public function instantiate(NameSource $name_source)
{
$fmlt = $this->_formlet->instantiate($name_source);
$b = $this->_transform_builder->apply(V::val($fmlt["builder"]))->get();
$c = $this->_transform_collector->apply(V::val($fmlt["collector"]))->get();
return array("builder" => $b, "collector" => $c, "name_source" => $fmlt["name_source"]);
}
public function buildWithDict(RenderDict $dict)
{
$base = $this->_builder->buildWithDict($dict);
$res = $this->_transformation->apply(V::val($dict))->apply(V::val($base))->get();
C::guardIsHTML($res);
return $res;
}
public static function collect()
{
$collector = V::fn_w(function ($array, Value $v) use(&$collector) {
if (!($v->isError() || $v->isApplicable()) && $v->get() instanceof Stop) {
// Postprocessing of the collected values.
// We need to check weather there are errors in the collection
// to be able to get errors appropriately.
$errors = array();
$vals = array_map(function ($v) use(&$errors) {
$v = $v->force();
if ($v->isError()) {
$errors[] = $v;
return $v;
}
if ($v->isApplicable()) {
return $v;
}
return $v->get();
}, $array->get());
if (count($errors) > 0) {
return V::error("Collection contains errors.", "_collect", $errors);
}
return V::val($vals, "collect");
}
$array = $array->get();
$array[] = $v->force();
return $collector->apply(V::val($array));
});
return $collector->apply(V::val(array()));
}
public function plain_values()
{
$val = rand();
$rnd = md5(rand());
$value = V::val($val, $rnd);
return array(array($value, $val, $rnd));
}
public function compose_functions()
{
$times2 = V::fn(function ($v) {
return $v * 2;
});
return array(array($times2, V::fn("intval", 1), V::val("42")), array(V::fn("count", 1), V::fn("explode", 2, array(" ")), V::val("x x x x")));
}
public function collect($inp)
{
$name = $this->name();
if (!array_key_exists($name, $inp)) {
throw new MissingInputError($this->name());
}
return V::val($inp[$name], $name);
}
public function formlets()
{
$alwaysTrue = V::fn(function ($_) {
return true;
});
$pure = F::pure(V::val(42));
return array(array($pure->satisfies($alwaysTrue, "ERROR")));
}
public static function _empty()
{
// ToDo: Why does this not work?
/*if (self::_emptyInst === null) {
self::_emptyInst = new RenderDict(_val(0));
}
return self::_emptyInst;*/
return new RenderDict(array(), V::val(0), true);
}
public function testCollectCanBeReused()
{
$fn = L::collect();
$fn_a = $fn->apply(V::val(1))->apply(V::val(2))->apply(V::val(new Stop()));
$fn_b = $fn->apply(V::val(3))->apply(V::val(4))->apply(V::val(new Stop()));
$res_a = $fn_a->get();
$res_b = $fn_b->get();
$this->assertEquals($res_a, array(1, 2));
$this->assertEquals($res_b, array(3, 4));
}
/**
* @dataProvider functions_and_args
*/
public function testFunctionResult($fun, $args)
{
$fn = V::fn($fun);
$res1 = call_user_func_array($fun, $args);
$tmp = $fn;
for ($i = 0; $i < $fn->arity(); ++$i) {
$tmp = $tmp->apply(V::val($args[$i]));
}
$res2 = $tmp->get();
$this->assertEquals($res1, $res2);
}
/**
* Make a depth first search.
* Performs $transformation on every node that matches $predicate. If
* $transformation returns null, search will go on, if it returns a
* value, search will stop and return the value.
*/
public function depthFirst(FunctionValue $predicate, FunctionValue $transformation)
{
C::guardHasArity($predicate, 1);
C::guardHasArity($transformation, 1);
if ($predicate->apply(V::val($this))->get()) {
$res = $transformation->apply(V::val($this))->get();
if ($res !== null) {
return $res;
}
}
return $this->goDepth($predicate, $transformation);
}
public final function map(FunctionValue $transformation)
{
return $this->wrap(V::fn(function ($collector, $inp) use($transformation) {
$res = $collector->collect($inp)->force();
if ($res->isError()) {
return $res;
}
$res2 = $transformation->apply($res)->force();
// If mapping was successfull, the underlying value should
// be considered the origin of the produced value.
if (!$res2->isError() && !$res2->isApplicable()) {
return V::val($res2->get(), $res->origin());
}
return $res2;
}));
}
public function testMappedTwice()
{
$d = new RenderDict(array("foo" => "bar"), V::val(0));
$n = NameSource::instantiate("test");
$f = F::text("foobar");
$rdict1 = null;
$rhtml1 = null;
$rdict2 = null;
$rhtml2 = null;
$transformation = V::fn(function ($dict, $html) use(&$rdict1, &$rhtml1) {
$rdict1 = $dict;
$rhtml1 = $html;
return H::nop();
});
$transformation2 = V::fn(function ($dict, $html) use(&$rdict2, &$rhtml2) {
$rdict2 = $dict;
$rhtml2 = $html;
return H::text("baz");
});
$f2 = $f->mapHTML($transformation)->mapHTML($transformation2);
$i = $f2->instantiate($n);
$r1 = $i["builder"]->build();
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\RenderDict", $rdict1);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\RenderDict", $rdict2);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLText", $rhtml1);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLNop", $rhtml2);
$this->assertEquals($rhtml1->render(), "foobar");
$this->assertEquals($rhtml2->render(), "");
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLText", $r1);
$this->assertEquals($r1->render(), "baz");
$r2 = $i["builder"]->buildWithDict($d);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\RenderDict", $rdict1);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\RenderDict", $rdict2);
$this->assertEquals($d, $rdict1);
$this->assertEquals($d, $rdict2);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLText", $rhtml1);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLNop", $rhtml2);
$this->assertEquals($rhtml1->render(), "foobar");
$this->assertEquals($rhtml2->render(), "");
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLText", $r2);
$this->assertEquals($r2->render(), "baz");
}
private function toValue($val, $origin)
{
if ($val instanceof Value) {
return $val;
} else {
return V::val($val, $origin);
}
}
public function collect($inp)
{
$wrapped = $this->_wrapper->apply(V::val($this->_collector))->apply(V::val($inp));
return $wrapped->force();
}
/**
* One can apply an error value and gets an error back.
* @dataProvider error_values
*/
public function testErrorAppliedIsError(Value $value, $reason, $origin)
{
$this->assertTrue($value->apply(V::val(1))->isError());
}
public function formlets()
{
$p = F::pure(V::val(42));
return array(array($p->cmb($p)));
}
public function testMappedTwiceBuilder()
{
$d = new RenderDict(array("foo" => "bar"), V::val(0));
$b = new TextBuilder("foobar");
$rdict1 = null;
$rhtml1 = null;
$rdict2 = null;
$rhtml2 = null;
$transformation = V::fn(function ($dict, $html) use(&$rdict1, &$rhtml1) {
$rdict1 = $dict;
$rhtml1 = $html;
return H::nop();
});
$transformation2 = V::fn(function ($dict, $html) use(&$rdict2, &$rhtml2) {
$rdict2 = $dict;
$rhtml2 = $html;
return H::text("baz");
});
$b2 = $b->map($transformation)->map($transformation2);
$r1 = $b2->build();
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\RenderDict", $rdict1);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\RenderDict", $rdict2);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLText", $rhtml1);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLNop", $rhtml2);
$this->assertEquals($rhtml1->render(), "foobar");
$this->assertEquals($rhtml2->render(), "");
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLText", $r1);
$this->assertEquals($r1->render(), "baz");
$r2 = $b2->buildWithDict($d);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\RenderDict", $rdict1);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\RenderDict", $rdict2);
$this->assertEquals($d, $rdict1);
$this->assertEquals($d, $rdict2);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLText", $rhtml1);
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLNop", $rhtml2);
$this->assertEquals($rhtml1->render(), "foobar");
$this->assertEquals($rhtml2->render(), "");
$this->assertInstanceOf("Lechimp\\Formlets\\Internal\\HTMLText", $r2);
$this->assertEquals($r2->render(), "baz");
}
public function formlets()
{
return array(array(F::pure(V::val(42))));
}
public static function stop()
{
return V::val(new Internal\Stop());
}
public function formlets()
{
return array(array(F::fieldset("Static: ", F::pure(V::val(42)))));
}
public function formlets_and_values()
{
$data = array();
$pure_val = F::pure(V::val(42));
$pure_fn = F::pure(F::id());
$formlets = array(array($pure_val, false), array($pure_fn, true), array(F::text("TEXT")->cmb($pure_val), false), array(F::text("TEXT")->cmb($pure_fn), true), array($pure_val->cmb(F::text("TEXT")), false), array($pure_fn->cmb(F::text("TEXT")), true), array($pure_fn->cmb(F::input("text")), false), array($pure_fn->cmb(F::textarea_raw()), false), array($pure_fn->cmb(F::text_input()), false), array($pure_fn->cmb(F::textarea()), false), array($pure_fn->cmb(F::checkbox()), false), array(F::submit("SUBMIT")->cmb($pure_val), false), array(F::submit("SUBMIT")->cmb($pure_fn), true), array($pure_val->cmb(F::submit("SUBMIT")), false), array($pure_fn->cmb(F::submit("SUBMIT")), true), array(F::email("*****@*****.**"), false), array(F::hidden("foo"), false), array(F::number(1, 0, 1000, 1, array(), "no int", "not in range", "step_length"), false), array(F::password("foo"), false), array(F::radio(array("100" => "100"), "100"), false), array(F::search("foo"), false), array(F::url("foo"), false), array(F::select(array("100" => "100")), false));
$functions = array(F::id());
$values = array(0, 1, 2);
foreach ($formlets as $formlet) {
foreach ($functions as $fn1) {
foreach ($functions as $fn2) {
foreach ($values as $value) {
$data[] = array($formlet[0], $fn1, $fn2, V::val($value), $formlet[1]);
}
}
}
}
return $data;
}
