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/*
* The Mana Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2012 The Mana Developers
*
* This file is part of The Mana Client.
*
* 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
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef PROPERTIES_H
#define PROPERTIES_H
#include <map>
#include <sstream>
#include <string>
/**
* A class holding a set of properties.
*/
class Properties
{
public:
virtual ~Properties() {}
/**
* Get a map property.
*
* @param name The name of the property.
* @param def Default value, empty string by default.
* @return the value of the given property or the given default when it
* doesn't exist.
*/
std::string getProperty(const std::string &name,
const std::string &def = "") const
{
auto i = mProperties.find(name);
return (i != mProperties.end()) ? i->second : def;
}
/**
* Gets a map property as a float.
*
* @param name The name of the property.
* @param def Default value, 0.0f by default.
* @return the value of the given property or the given default when it
* doesn't exist.
*/
float getFloatProperty(const std::string &name, float def = 0.0f) const
{
auto i = mProperties.find(name);
float ret = def;
if (i != mProperties.end())
{
std::stringstream ss;
ss.str(i->second);
ss >> ret;
}
return ret;
}
/**
* Gets a map property as a boolean.
*
* @param name The name of the property.
* @param def Default value, false by default.
* @return the value of the given property or the given default when it
* doesn't exist.
*/
bool getBoolProperty(const std::string &name, bool def = false) const
{
auto i = mProperties.find(name);
bool ret = def;
if (i != mProperties.end())
{
if (i->second == "true")
ret = true;
if (i->second == "false")
ret = false;
}
return ret;
}
/**
* Returns whether a certain property is available.
*
* @param name The name of the property.
* @return <code>true</code> when a property is defined,
* <code>false</code> otherwise.
*/
bool hasProperty(const std::string &name) const
{
return (mProperties.find(name) != mProperties.end());
}
/**
* Set a map property.
*
* @param name The name of the property.
* @param value The value of the property.
*/
void setProperty(const std::string &name, const std::string &value)
{
mProperties[name] = value;
}
private:
using PropertyMap = std::map<std::string, std::string>;
PropertyMap mProperties;
};
#endif
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