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// 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 "chrome/installer/util/app_commands.h"
#include "base/logging.h"
#include "base/win/registry.h"
#include "chrome/installer/util/google_update_constants.h"
#include "chrome/installer/util/work_item_list.h"
using base::win::RegKey;
namespace installer {
AppCommands::AppCommands() {
}
AppCommands::~AppCommands() {
}
bool AppCommands::Initialize(const base::win::RegKey& key) {
if (!key.Valid()) {
LOG(DFATAL) << "Cannot initialize AppCommands from an invalid key.";
return false;
}
using base::win::RegistryKeyIterator;
static const wchar_t kEmptyString[] = L"";
commands_.clear();
RegKey cmd_key;
LONG result;
AppCommand command;
for (RegistryKeyIterator key_iterator(key.Handle(), kEmptyString);
key_iterator.Valid(); ++key_iterator) {
const wchar_t* name = key_iterator.Name();
result = cmd_key.Open(key.Handle(), name, KEY_QUERY_VALUE);
if (result != ERROR_SUCCESS) {
LOG(ERROR) << "Failed to open key \"" << name
<< "\" with last-error code " << result;
} else if (command.Initialize(cmd_key)) {
commands_[name] = command;
} else {
VLOG(1) << "Skipping over key \"" << name
<< "\" as it does not appear to hold a product command.";
}
}
return true;
}
AppCommands& AppCommands::CopyFrom(const AppCommands& other) {
commands_ = other.commands_;
return *this;
}
void AppCommands::Clear() {
commands_.clear();
}
bool AppCommands::Get(const std::wstring& command_id,
AppCommand* command) const {
DCHECK(command);
CommandMap::const_iterator it(commands_.find(command_id));
if (it == commands_.end())
return false;
*command = it->second;
return true;
}
bool AppCommands::Set(const std::wstring& command_id,
const AppCommand& command) {
std::pair<CommandMap::iterator, bool> result(
commands_.insert(std::make_pair(command_id, command)));
if (!result.second)
result.first->second = command;
return result.second;
}
bool AppCommands::Remove(const std::wstring& command_id) {
return commands_.erase(command_id) != 0;
}
AppCommands::CommandMapRange AppCommands::GetIterators() const {
return std::make_pair(commands_.begin(), commands_.end());
}
} // namespace installer
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