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1
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+<?php
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2
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+/**
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3
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+ * Website: http://sourceforge.net/projects/simplehtmldom/
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4
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+ * Additional projects: http://sourceforge.net/projects/debugobject/
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+ * Acknowledge: Jose Solorzano (https://sourceforge.net/projects/php-html/)
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+ *
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+ * Licensed under The MIT License
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+ * See the LICENSE file in the project root for more information.
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9
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+ *
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10
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+ * Authors:
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11
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+ * S.C. Chen
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12
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+ * John Schlick
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13
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+ * Rus Carroll
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+ * logmanoriginal
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+ *
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+ * Contributors:
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+ * Yousuke Kumakura
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+ * Vadim Voituk
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+ * Antcs
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+ *
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+ * Version Rev. 1.9.1 (291)
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+ */
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+
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+define('HDOM_TYPE_ELEMENT', 1);
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+define('HDOM_TYPE_COMMENT', 2);
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+define('HDOM_TYPE_TEXT', 3);
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+define('HDOM_TYPE_ENDTAG', 4);
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+define('HDOM_TYPE_ROOT', 5);
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+define('HDOM_TYPE_UNKNOWN', 6);
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+define('HDOM_QUOTE_DOUBLE', 0);
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+define('HDOM_QUOTE_SINGLE', 1);
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+define('HDOM_QUOTE_NO', 3);
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+define('HDOM_INFO_BEGIN', 0);
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+define('HDOM_INFO_END', 1);
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+define('HDOM_INFO_QUOTE', 2);
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+define('HDOM_INFO_SPACE', 3);
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+define('HDOM_INFO_TEXT', 4);
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+define('HDOM_INFO_INNER', 5);
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+define('HDOM_INFO_OUTER', 6);
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+define('HDOM_INFO_ENDSPACE', 7);
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+
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+defined('DEFAULT_TARGET_CHARSET') || define('DEFAULT_TARGET_CHARSET', 'UTF-8');
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+defined('DEFAULT_BR_TEXT') || define('DEFAULT_BR_TEXT', "\r\n");
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+defined('DEFAULT_SPAN_TEXT') || define('DEFAULT_SPAN_TEXT', ' ');
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+defined('MAX_FILE_SIZE') || define('MAX_FILE_SIZE', 600000);
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+define('HDOM_SMARTY_AS_TEXT', 1);
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+
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48
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+function file_get_html(
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+ $url,
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+ $use_include_path = false,
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+ $context = null,
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+ $offset = 0,
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+ $maxLen = -1,
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+ $lowercase = true,
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+ $forceTagsClosed = true,
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+ $target_charset = DEFAULT_TARGET_CHARSET,
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+ $stripRN = true,
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+ $defaultBRText = DEFAULT_BR_TEXT,
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+ $defaultSpanText = DEFAULT_SPAN_TEXT)
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+{
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+ if($maxLen <= 0) { $maxLen = MAX_FILE_SIZE; }
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+
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+ $dom = new simple_html_dom(
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+ null,
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+ $lowercase,
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+ $forceTagsClosed,
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+ $target_charset,
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+ $stripRN,
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+ $defaultBRText,
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+ $defaultSpanText
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+ );
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+
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+ /**
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+ * For sourceforge users: uncomment the next line and comment the
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+ * retrieve_url_contents line 2 lines down if it is not already done.
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+ */
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+ $arrContextOptions = [
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+ 'ssl' => [
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+ 'verify_peer' => false,
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+ 'verify_peer_name' => false,
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+ ]
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+ ];
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+
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+ $context = stream_context_create($arrContextOptions);
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+ $contents = file_get_contents(
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+ $url,
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+ $use_include_path,
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+ $context,
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+ $offset,
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+ $maxLen
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+ );
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+ // $contents = retrieve_url_contents($url);
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+
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+ if (empty($contents) || strlen($contents) > $maxLen) {
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+ $dom->clear();
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+ return false;
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+ }
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+
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+ return $dom->load($contents, $lowercase, $stripRN);
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+}
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+
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102
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+function str_get_html(
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103
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+ $str,
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104
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+ $lowercase = true,
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+ $forceTagsClosed = true,
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106
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+ $target_charset = DEFAULT_TARGET_CHARSET,
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+ $stripRN = true,
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108
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+ $defaultBRText = DEFAULT_BR_TEXT,
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+ $defaultSpanText = DEFAULT_SPAN_TEXT)
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+{
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+ $dom = new simple_html_dom(
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+ null,
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+ $lowercase,
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+ $forceTagsClosed,
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+ $target_charset,
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+ $stripRN,
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+ $defaultBRText,
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+ $defaultSpanText
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+ );
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+
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+ if (empty($str) || strlen($str) > MAX_FILE_SIZE) {
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+ $dom->clear();
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+ return false;
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+ }
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+
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+ return $dom->load($str, $lowercase, $stripRN);
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+}
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128
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+
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129
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+function dump_html_tree($node, $show_attr = true, $deep = 0)
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130
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+{
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131
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+ $node->dump($node);
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132
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+}
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133
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+
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134
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+class simple_html_dom_node
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135
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+{
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136
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+ public $nodetype = HDOM_TYPE_TEXT;
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+ public $tag = 'text';
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138
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+ public $attr = array();
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+ public $children = array();
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+ public $nodes = array();
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+ public $parent = null;
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+ public $_ = array();
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143
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+ public $tag_start = 0;
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+ private $dom = null;
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145
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+
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146
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+ function __construct($dom)
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+ {
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148
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+ $this->dom = $dom;
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149
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+ $dom->nodes[] = $this;
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+ }
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+
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152
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+ function __destruct()
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153
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+ {
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+ $this->clear();
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+ }
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+
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157
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+ function __toString()
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158
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+ {
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+ return $this->outertext();
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160
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+ }
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161
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+
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162
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+ function clear()
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163
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+ {
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164
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+ $this->dom = null;
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+ $this->nodes = null;
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166
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+ $this->parent = null;
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167
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+ $this->children = null;
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168
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+ }
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169
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+
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170
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+ function dump($show_attr = true, $depth = 0)
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+ {
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172
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+ echo str_repeat("\t", $depth) . $this->tag;
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173
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+
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174
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+ if ($show_attr && count($this->attr) > 0) {
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175
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+ echo '(';
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176
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+ foreach ($this->attr as $k => $v) {
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177
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+ echo "[$k]=>\"$v\", ";
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178
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+ }
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179
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+ echo ')';
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180
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+ }
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181
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+
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182
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+ echo "\n";
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183
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+
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184
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+ if ($this->nodes) {
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185
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+ foreach ($this->nodes as $node) {
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186
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+ $node->dump($show_attr, $depth + 1);
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187
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+ }
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188
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+ }
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189
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+ }
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190
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+
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191
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+ function dump_node($echo = true)
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192
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+ {
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193
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+ $string = $this->tag;
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194
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+
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195
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+ if (count($this->attr) > 0) {
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196
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+ $string .= '(';
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197
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+ foreach ($this->attr as $k => $v) {
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198
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+ $string .= "[$k]=>\"$v\", ";
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199
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+ }
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200
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+ $string .= ')';
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201
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+ }
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202
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+
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203
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+ if (count($this->_) > 0) {
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204
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+ $string .= ' $_ (';
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205
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+ foreach ($this->_ as $k => $v) {
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206
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+ if (is_array($v)) {
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207
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+ $string .= "[$k]=>(";
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208
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+ foreach ($v as $k2 => $v2) {
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209
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+ $string .= "[$k2]=>\"$v2\", ";
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210
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+ }
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211
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+ $string .= ')';
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212
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+ } else {
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213
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+ $string .= "[$k]=>\"$v\", ";
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214
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+ }
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215
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+ }
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216
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+ $string .= ')';
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217
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+ }
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218
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+
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219
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+ if (isset($this->text)) {
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220
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+ $string .= " text: ({$this->text})";
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221
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+ }
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222
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+
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223
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+ $string .= ' HDOM_INNER_INFO: ';
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224
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+
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225
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+ if (isset($node->_[HDOM_INFO_INNER])) {
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226
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+ $string .= "'" . $node->_[HDOM_INFO_INNER] . "'";
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227
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+ } else {
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228
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+ $string .= ' NULL ';
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229
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+ }
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230
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+
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231
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+ $string .= ' children: ' . count($this->children);
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232
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+ $string .= ' nodes: ' . count($this->nodes);
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233
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+ $string .= ' tag_start: ' . $this->tag_start;
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234
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+ $string .= "\n";
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235
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+
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236
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+ if ($echo) {
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237
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+ echo $string;
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238
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+ return;
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239
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+ } else {
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240
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+ return $string;
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241
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+ }
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242
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+ }
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243
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+
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244
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+ function parent($parent = null)
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245
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+ {
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246
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+ // I am SURE that this doesn't work properly.
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247
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+ // It fails to unset the current node from it's current parents nodes or
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248
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+ // children list first.
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249
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+ if ($parent !== null) {
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250
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+ $this->parent = $parent;
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251
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+ $this->parent->nodes[] = $this;
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252
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+ $this->parent->children[] = $this;
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253
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+ }
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254
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+
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255
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+ return $this->parent;
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256
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+ }
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257
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+
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258
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+ function has_child()
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259
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+ {
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260
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+ return !empty($this->children);
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261
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+ }
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262
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+
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263
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+ function children($idx = -1)
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264
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+ {
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265
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+ if ($idx === -1) {
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266
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+ return $this->children;
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267
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+ }
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268
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+
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269
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+ if (isset($this->children[$idx])) {
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270
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+ return $this->children[$idx];
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|
271
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+ }
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272
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+
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273
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+ return null;
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274
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+ }
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|
275
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+
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|
276
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+ function first_child()
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|
277
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+ {
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278
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+ if (count($this->children) > 0) {
|
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|
279
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+ return $this->children[0];
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|
280
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+ }
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|
281
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+ return null;
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282
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+ }
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|
283
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+
|
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|
284
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+ function last_child()
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|
|
285
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+ {
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|
286
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+ if (count($this->children) > 0) {
|
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|
287
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+ return end($this->children);
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|
288
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+ }
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|
289
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+ return null;
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|
290
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+ }
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|
291
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+
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|
292
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+ function next_sibling()
|
|
|
|
293
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+ {
|
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|
|
294
|
+ if ($this->parent === null) {
|
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|
|
295
|
+ return null;
|
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|
|
296
|
+ }
|
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|
|
297
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+
|
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|
298
|
+ $idx = array_search($this, $this->parent->children, true);
|
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|
|
299
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+
|
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|
|
300
|
+ if ($idx !== false && isset($this->parent->children[$idx + 1])) {
|
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|
|
301
|
+ return $this->parent->children[$idx + 1];
|
|
|
|
302
|
+ }
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|
303
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+
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|
304
|
+ return null;
|
|
|
|
305
|
+ }
|
|
|
|
306
|
+
|
|
|
|
307
|
+ function prev_sibling()
|
|
|
|
308
|
+ {
|
|
|
|
309
|
+ if ($this->parent === null) {
|
|
|
|
310
|
+ return null;
|
|
|
|
311
|
+ }
|
|
|
|
312
|
+
|
|
|
|
313
|
+ $idx = array_search($this, $this->parent->children, true);
|
|
|
|
314
|
+
|
|
|
|
315
|
+ if ($idx !== false && $idx > 0) {
|
|
|
|
316
|
+ return $this->parent->children[$idx - 1];
|
|
|
|
317
|
+ }
|
|
|
|
318
|
+
|
|
|
|
319
|
+ return null;
|
|
|
|
320
|
+ }
|
|
|
|
321
|
+
|
|
|
|
322
|
+ function find_ancestor_tag($tag)
|
|
|
|
323
|
+ {
|
|
|
|
324
|
+ global $debug_object;
|
|
|
|
325
|
+ if (is_object($debug_object)) { $debug_object->debug_log_entry(1); }
|
|
|
|
326
|
+
|
|
|
|
327
|
+ if ($this->parent === null) {
|
|
|
|
328
|
+ return null;
|
|
|
|
329
|
+ }
|
|
|
|
330
|
+
|
|
|
|
331
|
+ $ancestor = $this->parent;
|
|
|
|
332
|
+
|
|
|
|
333
|
+ while (!is_null($ancestor)) {
|
|
|
|
334
|
+ if (is_object($debug_object)) {
|
|
|
|
335
|
+ $debug_object->debug_log(2, 'Current tag is: ' . $ancestor->tag);
|
|
|
|
336
|
+ }
|
|
|
|
337
|
+
|
|
|
|
338
|
+ if ($ancestor->tag === $tag) {
|
|
|
|
339
|
+ break;
|
|
|
|
340
|
+ }
|
|
|
|
341
|
+
|
|
|
|
342
|
+ $ancestor = $ancestor->parent;
|
|
|
|
343
|
+ }
|
|
|
|
344
|
+
|
|
|
|
345
|
+ return $ancestor;
|
|
|
|
346
|
+ }
|
|
|
|
347
|
+
|
|
|
|
348
|
+ function innertext()
|
|
|
|
349
|
+ {
|
|
|
|
350
|
+ if (isset($this->_[HDOM_INFO_INNER])) {
|
|
|
|
351
|
+ return $this->_[HDOM_INFO_INNER];
|
|
|
|
352
|
+ }
|
|
|
|
353
|
+
|
|
|
|
354
|
+ if (isset($this->_[HDOM_INFO_TEXT])) {
|
|
|
|
355
|
+ return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]);
|
|
|
|
356
|
+ }
|
|
|
|
357
|
+
|
|
|
|
358
|
+ $ret = '';
|
|
|
|
359
|
+
|
|
|
|
360
|
+ foreach ($this->nodes as $n) {
|
|
|
|
361
|
+ $ret .= $n->outertext();
|
|
|
|
362
|
+ }
|
|
|
|
363
|
+
|
|
|
|
364
|
+ return $ret;
|
|
|
|
365
|
+ }
|
|
|
|
366
|
+
|
|
|
|
367
|
+ function outertext()
|
|
|
|
368
|
+ {
|
|
|
|
369
|
+ global $debug_object;
|
|
|
|
370
|
+
|
|
|
|
371
|
+ if (is_object($debug_object)) {
|
|
|
|
372
|
+ $text = '';
|
|
|
|
373
|
+
|
|
|
|
374
|
+ if ($this->tag === 'text') {
|
|
|
|
375
|
+ if (!empty($this->text)) {
|
|
|
|
376
|
+ $text = ' with text: ' . $this->text;
|
|
|
|
377
|
+ }
|
|
|
|
378
|
+ }
|
|
|
|
379
|
+
|
|
|
|
380
|
+ $debug_object->debug_log(1, 'Innertext of tag: ' . $this->tag . $text);
|
|
|
|
381
|
+ }
|
|
|
|
382
|
+
|
|
|
|
383
|
+ if ($this->tag === 'root') {
|
|
|
|
384
|
+ return $this->innertext();
|
|
|
|
385
|
+ }
|
|
|
|
386
|
+
|
|
|
|
387
|
+ // todo: What is the use of this callback? Remove?
|
|
|
|
388
|
+ if ($this->dom && $this->dom->callback !== null) {
|
|
|
|
389
|
+ call_user_func_array($this->dom->callback, array($this));
|
|
|
|
390
|
+ }
|
|
|
|
391
|
+
|
|
|
|
392
|
+ if (isset($this->_[HDOM_INFO_OUTER])) {
|
|
|
|
393
|
+ return $this->_[HDOM_INFO_OUTER];
|
|
|
|
394
|
+ }
|
|
|
|
395
|
+
|
|
|
|
396
|
+ if (isset($this->_[HDOM_INFO_TEXT])) {
|
|
|
|
397
|
+ return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]);
|
|
|
|
398
|
+ }
|
|
|
|
399
|
+
|
|
|
|
400
|
+ $ret = '';
|
|
|
|
401
|
+
|
|
|
|
402
|
+ if ($this->dom && $this->dom->nodes[$this->_[HDOM_INFO_BEGIN]]) {
|
|
|
|
403
|
+ $ret = $this->dom->nodes[$this->_[HDOM_INFO_BEGIN]]->makeup();
|
|
|
|
404
|
+ }
|
|
|
|
405
|
+
|
|
|
|
406
|
+ if (isset($this->_[HDOM_INFO_INNER])) {
|
|
|
|
407
|
+ // todo: <br> should either never have HDOM_INFO_INNER or always
|
|
|
|
408
|
+ if ($this->tag !== 'br') {
|
|
|
|
409
|
+ $ret .= $this->_[HDOM_INFO_INNER];
|
|
|
|
410
|
+ }
|
|
|
|
411
|
+ } elseif ($this->nodes) {
|
|
|
|
412
|
+ foreach ($this->nodes as $n) {
|
|
|
|
413
|
+ $ret .= $this->convert_text($n->outertext());
|
|
|
|
414
|
+ }
|
|
|
|
415
|
+ }
|
|
|
|
416
|
+
|
|
|
|
417
|
+ if (isset($this->_[HDOM_INFO_END]) && $this->_[HDOM_INFO_END] != 0) {
|
|
|
|
418
|
+ $ret .= '</' . $this->tag . '>';
|
|
|
|
419
|
+ }
|
|
|
|
420
|
+
|
|
|
|
421
|
+ return $ret;
|
|
|
|
422
|
+ }
|
|
|
|
423
|
+
|
|
|
|
424
|
+ function text()
|
|
|
|
425
|
+ {
|
|
|
|
426
|
+ if (isset($this->_[HDOM_INFO_INNER])) {
|
|
|
|
427
|
+ return $this->_[HDOM_INFO_INNER];
|
|
|
|
428
|
+ }
|
|
|
|
429
|
+
|
|
|
|
430
|
+ switch ($this->nodetype) {
|
|
|
|
431
|
+ case HDOM_TYPE_TEXT: return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]);
|
|
|
|
432
|
+ case HDOM_TYPE_COMMENT: return '';
|
|
|
|
433
|
+ case HDOM_TYPE_UNKNOWN: return '';
|
|
|
|
434
|
+ }
|
|
|
|
435
|
+
|
|
|
|
436
|
+ if (strcasecmp($this->tag, 'script') === 0) { return ''; }
|
|
|
|
437
|
+ if (strcasecmp($this->tag, 'style') === 0) { return ''; }
|
|
|
|
438
|
+
|
|
|
|
439
|
+ $ret = '';
|
|
|
|
440
|
+
|
|
|
|
441
|
+ // In rare cases, (always node type 1 or HDOM_TYPE_ELEMENT - observed
|
|
|
|
442
|
+ // for some span tags, and some p tags) $this->nodes is set to NULL.
|
|
|
|
443
|
+ // NOTE: This indicates that there is a problem where it's set to NULL
|
|
|
|
444
|
+ // without a clear happening.
|
|
|
|
445
|
+ // WHY is this happening?
|
|
|
|
446
|
+ if (!is_null($this->nodes)) {
|
|
|
|
447
|
+ foreach ($this->nodes as $n) {
|
|
|
|
448
|
+ // Start paragraph after a blank line
|
|
|
|
449
|
+ if ($n->tag === 'p') {
|
|
|
|
450
|
+ $ret = trim($ret) . "\n\n";
|
|
|
|
451
|
+ }
|
|
|
|
452
|
+
|
|
|
|
453
|
+ $ret .= $this->convert_text($n->text());
|
|
|
|
454
|
+
|
|
|
|
455
|
+ // If this node is a span... add a space at the end of it so
|
|
|
|
456
|
+ // multiple spans don't run into each other. This is plaintext
|
|
|
|
457
|
+ // after all.
|
|
|
|
458
|
+ if ($n->tag === 'span') {
|
|
|
|
459
|
+ $ret .= $this->dom->default_span_text;
|
|
|
|
460
|
+ }
|
|
|
|
461
|
+ }
|
|
|
|
462
|
+ }
|
|
|
|
463
|
+ return $ret;
|
|
|
|
464
|
+ }
|
|
|
|
465
|
+
|
|
|
|
466
|
+ function xmltext()
|
|
|
|
467
|
+ {
|
|
|
|
468
|
+ $ret = $this->innertext();
|
|
|
|
469
|
+ $ret = str_ireplace('<![CDATA[', '', $ret);
|
|
|
|
470
|
+ $ret = str_replace(']]>', '', $ret);
|
|
|
|
471
|
+ return $ret;
|
|
|
|
472
|
+ }
|
|
|
|
473
|
+
|
|
|
|
474
|
+ function makeup()
|
|
|
|
475
|
+ {
|
|
|
|
476
|
+ // text, comment, unknown
|
|
|
|
477
|
+ if (isset($this->_[HDOM_INFO_TEXT])) {
|
|
|
|
478
|
+ return $this->dom->restore_noise($this->_[HDOM_INFO_TEXT]);
|
|
|
|
479
|
+ }
|
|
|
|
480
|
+
|
|
|
|
481
|
+ $ret = '<' . $this->tag;
|
|
|
|
482
|
+ $i = -1;
|
|
|
|
483
|
+
|
|
|
|
484
|
+ foreach ($this->attr as $key => $val) {
|
|
|
|
485
|
+ ++$i;
|
|
|
|
486
|
+
|
|
|
|
487
|
+ // skip removed attribute
|
|
|
|
488
|
+ if ($val === null || $val === false) { continue; }
|
|
|
|
489
|
+
|
|
|
|
490
|
+ $ret .= $this->_[HDOM_INFO_SPACE][$i][0];
|
|
|
|
491
|
+
|
|
|
|
492
|
+ //no value attr: nowrap, checked selected...
|
|
|
|
493
|
+ if ($val === true) {
|
|
|
|
494
|
+ $ret .= $key;
|
|
|
|
495
|
+ } else {
|
|
|
|
496
|
+ switch ($this->_[HDOM_INFO_QUOTE][$i])
|
|
|
|
497
|
+ {
|
|
|
|
498
|
+ case HDOM_QUOTE_DOUBLE: $quote = '"'; break;
|
|
|
|
499
|
+ case HDOM_QUOTE_SINGLE: $quote = '\''; break;
|
|
|
|
500
|
+ default: $quote = '';
|
|
|
|
501
|
+ }
|
|
|
|
502
|
+
|
|
|
|
503
|
+ $ret .= $key
|
|
|
|
504
|
+ . $this->_[HDOM_INFO_SPACE][$i][1]
|
|
|
|
505
|
+ . '='
|
|
|
|
506
|
+ . $this->_[HDOM_INFO_SPACE][$i][2]
|
|
|
|
507
|
+ . $quote
|
|
|
|
508
|
+ . $val
|
|
|
|
509
|
+ . $quote;
|
|
|
|
510
|
+ }
|
|
|
|
511
|
+ }
|
|
|
|
512
|
+
|
|
|
|
513
|
+ $ret = $this->dom->restore_noise($ret);
|
|
|
|
514
|
+ return $ret . $this->_[HDOM_INFO_ENDSPACE] . '>';
|
|
|
|
515
|
+ }
|
|
|
|
516
|
+
|
|
|
|
517
|
+ function find($selector, $idx = null, $lowercase = false)
|
|
|
|
518
|
+ {
|
|
|
|
519
|
+ $selectors = $this->parse_selector($selector);
|
|
|
|
520
|
+ if (($count = count($selectors)) === 0) { return array(); }
|
|
|
|
521
|
+ $found_keys = array();
|
|
|
|
522
|
+
|
|
|
|
523
|
+ // find each selector
|
|
|
|
524
|
+ for ($c = 0; $c < $count; ++$c) {
|
|
|
|
525
|
+ // The change on the below line was documented on the sourceforge
|
|
|
|
526
|
+ // code tracker id 2788009
|
|
|
|
527
|
+ // used to be: if (($levle=count($selectors[0]))===0) return array();
|
|
|
|
528
|
+ if (($levle = count($selectors[$c])) === 0) { return array(); }
|
|
|
|
529
|
+ if (!isset($this->_[HDOM_INFO_BEGIN])) { return array(); }
|
|
|
|
530
|
+
|
|
|
|
531
|
+ $head = array($this->_[HDOM_INFO_BEGIN] => 1);
|
|
|
|
532
|
+ $cmd = ' '; // Combinator
|
|
|
|
533
|
+
|
|
|
|
534
|
+ // handle descendant selectors, no recursive!
|
|
|
|
535
|
+ for ($l = 0; $l < $levle; ++$l) {
|
|
|
|
536
|
+ $ret = array();
|
|
|
|
537
|
+
|
|
|
|
538
|
+ foreach ($head as $k => $v) {
|
|
|
|
539
|
+ $n = ($k === -1) ? $this->dom->root : $this->dom->nodes[$k];
|
|
|
|
540
|
+ //PaperG - Pass this optional parameter on to the seek function.
|
|
|
|
541
|
+ $n->seek($selectors[$c][$l], $ret, $cmd, $lowercase);
|
|
|
|
542
|
+ }
|
|
|
|
543
|
+
|
|
|
|
544
|
+ $head = $ret;
|
|
|
|
545
|
+ $cmd = $selectors[$c][$l][4]; // Next Combinator
|
|
|
|
546
|
+ }
|
|
|
|
547
|
+
|
|
|
|
548
|
+ foreach ($head as $k => $v) {
|
|
|
|
549
|
+ if (!isset($found_keys[$k])) {
|
|
|
|
550
|
+ $found_keys[$k] = 1;
|
|
|
|
551
|
+ }
|
|
|
|
552
|
+ }
|
|
|
|
553
|
+ }
|
|
|
|
554
|
+
|
|
|
|
555
|
+ // sort keys
|
|
|
|
556
|
+ ksort($found_keys);
|
|
|
|
557
|
+
|
|
|
|
558
|
+ $found = array();
|
|
|
|
559
|
+ foreach ($found_keys as $k => $v) {
|
|
|
|
560
|
+ $found[] = $this->dom->nodes[$k];
|
|
|
|
561
|
+ }
|
|
|
|
562
|
+
|
|
|
|
563
|
+ // return nth-element or array
|
|
|
|
564
|
+ if (is_null($idx)) { return $found; }
|
|
|
|
565
|
+ elseif ($idx < 0) { $idx = count($found) + $idx; }
|
|
|
|
566
|
+ return (isset($found[$idx])) ? $found[$idx] : null;
|
|
|
|
567
|
+ }
|
|
|
|
568
|
+
|
|
|
|
569
|
+ protected function seek($selector, &$ret, $parent_cmd, $lowercase = false)
|
|
|
|
570
|
+ {
|
|
|
|
571
|
+ global $debug_object;
|
|
|
|
572
|
+ if (is_object($debug_object)) { $debug_object->debug_log_entry(1); }
|
|
|
|
573
|
+
|
|
|
|
574
|
+ list($tag, $id, $class, $attributes, $cmb) = $selector;
|
|
|
|
575
|
+ $nodes = array();
|
|
|
|
576
|
+
|
|
|
|
577
|
+ if ($parent_cmd === ' ') { // Descendant Combinator
|
|
|
|
578
|
+ // Find parent closing tag if the current element doesn't have a closing
|
|
|
|
579
|
+ // tag (i.e. void element)
|
|
|
|
580
|
+ $end = (!empty($this->_[HDOM_INFO_END])) ? $this->_[HDOM_INFO_END] : 0;
|
|
|
|
581
|
+ if ($end == 0) {
|
|
|
|
582
|
+ $parent = $this->parent;
|
|
|
|
583
|
+ while (!isset($parent->_[HDOM_INFO_END]) && $parent !== null) {
|
|
|
|
584
|
+ $end -= 1;
|
|
|
|
585
|
+ $parent = $parent->parent;
|
|
|
|
586
|
+ }
|
|
|
|
587
|
+ $end += $parent->_[HDOM_INFO_END];
|
|
|
|
588
|
+ }
|
|
|
|
589
|
+
|
|
|
|
590
|
+ // Get list of target nodes
|
|
|
|
591
|
+ $nodes_start = $this->_[HDOM_INFO_BEGIN] + 1;
|
|
|
|
592
|
+ $nodes_count = $end - $nodes_start;
|
|
|
|
593
|
+ $nodes = array_slice($this->dom->nodes, $nodes_start, $nodes_count, true);
|
|
|
|
594
|
+ } elseif ($parent_cmd === '>') { // Child Combinator
|
|
|
|
595
|
+ $nodes = $this->children;
|
|
|
|
596
|
+ } elseif ($parent_cmd === '+'
|
|
|
|
597
|
+ && $this->parent
|
|
|
|
598
|
+ && in_array($this, $this->parent->children)) { // Next-Sibling Combinator
|
|
|
|
599
|
+ $index = array_search($this, $this->parent->children, true) + 1;
|
|
|
|
600
|
+ if ($index < count($this->parent->children))
|
|
|
|
601
|
+ $nodes[] = $this->parent->children[$index];
|
|
|
|
602
|
+ } elseif ($parent_cmd === '~'
|
|
|
|
603
|
+ && $this->parent
|
|
|
|
604
|
+ && in_array($this, $this->parent->children)) { // Subsequent Sibling Combinator
|
|
|
|
605
|
+ $index = array_search($this, $this->parent->children, true);
|
|
|
|
606
|
+ $nodes = array_slice($this->parent->children, $index);
|
|
|
|
607
|
+ }
|
|
|
|
608
|
+
|
|
|
|
609
|
+ // Go throgh each element starting at this element until the end tag
|
|
|
|
610
|
+ // Note: If this element is a void tag, any previous void element is
|
|
|
|
611
|
+ // skipped.
|
|
|
|
612
|
+ foreach($nodes as $node) {
|
|
|
|
613
|
+ $pass = true;
|
|
|
|
614
|
+
|
|
|
|
615
|
+ // Skip root nodes
|
|
|
|
616
|
+ if(!$node->parent) {
|
|
|
|
617
|
+ $pass = false;
|
|
|
|
618
|
+ }
|
|
|
|
619
|
+
|
|
|
|
620
|
+ // Handle 'text' selector
|
|
|
|
621
|
+ if($pass && $tag === 'text' && $node->tag === 'text') {
|
|
|
|
622
|
+ $ret[array_search($node, $this->dom->nodes, true)] = 1;
|
|
|
|
623
|
+ unset($node);
|
|
|
|
624
|
+ continue;
|
|
|
|
625
|
+ }
|
|
|
|
626
|
+
|
|
|
|
627
|
+ // Skip if node isn't a child node (i.e. text nodes)
|
|
|
|
628
|
+ if($pass && !in_array($node, $node->parent->children, true)) {
|
|
|
|
629
|
+ $pass = false;
|
|
|
|
630
|
+ }
|
|
|
|
631
|
+
|
|
|
|
632
|
+ // Skip if tag doesn't match
|
|
|
|
633
|
+ if ($pass && $tag !== '' && $tag !== $node->tag && $tag !== '*') {
|
|
|
|
634
|
+ $pass = false;
|
|
|
|
635
|
+ }
|
|
|
|
636
|
+
|
|
|
|
637
|
+ // Skip if ID doesn't exist
|
|
|
|
638
|
+ if ($pass && $id !== '' && !isset($node->attr['id'])) {
|
|
|
|
639
|
+ $pass = false;
|
|
|
|
640
|
+ }
|
|
|
|
641
|
+
|
|
|
|
642
|
+ // Check if ID matches
|
|
|
|
643
|
+ if ($pass && $id !== '' && isset($node->attr['id'])) {
|
|
|
|
644
|
+ // Note: Only consider the first ID (as browsers do)
|
|
|
|
645
|
+ $node_id = explode(' ', trim($node->attr['id']))[0];
|
|
|
|
646
|
+
|
|
|
|
647
|
+ if($id !== $node_id) { $pass = false; }
|
|
|
|
648
|
+ }
|
|
|
|
649
|
+
|
|
|
|
650
|
+ // Check if all class(es) exist
|
|
|
|
651
|
+ if ($pass && $class !== '' && is_array($class) && !empty($class)) {
|
|
|
|
652
|
+ if (isset($node->attr['class'])) {
|
|
|
|
653
|
+ $node_classes = explode(' ', $node->attr['class']);
|
|
|
|
654
|
+
|
|
|
|
655
|
+ if ($lowercase) {
|
|
|
|
656
|
+ $node_classes = array_map('strtolower', $node_classes);
|
|
|
|
657
|
+ }
|
|
|
|
658
|
+
|
|
|
|
659
|
+ foreach($class as $c) {
|
|
|
|
660
|
+ if(!in_array($c, $node_classes)) {
|
|
|
|
661
|
+ $pass = false;
|
|
|
|
662
|
+ break;
|
|
|
|
663
|
+ }
|
|
|
|
664
|
+ }
|
|
|
|
665
|
+ } else {
|
|
|
|
666
|
+ $pass = false;
|
|
|
|
667
|
+ }
|
|
|
|
668
|
+ }
|
|
|
|
669
|
+
|
|
|
|
670
|
+ // Check attributes
|
|
|
|
671
|
+ if ($pass
|
|
|
|
672
|
+ && $attributes !== ''
|
|
|
|
673
|
+ && is_array($attributes)
|
|
|
|
674
|
+ && !empty($attributes)) {
|
|
|
|
675
|
+ foreach($attributes as $a) {
|
|
|
|
676
|
+ list (
|
|
|
|
677
|
+ $att_name,
|
|
|
|
678
|
+ $att_expr,
|
|
|
|
679
|
+ $att_val,
|
|
|
|
680
|
+ $att_inv,
|
|
|
|
681
|
+ $att_case_sensitivity
|
|
|
|
682
|
+ ) = $a;
|
|
|
|
683
|
+
|
|
|
|
684
|
+ // Handle indexing attributes (i.e. "[2]")
|
|
|
|
685
|
+ /**
|
|
|
|
686
|
+ * Note: This is not supported by the CSS Standard but adds
|
|
|
|
687
|
+ * the ability to select items compatible to XPath (i.e.
|
|
|
|
688
|
+ * the 3rd element within it's parent).
|
|
|
|
689
|
+ *
|
|
|
|
690
|
+ * Note: This doesn't conflict with the CSS Standard which
|
|
|
|
691
|
+ * doesn't work on numeric attributes anyway.
|
|
|
|
692
|
+ */
|
|
|
|
693
|
+ if (is_numeric($att_name)
|
|
|
|
694
|
+ && $att_expr === ''
|
|
|
|
695
|
+ && $att_val === '') {
|
|
|
|
696
|
+ $count = 0;
|
|
|
|
697
|
+
|
|
|
|
698
|
+ // Find index of current element in parent
|
|
|
|
699
|
+ foreach ($node->parent->children as $c) {
|
|
|
|
700
|
+ if ($c->tag === $node->tag) ++$count;
|
|
|
|
701
|
+ if ($c === $node) break;
|
|
|
|
702
|
+ }
|
|
|
|
703
|
+
|
|
|
|
704
|
+ // If this is the correct node, continue with next
|
|
|
|
705
|
+ // attribute
|
|
|
|
706
|
+ if ($count === (int)$att_name) continue;
|
|
|
|
707
|
+ }
|
|
|
|
708
|
+
|
|
|
|
709
|
+ // Check attribute availability
|
|
|
|
710
|
+ if ($att_inv) { // Attribute should NOT be set
|
|
|
|
711
|
+ if (isset($node->attr[$att_name])) {
|
|
|
|
712
|
+ $pass = false;
|
|
|
|
713
|
+ break;
|
|
|
|
714
|
+ }
|
|
|
|
715
|
+ } else { // Attribute should be set
|
|
|
|
716
|
+ // todo: "plaintext" is not a valid CSS selector!
|
|
|
|
717
|
+ if ($att_name !== 'plaintext'
|
|
|
|
718
|
+ && !isset($node->attr[$att_name])) {
|
|
|
|
719
|
+ $pass = false;
|
|
|
|
720
|
+ break;
|
|
|
|
721
|
+ }
|
|
|
|
722
|
+ }
|
|
|
|
723
|
+
|
|
|
|
724
|
+ // Continue with next attribute if expression isn't defined
|
|
|
|
725
|
+ if ($att_expr === '') continue;
|
|
|
|
726
|
+
|
|
|
|
727
|
+ // If they have told us that this is a "plaintext"
|
|
|
|
728
|
+ // search then we want the plaintext of the node - right?
|
|
|
|
729
|
+ // todo "plaintext" is not a valid CSS selector!
|
|
|
|
730
|
+ if ($att_name === 'plaintext') {
|
|
|
|
731
|
+ $nodeKeyValue = $node->text();
|
|
|
|
732
|
+ } else {
|
|
|
|
733
|
+ $nodeKeyValue = $node->attr[$att_name];
|
|
|
|
734
|
+ }
|
|
|
|
735
|
+
|
|
|
|
736
|
+ if (is_object($debug_object)) {
|
|
|
|
737
|
+ $debug_object->debug_log(2,
|
|
|
|
738
|
+ 'testing node: '
|
|
|
|
739
|
+ . $node->tag
|
|
|
|
740
|
+ . ' for attribute: '
|
|
|
|
741
|
+ . $att_name
|
|
|
|
742
|
+ . $att_expr
|
|
|
|
743
|
+ . $att_val
|
|
|
|
744
|
+ . ' where nodes value is: '
|
|
|
|
745
|
+ . $nodeKeyValue
|
|
|
|
746
|
+ );
|
|
|
|
747
|
+ }
|
|
|
|
748
|
+
|
|
|
|
749
|
+ // If lowercase is set, do a case insensitive test of
|
|
|
|
750
|
+ // the value of the selector.
|
|
|
|
751
|
+ if ($lowercase) {
|
|
|
|
752
|
+ $check = $this->match(
|
|
|
|
753
|
+ $att_expr,
|
|
|
|
754
|
+ strtolower($att_val),
|
|
|
|
755
|
+ strtolower($nodeKeyValue),
|
|
|
|
756
|
+ $att_case_sensitivity
|
|
|
|
757
|
+ );
|
|
|
|
758
|
+ } else {
|
|
|
|
759
|
+ $check = $this->match(
|
|
|
|
760
|
+ $att_expr,
|
|
|
|
761
|
+ $att_val,
|
|
|
|
762
|
+ $nodeKeyValue,
|
|
|
|
763
|
+ $att_case_sensitivity
|
|
|
|
764
|
+ );
|
|
|
|
765
|
+ }
|
|
|
|
766
|
+
|
|
|
|
767
|
+ if (is_object($debug_object)) {
|
|
|
|
768
|
+ $debug_object->debug_log(2,
|
|
|
|
769
|
+ 'after match: '
|
|
|
|
770
|
+ . ($check ? 'true' : 'false')
|
|
|
|
771
|
+ );
|
|
|
|
772
|
+ }
|
|
|
|
773
|
+
|
|
|
|
774
|
+ if (!$check) {
|
|
|
|
775
|
+ $pass = false;
|
|
|
|
776
|
+ break;
|
|
|
|
777
|
+ }
|
|
|
|
778
|
+ }
|
|
|
|
779
|
+ }
|
|
|
|
780
|
+
|
|
|
|
781
|
+ // Found a match. Add to list and clear node
|
|
|
|
782
|
+ if ($pass) $ret[$node->_[HDOM_INFO_BEGIN]] = 1;
|
|
|
|
783
|
+ unset($node);
|
|
|
|
784
|
+ }
|
|
|
|
785
|
+ // It's passed by reference so this is actually what this function returns.
|
|
|
|
786
|
+ if (is_object($debug_object)) {
|
|
|
|
787
|
+ $debug_object->debug_log(1, 'EXIT - ret: ', $ret);
|
|
|
|
788
|
+ }
|
|
|
|
789
|
+ }
|
|
|
|
790
|
+
|
|
|
|
791
|
+ protected function match($exp, $pattern, $value, $case_sensitivity)
|
|
|
|
792
|
+ {
|
|
|
|
793
|
+ global $debug_object;
|
|
|
|
794
|
+ if (is_object($debug_object)) {$debug_object->debug_log_entry(1);}
|
|
|
|
795
|
+
|
|
|
|
796
|
+ if ($case_sensitivity === 'i') {
|
|
|
|
797
|
+ $pattern = strtolower($pattern);
|
|
|
|
798
|
+ $value = strtolower($value);
|
|
|
|
799
|
+ }
|
|
|
|
800
|
+
|
|
|
|
801
|
+ switch ($exp) {
|
|
|
|
802
|
+ case '=':
|
|
|
|
803
|
+ return ($value === $pattern);
|
|
|
|
804
|
+ case '!=':
|
|
|
|
805
|
+ return ($value !== $pattern);
|
|
|
|
806
|
+ case '^=':
|
|
|
|
807
|
+ return preg_match('/^' . preg_quote($pattern, '/') . '/', $value);
|
|
|
|
808
|
+ case '$=':
|
|
|
|
809
|
+ return preg_match('/' . preg_quote($pattern, '/') . '$/', $value);
|
|
|
|
810
|
+ case '*=':
|
|
|
|
811
|
+ return preg_match('/' . preg_quote($pattern, '/') . '/', $value);
|
|
|
|
812
|
+ case '|=':
|
|
|
|
813
|
+ /**
|
|
|
|
814
|
+ * [att|=val]
|
|
|
|
815
|
+ *
|
|
|
|
816
|
+ * Represents an element with the att attribute, its value
|
|
|
|
817
|
+ * either being exactly "val" or beginning with "val"
|
|
|
|
818
|
+ * immediately followed by "-" (U+002D).
|
|
|
|
819
|
+ */
|
|
|
|
820
|
+ return strpos($value, $pattern) === 0;
|
|
|
|
821
|
+ case '~=':
|
|
|
|
822
|
+ /**
|
|
|
|
823
|
+ * [att~=val]
|
|
|
|
824
|
+ *
|
|
|
|
825
|
+ * Represents an element with the att attribute whose value is a
|
|
|
|
826
|
+ * whitespace-separated list of words, one of which is exactly
|
|
|
|
827
|
+ * "val". If "val" contains whitespace, it will never represent
|
|
|
|
828
|
+ * anything (since the words are separated by spaces). Also if
|
|
|
|
829
|
+ * "val" is the empty string, it will never represent anything.
|
|
|
|
830
|
+ */
|
|
|
|
831
|
+ return in_array($pattern, explode(' ', trim($value)), true);
|
|
|
|
832
|
+ }
|
|
|
|
833
|
+ return false;
|
|
|
|
834
|
+ }
|
|
|
|
835
|
+
|
|
|
|
836
|
+ protected function parse_selector($selector_string)
|
|
|
|
837
|
+ {
|
|
|
|
838
|
+ global $debug_object;
|
|
|
|
839
|
+ if (is_object($debug_object)) { $debug_object->debug_log_entry(1); }
|
|
|
|
840
|
+
|
|
|
|
841
|
+ /**
|
|
|
|
842
|
+ * Pattern of CSS selectors, modified from mootools (https://mootools.net/)
|
|
|
|
843
|
+ *
|
|
|
|
844
|
+ * Paperg: Add the colon to the attribute, so that it properly finds
|
|
|
|
845
|
+ * <tag attr:ibute="something" > like google does.
|
|
|
|
846
|
+ *
|
|
|
|
847
|
+ * Note: if you try to look at this attribute, you MUST use getAttribute
|
|
|
|
848
|
+ * since $dom->x:y will fail the php syntax check.
|
|
|
|
849
|
+ *
|
|
|
|
850
|
+ * Notice the \[ starting the attribute? and the @? following? This
|
|
|
|
851
|
+ * implies that an attribute can begin with an @ sign that is not
|
|
|
|
852
|
+ * captured. This implies that an html attribute specifier may start
|
|
|
|
853
|
+ * with an @ sign that is NOT captured by the expression. Farther study
|
|
|
|
854
|
+ * is required to determine of this should be documented or removed.
|
|
|
|
855
|
+ *
|
|
|
|
856
|
+ * Matches selectors in this order:
|
|
|
|
857
|
+ *
|
|
|
|
858
|
+ * [0] - full match
|
|
|
|
859
|
+ *
|
|
|
|
860
|
+ * [1] - tag name
|
|
|
|
861
|
+ * ([\w:\*-]*)
|
|
|
|
862
|
+ * Matches the tag name consisting of zero or more words, colons,
|
|
|
|
863
|
+ * asterisks and hyphens.
|
|
|
|
864
|
+ *
|
|
|
|
865
|
+ * [2] - id name
|
|
|
|
866
|
+ * (?:\#([\w-]+))
|
|
|
|
867
|
+ * Optionally matches a id name, consisting of an "#" followed by
|
|
|
|
868
|
+ * the id name (one or more words and hyphens).
|
|
|
|
869
|
+ *
|
|
|
|
870
|
+ * [3] - class names (including dots)
|
|
|
|
871
|
+ * (?:\.([\w\.-]+))?
|
|
|
|
872
|
+ * Optionally matches a list of classs, consisting of an "."
|
|
|
|
873
|
+ * followed by the class name (one or more words and hyphens)
|
|
|
|
874
|
+ * where multiple classes can be chained (i.e. ".foo.bar.baz")
|
|
|
|
875
|
+ *
|
|
|
|
876
|
+ * [4] - attributes
|
|
|
|
877
|
+ * ((?:\[@?(?:!?[\w:-]+)(?:(?:[!*^$|~]?=)[\"']?(?:.*?)[\"']?)?(?:\s*?(?:[iIsS])?)?\])+)?
|
|
|
|
878
|
+ * Optionally matches the attributes list
|
|
|
|
879
|
+ *
|
|
|
|
880
|
+ * [5] - separator
|
|
|
|
881
|
+ * ([\/, >+~]+)
|
|
|
|
882
|
+ * Matches the selector list separator
|
|
|
|
883
|
+ */
|
|
|
|
884
|
+ // phpcs:ignore Generic.Files.LineLength
|
|
|
|
885
|
+ $pattern = "/([\w:\*-]*)(?:\#([\w-]+))?(?:|\.([\w\.-]+))?((?:\[@?(?:!?[\w:-]+)(?:(?:[!*^$|~]?=)[\"']?(?:.*?)[\"']?)?(?:\s*?(?:[iIsS])?)?\])+)?([\/, >+~]+)/is";
|
|
|
|
886
|
+
|
|
|
|
887
|
+ preg_match_all(
|
|
|
|
888
|
+ $pattern,
|
|
|
|
889
|
+ trim($selector_string) . ' ', // Add final ' ' as pseudo separator
|
|
|
|
890
|
+ $matches,
|
|
|
|
891
|
+ PREG_SET_ORDER
|
|
|
|
892
|
+ );
|
|
|
|
893
|
+
|
|
|
|
894
|
+ if (is_object($debug_object)) {
|
|
|
|
895
|
+ $debug_object->debug_log(2, 'Matches Array: ', $matches);
|
|
|
|
896
|
+ }
|
|
|
|
897
|
+
|
|
|
|
898
|
+ $selectors = array();
|
|
|
|
899
|
+ $result = array();
|
|
|
|
900
|
+
|
|
|
|
901
|
+ foreach ($matches as $m) {
|
|
|
|
902
|
+ $m[0] = trim($m[0]);
|
|
|
|
903
|
+
|
|
|
|
904
|
+ // Skip NoOps
|
|
|
|
905
|
+ if ($m[0] === '' || $m[0] === '/' || $m[0] === '//') { continue; }
|
|
|
|
906
|
+
|
|
|
|
907
|
+ // Convert to lowercase
|
|
|
|
908
|
+ if ($this->dom->lowercase) {
|
|
|
|
909
|
+ $m[1] = strtolower($m[1]);
|
|
|
|
910
|
+ }
|
|
|
|
911
|
+
|
|
|
|
912
|
+ // Extract classes
|
|
|
|
913
|
+ if ($m[3] !== '') { $m[3] = explode('.', $m[3]); }
|
|
|
|
914
|
+
|
|
|
|
915
|
+ /* Extract attributes (pattern based on the pattern above!)
|
|
|
|
916
|
+
|
|
|
|
917
|
+ * [0] - full match
|
|
|
|
918
|
+ * [1] - attribute name
|
|
|
|
919
|
+ * [2] - attribute expression
|
|
|
|
920
|
+ * [3] - attribute value
|
|
|
|
921
|
+ * [4] - case sensitivity
|
|
|
|
922
|
+ *
|
|
|
|
923
|
+ * Note: Attributes can be negated with a "!" prefix to their name
|
|
|
|
924
|
+ */
|
|
|
|
925
|
+ if($m[4] !== '') {
|
|
|
|
926
|
+ preg_match_all(
|
|
|
|
927
|
+ "/\[@?(!?[\w:-]+)(?:([!*^$|~]?=)[\"']?(.*?)[\"']?)?(?:\s+?([iIsS])?)?\]/is",
|
|
|
|
928
|
+ trim($m[4]),
|
|
|
|
929
|
+ $attributes,
|
|
|
|
930
|
+ PREG_SET_ORDER
|
|
|
|
931
|
+ );
|
|
|
|
932
|
+
|
|
|
|
933
|
+ // Replace element by array
|
|
|
|
934
|
+ $m[4] = array();
|
|
|
|
935
|
+
|
|
|
|
936
|
+ foreach($attributes as $att) {
|
|
|
|
937
|
+ // Skip empty matches
|
|
|
|
938
|
+ if(trim($att[0]) === '') { continue; }
|
|
|
|
939
|
+
|
|
|
|
940
|
+ $inverted = (isset($att[1][0]) && $att[1][0] === '!');
|
|
|
|
941
|
+ $m[4][] = array(
|
|
|
|
942
|
+ $inverted ? substr($att[1], 1) : $att[1], // Name
|
|
|
|
943
|
+ (isset($att[2])) ? $att[2] : '', // Expression
|
|
|
|
944
|
+ (isset($att[3])) ? $att[3] : '', // Value
|
|
|
|
945
|
+ $inverted, // Inverted Flag
|
|
|
|
946
|
+ (isset($att[4])) ? strtolower($att[4]) : '', // Case-Sensitivity
|
|
|
|
947
|
+ );
|
|
|
|
948
|
+ }
|
|
|
|
949
|
+ }
|
|
|
|
950
|
+
|
|
|
|
951
|
+ // Sanitize Separator
|
|
|
|
952
|
+ if ($m[5] !== '' && trim($m[5]) === '') { // Descendant Separator
|
|
|
|
953
|
+ $m[5] = ' ';
|
|
|
|
954
|
+ } else { // Other Separator
|
|
|
|
955
|
+ $m[5] = trim($m[5]);
|
|
|
|
956
|
+ }
|
|
|
|
957
|
+
|
|
|
|
958
|
+ // Clear Separator if it's a Selector List
|
|
|
|
959
|
+ if ($is_list = ($m[5] === ',')) { $m[5] = ''; }
|
|
|
|
960
|
+
|
|
|
|
961
|
+ // Remove full match before adding to results
|
|
|
|
962
|
+ array_shift($m);
|
|
|
|
963
|
+ $result[] = $m;
|
|
|
|
964
|
+
|
|
|
|
965
|
+ if ($is_list) { // Selector List
|
|
|
|
966
|
+ $selectors[] = $result;
|
|
|
|
967
|
+ $result = array();
|
|
|
|
968
|
+ }
|
|
|
|
969
|
+ }
|
|
|
|
970
|
+
|
|
|
|
971
|
+ if (count($result) > 0) { $selectors[] = $result; }
|
|
|
|
972
|
+ return $selectors;
|
|
|
|
973
|
+ }
|
|
|
|
974
|
+
|
|
|
|
975
|
+ function __get($name)
|
|
|
|
976
|
+ {
|
|
|
|
977
|
+ if (isset($this->attr[$name])) {
|
|
|
|
978
|
+ return $this->convert_text($this->attr[$name]);
|
|
|
|
979
|
+ }
|
|
|
|
980
|
+ switch ($name) {
|
|
|
|
981
|
+ case 'outertext': return $this->outertext();
|
|
|
|
982
|
+ case 'innertext': return $this->innertext();
|
|
|
|
983
|
+ case 'plaintext': return $this->text();
|
|
|
|
984
|
+ case 'xmltext': return $this->xmltext();
|
|
|
|
985
|
+ default: return array_key_exists($name, $this->attr);
|
|
|
|
986
|
+ }
|
|
|
|
987
|
+ }
|
|
|
|
988
|
+
|
|
|
|
989
|
+ function __set($name, $value)
|
|
|
|
990
|
+ {
|
|
|
|
991
|
+ global $debug_object;
|
|
|
|
992
|
+ if (is_object($debug_object)) { $debug_object->debug_log_entry(1); }
|
|
|
|
993
|
+
|
|
|
|
994
|
+ switch ($name) {
|
|
|
|
995
|
+ case 'outertext': return $this->_[HDOM_INFO_OUTER] = $value;
|
|
|
|
996
|
+ case 'innertext':
|
|
|
|
997
|
+ if (isset($this->_[HDOM_INFO_TEXT])) {
|
|
|
|
998
|
+ return $this->_[HDOM_INFO_TEXT] = $value;
|
|
|
|
999
|
+ }
|
|
|
|
1000
|
+ return $this->_[HDOM_INFO_INNER] = $value;
|
|
|
|
1001
|
+ }
|
|
|
|
1002
|
+
|
|
|
|
1003
|
+ if (!isset($this->attr[$name])) {
|
|
|
|
1004
|
+ $this->_[HDOM_INFO_SPACE][] = array(' ', '', '');
|
|
|
|
1005
|
+ $this->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_DOUBLE;
|
|
|
|
1006
|
+ }
|
|
|
|
1007
|
+
|
|
|
|
1008
|
+ $this->attr[$name] = $value;
|
|
|
|
1009
|
+ }
|
|
|
|
1010
|
+
|
|
|
|
1011
|
+ function __isset($name)
|
|
|
|
1012
|
+ {
|
|
|
|
1013
|
+ switch ($name) {
|
|
|
|
1014
|
+ case 'outertext': return true;
|
|
|
|
1015
|
+ case 'innertext': return true;
|
|
|
|
1016
|
+ case 'plaintext': return true;
|
|
|
|
1017
|
+ }
|
|
|
|
1018
|
+ //no value attr: nowrap, checked selected...
|
|
|
|
1019
|
+ return (array_key_exists($name, $this->attr)) ? true : isset($this->attr[$name]);
|
|
|
|
1020
|
+ }
|
|
|
|
1021
|
+
|
|
|
|
1022
|
+ function __unset($name)
|
|
|
|
1023
|
+ {
|
|
|
|
1024
|
+ if (isset($this->attr[$name])) { unset($this->attr[$name]); }
|
|
|
|
1025
|
+ }
|
|
|
|
1026
|
+
|
|
|
|
1027
|
+ function convert_text($text)
|
|
|
|
1028
|
+ {
|
|
|
|
1029
|
+ global $debug_object;
|
|
|
|
1030
|
+ if (is_object($debug_object)) { $debug_object->debug_log_entry(1); }
|
|
|
|
1031
|
+
|
|
|
|
1032
|
+ $converted_text = $text;
|
|
|
|
1033
|
+
|
|
|
|
1034
|
+ $sourceCharset = '';
|
|
|
|
1035
|
+ $targetCharset = '';
|
|
|
|
1036
|
+
|
|
|
|
1037
|
+ if ($this->dom) {
|
|
|
|
1038
|
+ $sourceCharset = strtoupper($this->dom->_charset);
|
|
|
|
1039
|
+ $targetCharset = strtoupper($this->dom->_target_charset);
|
|
|
|
1040
|
+ }
|
|
|
|
1041
|
+
|
|
|
|
1042
|
+ if (is_object($debug_object)) {
|
|
|
|
1043
|
+ $debug_object->debug_log(3,
|
|
|
|
1044
|
+ 'source charset: '
|
|
|
|
1045
|
+ . $sourceCharset
|
|
|
|
1046
|
+ . ' target charaset: '
|
|
|
|
1047
|
+ . $targetCharset
|
|
|
|
1048
|
+ );
|
|
|
|
1049
|
+ }
|
|
|
|
1050
|
+
|
|
|
|
1051
|
+ if (!empty($sourceCharset)
|
|
|
|
1052
|
+ && !empty($targetCharset)
|
|
|
|
1053
|
+ && (strcasecmp($sourceCharset, $targetCharset) != 0)) {
|
|
|
|
1054
|
+ // Check if the reported encoding could have been incorrect and the text is actually already UTF-8
|
|
|
|
1055
|
+ if ((strcasecmp($targetCharset, 'UTF-8') == 0)
|
|
|
|
1056
|
+ && ($this->is_utf8($text))) {
|
|
|
|
1057
|
+ $converted_text = $text;
|
|
|
|
1058
|
+ } else {
|
|
|
|
1059
|
+ $converted_text = iconv($sourceCharset, $targetCharset, $text);
|
|
|
|
1060
|
+ }
|
|
|
|
1061
|
+ }
|
|
|
|
1062
|
+
|
|
|
|
1063
|
+ // Lets make sure that we don't have that silly BOM issue with any of the utf-8 text we output.
|
|
|
|
1064
|
+ if ($targetCharset === 'UTF-8') {
|
|
|
|
1065
|
+ if (substr($converted_text, 0, 3) === "\xef\xbb\xbf") {
|
|
|
|
1066
|
+ $converted_text = substr($converted_text, 3);
|
|
|
|
1067
|
+ }
|
|
|
|
1068
|
+
|
|
|
|
1069
|
+ if (substr($converted_text, -3) === "\xef\xbb\xbf") {
|
|
|
|
1070
|
+ $converted_text = substr($converted_text, 0, -3);
|
|
|
|
1071
|
+ }
|
|
|
|
1072
|
+ }
|
|
|
|
1073
|
+
|
|
|
|
1074
|
+ return $converted_text;
|
|
|
|
1075
|
+ }
|
|
|
|
1076
|
+
|
|
|
|
1077
|
+ static function is_utf8($str)
|
|
|
|
1078
|
+ {
|
|
|
|
1079
|
+ $c = 0; $b = 0;
|
|
|
|
1080
|
+ $bits = 0;
|
|
|
|
1081
|
+ $len = strlen($str);
|
|
|
|
1082
|
+ for($i = 0; $i < $len; $i++) {
|
|
|
|
1083
|
+ $c = ord($str[$i]);
|
|
|
|
1084
|
+ if($c > 128) {
|
|
|
|
1085
|
+ if(($c >= 254)) { return false; }
|
|
|
|
1086
|
+ elseif($c >= 252) { $bits = 6; }
|
|
|
|
1087
|
+ elseif($c >= 248) { $bits = 5; }
|
|
|
|
1088
|
+ elseif($c >= 240) { $bits = 4; }
|
|
|
|
1089
|
+ elseif($c >= 224) { $bits = 3; }
|
|
|
|
1090
|
+ elseif($c >= 192) { $bits = 2; }
|
|
|
|
1091
|
+ else { return false; }
|
|
|
|
1092
|
+ if(($i + $bits) > $len) { return false; }
|
|
|
|
1093
|
+ while($bits > 1) {
|
|
|
|
1094
|
+ $i++;
|
|
|
|
1095
|
+ $b = ord($str[$i]);
|
|
|
|
1096
|
+ if($b < 128 || $b > 191) { return false; }
|
|
|
|
1097
|
+ $bits--;
|
|
|
|
1098
|
+ }
|
|
|
|
1099
|
+ }
|
|
|
|
1100
|
+ }
|
|
|
|
1101
|
+ return true;
|
|
|
|
1102
|
+ }
|
|
|
|
1103
|
+
|
|
|
|
1104
|
+ function get_display_size()
|
|
|
|
1105
|
+ {
|
|
|
|
1106
|
+ global $debug_object;
|
|
|
|
1107
|
+
|
|
|
|
1108
|
+ $width = -1;
|
|
|
|
1109
|
+ $height = -1;
|
|
|
|
1110
|
+
|
|
|
|
1111
|
+ if ($this->tag !== 'img') {
|
|
|
|
1112
|
+ return false;
|
|
|
|
1113
|
+ }
|
|
|
|
1114
|
+
|
|
|
|
1115
|
+ // See if there is aheight or width attribute in the tag itself.
|
|
|
|
1116
|
+ if (isset($this->attr['width'])) {
|
|
|
|
1117
|
+ $width = $this->attr['width'];
|
|
|
|
1118
|
+ }
|
|
|
|
1119
|
+
|
|
|
|
1120
|
+ if (isset($this->attr['height'])) {
|
|
|
|
1121
|
+ $height = $this->attr['height'];
|
|
|
|
1122
|
+ }
|
|
|
|
1123
|
+
|
|
|
|
1124
|
+ // Now look for an inline style.
|
|
|
|
1125
|
+ if (isset($this->attr['style'])) {
|
|
|
|
1126
|
+ // Thanks to user gnarf from stackoverflow for this regular expression.
|
|
|
|
1127
|
+ $attributes = array();
|
|
|
|
1128
|
+
|
|
|
|
1129
|
+ preg_match_all(
|
|
|
|
1130
|
+ '/([\w-]+)\s*:\s*([^;]+)\s*;?/',
|
|
|
|
1131
|
+ $this->attr['style'],
|
|
|
|
1132
|
+ $matches,
|
|
|
|
1133
|
+ PREG_SET_ORDER
|
|
|
|
1134
|
+ );
|
|
|
|
1135
|
+
|
|
|
|
1136
|
+ foreach ($matches as $match) {
|
|
|
|
1137
|
+ $attributes[$match[1]] = $match[2];
|
|
|
|
1138
|
+ }
|
|
|
|
1139
|
+
|
|
|
|
1140
|
+ // If there is a width in the style attributes:
|
|
|
|
1141
|
+ if (isset($attributes['width']) && $width == -1) {
|
|
|
|
1142
|
+ // check that the last two characters are px (pixels)
|
|
|
|
1143
|
+ if (strtolower(substr($attributes['width'], -2)) === 'px') {
|
|
|
|
1144
|
+ $proposed_width = substr($attributes['width'], 0, -2);
|
|
|
|
1145
|
+ // Now make sure that it's an integer and not something stupid.
|
|
|
|
1146
|
+ if (filter_var($proposed_width, FILTER_VALIDATE_INT)) {
|
|
|
|
1147
|
+ $width = $proposed_width;
|
|
|
|
1148
|
+ }
|
|
|
|
1149
|
+ }
|
|
|
|
1150
|
+ }
|
|
|
|
1151
|
+
|
|
|
|
1152
|
+ // If there is a width in the style attributes:
|
|
|
|
1153
|
+ if (isset($attributes['height']) && $height == -1) {
|
|
|
|
1154
|
+ // check that the last two characters are px (pixels)
|
|
|
|
1155
|
+ if (strtolower(substr($attributes['height'], -2)) == 'px') {
|
|
|
|
1156
|
+ $proposed_height = substr($attributes['height'], 0, -2);
|
|
|
|
1157
|
+ // Now make sure that it's an integer and not something stupid.
|
|
|
|
1158
|
+ if (filter_var($proposed_height, FILTER_VALIDATE_INT)) {
|
|
|
|
1159
|
+ $height = $proposed_height;
|
|
|
|
1160
|
+ }
|
|
|
|
1161
|
+ }
|
|
|
|
1162
|
+ }
|
|
|
|
1163
|
+
|
|
|
|
1164
|
+ }
|
|
|
|
1165
|
+
|
|
|
|
1166
|
+ // Future enhancement:
|
|
|
|
1167
|
+ // Look in the tag to see if there is a class or id specified that has
|
|
|
|
1168
|
+ // a height or width attribute to it.
|
|
|
|
1169
|
+
|
|
|
|
1170
|
+ // Far future enhancement
|
|
|
|
1171
|
+ // Look at all the parent tags of this image to see if they specify a
|
|
|
|
1172
|
+ // class or id that has an img selector that specifies a height or width
|
|
|
|
1173
|
+ // Note that in this case, the class or id will have the img subselector
|
|
|
|
1174
|
+ // for it to apply to the image.
|
|
|
|
1175
|
+
|
|
|
|
1176
|
+ // ridiculously far future development
|
|
|
|
1177
|
+ // If the class or id is specified in a SEPARATE css file thats not on
|
|
|
|
1178
|
+ // the page, go get it and do what we were just doing for the ones on
|
|
|
|
1179
|
+ // the page.
|
|
|
|
1180
|
+
|
|
|
|
1181
|
+ $result = array(
|
|
|
|
1182
|
+ 'height' => $height,
|
|
|
|
1183
|
+ 'width' => $width
|
|
|
|
1184
|
+ );
|
|
|
|
1185
|
+
|
|
|
|
1186
|
+ return $result;
|
|
|
|
1187
|
+ }
|
|
|
|
1188
|
+
|
|
|
|
1189
|
+ function save($filepath = '')
|
|
|
|
1190
|
+ {
|
|
|
|
1191
|
+ $ret = $this->outertext();
|
|
|
|
1192
|
+
|
|
|
|
1193
|
+ if ($filepath !== '') {
|
|
|
|
1194
|
+ file_put_contents($filepath, $ret, LOCK_EX);
|
|
|
|
1195
|
+ }
|
|
|
|
1196
|
+
|
|
|
|
1197
|
+ return $ret;
|
|
|
|
1198
|
+ }
|
|
|
|
1199
|
+
|
|
|
|
1200
|
+ function addClass($class)
|
|
|
|
1201
|
+ {
|
|
|
|
1202
|
+ if (is_string($class)) {
|
|
|
|
1203
|
+ $class = explode(' ', $class);
|
|
|
|
1204
|
+ }
|
|
|
|
1205
|
+
|
|
|
|
1206
|
+ if (is_array($class)) {
|
|
|
|
1207
|
+ foreach($class as $c) {
|
|
|
|
1208
|
+ if (isset($this->class)) {
|
|
|
|
1209
|
+ if ($this->hasClass($c)) {
|
|
|
|
1210
|
+ continue;
|
|
|
|
1211
|
+ } else {
|
|
|
|
1212
|
+ $this->class .= ' ' . $c;
|
|
|
|
1213
|
+ }
|
|
|
|
1214
|
+ } else {
|
|
|
|
1215
|
+ $this->class = $c;
|
|
|
|
1216
|
+ }
|
|
|
|
1217
|
+ }
|
|
|
|
1218
|
+ } else {
|
|
|
|
1219
|
+ if (is_object($debug_object)) {
|
|
|
|
1220
|
+ $debug_object->debug_log(2, 'Invalid type: ', gettype($class));
|
|
|
|
1221
|
+ }
|
|
|
|
1222
|
+ }
|
|
|
|
1223
|
+ }
|
|
|
|
1224
|
+
|
|
|
|
1225
|
+ function hasClass($class)
|
|
|
|
1226
|
+ {
|
|
|
|
1227
|
+ if (is_string($class)) {
|
|
|
|
1228
|
+ if (isset($this->class)) {
|
|
|
|
1229
|
+ return in_array($class, explode(' ', $this->class), true);
|
|
|
|
1230
|
+ }
|
|
|
|
1231
|
+ } else {
|
|
|
|
1232
|
+ if (is_object($debug_object)) {
|
|
|
|
1233
|
+ $debug_object->debug_log(2, 'Invalid type: ', gettype($class));
|
|
|
|
1234
|
+ }
|
|
|
|
1235
|
+ }
|
|
|
|
1236
|
+
|
|
|
|
1237
|
+ return false;
|
|
|
|
1238
|
+ }
|
|
|
|
1239
|
+
|
|
|
|
1240
|
+ function removeClass($class = null)
|
|
|
|
1241
|
+ {
|
|
|
|
1242
|
+ if (!isset($this->class)) {
|
|
|
|
1243
|
+ return;
|
|
|
|
1244
|
+ }
|
|
|
|
1245
|
+
|
|
|
|
1246
|
+ if (is_null($class)) {
|
|
|
|
1247
|
+ $this->removeAttribute('class');
|
|
|
|
1248
|
+ return;
|
|
|
|
1249
|
+ }
|
|
|
|
1250
|
+
|
|
|
|
1251
|
+ if (is_string($class)) {
|
|
|
|
1252
|
+ $class = explode(' ', $class);
|
|
|
|
1253
|
+ }
|
|
|
|
1254
|
+
|
|
|
|
1255
|
+ if (is_array($class)) {
|
|
|
|
1256
|
+ $class = array_diff(explode(' ', $this->class), $class);
|
|
|
|
1257
|
+ if (empty($class)) {
|
|
|
|
1258
|
+ $this->removeAttribute('class');
|
|
|
|
1259
|
+ } else {
|
|
|
|
1260
|
+ $this->class = implode(' ', $class);
|
|
|
|
1261
|
+ }
|
|
|
|
1262
|
+ }
|
|
|
|
1263
|
+ }
|
|
|
|
1264
|
+
|
|
|
|
1265
|
+ function getAllAttributes()
|
|
|
|
1266
|
+ {
|
|
|
|
1267
|
+ return $this->attr;
|
|
|
|
1268
|
+ }
|
|
|
|
1269
|
+
|
|
|
|
1270
|
+ function getAttribute($name)
|
|
|
|
1271
|
+ {
|
|
|
|
1272
|
+ return $this->__get($name);
|
|
|
|
1273
|
+ }
|
|
|
|
1274
|
+
|
|
|
|
1275
|
+ function setAttribute($name, $value)
|
|
|
|
1276
|
+ {
|
|
|
|
1277
|
+ $this->__set($name, $value);
|
|
|
|
1278
|
+ }
|
|
|
|
1279
|
+
|
|
|
|
1280
|
+ function hasAttribute($name)
|
|
|
|
1281
|
+ {
|
|
|
|
1282
|
+ return $this->__isset($name);
|
|
|
|
1283
|
+ }
|
|
|
|
1284
|
+
|
|
|
|
1285
|
+ function removeAttribute($name)
|
|
|
|
1286
|
+ {
|
|
|
|
1287
|
+ $this->__set($name, null);
|
|
|
|
1288
|
+ }
|
|
|
|
1289
|
+
|
|
|
|
1290
|
+ function remove()
|
|
|
|
1291
|
+ {
|
|
|
|
1292
|
+ if ($this->parent) {
|
|
|
|
1293
|
+ $this->parent->removeChild($this);
|
|
|
|
1294
|
+ }
|
|
|
|
1295
|
+ }
|
|
|
|
1296
|
+
|
|
|
|
1297
|
+ function removeChild($node)
|
|
|
|
1298
|
+ {
|
|
|
|
1299
|
+ $nidx = array_search($node, $this->nodes, true);
|
|
|
|
1300
|
+ $cidx = array_search($node, $this->children, true);
|
|
|
|
1301
|
+ $didx = array_search($node, $this->dom->nodes, true);
|
|
|
|
1302
|
+
|
|
|
|
1303
|
+ if ($nidx !== false && $cidx !== false && $didx !== false) {
|
|
|
|
1304
|
+
|
|
|
|
1305
|
+ foreach($node->children as $child) {
|
|
|
|
1306
|
+ $node->removeChild($child);
|
|
|
|
1307
|
+ }
|
|
|
|
1308
|
+
|
|
|
|
1309
|
+ foreach($node->nodes as $entity) {
|
|
|
|
1310
|
+ $enidx = array_search($entity, $node->nodes, true);
|
|
|
|
1311
|
+ $edidx = array_search($entity, $node->dom->nodes, true);
|
|
|
|
1312
|
+
|
|
|
|
1313
|
+ if ($enidx !== false && $edidx !== false) {
|
|
|
|
1314
|
+ unset($node->nodes[$enidx]);
|
|
|
|
1315
|
+ unset($node->dom->nodes[$edidx]);
|
|
|
|
1316
|
+ }
|
|
|
|
1317
|
+ }
|
|
|
|
1318
|
+
|
|
|
|
1319
|
+ unset($this->nodes[$nidx]);
|
|
|
|
1320
|
+ unset($this->children[$cidx]);
|
|
|
|
1321
|
+ unset($this->dom->nodes[$didx]);
|
|
|
|
1322
|
+
|
|
|
|
1323
|
+ $node->clear();
|
|
|
|
1324
|
+
|
|
|
|
1325
|
+ }
|
|
|
|
1326
|
+ }
|
|
|
|
1327
|
+
|
|
|
|
1328
|
+ function getElementById($id)
|
|
|
|
1329
|
+ {
|
|
|
|
1330
|
+ return $this->find("#$id", 0);
|
|
|
|
1331
|
+ }
|
|
|
|
1332
|
+
|
|
|
|
1333
|
+ function getElementsById($id, $idx = null)
|
|
|
|
1334
|
+ {
|
|
|
|
1335
|
+ return $this->find("#$id", $idx);
|
|
|
|
1336
|
+ }
|
|
|
|
1337
|
+
|
|
|
|
1338
|
+ function getElementByTagName($name)
|
|
|
|
1339
|
+ {
|
|
|
|
1340
|
+ return $this->find($name, 0);
|
|
|
|
1341
|
+ }
|
|
|
|
1342
|
+
|
|
|
|
1343
|
+ function getElementsByTagName($name, $idx = null)
|
|
|
|
1344
|
+ {
|
|
|
|
1345
|
+ return $this->find($name, $idx);
|
|
|
|
1346
|
+ }
|
|
|
|
1347
|
+
|
|
|
|
1348
|
+ function parentNode()
|
|
|
|
1349
|
+ {
|
|
|
|
1350
|
+ return $this->parent();
|
|
|
|
1351
|
+ }
|
|
|
|
1352
|
+
|
|
|
|
1353
|
+ function childNodes($idx = -1)
|
|
|
|
1354
|
+ {
|
|
|
|
1355
|
+ return $this->children($idx);
|
|
|
|
1356
|
+ }
|
|
|
|
1357
|
+
|
|
|
|
1358
|
+ function firstChild()
|
|
|
|
1359
|
+ {
|
|
|
|
1360
|
+ return $this->first_child();
|
|
|
|
1361
|
+ }
|
|
|
|
1362
|
+
|
|
|
|
1363
|
+ function lastChild()
|
|
|
|
1364
|
+ {
|
|
|
|
1365
|
+ return $this->last_child();
|
|
|
|
1366
|
+ }
|
|
|
|
1367
|
+
|
|
|
|
1368
|
+ function nextSibling()
|
|
|
|
1369
|
+ {
|
|
|
|
1370
|
+ return $this->next_sibling();
|
|
|
|
1371
|
+ }
|
|
|
|
1372
|
+
|
|
|
|
1373
|
+ function previousSibling()
|
|
|
|
1374
|
+ {
|
|
|
|
1375
|
+ return $this->prev_sibling();
|
|
|
|
1376
|
+ }
|
|
|
|
1377
|
+
|
|
|
|
1378
|
+ function hasChildNodes()
|
|
|
|
1379
|
+ {
|
|
|
|
1380
|
+ return $this->has_child();
|
|
|
|
1381
|
+ }
|
|
|
|
1382
|
+
|
|
|
|
1383
|
+ function nodeName()
|
|
|
|
1384
|
+ {
|
|
|
|
1385
|
+ return $this->tag;
|
|
|
|
1386
|
+ }
|
|
|
|
1387
|
+
|
|
|
|
1388
|
+ function appendChild($node)
|
|
|
|
1389
|
+ {
|
|
|
|
1390
|
+ $node->parent($this);
|
|
|
|
1391
|
+ return $node;
|
|
|
|
1392
|
+ }
|
|
|
|
1393
|
+
|
|
|
|
1394
|
+}
|
|
|
|
1395
|
+
|
|
|
|
1396
|
+class simple_html_dom
|
|
|
|
1397
|
+{
|
|
|
|
1398
|
+ public $root = null;
|
|
|
|
1399
|
+ public $nodes = array();
|
|
|
|
1400
|
+ public $callback = null;
|
|
|
|
1401
|
+ public $lowercase = false;
|
|
|
|
1402
|
+ public $original_size;
|
|
|
|
1403
|
+ public $size;
|
|
|
|
1404
|
+
|
|
|
|
1405
|
+ protected $pos;
|
|
|
|
1406
|
+ protected $doc;
|
|
|
|
1407
|
+ protected $char;
|
|
|
|
1408
|
+
|
|
|
|
1409
|
+ protected $cursor;
|
|
|
|
1410
|
+ protected $parent;
|
|
|
|
1411
|
+ protected $noise = array();
|
|
|
|
1412
|
+ protected $token_blank = " \t\r\n";
|
|
|
|
1413
|
+ protected $token_equal = ' =/>';
|
|
|
|
1414
|
+ protected $token_slash = " />\r\n\t";
|
|
|
|
1415
|
+ protected $token_attr = ' >';
|
|
|
|
1416
|
+
|
|
|
|
1417
|
+ public $_charset = '';
|
|
|
|
1418
|
+ public $_target_charset = '';
|
|
|
|
1419
|
+
|
|
|
|
1420
|
+ protected $default_br_text = '';
|
|
|
|
1421
|
+
|
|
|
|
1422
|
+ public $default_span_text = '';
|
|
|
|
1423
|
+
|
|
|
|
1424
|
+ protected $self_closing_tags = array(
|
|
|
|
1425
|
+ 'area' => 1,
|
|
|
|
1426
|
+ 'base' => 1,
|
|
|
|
1427
|
+ 'br' => 1,
|
|
|
|
1428
|
+ 'col' => 1,
|
|
|
|
1429
|
+ 'embed' => 1,
|
|
|
|
1430
|
+ 'hr' => 1,
|
|
|
|
1431
|
+ 'img' => 1,
|
|
|
|
1432
|
+ 'input' => 1,
|
|
|
|
1433
|
+ 'link' => 1,
|
|
|
|
1434
|
+ 'meta' => 1,
|
|
|
|
1435
|
+ 'param' => 1,
|
|
|
|
1436
|
+ 'source' => 1,
|
|
|
|
1437
|
+ 'track' => 1,
|
|
|
|
1438
|
+ 'wbr' => 1
|
|
|
|
1439
|
+ );
|
|
|
|
1440
|
+ protected $block_tags = array(
|
|
|
|
1441
|
+ 'body' => 1,
|
|
|
|
1442
|
+ 'div' => 1,
|
|
|
|
1443
|
+ 'form' => 1,
|
|
|
|
1444
|
+ 'root' => 1,
|
|
|
|
1445
|
+ 'span' => 1,
|
|
|
|
1446
|
+ 'table' => 1
|
|
|
|
1447
|
+ );
|
|
|
|
1448
|
+ protected $optional_closing_tags = array(
|
|
|
|
1449
|
+ // Not optional, see
|
|
|
|
1450
|
+ // https://www.w3.org/TR/html/textlevel-semantics.html#the-b-element
|
|
|
|
1451
|
+ 'b' => array('b' => 1),
|
|
|
|
1452
|
+ 'dd' => array('dd' => 1, 'dt' => 1),
|
|
|
|
1453
|
+ // Not optional, see
|
|
|
|
1454
|
+ // https://www.w3.org/TR/html/grouping-content.html#the-dl-element
|
|
|
|
1455
|
+ 'dl' => array('dd' => 1, 'dt' => 1),
|
|
|
|
1456
|
+ 'dt' => array('dd' => 1, 'dt' => 1),
|
|
|
|
1457
|
+ 'li' => array('li' => 1),
|
|
|
|
1458
|
+ 'optgroup' => array('optgroup' => 1, 'option' => 1),
|
|
|
|
1459
|
+ 'option' => array('optgroup' => 1, 'option' => 1),
|
|
|
|
1460
|
+ 'p' => array('p' => 1),
|
|
|
|
1461
|
+ 'rp' => array('rp' => 1, 'rt' => 1),
|
|
|
|
1462
|
+ 'rt' => array('rp' => 1, 'rt' => 1),
|
|
|
|
1463
|
+ 'td' => array('td' => 1, 'th' => 1),
|
|
|
|
1464
|
+ 'th' => array('td' => 1, 'th' => 1),
|
|
|
|
1465
|
+ 'tr' => array('td' => 1, 'th' => 1, 'tr' => 1),
|
|
|
|
1466
|
+ );
|
|
|
|
1467
|
+
|
|
|
|
1468
|
+ function __construct(
|
|
|
|
1469
|
+ $str = null,
|
|
|
|
1470
|
+ $lowercase = true,
|
|
|
|
1471
|
+ $forceTagsClosed = true,
|
|
|
|
1472
|
+ $target_charset = DEFAULT_TARGET_CHARSET,
|
|
|
|
1473
|
+ $stripRN = true,
|
|
|
|
1474
|
+ $defaultBRText = DEFAULT_BR_TEXT,
|
|
|
|
1475
|
+ $defaultSpanText = DEFAULT_SPAN_TEXT,
|
|
|
|
1476
|
+ $options = 0)
|
|
|
|
1477
|
+ {
|
|
|
|
1478
|
+ if ($str) {
|
|
|
|
1479
|
+ if (preg_match('/^http:\/\//i', $str) || is_file($str)) {
|
|
|
|
1480
|
+ $this->load_file($str);
|
|
|
|
1481
|
+ } else {
|
|
|
|
1482
|
+ $this->load(
|
|
|
|
1483
|
+ $str,
|
|
|
|
1484
|
+ $lowercase,
|
|
|
|
1485
|
+ $stripRN,
|
|
|
|
1486
|
+ $defaultBRText,
|
|
|
|
1487
|
+ $defaultSpanText,
|
|
|
|
1488
|
+ $options
|
|
|
|
1489
|
+ );
|
|
|
|
1490
|
+ }
|
|
|
|
1491
|
+ }
|
|
|
|
1492
|
+ // Forcing tags to be closed implies that we don't trust the html, but
|
|
|
|
1493
|
+ // it can lead to parsing errors if we SHOULD trust the html.
|
|
|
|
1494
|
+ if (!$forceTagsClosed) {
|
|
|
|
1495
|
+ $this->optional_closing_array = array();
|
|
|
|
1496
|
+ }
|
|
|
|
1497
|
+
|
|
|
|
1498
|
+ $this->_target_charset = $target_charset;
|
|
|
|
1499
|
+ }
|
|
|
|
1500
|
+
|
|
|
|
1501
|
+ function __destruct()
|
|
|
|
1502
|
+ {
|
|
|
|
1503
|
+ $this->clear();
|
|
|
|
1504
|
+ }
|
|
|
|
1505
|
+
|
|
|
|
1506
|
+ function load(
|
|
|
|
1507
|
+ $str,
|
|
|
|
1508
|
+ $lowercase = true,
|
|
|
|
1509
|
+ $stripRN = true,
|
|
|
|
1510
|
+ $defaultBRText = DEFAULT_BR_TEXT,
|
|
|
|
1511
|
+ $defaultSpanText = DEFAULT_SPAN_TEXT,
|
|
|
|
1512
|
+ $options = 0)
|
|
|
|
1513
|
+ {
|
|
|
|
1514
|
+ global $debug_object;
|
|
|
|
1515
|
+
|
|
|
|
1516
|
+ // prepare
|
|
|
|
1517
|
+ $this->prepare($str, $lowercase, $defaultBRText, $defaultSpanText);
|
|
|
|
1518
|
+
|
|
|
|
1519
|
+ // Per sourceforge http://sourceforge.net/tracker/?func=detail&aid=2949097&group_id=218559&atid=1044037
|
|
|
|
1520
|
+ // Script tags removal now preceeds style tag removal.
|
|
|
|
1521
|
+ // strip out <script> tags
|
|
|
|
1522
|
+ $this->remove_noise("'<\s*script[^>]*[^/]>(.*?)<\s*/\s*script\s*>'is");
|
|
|
|
1523
|
+ $this->remove_noise("'<\s*script\s*>(.*?)<\s*/\s*script\s*>'is");
|
|
|
|
1524
|
+
|
|
|
|
1525
|
+ // strip out the \r \n's if we are told to.
|
|
|
|
1526
|
+ if ($stripRN) {
|
|
|
|
1527
|
+ $this->doc = str_replace("\r", ' ', $this->doc);
|
|
|
|
1528
|
+ $this->doc = str_replace("\n", ' ', $this->doc);
|
|
|
|
1529
|
+
|
|
|
|
1530
|
+ // set the length of content since we have changed it.
|
|
|
|
1531
|
+ $this->size = strlen($this->doc);
|
|
|
|
1532
|
+ }
|
|
|
|
1533
|
+
|
|
|
|
1534
|
+ // strip out cdata
|
|
|
|
1535
|
+ $this->remove_noise("'<!\[CDATA\[(.*?)\]\]>'is", true);
|
|
|
|
1536
|
+ // strip out comments
|
|
|
|
1537
|
+ $this->remove_noise("'<!--(.*?)-->'is");
|
|
|
|
1538
|
+ // strip out <style> tags
|
|
|
|
1539
|
+ $this->remove_noise("'<\s*style[^>]*[^/]>(.*?)<\s*/\s*style\s*>'is");
|
|
|
|
1540
|
+ $this->remove_noise("'<\s*style\s*>(.*?)<\s*/\s*style\s*>'is");
|
|
|
|
1541
|
+ // strip out preformatted tags
|
|
|
|
1542
|
+ $this->remove_noise("'<\s*(?:code)[^>]*>(.*?)<\s*/\s*(?:code)\s*>'is");
|
|
|
|
1543
|
+ // strip out server side scripts
|
|
|
|
1544
|
+ $this->remove_noise("'(<\?)(.*?)(\?>)'s", true);
|
|
|
|
1545
|
+
|
|
|
|
1546
|
+ if($options & HDOM_SMARTY_AS_TEXT) { // Strip Smarty scripts
|
|
|
|
1547
|
+ $this->remove_noise("'(\{\w)(.*?)(\})'s", true);
|
|
|
|
1548
|
+ }
|
|
|
|
1549
|
+
|
|
|
|
1550
|
+ // parsing
|
|
|
|
1551
|
+ $this->parse();
|
|
|
|
1552
|
+ // end
|
|
|
|
1553
|
+ $this->root->_[HDOM_INFO_END] = $this->cursor;
|
|
|
|
1554
|
+ $this->parse_charset();
|
|
|
|
1555
|
+
|
|
|
|
1556
|
+ // make load function chainable
|
|
|
|
1557
|
+ return $this;
|
|
|
|
1558
|
+ }
|
|
|
|
1559
|
+
|
|
|
|
1560
|
+ function load_file()
|
|
|
|
1561
|
+ {
|
|
|
|
1562
|
+ $args = func_get_args();
|
|
|
|
1563
|
+
|
|
|
|
1564
|
+ if(($doc = call_user_func_array('file_get_contents', $args)) !== false) {
|
|
|
|
1565
|
+ $this->load($doc, true);
|
|
|
|
1566
|
+ } else {
|
|
|
|
1567
|
+ return false;
|
|
|
|
1568
|
+ }
|
|
|
|
1569
|
+ }
|
|
|
|
1570
|
+
|
|
|
|
1571
|
+ function set_callback($function_name)
|
|
|
|
1572
|
+ {
|
|
|
|
1573
|
+ $this->callback = $function_name;
|
|
|
|
1574
|
+ }
|
|
|
|
1575
|
+
|
|
|
|
1576
|
+ function remove_callback()
|
|
|
|
1577
|
+ {
|
|
|
|
1578
|
+ $this->callback = null;
|
|
|
|
1579
|
+ }
|
|
|
|
1580
|
+
|
|
|
|
1581
|
+ function save($filepath = '')
|
|
|
|
1582
|
+ {
|
|
|
|
1583
|
+ $ret = $this->root->innertext();
|
|
|
|
1584
|
+ if ($filepath !== '') { file_put_contents($filepath, $ret, LOCK_EX); }
|
|
|
|
1585
|
+ return $ret;
|
|
|
|
1586
|
+ }
|
|
|
|
1587
|
+
|
|
|
|
1588
|
+ function find($selector, $idx = null, $lowercase = false)
|
|
|
|
1589
|
+ {
|
|
|
|
1590
|
+ return $this->root->find($selector, $idx, $lowercase);
|
|
|
|
1591
|
+ }
|
|
|
|
1592
|
+
|
|
|
|
1593
|
+ function clear()
|
|
|
|
1594
|
+ {
|
|
|
|
1595
|
+ if (isset($this->nodes)) {
|
|
|
|
1596
|
+ foreach ($this->nodes as $n) {
|
|
|
|
1597
|
+ $n->clear();
|
|
|
|
1598
|
+ $n = null;
|
|
|
|
1599
|
+ }
|
|
|
|
1600
|
+ }
|
|
|
|
1601
|
+
|
|
|
|
1602
|
+ // This add next line is documented in the sourceforge repository.
|
|
|
|
1603
|
+ // 2977248 as a fix for ongoing memory leaks that occur even with the
|
|
|
|
1604
|
+ // use of clear.
|
|
|
|
1605
|
+ if (isset($this->children)) {
|
|
|
|
1606
|
+ foreach ($this->children as $n) {
|
|
|
|
1607
|
+ $n->clear();
|
|
|
|
1608
|
+ $n = null;
|
|
|
|
1609
|
+ }
|
|
|
|
1610
|
+ }
|
|
|
|
1611
|
+
|
|
|
|
1612
|
+ if (isset($this->parent)) {
|
|
|
|
1613
|
+ $this->parent->clear();
|
|
|
|
1614
|
+ unset($this->parent);
|
|
|
|
1615
|
+ }
|
|
|
|
1616
|
+
|
|
|
|
1617
|
+ if (isset($this->root)) {
|
|
|
|
1618
|
+ $this->root->clear();
|
|
|
|
1619
|
+ unset($this->root);
|
|
|
|
1620
|
+ }
|
|
|
|
1621
|
+
|
|
|
|
1622
|
+ unset($this->doc);
|
|
|
|
1623
|
+ unset($this->noise);
|
|
|
|
1624
|
+ }
|
|
|
|
1625
|
+
|
|
|
|
1626
|
+ function dump($show_attr = true)
|
|
|
|
1627
|
+ {
|
|
|
|
1628
|
+ $this->root->dump($show_attr);
|
|
|
|
1629
|
+ }
|
|
|
|
1630
|
+
|
|
|
|
1631
|
+ protected function prepare(
|
|
|
|
1632
|
+ $str, $lowercase = true,
|
|
|
|
1633
|
+ $defaultBRText = DEFAULT_BR_TEXT,
|
|
|
|
1634
|
+ $defaultSpanText = DEFAULT_SPAN_TEXT)
|
|
|
|
1635
|
+ {
|
|
|
|
1636
|
+ $this->clear();
|
|
|
|
1637
|
+
|
|
|
|
1638
|
+ $this->doc = trim($str);
|
|
|
|
1639
|
+ $this->size = strlen($this->doc);
|
|
|
|
1640
|
+ $this->original_size = $this->size; // original size of the html
|
|
|
|
1641
|
+ $this->pos = 0;
|
|
|
|
1642
|
+ $this->cursor = 1;
|
|
|
|
1643
|
+ $this->noise = array();
|
|
|
|
1644
|
+ $this->nodes = array();
|
|
|
|
1645
|
+ $this->lowercase = $lowercase;
|
|
|
|
1646
|
+ $this->default_br_text = $defaultBRText;
|
|
|
|
1647
|
+ $this->default_span_text = $defaultSpanText;
|
|
|
|
1648
|
+ $this->root = new simple_html_dom_node($this);
|
|
|
|
1649
|
+ $this->root->tag = 'root';
|
|
|
|
1650
|
+ $this->root->_[HDOM_INFO_BEGIN] = -1;
|
|
|
|
1651
|
+ $this->root->nodetype = HDOM_TYPE_ROOT;
|
|
|
|
1652
|
+ $this->parent = $this->root;
|
|
|
|
1653
|
+ if ($this->size > 0) { $this->char = $this->doc[0]; }
|
|
|
|
1654
|
+ }
|
|
|
|
1655
|
+
|
|
|
|
1656
|
+ protected function parse()
|
|
|
|
1657
|
+ {
|
|
|
|
1658
|
+ while (true) {
|
|
|
|
1659
|
+ // Read next tag if there is no text between current position and the
|
|
|
|
1660
|
+ // next opening tag.
|
|
|
|
1661
|
+ if (($s = $this->copy_until_char('<')) === '') {
|
|
|
|
1662
|
+ if($this->read_tag()) {
|
|
|
|
1663
|
+ continue;
|
|
|
|
1664
|
+ } else {
|
|
|
|
1665
|
+ return true;
|
|
|
|
1666
|
+ }
|
|
|
|
1667
|
+ }
|
|
|
|
1668
|
+
|
|
|
|
1669
|
+ // Add a text node for text between tags
|
|
|
|
1670
|
+ $node = new simple_html_dom_node($this);
|
|
|
|
1671
|
+ ++$this->cursor;
|
|
|
|
1672
|
+ $node->_[HDOM_INFO_TEXT] = $s;
|
|
|
|
1673
|
+ $this->link_nodes($node, false);
|
|
|
|
1674
|
+ }
|
|
|
|
1675
|
+ }
|
|
|
|
1676
|
+
|
|
|
|
1677
|
+ protected function parse_charset()
|
|
|
|
1678
|
+ {
|
|
|
|
1679
|
+ global $debug_object;
|
|
|
|
1680
|
+
|
|
|
|
1681
|
+ $charset = null;
|
|
|
|
1682
|
+
|
|
|
|
1683
|
+ if (function_exists('get_last_retrieve_url_contents_content_type')) {
|
|
|
|
1684
|
+ $contentTypeHeader = get_last_retrieve_url_contents_content_type();
|
|
|
|
1685
|
+ $success = preg_match('/charset=(.+)/', $contentTypeHeader, $matches);
|
|
|
|
1686
|
+ if ($success) {
|
|
|
|
1687
|
+ $charset = $matches[1];
|
|
|
|
1688
|
+ if (is_object($debug_object)) {
|
|
|
|
1689
|
+ $debug_object->debug_log(2,
|
|
|
|
1690
|
+ 'header content-type found charset of: '
|
|
|
|
1691
|
+ . $charset
|
|
|
|
1692
|
+ );
|
|
|
|
1693
|
+ }
|
|
|
|
1694
|
+ }
|
|
|
|
1695
|
+ }
|
|
|
|
1696
|
+
|
|
|
|
1697
|
+ if (empty($charset)) {
|
|
|
|
1698
|
+ // https://www.w3.org/TR/html/document-metadata.html#statedef-http-equiv-content-type
|
|
|
|
1699
|
+ $el = $this->root->find('meta[http-equiv=Content-Type]', 0, true);
|
|
|
|
1700
|
+
|
|
|
|
1701
|
+ if (!empty($el)) {
|
|
|
|
1702
|
+ $fullvalue = $el->content;
|
|
|
|
1703
|
+ if (is_object($debug_object)) {
|
|
|
|
1704
|
+ $debug_object->debug_log(2,
|
|
|
|
1705
|
+ 'meta content-type tag found'
|
|
|
|
1706
|
+ . $fullvalue
|
|
|
|
1707
|
+ );
|
|
|
|
1708
|
+ }
|
|
|
|
1709
|
+
|
|
|
|
1710
|
+ if (!empty($fullvalue)) {
|
|
|
|
1711
|
+ $success = preg_match(
|
|
|
|
1712
|
+ '/charset=(.+)/i',
|
|
|
|
1713
|
+ $fullvalue,
|
|
|
|
1714
|
+ $matches
|
|
|
|
1715
|
+ );
|
|
|
|
1716
|
+
|
|
|
|
1717
|
+ if ($success) {
|
|
|
|
1718
|
+ $charset = $matches[1];
|
|
|
|
1719
|
+ } else {
|
|
|
|
1720
|
+ // If there is a meta tag, and they don't specify the
|
|
|
|
1721
|
+ // character set, research says that it's typically
|
|
|
|
1722
|
+ // ISO-8859-1
|
|
|
|
1723
|
+ if (is_object($debug_object)) {
|
|
|
|
1724
|
+ $debug_object->debug_log(2,
|
|
|
|
1725
|
+ 'meta content-type tag couldn\'t be parsed. using iso-8859 default.'
|
|
|
|
1726
|
+ );
|
|
|
|
1727
|
+ }
|
|
|
|
1728
|
+
|
|
|
|
1729
|
+ $charset = 'ISO-8859-1';
|
|
|
|
1730
|
+ }
|
|
|
|
1731
|
+ }
|
|
|
|
1732
|
+ }
|
|
|
|
1733
|
+ }
|
|
|
|
1734
|
+
|
|
|
|
1735
|
+ if (empty($charset)) {
|
|
|
|
1736
|
+ // https://www.w3.org/TR/html/document-metadata.html#character-encoding-declaration
|
|
|
|
1737
|
+ if ($meta = $this->root->find('meta[charset]', 0)) {
|
|
|
|
1738
|
+ $charset = $meta->charset;
|
|
|
|
1739
|
+ if (is_object($debug_object)) {
|
|
|
|
1740
|
+ $debug_object->debug_log(2, 'meta charset: ' . $charset);
|
|
|
|
1741
|
+ }
|
|
|
|
1742
|
+ }
|
|
|
|
1743
|
+ }
|
|
|
|
1744
|
+
|
|
|
|
1745
|
+ if (empty($charset)) {
|
|
|
|
1746
|
+ // Try to guess the charset based on the content
|
|
|
|
1747
|
+ // Requires Multibyte String (mbstring) support (optional)
|
|
|
|
1748
|
+ if (function_exists('mb_detect_encoding')) {
|
|
|
|
1749
|
+ /**
|
|
|
|
1750
|
+ * mb_detect_encoding() is not intended to distinguish between
|
|
|
|
1751
|
+ * charsets, especially single-byte charsets. Its primary
|
|
|
|
1752
|
+ * purpose is to detect which multibyte encoding is in use,
|
|
|
|
1753
|
+ * i.e. UTF-8, UTF-16, shift-JIS, etc.
|
|
|
|
1754
|
+ *
|
|
|
|
1755
|
+ * -- https://bugs.php.net/bug.php?id=38138
|
|
|
|
1756
|
+ *
|
|
|
|
1757
|
+ * Adding both CP1251/ISO-8859-5 and CP1252/ISO-8859-1 will
|
|
|
|
1758
|
+ * always result in CP1251/ISO-8859-5 and vice versa.
|
|
|
|
1759
|
+ *
|
|
|
|
1760
|
+ * Thus, only detect if it's either UTF-8 or CP1252/ISO-8859-1
|
|
|
|
1761
|
+ * to stay compatible.
|
|
|
|
1762
|
+ */
|
|
|
|
1763
|
+ $encoding = mb_detect_encoding(
|
|
|
|
1764
|
+ $this->doc,
|
|
|
|
1765
|
+ array( 'UTF-8', 'CP1252', 'ISO-8859-1' )
|
|
|
|
1766
|
+ );
|
|
|
|
1767
|
+
|
|
|
|
1768
|
+ if ($encoding === 'CP1252' || $encoding === 'ISO-8859-1') {
|
|
|
|
1769
|
+ // Due to a limitation of mb_detect_encoding
|
|
|
|
1770
|
+ // 'CP1251'/'ISO-8859-5' will be detected as
|
|
|
|
1771
|
+ // 'CP1252'/'ISO-8859-1'. This will cause iconv to fail, in
|
|
|
|
1772
|
+ // which case we can simply assume it is the other charset.
|
|
|
|
1773
|
+ if (!@iconv('CP1252', 'UTF-8', $this->doc)) {
|
|
|
|
1774
|
+ $encoding = 'CP1251';
|
|
|
|
1775
|
+ }
|
|
|
|
1776
|
+ }
|
|
|
|
1777
|
+
|
|
|
|
1778
|
+ if ($encoding !== false) {
|
|
|
|
1779
|
+ $charset = $encoding;
|
|
|
|
1780
|
+ if (is_object($debug_object)) {
|
|
|
|
1781
|
+ $debug_object->debug_log(2, 'mb_detect: ' . $charset);
|
|
|
|
1782
|
+ }
|
|
|
|
1783
|
+ }
|
|
|
|
1784
|
+ }
|
|
|
|
1785
|
+ }
|
|
|
|
1786
|
+
|
|
|
|
1787
|
+ if (empty($charset)) {
|
|
|
|
1788
|
+ // Assume it's UTF-8 as it is the most likely charset to be used
|
|
|
|
1789
|
+ $charset = 'UTF-8';
|
|
|
|
1790
|
+ if (is_object($debug_object)) {
|
|
|
|
1791
|
+ $debug_object->debug_log(2, 'No match found, assume ' . $charset);
|
|
|
|
1792
|
+ }
|
|
|
|
1793
|
+ }
|
|
|
|
1794
|
+
|
|
|
|
1795
|
+ // Since CP1252 is a superset, if we get one of it's subsets, we want
|
|
|
|
1796
|
+ // it instead.
|
|
|
|
1797
|
+ if ((strtolower($charset) == 'iso-8859-1')
|
|
|
|
1798
|
+ || (strtolower($charset) == 'latin1')
|
|
|
|
1799
|
+ || (strtolower($charset) == 'latin-1')) {
|
|
|
|
1800
|
+ $charset = 'CP1252';
|
|
|
|
1801
|
+ if (is_object($debug_object)) {
|
|
|
|
1802
|
+ $debug_object->debug_log(2,
|
|
|
|
1803
|
+ 'replacing ' . $charset . ' with CP1252 as its a superset'
|
|
|
|
1804
|
+ );
|
|
|
|
1805
|
+ }
|
|
|
|
1806
|
+ }
|
|
|
|
1807
|
+
|
|
|
|
1808
|
+ if (is_object($debug_object)) {
|
|
|
|
1809
|
+ $debug_object->debug_log(1, 'EXIT - ' . $charset);
|
|
|
|
1810
|
+ }
|
|
|
|
1811
|
+
|
|
|
|
1812
|
+ return $this->_charset = $charset;
|
|
|
|
1813
|
+ }
|
|
|
|
1814
|
+
|
|
|
|
1815
|
+ protected function read_tag()
|
|
|
|
1816
|
+ {
|
|
|
|
1817
|
+ // Set end position if no further tags found
|
|
|
|
1818
|
+ if ($this->char !== '<') {
|
|
|
|
1819
|
+ $this->root->_[HDOM_INFO_END] = $this->cursor;
|
|
|
|
1820
|
+ return false;
|
|
|
|
1821
|
+ }
|
|
|
|
1822
|
+
|
|
|
|
1823
|
+ $begin_tag_pos = $this->pos;
|
|
|
|
1824
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
1825
|
+
|
|
|
|
1826
|
+ // end tag
|
|
|
|
1827
|
+ if ($this->char === '/') {
|
|
|
|
1828
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
1829
|
+
|
|
|
|
1830
|
+ // Skip whitespace in end tags (i.e. in "</ html>")
|
|
|
|
1831
|
+ $this->skip($this->token_blank);
|
|
|
|
1832
|
+ $tag = $this->copy_until_char('>');
|
|
|
|
1833
|
+
|
|
|
|
1834
|
+ // Skip attributes in end tags
|
|
|
|
1835
|
+ if (($pos = strpos($tag, ' ')) !== false) {
|
|
|
|
1836
|
+ $tag = substr($tag, 0, $pos);
|
|
|
|
1837
|
+ }
|
|
|
|
1838
|
+
|
|
|
|
1839
|
+ $parent_lower = strtolower($this->parent->tag);
|
|
|
|
1840
|
+ $tag_lower = strtolower($tag);
|
|
|
|
1841
|
+
|
|
|
|
1842
|
+ // The end tag is supposed to close the parent tag. Handle situations
|
|
|
|
1843
|
+ // when it doesn't
|
|
|
|
1844
|
+ if ($parent_lower !== $tag_lower) {
|
|
|
|
1845
|
+ // Parent tag does not have to be closed necessarily (optional closing tag)
|
|
|
|
1846
|
+ // Current tag is a block tag, so it may close an ancestor
|
|
|
|
1847
|
+ if (isset($this->optional_closing_tags[$parent_lower])
|
|
|
|
1848
|
+ && isset($this->block_tags[$tag_lower])) {
|
|
|
|
1849
|
+
|
|
|
|
1850
|
+ $this->parent->_[HDOM_INFO_END] = 0;
|
|
|
|
1851
|
+ $org_parent = $this->parent;
|
|
|
|
1852
|
+
|
|
|
|
1853
|
+ // Traverse ancestors to find a matching opening tag
|
|
|
|
1854
|
+ // Stop at root node
|
|
|
|
1855
|
+ while (($this->parent->parent)
|
|
|
|
1856
|
+ && strtolower($this->parent->tag) !== $tag_lower
|
|
|
|
1857
|
+ ){
|
|
|
|
1858
|
+ $this->parent = $this->parent->parent;
|
|
|
|
1859
|
+ }
|
|
|
|
1860
|
+
|
|
|
|
1861
|
+ // If we don't have a match add current tag as text node
|
|
|
|
1862
|
+ if (strtolower($this->parent->tag) !== $tag_lower) {
|
|
|
|
1863
|
+ $this->parent = $org_parent; // restore origonal parent
|
|
|
|
1864
|
+
|
|
|
|
1865
|
+ if ($this->parent->parent) {
|
|
|
|
1866
|
+ $this->parent = $this->parent->parent;
|
|
|
|
1867
|
+ }
|
|
|
|
1868
|
+
|
|
|
|
1869
|
+ $this->parent->_[HDOM_INFO_END] = $this->cursor;
|
|
|
|
1870
|
+ return $this->as_text_node($tag);
|
|
|
|
1871
|
+ }
|
|
|
|
1872
|
+ } elseif (($this->parent->parent)
|
|
|
|
1873
|
+ && isset($this->block_tags[$tag_lower])
|
|
|
|
1874
|
+ ) {
|
|
|
|
1875
|
+ // Grandparent exists and current tag is a block tag, so our
|
|
|
|
1876
|
+ // parent doesn't have an end tag
|
|
|
|
1877
|
+ $this->parent->_[HDOM_INFO_END] = 0; // No end tag
|
|
|
|
1878
|
+ $org_parent = $this->parent;
|
|
|
|
1879
|
+
|
|
|
|
1880
|
+ // Traverse ancestors to find a matching opening tag
|
|
|
|
1881
|
+ // Stop at root node
|
|
|
|
1882
|
+ while (($this->parent->parent)
|
|
|
|
1883
|
+ && strtolower($this->parent->tag) !== $tag_lower
|
|
|
|
1884
|
+ ) {
|
|
|
|
1885
|
+ $this->parent = $this->parent->parent;
|
|
|
|
1886
|
+ }
|
|
|
|
1887
|
+
|
|
|
|
1888
|
+ // If we don't have a match add current tag as text node
|
|
|
|
1889
|
+ if (strtolower($this->parent->tag) !== $tag_lower) {
|
|
|
|
1890
|
+ $this->parent = $org_parent; // restore origonal parent
|
|
|
|
1891
|
+ $this->parent->_[HDOM_INFO_END] = $this->cursor;
|
|
|
|
1892
|
+ return $this->as_text_node($tag);
|
|
|
|
1893
|
+ }
|
|
|
|
1894
|
+ } elseif (($this->parent->parent)
|
|
|
|
1895
|
+ && strtolower($this->parent->parent->tag) === $tag_lower
|
|
|
|
1896
|
+ ) { // Grandparent exists and current tag closes it
|
|
|
|
1897
|
+ $this->parent->_[HDOM_INFO_END] = 0;
|
|
|
|
1898
|
+ $this->parent = $this->parent->parent;
|
|
|
|
1899
|
+ } else { // Random tag, add as text node
|
|
|
|
1900
|
+ return $this->as_text_node($tag);
|
|
|
|
1901
|
+ }
|
|
|
|
1902
|
+ }
|
|
|
|
1903
|
+
|
|
|
|
1904
|
+ // Set end position of parent tag to current cursor position
|
|
|
|
1905
|
+ $this->parent->_[HDOM_INFO_END] = $this->cursor;
|
|
|
|
1906
|
+
|
|
|
|
1907
|
+ if ($this->parent->parent) {
|
|
|
|
1908
|
+ $this->parent = $this->parent->parent;
|
|
|
|
1909
|
+ }
|
|
|
|
1910
|
+
|
|
|
|
1911
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
1912
|
+ return true;
|
|
|
|
1913
|
+ }
|
|
|
|
1914
|
+
|
|
|
|
1915
|
+ // start tag
|
|
|
|
1916
|
+ $node = new simple_html_dom_node($this);
|
|
|
|
1917
|
+ $node->_[HDOM_INFO_BEGIN] = $this->cursor;
|
|
|
|
1918
|
+ ++$this->cursor;
|
|
|
|
1919
|
+ $tag = $this->copy_until($this->token_slash); // Get tag name
|
|
|
|
1920
|
+ $node->tag_start = $begin_tag_pos;
|
|
|
|
1921
|
+
|
|
|
|
1922
|
+ // doctype, cdata & comments...
|
|
|
|
1923
|
+ // <!DOCTYPE html>
|
|
|
|
1924
|
+ // <![CDATA[ ... ]]>
|
|
|
|
1925
|
+ // <!-- Comment -->
|
|
|
|
1926
|
+ if (isset($tag[0]) && $tag[0] === '!') {
|
|
|
|
1927
|
+ $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until_char('>');
|
|
|
|
1928
|
+
|
|
|
|
1929
|
+ if (isset($tag[2]) && $tag[1] === '-' && $tag[2] === '-') { // Comment ("<!--")
|
|
|
|
1930
|
+ $node->nodetype = HDOM_TYPE_COMMENT;
|
|
|
|
1931
|
+ $node->tag = 'comment';
|
|
|
|
1932
|
+ } else { // Could be doctype or CDATA but we don't care
|
|
|
|
1933
|
+ $node->nodetype = HDOM_TYPE_UNKNOWN;
|
|
|
|
1934
|
+ $node->tag = 'unknown';
|
|
|
|
1935
|
+ }
|
|
|
|
1936
|
+
|
|
|
|
1937
|
+ if ($this->char === '>') { $node->_[HDOM_INFO_TEXT] .= '>'; }
|
|
|
|
1938
|
+
|
|
|
|
1939
|
+ $this->link_nodes($node, true);
|
|
|
|
1940
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
1941
|
+ return true;
|
|
|
|
1942
|
+ }
|
|
|
|
1943
|
+
|
|
|
|
1944
|
+ // The start tag cannot contain another start tag, if so add as text
|
|
|
|
1945
|
+ // i.e. "<<html>"
|
|
|
|
1946
|
+ if ($pos = strpos($tag, '<') !== false) {
|
|
|
|
1947
|
+ $tag = '<' . substr($tag, 0, -1);
|
|
|
|
1948
|
+ $node->_[HDOM_INFO_TEXT] = $tag;
|
|
|
|
1949
|
+ $this->link_nodes($node, false);
|
|
|
|
1950
|
+ $this->char = $this->doc[--$this->pos]; // prev
|
|
|
|
1951
|
+ return true;
|
|
|
|
1952
|
+ }
|
|
|
|
1953
|
+
|
|
|
|
1954
|
+ // Handle invalid tag names (i.e. "<html#doc>")
|
|
|
|
1955
|
+ if (!preg_match('/^\w[\w:-]*$/', $tag)) {
|
|
|
|
1956
|
+ $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until('<>');
|
|
|
|
1957
|
+
|
|
|
|
1958
|
+ // Next char is the beginning of a new tag, don't touch it.
|
|
|
|
1959
|
+ if ($this->char === '<') {
|
|
|
|
1960
|
+ $this->link_nodes($node, false);
|
|
|
|
1961
|
+ return true;
|
|
|
|
1962
|
+ }
|
|
|
|
1963
|
+
|
|
|
|
1964
|
+ // Next char closes current tag, add and be done with it.
|
|
|
|
1965
|
+ if ($this->char === '>') { $node->_[HDOM_INFO_TEXT] .= '>'; }
|
|
|
|
1966
|
+ $this->link_nodes($node, false);
|
|
|
|
1967
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
1968
|
+ return true;
|
|
|
|
1969
|
+ }
|
|
|
|
1970
|
+
|
|
|
|
1971
|
+ // begin tag, add new node
|
|
|
|
1972
|
+ $node->nodetype = HDOM_TYPE_ELEMENT;
|
|
|
|
1973
|
+ $tag_lower = strtolower($tag);
|
|
|
|
1974
|
+ $node->tag = ($this->lowercase) ? $tag_lower : $tag;
|
|
|
|
1975
|
+
|
|
|
|
1976
|
+ // handle optional closing tags
|
|
|
|
1977
|
+ if (isset($this->optional_closing_tags[$tag_lower])) {
|
|
|
|
1978
|
+ // Traverse ancestors to close all optional closing tags
|
|
|
|
1979
|
+ while (isset($this->optional_closing_tags[$tag_lower][strtolower($this->parent->tag)])) {
|
|
|
|
1980
|
+ $this->parent->_[HDOM_INFO_END] = 0;
|
|
|
|
1981
|
+ $this->parent = $this->parent->parent;
|
|
|
|
1982
|
+ }
|
|
|
|
1983
|
+ $node->parent = $this->parent;
|
|
|
|
1984
|
+ }
|
|
|
|
1985
|
+
|
|
|
|
1986
|
+ $guard = 0; // prevent infinity loop
|
|
|
|
1987
|
+
|
|
|
|
1988
|
+ // [0] Space between tag and first attribute
|
|
|
|
1989
|
+ $space = array($this->copy_skip($this->token_blank), '', '');
|
|
|
|
1990
|
+
|
|
|
|
1991
|
+ // attributes
|
|
|
|
1992
|
+ do {
|
|
|
|
1993
|
+ // Everything until the first equal sign should be the attribute name
|
|
|
|
1994
|
+ $name = $this->copy_until($this->token_equal);
|
|
|
|
1995
|
+
|
|
|
|
1996
|
+ if ($name === '' && $this->char !== null && $space[0] === '') {
|
|
|
|
1997
|
+ break;
|
|
|
|
1998
|
+ }
|
|
|
|
1999
|
+
|
|
|
|
2000
|
+ if ($guard === $this->pos) { // Escape infinite loop
|
|
|
|
2001
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2002
|
+ continue;
|
|
|
|
2003
|
+ }
|
|
|
|
2004
|
+
|
|
|
|
2005
|
+ $guard = $this->pos;
|
|
|
|
2006
|
+
|
|
|
|
2007
|
+ // handle endless '<'
|
|
|
|
2008
|
+ // Out of bounds before the tag ended
|
|
|
|
2009
|
+ if ($this->pos >= $this->size - 1 && $this->char !== '>') {
|
|
|
|
2010
|
+ $node->nodetype = HDOM_TYPE_TEXT;
|
|
|
|
2011
|
+ $node->_[HDOM_INFO_END] = 0;
|
|
|
|
2012
|
+ $node->_[HDOM_INFO_TEXT] = '<' . $tag . $space[0] . $name;
|
|
|
|
2013
|
+ $node->tag = 'text';
|
|
|
|
2014
|
+ $this->link_nodes($node, false);
|
|
|
|
2015
|
+ return true;
|
|
|
|
2016
|
+ }
|
|
|
|
2017
|
+
|
|
|
|
2018
|
+ // handle mismatch '<'
|
|
|
|
2019
|
+ // Attributes cannot start after opening tag
|
|
|
|
2020
|
+ if ($this->doc[$this->pos - 1] == '<') {
|
|
|
|
2021
|
+ $node->nodetype = HDOM_TYPE_TEXT;
|
|
|
|
2022
|
+ $node->tag = 'text';
|
|
|
|
2023
|
+ $node->attr = array();
|
|
|
|
2024
|
+ $node->_[HDOM_INFO_END] = 0;
|
|
|
|
2025
|
+ $node->_[HDOM_INFO_TEXT] = substr(
|
|
|
|
2026
|
+ $this->doc,
|
|
|
|
2027
|
+ $begin_tag_pos,
|
|
|
|
2028
|
+ $this->pos - $begin_tag_pos - 1
|
|
|
|
2029
|
+ );
|
|
|
|
2030
|
+ $this->pos -= 2;
|
|
|
|
2031
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2032
|
+ $this->link_nodes($node, false);
|
|
|
|
2033
|
+ return true;
|
|
|
|
2034
|
+ }
|
|
|
|
2035
|
+
|
|
|
|
2036
|
+ if ($name !== '/' && $name !== '') { // this is a attribute name
|
|
|
|
2037
|
+ // [1] Whitespace after attribute name
|
|
|
|
2038
|
+ $space[1] = $this->copy_skip($this->token_blank);
|
|
|
|
2039
|
+
|
|
|
|
2040
|
+ $name = $this->restore_noise($name); // might be a noisy name
|
|
|
|
2041
|
+
|
|
|
|
2042
|
+ if ($this->lowercase) { $name = strtolower($name); }
|
|
|
|
2043
|
+
|
|
|
|
2044
|
+ if ($this->char === '=') { // attribute with value
|
|
|
|
2045
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2046
|
+ $this->parse_attr($node, $name, $space); // get attribute value
|
|
|
|
2047
|
+ } else {
|
|
|
|
2048
|
+ //no value attr: nowrap, checked selected...
|
|
|
|
2049
|
+ $node->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_NO;
|
|
|
|
2050
|
+ $node->attr[$name] = true;
|
|
|
|
2051
|
+ if ($this->char != '>') { $this->char = $this->doc[--$this->pos]; } // prev
|
|
|
|
2052
|
+ }
|
|
|
|
2053
|
+
|
|
|
|
2054
|
+ $node->_[HDOM_INFO_SPACE][] = $space;
|
|
|
|
2055
|
+
|
|
|
|
2056
|
+ // prepare for next attribute
|
|
|
|
2057
|
+ $space = array(
|
|
|
|
2058
|
+ $this->copy_skip($this->token_blank),
|
|
|
|
2059
|
+ '',
|
|
|
|
2060
|
+ ''
|
|
|
|
2061
|
+ );
|
|
|
|
2062
|
+ } else { // no more attributes
|
|
|
|
2063
|
+ break;
|
|
|
|
2064
|
+ }
|
|
|
|
2065
|
+ } while ($this->char !== '>' && $this->char !== '/'); // go until the tag ended
|
|
|
|
2066
|
+
|
|
|
|
2067
|
+ $this->link_nodes($node, true);
|
|
|
|
2068
|
+ $node->_[HDOM_INFO_ENDSPACE] = $space[0];
|
|
|
|
2069
|
+
|
|
|
|
2070
|
+ // handle empty tags (i.e. "<div/>")
|
|
|
|
2071
|
+ if ($this->copy_until_char('>') === '/') {
|
|
|
|
2072
|
+ $node->_[HDOM_INFO_ENDSPACE] .= '/';
|
|
|
|
2073
|
+ $node->_[HDOM_INFO_END] = 0;
|
|
|
|
2074
|
+ } else {
|
|
|
|
2075
|
+ // reset parent
|
|
|
|
2076
|
+ if (!isset($this->self_closing_tags[strtolower($node->tag)])) {
|
|
|
|
2077
|
+ $this->parent = $node;
|
|
|
|
2078
|
+ }
|
|
|
|
2079
|
+ }
|
|
|
|
2080
|
+
|
|
|
|
2081
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2082
|
+
|
|
|
|
2083
|
+ // If it's a BR tag, we need to set it's text to the default text.
|
|
|
|
2084
|
+ // This way when we see it in plaintext, we can generate formatting that the user wants.
|
|
|
|
2085
|
+ // since a br tag never has sub nodes, this works well.
|
|
|
|
2086
|
+ if ($node->tag === 'br') {
|
|
|
|
2087
|
+ $node->_[HDOM_INFO_INNER] = $this->default_br_text;
|
|
|
|
2088
|
+ }
|
|
|
|
2089
|
+
|
|
|
|
2090
|
+ return true;
|
|
|
|
2091
|
+ }
|
|
|
|
2092
|
+
|
|
|
|
2093
|
+ protected function parse_attr($node, $name, &$space)
|
|
|
|
2094
|
+ {
|
|
|
|
2095
|
+ $is_duplicate = isset($node->attr[$name]);
|
|
|
|
2096
|
+
|
|
|
|
2097
|
+ if (!$is_duplicate) // Copy whitespace between "=" and value
|
|
|
|
2098
|
+ $space[2] = $this->copy_skip($this->token_blank);
|
|
|
|
2099
|
+
|
|
|
|
2100
|
+ switch ($this->char) {
|
|
|
|
2101
|
+ case '"':
|
|
|
|
2102
|
+ $quote_type = HDOM_QUOTE_DOUBLE;
|
|
|
|
2103
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2104
|
+ $value = $this->copy_until_char('"');
|
|
|
|
2105
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2106
|
+ break;
|
|
|
|
2107
|
+ case '\'':
|
|
|
|
2108
|
+ $quote_type = HDOM_QUOTE_SINGLE;
|
|
|
|
2109
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2110
|
+ $value = $this->copy_until_char('\'');
|
|
|
|
2111
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2112
|
+ break;
|
|
|
|
2113
|
+ default:
|
|
|
|
2114
|
+ $quote_type = HDOM_QUOTE_NO;
|
|
|
|
2115
|
+ $value = $this->copy_until($this->token_attr);
|
|
|
|
2116
|
+ }
|
|
|
|
2117
|
+
|
|
|
|
2118
|
+ $value = $this->restore_noise($value);
|
|
|
|
2119
|
+
|
|
|
|
2120
|
+ // PaperG: Attributes should not have \r or \n in them, that counts as
|
|
|
|
2121
|
+ // html whitespace.
|
|
|
|
2122
|
+ $value = str_replace("\r", '', $value);
|
|
|
|
2123
|
+ $value = str_replace("\n", '', $value);
|
|
|
|
2124
|
+
|
|
|
|
2125
|
+ // PaperG: If this is a "class" selector, lets get rid of the preceeding
|
|
|
|
2126
|
+ // and trailing space since some people leave it in the multi class case.
|
|
|
|
2127
|
+ if ($name === 'class') {
|
|
|
|
2128
|
+ $value = trim($value);
|
|
|
|
2129
|
+ }
|
|
|
|
2130
|
+
|
|
|
|
2131
|
+ if (!$is_duplicate) {
|
|
|
|
2132
|
+ $node->_[HDOM_INFO_QUOTE][] = $quote_type;
|
|
|
|
2133
|
+ $node->attr[$name] = $value;
|
|
|
|
2134
|
+ }
|
|
|
|
2135
|
+ }
|
|
|
|
2136
|
+
|
|
|
|
2137
|
+ protected function link_nodes(&$node, $is_child)
|
|
|
|
2138
|
+ {
|
|
|
|
2139
|
+ $node->parent = $this->parent;
|
|
|
|
2140
|
+ $this->parent->nodes[] = $node;
|
|
|
|
2141
|
+ if ($is_child) {
|
|
|
|
2142
|
+ $this->parent->children[] = $node;
|
|
|
|
2143
|
+ }
|
|
|
|
2144
|
+ }
|
|
|
|
2145
|
+
|
|
|
|
2146
|
+ protected function as_text_node($tag)
|
|
|
|
2147
|
+ {
|
|
|
|
2148
|
+ $node = new simple_html_dom_node($this);
|
|
|
|
2149
|
+ ++$this->cursor;
|
|
|
|
2150
|
+ $node->_[HDOM_INFO_TEXT] = '</' . $tag . '>';
|
|
|
|
2151
|
+ $this->link_nodes($node, false);
|
|
|
|
2152
|
+ $this->char = (++$this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2153
|
+ return true;
|
|
|
|
2154
|
+ }
|
|
|
|
2155
|
+
|
|
|
|
2156
|
+ protected function skip($chars)
|
|
|
|
2157
|
+ {
|
|
|
|
2158
|
+ $this->pos += strspn($this->doc, $chars, $this->pos);
|
|
|
|
2159
|
+ $this->char = ($this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2160
|
+ }
|
|
|
|
2161
|
+
|
|
|
|
2162
|
+ protected function copy_skip($chars)
|
|
|
|
2163
|
+ {
|
|
|
|
2164
|
+ $pos = $this->pos;
|
|
|
|
2165
|
+ $len = strspn($this->doc, $chars, $pos);
|
|
|
|
2166
|
+ $this->pos += $len;
|
|
|
|
2167
|
+ $this->char = ($this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2168
|
+ if ($len === 0) { return ''; }
|
|
|
|
2169
|
+ return substr($this->doc, $pos, $len);
|
|
|
|
2170
|
+ }
|
|
|
|
2171
|
+
|
|
|
|
2172
|
+ protected function copy_until($chars)
|
|
|
|
2173
|
+ {
|
|
|
|
2174
|
+ $pos = $this->pos;
|
|
|
|
2175
|
+ $len = strcspn($this->doc, $chars, $pos);
|
|
|
|
2176
|
+ $this->pos += $len;
|
|
|
|
2177
|
+ $this->char = ($this->pos < $this->size) ? $this->doc[$this->pos] : null; // next
|
|
|
|
2178
|
+ return substr($this->doc, $pos, $len);
|
|
|
|
2179
|
+ }
|
|
|
|
2180
|
+
|
|
|
|
2181
|
+ protected function copy_until_char($char)
|
|
|
|
2182
|
+ {
|
|
|
|
2183
|
+ if ($this->char === null) { return ''; }
|
|
|
|
2184
|
+
|
|
|
|
2185
|
+ if (($pos = strpos($this->doc, $char, $this->pos)) === false) {
|
|
|
|
2186
|
+ $ret = substr($this->doc, $this->pos, $this->size - $this->pos);
|
|
|
|
2187
|
+ $this->char = null;
|
|
|
|
2188
|
+ $this->pos = $this->size;
|
|
|
|
2189
|
+ return $ret;
|
|
|
|
2190
|
+ }
|
|
|
|
2191
|
+
|
|
|
|
2192
|
+ if ($pos === $this->pos) { return ''; }
|
|
|
|
2193
|
+
|
|
|
|
2194
|
+ $pos_old = $this->pos;
|
|
|
|
2195
|
+ $this->char = $this->doc[$pos];
|
|
|
|
2196
|
+ $this->pos = $pos;
|
|
|
|
2197
|
+ return substr($this->doc, $pos_old, $pos - $pos_old);
|
|
|
|
2198
|
+ }
|
|
|
|
2199
|
+
|
|
|
|
2200
|
+ protected function remove_noise($pattern, $remove_tag = false)
|
|
|
|
2201
|
+ {
|
|
|
|
2202
|
+ global $debug_object;
|
|
|
|
2203
|
+ if (is_object($debug_object)) { $debug_object->debug_log_entry(1); }
|
|
|
|
2204
|
+
|
|
|
|
2205
|
+ $count = preg_match_all(
|
|
|
|
2206
|
+ $pattern,
|
|
|
|
2207
|
+ $this->doc,
|
|
|
|
2208
|
+ $matches,
|
|
|
|
2209
|
+ PREG_SET_ORDER | PREG_OFFSET_CAPTURE
|
|
|
|
2210
|
+ );
|
|
|
|
2211
|
+
|
|
|
|
2212
|
+ for ($i = $count - 1; $i > -1; --$i) {
|
|
|
|
2213
|
+ $key = '___noise___' . sprintf('% 5d', count($this->noise) + 1000);
|
|
|
|
2214
|
+
|
|
|
|
2215
|
+ if (is_object($debug_object)) {
|
|
|
|
2216
|
+ $debug_object->debug_log(2, 'key is: ' . $key);
|
|
|
|
2217
|
+ }
|
|
|
|
2218
|
+
|
|
|
|
2219
|
+ $idx = ($remove_tag) ? 0 : 1; // 0 = entire match, 1 = submatch
|
|
|
|
2220
|
+ $this->noise[$key] = $matches[$i][$idx][0];
|
|
|
|
2221
|
+ $this->doc = substr_replace($this->doc, $key, $matches[$i][$idx][1], strlen($matches[$i][$idx][0]));
|
|
|
|
2222
|
+ }
|
|
|
|
2223
|
+
|
|
|
|
2224
|
+ // reset the length of content
|
|
|
|
2225
|
+ $this->size = strlen($this->doc);
|
|
|
|
2226
|
+
|
|
|
|
2227
|
+ if ($this->size > 0) {
|
|
|
|
2228
|
+ $this->char = $this->doc[0];
|
|
|
|
2229
|
+ }
|
|
|
|
2230
|
+ }
|
|
|
|
2231
|
+
|
|
|
|
2232
|
+ function restore_noise($text)
|
|
|
|
2233
|
+ {
|
|
|
|
2234
|
+ global $debug_object;
|
|
|
|
2235
|
+ if (is_object($debug_object)) { $debug_object->debug_log_entry(1); }
|
|
|
|
2236
|
+
|
|
|
|
2237
|
+ while (($pos = strpos($text, '___noise___')) !== false) {
|
|
|
|
2238
|
+ // Sometimes there is a broken piece of markup, and we don't GET the
|
|
|
|
2239
|
+ // pos+11 etc... token which indicates a problem outside of us...
|
|
|
|
2240
|
+
|
|
|
|
2241
|
+ // todo: "___noise___1000" (or any number with four or more digits)
|
|
|
|
2242
|
+ // in the DOM causes an infinite loop which could be utilized by
|
|
|
|
2243
|
+ // malicious software
|
|
|
|
2244
|
+ if (strlen($text) > $pos + 15) {
|
|
|
|
2245
|
+ $key = '___noise___'
|
|
|
|
2246
|
+ . $text[$pos + 11]
|
|
|
|
2247
|
+ . $text[$pos + 12]
|
|
|
|
2248
|
+ . $text[$pos + 13]
|
|
|
|
2249
|
+ . $text[$pos + 14]
|
|
|
|
2250
|
+ . $text[$pos + 15];
|
|
|
|
2251
|
+
|
|
|
|
2252
|
+ if (is_object($debug_object)) {
|
|
|
|
2253
|
+ $debug_object->debug_log(2, 'located key of: ' . $key);
|
|
|
|
2254
|
+ }
|
|
|
|
2255
|
+
|
|
|
|
2256
|
+ if (isset($this->noise[$key])) {
|
|
|
|
2257
|
+ $text = substr($text, 0, $pos)
|
|
|
|
2258
|
+ . $this->noise[$key]
|
|
|
|
2259
|
+ . substr($text, $pos + 16);
|
|
|
|
2260
|
+ } else {
|
|
|
|
2261
|
+ // do this to prevent an infinite loop.
|
|
|
|
2262
|
+ $text = substr($text, 0, $pos)
|
|
|
|
2263
|
+ . 'UNDEFINED NOISE FOR KEY: '
|
|
|
|
2264
|
+ . $key
|
|
|
|
2265
|
+ . substr($text, $pos + 16);
|
|
|
|
2266
|
+ }
|
|
|
|
2267
|
+ } else {
|
|
|
|
2268
|
+ // There is no valid key being given back to us... We must get
|
|
|
|
2269
|
+ // rid of the ___noise___ or we will have a problem.
|
|
|
|
2270
|
+ $text = substr($text, 0, $pos)
|
|
|
|
2271
|
+ . 'NO NUMERIC NOISE KEY'
|
|
|
|
2272
|
+ . substr($text, $pos + 11);
|
|
|
|
2273
|
+ }
|
|
|
|
2274
|
+ }
|
|
|
|
2275
|
+ return $text;
|
|
|
|
2276
|
+ }
|
|
|
|
2277
|
+
|
|
|
|
2278
|
+ function search_noise($text)
|
|
|
|
2279
|
+ {
|
|
|
|
2280
|
+ global $debug_object;
|
|
|
|
2281
|
+ if (is_object($debug_object)) { $debug_object->debug_log_entry(1); }
|
|
|
|
2282
|
+
|
|
|
|
2283
|
+ foreach($this->noise as $noiseElement) {
|
|
|
|
2284
|
+ if (strpos($noiseElement, $text) !== false) {
|
|
|
|
2285
|
+ return $noiseElement;
|
|
|
|
2286
|
+ }
|
|
|
|
2287
|
+ }
|
|
|
|
2288
|
+ }
|
|
|
|
2289
|
+
|
|
|
|
2290
|
+ function __toString()
|
|
|
|
2291
|
+ {
|
|
|
|
2292
|
+ return $this->root->innertext();
|
|
|
|
2293
|
+ }
|
|
|
|
2294
|
+
|
|
|
|
2295
|
+ function __get($name)
|
|
|
|
2296
|
+ {
|
|
|
|
2297
|
+ switch ($name) {
|
|
|
|
2298
|
+ case 'outertext':
|
|
|
|
2299
|
+ return $this->root->innertext();
|
|
|
|
2300
|
+ case 'innertext':
|
|
|
|
2301
|
+ return $this->root->innertext();
|
|
|
|
2302
|
+ case 'plaintext':
|
|
|
|
2303
|
+ return $this->root->text();
|
|
|
|
2304
|
+ case 'charset':
|
|
|
|
2305
|
+ return $this->_charset;
|
|
|
|
2306
|
+ case 'target_charset':
|
|
|
|
2307
|
+ return $this->_target_charset;
|
|
|
|
2308
|
+ }
|
|
|
|
2309
|
+ }
|
|
|
|
2310
|
+
|
|
|
|
2311
|
+ function childNodes($idx = -1)
|
|
|
|
2312
|
+ {
|
|
|
|
2313
|
+ return $this->root->childNodes($idx);
|
|
|
|
2314
|
+ }
|
|
|
|
2315
|
+
|
|
|
|
2316
|
+ function firstChild()
|
|
|
|
2317
|
+ {
|
|
|
|
2318
|
+ return $this->root->first_child();
|
|
|
|
2319
|
+ }
|
|
|
|
2320
|
+
|
|
|
|
2321
|
+ function lastChild()
|
|
|
|
2322
|
+ {
|
|
|
|
2323
|
+ return $this->root->last_child();
|
|
|
|
2324
|
+ }
|
|
|
|
2325
|
+
|
|
|
|
2326
|
+ function createElement($name, $value = null)
|
|
|
|
2327
|
+ {
|
|
|
|
2328
|
+ return @str_get_html("<$name>$value</$name>")->firstChild();
|
|
|
|
2329
|
+ }
|
|
|
|
2330
|
+
|
|
|
|
2331
|
+ function createTextNode($value)
|
|
|
|
2332
|
+ {
|
|
|
|
2333
|
+ return @end(str_get_html($value)->nodes);
|
|
|
|
2334
|
+ }
|
|
|
|
2335
|
+
|
|
|
|
2336
|
+ function getElementById($id)
|
|
|
|
2337
|
+ {
|
|
|
|
2338
|
+ return $this->find("#$id", 0);
|
|
|
|
2339
|
+ }
|
|
|
|
2340
|
+
|
|
|
|
2341
|
+ function getElementsById($id, $idx = null)
|
|
|
|
2342
|
+ {
|
|
|
|
2343
|
+ return $this->find("#$id", $idx);
|
|
|
|
2344
|
+ }
|
|
|
|
2345
|
+
|
|
|
|
2346
|
+ function getElementByTagName($name)
|
|
|
|
2347
|
+ {
|
|
|
|
2348
|
+ return $this->find($name, 0);
|
|
|
|
2349
|
+ }
|
|
|
|
2350
|
+
|
|
|
|
2351
|
+ function getElementsByTagName($name, $idx = -1)
|
|
|
|
2352
|
+ {
|
|
|
|
2353
|
+ return $this->find($name, $idx);
|
|
|
|
2354
|
+ }
|
|
|
|
2355
|
+
|
|
|
|
2356
|
+ function loadFile()
|
|
|
|
2357
|
+ {
|
|
|
|
2358
|
+ $args = func_get_args();
|
|
|
|
2359
|
+ $this->load_file($args);
|
|
|
|
2360
|
+ }
|
|
|
|
2361
|
+} |