jc-importer / class / Common / Importer / Parser / XMLParser.php

XMLParser.php in Import WP – CSV & XML Import Export for WordPress 2.15.0, at class/Common/Importer/Parser/XMLParser.php

167 lines 3.4 KB

Raw Download Zip

1	<?php
2
3	namespace ImportWP\Common\Importer\Parser;
4
5	use ImportWP\Common\Importer\ParserInterface;
6
7	class XMLParser extends AbstractParser implements ParserInterface
8	{
9	/**
10	* XML Record
11	*
12	* @var \SimpleXMLElement
13	*/
14	private $record_xml;
15
16	/**
17	* Base path to alter query
18	*
19	* @var string
20	*/
21	private $query_base;
22
23	/**
24	* Query Group of XML Data
25	*
26	* @param $group
27	*
28	* @return array
29	*/
30	public function queryGroup($group)
31	{
32	if (isset($group['base'])) {
33
34	$output = [];
35	$sub_records = $this->query($group['base'], false);
36	$this->setQueryBase($group['base']);
37
38	if (!empty($sub_records)) {
39	foreach ($sub_records as $record) {
40	$this->record_xml = $record;
41	$output[] = parent::queryGroup($group);
42	}
43	}
44
45	$this->resetQueryBase();
46	} else {
47	$output = parent::queryGroup($group);
48	}
49
50	return $output;
51	}
52
53	/**
54	* Run XML Query
55	*
56	* @param $query
57	*
58	* @param bool $as_string
59	*
60	* @return bool\|\SimpleXMLElement[]
61	*/
62	public function query($query, $as_string = true)
63	{
64	$xpath_prefix = "/record/*";
65	if ($this->getQueryBase() !== "") {
66	$xpath_prefix = '.';
67	}
68
69	if (false === $this->record_xml) {
70	return false;
71	}
72
73	$results = $this->record_xml->xpath($xpath_prefix . $query);
74
75	// make sure the result has records
76	if (is_array($results) && count($results) > 0) {
77	if ($as_string) {
78	$temp = [];
79	foreach ($results as $result) {
80	$temp[] = (string) $result;
81	}
82
83	return implode(',', $temp);
84	}
85
86	return $results;
87	}
88
89	return false;
90	}
91
92	/**
93	* Get Query Base
94	*
95	* @return string
96	*/
97	private function getQueryBase()
98	{
99	if ($this->query_base) {
100	return $this->query_base;
101	}
102
103	return '';
104	}
105
106	/**
107	* Set Query Base
108	*
109	* @param string $base
110	*/
111	private function setQueryBase($base)
112	{
113	$this->query_base = $base;
114	}
115
116	/**
117	* Reset Query Base
118	*/
119	private function resetQueryBase()
120	{
121	$this->query_base = null;
122	$this->onRecordLoaded();
123	}
124
125	/**
126	* Load record string into XML format
127	*/
128	protected function onRecordLoaded()
129	{
130	$this->record_xml = simplexml_load_string($this->record);
131	}
132
133	public function record()
134	{
135	return $this->record_xml;
136	}
137
138	/**
139	* Return list of SimpleXMLElements
140	*
141	* @param string $sub_path
142	* @param \SimpleXMLElement $record_xml
143	* @return \SimpleXMLElement[]
144	*/
145	public function getSubRecords($sub_path, $record_xml = null)
146	{
147	$xpath_prefix = '.';
148
149	if ($record_xml === null) {
150	$record_xml = $this->record_xml;
151	$xpath_prefix = "/record/*";
152	}
153
154	return $record_xml->xpath($xpath_prefix . $sub_path);
155	}
156
157	public function getString($query, $record_xml = null)
158	{
159	$result = $this->getSubRecords($query, $record_xml);
160	$output = [];
161	foreach ($result as $a) {
162	$output[] = (string) $a;
163	}
164	return implode(',', $output);
165	}
166	}
167