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///////////////////////////////////////////////////////////////////////////////
// //
// This file is part of ModelBlocks. Copyright 2009, ModelBlocks developers. //
// //
// ModelBlocks 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 3 of the License, or //
// (at your option) any later version. //
// //
// ModelBlocks 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 ModelBlocks. If not, see <http://www.gnu.org/licenses/>. //
// //
// ModelBlocks developers designate this particular file as subject to //
// the "Moses" exception as provided by ModelBlocks developers in //
// the LICENSE file that accompanies this code. //
// //
///////////////////////////////////////////////////////////////////////////////
#ifndef _STRING_INDEX__
#define _STRING_INDEX__
#include <cassert>
#include <string>
using std::string;
#include <map>
using std::map;
class StringIndex{
private:
// Data members...
map <string, int> msi;
map <int, string> mis;
int maxIndex;
public:
// Constructor / destructor methods...
StringIndex() { maxIndex=0; }
// Specification methods...
int addIndex (const char* ps) { assert(ps!=NULL); return addIndex(string(ps)); }
int addIndex (const string& s) { if(msi.end()==msi.find(s)){msi[s]=maxIndex;mis[maxIndex]=s;maxIndex++;} return msi[s]; }
void clear ( ) { msi.clear(); mis.clear(); maxIndex=0; }
// Extraction methods...
int getSize ( ) const { return maxIndex; }
int getIndex (const char* ps) const { assert(ps!=NULL); return getIndex(string(ps)); }
int getIndex (const string& s) const { assert(msi.end()!=msi.find(s));
return msi.find(s)->second; }
const string& getString (int i) const { assert(mis.end()!=mis.find(i));
return mis.find(i)->second; }
};
#endif // _STRING_INDEX__
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