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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PREFS_COMMAND_LINE_PREF_STORE_H_
#define COMPONENTS_PREFS_COMMAND_LINE_PREF_STORE_H_
#include "base/containers/span.h"
#include "base/memory/raw_ptr.h"
#include "components/prefs/value_map_pref_store.h"
namespace base {
class CommandLine;
}
// Base class for a PrefStore that maps command line switches to preferences.
// The Apply...Switches() methods can be called by subclasses with their own
// maps, or delegated to other code.
class COMPONENTS_PREFS_EXPORT CommandLinePrefStore : public ValueMapPrefStore {
public:
struct SwitchToPreferenceMapEntry {
const char* switch_name;
const char* preference_path;
};
// |set_value| indicates what the preference should be set to if the switch
// is present.
struct BooleanSwitchToPreferenceMapEntry {
const char* switch_name;
const char* preference_path;
bool set_value;
};
CommandLinePrefStore(const CommandLinePrefStore&) = delete;
CommandLinePrefStore& operator=(const CommandLinePrefStore&) = delete;
// Apply command-line switches to the corresponding preferences of the switch
// map, where the value associated with the switch is a string.
void ApplyStringSwitches(
base::span<const SwitchToPreferenceMapEntry> string_switch_map);
// Apply command-line switches to the corresponding preferences of the switch
// map, where the value associated with the switch is a path.
void ApplyPathSwitches(
base::span<const SwitchToPreferenceMapEntry> path_switch_map);
// Apply command-line switches to the corresponding preferences of the switch
// map, where the value associated with the switch is an integer.
void ApplyIntegerSwitches(
base::span<const SwitchToPreferenceMapEntry> integer_switch_map);
// Apply command-line switches to the corresponding preferences of the
// boolean switch map.
void ApplyBooleanSwitches(
base::span<const BooleanSwitchToPreferenceMapEntry> boolean_switch_map);
protected:
explicit CommandLinePrefStore(const base::CommandLine* command_line);
~CommandLinePrefStore() override;
const base::CommandLine* command_line() { return command_line_; }
private:
// Weak reference.
raw_ptr<const base::CommandLine> command_line_;
};
#endif // COMPONENTS_PREFS_COMMAND_LINE_PREF_STORE_H_
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