FTP: add directory listing parser for OS/2 format.

net/ftp/ftp_directory_listing_parser_windows.cc

 // Copyright (c) 2011 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/ftp/ftp_directory_listing_parser_windows.h"
 
 #include <vector>
 
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "net/ftp/ftp_directory_listing_parser.h"
 #include "net/ftp/ftp_util.h"
 
-namespace {
-
-bool WindowsDateListingToTime(const std::vector<string16>& columns,
-                              base::Time* time) {
-  DCHECK_LE(3U, columns.size());
-
-  base::Time::Exploded time_exploded = { 0 };
-
-  // Date should be in format MM-DD-YY[YY].
-  std::vector<string16> date_parts;
-  base::SplitString(columns[0], '-', &date_parts);
-  if (date_parts.size() != 3)
-    return false;
-  if (!base::StringToInt(date_parts[0], &time_exploded.month))
-    return false;
-  if (!base::StringToInt(date_parts[1], &time_exploded.day_of_month))
-    return false;
-  if (!base::StringToInt(date_parts[2], &time_exploded.year))
-    return false;
-  if (time_exploded.year < 0)
-    return false;
-  // If year has only two digits then assume that 00-79 is 2000-2079,
-  // and 80-99 is 1980-1999.
-  if (time_exploded.year < 80)
-    time_exploded.year += 2000;
-  else if (time_exploded.year < 100)
-    time_exploded.year += 1900;
-
-  // Time should be in format HH:MM(AM|PM)
-  if (columns[1].length() != 7)
-    return false;
-  std::vector<string16> time_parts;
-  base::SplitString(columns[1].substr(0, 5), ':', &time_parts);
-  if (time_parts.size() != 2)
-    return false;
-  if (!base::StringToInt(time_parts[0], &time_exploded.hour))
-    return false;
-  if (!base::StringToInt(time_parts[1], &time_exploded.minute))
-    return false;
-  if (!time_exploded.HasValidValues())
-    return false;
-  string16 am_or_pm(columns[1].substr(5, 2));
-  if (EqualsASCII(am_or_pm, "PM")) {
-    if (time_exploded.hour < 12)
-      time_exploded.hour += 12;
-  } else if (EqualsASCII(am_or_pm, "AM")) {
-    if (time_exploded.hour == 12)
-      time_exploded.hour = 0;
-  } else {
-    return false;
-  }
-
-  // We don't know the time zone of the server, so just use local time.
-  *time = base::Time::FromLocalExploded(time_exploded);
-  return true;
-}
-
-}  // namespace
-
 namespace net {
 
 bool ParseFtpDirectoryListingWindows(
     const std::vector<string16>& lines,
     std::vector<FtpDirectoryListingEntry>* entries) {
   for (size_t i = 0; i < lines.size(); i++) {
     if (lines[i].empty())
       continue;
 
     std::vector<string16> columns;
@@ skipping 15 matching lines @@
       entry.type = FtpDirectoryListingEntry::DIRECTORY;
       entry.size = -1;
     } else {
       entry.type = FtpDirectoryListingEntry::FILE;
       if (!base::StringToInt64(columns[2], &entry.size))
         return false;
       if (entry.size < 0)
         return false;
     }
 
-    if (!WindowsDateListingToTime(columns, &entry.last_modified))
+    if (!FtpUtil::WindowsDateListingToTime(columns[0],
+                                           columns[1],
+                                           &entry.last_modified)) {
       return false;
+    }
 
     entry.name = FtpUtil::GetStringPartAfterColumns(lines[i], 3);
     if (entry.name.empty()) {
       // Some FTP servers send listing entries with empty names.
       // It's not obvious how to display such an entry, so ignore them.
       // We don't want to make the parsing fail at this point though.
       // Other entries can still be useful.
       continue;
     }
 
     entries->push_back(entry);
   }
 
   return true;
 }
 
 }  // namespace net