public function testParseRDFWithEmptyArray()
{
// Arrange
$a = new DataParser(json_decode('
{
"@graph": [
],
"@context": {
"page": {
"@id": "http://semantic-mediawiki.org/swivt/1.0#page",
"@type": "@id"
}
}
}
', true));
// Assert
$this->assertEquals(0, count($a->parseDataRDF()));
}
<?php
include_once __DIR__ . '/QueryBuilder.class.php';
include_once __DIR__ . '/DataParser.class.php';
include_once __DIR__ . '/visitor/NodeMapVisitor.class.php';
// Load data
$querybuilder = new QueryBuilder($_POST["depth"], $_POST["concept"]);
$query = $querybuilder->generateQuery($_POST["relations"]);
$result = file_get_contents('http://localhost:3030/ds/query?output=json&query=' . urlencode($query));
// Parse data
$parser = new DataParser(json_decode($result, true));
$objects = $parser->parseDataRDF();
// Handle data
$visitor = new NodeMapVisitor();
foreach ($objects as $object) {
$object->accept($visitor);
}
// Return JSON
echo $visitor->getUsableJSON();
