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
142
143
144
145
146
147
148
149
150
|
/* Copyright (C) 2013 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
/*
CConfigDB - Load, access and store configuration variables
TDD : http://www.wildfiregames.com/forum/index.php?showtopic=1125
OVERVIEW:
JavaScript: Check this documentation: http://trac.wildfiregames.com/wiki/Exposed_ConfigDB_Functions
*/
#ifndef INCLUDED_CONFIGDB
#define INCLUDED_CONFIGDB
#include "Parser.h"
#include "CStr.h"
#include "Singleton.h"
#include "lib/file/vfs/vfs_path.h"
// Namespace priorities: User supersedes mod supersedes system.
// Command-line arguments override everything.
enum EConfigNamespace
{
CFG_DEFAULT,
CFG_SYSTEM,
CFG_MOD,
CFG_USER,
CFG_COMMAND,
CFG_LAST
};
typedef CParserValue CConfigValue;
typedef std::vector<CParserValue> CConfigValueSet;
#define g_ConfigDB CConfigDB::GetSingleton()
class CConfigDB: public Singleton<CConfigDB>
{
static std::map <CStr, CConfigValueSet> m_Map[];
static VfsPath m_ConfigFile[];
public:
CConfigDB();
/**
* Attempt to retrieve the value of a config variable with the given name;
* will search CFG_COMMAND first, and then all namespaces from the specified
* namespace down.
*/
void GetValueBool(EConfigNamespace ns, const CStr& name, bool& value);
///@copydoc CConfigDB::GetValueBool
void GetValueInt(EConfigNamespace ns, const CStr& name, int& value);
///@copydoc CConfigDB::GetValueBool
void GetValueFloat(EConfigNamespace ns, const CStr& name, float& value);
///@copydoc CConfigDB::GetValueBool
void GetValueDouble(EConfigNamespace ns, const CStr& name, double& value);
///@copydoc CConfigDB::GetValueBool
void GetValueString(EConfigNamespace ns, const CStr& name, std::string& value);
/**
* Attempt to retrieve a vector of values corresponding to the given setting;
* will search CFG_COMMAND first, and then all namespaces from the specified
* namespace down.
*/
void GetValues(EConfigNamespace ns, const CStr& name, CConfigValueSet& values);
/**
* Returns the namespace that the value returned by GetValues was defined in,
* or CFG_LAST if it wasn't defined at all.
*/
EConfigNamespace GetValueNamespace(EConfigNamespace ns, const CStr& name);
/**
* Retrieve a map of values corresponding to settings whose names begin
* with the given prefix;
* will search all namespaces from default up to the specified namespace.
*/
std::map<CStr, CConfigValueSet> GetValuesWithPrefix(EConfigNamespace ns, const CStr& prefix);
/**
* Save a config value in the specified namespace. If the config variable
* existed the value is replaced.
*/
void SetValueString(EConfigNamespace ns, const CStr& name, const CStr& value);
/**
* Set the path to the config file used to populate the specified namespace
* Note that this function does not actually load the config file. Use
* the Reload() method if you want to read the config file at the same time.
*
* 'path': The path to the config file.
*/
void SetConfigFile(EConfigNamespace ns, const VfsPath& path);
/**
* Reload the config file associated with the specified config namespace
* (the last config file path set with SetConfigFile)
*
* Returns:
* true: if the reload succeeded,
* false: if the reload failed
*/
bool Reload(EConfigNamespace);
/**
* Write the current state of the specified config namespace to the file
* specified by 'path'
*
* Returns:
* true: if the config namespace was successfully written to the file
* false: if an error occurred
*/
bool WriteFile(EConfigNamespace ns, const VfsPath& path);
/**
* Write the current state of the specified config namespace to the file
* it was originally loaded from.
*
* Returns:
* true: if the config namespace was successfully written to the file
* false: if an error occurred
*/
bool WriteFile(EConfigNamespace ns);
};
// stores the value of the given key into <destination>. this quasi-template
// convenience wrapper on top of CConfigValue::Get* simplifies user code and
// avoids "assignment within condition expression" warnings.
#define CFG_GET_VAL(name, type, destination)\
g_ConfigDB.GetValue##type(CFG_USER, name, destination)
#endif
|
