FTP: Detect the character encoding only after the entire listing is received.

net/ftp/ftp_directory_listing_parser_windows.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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 };
 
@@ skipping 43 matching lines @@
 
   // 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 ParseFtpDirectoryListingWindows(
+    const std::vector<string16>& lines,
+    std::vector<FtpDirectoryListingEntry>* entries) {
+  for (size_t i = 0; i < lines.size(); i++) {
+    if (lines[i].empty())
+      continue;
 
-FtpDirectoryListingParserWindows::~FtpDirectoryListingParserWindows() {}
+    std::vector<string16> columns;
+    base::SplitString(CollapseWhitespace(lines[i], false), ' ', &columns);
 
-FtpServerType FtpDirectoryListingParserWindows::GetServerType() const {
-  return SERVER_WINDOWS;
-}
+    // Every line of the listing consists of the following:
+    //
+    //   1. date
+    //   2. time
+    //   3. size in bytes (or "<DIR>" for directories)
+    //   4. filename (may be empty or contain spaces)
+    //
+    // For now, make sure we have 1-3, and handle 4 later.
+    if (columns.size() < 3)
+      return false;
 
-bool FtpDirectoryListingParserWindows::ConsumeLine(const string16& line) {
-  std::vector<string16> columns;
-  base::SplitString(CollapseWhitespace(line, false), ' ', &columns);
+    FtpDirectoryListingEntry entry;
+    if (EqualsASCII(columns[2], "<DIR>")) {
+      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;
+    }
 
-  // Every line of the listing consists of the following:
-  //
-  //   1. date
-  //   2. time
-  //   3. size in bytes (or "<DIR>" for directories)
-  //   4. filename (may be empty or contain spaces)
-  //
-  // For now, make sure we have 1-3, and handle 4 later.
-  if (columns.size() < 3)
-    return false;
+    if (!WindowsDateListingToTime(columns, &entry.last_modified))
+      return false;
 
-  FtpDirectoryListingEntry entry;
-  if (EqualsASCII(columns[2], "<DIR>")) {
-    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;
+    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);
   }
 
-  if (!WindowsDateListingToTime(columns, &entry.last_modified))
-    return false;
-
-  entry.name = FtpUtil::GetStringPartAfterColumns(line, 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 we ignore them. We don't want to make
-    // the parsing fail at this point though. Other entries can still be useful.
-    return true;
-  }
-
-  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