fileio-read.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 RACK_FILE_IO_READ
#define RACK_FILE_IO_READ
 
//#include <drain/prog/CommandRegistry.h>
#include <drain/prog/CommandInstaller.h>
#include <hi5/Hi5Read.h>
 
//#include "data/Quantity.h"
 
#include "resources.h"
 
namespace rack {
 
 
/*
class CmdInputSelect : public drain::BasicCommand {
 
public:
 
    CmdInputSelect() : drain::BasicCommand(__FUNCTION__, "Read ATTRIBUTES (1), DATA(2) or both (3)."){
        //, "value", hi5::Reader::ATTRIBUTES|hi5::Reader::DATASETS, "flag"){};
        getParameters().link("value", getResources().inputSelect = hi5::Reader::ATTRIBUTES|hi5::Reader::DATASETS, "flag");
    }
 
};
*/
 
class PrefixChecker  {
 
public:
 
    static inline
    bool check(const std::string & prefix){
 
        drain::FilePath check(prefix);
        if (check.str() != prefix){
            drain::Logger mout(__FILE__, __FUNCTION__);
            mout.advice("initial file paths starting with '/' are handled absolute, not prefixed");
            mout.warn("consider adjusting path ", prefix, " -> ", check.str());
            return false;
        }
        else {
            return true;
        }
    }
 
};
 
 
class CmdInputPrefix : public drain::SimpleCommand<std::string>, protected PrefixChecker {
 
public:
 
    inline
    CmdInputPrefix() : drain::SimpleCommand<std::string>(__FUNCTION__, "Path prefix for input files."){
        //RackContext & ctx = getContext<RackContext>(); // DO NOT LINK, dynamic context!
        //getParameters().link("path", getResources().inputPrefix = "");
    };
 
    inline
    void exec() const {
        check(value);
        getContext<RackContext>().inputPrefix = value;
    }
};
 
 
 
 
class CmdInputFile : public drain::SimpleCommand<std::string>  {
 
public:
 
    inline
    CmdInputFile() : drain::SimpleCommand<std::string>(__FUNCTION__, "Read HDF5, text or image file",
            "filename", "", "<filename>.[h5|hdf5|png|pgm|ppm|txt]"){ //, inputComplete(true) {
        //execRoutine = true;
        //this->section = drain::Static::get<drain::GeneralSection>().index | drain::Static::get<drain::TriggerSection>().index
    };
 
 
    //mutable bool inputComplete;
 
    // Essentially calls readFile
    void exec() const;
 
    // Called by exec, allowing recursion (esp. by readListFile)
    void readFile(const std::string & fileName) const;
 
protected:
 
    // \param COMBINE - force appending new file to a volume (even if origin or time differ)
 
 
    void readFileH5(const std::string & fullFilename, int maxTimeDiffMinutes = 0) const;
    // void readListFile(const std::string & fullFilename) const;
    void readListFile(const drain::FilePath & path) const;
    void readTextFile(const std::string & fullFilename) const;
    void readImageFile(const std::string & fullFilename) const;
 
    //void readFileAndAppendH5(const std::string & fullFilename) const;
 
    void appendCartesianH5(Hi5Tree & tmpSrc,  Hi5Tree & dst) const;
    void attachCartesianH5(Hi5Tree & srcRoot, Hi5Tree & dstRoot) const;
 
    void appendPolarH5(Hi5Tree & tmpSrc, Hi5Tree & dst) const;
    //void appendPolarH5OLD(Hi5Tree & tmpSrc, Hi5Tree & dst) const;
 
    typedef std::map<std::string, ODIMPathElem> quantity_map;
 
    void updateData(Hi5Tree & srcData, const std::string & srcKey, Hi5Tree & dstDataSet, const quantity_map & dstQuantityElems) const ;
    // void updateDataNEW(Hi5Tree & srcData, const ODIMPathElem & srcElem, Hi5Tree & dstDataSet, const quantity_map & dstQuantityElems) const ;
 
 
    void updateQuality(Hi5Tree & srcData, Hi5Tree & dstData) const;
 
 
    template <class OD>  // const drain::VariableMap & rootProperties,
    void deriveImageODIM( const drain::image::Image &srcImage,
            OD & odim) const {
        // See also EncodingODIM copyFro
        const drain::image::Geometry & g = srcImage.getGeometry();
        odim.setGeometry(g.getWidth(), g.getHeight());
        odim.type = drain::Type::getTypeChar(srcImage.getType());
        //odim.updateFromMap(rootProperties);
        odim.updateFromMap(srcImage.properties);
        if (odim.scaling.scale == 0){
            if (!odim.quantity.empty())
                getQuantityMap().setQuantityDefaults(odim, odim.quantity);
        }
 
        //odim.copyToData(dst);
 
    }
 
};
 
 
 
 
class CmdInputSelect : public drain::SimpleCommand<std::string> {
 
public:
 
    inline
    CmdInputSelect() : drain::SimpleCommand<std::string>(__FUNCTION__, "Selector for input data."){
    };
 
    inline
    void exec() const {
        getContext<RackContext>().inputSelect = value;
    }
};
 
 
} // rack
 
 
 
/*
template <class OD>
void CmdInputFile::deriveImageODIM(){
}
*/
 
#endif
 
// Rack