FilePath.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_FILES_H_
#define DRAIN_FILES_H_
 
#include <iostream>
#include <iostream>
#include <sstream>
#include <sys/stat.h>
 
 
#include <drain/RegExp.h>
#include "Path.h"
 
 
namespace drain {
 
 
class FilePath {
 
public:
 
    typedef Path<std::string,'/',true,false,true> path_t;
 
    //FilePath(const std::string & s = "");
    template<typename ...TT>
    inline
    FilePath(const TT &... args){
        set(args...);
    }
 
 
    FilePath(const FilePath & s);
 
    virtual inline
    ~FilePath(){};
 
    inline
    void clear(){
        this->dir.clear();
        this->tail.clear();
        this->extension.clear();
    }
 
    inline
    bool empty() const {
        return (dir.empty() && tail.empty());
        // extension may be non-empty - but that would be odd.
    }
    //void set(const std::string & s);
 
    template<typename ...TT>
    inline
    void set(const TT &... args){
        this->clear();
        append(args...);
    }
 
    template<typename T, typename ...TT>
    void append(const T & arg, const TT &... args){
        this->dir.append(arg);
        append(args...);
        //set(elem);
    }
 
    void append(const FilePath & path);
 
 
    void append(const std::string & s);
 
 
    inline
    void append(const char *s){
        append(std::string(s));
    }
 
 
    inline
    void append(){};
    /*
    template<typename T>
    void append(const T & arg){
 
    }
    */
 
 
    inline
    bool operator==(const FilePath & p) const {
 
        if (p.tail != tail)
            return false;
 
        if (p.extension != extension)
            return false;
 
        if (p.dir != dir)
            return false;
 
        return true;
    }
 
 
    path_t dir;
    std::string tail;
    std::string extension;
 
    //bool isRooted
 
    //static
    //char separator;
 
    //static const RegExp pathRegExp;
 
 
    virtual
    std::ostream & toStream(std::ostream & ostr) const { //, char dirSeparator = 0) const {
 
        if (!dir.empty()){
            ostr << dir;
            if (!dir.back().empty())
                ostr << dir.separator.character;
        }
 
        ostr << tail;
 
        if (!extension.empty())
            ostr << '.' << extension;
 
        return ostr;
    }
 
    // Not inhrerited?
    virtual
    std::string  str() const {
        std::stringstream sstr;
        toStream(sstr);
        return sstr.str();
    }
 
    virtual inline
    operator std::string () const {
        return str();
    }
 
    inline
    FilePath & operator<<(const FilePath & path){
        append(path);
        /*
        this->dir << path.dir;
        if (!this->tail.empty())
            std::cerr << __FILE__ << " warning: dropped:" << this->tail << '\n';
        this->tail  = path.tail;
        this->extension = path.extension;
        //this->insert(this->end(), path.begin(), path.end());
        */
        return *this;
    }
 
    // Consider non-static method?
 
    static inline
    int mkdir(const std::string & dirpath, int flags = S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH){
        return mkdir(FilePath::path_t(dirpath), flags);
    }
 
    // Note: Path, not FilePath
    static
    int mkdir(const FilePath::path_t & dirpath, int flags = S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
 
    //
    void debug(std::ostream & ostr = std::cout) const;
 
protected:
 
    void handleBasename(const std::string & basename);
 
};
 
inline
std::ostream & operator<<(std::ostream & ostr, const FilePath & p) {
    return p.toStream(ostr);
}
 
 
} // drain::
 
 
#endif