From 47cad64a3f9a66398cfa88012f085b8d3c4f5d6f Mon Sep 17 00:00:00 2001
From: David Huynh <dfhuynh@gmail.com>
Date: Wed, 24 Mar 2010 17:50:44 +0000
Subject: [PATCH] Properly unescape \t, \r, \n, \\.

git-svn-id: http://google-refine.googlecode.com/svn/trunk@352 7d457c2a-affb-35e4-300a-418c747d4874
---
 .../java/com/metaweb/gridworks/gel/Scanner.java     | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/metaweb/gridworks/gel/Scanner.java b/src/main/java/com/metaweb/gridworks/gel/Scanner.java
index ea6f43909..26630ad40 100644
--- a/src/main/java/com/metaweb/gridworks/gel/Scanner.java
+++ b/src/main/java/com/metaweb/gridworks/gel/Scanner.java
@@ -146,7 +146,18 @@ public class Scanner {
                 } else if (c == '\\') {
                     _index++; // skip escaping marker
                     if (_index < _limit) {
-                        sb.append(_text.charAt(_index));
+                    	char c2 = _text.charAt(_index);
+                    	if (c2 == 't') {
+                    		sb.append('\t');
+                    	} else if (c2 == 'n') {
+                    		sb.append('\n');
+                    	} else if (c2 == 'r') {
+                    		sb.append('\r');
+                    	} else if (c2 == '\\') {
+                    		sb.append('\\');
+                    	} else {
+                    		sb.append(c2);
+                    	}
                     }
                 } else {
                     sb.append(c);