public void Add <TClass, TPropertyType, TGenerator>(Expression <Func <TClass, TPropertyType> > expression)
{
Expression body = expression.Body;
if (body.NodeType != ExpressionType.MemberAccess)
{
throw new FakerException("Invalid lambda expression");
}
IBaseGenerator generator = (IBaseGenerator)Activator.CreateInstance(typeof(TGenerator));
if (!generator.CanGenerate(typeof(TPropertyType)))
{
throw new FakerException("Illegal generator");
}
if (customGenerators.ContainsKey(typeof(TClass)))
{
Dictionary <MemberInfo, IBaseGenerator> innerDict = customGenerators[typeof(TClass)];
innerDict.Add(((MemberExpression)body).Member, generator);
}
else
{
Dictionary <MemberInfo, IBaseGenerator> innerDict = new Dictionary <MemberInfo, IBaseGenerator>();
innerDict.Add(((MemberExpression)body).Member, generator);
customGenerators.Add(typeof(TClass), innerDict);
}
}
private bool GeneratorExists(Type t, out IBaseGenerator gen)
{
gen = null;
foreach (IBaseGenerator generator in generators)
{
Type tmp = t;
if (t.IsGenericType)
{
tmp = t.GetGenericTypeDefinition();
}
if (generator.CanGenerate(tmp))
{
gen = generator;
return(true);
}
}
return(false);
}
private void LoadPlugins()
{
string pluginPath = "D:\\3course\\5sem\\SPP\\Faker\\Plugins";
List <Assembly> dlls = new List <Assembly>();
string[] f = Directory.GetFiles(pluginPath, "*.dll");
foreach (string s in f)
{
dlls.Add(Assembly.LoadFrom(s));
}
foreach (Assembly a in dlls)
{
foreach (Type t in a.GetTypes())
{
if (t.GetInterface(nameof(IBaseGenerator)) != null)
{
IBaseGenerator d = (IBaseGenerator)Activator.CreateInstance(t);
generators.Add(d);
}
}
}
}
public void AddGenerator(IBaseGenerator generator)
{
generators.Add(generator);
}
private static void AddGeneratorToDictionary(IBaseGenerator generator, Dictionary <Type, IBaseGenerator> dictionary)
{
dictionary.Add(generator.GenerateType, generator);
}
public bool FieldOrPropertyHasCustomGenerator(Type classType, string memberName /*MemberInfo member*/, out IBaseGenerator gen)
{
Dictionary <MemberInfo, IBaseGenerator> innerDict = customGenerators[classType];
foreach (KeyValuePair <MemberInfo, IBaseGenerator> pair in innerDict)
{
if (pair.Key.Name.Equals(memberName))
{
gen = pair.Value;
return(true);
}
}
gen = null;
return(false);
}
