summaryrefslogtreecommitdiff
path: root/src/configuration.cpp
blob: 3dccdecfed15a6dfa5492217cc0e7293d01d614a (plain) (blame)
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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/*
 *  The Mana World
 *  Copyright 2004 The Mana World Development Team
 *
 *  This file is part of The Mana World.
 *
 *  The Mana World 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
 *  any later version.
 *
 *  The Mana World 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 The Mana World; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


#include "configuration.h"

/**
    \brief read INI file and parse all options into memory
    \param filename full path to INI file (~/.manaworld/tmw.ini)

    NOTE:
        first a line is checked wether it is a comment or not by
        looking for INI_COMMENTER. after this another check is
        done for INI_DELIMITER if the previous check failed.
        if this line is a valid option all spaces in it get
        stripped away (including the value) and it is added to
        the list iniOptions.
*/
void Configuration::init(std::string filename) {
    std::ifstream inFile(filename.c_str(), std::ifstream::in);
    std::string inBuffer;
    unsigned int position;
    INI_OPTION optionTmp;

    iniOptions.clear();

    while (inFile.good()) {
        getline(inFile, inBuffer, '\n');

        if(inBuffer.substr(0,1) != INI_COMMENTER) {
            position = inBuffer.find(INI_DELIMITER, 0);

            if(position != std::string::npos) {
                // replace spaces with void :)
                while(inBuffer.find(" ", 0) != std::string::npos) {
                    inBuffer.replace(inBuffer.find(" ", 0), 1, "");
                }
                optionTmp.key = inBuffer.substr(0, position);
                optionTmp.stringValue  = inBuffer.substr(position+1, inBuffer.length());
                inBuffer = inBuffer.substr(position+1, inBuffer.length());

                optionTmp.numericValue = atof(inBuffer.c_str());

                iniOptions.push_back(optionTmp);
            }
        }
    }
    inFile.close();

    #ifdef __DEBUG
        for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
            optionTmp = *iter;
            std::cout << "Configuration::init(" << optionTmp.key << ", \"" << optionTmp.stringValue << "\" / " << optionTmp.numericValue << ")\n";
        }
    #endif
}

/**
    \brief write the current settings back to an ini-file
    \param filename full path to INI file (~/.manaworld/tmw.ini)
*/
bool Configuration::write(std::string filename) {
    std::ofstream out(filename.c_str(), std::ofstream::out | std::ofstream::trunc);
    char tmp[20];

    INI_OPTION optionTmp;
    for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
        optionTmp = *iter;
        out.write(optionTmp.key.c_str(), optionTmp.key.length());
        out.write("=", 1);

        if(optionTmp.numericValue == 0) {
            out.write(optionTmp.stringValue.c_str(), optionTmp.stringValue.length());
        }else{
            sprintf(tmp, "%f", optionTmp.numericValue);
            out.write(tmp, strlen(tmp));
            strcpy(tmp, "");
        }
        std::cout << "Configuration::write(" << optionTmp.key << ", \"" << optionTmp.stringValue << "\" / " << optionTmp.numericValue << ")\n";
        out.write("\n", 1);
    }

    out.close();
    return true;
}

/**
    \brief set an option using a string value
    \param key option identifier
    \param value value
*/
void Configuration::setValue(std::string key, std::string value) {
    INI_OPTION optionTmp;
    if(!keyExists(key)) {
        #ifdef __DEBUG
            std::cout << "Configuration::setValue(" << key << ", \"" << value << "\") newly set\n";
        #endif
        optionTmp.key = key;
        optionTmp.stringValue = value;
        optionTmp.numericValue = 0;

        iniOptions.push_back(optionTmp);
    } else {
        for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
            if(iter->key == key) {
                #ifdef __DEBUG
                    std::cout << "Configuration::setValue(" << key << ", \"" << value << "\") reset\n";
                #endif
                iter->stringValue = value;
                iter->numericValue = 0;
            }
        }
    }
}

/**
    \brief set an option using a numeric value
    \param key option identifier
    \param value value
*/
void Configuration::setValue(std::string key, float value) {
    INI_OPTION optionTmp;
    if(!keyExists(key)) {
        #ifdef __DEBUG
            std::cout << "Configuration::setValue(" << key << ", " << value << ") newly set\n";
        #endif
        optionTmp.key = key;
        optionTmp.numericValue = value;

        iniOptions.push_back(optionTmp);
    } else {
        for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
            if(iter->key == key) {
                #ifdef __DEBUG
                    std::cout << "Configuration::setValue(" << key << ", " << value << ") reset\n";
                #endif
                iter->stringValue = "";
                iter->numericValue = value;
            }
        }
    }
}

/**
    \brief get a value as string
    \param key option identifier
    \param deflt default option if not there or error
*/
std::string Configuration::getValue(std::string key, std::string deflt) {
    for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
        if(iter->key == key)
            return iter->stringValue;
    }

    return deflt;
}

/**
    \brief get a value as numeric (float)
    \param key option identifier
    \param deflt default option if not there or error
*/
float Configuration::getValue(std::string key, float deflt) {
    for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
        if(iter->key == key)
            return iter->numericValue;
    }

    return deflt;
}


bool Configuration::keyExists(std::string key) {
    for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
        if(iter->key == key)
            return true;
    }
    return false;
}