aboutsummaryrefslogtreecommitdiff
path: root/common/config-manager.h
blob: c8e6045056f1caa8413987d367f12b0827ac5786 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001-2005 The ScummVM project
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header$
 *
 */

#ifndef COMMON_CONFIG_MANAGER_H
#define COMMON_CONFIG_MANAGER_H

#include "common/array.h"
//#include "common/config-file.h"
#include "common/map.h"
#include "common/singleton.h"
#include "common/str.h"

namespace Common {

struct IgnoreCaseComparator {
  int operator()(const String& x, const String& y) const { return scumm_stricmp(x.c_str(), y.c_str()); }
};

typedef Map<String, String, IgnoreCaseComparator> StringMap;

/**
 * The (singleton) configuration manager, used to query & set configuration
 * values using string keys.
 *
 * @todo Implement the callback based notification system (outlined below)
 *       which sends out notifications to interested parties whenever the value
 *       of some specific (or any) configuration key changes.
 */
class ConfigManager : public Singleton<ConfigManager> {
	
public:
	
	class Domain : public StringMap {
	private:
		StringMap _keyValueComments;
		String _domainComment;

	public:
		const String &get(const String &key) const;

		void setDomainComment(const String &comment);
		const String &getDomainComment() const;

		void setKVComment(const String &key, const String &comment);
		const String &getKVComment(const String &key) const;
		bool hasKVComment(const String &key) const;
	};

	typedef Map<String, Domain, IgnoreCaseComparator> DomainMap;

	/** The name of the application domain (normally 'scummvm'). */
	static const String kApplicationDomain;

	/** The transient (pseudo) domain. */
	static const String kTransientDomain;

	void				loadDefaultConfigFile();
	void				loadConfigFile(const String &filename);

	bool				hasKey(const String &key) const;
	bool				hasKey(const String &key, const String &dom) const;

	void				removeKey(const String &key, const String &dom);

	const String &		get(const String &key, const String &dom = String::emptyString) const;
	int					getInt(const String &key, const String &dom = String::emptyString) const;
	bool				getBool(const String &key, const String &dom = String::emptyString) const;

	void				set(const String &key, const String &value, const String &dom = String::emptyString);
	void				set(const String &key, const char *value, const String &dom = String::emptyString);
	void				set(const String &key, int value, const String &dom = String::emptyString);
	void				set(const String &key, bool value, const String &dom = String::emptyString);

	void				registerDefault(const String &key, const String &value);
	void				registerDefault(const String &key, const char *value);
	void				registerDefault(const String &key, int value);
	void				registerDefault(const String &key, bool value);
//	...

	void				flushToDisk();

	void				setActiveDomain(const String &domain);
	const String &		getActiveDomain() const { return _activeDomain; }

//	void				addDomain(const String &name);
	void				removeGameDomain(const String &name);
	void				renameGameDomain(const String &oldName, const String &newName);
	bool				hasGameDomain(const String &domain) const;
	const DomainMap &	getGameDomains() const { return _gameDomains; }

/*
	TODO: Callback/change notification system
	typedef void (*ConfigCallback)(const ConstString &key, void *refCon);

	void   registerCallback(ConfigCallback cfgc, void *refCon, const ConstString &key = String::emptyString)
	void unregisterCallback(ConfigCallback cfgc, const ConstString &key = String::emptyString)
*/

private:
	friend class Singleton<SingletonBaseType>;
	ConfigManager();

	void			loadFile(const String &filename);
	void			writeDomain(FILE *file, const String &name, const Domain &domain);
	
	Domain			_transientDomain;
	DomainMap		_gameDomains;
	DomainMap		_globalDomains;
	Domain			_defaultsDomain;
	
	StringList		_domainSaveOrder;

	String			_activeDomain;
	String			_filename;
};

}	// End of namespace Common

/** Shortcut for accessing the configuration manager. */
#define ConfMan		Common::ConfigManager::instance()

#endif