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/*
* The Mana Server
* Copyright (C) 2004-2010 The Mana World Development Team
*
* This file is part of The Mana Server.
*
* The Mana Server 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 Server 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 Server. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UTILS_STRING_H
#define UTILS_STRING_H
#include <string>
#include <sstream>
#include <map>
namespace utils
{
/**
* Returns an upper-cased copy of the string.
*/
std::string toUpper(std::string);
/**
* Returns an lower-cased copy of the string.
*/
std::string toLower(std::string);
/**
* Tells whether the string is a numerical representation.
*/
bool isNumeric(const std::string &);
/**
* Turns a string representing a numerical representation
* into an integer value.
*/
int stringToInt(const std::string &);
/**
* Compares the two strings case-insensitively.
*
* @param a the first string in the comparison
* @param b the second string in the comparison
* @return 0 if the strings are equal, positive if the first is greater,
* negative if the second is greater
*/
int compareStrI(const std::string &a, const std::string &b);
/**
* Returns the boolean value represented in a string, or default.
*/
bool stringToBool(const std::string &s, bool defaultValue);
/**
* Trims spaces off the end and the beginning of the given string.
*
* @param str the string to trim spaces off
*/
void trim(std::string &str);
/**
* Converts the given value to a string using std::stringstream.
*
* @param arg the value to convert to a string
* @return the string representation of arg
*/
template<typename T> std::string toString(const T &arg)
{
std::stringstream ss;
ss << arg;
return ss.str();
}
/**
* A case-insensitive name map, mapping instances from a user-specified
* type by their name.
*/
template<typename T> class NameMap
{
public:
NameMap()
: mDefault()
{}
void insert(const std::string &name, T value)
{
mMap.insert(std::make_pair(toLower(name), value));
}
const T &value(const std::string &name) const
{
typename Map::const_iterator result = mMap.find(toLower(name));
return result != mMap.end() ? result->second : mDefault;
}
T &operator[](const std::string &name)
{
return mMap[toLower(name)];
}
bool contains(const std::string &name) const
{
return mMap.find(toLower(name)) != mMap.end();
}
void clear()
{
mMap.clear();
}
private:
typedef std::map<std::string, T> Map;
Map mMap;
const T mDefault;
};
} // namespace utils
#endif // UTILS_STRING_H
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