109 lines
2.8 KiB
C++
109 lines
2.8 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef RANGE_MANAGER_H
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#define RANGE_MANAGER_H
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#include <map>
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#include <string>
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#include "nel/misc/stream.h"
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/** This class records the ranges used for edition (for a given slider).
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* It enables the user to set the range that match best what he wants
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* full ASCII names are used as identifier
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*/
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template <class T> class CRangeManager
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{
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public:
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/** retrieve the range used for a given ID.
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* If the ID wasn't present, a new entry is created, and the given values are returned
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*/
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static std::pair<T, T> GetRange(const std::string &id, const T &minRange, const T &maxRange)
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{
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nlassert(id != "");
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if (_RangeMap.count(id) == 0) // not present yet ?
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{
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_RangeMap[id] = std::pair<T, T>(minRange, maxRange);
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}
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return _RangeMap[id];
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}
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/** the same but no default values are provided. An assertion occurs if not present.
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* In release build, the entrie is created, but with uninitialized values ...
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*/
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static std::pair<T, T> GetRange(const std::string &id)
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{
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nlassert(id != "");
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return _RangeMap[id];
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}
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/// set a new value for the given range
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static void SetRange(const std::string &id, const T &minRange, const T &maxRange)
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{
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nlassert(id != "");
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_RangeMap[id] = std::pair<T, T>(minRange, maxRange);
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}
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/// serialization
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static void serial(NLMISC::IStream &f) throw(NLMISC::EStream)
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{
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uint32 size;
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if (!f.isReading())
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{
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size = _RangeMap.size();
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f.serial(size);
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for (TRangeMap::const_iterator it = _RangeMap.begin(); it != _RangeMap.end(); ++it)
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{
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std::string s = it->first;
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f.serial(s);
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std::pair<T , T> value = it->second;
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f.serial(value.first);
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f.serial(value.second);
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}
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}
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else
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{
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_RangeMap.clear();
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f.serial(size);
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while (size --)
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{
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std::string id;
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std::pair<T , T> value;
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f.serial(id);
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f.serial(value.first);
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f.serial(value.second);
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_RangeMap[id] = value;
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}
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}
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}
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typedef std::map< std::string, std::pair<T, T> > TRangeMap;
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protected:
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// the map that contains the ID, and their range values
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static TRangeMap _RangeMap;
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};
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#endif
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