public string GetVariableValue(string prefix, string name)
{
if (String.IsNullOrEmpty(prefix))
{
throw new ArgumentNullException("prefix");
}
if (String.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
switch (prefix)
{
case "env":
return(Environment.GetEnvironmentVariable(name));
case "sys":
switch (name)
{
case "CURRENTDIR":
return(String.Concat(Directory.GetCurrentDirectory(), Path.DirectorySeparatorChar));
case "SOURCEFILEDIR":
return(String.Concat(Path.DirectorySeparatorChar));
case "SOURCEFILEPATH":
return(null);
case "PLATFORM":
Console.WriteLine("[Warning] Deprecated PreProc Variable: $(sys.PLATFORM), $(sys.BUILDARCH)");
goto case "BUILDARCH";
case "BUILDARCH":
switch (this.currentPlatform)
{
case Platform.X86:
return("x86");
case Platform.X64:
return("x64");
case Platform.IA64:
return("ia64");
case Platform.ARM:
return("arm");
default:
throw new ArgumentException(this.currentPlatform.ToString());
}
default:
return(null);
}
case "var":
return((string)this.variables[name]);
default:
PreprocessorExtension extension = (PreprocessorExtension)this.extensionsByPrefix[prefix];
if (null != extension)
{
try
{
return(extension.GetVariableValue(prefix, name));
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
else
{
return(null);
}
}
}
