From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001
From: tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Fri, 1 Dec 2006 12:20:24 +0000
Subject: Initial import of release 2.2.

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 src/main/java/com/lowagie/tools/CvsLogParser.java | 138 ++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 src/main/java/com/lowagie/tools/CvsLogParser.java

(limited to 'src/main/java/com/lowagie/tools/CvsLogParser.java')

diff --git a/src/main/java/com/lowagie/tools/CvsLogParser.java b/src/main/java/com/lowagie/tools/CvsLogParser.java
new file mode 100644
index 0000000..39181f1
--- /dev/null
+++ b/src/main/java/com/lowagie/tools/CvsLogParser.java
@@ -0,0 +1,138 @@
+/*
+ * $Id: CvsLogParser.java,v 1.5 2006/05/22 11:00:30 blowagie Exp $
+ * $Name:  $
+ *
+ * This code is free software. It may only be copied or modified
+ * if you include the following copyright notice:
+ *
+ * This code is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * itext@lowagie.com
+ */
+package com.lowagie.tools;
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.StreamTokenizer;
+
+import java.util.Enumeration;
+
+/**
+ * If you get a changelog from CVS, for instance:
+ * cvs -d:ext:blowagie@itext.cvs.sourceforge.net:/cvsroot/itext log -d ">2005-07-29"
+ * you get an overview that contains all the changes.
+ * With this class, you can parse out the important entries.
+ *
+ * @author blowagie
+ */
+public class CvsLogParser implements Enumeration {
+
+	/** the tokenizer object. */
+	protected StreamTokenizer st;
+	
+	/** indicates if the current token contains changes. */
+	protected boolean changes = false;
+	
+	/** indicates if the tokenizer has more tokens. */
+	protected boolean more = false;
+	
+	/**
+	 * @param file
+	 * @throws FileNotFoundException
+	 */
+	public CvsLogParser(String file) throws FileNotFoundException {
+		BufferedReader r = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
+		st = new StreamTokenizer(r);
+		st.eolIsSignificant(true);
+		st.ordinaryChar('/');
+		st.ordinaryChar('\'');
+		more = true;
+	}
+
+	/**
+	 * @see java.util.Enumeration#hasMoreElements()
+	 */
+	public boolean hasMoreElements() {
+		return more;
+	}
+	
+	/**
+	 * Returns the next token in the log file.
+	 * @see java.util.Enumeration#nextElement()
+	 */
+	public Object nextElement(){
+		StringBuffer token = new StringBuffer();
+		StringBuffer line = new StringBuffer();
+		boolean moreToken = true;
+		changes = false;
+		try {
+			while (more && moreToken) {
+				st.nextToken();
+				switch(st.ttype) {
+				case StreamTokenizer.TT_EOF:
+					more = false;
+				case StreamTokenizer.TT_EOL:
+					token.append(line.toString());
+					if (line.toString().endsWith("=============================================================================")) {
+						moreToken = false;
+					}
+					else {
+						line = new StringBuffer("\n");
+					}
+					break;
+				case StreamTokenizer.TT_WORD:
+					line.append(st.sval);
+					line.append(" ");
+					break;
+				case StreamTokenizer.TT_NUMBER:
+					if (st.nval > 0 && line.toString().endsWith("selected revisions :")) {
+						changes = true;
+					}
+					line.append(st.nval);
+					break;
+				default:
+					line.append((char) st.ttype);
+				}
+			}
+			return token.toString();
+		}
+		catch(IOException ioe) {
+			more = false;
+			return "";
+		}
+	}
+
+	/**
+	 * Indicates if the current token is one that contains changes.
+	 * @return true if the token is relevant
+	 */
+	private boolean hasChanged() {
+		return changes;
+	}
+	
+	
+	/**
+	 * Parses a log form CVS.
+	 * @param args the path to the logfile
+	 */
+	public static void main(String[] args) {
+		try {
+			CvsLogParser p = new CvsLogParser(args[0]);
+			String token;
+			while (p.hasMoreElements()) {
+				token = (String) p.nextElement();
+				if (p.hasChanged()) {
+					System.out.println(token);
+				}
+			}
+		}
+		catch(Exception e) {
+			e.printStackTrace();
+		}
+	}
+}
-- 
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