| public getNodeFrom ( Prewk\XmlStringStreamer\StreamInterface $stream ) : string | boolean | ||
| $stream | Prewk\XmlStringStreamer\StreamInterface | The stream to use |
| return | string | boolean | The next xml node or false if one could not be retrieved |
public function getNodeFrom(StreamInterface $stream)
{
while ($this->prepareChunk($stream)) {
// What's our next course of action?
if ($this->nextAction === self::FIND_OPENING_TAG_ACTION) {
// Try to find an opening tag
$positionInBlob = $this->getOpeningTagPos();
if ($positionInBlob !== false) {
// We found it, start salvaging
$this->firstNodeFound = true;
if ($this->options["extractContainer"] && $this->preCapture) {
$this->containerXml .= substr($this->workingBlob, 0, $positionInBlob);
$this->preCapture = false;
}
$this->startSalvaging($positionInBlob);
// The next course of action will be to find a closing tag
$this->nextAction = self::FIND_CLOSING_TAG_ACTION;
}
}
if ($this->nextAction === self::FIND_CLOSING_TAG_ACTION) {
// Try to find a closing tag
$positionInBlob = $this->getClosingTagPos();
if ($positionInBlob !== false) {
// We found it, we now have a full node to flush out
$this->flush($positionInBlob);
// The next course of action will be to find an opening tag
$this->nextAction = self::FIND_OPENING_TAG_ACTION;
// Get the flushed node and make way for the next node
$flushed = $this->flushed;
$this->flushed = "";
return $flushed;
}
}
}
if ($this->options["extractContainer"]) {
$this->containerXml .= $this->workingBlob;
}
return false;
} public function test_multiple_roots()
{
$node1 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>1</index>
</child>
eot;
$node2 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>2</index>
</child>
eot;
$node3 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>3</index>
</child>
eot;
$node4 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>3</index>
</child>
eot;
$xml = <<<eot
<?xml version="1.0"?>
<root-a>
{$node1}
{$node2}
</root-a>
<root-b>
{$node3}
{$node4}
</root-b>
eot;
$stream = $this->getStreamMock($xml, 50);
$parser = new UniqueNode(array("uniqueNode" => "child"));
$this->assertEquals(trim($node1), trim($parser->getNodeFrom($stream)), "Node 1 should be obtained on the first getNodeFrom from root-a");
$this->assertEquals(trim($node2), trim($parser->getNodeFrom($stream)), "Node 2 should be obtained on the second getNodeFrom from root-a");
$this->assertEquals(trim($node3), trim($parser->getNodeFrom($stream)), "Node 3 should be obtained on the third getNodeFrom from root-b");
$this->assertEquals(trim($node4), trim($parser->getNodeFrom($stream)), "Node 4 should be obtained on the third getNodeFrom from root-b");
$this->assertFalse(false, "When no nodes are left, false should be returned");
}