[795] | 1 | <?php |
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| 2 | require_once('class.utils.php'); |
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| 3 | |
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| 4 | /** |
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| 5 | * Generates XML from vectors and vice-versa |
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| 6 | * @author Carlos Eduardo Nogueira Gonçalves |
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| 7 | * @author Enderlin Ivan <enderlin.ivan@firegates.com> Classe Clean XML To Array |
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| 8 | * @link http://www.phpclasses.org/browse/package/3598.html Classe Clean XML To Array |
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| 9 | * @author Johnny Brochard <johnny.brochard@libertysurf.fr> Classe Array 2 XML |
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| 10 | * @link http://www.phpclasses.org/browse/package/1826.html Classe Array 2 XML |
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| 11 | * @version 1.0 |
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| 12 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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| 13 | * @package Workflow |
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| 14 | */ |
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| 15 | class XmlUtils extends Utils |
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| 16 | { |
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| 17 | /** |
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| 18 | * Xml parser container |
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| 19 | * @var resource parser |
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| 20 | * @access private |
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| 21 | * @see XmlUtils::fromXML |
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| 22 | */ |
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| 23 | var $parser; |
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| 24 | /** |
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| 25 | * Parse result |
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| 26 | * @var array pOut |
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| 27 | * @access private |
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| 28 | * @see XmlUtils::fromXML |
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| 29 | */ |
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| 30 | var $pOut = array(); |
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| 31 | /** |
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| 32 | * Contains the overlap tag temporarily |
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| 33 | * @var array track |
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| 34 | * @access private |
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| 35 | * @see XmlUtils::fromXML |
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| 36 | */ |
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| 37 | var $track = array(); |
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| 38 | /** |
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| 39 | * Current tag level |
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| 40 | * @var string tmpLevel |
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| 41 | * @access private |
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| 42 | * @see XmlUtils::fromXML |
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| 43 | */ |
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| 44 | var $tmpLevel; |
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| 45 | /** |
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| 46 | * Attribut of current tag |
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| 47 | * @var array tmpAttrLevel |
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| 48 | * @access private |
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| 49 | * @see XmlUtils::fromXML |
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| 50 | */ |
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| 51 | var $tmpAttrLevel = array(); |
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| 52 | /** |
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| 53 | * Write result |
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| 54 | * @var string wOut |
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| 55 | * @access private |
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| 56 | * @see XmlUtils::fromXML |
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| 57 | */ |
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| 58 | var $wOut = ''; |
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| 59 | |
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| 60 | /** |
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| 61 | * XML Array |
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| 62 | * @var array |
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| 63 | * @access private |
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| 64 | * @see XmlUtils::toXML |
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| 65 | */ |
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| 66 | var $XMLArray; |
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| 67 | |
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| 68 | /** |
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| 69 | * DOM document instance |
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| 70 | * @var DomDocument |
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| 71 | * @access private |
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| 72 | * @see XmlUtils::toXML |
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| 73 | */ |
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| 74 | var $doc; |
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| 75 | |
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| 76 | /** |
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| 77 | * Gets vector from XML |
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| 78 | * |
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| 79 | * @access public |
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| 80 | * @param string $src Source |
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| 81 | * @param string $typeof Source type : NULL, FILE, CURL |
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| 82 | * @param string $encoding Encoding type |
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| 83 | * @return array |
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| 84 | */ |
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| 85 | function fromXML ( $src, $typeof = 'FILE', $encoding = 'UTF-8' ) |
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| 86 | { |
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| 87 | // ini; |
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| 88 | // (re)set array; |
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| 89 | $this->pOut = array(); |
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| 90 | $this->parser = xml_parser_create(); |
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| 91 | xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0); |
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| 92 | xml_parser_set_option($this->parser, XML_OPTION_TARGET_ENCODING, $encoding); |
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| 93 | xml_set_object($this->parser, $this); |
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| 94 | xml_set_element_handler($this->parser, '_startHandler', '_endHandler'); |
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| 95 | xml_set_character_data_handler($this->parser, '_contentHandler'); |
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| 96 | // format source; |
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| 97 | if($typeof == NULL) { |
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| 98 | $data = $src; |
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| 99 | } |
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| 100 | elseif($typeof == 'FILE') { |
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| 101 | $fop = fopen($src, 'r'); |
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| 102 | $data = fread($fop, filesize($src)); |
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| 103 | fclose($fop); |
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| 104 | } |
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| 105 | elseif($typeof == 'CURL') { |
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| 106 | $curl = curl_init(); |
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| 107 | curl_setopt($curl, CURLOPT_URL, $src); |
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| 108 | curl_setopt($curl, CURLOPT_HEADER, 0); |
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| 109 | $data = curl_exec($curl); |
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| 110 | curl_close($curl); |
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| 111 | } |
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| 112 | else { |
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| 113 | $this->raiseError('O analisador XML precisa de informações', __FILE__, __LINE__); |
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| 114 | } |
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| 115 | // parse $data; |
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| 116 | $parse = xml_parse($this->parser, $data); |
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| 117 | if(!$parse) { |
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| 118 | $this->raiseError |
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| 119 | ( |
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| 120 | 'XML Error : ' . |
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| 121 | xml_error_string(xml_get_error_code($this->parser)) . |
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| 122 | ' at line ' . |
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| 123 | xml_get_current_line_number($this->parser) , |
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| 124 | __FILE__ , |
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| 125 | __LINE__ |
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| 126 | ); |
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| 127 | } |
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| 128 | // destroy parser; |
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| 129 | xml_parser_free($this->parser); |
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| 130 | // unset extra vars; |
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| 131 | unset($data, |
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| 132 | $this->track, |
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| 133 | $this->tmpLevel, |
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| 134 | $this->tmpAttrLevel); |
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| 135 | // remove global tag and return the result; |
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| 136 | return $this->pOut[0][key($this->pOut[0])]; |
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| 137 | } |
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| 138 | |
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| 139 | /** |
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| 140 | * Converts vectors to XML |
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| 141 | * |
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| 142 | * @param array $input Vector, associative or not, to be parsed into XML |
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| 143 | * @param string $rootName Root tag's label |
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| 144 | * @access public |
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| 145 | * @return string |
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| 146 | */ |
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| 147 | function toXML($input, $rootName="") |
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| 148 | { |
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| 149 | if (is_array($input) && count($input) != 0){ |
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| 150 | $this->XMLArray = $input; |
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| 151 | } else { |
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| 152 | $this->raiseError('O argumento a ser convertido deve ser um array com pelo menos 1 elemento', __FILE__, __LINE__); |
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| 153 | } |
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| 154 | global $debug; |
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| 155 | $this->doc = domxml_new_doc("1.0"); |
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| 156 | $arr = array(); |
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| 157 | if (count($this->XMLArray) > 1) { |
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| 158 | if ($rootName != "") { |
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| 159 | $root = $this->doc->create_element($rootName); |
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| 160 | } else { |
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| 161 | $root = $this->doc->create_element("root"); |
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| 162 | $rootName = "root"; |
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| 163 | } |
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| 164 | $arr = $this->XMLArray; |
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| 165 | } else { |
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| 166 | $key = key($this->XMLArray); |
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| 167 | $val = $this->XMLArray[$key]; |
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| 168 | if (!is_int($key)) { |
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| 169 | $root = $this->doc->create_element($key); |
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| 170 | $rootName = $key; |
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| 171 | } else { |
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| 172 | if ($rootName != "") { |
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| 173 | $root = $this->doc->create_element($rootName); |
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| 174 | } else { |
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| 175 | $root = $this->doc->create_element("root"); |
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| 176 | $rootName = "root"; |
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| 177 | } |
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| 178 | } |
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| 179 | $arr = $this->XMLArray[$key]; |
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| 180 | } |
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| 181 | $root = $this->doc->append_child($root); |
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| 182 | $this->_addArray($arr, $root, $rootName); |
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| 183 | return($this->doc->dump_mem(true)); |
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| 184 | } |
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| 185 | |
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| 186 | /** |
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| 187 | * Manages the open tag, and these attributs by callback |
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| 188 | * The purpose is to create a pointer : {{int ptr}} |
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| 189 | * If the pointer exists, we have a multi-tag situation |
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| 190 | * Tag name is stocked like : '<tag>' |
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| 191 | * Attributs is stocked like : '<tag>-ATTR' |
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| 192 | * Returns TRUE but built $this->pOut |
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| 193 | * |
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| 194 | * @access private |
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| 195 | * @param resource $parser Parser resource |
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| 196 | * @param string $tag Tag name |
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| 197 | * @param array $attr Attribut |
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| 198 | * @return bool |
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| 199 | * @see XmlUtils::fromXML |
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| 200 | */ |
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| 201 | function _startHandler ( $parser, $tag, $attr ) |
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| 202 | { |
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| 203 | static $attrLevel = -1; |
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| 204 | static $fnstAttr = TRUE; |
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| 205 | $attrLevel++; |
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| 206 | // built $this->track; |
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| 207 | $this->track[] = $tag; |
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| 208 | // place pointer to the end; |
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| 209 | end($this->track); |
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| 210 | // temp level; |
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| 211 | $this->tmpLevel = key($this->track); |
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| 212 | // built $this->pOut; |
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| 213 | if(!isset($this->pOut[key($this->track)][$tag])) { |
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| 214 | $this->pOut[key($this->track)][$tag] = '{{'.key($this->track).'}}'; |
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| 215 | $attrLevel = 0; |
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| 216 | $this->tmpAttrLevel = array(); |
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| 217 | } |
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| 218 | // built attributs; |
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| 219 | if(!empty($attr)) { |
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| 220 | $this->tmpAttrLevel[] = $attrLevel; |
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| 221 | end($this->tmpAttrLevel); |
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| 222 | // it's the first attribut; |
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| 223 | if(!isset($this->pOut[key($this->track)][$tag.'-ATTR'])) { |
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| 224 | $this->pOut[key($this->track)][$tag.'-ATTR'] = $attr; |
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| 225 | } else { // or it's not the first; |
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| 226 | // so it's the second; |
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| 227 | if($fnstAttr === TRUE) { |
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| 228 | $this->pOut[key($this->track)][$tag.'-ATTR'] = array( |
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| 229 | prev($this->tmpAttrLevel) => $this->pOut[key($this->track)][$tag.'-ATTR'], |
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| 230 | next($this->tmpAttrLevel) => $attr |
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| 231 | ); |
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| 232 | $fnstAttr = FALSE; |
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| 233 | } else { // or one other; |
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| 234 | $this->pOut[key($this->track)][$tag.'-ATTR'][current($this->tmpAttrLevel)] = $attr; |
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| 235 | } |
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| 236 | } |
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| 237 | } |
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| 238 | return TRUE; |
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| 239 | } |
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| 240 | |
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| 241 | /** |
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| 242 | * Detects the pointer, or the multi-tag by callback |
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| 243 | * If we have a pointer, the method replaces this pointer by the content |
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| 244 | * Else we have a multi-tag, the method add a element to this array |
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| 245 | * This method returns TRUE but built $this->pOut |
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| 246 | * |
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| 247 | * @access private |
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| 248 | * @param resource $parser Parser resource |
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| 249 | * @param string $contentHandler Tag content |
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| 250 | * @return bool |
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| 251 | * @see XmlUtils::fromXML |
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| 252 | */ |
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| 253 | function _contentHandler ( $parser, $contentHandler ) |
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| 254 | { |
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| 255 | // remove all spaces; |
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| 256 | if(!preg_match('#^[[:space:]]*$#', $contentHandler)) { |
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| 257 | // $contentHandler is a string; |
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| 258 | if(is_string($this->pOut[key($this->track)][current($this->track)])) { |
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| 259 | // then $contentHandler is a pointer : {{int ptr}} case 1; |
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| 260 | if(preg_match('#{{([0-9]+)}}#', $this->pOut[key($this->track)][current($this->track)])) { |
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| 261 | $this->pOut[key($this->track)][current($this->track)] = $contentHandler; |
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| 262 | } else { // or then $contentHandler is a multi-tag content case 2; |
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| 263 | $this->pOut[key($this->track)][current($this->track)] = array( |
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| 264 | 0 => $this->pOut[key($this->track)][current($this->track)], |
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| 265 | 1 => $contentHandler |
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| 266 | ); |
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| 267 | } |
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| 268 | } else { // or $contentHandler is an array; |
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| 269 | // then $contentHandler is the multi-tag array case 1; |
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| 270 | if(isset($this->pOut[key($this->track)][current($this->track)][0])) { |
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| 271 | $this->pOut[key($this->track)][current($this->track)][] = $contentHandler; |
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| 272 | } else { // or then $contentHandler is a node-tag case 2; |
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| 273 | $this->pOut[key($this->track)][current($this->track)] = array( |
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| 274 | 0 => $this->pOut[key($this->track)][current($this->track)], |
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| 275 | 1 => $contentHandler |
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| 276 | ); |
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| 277 | } |
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| 278 | } |
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| 279 | } |
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| 280 | return TRUE; |
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| 281 | } |
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| 282 | |
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| 283 | /** |
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| 284 | * Detects the last pointer by callback |
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| 285 | * Move the last tags block up |
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| 286 | * And reset some temp variables |
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| 287 | * This method returns TRUE but built $this->pOut |
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| 288 | * @param resource $parser Parser resource |
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| 289 | * @param string $tag Tag name |
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| 290 | * @return bool |
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| 291 | * @see XmlUtils::fromXML |
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| 292 | * @access public |
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| 293 | */ |
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| 294 | function _endHandler ( $parser, $tag ) |
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| 295 | { |
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| 296 | // if level--; |
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| 297 | if(key($this->track) == $this->tmpLevel-1) { |
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| 298 | // search up tag; |
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| 299 | // use array_keys if an empty tag exists (taking the last tag); |
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| 300 | // if it's a normal framaset; |
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| 301 | $keyBack = array_keys($this->pOut[key($this->track)], '{{'.key($this->track).'}}'); |
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| 302 | $count = count($keyBack); |
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| 303 | if($count != 0) { |
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| 304 | $keyBack = $keyBack{$count-1}; |
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| 305 | // move this level up; |
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| 306 | $this->pOut[key($this->track)][$keyBack] = $this->pOut[key($this->track)+1]; |
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| 307 | } else { // if we have a multi-tag framaset ($count == 0); |
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| 308 | // if place is set; |
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| 309 | if(isset($this->pOut[key($this->track)][current($this->track)][0])) { |
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| 310 | // if it's a string, we built an array; |
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| 311 | if(is_string($this->pOut[key($this->track)][current($this->track)])) { |
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| 312 | $this->pOut[key($this->track)][current($this->track)] = array( |
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| 313 | 0 => $this->pOut[key($this->track)][current($this->track)], |
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| 314 | 1 => $this->pOut[key($this->track)+1] |
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| 315 | ); |
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| 316 | } else { // else add an index into the array; |
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| 317 | $this->pOut[key($this->track)][current($this->track)][] = $this->pOut[key($this->track)+1]; |
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| 318 | } |
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| 319 | } else { // else set the place; |
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| 320 | $this->pOut[key($this->track)][current($this->track)] = array( |
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| 321 | 0 => $this->pOut[key($this->track)][current($this->track)], |
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| 322 | 1 => $this->pOut[key($this->track)+1] |
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| 323 | ); |
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| 324 | } |
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| 325 | } |
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| 326 | // kick $this->pOut level out; |
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| 327 | array_pop($this->pOut); |
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| 328 | end($this->pOut); |
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| 329 | } |
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| 330 | // re-temp level; |
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| 331 | $this->tmpLevel = key($this->track); |
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| 332 | // kick $this->track level out; |
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| 333 | array_pop($this->track); |
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| 334 | end($this->track); |
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| 335 | return TRUE; |
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| 336 | } |
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| 337 | |
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| 338 | /** |
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| 339 | * Recursively converts nested arrays to nested XML tags |
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| 340 | * |
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| 341 | * @param array $arr |
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| 342 | * @param object &$n DomNode instance |
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| 343 | * @param string $name |
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| 344 | * @see XmlUtils::toXML |
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| 345 | * @access public |
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| 346 | * @return void |
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| 347 | */ |
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| 348 | function _addArray($arr, &$n, $name="") |
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| 349 | { |
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| 350 | foreach ($arr as $key => $val) { |
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| 351 | if (is_int($key)) { |
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| 352 | if (strlen($name)>1) { |
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| 353 | $newKey = substr($name, 0, strlen($name)-1); |
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| 354 | } else { |
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| 355 | $newKey="item"; |
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| 356 | } |
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| 357 | } else { |
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| 358 | $newKey = $key; |
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| 359 | } |
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| 360 | $node = $this->doc->create_element($newKey); |
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| 361 | if (is_array($val)) { |
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| 362 | $this->_addArray($arr[$key], $node, $key); |
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| 363 | } else { |
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| 364 | $nodeText = $this->doc->create_text_node($val); |
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| 365 | $node->append_child($nodeText); |
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| 366 | } |
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| 367 | $n->append_child($node); |
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| 368 | } |
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| 369 | } |
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| 370 | } |
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| 371 | ?> |
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