INIFile.h

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/*
Copyright (C) 2004 The Pentagram team

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.
*/

#ifndef INIFILE_H
#define INIFILE_H

#include <set>
#include <list>

class INIFile
{
public:
        INIFile();
        INIFile(std::string fname, Pentagram::istring root);
        ~INIFile();

        bool readConfigFile(std::string fname);

        bool readConfigString(std::string s);

        void clear(Pentagram::istring root);

        std::string dump();
        void write();

        void setReadonly() { readonly = true; }
        bool isReadonly() const { return readonly; }

        bool hasSection(Pentagram::istring section);
        bool hasKey(Pentagram::istring key);
        bool checkRoot(Pentagram::istring key);

        // get value
        bool value(Pentagram::istring key, std::string &ret);
        bool value(Pentagram::istring key, int &ret);
        bool value(Pentagram::istring key, bool &ret);

        // set value
        void set(Pentagram::istring key, std::string value);
        void set(Pentagram::istring key, const char* value);
        void set(Pentagram::istring key, int value);
        void set(Pentagram::istring key, bool value);

        // remove key
        void unset(Pentagram::istring key);

        void listKeys(std::set<Pentagram::istring>& keys,
                                  Pentagram::istring section,
                                  bool longformat=false);

        void listSections(std::set<Pentagram::istring>& sections,
                                          bool longformat=false);

        void listKeyValues(std::map<Pentagram::istring,std::string>& keyvalues,
                                           Pentagram::istring section,
                                           bool longformat = false);

private:
        std::string filename;
        Pentagram::istring root;
        bool is_file;
        bool readonly;

        struct KeyValue {
                Pentagram::istring key;
                std::string value;
                std::string comment;
        };

        struct Section {
                Pentagram::istring name;
                std::list<KeyValue> keys;
                std::string comment;

                bool hasKey(Pentagram::istring key);
                KeyValue* getKey(Pentagram::istring key);
                void setKey(Pentagram::istring key, std::string value);
                void unsetKey(Pentagram::istring key);

                std::string dump();
        };

        std::list<Section> sections;


        bool stripRoot(Pentagram::istring& key);
        Section* getSection(Pentagram::istring section);
        bool splitKey(Pentagram::istring key, Pentagram::istring& section,
                                  Pentagram::istring& sectionkey);

};

#endif

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