private string CreateShellQuery(ConnectionProperties props)
{
var driver = new MongoDynamicDataContextDriver();
//build the query XDocument
var doc = new XDocument();
var query = new XElement("Query");
doc.Add(query);
query.SetAttributeValue("Kind", "Program");
query.SetElementValue("Reference", Path.Combine(driver.GetDriverFolder(), "LinqPadMongoDriver.dll"));
foreach (string loc in props.AssemblyLocations)
{
var el = new XElement("Reference");
el.SetValue(loc);
query.Add(el);
}
foreach (string ns in MongoDynamicDataContextDriver.GetNamespacesToAdd(props)
.Concat(new[]
{
"System",
"GDSX.Externals.LinqPad.Driver"
}))
{
var el = new XElement("Namespace");
el.SetValue(ns);
query.Add(el);
}
StringBuilder sb = new StringBuilder();
using (var writer = XmlWriter.Create(sb, new XmlWriterSettings {
OmitXmlDeclaration = true
}))
doc.Save(writer);
sb.AppendLine();
var ass = Assembly.GetExecutingAssembly();
using (var stream = ass.GetManifestResourceStream("GDSX.Externals.LinqPad.Driver.ShellInitQuery.linq"))
{
if (stream == null)
{
throw new Exception("Could not find static code files");
}
using (var reader = new StreamReader(stream))
sb.Append(reader.ReadToEnd());
}
return(sb.ToString());
}
private List <string> ValidateLinqQuery(LinqPadQuery query, ConnectionProperties props)
{
List <string> errors = new List <string>();
StringBuilder sb = new StringBuilder();
foreach (var ns in query.Namespaces)
{
sb.Append("using ").Append(ns).AppendLine(";");
}
sb.AppendFormat(@"
public class TestQuery
{{
public TestQuery()
{{
}}
{0}
}}", query.Query);
var driver = new MongoDynamicDataContextDriver();
CompilerResults results;
using (var codeProvider = new CSharpCodeProvider(new Dictionary <string, string>()
{
{ "CompilerVersion", "v4.0" }
}))
{
var assemblyNames = new HashSet <string>(query.References, new AssemblyPathEqualityComparer());
//add additional assemblies which may or may not have been overridden
assemblyNames.AddRange("System.dll System.Core.dll".Split());
assemblyNames.Add(Path.Combine(driver.GetDriverFolder(), "MongoDB.Driver.dll"));
assemblyNames.Add(Path.Combine(driver.GetDriverFolder(), "MongoDB.Bson.dll"));
assemblyNames.Add(Path.Combine(driver.GetDriverFolder(), "LinqPadMongoDriver.dll"));
var options = new CompilerParameters(assemblyNames.ToArray());
options.GenerateInMemory = true;
results = codeProvider.CompileAssemblyFromSource(options, sb.ToString());
}
if (results.Errors.Count > 0)
{
errors.AddRange(results.Errors.Cast <CompilerError>().Select(x => x.ToString()));
return(errors);
}
Type compiledType = results.CompiledAssembly.GetType("TestQuery");
object instance = Activator.CreateInstance(compiledType);
MethodInfo initMethod = compiledType.GetMethod("Initialize", new[] { typeof(ConnectionProperties) });
if (initMethod == null)
{
errors.Add(string.Format("The query must contain a method called Initialize that takes one parameter of type {0}", typeof(ConnectionProperties)));
return(errors);
}
return(errors);
}
