8000 [Form] Removed "magic" from FormErrorIterator · symfony/symfony@daac66e · GitHub
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[Form] Removed "magic" from FormErrorIterator
1 parent 5b07e0a commit daac66e

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3 files changed

+71
-76
lines changed

3 files changed

+71
-76
lines changed

‎src/Symfony/Component/Form/Button.php

Lines changed: 1 addition & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -186,9 +186,7 @@ public function all()
186186
*/
187187
public function getErrors($deep = false, $flatten = true)
188188
{
189-
$errors = array();
190-
191-
return new FormErrorIterator($errors, $this, $deep, $flatten);
189+
return new FormErrorIterator($this, array());
192190
}
193191

194192
/**

‎src/Symfony/Component/Form/Form.php

Lines changed: 27 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -780,7 +780,33 @@ public function getClickedButton()
780780
*/
781781
public function getErrors($deep = false, $flatten = true)
782782
{
783-
return new FormErrorIterator($this->errors, $this, $deep, $flatten);
783+
$errors = $this->errors;
784+
785+
// Copy the errors of nested forms to the $errors array
786+
if ($deep) {
787+
foreach ($this as $child) {
788+
/** @var FormInterface $child */
789+
if ($child->isSubmitted() && $child->isValid()) {
790+
continue;
791+
}
792+
793+
$iterator = $child->getErrors(true, $flatten);
794+
795+
if (0 === count($iterator)) {
796+
continue;
797+
}
798+
799+
if ($flatten) {
800+
foreach ($iterator as $error) {
801+
$errors[] = $error;
802+
}
803+
} else {
804+
$errors[] = $iterator;
805+
}
806+
}
807+
}
808+
809+
return new FormErrorIterator($this, $errors);
784810
}
785811

786812
/**

‎src/Symfony/Component/Form/FormErrorIterator.php

Lines changed: 43 additions & 72 deletions
Original file line numberDiff line numberDiff line change
@@ -11,6 +11,7 @@
1111

1212
namespace Symfony\Component\Form;
1313

14+
use Symfony\Component\Form\Exception\InvalidArgumentException;
1415
use Symfony\Component\Form\Exception\OutOfBoundsException;
1516
use Symfony\Component\Form\Exception\BadMethodCallException;
1617

@@ -44,38 +45,33 @@ class FormErrorIterator implements \RecursiveIterator, \SeekableIterator, \Array
4445
private $form;
4546

4647
/**
47-
* @var Boolean
48+
* @var FormError[]|FormErrorIterator[]
4849
*/
49-
private $deep;
50-
51-
/**
52-
* @var Boolean
53-
*/
54-
private $flatten;
55-
56-
/**
57-
* @var array
58-
*/
59-
private $elements;
50+
private $errors;
6051

6152
/**
6253
* Creates a new iterator.
6354
*
64-
* @param array $errors The iterated errors
65-
* @param FormInterface $form The form the errors belong to
66-
* @param Boolean $deep Whether to include the errors of child
67-
* forms
68-
* @param Boolean $flatten Whether to flatten the recursive list of
69-
* errors into a flat list
55+
* @param FormInterface $form The erroneous form
56+
* @param array $errors The form errors
57+
*
58+
* @throws InvalidArgumentException If the errors are invalid
7059
*/
71-
public function __construct(array &$errors, FormInterface $form, $deep = false, $flatten = true)
60+
public function __construct(FormInterface $form, array $errors)
7261
{
73-
$this->errors = &$errors;
74-
$this->form = $form;
75-
$this->deep = $deep;
76-
$this->flatten = $flatten;
62+
foreach ($errors as $error) {
63+
if (!($error instanceof FormError || $error instanceof self)) {
64+
throw new InvalidArgumentException(sprintf(
65+
'The errors must be instances of '.
66+
'"\Symfony\Component\Form\FormError" or "%s". Got: "%s".',
67+
__CLASS__,
68+
is_object($error) ? get_class($error) : gettype($error)
69+
));
70+
}
71+
}
7772

78-
$this->rewind();
73+
$this->form = $form;
74+
$this->errors = $errors;
7975
}
8076

8177
/**
@@ -87,13 +83,13 @@ public function __toString()
8783
{
8884
$string = '';
8985

90-
foreach ($this->elements as $element) {
91-
if ($element instanceof FormError) {
92-
$string .= 'ERROR: '.$element->getMessage()."\n";
86+
foreach ($this->errors as $error) {
87+
if ($error instanceof FormError) {
88+
$string .= 'ERROR: '.$error->getMessage()."\n";
9389
} else {
94-
/** @var $element FormErrorIterator */
95-
$string .= $element->form->getName().":\n";
96-
$string .= self::indent((string) $element);
90+
/** @var $error FormErrorIterator */
91+
$string .= $error->form->getName().":\n";
92+
$string .= self::indent((string) $error);
9793
}
9894
}
9995

@@ -113,20 +109,20 @@ public function getForm()
113109
/**
114110
* Returns the current element of the iterator.
115111
*
116-
* @return FormError|FormErrorIterator An error or an iterator for nested
117-
* errors.
112+
* @return FormError|FormErrorIterator An error or an iterator containing
113+
* nested errors.
118114
*/
119115
public function current()
120116
{
121-
return current($this->elements);
117+
return current($this->errors);
122118
}
123119

124120
/**
125121
* Advances the iterator to the next position.
126122
*/
127123
public function next()
128124
{
129-
next($this->elements);
125+
next($this->errors);
130126
}
131127

132128
/**
@@ -136,7 +132,7 @@ public function next()
136132
*/
137133
public function key()
138134
{
139-
return key($this->elements);
135+
return key($this->errors);
140136
}
141137

142138
/**
@@ -146,7 +142,7 @@ public function key()
146142
*/
147143
public function valid()
148144
{
149-
return null !== key($this->elements);
145+
return null !== key($this->errors);
150146
}
151147

152148
/**
@@ -157,32 +153,7 @@ public function valid()
157153
*/
158154
public function rewind()
159155
{
160-
$this->elements = $this->errors;
161-
162-
if ($this->deep) {
163-
foreach ($this->form as $child) {
164-
/** @var FormInterface $child */
165-
if ($child->isSubmitted() && $child->isValid()) {
166-
continue;
167-
}
168-
169-
$iterator = $child->getErrors(true, $this->flatten);
170-
171-
if (0 === count($iterator)) {
172-
continue;
173-
}
174-
175-
if ($this->flatten) {
176-
foreach ($iterator as $error) {
177-
$this->elements[] = $error;
178-
}
179-
} else {
180-
$this->elements[] = $iterator;
181-
}
182-
}
183-
}
184-
185-
reset($this->elements);
156+
reset($this->errors);
186157
}
187158

188159
/**
@@ -194,7 +165,7 @@ public function rewind()
194165
*/
195166
public function offsetExists($position)
196167
{
197-
return isset($this->elements[$position]);
168+
return isset($this->errors[$position]);
198169
}
199170

200171
/**
@@ -208,11 +179,11 @@ public function offsetExists($position)
208179
*/
209180
public function offsetGet($position)
210181
{
211-
if (!isset($this->elements[$position])) {
182+
if (!isset($this->errors[$position])) {
212183
throw new OutOfBoundsException('The offset '.$position.' does not exist.');
213184
}
214185

215-
return $this->elements[$position];
186+
return $this->errors[$position];
216187
}
217188

218189
/**
@@ -243,15 +214,15 @@ public function offsetUnset($position)
243214
*/
244215
public function hasChildren()
245216
{
246-
return current($this->elements) instanceof self;
217+
return current($this->errors) instanceof self;
247218
}
248219

249220
/**
250221
* Alias of {@link current()}.
251222
*/
252223
public function getChildren()
253224
{
254-
return current($this->elements);
225+
return current($this->errors);
255226
}
256227

257228
/**
@@ -273,7 +244,7 @@ public function getChildren()
273244
*/
274245
public function count()
275246
{
276-
return count($this->elements);
247+
return count($this->errors);
277248
}
278249

279250
/**
@@ -285,14 +256,14 @@ public function count()
285256
*/
286257
public function seek($position)
287258
{
288-
if (!isset($this->elements[$position])) {
259+
if (!isset($this->errors[$position])) {
289260
throw new OutOfBoundsException('The offset '.$position.' does not exist.');
290261
}
291262

292-
reset($this->elements);
263+
reset($this->errors);
293264

294-
while ($position !== key($this->elements)) {
295-
next($this->elements);
265+
while ($position !== key($this->errors)) {
266+
next($this->errors);
296267
}
297268
}
298269

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