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// Copyright (c) 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.
// This file provides a parser for PReg files which are used for storing group
// policy settings in the file system. The file format is documented here:
#include <memory>
#include <vector>
#include "base/strings/string16.h"
#include "components/policy/core/common/policy_load_status.h"
#include "components/policy/policy_export.h"
namespace base {
class FilePath;
namespace policy {
class RegistryDict;
namespace preg_parser {
// The magic header in PReg files: ASCII "PReg" + version (0x0001).
POLICY_EXPORT extern const char kPRegFileHeader[8];
// Reads the PReg file at |file_path| and writes the registry data to |dict|.
// |root| specifies the registry subtree the caller is interested in, everything
// else gets ignored. It may be empty if all keys should be returned, but it
// must NOT end with a backslash.
POLICY_EXPORT bool ReadFile(const base::FilePath& file_path,
const base::string16& root,
RegistryDict* dict,
PolicyLoadStatusSampler* status);
// Similar to ReadFile, but reads from |preg_data| of length |preg_data_size|
// instead of a file. |debug_name| is printed out along with error messages.
// Used internally and for testing only. All other callers should use ReadFile
// instead.
POLICY_EXPORT bool ReadDataInternal(const uint8_t* preg_data,
size_t preg_data_size,
const base::string16& root,
RegistryDict* dict,
PolicyLoadStatusSampler* status,
const std::string& debug_name);
} // namespace preg_parser
} // namespace policy