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Optimize the NodeDumper (30% drop)

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This commit is contained in:
nikic 2011-06-01 20:24:47 +02:00
parent 5e91c622cc
commit 25a5301b21
1 changed files with 25 additions and 30 deletions
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55
lib/NodeDumper.php
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@ -3,42 +3,37 @@
class NodeDumper
{
/**
* Dumps a Node, scalar or array to a string.
* Dumps a node or array.
*
* @param mixed $node Value to dump
* @param array|NodeAbstract $node Node or array to dump
*
* @return string Dumped value
*/
public function dump($node) {
if (is_array($node) || $node instanceof NodeAbstract) {
if (is_array($node)) {
$r = 'array(';
} else {
$r = $node->getType() . '(';
}
foreach ($node as $key => $value) {
$r .= "\n" . ' ' . $key . ': ';
$lines = explode("\n", $this->dump($value));
$r .= array_shift($lines);
foreach ($lines as $line) {
$r .= "\n" . ' ' . $line;
}
}
return $r . "\n" . ')';
} elseif (null === $node) {
return 'null';
} elseif (false === $node) {
return 'false';
} elseif (true === $node) {
return 'true';
} elseif (is_scalar($node)) {
return $node;
if ($node instanceof NodeAbstract) {
$r = $node->getType() . '(';
} elseif (is_array($node)) {
$r = 'array(';
} else {
throw new InvalidArgumentException('Unexpected node type.');
throw new InvalidArgumentException('Can only dump nodes and arrays.');
}
foreach ($node as $key => $value) {
$r .= "\n" . ' ' . $key . ': ';
if (null === $value) {
$r .= 'null';
} elseif (false === $value) {
$r .= 'false';
} elseif (true === $value) {
$r .= 'true';
} elseif (is_scalar($value)) {
$r .= $value;
} else {
$r .= implode("\n" . ' ', explode("\n", $this->dump($value)));
}
}
return $r . "\n" . ')';
}
}