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Remove XML codec

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Timothy Warren 2020-03-12 11:44:19 -04:00
parent beaeb13353
commit e6a216704c
2 changed files with 0 additions and 367 deletions
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279
src/Ion/XML.php
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@ -1,279 +0,0 @@
<?php declare(strict_types=1);
/**
* Ion
*
* Building blocks for web development
*
* PHP version 7.2
*
* @package Ion
* @author Timothy J. Warren <tim@timshomepage.net>
* @copyright 2015 - 2019 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version 3.0.0
* @link https://git.timshomepage.net/aviat/ion
*/
namespace Aviat\Ion;
use DOMDocument, DOMNode, DOMNodeList, InvalidArgumentException;
/**
* XML <=> PHP Array codec
*/
final class XML {
/**
* XML representation of the data
*
* @var string
*/
private $xml;
/**
* PHP array version of the data
*
* @var array
*/
private $data;
/**
* XML constructor
*
* @param string $xml
* @param array $data
*/
public function __construct(string $xml = '', array $data = [])
{
$this->setXML($xml)->setData($data);
}
/**
* Serialize the data to an xml string
*
* @return string
*/
public function __toString(): string
{
return static::toXML($this->getData());
}
/**
* Get the data parsed from the XML
*
* @return array
*/
public function getData(): array
{
return $this->data;
}
/**
* Set the data to create xml from
*
* @param array $data
* @return self
*/
public function setData(array $data): self
{
$this->data = $data;
return $this;
}
/**
* Get the xml created from the data
*
* @return string
*/
public function getXML(): string
{
return $this->xml;
}
/**
* Set the xml to parse the data from
*
* @param string $xml
* @return self
*/
public function setXML(string $xml): self
{
$this->xml = $xml;
return $this;
}
/**
* Parse an xml document string to a php array
*
* @param string $xml
* @return array
*/
public static function toArray(string $xml): array
{
$data = [];
$xml = static::stripXMLWhitespace($xml);
$dom = new DOMDocument();
$hasLoaded = @$dom->loadXML($xml);
if ( ! $hasLoaded)
{
throw new InvalidArgumentException('Failed to load XML');
}
$root = $dom->documentElement;
$data[$root->tagName] = [];
if ($root->hasChildNodes())
{
static::childNodesToArray($data[$root->tagName], $root->childNodes);
}
return $data;
}
/**
* Transform the array into XML
*
* @param array $data
* @return string
*/
public static function toXML(array $data): string
{
$dom = new DOMDocument();
$dom->encoding = 'UTF-8';
static::arrayPropertiesToXmlNodes($dom, $dom, $data);
return $dom->saveXML();
}
/**
* Parse the xml document string to a php array
*
* @return array
*/
public function parse(): array
{
$xml = $this->getXML();
$data = static::toArray($xml);
return $this->setData($data)->getData();
}
/**
* Transform the array into XML
*
* @return string
*/
public function createXML(): string
{
return static::toXML($this->getData());
}
/**
* Strip whitespace from raw xml to remove irrelevant text nodes
*
* @param string $xml
* @return string
*/
private static function stripXMLWhitespace(string $xml): string
{
// Get rid of unimportant text nodes by removing
// whitespace characters from between xml tags,
// except for the xml declaration tag, Which looks
// something like:
/* <?xml version="1.0" encoding="UTF-8"?> */
return preg_replace('/([^?])>\s+</', '$1><', $xml);
}
/**
* Recursively create array structure based on xml structure
*
* @param array $root A reference to the current array location
* @param DOMNodeList $nodeList The current NodeList object
* @return void
*/
private static function childNodesToArray(array &$root, DOMNodelist $nodeList): void
{
$length = $nodeList->length;
for ($i = 0; $i < $length; $i++)
{
$el = $nodeList->item($i);
$current =& $root[$el->nodeName];
// It's a top level element!
if (( ! $el->hasChildNodes()) || ($el->childNodes->item(0) instanceof \DomText))
{
$current = $el->textContent;
continue;
}
// An empty value at the current root
if ($current === NULL)
{
$current = [];
static::childNodesToArray($current, $el->childNodes);
continue;
}
$keys = array_keys($current);
// Wrap the array in a containing array
// if there are only string keys
if ( ! is_numeric($keys[0]))
{
// But if there is only one key, don't wrap it in
// an array, just recurse to parse the child nodes
if (count($current) === 1)
{
static::childNodesToArray($current, $el->childNodes);
continue;
}
$current = [$current];
}
$current[] = [];
$index = count($current) - 1;
static::childNodesToArray($current[$index], $el->childNodes);
}
}
/**
* Recursively create xml nodes from array properties
*
* @param DOMDocument $dom The current DOM object
* @param DOMNode $parent The parent element to append children to
* @param array $data The data for the current node
* @return void
*/
private static function arrayPropertiesToXmlNodes(DOMDocument $dom, DOMNode $parent, array $data): void
{
foreach ($data as $key => $props)
{
// 'Flatten' the array as you create the xml
if (is_numeric($key))
{
foreach ($props as $k => $p)
{
break;
}
}
$node = $dom->createElement($key);
if (\is_array($props))
{
static::arrayPropertiesToXmlNodes($dom, $node, $props);
} else
{
$tNode = $dom->createTextNode((string)$props);
$node->appendChild($tNode);
}
$parent->appendChild($node);
}
}
}

88
tests/Ion/XMLTest.php
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@ -1,88 +0,0 @@
<?php declare(strict_types=1);
/**
* Ion
*
* Building blocks for web development
*
* PHP version 7.2
*
* @package Ion
* @author Timothy J. Warren <tim@timshomepage.net>
* @copyright 2015 - 2019 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version 3.0.0
* @link https://git.timshomepage.net/aviat/ion
*/
namespace Aviat\Ion\Tests;
use Aviat\Ion\XML;
use PHPUnit\Framework\TestCase;
class XMLTest extends TestCase {
protected $xml;
protected $expectedXml;
protected $object;
protected $array;
public function setUp(): void {
$this->xml = file_get_contents(__DIR__ . '/test_data/XML/xmlTestFile.xml');
$this->expectedXml = file_get_contents(__DIR__ . '/test_data/XML/minifiedXmlTestFile.xml');
$this->array = [
'entry' => [
'foo' => [
'bar' => [
'baz' => 42
]
],
'episode' => '11',
'status' => 'watching',
'score' => '7',
'storage_type' => '1',
'storage_value' => '2.5',
'times_rewatched' => '1',
'rewatch_value' => '3',
'date_start' => '01152015',
'date_finish' => '10232016',
'priority' => '2',
'enable_discussion' => '0',
'enable_rewatching' => '1',
'comments' => 'Should you say something?',
'tags' => 'test tag, 2nd tag'
]
];
$this->object = new XML();
}
public function testToArray()
{
$this->assertEquals($this->array, XML::toArray($this->xml));
}
public function testParse()
{
$this->object->setXML($this->xml);
$this->assertEquals($this->array, $this->object->parse());
}
public function testToXML()
{
$this->assertEquals($this->expectedXml, XML::toXML($this->array));
}
public function testCreateXML()
{
$this->object->setData($this->array);
$this->assertEquals($this->expectedXml, $this->object->createXML());
}
public function testToString()
{
$this->object->setData($this->array);
$this->assertEquals($this->expectedXml, $this->object->__toString());
$this->assertEquals($this->expectedXml, (string)$this->object);
}
}