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126 lines
2.8 KiB
126 lines
2.8 KiB
/*
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Copyright (C) 2000 Stefan Westerfeld
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stefan@space.twc.de
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef ARTS_NAMEDSTORE_H
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#define ARTS_NAMEDSTORE_H
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#include <string>
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#include <list>
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#include <vector>
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#include "stdio.h"
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/*
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* BC - Status (2002-03-08): NamedStore
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*
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* None of these classes is considered part of the public API. Do NOT use it
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* in your apps. These are part of the implementation of object.cpp and not
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* to be used elsewhere.
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*/
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namespace Arts {
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/**
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* -- internal class --
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*
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* this stores key-value pairs, where key is a string which is kept unique
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*/
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template<class T>
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class NamedStore
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{
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private:
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class Element {
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public:
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T t;
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std::string name;
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Element(const T& t, const std::string& name) :t(t), name(name) { }
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};
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typedef std::list<Element> Element_list;
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Element_list elements;
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public:
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bool get(const std::string& name, T& result)
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{
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typename Element_list::iterator i;
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for(i = elements.begin(); i != elements.end(); i++)
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{
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if(i->name == name)
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{
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result = i->t;
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return true;
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}
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}
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return false;
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}
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bool remove(const std::string& name)
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{
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typename Element_list::iterator i;
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for(i = elements.begin(); i != elements.end(); i++)
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{
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if(i->name == name)
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{
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elements.erase(i);
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return true;
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}
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}
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return false;
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}
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std::vector<std::string> *contents()
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{
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std::vector<std::string> *result = new std::vector<std::string>;
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typename Element_list::iterator i;
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for(i = elements.begin(); i != elements.end(); i++)
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result->push_back(i->name);
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return result;
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}
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std::string put(const std::string& name, const T& t)
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{
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std::string xname = name;
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int append = 1;
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for(;;)
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{
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typename Element_list::iterator i;
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i = elements.begin();
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while(i != elements.end() && i->name != xname)
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i++;
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if(i == elements.end())
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{
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elements.push_back(Element(t,xname));
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return xname;
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}
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char buffer[1024];
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sprintf(buffer,"%d",append++);
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xname = name + std::string(buffer);
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}
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}
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};
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}
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#endif /* ARTS_NAMEDSTORE_H */
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