305 lines
9.8 KiB
PHP
305 lines
9.8 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Config\Definition\Dumper;
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use Symfony\Component\Config\Definition\ConfigurationInterface;
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use Symfony\Component\Config\Definition\NodeInterface;
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use Symfony\Component\Config\Definition\ArrayNode;
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use Symfony\Component\Config\Definition\EnumNode;
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use Symfony\Component\Config\Definition\PrototypedArrayNode;
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/**
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* Dumps a XML reference configuration for the given configuration/node instance.
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*
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* @author Wouter J <waldio.webdesign@gmail.com>
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*/
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class XmlReferenceDumper
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{
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private $reference;
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public function dump(ConfigurationInterface $configuration, $namespace = null)
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{
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return $this->dumpNode($configuration->getConfigTreeBuilder()->buildTree(), $namespace);
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}
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public function dumpNode(NodeInterface $node, $namespace = null)
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{
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$this->reference = '';
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$this->writeNode($node, 0, true, $namespace);
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$ref = $this->reference;
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$this->reference = null;
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return $ref;
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}
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/**
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* @param NodeInterface $node
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* @param int $depth
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* @param bool $root If the node is the root node
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* @param string $namespace The namespace of the node
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*/
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private function writeNode(NodeInterface $node, $depth = 0, $root = false, $namespace = null)
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{
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$rootName = ($root ? 'config' : $node->getName());
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$rootNamespace = ($namespace ?: ($root ? 'http://example.org/schema/dic/'.$node->getName() : null));
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// xml remapping
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if ($node->getParent()) {
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$remapping = array_filter($node->getParent()->getXmlRemappings(), function ($mapping) use ($rootName) {
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return $rootName === $mapping[1];
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});
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if (count($remapping)) {
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list($singular) = current($remapping);
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$rootName = $singular;
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}
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}
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$rootName = str_replace('_', '-', $rootName);
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$rootAttributes = array();
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$rootAttributeComments = array();
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$rootChildren = array();
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$rootComments = array();
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if ($node instanceof ArrayNode) {
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$children = $node->getChildren();
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// comments about the root node
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if ($rootInfo = $node->getInfo()) {
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$rootComments[] = $rootInfo;
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}
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if ($rootNamespace) {
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$rootComments[] = 'Namespace: '.$rootNamespace;
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}
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// render prototyped nodes
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if ($node instanceof PrototypedArrayNode) {
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$prototype = $node->getPrototype();
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$info = 'prototype';
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if (null !== $prototype->getInfo()) {
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$info .= ': '.$prototype->getInfo();
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}
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array_unshift($rootComments, $info);
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if ($key = $node->getKeyAttribute()) {
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$rootAttributes[$key] = str_replace('-', ' ', $rootName).' '.$key;
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}
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if ($prototype instanceof ArrayNode) {
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$children = $prototype->getChildren();
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} else {
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if ($prototype->hasDefaultValue()) {
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$prototypeValue = $prototype->getDefaultValue();
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} else {
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switch (get_class($prototype)) {
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case 'Symfony\Component\Config\Definition\ScalarNode':
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$prototypeValue = 'scalar value';
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break;
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case 'Symfony\Component\Config\Definition\FloatNode':
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case 'Symfony\Component\Config\Definition\IntegerNode':
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$prototypeValue = 'numeric value';
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break;
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case 'Symfony\Component\Config\Definition\BooleanNode':
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$prototypeValue = 'true|false';
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break;
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case 'Symfony\Component\Config\Definition\EnumNode':
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$prototypeValue = implode('|', array_map('json_encode', $prototype->getValues()));
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break;
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default:
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$prototypeValue = 'value';
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}
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}
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}
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}
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// get attributes and elements
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foreach ($children as $child) {
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if (!$child instanceof ArrayNode) {
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// get attributes
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// metadata
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$name = str_replace('_', '-', $child->getName());
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$value = '%%%%not_defined%%%%'; // use a string which isn't used in the normal world
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// comments
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$comments = array();
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if ($info = $child->getInfo()) {
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$comments[] = $info;
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}
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if ($example = $child->getExample()) {
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$comments[] = 'Example: '.$example;
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}
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if ($child->isRequired()) {
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$comments[] = 'Required';
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}
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if ($child instanceof EnumNode) {
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$comments[] = 'One of '.implode('; ', array_map('json_encode', $child->getValues()));
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}
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if (count($comments)) {
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$rootAttributeComments[$name] = implode(";\n", $comments);
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}
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// default values
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if ($child->hasDefaultValue()) {
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$value = $child->getDefaultValue();
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}
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// append attribute
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$rootAttributes[$name] = $value;
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} else {
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// get elements
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$rootChildren[] = $child;
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}
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}
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}
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// render comments
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// root node comment
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if (count($rootComments)) {
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foreach ($rootComments as $comment) {
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$this->writeLine('<!-- '.$comment.' -->', $depth);
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}
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}
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// attribute comments
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if (count($rootAttributeComments)) {
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foreach ($rootAttributeComments as $attrName => $comment) {
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$commentDepth = $depth + 4 + strlen($attrName) + 2;
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$commentLines = explode("\n", $comment);
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$multiline = (count($commentLines) > 1);
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$comment = implode(PHP_EOL.str_repeat(' ', $commentDepth), $commentLines);
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if ($multiline) {
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$this->writeLine('<!--', $depth);
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$this->writeLine($attrName.': '.$comment, $depth + 4);
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$this->writeLine('-->', $depth);
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} else {
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$this->writeLine('<!-- '.$attrName.': '.$comment.' -->', $depth);
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}
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}
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}
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// render start tag + attributes
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$rootIsVariablePrototype = isset($prototypeValue);
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$rootIsEmptyTag = (0 === count($rootChildren) && !$rootIsVariablePrototype);
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$rootOpenTag = '<'.$rootName;
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if (1 >= ($attributesCount = count($rootAttributes))) {
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if (1 === $attributesCount) {
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$rootOpenTag .= sprintf(' %s="%s"', current(array_keys($rootAttributes)), $this->writeValue(current($rootAttributes)));
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}
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$rootOpenTag .= $rootIsEmptyTag ? ' />' : '>';
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if ($rootIsVariablePrototype) {
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$rootOpenTag .= $prototypeValue.'</'.$rootName.'>';
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}
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$this->writeLine($rootOpenTag, $depth);
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} else {
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$this->writeLine($rootOpenTag, $depth);
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$i = 1;
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foreach ($rootAttributes as $attrName => $attrValue) {
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$attr = sprintf('%s="%s"', $attrName, $this->writeValue($attrValue));
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$this->writeLine($attr, $depth + 4);
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if ($attributesCount === $i++) {
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$this->writeLine($rootIsEmptyTag ? '/>' : '>', $depth);
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if ($rootIsVariablePrototype) {
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$rootOpenTag .= $prototypeValue.'</'.$rootName.'>';
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}
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}
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}
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}
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// render children tags
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foreach ($rootChildren as $child) {
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$this->writeLine('');
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$this->writeNode($child, $depth + 4);
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}
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// render end tag
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if (!$rootIsEmptyTag && !$rootIsVariablePrototype) {
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$this->writeLine('');
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$rootEndTag = '</'.$rootName.'>';
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$this->writeLine($rootEndTag, $depth);
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}
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}
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/**
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* Outputs a single config reference line.
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*
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* @param string $text
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* @param int $indent
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*/
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private function writeLine($text, $indent = 0)
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{
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$indent = strlen($text) + $indent;
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$format = '%'.$indent.'s';
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$this->reference .= sprintf($format, $text).PHP_EOL;
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}
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/**
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* Renders the string conversion of the value.
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*
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* @param mixed $value
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*
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* @return string
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*/
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private function writeValue($value)
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{
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if ('%%%%not_defined%%%%' === $value) {
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return '';
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}
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if (is_string($value) || is_numeric($value)) {
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return $value;
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}
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if (false === $value) {
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return 'false';
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}
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if (true === $value) {
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return 'true';
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}
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if (null === $value) {
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return 'null';
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}
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if (empty($value)) {
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return '';
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}
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if (is_array($value)) {
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return implode(',', $value);
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}
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}
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}
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