From 13417cf9c6eec555b51da49742e47939d2f5715b Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Fri, 19 Oct 2012 22:47:33 -0400
Subject: [PATCH] Exclude submodules from zip downloads (issue 151)

---
 src/com/gitblit/utils/GitBlitDiffFormatter.java |   69 ++++++++++++++++++++++++++--------
 1 files changed, 53 insertions(+), 16 deletions(-)

diff --git a/src/com/gitblit/utils/GitBlitDiffFormatter.java b/src/com/gitblit/utils/GitBlitDiffFormatter.java
index 54cb6c2..2966aa8 100644
--- a/src/com/gitblit/utils/GitBlitDiffFormatter.java
+++ b/src/com/gitblit/utils/GitBlitDiffFormatter.java
@@ -1,16 +1,40 @@
+/*
+ * Copyright 2011 gitblit.com.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.gitblit.utils;
+
+import static org.eclipse.jgit.lib.Constants.encode;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 
 import org.eclipse.jgit.diff.RawText;
+import org.eclipse.jgit.util.RawParseUtils;
 
+/**
+ * Generates an html snippet of a diff in Gitblit's style.
+ * 
+ * @author James Moger
+ * 
+ */
 public class GitBlitDiffFormatter extends GitWebDiffFormatter {
 
 	private final OutputStream os;
 
-	private int left = 0, right = 0;
+	private int left, right;
 
 	public GitBlitDiffFormatter(OutputStream os) {
 		super(os);
@@ -31,7 +55,8 @@
 	 * @throws IOException
 	 */
 	@Override
-	protected void writeHunkHeader(int aStartLine, int aEndLine, int bStartLine, int bEndLine) throws IOException {
+	protected void writeHunkHeader(int aStartLine, int aEndLine, int bStartLine, int bEndLine)
+			throws IOException {
 		os.write("<tr><th>..</th><th>..</th><td class='hunk_header'>".getBytes());
 		os.write('@');
 		os.write('@');
@@ -46,7 +71,8 @@
 	}
 
 	@Override
-	protected void writeLine(final char prefix, final RawText text, final int cur) throws IOException {
+	protected void writeLine(final char prefix, final RawText text, final int cur)
+			throws IOException {
 		os.write("<tr>".getBytes());
 		switch (prefix) {
 		case '+':
@@ -63,11 +89,9 @@
 			break;
 		}
 		os.write(prefix);
-		ByteArrayOutputStream bos = new ByteArrayOutputStream();
-		text.writeLine(bos, cur);
-		String line = bos.toString();
+		String line = text.getString(cur);
 		line = StringUtils.escapeForHtml(line, false);
-		os.write(line.getBytes());
+		os.write(encode(line));
 		switch (prefix) {
 		case '+':
 		case '-':
@@ -87,9 +111,10 @@
 	 */
 	@Override
 	public String getHtml() {
-		String html = os.toString();
+		ByteArrayOutputStream bos = (ByteArrayOutputStream) os;
+		String html = RawParseUtils.decode(bos.toByteArray());
 		String[] lines = html.split("\n");
-		StringBuilder sb = new StringBuilder();		
+		StringBuilder sb = new StringBuilder();
 		boolean inFile = false;
 		String oldnull = "a/dev/null";
 		for (String line : lines) {
@@ -97,28 +122,40 @@
 				// skip index lines
 			} else if (line.startsWith("new file")) {
 				// skip new file lines
+			} else if (line.startsWith("\\ No newline")) {
+				// skip no new line
+			} else if (line.startsWith("---") || line.startsWith("+++")) {
+				// skip --- +++ lines
 			} else if (line.startsWith("diff")) {
+				line = StringUtils.convertOctal(line);
 				if (line.indexOf(oldnull) > -1) {
 					// a is null, use b
 					line = line.substring(("diff --git " + oldnull).length()).trim();
-					line = line.substring(2); // trim b/
+					// trim b/
+					line = line.substring(2).trim();
 				} else {
 					// use a
-					line = line.substring("diff --git a/".length()).trim();
-					line = line.substring(0, line.indexOf(" b/")).trim();
+					line = line.substring("diff --git ".length()).trim();
+					line = line.substring(line.startsWith("\"a/") ? 3 : 2);					
+					line = line.substring(0, line.indexOf(" b/") > -1 ? line.indexOf(" b/") : line.indexOf("\"b/")).trim();
+				}
+				
+				if (line.charAt(0) == '"') {
+					line = line.substring(1);
+				}
+				if (line.charAt(line.length() - 1) == '"') {
+					line = line.substring(0, line.length() - 1);
 				}
 				if (inFile) {
 					sb.append("</tbody></table></div>\n");
 					inFile = false;
 				}
 				sb.append("<div class='header'>").append(line).append("</div>");
-				sb.append("<div class=\"diff\">");	
+				sb.append("<div class=\"diff\">");
 				sb.append("<table><tbody>");
 				inFile = true;
-			} else if (line.startsWith("---") || line.startsWith("+++")) {
-				// skip --- +++ lines
 			} else {
-				sb.append(line).append('\n');
+				sb.append(line);
 			}
 		}
 		sb.append("</table></div>");

--
Gitblit v1.9.1