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

net/ftp/ftp_directory_listing_parser.h

+// 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.
+
+#ifndef NET_FTP_FTP_DIRECTORY_LISTING_PARSER_H_
+#define NET_FTP_FTP_DIRECTORY_LISTING_PARSER_H_
+
+#include "base/basictypes.h"
+#include "base/string16.h"
+#include "base/time.h"
+#include "net/ftp/ftp_server_type_histograms.h"
+
+namespace net {
+
+struct FtpDirectoryListingEntry {
+  enum Type {
+    FILE,
+    DIRECTORY,
+    SYMLINK,
+  };
+
+  Type type;
+  string16 name;
+  int64 size;  // File size, in bytes. -1 if not applicable.
+
+  // Last modified time, in local time zone.
+  base::Time last_modified;
+};
+
+class FtpDirectoryListingParser {
+ public:
+  virtual ~FtpDirectoryListingParser();
+
+  virtual FtpServerType GetServerType() const = 0;
+
+  // Adds |line| to the internal parsing buffer. Returns true on success.
+  virtual bool ConsumeLine(const string16& line) = 0;
+
+  // Called after all input has been consumed. Returns true if the parser
+  // recognizes all received data as a valid listing.
+  virtual bool OnEndOfInput() = 0;
+
+  // Returns true if there is at least one FtpDirectoryListingEntry available.
+  virtual bool EntryAvailable() const = 0;
+
+  // Returns the next entry. It is an error to call this function unless
+  // EntryAvailable returns true.
+  virtual FtpDirectoryListingEntry PopEntry() = 0;
+};
+
+}  // namespace net
+
+#endif  // NET_FTP_FTP_DIRECTORY_LISTING_PARSER_H_