XmlStringStreamer.php — WP All Import – Drag & Drop Import for CSV, XML, Excel & Google Sheets trunk

wp-all-import / classes / XmlStreamReader / prewk / xml-string-streamer / src / XmlStringStreamer.php

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XmlStringStreamer 1 month ago XmlStringStreamer.php 10 years ago

XmlStringStreamer.php

77 lines

1	<?php
2	/**
3	* xml-string-streamer base class
4	*
5	* @package xml-string-streamer
6	* @author Oskar Thornblad <oskar.thornblad@gmail.com>
7	*/
8
9	namespace Prewk;
10
11	use Prewk\XmlStringStreamer\ParserInterface;
12	use Prewk\XmlStringStreamer\StreamInterface;
13	use Prewk\XmlStringStreamer\Parser;
14	use Prewk\XmlStringStreamer\Stream;
15
16	/**
17	* The base class for the xml-string-streamer
18	*/
19	class XmlStringStreamer
20	{
21	/**
22	* The current parser
23	* @var ParserInterface
24	*/
25	protected $parser;
26	/**
27	* The current stream
28	* @var StreamInterface
29	*/
30	protected $stream;
31
32	/**
33	* Constructs the XML streamer
34	* @param ParserInterface $parser A parser with options set
35	* @param StreamInterface $stream A stream for the parser to use
36	*/
37	public function __construct(ParserInterface $parser, StreamInterface $stream)
38	{
39	$this->parser = $parser;
40	$this->stream = $stream;
41	}
42
43	/**
44	* Convenience method for creating a StringWalker parser with a File stream
45	* @param string\|resource $file File path or handle
46	* @param array $options Parser configuration
47	* @return XmlStringStreamer A streamer ready for use
48	*/
49	public static function createStringWalkerParser($file, $options = array())
50	{
51	$stream = new Stream\File($file, 16384);
52	$parser = new Parser\StringWalker($options);
53	return new XmlStringStreamer($parser, $stream);
54	}
55
56	/**
57	* Convenience method for creating a UniqueNode parser with a File stream
58	* @param string\|resource $file File path or handle
59	* @param array $options Parser configuration
60	* @return XmlStringStreamer A streamer ready for use
61	*/
62	public static function createUniqueNodeParser($file, $options = array())
63	{
64	$stream = new Stream\File($file, 16384);
65	$parser = new Parser\UniqueNode($options);
66	return new XmlStringStreamer($parser, $stream);
67	}
68
69	/**
70	* Gets the next node from the parser
71	* @return bool\|string The xml string or false
72	*/
73	public function getNode()
74	{
75	return $this->parser->getNodeFrom($this->stream);
76	}
77	}