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henriquemoodyhenriquemoody
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Create XML converter
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‎README.md

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@@ -160,3 +160,12 @@ $converter->convert($storage->collectionName); // Returns the JSON but encodes n
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```
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We use `JSON_PRETTY_PRINT` as default option.
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### Xml
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Converts data into XML format.
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```php
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$converter = new Converter\Xml();
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$converter->convert($storage->collectionName); // Returns an string with the XML
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```

‎src/Converter/Xml.php

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<?php
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namespace PHPFluent\ArrayStorage\Converter;
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use DOMDocument;
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use DOMElement;
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use ReflectionObject;
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use stdClass;
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use Traversable;
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class Xml implements Converter
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{
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protected $document;
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public function __construct(DOMDocument $document = null)
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{
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if (null === $document) {
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$document = new DOMDocument('1.0', 'UTF-8');
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$document->formatOutput = true;
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}
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$this->document = $document;
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}
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protected function getNodeName($value)
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{
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if (is_object($value)) {
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return (new ReflectionObject($value))->getShortName();
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}
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return 'value';
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}
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protected function parseNode($traversable, DOMElement $parentNode)
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{
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foreach ($traversable as $key => $value) {
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$nodeName = is_int($key) ? $this->getNodeName($value) : $key;
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$childNode = $this->document->createElement($nodeName);
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$parentNode->appendChild($childNode);
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if ($value instanceof Traversable
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|| $value instanceof stdClass
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|| is_array($value)) {
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$this->parseNode($value, $childNode);
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continue;
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}
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$childNode->nodeValue = $value;
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}
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}
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public function convert(Traversable $traversable)
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{
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$name = $this->getNodeName($traversable);
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$childNode = $this->document->createElement($name);
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$this->document->appendChild($childNode);
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$this->parseNode($traversable, $childNode);
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return $this->document->saveXml();
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}
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}

‎tests/Converter/XmlTest.php

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<?php
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namespace PHPFluent\ArrayStorage\Converter;
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use DOMDocument;
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use PHPFluent\ArrayStorage\Factory;
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use PHPFluent\ArrayStorage\Storage;
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use stdClass;
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/**
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* @covers PHPFluent\ArrayStorage\Converter\Xml
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*/
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class XmlTest extends \PHPUnit_Framework_TestCase
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{
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protected $factory;
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protected function setUp()
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{
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$this->factory = new Factory();
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}
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public function testShouldAcceptAnInstanceOfDOMDocumentOnConstructor()
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{
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$document = new DOMDocument();
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$converter = new Xml($document);
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$this->assertAttributeSame($document, 'document', $converter);
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}
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public function testShouldHaveAConfiguredInstanceOfDOMDocumentByDefault()
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{
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$converter = new Xml();
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$this->assertAttributeInstanceOf('DOMDocument', 'document', $converter);
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}
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public function testShouldConvertRecord()
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{
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$converter = new Xml();
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$record = $this->factory->record();
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$record->id = 10;
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$record->name = 'Henrique Moody';
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$record->child = $this->factory->record(array('id' => 10));
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$record->ids = array(1, 2, 'keyName' => 3);
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$record->other = new stdClass();
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$record->other->foo = true;
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$record->other->bar = 'Some';
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$expectedValue = <<<XML
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<?xml version="1.0" encoding="UTF-8"?>
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<Record>
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<id>10</id>
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<name>Henrique Moody</name>
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<child>
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<id>10</id>
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</child>
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<ids>
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<value>1</value>
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<value>2</value>
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<keyName>3</keyName>
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</ids>
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<other>
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<foo>1</foo>
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<bar>Some</bar>
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</other>
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</Record>
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XML;
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$actualValue = $converter->convert($record);
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$this->assertSame($expectedValue, $actualValue);
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}
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public function testShouldConvertCollection()
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{
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$converter = new Xml();
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$record1 = $this->factory->record();
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$record2 = $this->factory->record();
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$record3 = $this->factory->record();
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$collection = $this->factory->collection();
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$collection->insert($record1);
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$collection->insert($record2);
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$collection->insert($record3);
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$expectedValue = <<<XML
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<?xml version="1.0" encoding="UTF-8"?>
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<Collection>
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<Record>
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<id>1</id>
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</Record>
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<Record>
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<id>2</id>
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</Record>
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<Record>
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<id>3</id>
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</Record>
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</Collection>
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XML;
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$actualValue = $converter->convert($collection);
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$this->assertSame($expectedValue, $actualValue);
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}
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public function testShouldConvertStorage()
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{
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$converter = new Xml();
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$record1 = $this->factory->record();
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$record2 = $this->factory->record();
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$record3 = $this->factory->record();
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$storage = new Storage($this->factory);
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$storage->whatever->insert($record1);
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$storage->whatever->insert($record2);
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$storage->whatever->insert($record3);
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$expectedValue = <<<XML
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<?xml version="1.0" encoding="UTF-8"?>
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<Storage>
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<whatever>
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<Record>
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<id>1</id>
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</Record>
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<Record>
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<id>2</id>
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</Record>
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<Record>
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<id>3</id>
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</Record>
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</whatever>
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</Storage>
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XML;
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$actualValue = $converter->convert($storage);
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$this->assertSame($expectedValue, $actualValue);
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}
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}

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