/**
* @param NodeInterface $node
* @param int $depth
* @param bool $root If the node is the root node
* @param string $namespace The namespace of the node
*/
private function writeNode(NodeInterface $node, $depth = 0, $root = false, $namespace = null)
{
$rootName = $root ? 'config' : $node->getName();
$rootNamespace = $namespace ?: ($root ? 'http://example.org/schema/dic/' . $node->getName() : null);
// xml remapping
if ($node->getParent()) {
$remapping = array_filter($node->getParent()->getXmlRemappings(), function ($mapping) use($rootName) {
return $rootName === $mapping[1];
});
if (count($remapping)) {
list($singular) = current($remapping);
$rootName = $singular;
}
}
$rootName = str_replace('_', '-', $rootName);
$rootAttributes = array();
$rootAttributeComments = array();
$rootChildren = array();
$rootComments = array();
if ($node instanceof ArrayNode) {
$children = $node->getChildren();
// comments about the root node
if ($rootInfo = $node->getInfo()) {
$rootComments[] = $rootInfo;
}
if ($rootNamespace) {
$rootComments[] = 'Namespace: ' . $rootNamespace;
}
// render prototyped nodes
if ($node instanceof PrototypedArrayNode) {
array_unshift($rootComments, 'prototype');
if ($key = $node->getKeyAttribute()) {
$rootAttributes[$key] = str_replace('-', ' ', $rootName) . ' ' . $key;
}
$prototype = $node->getPrototype();
if ($prototype instanceof ArrayNode) {
$children = $prototype->getChildren();
} else {
if ($prototype->hasDefaultValue()) {
$prototypeValue = $prototype->getDefaultValue();
} else {
switch (get_class($prototype)) {
case 'Symfony\\Component\\Config\\Definition\\ScalarNode':
$prototypeValue = 'scalar value';
break;
case 'Symfony\\Component\\Config\\Definition\\FloatNode':
case 'Symfony\\Component\\Config\\Definition\\IntegerNode':
$prototypeValue = 'numeric value';
break;
case 'Symfony\\Component\\Config\\Definition\\BooleanNode':
$prototypeValue = 'true|false';
break;
case 'Symfony\\Component\\Config\\Definition\\EnumNode':
$prototypeValue = implode('|', array_map('json_encode', $prototype->getValues()));
break;
default:
$prototypeValue = 'value';
}
}
}
}
// get attributes and elements
foreach ($children as $child) {
if (!$child instanceof ArrayNode) {
// get attributes
// metadata
$name = str_replace('_', '-', $child->getName());
$value = '%%%%not_defined%%%%';
// use a string which isn't used in the normal world
// comments
$comments = array();
if ($info = $child->getInfo()) {
$comments[] = $info;
}
if ($example = $child->getExample()) {
$comments[] = 'Example: ' . $example;
}
if ($child->isRequired()) {
$comments[] = 'Required';
}
if ($child instanceof EnumNode) {
$comments[] = 'One of ' . implode('; ', array_map('json_encode', $child->getValues()));
}
if (count($comments)) {
$rootAttributeComments[$name] = implode(";\n", $comments);
}
// default values
if ($child->hasDefaultValue()) {
$value = $child->getDefaultValue();
}
// append attribute
$rootAttributes[$name] = $value;
} else {
// get elements
$rootChildren[] = $child;
}
}
}
// render comments
// root node comment
if (count($rootComments)) {
foreach ($rootComments as $comment) {
$this->writeLine('<!-- ' . $comment . ' -->', $depth);
}
}
// attribute comments
if (count($rootAttributeComments)) {
foreach ($rootAttributeComments as $attrName => $comment) {
$commentDepth = $depth + 4 + strlen($attrName) + 2;
$commentLines = explode("\n", $comment);
$multiline = count($commentLines) > 1;
$comment = implode(PHP_EOL . str_repeat(' ', $commentDepth), $commentLines);
if ($multiline) {
$this->writeLine('<!--', $depth);
$this->writeLine($attrName . ': ' . $comment, $depth + 4);
$this->writeLine('-->', $depth);
} else {
$this->writeLine('<!-- ' . $attrName . ': ' . $comment . ' -->', $depth);
}
}
}
// render start tag + attributes
$rootIsVariablePrototype = isset($prototypeValue);
$rootIsEmptyTag = 0 === count($rootChildren) && !$rootIsVariablePrototype;
$rootOpenTag = '<' . $rootName;
if (1 >= ($attributesCount = count($rootAttributes))) {
if (1 === $attributesCount) {
$rootOpenTag .= sprintf(' %s="%s"', current(array_keys($rootAttributes)), $this->writeValue(current($rootAttributes)));
}
$rootOpenTag .= $rootIsEmptyTag ? ' />' : '>';
if ($rootIsVariablePrototype) {
$rootOpenTag .= $prototypeValue . '</' . $rootName . '>';
}
$this->writeLine($rootOpenTag, $depth);
} else {
$this->writeLine($rootOpenTag, $depth);
$i = 1;
foreach ($rootAttributes as $attrName => $attrValue) {
$attr = sprintf('%s="%s"', $attrName, $this->writeValue($attrValue));
$this->writeLine($attr, $depth + 4);
if ($attributesCount === $i++) {
$this->writeLine($rootIsEmptyTag ? '/>' : '>', $depth);
if ($rootIsVariablePrototype) {
$rootOpenTag .= $prototypeValue . '</' . $rootName . '>';
}
}
}
}
// render children tags
foreach ($rootChildren as $child) {
$this->writeLine('');
$this->writeNode($child, $depth + 4);
}
// render end tag
if (!$rootIsEmptyTag && !$rootIsVariablePrototype) {
$this->writeLine('');
$rootEndTag = '</' . $rootName . '>';
$this->writeLine($rootEndTag, $depth);
}
}
