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StringUtil.cpp

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//
//      Copyright (C) 2002 Robert Renaud
//
//      This program 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 (at your option) any later version.
//
//      This program 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 this program; if not, write to the Free Software
//      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//

#include "StringUtil.h"

string Util::getNextIdentifier(istream &input, set<char> &terminatingSet) {
        char currentChar;
        string identifier;
        while (!input.eof()) {
                currentChar = input.get();
                 // found a terminating char
                if (terminatingSet.find(currentChar) != terminatingSet.end()) { 
                   // put the char back in input so the caller can see what caused exit                                         
                        input.putback(currentChar); 
                        return identifier;
                } else {  // if no termination chars were inputted
                        identifier += currentChar;
                }
        }
        return identifier;
} 

void Util::makeLowercase(string& str) {
        for (size_t i = 0; i < str.size(); i++) {
                str[i] = tolower(str[i]);
        }
}

void Util::eraseSpaces(string& str) {
        for (size_t i = 0; i < str.size(); i++) {
                if (' ' == str[i]) str.erase(i, 1);
        }
}

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