Data Objects: symbol.cpp Source File

00001 /****
00002  Hierarchical Data Objects
00003  Copyright (C) 2005-2010 Werner Van Belle
00004  http://flow.yellowcouch.org/data/
00005 
00006  This program is free software; you can redistribute it and/or modify
00007  it under the terms of the GNU General Public License as published by
00008  the Free Software Foundation; either version 2 of the License, or
00009  (at your option) any later version.
00010  
00011  This program is distributed in the hope that it will be useful,
00012  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  GNU General Public License for more details.
00015 
00016  You should have received a copy of the GNU General Public License
00017  along with this program; if not, write to the Free Software
00018  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00019 ****/
00020 #ifndef __loaded__symbol_cpp__
00021 #define __loaded__symbol_cpp__
00022 using namespace std;
00023 #line 1 "symbol.c++"
00024 #include "symbol.h"
00025 #include "data-visitor.h"
00026 #include <set>
00027 using namespace std;
00028 
00029 //---------------------------------------------------------------
00030 //                            Symbol
00031 //---------------------------------------------------------------
00032 struct QStringLesser
00033 {
00034   bool operator()(QString *s1, QString *s2) const {return (*s1)<(*s2);};
00035 };
00036 
00037 static set<QString> symbol_table;
00038 
00039 void Symbol::init(const QString& s)
00040 {      
00041    set<QString>::iterator pos = symbol_table.find(s);
00042    if (pos==symbol_table.end())
00043      symbol_table.insert(text=s);
00044    else 
00045      text = *pos;
00046 }
00047 
00048 void Symbol::visit(DataVisitor& v)
00049 {
00050   v.visit(*this);
00051 };
00052 #endif // __loaded__symbol_cpp__