c34f2e75e9
Plumbs synchronous calls for adding and removing group entries to config files. This is useful for services like SystemServer which default to group names for executable paths, and for removing all keys at once.
74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, networkException <networkexception@serenityos.org>
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* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Forward.h>
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#include <AK/HashMap.h>
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#include <AK/RefCounted.h>
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#include <AK/RefPtr.h>
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <LibCore/Stream.h>
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namespace Core {
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class ConfigFile : public RefCounted<ConfigFile> {
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public:
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enum class AllowWriting {
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Yes,
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No,
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};
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static ErrorOr<NonnullRefPtr<ConfigFile>> open_for_lib(String const& lib_name, AllowWriting = AllowWriting::No);
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static ErrorOr<NonnullRefPtr<ConfigFile>> open_for_app(String const& app_name, AllowWriting = AllowWriting::No);
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static ErrorOr<NonnullRefPtr<ConfigFile>> open_for_system(String const& app_name, AllowWriting = AllowWriting::No);
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static ErrorOr<NonnullRefPtr<ConfigFile>> open(String const& filename, AllowWriting = AllowWriting::No);
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static ErrorOr<NonnullRefPtr<ConfigFile>> open(String const& filename, int fd);
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~ConfigFile();
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bool has_group(String const&) const;
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bool has_key(String const& group, String const& key) const;
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Vector<String> groups() const;
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Vector<String> keys(String const& group) const;
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size_t num_groups() const { return m_groups.size(); }
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String read_entry(String const& group, String const& key, String const& default_value = String()) const;
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int read_num_entry(String const& group, String const& key, int default_value = 0) const;
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bool read_bool_entry(String const& group, String const& key, bool default_value = false) const;
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void write_entry(String const& group, String const& key, String const& value);
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void write_num_entry(String const& group, String const& key, int value);
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void write_bool_entry(String const& group, String const& key, bool value);
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void dump() const;
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bool is_dirty() const { return m_dirty; }
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ErrorOr<void> sync();
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void add_group(String const& group);
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void remove_group(String const& group);
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void remove_entry(String const& group, String const& key);
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String const& filename() const { return m_filename; }
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private:
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ConfigFile(String const& filename, OwnPtr<Stream::BufferedFile> open_file);
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ErrorOr<void> reparse();
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String m_filename;
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OwnPtr<Stream::BufferedFile> m_file;
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HashMap<String, HashMap<String, String>> m_groups;
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bool m_dirty { false };
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};
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}
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