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

wp-all-import / libraries / ast / XmlImportAstSequence.php

wp-all-import / libraries / ast Last commit date

XmlImportAstSequence.php

162 lines

1	<?php
2	// phpcs:disable WordPress.NamingConventions.PrefixAllGlobals
3	/**
4	* @author Olexandr Zanichkovsky <olexandr.zanichkovsky@zophiatech.com>
5	* @package AST
6	*/
7
8	require_once dirname(__FILE__) . '/XmlImportAstStatement.php';
9
10	/**
11	* Represents statement sequence
12	*/
13	class XmlImportAstSequence extends XmlImportAstStatement
14	{
15
16	/**
17	* Sequence instance number
18	*
19	* @var int
20	*/
21	private static $sequenceInstanceNumber = 0;
22
23	/**
24	* Current sequence number
25	*
26	* @var int
27	*/
28	private $sequenceNumber;
29
30	/**
31	* Current variable number
32	*
33	* @var int
34	*/
35	private $varNumber = 0;
36
37	/**
38	* List of statements
39	*
40	* @var array
41	*/
42	private $statements = array();
43
44	/**
45	* Variable definitions
46	*
47	* @var array
48	*/
49	private $variableDefinitions = array();
50
51	/**
52	* Variables
53	*
54	* @var array
55	*/
56	private $variables = array();
57
58	/**
59	* Creates new instance
60	*/
61	public function __construct()
62	{
63	$this->sequenceNumber = self::$sequenceInstanceNumber++;
64	}
65
66	/**
67	* Adds statement to a sequence
68	*
69	* @param XmlImportAstStatement $statement
70	*/
71	public function addStatement(XmlImportAstStatement $statement)
72	{
73	$this->statements[] = $statement;
74	}
75
76	/**
77	* Gets the list of statements
78	*
79	* @return array
80	*/
81	public function getStatements()
82	{
83	return $this->statements;
84	}
85
86	/**
87	* Adds variable to a sequence
88	*
89	* @param XmlImportAstXPath $xpath
90	*/
91	public function addVariable(XmlImportAstXPath $xpath)
92	{
93	if (!array_key_exists($xpath->getValue(), $this->variables))
94	{
95	$var = '$v' . $this->sequenceNumber . '_' . $this->varNumber++;
96	$value = $escapedValue = strtr($xpath->getValue(), array(
97	"\n" => "\\n",
98	"\t" => "\\t",
99	"\r" => "\\r",
100	"$" => "\\$",
101	"\"" => "\\\"",
102	"\\" => "\\\\",
103	));
104	$result = $var . ' = {{XML}}->xpath("' . $value . '");';
105	$this->variables[$xpath->getValue()] = $var;
106	$this->variableDefinitions[] = $result;
107	}
108	}
109
110	/**
111	* Gets variable definitions
112	*
113	* @return array
114	*/
115	public function getVariableDefinitions()
116	{
117	return $this->variableDefinitions;
118	}
119
120	/**
121	* Gets variables
122	*
123	* @return array
124	*/
125	public function getVariables()
126	{
127	return $this->variables;
128	}
129
130	/**
131	* Returns the number of current instance
132	*
133	* @return int
134	*/
135	public function getSequenceNumber()
136	{
137	return $this->sequenceNumber;
138	}
139
140	/**
141	* String representation of a sequence node
142	*
143	* @return string
144	*/
145	public function __toString()
146	{
147	$result = "--> begin " . get_class($this) . "\n";
148	foreach ($this->getStatements() as $statement)
149	{
150	$array = explode("\n", $statement);
151	for ($i = 0; $i < count($array); $i++)
152	{
153	$array[$i] = ' ' . $array[$i];
154	}
155	$result .= implode("\n", $array) . "\n";
156	}
157
158	$result .= "--> end " . get_class($this);
159
160	return $result;
161	}
162	}