fix namespace prefixes

Author: danmichaelo

src/Record.php

@@ -19,12 +19,12 @@ class Record
     /** @var QuiteSimpleXMLElement */
     public $data;
 
-    static $recordTpl = '<srw:record xmlns:srw="http://www.loc.gov/zing/srw/">
-            <srw:recordSchema>{{recordSchema}}</srw:recordSchema>
-            <srw:recordPacking>{{recordPacking}}</srw:recordPacking>
-            <srw:recordPosition>{{position}}</srw:recordPosition>
-            <srw:recordData>{{data}}</srw:recordData>
-          </srw:record>';
+    static $recordTpl = '<s:record xmlns:s="http://www.loc.gov/zing/srw/">
+            <s:recordSchema>{{recordSchema}}</s:recordSchema>
+            <s:recordPacking>{{recordPacking}}</s:recordPacking>
+            <s:recordPosition>{{position}}</s:recordPosition>
+            <s:recordData>{{data}}</s:recordData>
+          </s:record>';
 
     /**
      * Create a new record
@@ -53,6 +53,6 @@ public static function make($position, $data, $recordSchema='marcxchange', $reco
             self::$recordTpl
         );
 
-        return new Record(new QuiteSimpleXMLElement($record));
+        return new Record(QuiteSimpleXMLElement::make($record, Response::$nsPrefixes));
     }
 }

src/Response.php

@@ -7,6 +7,12 @@
  */
 class Response implements ResponseInterface
 {
+    public static $nsPrefixes = array(
+        'srw' => 'http://www.loc.gov/zing/srw/',
+        'exp' => 'http://explain.z3950.org/dtd/2.0/',
+        'd' => 'http://www.loc.gov/zing/srw/diagnostic/',
+    );
+
     public static $errorMessages = array(
         'info:srw/diagnostic/1/1' => 'General system error',
         'info:srw/diagnostic/1/2' => 'System temporarily unavailable',
@@ -127,11 +133,7 @@ protected function initializeFromText($text)
         $this->rawResponse = $text;
 
         // Throws Danmichaelo\QuiteSimpleXMLElement\InvalidXMLException on invalid xml
-        $this->response = QuiteSimpleXMLElement::make($text, array(
-            'srw' => 'http://www.loc.gov/zing/srw/',
-            'exp' => 'http://explain.z3950.org/dtd/2.0/',
-            'd' => 'http://www.loc.gov/zing/srw/diagnostic/',
-        ));
+        $this->response = QuiteSimpleXMLElement::make($text, self::$nsPrefixes);
 
         $this->version = $this->response->text('/srw:*/srw:version');