FileTool.cpp

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/*
 * FileTool.cpp
 *
 *  This file is part of the HausmiSEP project
 *
 *  Copyright (C) 2012, 2013 Marco Alvarado (malvcr@gmail.com)
 *
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include <HSEP/FileTool.h>
#include <HSEP/StringTool.h>

#include <string.h>

namespace HSEP {

    struct ContextST {
        int      aResult;
        ostream& aOutputRef;

        ContextST(ostream& pOutputRef) : aOutputRef(pOutputRef) {
            aResult = 0;
        } // constructor

    }; // ContextST struct

    int FileTool::store   (ostream& pOutputRef, StringDictionary& pDictRef) {

        int vResult = 0;
        ContextST vContext(pOutputRef);

        pDictRef.forEach([&](string& xKeyRef, string* xValuePtr) {
            pOutputRef << xKeyRef << "=" << *xValuePtr << endl;
            vResult++;
        });

        return vResult;

    } // FileToo::store

    bool FileTool::retrieve(StringDictionary& pDictRef, istream& pInputRef ) {

        bool vResult = false;
        pDictRef.clear();

        string vLine;

        while (!pInputRef.eof()) {

            getline(pInputRef,vLine);

            StringTool::drop(vLine,"#");
            StringTool::ltrim(vLine);

            if (vLine.size()>0) {

                size_t vEqPos = vLine.find("=");

                if (string::npos != vEqPos) {

                    string vKey   = vLine.substr(0,vEqPos);
                    string vValue = vLine.substr(vEqPos+1);

                    pDictRef.put(vKey,vValue);
                    vResult = true;
                }
            }
        }

        return vResult;

    } // FileTool::retrieve

    int FileTool::store (ostream& pOutputRef, StringArray& pArrayRef) {

        int vResult = 0;

        pArrayRef.forEach([&](string* xValuePtr) {
            vResult++;
            pOutputRef << *xValuePtr << endl;
        });

        return vResult;

    } // FileTool::store

    bool FileTool::retrieve(StringArray& pArrayRef, istream& pInputRef ) {

        bool vResult = false;
        pArrayRef.clear();

        string vLine;

        while (!pInputRef.eof()) {

            getline(pInputRef,vLine);

            StringTool::drop(vLine,"#");
            StringTool::ltrim(vLine);

            if (vLine.size()>0) {
                 pArrayRef.push(vLine);
            }
            vResult = true;
        }

        return vResult;

    } // FileTool::retrieve

} // HSEP namespace