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// 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 CHROME_BROWSER_PRIVACY_BLACKLIST_BLACKLIST_IO_H_
#define CHROME_BROWSER_PRIVACY_BLACKLIST_BLACKLIST_IO_H_
#include <list>
#include "base/string16.h"
#include "chrome/browser/privacy_blacklist/blacklist.h"
class FilePath;
// Helper class to keep state while reading multiple text blacklists to
// produce a single binary blacklist used by the Blacklist constructor.
class BlacklistIO {
public:
BlacklistIO();
~BlacklistIO();
// Reads a text blacklist, as downloaded from the blacklist provider.
bool Read(const FilePath& path);
// Writes a binary blacklist with aggregated entries for all read blacklists.
bool Write(const FilePath& path);
// Returns the text of the last occuring error. An empty string is returned
// if no such error happened.
const string16& last_error() const {
return last_error_;
}
private:
// Introspection functions, for testing purposes.
const std::list<Blacklist::Entry*>& blacklist() const {
return blacklist_;
}
const std::list<Blacklist::Provider*>& providers() const {
return providers_;
}
std::list<Blacklist::Entry*> blacklist_;
std::list<Blacklist::Provider*> providers_;
string16 last_error_; // Stores text of last error, empty if N/A.
FRIEND_TEST(BlacklistIOTest, Generic);
FRIEND_TEST(BlacklistIOTest, Combine);
DISALLOW_COPY_AND_ASSIGN(BlacklistIO);
};
#endif // CHROME_BROWSER_PRIVACY_BLACKLIST_BLACKLIST_IO_H_
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