From 295eceece371b516e771de93b6127bf728999483 Mon Sep 17 00:00:00 2001
From: jeff
Date: Sat, 26 Jul 2014 19:24:00 -0400
Subject: initial commit

so far source analysis is working. =)
---
 src/cuchaz/enigma/gui/SourceFormatter.java | 62 ++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 src/cuchaz/enigma/gui/SourceFormatter.java

(limited to 'src/cuchaz/enigma/gui/SourceFormatter.java')

diff --git a/src/cuchaz/enigma/gui/SourceFormatter.java b/src/cuchaz/enigma/gui/SourceFormatter.java
new file mode 100644
index 0000000..f387840
--- /dev/null
+++ b/src/cuchaz/enigma/gui/SourceFormatter.java
@@ -0,0 +1,62 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.gui;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.StringReader;
+
+public class SourceFormatter
+{
+	public static String format( String in )
+	{
+		return collapseNewlines( in );
+	}
+	
+	private static String collapseNewlines( String in )
+	{
+		StringBuffer buf = new StringBuffer();
+		int numBlankLines = 0;
+		
+		BufferedReader reader = new BufferedReader( new StringReader( in ) );
+		String line = null;
+		try
+		{
+			while( ( line = reader.readLine() ) != null )
+			{
+				// how blank lines is this?
+				boolean isBlank = line.trim().length() == 0;
+				if( isBlank )
+				{
+					numBlankLines++;
+					
+					// stop printing blank lines after the first one
+					if( numBlankLines < 2 )
+					{
+						buf.append( line );
+						buf.append( "\n" );
+					}
+				}
+				else
+				{
+					numBlankLines = 0;
+					buf.append( line );
+					buf.append( "\n" );
+				}
+			}
+		}
+		catch( IOException ex )
+		{
+			// StringReader will never throw an IOExecption here...
+		}
+		return buf.toString();
+	}
+}
-- 
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