net: extract GetDirectoryListingXXX functions into directory_listing.*

net/base/net_util_icu.cc

-// Copyright (c) 2012 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.
-
-#include "net/base/net_util.h"
-
-#include "base/i18n/time_formatting.h"
-#include "base/json/string_escape.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/time/time.h"
-#include "net/base/escape.h"
-
-namespace net {
-
-std::string GetDirectoryListingEntry(const base::string16& name,
-                                     const std::string& raw_bytes,
-                                     bool is_dir,
-                                     int64_t size,
-                                     base::Time modified) {
-  std::string result;
-  result.append("<script>addRow(");
-  base::EscapeJSONString(name, true, &result);
-  result.append(",");
-  if (raw_bytes.empty()) {
-    base::EscapeJSONString(EscapePath(base::UTF16ToUTF8(name)), true, &result);
-  } else {
-    base::EscapeJSONString(EscapePath(raw_bytes), true, &result);
-  }
-
-  if (is_dir) {
-    result.append(",1,");
-  } else {
-    result.append(",0,");
-  }
-
-  // Negative size means unknown or not applicable (e.g. directory).
-  base::string16 size_string;
-  if (size >= 0)
-    size_string = base::FormatBytesUnlocalized(size);
-  base::EscapeJSONString(size_string, true, &result);
-
-  result.append(",");
-
-  base::string16 modified_str;
-  // |modified| can be NULL in FTP listings.
-  if (!modified.is_null())
-    modified_str = base::TimeFormatShortDateAndTime(modified);
-  base::EscapeJSONString(modified_str, true, &result);
-
-  result.append(");</script>\n");
-
-  return result;
-}
-
-}  // namespace net