XMLWriter.php
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<?php
// Handle eval errors that cause the script to finish
$wpaeErrorHandler = new WpaePhpInterpreterErrorHandler();
register_shutdown_function(array($wpaeErrorHandler, 'handle'));
/**
* Class PMXE_XMLWriter
*/
class PMXE_XMLWriter extends XMLWriter
{
/**
* @var array
*/
public $articles = array();
/**
* @param array $articles
*/
public function writeArticle($articles = array())
{
$article = array_shift($articles);
if (!empty($articles)) {
$keys = array();
foreach ($articles as $a) {
foreach ($a as $key => $value) {
if (!isset($article[$key])) {
$article[$key] = array($value);
} else {
if (is_array($article[$key])){
array_push($article[$key], $value);
}
else{
$article[$key] = array($article[$key], $value);
}
}
if (!in_array($key, $keys)) $keys[] = $key;
}
}
}
if (!empty($article)) {
foreach ($article as $key => $value) {
if (!is_array($value) && strpos($value, '#delimiter#') !== FALSE) {
$article[$key] = explode('#delimiter#', $value);
}
}
}
$this->articles[] = $article;
}
/**
* @param $ns
* @param $element
* @param $uri
* @param $value
* @return bool
*/
public function putElement($ns, $element, $uri, $value)
{
if (in_array(XmlExportEngine::$exportOptions['xml_template_type'], array('custom', 'XmlGoogleMerchants'))) return true;
if (empty($ns)) {
return $this->writeElement($element, $value);
} else {
return $this->writeElementNS($ns, $element, $uri, $value);
}
}
/**
* @param $ns
* @param $element
* @param $uri
* @return bool
*/
public function beginElement($ns, $element, $uri)
{
if (in_array(XmlExportEngine::$exportOptions['xml_template_type'], array('custom', 'XmlGoogleMerchants'))) return true;
if (empty($ns)) {
return $this->startElement($element);
} else {
return $this->startElementNS($ns, $element, $uri);
}
}
/**
* @return bool
*/
public function closeElement()
{
if (in_array(XmlExportEngine::$exportOptions['xml_template_type'], array('custom', 'XmlGoogleMerchants'))) return true;
return $this->endElement();
}
/**
* @param $value
* @param $element_name
*
* @return bool
*/
public function writeData($value, $element_name)
{
if (in_array(XmlExportEngine::$exportOptions['xml_template_type'], array('custom', 'XmlGoogleMerchants'))) return true;
$cdataStrategyFactory = new CdataStrategyFactory();
if (!isset(XmlExportEngine::$exportOptions['custom_xml_cdata_logic'])) {
XmlExportEngine::$exportOptions['custom_xml_cdata_logic'] = 'auto';
}
$cdataStrategy = $cdataStrategyFactory->create_strategy(XmlExportEngine::$exportOptions['custom_xml_cdata_logic']);
$is_wrap_into_cdata = $cdataStrategy->should_cdata_be_applied($value);
$wrap_value_into_cdata = apply_filters('wp_all_export_is_wrap_value_into_cdata', $is_wrap_into_cdata, $value, $element_name);
if ($wrap_value_into_cdata === false) {
$this->writeRaw($value);
} else {
if (XmlExportEngine::$is_preview && XmlExportEngine::$exportOptions['show_cdata_in_preview']) {
$this->text('CDATABEGIN' . $value . 'CDATACLOSE');
} else if (XmlExportEngine::$is_preview && !XmlExportEngine::$exportOptions['show_cdata_in_preview']) {
return $this->text($value);
} else {
$this->writeCdata($value);
}
}
}
/**
* @return mixed|string
*/
public function wpae_flush()
{
if (!in_array(XmlExportEngine::$exportOptions['xml_template_type'], array('custom', 'XmlGoogleMerchants'))) return $this->flush(true);
$xml = '';
foreach ($this->articles as $article) {
$founded_values = array_keys($article);
$node_tpl = XmlExportEngine::$exportOptions['custom_xml_template_loop'];
// clean up XPaths for not found values
preg_match_all("%(\{[^\}\{]*\})%", $node_tpl, $matches);
$xpaths = array_unique($matches[0]);
if (!empty($xpaths)) {
foreach ($xpaths as $xpath) {
if (!in_array(preg_replace("%[\{\}]%", "", $xpath), $founded_values)) {
$node_tpl = str_replace($xpath, "", $node_tpl);
}
}
}
foreach ($article as $key => $value) {
switch ($key) {
case 'id':
$node_tpl = str_replace('{'.$key.'}', '{' . $value . '}', $node_tpl);
break;
default:
// replace [ and ]
$v = str_replace(']', 'CLOSEBRAKET', str_replace('[', 'OPENBRAKET', $value));
// replace { and }
$v = str_replace('}', 'CLOSECURVE', str_replace('{', 'OPENCURVE', $v));
// replace ( and )
$v = str_replace(')', 'CLOSECIRCLE', str_replace('(', 'OPENCIRCLE', $v));
$originalValue = $v;
if (is_array($v)) {
foreach($v as &$val) {
$val = str_replace("\"","**DOUBLEQUOT**",$val);
$val = str_replace("'","**SINGLEQUOT**",$val);
}
$delimiter = uniqid();
$node_tpl = preg_replace('%\[(.*)\{'.$key.'\}([^\[]*)\]%', "[$1explode('" . $delimiter . "', '" . implode($delimiter, $v) . "')$2]", $node_tpl);
$v = "[explode('" . $delimiter . "', '" . implode($delimiter, $v) . "')]";
$v = str_replace('<','**LT**', $v);
$v = str_replace('>','**GT**', $v);
} else {
$v = '{' . $v . '}';
}
$arrayTypes = array(
'Product Tags', 'Tags', 'Product Categories', 'Categories', 'Image URL', 'Image Filename', 'Image Path', 'Image ID', 'Image Title', 'Image Caption', 'Image Description', 'Image Alt Text', 'Product Type', 'Categories'
);
// We have an empty array, which is transformed into {}
if(in_array($key, $arrayTypes) && $v == "{}") {
$delimiter = uniqid();
$node_tpl = preg_replace('%\[(.*)\{'.$key.'\}([^\[]*)\]%', "[$1explode('" . $delimiter . "', '" . implode($delimiter, array()) . "')$2]", $node_tpl);
$v = "[explode('" . $delimiter . "', '" . implode($delimiter, array()) . "')]";
}
// We have an array with just one value (Which is transformed into a string)
if(in_array($key, $arrayTypes) && count($originalValue) == 1) {
$delimiter = uniqid();
$node_tpl = preg_replace('%\[(.*)\{'.$key.'\}([^\[]*)\]%', "[$1explode('" . $delimiter . "', '" . implode($delimiter, array($originalValue)) . "')$2]", $node_tpl);
$v = "[explode('" . $delimiter . "', '" . implode($delimiter, array($originalValue)) . "')]";
}
$node_tpl = str_replace('{' . $key . '}', $v, $node_tpl);
break;
}
}
$xml .= $node_tpl;
}
$this->articles = array();
$wpaeString = new WpaeString();
$xmlPrepreocesor = new WpaeXmlProcessor($wpaeString);
return $xmlPrepreocesor->process($xml);
}
public static function getIndentationCount($content, $str)
{
$lines = explode("\r", $content);
foreach ($lines as $lineNumber => $line) {
if (strpos($line, $str) !== false) {
return substr_count($line, "\t");
}
}
return -1;
}
public static function indentTag($tag, $indentationCount, $index)
{
if($index == 0) {
$indentationString = "";
} else {
$indentationString = str_repeat("\t", $indentationCount);
}
return $indentationString . $tag;
}
/**
* @param string $xml
* @return mixed|string
*
* @throws WpaeInvalidStringException
* @throws WpaeMethodNotFoundException
*/
public static function preprocess_xml($xml = '')
{
$xml = str_replace('<![CDATA[', 'DOMCdataSection', $xml);
preg_match_all("%(\[[^\]\[]*\])%", $xml, $matches);
$snipets = empty($matches) ? array() : array_unique($matches[0]);
$simple_snipets = array();
preg_match_all("%(\{[^\}\{]*\})%", $xml, $matches);
$xpaths = array_unique($matches[0]);
if (!empty($xpaths)) {
foreach ($xpaths as $xpath) {
if (!in_array($xpath, $snipets)) $simple_snipets[] = $xpath;
}
}
if (!empty($snipets)) {
foreach ($snipets as $snipet) {
// if function is found
if (preg_match("%\w+\(.*\)%", $snipet)) {
$filtered = trim(trim(trim($snipet, "]"), "["));
$filtered = preg_replace("%[\{\}]%", "\"", $filtered);
$filtered = str_replace('CLOSEBRAKET', ']', str_replace('OPENBRAKET', '[', $filtered));
$filtered = str_replace('CLOSECURVE', '}', str_replace('OPENCURVE', '{', $filtered));
$filtered = str_replace('CLOSECIRCLE', ')', str_replace('OPENCIRCLE', '(', $filtered));
$functionName = self::sanitizeFunctionName($filtered);
$numberOfSingleQuotes = substr_count($filtered, "'");
$numberOfDoubleQuotes = substr_count($filtered, "\"");
if ($numberOfSingleQuotes % 2 || $numberOfDoubleQuotes % 2) {
throw new WpaeInvalidStringException($functionName);
}
if (!function_exists($functionName)) {
throw new WpaeMethodNotFoundException($functionName);
}
$values = eval("return " . $filtered . ";");
$v = '';
if (is_array($values)) {
$tag = false;
preg_match_all("%(<[\w]+[\s|>]{1})" . preg_quote($snipet) . "%", $xml, $matches);
if (!empty($matches[1])) {
$tag = array_shift($matches[1]);
}
if (empty($tag)) $tag = "<item>";
$indentationCount = self::getIndentationCount($xml, $tag);
$i = 0;
foreach ($values as $number => $value) {
$v .= self::indentTag($tag . self::maybe_cdata($value) . str_replace("<", "</", $tag) . "\n", $indentationCount, $i);
$i++;
}
$xml = str_replace($tag . $snipet . str_replace("<", "</", $tag), $v, $xml);
} else {
$xml = str_replace($snipet, self::maybe_cdata($values), $xml);
}
}
}
}
if (!empty($simple_snipets)) {
foreach ($simple_snipets as $snipet) {
$filtered = preg_replace("%[\{\}]%", "", $snipet);
$is_attribute = false;
//Encode data in attributes
if (strpos($xml, "\"$snipet\"") !== false || strpos($xml, "'$snipet'") !== false) {
$is_attribute = true;
$filtered = str_replace('&', '&', $filtered);
$filtered = str_replace('&', '&', $filtered);
$filtered = str_replace('\'', ''', $filtered);
$filtered = str_replace('"', '"', $filtered);
$filtered = str_replace('<', '<', $filtered);
$filtered = str_replace('>', '>', $filtered);
}
$filtered = str_replace('CLOSEBRAKET', ']', str_replace('OPENBRAKET', '[', $filtered));
$filtered = str_replace('CLOSECURVE', '}', str_replace('OPENCURVE', '{', $filtered));
$filtered = str_replace('CLOSECIRCLE', ')', str_replace('OPENCIRCLE', '(', $filtered));
if ($is_attribute) {
$xml = str_replace($snipet, $filtered, $xml);
} else {
$xml = str_replace($snipet, self::maybe_cdata($filtered), $xml);
}
}
}
$xml = str_replace('DOMCdataSection', '<![CDATA[', $xml);
return $xml;
}
/**
* @param $v
* @return string
*/
public static function maybe_cdata($v)
{
if (XmlExportEngine::$is_preview) {
$v = str_replace('&', '&', $v);
$v = htmlspecialchars($v);
}
if (XmlExportEngine::$is_preview && !XmlExportEngine::$exportOptions['show_cdata_in_preview']) {
return $v;
}
$cdataStrategyFactory = new CdataStrategyFactory();
if (!isset(XmlExportEngine::$exportOptions['custom_xml_cdata_logic'])) {
XmlExportEngine::$exportOptions['custom_xml_cdata_logic'] = 'auto';
}
$cdataStrategy = $cdataStrategyFactory->create_strategy(XmlExportEngine::$exportOptions['custom_xml_cdata_logic']);
$is_wrap_into_cdata = $cdataStrategy->should_cdata_be_applied($v);
if ($is_wrap_into_cdata === false) {
return $v;
} else {
if (XmlExportEngine::$is_preview && XmlExportEngine::$exportOptions['show_cdata_in_preview']) {
return 'CDATABEGIN' . $v . 'CDATACLOSE';
} else {
return "<![CDATA[" . $v . "]]>";
}
}
}
/**
* @param $filtered
* @return mixed
*/
private static function sanitizeFunctionName($filtered)
{
$functionName = preg_replace('/"[^"]+"/', '', $filtered);
$functionName = preg_replace('/\'[^\']+\'/', '', $functionName);
$firstSingleQuote = strpos($functionName, '\'');
$firstDoubleQuote = strpos($functionName, '"');
if ($firstDoubleQuote < $firstSingleQuote && $firstDoubleQuote != 0) {
$functionName = explode('"', $functionName);
$functionName = $functionName[0];
} else if ($firstSingleQuote != 0) {
$functionName = explode('\'', $functionName);
$functionName = $functionName[0];
}
$functionName = str_replace(array('(', ')', ',', ' ', '\'', '"'), '', $functionName);
return $functionName;
}
}