AsciiFile.h

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/*
 * Copyright (c) [2004-2010] Novell, Inc.
 *
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as published
 * by the Free Software Foundation.
 *
 * 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, contact Novell, Inc.
 *
 * To contact Novell about this file by physical or electronic mail, you may
 * find current contact information at www.novell.com.
 */


#ifndef ASCII_FILE_H
#define ASCII_FILE_H


#include <string>
#include <vector>
#include <algorithm>


namespace storage
{
    using std::string;
    using std::vector;


    class AsciiFile
    {
    public:

        explicit AsciiFile(const char* name, bool remove_empty = false);
        explicit AsciiFile(const string& name, bool remove_empty = false);

        string name() const { return Name_C; }

        bool reload();
        bool save();

        void logContent() const;

        void append( const string& Line_Cv );
        void append( const vector<string>& Lines_Cv );
        void insert( unsigned int Before_iv, const string& Line_Cv );
        void clear();
        void remove( unsigned int Start_iv, unsigned int Cnt_iv );
        void replace( unsigned int Start_iv, unsigned int Cnt_iv,
                      const string& Line_Cv );
        void replace( unsigned int Start_iv, unsigned int Cnt_iv,
                      const vector<string>& Line_Cv );

        const string& operator []( unsigned int Index_iv ) const;
        string& operator []( unsigned int Index_iv );

        template <class Pred>
        int find_if_idx(Pred pred) const
        {
            vector<string>::const_iterator it = std::find_if(Lines_C.begin(), Lines_C.end(), pred);
            if (it == Lines_C.end())
                return -1;
            return std::distance(Lines_C.begin(), it);
        }

        unsigned numLines() const { return Lines_C.size(); }

        vector<string>& lines() { return Lines_C; }
        const vector<string>& lines() const { return Lines_C; }

    protected:

        void removeLastIf(string& Text_Cr, char Char_cv) const;

        const string Name_C;
        const bool remove_empty;

        vector<string> Lines_C;

    };


    class SysconfigFile : protected AsciiFile
    {
    public:

        SysconfigFile(const char* name) : AsciiFile(name) {}

        bool getValue(const string& key, string& value) const;

    };


    class InstallInfFile : protected AsciiFile
    {
    public:

        InstallInfFile(const char* name) : AsciiFile(name) {}

        bool getValue(const string& key, string& value) const;

    };

}


#endif