Split FTP LIST parsing code into individual files for each listing style.

net/ftp/ftp_directory_listing_parser_windows.cc

+// Copyright (c) 2009 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_util.h"
+
+namespace {
+
+bool WindowsDateListingToTime(const std::vector<string16>& columns,
+                              base::Time* time) {
+  DCHECK_EQ(4U, columns.size());
+
+  base::Time::Exploded time_exploded = { 0 };
+
+  // Date should be in format MM-DD-YY[YY].
+  std::vector<string16> date_parts;
+  SplitString(columns[0], '-', &date_parts);
+  if (date_parts.size() != 3)
+    return false;
+  if (!StringToInt(date_parts[0], &time_exploded.month))
+    return false;
+  if (!StringToInt(date_parts[1], &time_exploded.day_of_month))
+    return false;
+  if (!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;
+  SplitString(columns[1].substr(0, 5), ':', &time_parts);
+  if (time_parts.size() != 2)
+    return false;
+  if (!StringToInt(time_parts[0], &time_exploded.hour))
+    return false;
+  if (!StringToInt(time_parts[1], &time_exploded.minute))
+    return false;
+  string16 am_or_pm(columns[1].substr(5, 2));
+  if (EqualsASCII(am_or_pm, "PM"))
+    time_exploded.hour += 12;
+  else if (!EqualsASCII(am_or_pm, "AM"))
+    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 {
+
+FtpDirectoryListingParserWindows::FtpDirectoryListingParserWindows() {
+}
+
+bool FtpDirectoryListingParserWindows::ConsumeLine(const string16& line) {
+  std::vector<string16> columns;
+  SplitString(CollapseWhitespace(line, false), ' ', &columns);
+  if (columns.size() != 4)
+    return false;
+
+  FtpDirectoryListingEntry entry;
+  entry.name = columns[3];
+
+  if (EqualsASCII(columns[2], "<DIR>")) {
+    entry.type = FtpDirectoryListingEntry::DIRECTORY;
+    entry.size = -1;
+  } else {
+    entry.type = FtpDirectoryListingEntry::FILE;
+    if (!StringToInt64(columns[2], &entry.size))
+      return false;
+    if (entry.size < 0)
+      return false;
+  }
+
+  if (!WindowsDateListingToTime(columns, &entry.last_modified))
+    return false;
+
+  entries_.push(entry);
+  return true;
+}
+
+bool FtpDirectoryListingParserWindows::OnEndOfInput() {
+  return true;
+}
+
+bool FtpDirectoryListingParserWindows::EntryAvailable() const {
+  return !entries_.empty();
+}
+
+FtpDirectoryListingEntry FtpDirectoryListingParserWindows::PopEntry() {
+  FtpDirectoryListingEntry entry = entries_.front();
+  entries_.pop();
+  return entry;
+}
+
+}  // namespace net