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// Copyright 2013 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_SYNC_FILE_SYSTEM_DRIVE_BACKEND_DRIVE_BACKEND_UTIL_H_
#define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_DRIVE_BACKEND_UTIL_H_
#include <string>
#include "base/bind.h"
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/scoped_vector.h"
#include "chrome/browser/sync_file_system/drive_backend/metadata_database.pb.h"
#include "chrome/browser/sync_file_system/sync_status_code.h"
#include "google_apis/drive/gdata_errorcode.h"
#include "storage/common/blob/scoped_file.h"
namespace google_apis {
class ChangeResource;
class FileResource;
class ResourceEntry;
}
namespace sync_file_system {
namespace drive_backend {
class LevelDBWrapper;
void PutVersionToDB(int64 version, LevelDBWrapper* db);
void PutServiceMetadataToDB(const ServiceMetadata& service_metadata,
LevelDBWrapper* db);
void PutFileMetadataToDB(const FileMetadata& file, LevelDBWrapper* db);
void PutFileTrackerToDB(const FileTracker& tracker, LevelDBWrapper* db);
void PutFileMetadataDeletionToDB(const std::string& file_id,
LevelDBWrapper* db);
void PutFileTrackerDeletionToDB(int64 tracker_id, LevelDBWrapper* db);
bool HasFileAsParent(const FileDetails& details, const std::string& file_id);
bool IsAppRoot(const FileTracker& tracker);
std::string GetTrackerTitle(const FileTracker& tracker);
SyncStatusCode GDataErrorCodeToSyncStatusCode(
google_apis::GDataErrorCode error);
// Returns true if |str| starts with |prefix|, and removes |prefix| from |str|.
// If |out| is not NULL, the result is stored in it.
bool RemovePrefix(const std::string& str, const std::string& prefix,
std::string* out);
scoped_ptr<ServiceMetadata> InitializeServiceMetadata(LevelDBWrapper* db);
template <typename Src, typename Dest>
void AppendContents(const Src& src, Dest* dest) {
dest->insert(dest->end(), src.begin(), src.end());
}
template <typename Container>
const typename Container::mapped_type& LookUpMap(
const Container& container,
const typename Container::key_type& key,
const typename Container::mapped_type& default_value) {
typename Container::const_iterator found = container.find(key);
if (found == container.end())
return default_value;
return found->second;
}
template <typename R, typename S, typename T>
R ComposeFunction(const base::Callback<T()>& g,
const base::Callback<R(S)>& f) {
return f.Run(g.Run());
}
template <typename R, typename S, typename T>
base::Callback<R()> CreateComposedFunction(
const base::Callback<T()>& g,
const base::Callback<R(S)>& f) {
return base::Bind(&ComposeFunction<R, S, T>, g, f);
}
} // namespace drive_backend
} // namespace sync_file_system
#endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_DRIVE_BACKEND_UTIL_H_
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