DBStatementCatalog.cpp

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/*
 * DBStatementCatalog.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 <HSEPData/DBStatementCatalog.h>

#include <stdlib.h>
#include <string.h>

#include <sys/types.h>
#include <dirent.h>
#include <errno.h>

#include <fstream>

using namespace std;

namespace HSEPData {

    DBStatementCatalog* DBStatementCatalog::aInstance = nullptr;

    bool DBStatementCatalog::load() {

        bool vResult = false;

        DIR*    vDir;
        dirent* vDirEnt;
        char    vName[256+1];
        string  vFilePath;
        string  vLine;
        string  vValue;
        fstream vFile;

        if ((vDir = opendir (aPath.c_str())) != nullptr) {
            while ((vDirEnt = readdir (vDir)) != nullptr) {
                size_t vLen = strlen(vDirEnt->d_name);
                if (vLen > 4) {
                    if (strcmp(vDirEnt->d_name+vLen-4,".sql")==0) {
                        strncpy(vName,vDirEnt->d_name,vLen-4);
                        vName[vLen-4] = '\0';

                        vFilePath = aPath;
                        vFilePath.append("/");
                        vFilePath.append(vDirEnt->d_name);

                        vFile.open(vFilePath.c_str(),ios::in); // take care, must be read-only
                        vValue.clear();

                        while (getline(vFile,vLine)) {
                            vValue.append(vLine);
                            vValue.append("\n");
                            vLine.clear();
                        }
                        vFile.close();

                        aCatalog.put(vName,vValue);
                        aValid = true;
                    }
                }
            }
            closedir(vDir);
        }

        return vResult;

    } // DBStatementCatalog::load

} // HSEPData namespace