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<?php |
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declare(strict_types=1); |
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namespace Inspirum\XML\Formatter; |
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use DOMNode; |
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use Stringable; |
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use function array_keys; |
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use function array_merge; |
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use function count; |
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use function in_array; |
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use function is_array; |
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use function is_bool; |
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use function is_numeric; |
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use function is_scalar; |
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use function ltrim; |
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use function rtrim; |
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use function sprintf; |
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use function str_starts_with; |
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use function trim; |
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use const XML_CDATA_SECTION_NODE; |
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use const XML_TEXT_NODE; |
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final class Formatter |
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{ |
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/** |
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* Prefix namespaces with xmlns |
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* |
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* @param array<string,string> $namespaces |
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* |
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* @return array<string,string> |
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*/ |
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public static function namespacesToAttributes(array $namespaces): array |
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{ |
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$attributes = []; |
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foreach ($namespaces as $namespaceLocalName => $namespaceValue) { |
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if (str_starts_with($namespaceLocalName, 'xmlns') === false) { |
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$namespaceLocalName = rtrim(sprintf('xmlns:%s', $namespaceLocalName), ':'); |
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} |
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$attributes[$namespaceLocalName] = $namespaceValue; |
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} |
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return $attributes; |
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} |
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/** |
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* Normalize value. |
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*/ |
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public static function encodeValue(mixed $value): ?string |
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{ |
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if ($value === null) { |
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return null; |
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} |
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if (is_bool($value)) { |
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$value = $value ? 'true' : 'false'; |
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} |
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if (is_scalar($value) || $value instanceof Stringable) { |
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return (string) $value; |
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} |
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return null; |
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} |
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/** |
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* Normalize value. |
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*/ |
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public static function decodeValue(mixed $value): mixed |
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{ |
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if (is_numeric($value)) { |
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return $value + 0; |
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} |
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if (in_array($value, ['true', 'True'], true)) { |
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return true; |
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} |
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if (in_array($value, ['false', 'False'], true)) { |
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return false; |
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} |
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return $value; |
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} |
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/** |
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* Convert DOM node to array |
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*/ |
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public static function nodeToArray(DOMNode $node, Config $config): mixed |
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{ |
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return self::nodeToArrayRecursive($node, $config, 1); |
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} |
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private static function nodeToArrayRecursive(DOMNode $node, Config $config, int $depth): mixed |
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{ |
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$value = null; |
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/** @var array<string,mixed> $attributes */ |
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$attributes = []; |
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/** @var array<string,array<mixed>> $nodes */ |
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$nodes = []; |
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if ($node->hasAttributes()) { |
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/** @var \DOMAttr $attribute */ |
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foreach ($node->attributes ?? [] as $attribute) { |
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$attributes[$attribute->nodeName] = $config->isAutoCast() |
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? self::decodeValue($attribute->nodeValue) |
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: $attribute->nodeValue; |
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} |
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} |
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if ($node->hasChildNodes()) { |
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/** @var \DOMNode $child */ |
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foreach ($node->childNodes ?? [] as $child) { |
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if (in_array($child->nodeType, [XML_TEXT_NODE, XML_CDATA_SECTION_NODE])) { |
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if (trim((string) $child->nodeValue) !== '') { |
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$value = $config->isAutoCast() |
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? self::decodeValue($child->nodeValue) |
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: $child->nodeValue; |
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} |
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continue; |
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} |
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$childNodes = self::nodeToArrayRecursive($child, $config, $depth + 1); |
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if ($config->isFlatten()) { |
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self::flattenArray($nodes, $config->isWithoutRoot() && $depth === 1 ? '' : $child->nodeName, $childNodes, $config); |
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} else { |
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$nodes[$child->nodeName][] = $childNodes; |
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} |
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} |
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} |
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if ($config->isFullResponse()) { |
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return [ |
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$config->getAttributesName() => $attributes, |
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$config->getValueName() => $value, |
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$config->getNodesName() => $nodes, |
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]; |
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} |
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if (count($nodes) === 0 && count($attributes) === 0) { |
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return $value; |
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} |
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return self::simplifyArray($attributes, $value, $nodes, $config, $node); |
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} |
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/** |
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* Flatten node to one-dimensional array |
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* |
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* @param array<string,array<mixed>> $nodes |
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*/ |
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private static function flattenArray(array &$nodes, string $nodeNames, mixed $childNodes, Config $config): void |
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{ |
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if (!is_array($childNodes)) { |
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$nodes[$nodeNames][] = $childNodes; |
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return; |
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} |
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foreach ($childNodes as $childNodeName => $childNodeValues) { |
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if ($childNodeName === $config->getAttributesName() && is_array($childNodeValues)) { |
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foreach ($childNodeValues as $attributeName => $attributeValue) { |
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$nodeKey = sprintf('%s%s%s', $nodeNames, $config->getFlattenAttributes(), $attributeName); |
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$nodes[$nodeKey][] = $attributeValue; |
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} |
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} elseif ($childNodeName === $config->getValueName()) { |
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$nodes[$nodeNames][] = $childNodeValues; |
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} else { |
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$nodeKey = ltrim(sprintf('%s%s%s', $nodeNames, $config->getFlattenNodes(), $childNodeName), $config->getFlattenNodes()); |
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if (is_array($childNodeValues)) { |
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$nodes[$nodeKey] = array_merge($nodes[$nodeKey] ?? [], $childNodeValues); |
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} else { |
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$nodes[$nodeKey][] = $childNodeValues; |
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} |
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} |
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} |
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} |
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/** |
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* Remove unnecessary data |
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* |
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* @param array<string,mixed> $attributes |
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* @param array<string,array<mixed>> $nodes |
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* |
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* @return array<int|string,mixed> |
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*/ |
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private static function simplifyArray(array $attributes, mixed $value, array $nodes, Config $config, DOMNode $node): array |
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{ |
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$simpleResult = $nodes; |
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foreach ($nodes as $nodeName => $values) { |
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if ( |
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!$config->isAlwaysArray() |
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&& in_array($nodeName, $config->getAlwaysArrayNodeNames(), true) === false |
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&& in_array($node->nodeName . '.' . $nodeName, $config->getAlwaysArrayNodeNames(), true) === false |
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&& array_keys($values) === [0] |
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) { |
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$simpleResult[$nodeName] = $values[0]; |
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} |
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} |
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if (count($attributes) > 0) { |
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$simpleResult[$config->getAttributesName()] = $attributes; |
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} |
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if ($value !== null) { |
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$simpleResult[$config->getValueName()] = $value; |
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} |
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return $simpleResult; |
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} |
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} |
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inspirum /
xml-php
