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LibCore: Add a CConfigFile class, a simple INI file parser.

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You open the configuration for an app like so:

    auto config = CConfigFile::get_for_app("MyApp");

This will then open ~/MyApp.ini and parse it for you.
Immediately start using it in Minesweeper to load the field size and mine
count from a config file.
This commit is contained in:
Andreas Kling 2019-04-15 02:22:08 +02:00
parent 37c27e2e39
commit bc5148354f
5 changed files with 269 additions and 3 deletions
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45
LibCore/CConfigFile.h Normal file
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#pragma once
#include <AK/Vector.h>
#include <AK/HashMap.h>
#include <AK/AKString.h>
#include <AK/Retainable.h>
#include <AK/RetainPtr.h>
class CConfigFile : public Retainable<CConfigFile> {
public:
static Retained<CConfigFile> get_for_app(const String& app_name);
~CConfigFile();
bool has_group(const String&) const;
bool has_key(const String& group, const String& key) const;
Vector<String> groups() const;
Vector<String> keys(const String& group) const;
String read_entry(const String& group, const String& key, const String& default_vaule = String()) const;
int read_num_entry(const String& group, const String& key, int default_value = 0) const;
bool read_bool_entry(const String& group, const String& key, bool default_value = false) const;
void write_entry(const String& group, const String& key, const String &value);
void write_num_entry(const String& group, const String& key, int value);
void write_bool_entry(const String& group, const String& key, bool value);
void dump() const;
bool is_dirty() const { return m_dirty; }
bool sync();
void remove_group(const String& group);
void remove_entry(const String& group, const String& key);
private:
explicit CConfigFile(const String& file_name);
void reparse();
String m_file_name;
HashMap<String, HashMap<String, String>> m_groups;
bool m_dirty { false };
};