X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FXML.php;h=9a3108ca9894c49fa2dcea38213b7b692ba2617e;hb=84e900d96fd7343302490e29a0702eac271c8282;hp=8dc540324368b23af4d917c9e05956de333ade1e;hpb=79696a19e505ecded7b257f511ad1691ccb311f4;p=friendica.git

diff --git a/src/Util/XML.php b/src/Util/XML.php
index 8dc5403243..9a3108ca98 100644
--- a/src/Util/XML.php
+++ b/src/Util/XML.php
@@ -4,6 +4,7 @@
  */
 namespace Friendica\Util;
 
+use Friendica\Core\Logger;
 use DOMXPath;
 use SimpleXMLElement;
 
@@ -248,7 +249,7 @@ class XML
 		}
 
 		if (!function_exists('xml_parser_create')) {
-			logger('Xml::toArray: parser function missing');
+			Logger::log('Xml::toArray: parser function missing');
 			return [];
 		}
 
@@ -263,7 +264,7 @@ class XML
 		}
 
 		if (! $parser) {
-			logger('Xml::toArray: xml_parser_create: no resource');
+			Logger::log('Xml::toArray: xml_parser_create: no resource');
 			return [];
 		}
 
@@ -275,9 +276,9 @@ class XML
 		@xml_parser_free($parser);
 
 		if (! $xml_values) {
-			logger('Xml::toArray: libxml: parse error: ' . $contents, LOGGER_DATA);
+			Logger::log('Xml::toArray: libxml: parse error: ' . $contents, Logger::DATA);
 			foreach (libxml_get_errors() as $err) {
-				logger('libxml: parse: ' . $err->code . " at " . $err->line . ":" . $err->column . " : " . $err->message, LOGGER_DATA);
+				Logger::log('libxml: parse: ' . $err->code . " at " . $err->line . ":" . $err->column . " : " . $err->message, Logger::DATA);
 			}
 			libxml_clear_errors();
 			return;
@@ -423,12 +424,81 @@ class XML
 
 		$x = @simplexml_load_string($s);
 		if (!$x) {
-			logger('libxml: parse: error: ' . $s, LOGGER_DATA);
+			Logger::log('libxml: parse: error: ' . $s, Logger::DATA);
 			foreach (libxml_get_errors() as $err) {
-				logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
+				Logger::log('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, Logger::DATA);
 			}
 			libxml_clear_errors();
 		}
 		return $x;
 	}
+
+	public static function getFirstNodeValue($xpath, $element, $context = null)
+	{
+		$result = $xpath->evaluate($element, $context);
+		if (!is_object($result)) {
+			return '';
+		}
+
+		$first_item = $result->item(0);
+		if (!is_object($first_item)) {
+			return '';
+		}
+
+		return $first_item->nodeValue;
+	}
+
+	public static function getFirstAttributes($xpath, $element, $context = null)
+	{
+		$result = $xpath->query($element, $context);
+		if (!is_object($result)) {
+			return false;
+		}
+
+		$first_item = $result->item(0);
+		if (!is_object($first_item)) {
+			return false;
+		}
+
+		return $first_item->attributes;
+	}
+
+	/**
+	 * escape text ($str) for XML transport
+	 * @param string $str
+	 * @return string Escaped text.
+	 */
+	public static function xmlify($str)
+	{
+		$buffer = htmlspecialchars($str, ENT_QUOTES, "UTF-8");
+		$buffer = trim($buffer);
+
+		return $buffer;
+	}
+
+	/**
+	 * undo an xmlify
+	 * @param string $s xml escaped text
+	 * @return string unescaped text
+	 */
+	public static function unxmlify($s)
+	{
+		$ret = htmlspecialchars_decode($s, ENT_QUOTES);
+		return $ret;
+	}
+
+	/**
+	 * apply xmlify() to all values of array $val, recursively
+	 * @param array $val
+	 * @return array
+	 */
+	public static function arrayXmlify($val)
+	{
+		if (is_bool($val)) {
+			return $val?"true":"false";
+		} elseif (is_array($val)) {
+			return array_map('XML::arrayXmlify', $val);
+		}
+		return self::xmlify((string) $val);
+	}
 }