From b5c3459a9763107abcbbcd7fc1a42eee3a887c52 Mon Sep 17 00:00:00 2001
From: Nathanael Sensfelder <SpamShield0@MultiAgentSystems.org>
Date: Thu, 20 Jul 2017 13:46:47 +0200
Subject: Still working on AST-to-Instr.

---
 ast-to-instr/src/XMLManager.java | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'ast-to-instr/src/XMLManager.java')

diff --git a/ast-to-instr/src/XMLManager.java b/ast-to-instr/src/XMLManager.java
index 03fbe6d..dc3eef1 100644
--- a/ast-to-instr/src/XMLManager.java
+++ b/ast-to-instr/src/XMLManager.java
@@ -82,6 +82,23 @@ public class XMLManager
       return XPATH.compile(expression);
    }
 
+   public static XPathExpression compile_or_die (final String expression)
+   {
+      try
+      {
+         return XPATH.compile(expression);
+      }
+      catch (final XPathExpressionException xpee)
+      {
+         System.err.println("[P] Invalid XPathExpression (report as bug):");
+         xpee.printStackTrace();
+
+         System.exit(-1);
+      }
+
+      return null; /* Because Java. */
+   }
+
    public static Collection<Node> node_list_to_node_collection
    (
       final NodeList nl
@@ -101,4 +118,9 @@ public class XMLManager
 
       return result;
    }
+
+   public static String get_attribute (final Node n, final String attr)
+   {
+      return n.getAttributes().getNamedItem(attr).getNodeValue();
+   }
 }
-- 
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