/// <summary>
/// Fills GetBehaviors method body by creating collection of registered <see cref="IBehavior<>"/>.
/// </summary>
/// <param name="method">GetBehaviors empty method.</param>
private void GenerateBehaviorMethodBody(CodeMemberMethod method)
{
Type resultListType = typeof(List <>).MakeGenericType(typeof(IBehavior <>).MakeGenericType(handlerType));
method.Statements.Add(new CodeVariableDeclarationStatement(
resultListType,
resultListName,
new CodeObjectCreateExpression(resultListType)
));
IEnumerable <Type> behaviorTypes = behaviorProvider.GetBehaviors(handlerType);
ICodeDomContext context = new DefaultCodeDomContext(configuration, handlerType);
ICodeDomBehaviorGenerator behaviorGenerator = GetBehaviorInstanceGenerator();
foreach (Type behaviorType in behaviorTypes)
{
method.Statements.Add(new CodeMethodInvokeExpression(
new CodeVariableReferenceExpression(resultListName),
TypeHelper.MethodName <IList <object>, object>(l => l.Add),
behaviorGenerator.TryGenerate(context, behaviorType)
));
}
method.Statements.Add(new CodeMethodReturnStatement(
new CodeVariableReferenceExpression(resultListName)
));
}
/// <summary>
/// Maps <paramref name="behaviorType"/> to be processed by <paramref name="generator" />
/// </summary>
public CodeDomBehaviorGeneratorCollection Add(Type behaviorType, ICodeDomBehaviorGenerator generator)
{
Ensure.NotNull(behaviorType, "behaviorType");
Ensure.NotNull(generator, "generator");
lock (storageLock)
storage[behaviorType] = generator;
return(this);
}
/// <summary>
/// Returns behavior instance generator.
/// </summary>
/// <returns>Behavior instance generator.</returns>
private ICodeDomBehaviorGenerator GetBehaviorInstanceGenerator()
{
ICodeDomBehaviorGenerator behaviorGenerator = configuration.GetBehaviorGenerator(null);
if (behaviorGenerator == null)
{
behaviorGenerator = new DefaultCodeDomBehaviorGenerator();
}
else
{
behaviorGenerator = new DefaultCodeDomBehaviorGenerator(behaviorGenerator);
}
return(behaviorGenerator);
}
private static bool TryGetDefaultGenerator(Type behaviorType, out ICodeDomBehaviorGenerator generator)
{
generator = new DefaultCodeDomBehaviorGenerator();
return(true);
}
/// <summary>
/// Creates new instance that first checks <paramref name="generator"/> and if it returns <c>null</c>,
/// uses default (parameter-less) constructor.
/// </summary>
/// <param name="generator">Inner generator used first.</param>
public DefaultCodeDomBehaviorGenerator(ICodeDomBehaviorGenerator generator)
{
Ensure.NotNull(generator, "generator");
this.generator = generator;
}
/// <summary>
/// Sets behavior instance generator.
/// </summary>
/// <param name="configuration">Compiler configuration.</param>
/// <param name="generator">Behavior instance generator.</param>
/// <returns>Self (for fluency).</returns>
public static ICompilerConfiguration AddBehaviorGenerator(this ICompilerConfiguration configuration, ICodeDomBehaviorGenerator generator)
{
Ensure.NotNull(configuration, "configuration");
configuration.Add("BehaviorGenerator", generator);
return(configuration);
}
/// <summary>
/// Returns behavior instance generator.
/// </summary>
/// <param name="configuration">Compiler configuration.</param>
/// <param name="defaultValue">Fallback value, when <paramref name="configuration"/> doesn't contain generator.</param>
/// <returns>Behavior instance generator.</returns>
public static ICodeDomBehaviorGenerator GetBehaviorGenerator(this ICompilerConfiguration configuration, ICodeDomBehaviorGenerator defaultValue)
{
Ensure.NotNull(configuration, "configuration");
return(configuration.Get <ICodeDomBehaviorGenerator>("BehaviorGenerator", defaultValue));
}
