| 1 |
/* |
| 2 |
* The Mana World |
| 3 |
* Copyright (C) 2004 The Mana World Development Team |
| 4 |
* |
| 5 |
* This file is part of The Mana World. |
| 6 |
* |
| 7 |
* This program is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License as published by |
| 9 |
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
* any later version. |
| 11 |
* |
| 12 |
* This program is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
| 16 |
* |
| 17 |
* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 |
*/ |
| 21 |
|
| 22 |
#ifndef PROPERTIES_H |
| 23 |
#define PROPERTIES_H |
| 24 |
|
| 25 |
#include <map> |
| 26 |
#include <sstream> |
| 27 |
#include <string> |
| 28 |
|
| 29 |
/** |
| 30 |
* A class holding a set of properties. |
| 31 |
*/ |
| 32 |
class Properties |
| 33 |
{ |
| 34 |
public: |
| 35 |
/** |
| 36 |
* Destructor. |
| 37 |
*/ |
| 38 |
virtual ~Properties() {} |
| 39 |
|
| 40 |
/** |
| 41 |
* Get a map property. |
| 42 |
* |
| 43 |
* @param name The name of the property. |
| 44 |
* @param def Default value, empty string by default. |
| 45 |
* @return the value of the given property or the given default when it |
| 46 |
* doesn't exist. |
| 47 |
*/ |
| 48 |
const std::string &getProperty(const std::string &name, |
| 49 |
const std::string &def = "") const |
| 50 |
{ |
| 51 |
PropertyMap::const_iterator i = mProperties.find(name); |
| 52 |
return (i != mProperties.end()) ? i->second : def; |
| 53 |
} |
| 54 |
|
| 55 |
/** |
| 56 |
* Gets a map property as a float. |
| 57 |
* |
| 58 |
* @param name The name of the property. |
| 59 |
* @param def Default value, 0.0f by default. |
| 60 |
* @return the value of the given property, or 0.0f when it doesn't |
| 61 |
* exist. |
| 62 |
*/ |
| 63 |
float getFloatProperty(const std::string &name, float def = 0.0f) const |
| 64 |
{ |
| 65 |
PropertyMap::const_iterator i = mProperties.find(name); |
| 66 |
float ret = def; |
| 67 |
if (i != mProperties.end()) |
| 68 |
{ |
| 69 |
std::stringstream ss; |
| 70 |
ss.str(i->second); |
| 71 |
ss >> ret; |
| 72 |
} |
| 73 |
return ret; |
| 74 |
} |
| 75 |
|
| 76 |
/** |
| 77 |
* Gets a map property as a boolean. |
| 78 |
* |
| 79 |
* @param name The name of the property. |
| 80 |
* @param def Default value, false by default. |
| 81 |
* @return the value of the given property, or false when it doesn't |
| 82 |
* exist. |
| 83 |
*/ |
| 84 |
float getBoolProperty(const std::string &name, bool def = false) const |
| 85 |
{ |
| 86 |
PropertyMap::const_iterator i = mProperties.find(name); |
| 87 |
bool ret = def; |
| 88 |
if (i != mProperties.end()) |
| 89 |
{ |
| 90 |
if (i->second == "true") |
| 91 |
ret = true; |
| 92 |
if (i->second == "false") |
| 93 |
ret = false; |
| 94 |
} |
| 95 |
return ret; |
| 96 |
} |
| 97 |
|
| 98 |
/** |
| 99 |
* Returns whether a certain property is available. |
| 100 |
* |
| 101 |
* @param name The name of the property. |
| 102 |
* @return <code>true</code> when a property is defined, |
| 103 |
* <code>false</code> otherwise. |
| 104 |
*/ |
| 105 |
bool hasProperty(const std::string &name) const |
| 106 |
{ |
| 107 |
return (mProperties.find(name) != mProperties.end()); |
| 108 |
} |
| 109 |
|
| 110 |
/** |
| 111 |
* Set a map property. |
| 112 |
* |
| 113 |
* @param name The name of the property. |
| 114 |
* @param value The value of the property. |
| 115 |
*/ |
| 116 |
void setProperty(const std::string &name, const std::string &value) |
| 117 |
{ |
| 118 |
mProperties[name] = value; |
| 119 |
} |
| 120 |
|
| 121 |
private: |
| 122 |
typedef std::map<std::string, std::string> PropertyMap; |
| 123 |
PropertyMap mProperties; |
| 124 |
}; |
| 125 |
|
| 126 |
#endif |
