net: extract GetDirectoryListingXXX functions into directory_listing.*

net/base/directory_listing.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NET_BASE_DIRECTORY_LISTING_H_
+#define NET_BASE_DIRECTORY_LISTING_H_
+
+#include <stdint.h>
+#include <string>
+
+#include "base/strings/string16.h"
+#include "net/base/net_export.h"
+
+namespace base {
+class Time;
+}
+
+namespace net {
+
+// Call these functions to get the html snippet for a directory listing.
+// The return values of both functions are in UTF-8.
+NET_EXPORT std::string GetDirectoryListingHeader(const base::string16& title);
+
+// Given the name of a file in a directory (ftp or local) and
+// other information (is_dir, size, modification time), it returns
+// the html snippet to add the entry for the file to the directory listing.
+// Currently, it's a script tag containing a call to a Javascript function
+// |addRow|.
+//
+// |name| is the file name to be displayed. |raw_bytes| will be used
+// as the actual target of the link (so for example, ftp links should use
+// server's encoding). If |raw_bytes| is an empty string, UTF-8 encoded |name|
+// will be used.
+//
+// Both |name| and |raw_bytes| are escaped internally.
+NET_EXPORT std::string GetDirectoryListingEntry(const base::string16& name,
+                                                const std::string& raw_bytes,
+                                                bool is_dir,
+                                                int64_t size,
+                                                base::Time modified);
+
+}  // namespace net
+
+#endif  // NET_BASE_DIRECTORY_LISTING_H_