summaryrefslogtreecommitdiff
blob: 6c926df34f71e381577deb31fd5963f65eb8f750 (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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
/*
* Copyright (C) 2010 Robin H.Johnson, Ovechko Kostyantyn <fastinetserver@gmail.com>.
*
* Project: IDFetch.
* Developer: Ovechko Kostyantyn Olexandrovich (Kharkiv State Technical University of Construction and Architecture, Ukraine).
* Mentor: Robin H. Johnson (Gentoo Linux: Developer, Trustee & Infrastructure Lead).
* Mentoring organization: Gentoo Linux.
* Sponsored by GSOC 2010.
*
* This file is part of Segget.
*
* Segget is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Segget 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Segget; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

#include "config.h"

void Tconfig::load_settings_from_config_file(){
	try{
		ifstream file;
		file.exceptions (ifstream::failbit | ifstream::badbit);
		try{
			file.open(config_file_name.c_str());
		}
		catch(...){
			error_log("Error opening settings file: "+config_file_name+". Default settings will be used. Check if config file: "+config_file_name+" exists and segget has rights to access it.");
			return;
		}
		try{
			//processing file
			string line;
			string name;
			string value;
			string inSection;
			int posEqual;
			while (not(file.eof())) {
				getline(file,line);
				if (! line.length()) continue;
				if (line[0] == '#') continue;
				if (line[0] == ';') continue;
				line=noupper(line);
			if (line[0] == '[') {
					inSection=trim(line.substr(1,line.find(']')-1));
					continue;
				}
				posEqual=line.find('=');
				name  = trim(line.substr(0,posEqual));
				value = trim(line.substr(posEqual+1));
				content_[inSection+'/'+name]=noupper(value);
			}
		}catch(ifstream::failure e){
			if (!file.eof()){
				error_log("Settings file: "+config_file_name+" was opened, but an error occured while reading it.");
				return;
			}
		}catch(...){
			error_log("Settings file: "+config_file_name+" was opened, but an error occured while reading settings from it.");
		}
	}catch(...){
		error_log("Error in config.cpp: load_settings_from_config_file()");
	}
}

int Tconfig::set(string const& section, string const& entry, string &dst) const {
	try{
		map<string,string>::const_iterator ci = content_.find(section + '/' + entry);
		if (ci == content_.end()){
			log("! Settings in file:"+config_file_name+" ["+section+"]."+entry+" has not been set.");
			log("! Settings in file:"+config_file_name+" ["+section+"]."+entry+"="+dst+". Default value forced.");
			return 1;
		}
		else{
			dst=ci->second;
			log("Settings in file:"+config_file_name+" ["+section+"]."+entry+"="+dst);
			return 0;
		}
	}catch(...){
		error_log("Error in config.cpp: set(string &dst, string const& section, string const& entry)");
		return 1;
	}
}
int Tconfig::set(string const& section, string const& entry, ulong &dst, uint const& min_limit, uint const& max_limit) const {
	try{
		uint return_value;
		map<string,string>::const_iterator ci = content_.find(section + '/' + entry);
		if (ci == content_.end()){
			log("! Settings in file:"+config_file_name+" ["+section+"]."+entry+" has not been set.");
			log("! Settings in file:"+config_file_name+" ["+section+"]."+entry+"="+toString(dst)+". Default value forced.");
			return 1;
		}
		else{
			return_value=atoi(ci->second.c_str());
			if (return_value==0)
				if (toString(return_value)!=ci->second){
					log("! Settings in file:"+config_file_name+" ["+section+"]."+entry
							+" must have an integer value in range from "+toString(min_limit)
							+" to "+toString(max_limit)
							+". Can't convert "+ci->second
							+" to integer. ");
					log("! Settings in file:"+config_file_name+" ["+section+"]."+entry+"="+toString(dst)+". Default value forced.");
					return 1;
				}
			if ((return_value>=min_limit) and (return_value<=max_limit)){
				//everything is ok
				log("Settings in file:"+config_file_name+" ["+section+"]."+entry+"="+toString(return_value));
				dst=return_value;
				return 0;
			}else{
				log("! Settings in file:"+config_file_name+" ["+section+"]."+entry
					+" must have an integer value in range from "+toString(min_limit)
					+" to "+toString(max_limit)+".");
					log("! Settings in file:"+config_file_name+" ["+section+"]."+entry+"="+toString(dst)+". Default value forced.");
				return 1;
			}
		}
	}catch(...){
		error_log("Error in config.cpp: set(ulong &dst, string const& section, string const& entry, uint const& min_limit, uint const& max_limit)");
		return 1;
	}
}

int Tconfig::set(string const& section, string const& entry, bool &dst) const {
	try{
		uint return_value;
		map<std::string,string>::const_iterator ci = content_.find(section + '/' + entry);
		if (ci == content_.end()){
			log("! Settings in file:"+config_file_name+" ["+section+"]."+entry+" has not been set.");
			log("! Settings in file:"+config_file_name+" ["+section+"]."+entry+"="+toString(dst)+". Default value forced.");
			return 1;
		}
		else{
			return_value=atoi(ci->second.c_str());
			if (return_value==0)
				if (toString(return_value)!=ci->second){
					log("! Settings in file:"+config_file_name+" ["+section+"]."+entry
							+" must have a boolean value: 0 or 1"
							+". Can't convert "+ci->second
							+" to 0 or 1. ");
					log("! Settings in file:"+config_file_name+" ["+section+"]."+entry+"="+toString(dst)+". Default value forced.");
					return 1;
				}
			if ((return_value==0) or (return_value==1)){
				//everything is ok
				log("Settings in file:"+config_file_name+" ["+section+"]."+entry+"="+toString(return_value));
				dst=return_value;
				return 0;
			}else{
				log("! Settings in file:"+config_file_name+" ["+section+"]."+entry
					+" must have a boolean value: 0 or 1");
				log("! Settings in file:"+config_file_name+" ["+section+"]."+entry+"="+toString(dst)+". Default value forced.");
				return 1;
			}
		}
	}catch(...){
		error_log("Error in config.cpp: set(bool &dst, string const& section, string const& entry)");
		return 1;
	}
}

void Tconfig::clear(){
	try{
		content_.clear();
	}catch(...){
		error_log("Error in config.cpp: clear()");
	}
}