FlagsOld.h

/*
 
MIT License
 
Copyright (c) 2017 FMI Open Development / Markus Peura, first.last@fmi.fi
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 
*/
/*
Part of Rack development has been done in the BALTRAD projects part-financed
by the European Union (European Regional Development Fund and European
Neighbourhood Partnership Instrument, Baltic Sea Region Programme 2007-2013)
*/
 
#ifndef DRAIN_FLAGS_OLD_H_
#define DRAIN_FLAGS_OLD_H_
 
#include "Flags.h"
 
namespace drain {
 
 
 
 
 
 
class Flagger :public FlagResolver { // for typedefs
 
public:
 
    ivalue_t ownValue;
    ivalue_t & value;
 
    const dict_t & dictionary; // todo open (keep own secret, later)
 
    /*
    virtual inline
    const dict_t & getDict() const {
        return dictionary;
    }
    */
 
    char separator;  // needed?
 
    inline
    Flagger(const dict_t & dict, char separator = 0) :
        ownValue(0),
        value(ownValue),
        dictionary(dict),
        separator(separator?separator:dict.separator){
    };
 
    inline
    Flagger(ivalue_t & value, const dict_t & dict, char separator = 0) :
        ownValue(0),
        value(value),
        dictionary(dict),
        separator(separator?separator:dict.separator){
    };
 
    inline
    Flagger(const Flagger & flags) : //FlagResolver(flags.dictionary, flags.separator), value(flags.value){
        ownValue(flags.value), // OK init
        value(flags.value),  // <-- FIX: this will cause error (non-const referencing const). Should be
        dictionary(flags.dictionary),
        separator(flags.separator){
 
        drain::Logger mout(__FILE__, __FUNCTION__);
        mout.error("Flagger inits value &= flags.value", flags);
    };
 
 
    inline virtual
    ~Flagger(){};
 
 
    // Variadic-argument member set function.
    // https://en.cppreference.com/w/cpp/language/parameter_pack
    // TODO: should explicit zero reset the value?
    template <typename T, typename ... TT>
    inline
    Flagger & set(const T & arg, const TT &... args) {
        deepSet(arg);
        set(args...);
        return *this;
    }
 
 
protected:
 
    inline
    Flagger & set(){
        return *this;
    }
 
    // TODO: should explicit zero reset the value?
    inline
    Flagger & deepSet(ivalue_t x){
        this->value = (this->value | x);
        return *this;
    }
 
 
 
    inline
    Flagger & deepSet(const key_t & key){
        deepSet(getValue(key, separator));
        return *this;
    };
 
 
 
public:
 
 
    inline
    Flagger & unset(ivalue_t x){
        value = (value & ~x);
        return *this;
    };
 
    inline
    Flagger & unset(const key_t & key){
        //unset(dictionary.getValue(key, separator));
        unset(getValue(key, separator));
        return *this;
    };
 
 
    inline
    Flagger & reset(){
        value = 0;
        return *this;
    }
 
    inline
    bool isSet(ivalue_t x) const {
        return (value & x) != 0;
    };
 
    inline
    bool isSet(const key_t & key) const {
        return isSet(dictionary.getValue(key));
    };
 
 
    // For some reason this cannot be templated (see below)
    inline
    Flagger & operator=(const Flagger &x){
        assign(x);
        return *this;
    }
 
 
    template <class T>
    inline
    Flagger & operator=(const T &x){
        assign(x);
        return *this;
    }
 
 
    inline
    void assign(ivalue_t x){
        value = x;
    }
 
 
    inline
    void assign(const Flagger & flags){
        value = flags.value;
    }
 
 
    void assign(const std::string & params);
 
 
    inline
    operator ivalue_t() const {
        return value;
    }
 
    inline
    operator bool() const {
        return (value > 0);
    }
 
    inline
    operator std::string() const {
        std::stringstream sstr;
        keysToStream(sstr);
        //toStream(sstr);
        return sstr.str();
    }
 
 
 
 
    inline
    ivalue_t getValue(const std::string & key, char separator=0) const {
        // important: if sep undefined, use Flags.sep.
        // Or/consider Flag dict sep => '|'
        return FlagResolver::getValue(dictionary, key, separator ? separator : this->separator);
    }
 
    inline
    std::string getKeys(ivalue_t value, char separator=0) const {
        return FlagResolver::getKeys(dictionary, value, separator ? separator : this->separator);
    }
 
    inline
    std::string getKeys(char separator=0) const {
        return FlagResolver::getKeys(dictionary, value, separator ? separator : this->separator);
    }
 
    // TODO consider rename
    const dict_t::keylist_t & keys() const;
 
protected:
 
    mutable dict_t::keylist_t keyList;
 
    //mutable dict_t::valuelist_t valueList;
 
public:
 
 
 
    inline
    std::ostream & keysToStream(std::ostream & ostr=std::cout, char separator=0) const {
        return FlagResolver::keysToStream(dictionary, value, ostr, separator ? separator : this->separator);
    }
 
    //std::ostream & toStream(std::ostream & ostr=std::cout, char separator=',') const; // PathMatcher '|' !
    //std::ostream & toStream(std::ostream & ostr=std::cout, char separator=0) const; // PathMatcher '|' !
 
 
    template <class T>
    void exportStatus(std::map<std::string, T> & statusMap) const {
        for (dict_t::const_iterator it = dictionary.begin(); it != dictionary.end(); ++it){
            if ((it->second > 0) && ((it->second & value) == it->second)){ // fully covered in value
                statusMap[it->first] = 1;
            }
            else {
                statusMap[it->first] = 0;
            }
        }
    }
 
 
    static
    const drain::SprinterLayout flagDictLayout;
 
 
};
 
 
inline
std::ostream & operator<<(std::ostream & ostr, const drain::Flagger & flags) {
    return flags.keysToStream(ostr);
}
 
 
class Flags : public Flagger {
 
protected:
 
    dict_t  ownDictionary;
 
public:
 
    virtual inline
    const dict_t & getDict() const{
        return ownDictionary;
    }
 
 
    virtual inline
    dict_t & getDict(){
        return ownDictionary;
    }
 
 
    Flags(char separator = ',') : Flagger(ownDictionary, separator){
    }
 
    //Flags(dict_t & d, char separator = ',') : Flagger(ownValue, d, separator){    }
 
    Flags(const Flags & flags) : Flagger(ownValue = flags.ownValue, ownDictionary, flags.separator){
        // Copy dict?
    }
 
    /*
     * std::initializer_list<entry_t> d
     */
    Flags(std::initializer_list<dict_t::entry_t> d, char separator = ',') : Flagger(ownValue, ownDictionary, separator) { //, ownDictionary(d){
        for (const dict_t::entry_t & entry: d){
            addEntry(entry.first, entry.second);
        }
    }
 
 
 
    template <class T>
    inline
    Flags & operator=(const T &x){
        assign(x);
        return *this;
    }
 
 
    inline
    ivalue_t addEntry(const dict_t::key_t & key, ivalue_t i=0){
        return Flagger::addEntry(ownDictionary, key, i);
    }
 
    /*
    inline
    ivalue_t add(const dict_t::entry_t & entry){
        return Flagger::add(ownDictionary, entry.first,  entry.second);
    }
    */
 
protected:
 
    /*
    bool usesOwnDict() const { //??
        return (&dictionary == &dictionary);
    }
    */
};
 
 
 
 
 
 
} // drain::
 
 
#endif