is 'REGEDIT4' or 'Windows Registry Editor Version 5.00'.");
}
// REGEDIT version 4 saves expandable strings using ANSI encoding, but version 5 uses Unicode encoding.
bool unicode = line == "Windows Registry Editor Version 5.00";
RegistryCaptureKey currentKey = null;
line = reader.ReadLine();
for ( ; ;)
{
if (line == null)
{
break;
}
Match match;
if ((match = m_keyRegex.Match(line)).Success)
{
currentKey = LoadKey(match);
if (currentKey != null)
{
m_keys.Add(currentKey.Path, currentKey);
}
line = reader.ReadLine();
}
else if ((match = m_defaultValueRegex.Match(line)).Success)
{
RegistryCaptureValue value = LoadDefaultValue(match);
if (currentKey != null && value != null)
{
currentKey.Add(value);
}
line = reader.ReadLine();
}
else if ((match = m_valueRegex.Match(line)).Success)
{
RegistryCaptureValue value = LoadValue(match, unicode, reader, ref line);
if (currentKey != null && value != null)
{
currentKey.Add(value);
}
}
else
{
line = reader.ReadLine();
}
}
}
}
private string GetValue(RegistryCaptureValue value)
{
return(value.Value == null ? string.Empty : value.Value.ToString());
}
public void Add(RegistryCaptureValue value)
{
m_values[value.Name] = value;
}
private RegistryCaptureValue LoadValue(Match match, bool unicode, StreamReader reader, ref string line)
{
RegistryCaptureValue registryValue = null;
string name = match.Groups["Name"].Value;
string value = match.Groups["Value"].Value;
if ((match = m_stringValueRegex.Match(value)).Success)
{
// Unescape.
value = Regex.Replace(match.Groups["Value"].Value, @"\\(.)", "$1");
registryValue = new RegistryCaptureStringValue(name, value);
}
else if ((match = m_dwordValueRegex.Match(value)).Success)
{
int dwordValue = System.Convert.ToInt32(match.Groups["Value"].Value, 16);
registryValue = new RegistryCaptureDWordValue(name, dwordValue);
}
else if ((match = m_binaryValueRegex.Match(value)).Success)
{
byte[] bytes = null;
GetBytes(match, ref bytes, reader, ref line);
registryValue = new RegistryCaptureBinaryValue(name, bytes);
}
else if ((match = m_expandableValueRegex.Match(value)).Success)
{
byte[] bytes = null;
GetBytes(match, ref bytes, reader, ref line);
Encoding encoding = unicode ? Encoding.Unicode : Encoding.ASCII;
registryValue = new RegistryCaptureExpandStringValue(name, encoding.GetString(bytes));
}
else if ((match = m_multiStringValueRegex.Match(value)).Success)
{
byte[] bytes = null;
GetBytes(match, ref bytes, reader, ref line);
Encoding encoding = unicode ? Encoding.Unicode : Encoding.ASCII;
string[] strings = encoding.GetString(bytes).Split('\0');
// Remove any empty strings from the end.
LinkedList <string> stringList = new LinkedList <string>(strings);
LinkedListNode <string> node = stringList.Last;
while (node != null)
{
if (!string.IsNullOrEmpty(node.Value))
{
break;
}
stringList.Remove(node);
node = stringList.Last;
}
strings = new string[stringList.Count];
stringList.CopyTo(strings, 0);
registryValue = new RegistryCaptureMultiStringValue(name, strings);
}
line = reader.ReadLine();
return(registryValue);
}
