Support CRLF when splitting code lines for display (#1862)

* Support CRLF when splitting code lines for display

* refactor, fix mixed match

* fmt

* split on both LF and CRLF, use raw literals in regexes

* simplify

Author: silverwind

public/css/index.css

@@ -1435,7 +1435,7 @@ footer .ui.language .menu {
 .repository.file.list #file-content .code-view .lines-code ol li,
 .repository.file.list #file-content .code-view .lines-num .hljs li,
 .repository.file.list #file-content .code-view .lines-code .hljs li {
-  display: inline-block;
+  display: block;
   width: 100%;
 }
 .repository.file.list #file-content .code-view .lines-num pre li.active,

public/less/_repository.less

@@ -296,7 +296,7 @@
 						margin: 0;
 						padding: 0 !important;
 						li {
-							display: inline-block;
+							display: block;
 							width: 100%;
 							&.active {
 								background: #ffffdd;

routers/repo/view.go

@@ -212,7 +212,11 @@ func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink st
 			var output bytes.Buffer
 			lines := strings.Split(fileContent, "\n")
 			for index, line := range lines {
-				output.WriteString(fmt.Sprintf(`<li class="L%d" rel="L%d">%s</li>`, index+1, index+1, gotemplate.HTMLEscapeString(line)) + "\n")
+				line = gotemplate.HTMLEscapeString(line)
+				if index != len(lines)-1 {
+					line += "\n"
+				}
+				output.WriteString(fmt.Sprintf(`<li class="L%d" rel="L%d">%s</li>`, index+1, index+1, line))
 			}
 			ctx.Data["FileContent"] = gotemplate.HTML(output.String())