//
// Produza-se um IEnumerable em que cada elemento resulta de
// aplicar 'func' a um elemento de 'source'.
//
// Implementação 'lazy' de algoritmo de Map, que vai calculando os resultados
// à medida que forem sendo precisos.
//
// Usa a palavra-chave yield, levando a que o compilador de C# gere automaticamente
// uma implementação equivalente à apresentada no passo anterior ('LazyMap').
//
#region LazyMapWithYield
public static IEnumerable <U> YieldedMap <T, U>(this IEnumerable <T> source, Func1 <T, U> func)
{
foreach (T obj in source)
{
yield return(func(obj));
}
}
public HistoryView(UserData data, Func1 setButtons, Func2 changeView, Func3 makeRequest)
{
//init user data
userData = data;
//init widgets
delete = new Button("Delete history");
vBox = new VBox(false, 20);
//populate items list
items = new List <HistoryItem>();
foreach (UserData.History h in userData.history)
{
items.Add(new HistoryItem(h.url, h.time.ToString(), h.title));
}
//init and add items to the view
for (int i = items.Count - 1; i >= 0; i--)
{
vBox.PackStart(items[i], false, false, 0);
items[i].gotoUrl.Clicked += (obj, args) => gotoHistory(changeView, makeRequest, ((HistoryItem)((Button)obj).Parent.Parent).url);
}
//add main event handlers
delete.Clicked += (obj, args) => deleteHistory(setButtons);
//finish layout
vBox.PackStart(delete, false, false, 0);
this.Add(vBox);
}
//
// Produza-se um IEnumerable em que cada elemento resulta de
// aplicar 'func' a um elemento de 'source'.
//
// Implementação 'lazy' de algoritmo de Map, que vai calculando os resultados
// à medida que forem sendo precisos.
//
// Usa a palavra-chave yield, levando a que o compilador de C# gere automaticamente
// uma implementação equivalente à apresentada no passo anterior ('LazyMap').
//
#region LazyMapWithYield
public static IEnumerable YieldedMap(this IEnumerable source, Func1 func)
{
foreach (Object obj in source)
{
yield return(func(obj));
}
}
private async void doPreload(String url, Func0 onSuccess, Func1 onError)
{
try
{
await media.getCachedObjectAsync(new Uri(base_url, url.TrimStart('/')));
if (!runtime.IsRunning)
{
return;
}
using (var ctx = new FlowRuntime.DeferredContext(runtime))
{
onSuccess();
}
}
catch (Exception e)
{
if (!runtime.IsRunning)
{
return;
}
using (var ctx = new FlowRuntime.DeferredContext(runtime))
{
onError(e.ToString());
}
}
}
public override Object loadSound(String url, Func1 onfail, Func0 onok)
{
var obj = new Sound(this, new Uri(base_url, url));
obj.startLoad(onfail, onok);
return(obj);
}
static void Main()
{
Func1 ToDigitArray = IntToNumbers;
Func2 <int> PrintArray = PrintIntArray;
do
{
Console.Clear();
int randomNumber = rnd.Next(10000, 100000);
int[] randomArray = new int[10];
for (int i = 0; i < randomArray.Length; ++i)
{
randomArray[i] = rnd.Next(10, 100);
}
Console.WriteLine("Random number: " + randomNumber);
Console.WriteLine("Number to digits: ");
PrintArray(ToDigitArray(randomNumber));
Console.WriteLine("Print array: ");
PrintArray(randomArray);
Console.WriteLine("ToDigitArray.Method: " + ToDigitArray.Method);
Console.WriteLine("ToDigitArray.Target: " + ToDigitArray.Target);
Console.WriteLine("PrintArray.Method: " + PrintArray.Method);
Console.WriteLine("PrintArray.Target: " + PrintArray.Target);
Console.WriteLine("Press Esc to exit. Press any other key to continue.");
} while (Console.ReadKey(true).Key != ConsoleKey.Escape);
}
public FavoritesView(UserData data, Func1 updateStatus, Func2 changeView, Func3 makeRequest)
{
//init user data
userData = data;
//init widgets
items = new List <FavoriteItem>();
vBox = new VBox(false, 20);
//populate item list
foreach (UserData.Favorite f in userData.favorites)
{
items.Add(new FavoriteItem(f.url, f.name));
}
//init and add items to the view
for (int i = 0; i < items.Count; i++)
{
vBox.PackStart(items[i], false, false, 0);
items[i].save.Clicked += (obj, args) => updateName((FavoriteItem)((Button)obj).Parent, updateStatus);
items[i].gotoUrl.Clicked += (obj, args) => gotoFav(changeView, makeRequest, ((FavoriteItem)((Button)obj).Parent).urlEntry.Text);
}
//finalise
this.Add(vBox);
}
public Scoped1(T4 t4, Scoped2 scoped2, Func1 func1, Single1 single1)
{
T4 = t4;
Scoped2 = scoped2;
Func1 = func1;
Single1 = single1;
}
void IInvocation.invoke()
{
if (avalabilityCheck() == false)
{
return;
}
if (_hasReturnValue)
{
R obj = default(R);
switch (_argCount)
{
case 0:
Func <R> f = (Func <R>)_func;
obj = f();
break;
case 1:
Func1 <R, Arg1> f1 = (Func1 <R, Arg1>)_func;
obj = f1((Arg1)_argList[0]);
break;
case 2:
Func2 <R, Arg1, Arg2> f2 = (Func2 <R, Arg1, Arg2>)_func;
obj = f2((Arg1)_argList[0], (Arg2)_argList[1]);
break;
default:
Log.infoError("Function with " + _argCount + " arguments is not supported!");
break;
}
_returnValue = (object)obj;
}
else
{
switch (_argCount)
{
case 0:
VFunc vf = (VFunc)_func;
vf();
break;
case 1:
VFunc1 <Arg1> vf1 = (VFunc1 <Arg1>)_func;
vf1((Arg1)_argList[0]);
break;
case 2:
VFunc2 <Arg1, Arg2> vf2 = (VFunc2 <Arg1, Arg2>)_func;
vf2((Arg1)_argList[0], (Arg2)_argList[1]);
break;
default:
Log.infoError("Function with " + _argCount + " arguments is not supported!");
break;
}
}
}
public void updateName(FavoriteItem f, Func1 updateStatus)
{
if (f.nameEntry.Text != "")
{
updateStatus("Saved");
userData.changeFavoriteName(f.nameEntry.Text, f.urlEntry.Text);
}
}
public static IEnumerable Map(this IEnumerable objs, Func1 mapper)
{
foreach (Object obj in objs)
{
Console.WriteLine(":: Generating one more item ::");
yield return(mapper(obj));
}
}
public Object iter(Object[] arr, Func1 clos)
{
for (int i = 0; i < arr.Length; i++)
{
clos(arr[i]);
}
return(null);
}
public static IEnumerable <U> Map <T, U>(this IEnumerable <T> objs, Func1 <T, U> mapper)
{
foreach (T obj in objs)
{
Console.WriteLine(":: Generating one more item ::");
yield return(mapper(obj));
}
}
public void deleteHistory(Func1 setButtons)
{
userData.deleteHistory();
for (int i = items.Count - 1; i >= 0; i--)
{
vBox.Remove(items[i]);
}
setButtons();
}
public override async Task <Object> sendHttpRequestWithAttachments(String url, Object[] headers, Object[] param, Object[] files, Func1 onData, Func1 onError)
{
HttpRequestMessage message = await composeHttpRequest(url, false, headers, param, files);
Func1 onStatus = (object a) => { return(null); };
submitRequest(message, onData, onError, onStatus);
return(null);
}
public Object[] map(Object[] arr, Func1 clos)
{
Object[] rv = new Object[arr.Length];
for (int i = 0; i < arr.Length; i++)
{
rv[i] = clos(arr[i]);
}
return(rv);
}
//
// Produza-se um IEnumerable em que cada elemento resulta de
// aplicar 'func' a um elemento de 'source'.
//
// Implementação 'eager', que usa uma colecção para guardar o resultado
// do processamento de toda a sequência de entrada.
//
public static IEnumerable EagerMap(this IEnumerable source, Func1 func)
{
IList res = new ArrayList();
foreach (Object obj in source)
{
res.Add(func(obj));
}
return(res);
}
static public Operation DoFuncOnMainThread <R, Arg1>(Func1 <R, Arg1> func, Arg1 arg, long delay = 0, VFunc1 <R> callback = null)
{
object[] args = { arg };
Invocation <R, Arg1, Null> inv = new Invocation <R, Arg1, Null> (func, 1, args, true);
Invocation <Null, R, Null> cbInv = callback == null ? null : new Invocation <Null, R, Null> (callback, 1, null);
Operation operation = new Operation(inv, ApplicationEX.GetCurrnSystemMillisecond() + delay, cbInv);
MainThread.Instance.addExcutable(operation);
return(operation);
}
//
// Produza-se um IEnumerable em que cada elemento resulta de
// aplicar 'func' a um elemento de 'source'.
//
// Implementação 'eager', que usa uma colecção para guardar o resultado
// do processamento de toda a sequência de entrada.
//
public static IEnumerable <U> EagerMap <T, U>(this IEnumerable <T> source, Func1 <T, U> mapper)
{
IList <U> res = new List <U>();
foreach (T obj in source)
{
res.Add(mapper(obj));
}
return(res);
}
//
// Produza-se um IEnumerable em que cada elemento resulta de
// aplicar 'func' a um elemento de 'source'.
//
// Implementação 'eager', que usa uma colecção para guardar o resultado
// do processamento de toda a sequência de entrada.
//
public static IEnumerable EagerMap(this IEnumerable source, Func1 mapper)
{
IList res = new List <Object>();
foreach (Object obj in source)
{
res.Add(mapper(obj));
}
return(res);
}
static public Operation DoFuncOnThread <R, Arg>(LoopThread loopThrad, Func1 <R, Arg> func, Arg arg, VFunc1 <R> callback = null, bool callbackOnMainThread = true, long delay = 0)
{
object[] args = { arg };
Invocation <R, Arg, Null> inv = new Invocation <R, Arg, Null> (func, 1, args, true);
Invocation <Null, R, Null> cbInv = callback == null ? null : new Invocation <Null, R, Null> (callback, 1);
Operation operation = new Operation(inv, ApplicationEX.GetCurrnSystemMillisecond() + delay, cbInv, callbackOnMainThread);
loopThrad.addExecution(operation);
return(operation);
}
public bool exists(Object[] arr, Func1 test)
{
for (int i = 0; i < arr.Length; i++)
{
if ((bool)test(arr[i]))
{
return(true);
}
}
return(false);
}
static void Main(string[] args)
{
Func1 <Cat> cat = () => new Cat();
Func1 <Animal> animal = cat;
Action1 <Animal> act1 = (ani) => { Console.WriteLine(ani); };
Action1 <Cat> cat1 = act1;
Console.WriteLine(animal());
cat1(new Cat());
}
public JsonTypeMemberEntry(string jsonName, FieldInfo fieldInfo)
{
IsEscapingRequired = JsonWriter.IsEscapingRequired(jsonName);
MemberType = fieldInfo.FieldType;
ReadValue = Accelerator.CreateInstanceGetter(fieldInfo);
if (!fieldInfo.IsInitOnly)
{
WriteValue = Accelerator.CreateInstanceSetter(fieldInfo);
}
}
public void TestCreateInstanceGetter1()
{
string n = nameof(ClassWithInstanceFields.InstanceValueField);
Func1 getValue = typeof(ClassWithInstanceFields).CreateInstanceGetter(n);
var e = new ClassWithInstanceFields();
Assert.AreEqual(0, e.InstanceValueField);
e.InstanceValueField = 123;
Assert.AreEqual(123, getValue(e));
e.InstanceValueField = 0;
Assert.AreEqual(0, getValue(e));
}
public void TestCreateInstanceGetter2()
{
string n = nameof(ClassWithInstanceFields.InstanceTextField);
Func1 getValue = typeof(ClassWithInstanceFields).CreateInstanceGetter(n);
var e = new ClassWithInstanceFields();
Assert.AreEqual(null, e.InstanceTextField);
e.InstanceTextField = "ABC";
Assert.AreEqual("ABC", getValue(e));
e.InstanceTextField = null;
Assert.AreEqual(null, getValue(e));
}
public void TestCreateInstanceGetter3()
{
string n = nameof(ClassWithInstanceFields.InstanceEnumField);
Func1 getValue = typeof(ClassWithInstanceFields).CreateInstanceGetter(n);
var e = new ClassWithInstanceFields();
Assert.AreEqual(EnumForTest.None, e.InstanceEnumField);
e.InstanceEnumField = EnumForTest.Example;
Assert.AreEqual(EnumForTest.Example, getValue(e));
e.InstanceEnumField = EnumForTest.None;
Assert.AreEqual(EnumForTest.None, getValue(e));
}
void readStructIndex(Func1 fixups)
{
int offset = readInt32();
if (error || offset < char_idx || offset >= input_size)
{
error = true;
return;
}
int old_pos = char_idx;
char_idx = offset;
int isize = readArraySize();
structPrototype = new Struct[isize];
structSize = new int[isize];
structFixups = new Func1[isize];
for (int i = 0; i < isize; i++)
{
if (readArraySize() != 2)
{
error = true;
return;
}
int fcount = readInteger();
string name = readString();
structPrototype[i] = parent.runtime.findStructPrototype(name);
structSize[i] = fcount;
if (fixups != null)
{
Struct tmp = (Struct)fixups(name);
object[] data = tmp.getFields();
// Some(fixup_cb)
if (data.Length > 0)
{
structFixups[i] = (Func1)data[0];
}
}
}
char_idx = old_pos;
input_size = offset;
}
public void TestCreateFunction1c()
{
string n = nameof(ExampleClass2.AppendTextAndGet);
MethodInfo m = typeof(ExampleClass2).GetMethod(n, Type.EmptyTypes);
Func1 appendAndGet = Accelerator.CreateFunction1(m);
var o = new ExampleClass2();
Assert.AreEqual(null, o.Text);
o.Text = "ABC";
Assert.AreEqual("ABCtext", o.AppendTextAndGet());
Assert.AreEqual("ABCtext", o.Text);
Assert.AreEqual("ABCtexttext", appendAndGet(o));
Assert.AreEqual("ABCtexttext", o.Text);
}
public JsonTypeMemberEntry(string jsonName, Type propertyType, MethodInfo getMethod, MethodInfo setMethod)
{
IsEscapingRequired = JsonWriter.IsEscapingRequired(jsonName);
MemberType = propertyType;
if (getMethod != null)
{
ReadValue = Accelerator.CreateFunction1(getMethod);
}
if (setMethod != null)
{
WriteValue = Accelerator.CreateAction2(setMethod);
}
}
public static double[] Broadcast(Func1 f, double[] x)
{
double[] ret = new double[x.Length];
for (int i = 0; i < x.Length; i++)
{
ret[i] = f(x[i]);
}
return ret;
}
static extern void glutDisplayFunc(Func1 g);
static extern void glutIdleFunc(Func1 g);
public void HandledBy(Func1 handler) { SetHandledBy(handler, 1, HandlerContextParam.None); }
