Utils.cpp

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/*------------------------------------------------------------------------------
    This file is part of PHP-AST Project by Romain Gaucher (http://rgaucher.info).

    PHP-AST 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.

    PHP-AST/ORACLE 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 PHP-AST.  If not, see <http://www.gnu.org/licenses/>.
------------------------------------------------------------------------------*/


#include "Utils.h"
using namespace std;

namespace utils {

void replace(string& where, const string& what, const string& by)
{
    for (string::size_type  i  = where.find(what);
                            i != string::npos;
                            i  = where.find(what, i + by.size()))
        where.replace(i, what.size(), by);
}

bool start_with(const string& str, const string& what) {
    if (what.length() <= str.length())
    {
        string::const_iterator str_iter = str.begin();
        for (string::const_iterator i=what.begin(); i!=what.end();++i) {
            if (*i != *str_iter)
                return false;
            ++str_iter;
        }
        return true;        
    }
    return false;
}

bool end_with(const string& str, const string& what) {
    if (what.length() <= str.length())
    {
        string::const_iterator str_iter = str.begin();
        for (string::const_reverse_iterator i=what.rbegin(); i!=what.rend();++i) {
            if (*i != *str_iter)
                return false;
            ++str_iter;
        }
        return true;        
    }
    return false;
}

}

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