XmlImportParser.php — WP All Import – Drag & Drop Import for CSV, XML, Excel & Google Sheets 4.1.1

wp-all-import / libraries / XmlImportParser.php

wp-all-import / libraries Last commit date

XmlImportParser.php

116 lines

1	<?php
2	// phpcs:disable WordPress.NamingConventions.PrefixAllGlobals
3	/**
4	* @author Olexandr Zanichkovsky <olexandr.zanichkovsky@zophiatech.com>
5	* @author Pavel Kulbakin <p.kulbakin@gmail.com>
6	* @package General
7	*/
8
9	require_once dirname(__FILE__) . '/XmlImportTemplate.php';
10
11	/**
12	* Is used to parse XML using specified template and root node
13	*/
14	class XmlImportParser {
15	/**
16	* SimpleXmlElement instance for the xml file
17	*
18	* @var SimpleXMLElement
19	*/
20	protected $xml;
21
22	/**
23	* XPath expression for selecting the root node of the record
24	*
25	* @var string
26	*/
27	protected $rootNodeXPath;
28
29	/**
30	* Path to cached template
31	*
32	* @var string
33	*/
34	protected $cachedTemplate;
35
36	/**
37	* Creates new parser instance
38	*
39	* @param string $xml
40	* @param string $rootNodeXPath XPath for the record root node
41	* @param string $cachedTemplate path to cached template
42	* @param bool $isURL whether xml is URL or path
43	*/
44	public function __construct($xml, $rootNodeXPath, $cachedTemplate, $isURL = false)
45	{
46	if ($isURL) {
47	$xml = file_get_contents($xml);
48	}
49
50	// FIX: remove default namespace because libxml xpath implementation doesn't handle it properly
51	$xml and $xml = preg_replace('%xmlns\s=\s([\'"]).*\1%sU', '', $xml);
52
53	libxml_use_internal_errors(true);
54	try{
55	$this->xml = new SimpleXMLElement($xml);
56	} catch (Exception $e){
57	try{
58	$this->xml = new SimpleXMLElement(mb_convert_encoding( $xml, 'UTF-8', 'ISO-8859-1' ));
59	} catch (Exception $e){
60	throw new XmlImportException(esc_html($e->getMessage()));
61	}
62	}
63
64	$this->rootNodeXPath = $rootNodeXPath;
65	$this->cachedTemplate = $cachedTemplate;
66	}
67
68	/**
69	* Gets the parser results for all records or
70	* the part of them if $start and $count parameters are passed
71	*
72	* @param array[optional] $records Sequence numbers of records to import (first record corresponds to 1)
73	* @return array
74	*/
75	public function parse($records = array())
76	{
77	empty($records) or is_array($records) or $records = array($records);
78
79	$result = array();
80
81	$rootNodes = $this->xml->xpath($this->rootNodeXPath);
82	if ($rootNodes === false)
83	throw new XmlImportException(esc_html('Invalid root node XPath \'' . $this->rootNodeXPath . '\' specified'));
84
85	for ($i = 0; $i < count($rootNodes); $i++) {
86	if (empty($records) or in_array($i + 1, $records)) {
87	$rootNode = apply_filters('wpallimport_xml_row', $rootNodes[$i]);
88	$template = new XmlImportTemplate($rootNode, $this->cachedTemplate);
89	$result[] = $template->parse();
90	}
91	}
92	return $result;
93	}
94
95	/**
96	* Creates new parser instance for text template specified
97	*
98	* @param string $xml
99	* @param string $rootNodeXPath XPath for the record root node
100	* @param string $template template
101	* @param string &$file path to the cached template
102	* @return XmlImportParser
103	*/
104	public static function factory($xml, $rootNodeXPath, $template, &$file = NULL)
105	{
106
107	$scanner = new XmlImportTemplateScanner();
108	$tokens = $scanner->scan(new XmlImportStringReader($template));
109	$t_parser = new XmlImportTemplateParser($tokens);
110	$tree = $t_parser->parse();
111	$codegenerator = new XmlImportTemplateCodeGenerator($tree);
112	$file = $codegenerator->generate();
113
114	return new self($xml, $rootNodeXPath, $file);
115	}
116	}