/// <summary>
/// Processes a registry value.
/// </summary>
/// <param name="rv">A registry value.</param>
/// <returns>
/// True if the value is found and meets the specified
/// condition. The Inverse property may be used to invert
/// the returned value.
/// </returns>
private static bool ProcessRegValue(RegValue rv)
{
var er = EvalRegValue(rv);
return rv.Inverse ? !er : er;
}
/// <summary>
/// Evaluates a registry value.
/// </summary>
/// <param name="rv">A registry value.</param>
/// <returns>
/// True if the value is found and meets the specified
/// condition.
/// </returns>
private static bool EvalRegValue(RegValue rv)
{
if (rv == null)
{
return false;
}
var frk = rv.X64
? RegUtils.OpenKey(
rv.Path, false, RegUtils.ProcessArchitecture.X64)
: RegUtils.OpenKey(rv.Path);
if (frk == null)
{
return false;
}
var ov = frk.GetValue(rv.ValueName);
frk.Close();
if (ov == null)
{
return false;
}
var tn = rv.TypeName;
var rvv = rv.Value;
if (tn == "string")
{
if (rv.Comparison == "==")
{
return rvv == (string) ov;
}
if (rv.Comparison == "!=")
{
return rvv != (string) ov;
}
return false;
}
if (tn == "match")
{
var rx = new Regex(rvv);
return rx.IsMatch((string) ov);
}
if (tn == "version")
{
var rx = new Regex(@"\d+(?:\.\d+){0,2}");
var rvVer = new Version(rx.Match(rvv).Groups[0].Value);
var vVer = new Version(rx.Match((string) ov).Groups[0].Value);
switch (rv.Comparison)
{
case @"==":
{
return rvVer == vVer;
}
case @"!=":
{
return rvVer != vVer;
}
case @">":
{
return rvVer > vVer;
}
case @"<":
{
return rvVer < vVer;
}
case @">=":
{
return rvVer >= vVer;
}
case @"<=":
{
return rvVer <= vVer;
}
default:
{
return false;
}
}
}
if (tn == "long")
{
var vLong = long.Parse(string.Format("{0}", ov));
var rvLong = long.Parse(rvv);
switch (rv.Comparison)
{
case @"==":
{
return rvLong == vLong;
}
case @"!=":
{
return rvLong != vLong;
}
case @">":
{
return rvLong > vLong;
}
case @"<":
{
return rvLong < vLong;
}
case @">=":
{
return rvLong >= vLong;
}
case @"<=":
{
return rvLong <= vLong;
}
default:
{
return false;
}
}
}
return false;
}
/// <summary>
/// Evaluates a registry value.
/// </summary>
/// <param name="rv">A registry value.</param>
/// <returns>
/// True if the value is found and meets the specified
/// condition.
/// </returns>
private static bool EvalRegValue(RegValue rv)
{
if (rv == null)
{
return false;
}
var kp = ExpandRegRootName(rv.KeyPath);
var ov = Registry.GetValue(kp, rv.ValueName, null);
if (ov == null)
{
return false;
}
var tn = rv.TypeName;
var rvv = rv.Value;
if (tn == "string")
{
if (rv.Comparison == "==")
{
return rvv == (string) ov;
}
if (rv.Comparison == "!=")
{
return rvv != (string) ov;
}
return false;
}
if (tn == "match")
{
var rx = new Regex(rvv);
return rx.IsMatch((string) ov);
}
if (tn == "version")
{
var rx = new Regex(@"\d+(?:\.\d+){0,2}");
var rvVer = new Version(rx.Match(rvv).Groups[0].Value);
var vVer = new Version(rx.Match((string) ov).Groups[0].Value);
switch (rv.Comparison)
{
case @"==":
{
return rvVer == vVer;
}
case @"!=":
{
return rvVer != vVer;
}
case @">":
{
return rvVer > vVer;
}
case @"<":
{
return rvVer < vVer;
}
case @">=":
{
return rvVer >= vVer;
}
case @"<=":
{
return rvVer <= vVer;
}
default:
{
return false;
}
}
}
if (tn == "long")
{
var vLong = long.Parse(string.Format("{0}", ov));
var rvLong = long.Parse(rvv);
switch (rv.Comparison)
{
case @"==":
{
return rvLong == vLong;
}
case @"!=":
{
return rvLong != vLong;
}
case @">":
{
return rvLong > vLong;
}
case @"<":
{
return rvLong < vLong;
}
case @">=":
{
return rvLong >= vLong;
}
case @"<=":
{
return rvLong <= vLong;
}
default:
{
return false;
}
}
}
return false;
}
