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

XMLParser.php in Import WP – CSV & XML Import Export for WordPress 2.7.7, at class/Common/Importer/Parser/XMLParser.php

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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	foreach ($sub_records as $record) {
39	$this->record_xml = $record;
40	$output[] = parent::queryGroup($group);
41	}
42
43	$this->resetQueryBase();
44	} else {
45	$output = parent::queryGroup($group);
46	}
47
48	return $output;
49	}
50
51	/**
52	* Run XML Query
53	*
54	* @param $query
55	*
56	* @param bool $as_string
57	*
58	* @return bool\|\SimpleXMLElement[]
59	*/
60	public function query($query, $as_string = true)
61	{
62	$xpath_prefix = "/record/*";
63	if ($this->getQueryBase() !== "") {
64	$xpath_prefix = '.';
65	}
66
67	if (false === $this->record_xml) {
68	return false;
69	}
70
71	$results = $this->record_xml->xpath($xpath_prefix . $query);
72	if (count($results) > 0) {
73	if ($as_string) {
74	$temp = [];
75	foreach ($results as $result) {
76	$temp[] = (string) $result;
77	}
78
79	return implode(',', $temp);
80	}
81
82	return $results;
83	}
84
85	return false;
86	}
87
88	/**
89	* Get Query Base
90	*
91	* @return string
92	*/
93	private function getQueryBase()
94	{
95	if ($this->query_base) {
96	return $this->query_base;
97	}
98
99	return '';
100	}
101
102	/**
103	* Set Query Base
104	*
105	* @param string $base
106	*/
107	private function setQueryBase($base)
108	{
109	$this->query_base = $base;
110	}
111
112	/**
113	* Reset Query Base
114	*/
115	private function resetQueryBase()
116	{
117	$this->query_base = null;
118	$this->onRecordLoaded();
119	}
120
121	/**
122	* Load record string into XML format
123	*/
124	protected function onRecordLoaded()
125	{
126	$this->record_xml = simplexml_load_string($this->record);
127	}
128
129	public function record()
130	{
131	return $this->record_xml;
132	}
133
134	/**
135	* Return list of SimpleXMLElements
136	*
137	* @param string $sub_path
138	* @param \SimpleXMLElement $record_xml
139	* @return \SimpleXMLElement[]
140	*/
141	public function getSubRecords($sub_path, $record_xml = null)
142	{
143	$xpath_prefix = '.';
144
145	if ($record_xml === null) {
146	$record_xml = $this->record_xml;
147	$xpath_prefix = "/record/*";
148	}
149
150	return $record_xml->xpath($xpath_prefix . $sub_path);
151	}
152
153	public function getString($query, $record_xml = null)
154	{
155	$result = $this->getSubRecords($query, $record_xml);
156	$output = [];
157	foreach ($result as $a) {
158	$output[] = (string) $a;
159	}
160	return implode(',', $output);
161	}
162	}
163