TripleFormat.cpp

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/*
 * This file is part of KnowRob, please consult
 * https://github.com/knowrob/knowrob for license details.
 */
 
#include <unordered_map>
#include "knowrob/semweb/TripleFormat.h"
 
static const std::unordered_map<std::string_view, knowrob::semweb::TripleFormat> stringToMap = {
    {"rdfxml", knowrob::semweb::TripleFormat::RDF_XML},
    {"rdf-xml", knowrob::semweb::TripleFormat::RDF_XML},
    {"rdf/xml", knowrob::semweb::TripleFormat::RDF_XML},
    {"RDFXML", knowrob::semweb::TripleFormat::RDF_XML},
    {"RDF-XML", knowrob::semweb::TripleFormat::RDF_XML},
    {"RDF/XML", knowrob::semweb::TripleFormat::RDF_XML},
    {"rdfa", knowrob::semweb::TripleFormat::RDFA},
    {"RDFA", knowrob::semweb::TripleFormat::RDFA},
    {"trig", knowrob::semweb::TripleFormat::TRIG},
    {"TRIG", knowrob::semweb::TripleFormat::TRIG},
    {"grddl", knowrob::semweb::TripleFormat::GRDDL},
    {"GRDDL", knowrob::semweb::TripleFormat::GRDDL},
    {"turtle", knowrob::semweb::TripleFormat::TURTLE},
    {"TURTLE", knowrob::semweb::TripleFormat::TURTLE},
    {"ntriples", knowrob::semweb::TripleFormat::N_TRIPLES},
    {"n-triples", knowrob::semweb::TripleFormat::N_TRIPLES},
    {"NTRIPLES", knowrob::semweb::TripleFormat::N_TRIPLES},
    {"N-TRIPLES", knowrob::semweb::TripleFormat::N_TRIPLES},
};
static const std::unordered_map<std::string_view, knowrob::semweb::TripleFormat> stringToMap2 = {
    {"xml", knowrob::semweb::TripleFormat::RDF_XML},
    {"XML", knowrob::semweb::TripleFormat::RDF_XML}
};
 
namespace knowrob::semweb {
    bool isTripleFormatString(std::string_view format) {
        auto it = stringToMap.find(format);
        return (it != stringToMap.end());
    }
 
    TripleFormat tripleFormatFromString(std::string_view format) {
        auto it = stringToMap.find(format);
        if (it != stringToMap.end()) {
            return it->second;
        }
        it = stringToMap2.find(format);
        if (it != stringToMap2.end()) {
            return it->second;
        }
        return TripleFormat::RDF_XML;
    }
 
    std::string_view tripleFormatToString(TripleFormat format) {
        switch (format) {
            case TripleFormat::RDF_XML:
                return "RDF/XML";
            case TripleFormat::RDFA:
                return "RDFA";
            case TripleFormat::TRIG:
                return "TRIG";
            case TripleFormat::GRDDL:
                return "GRDDL";
            case TripleFormat::TURTLE:
                return "TURTLE";
            case TripleFormat::N_TRIPLES:
                return "N-TRIPLES";
        }
        return "RDF/XML";
    }
 
    std::string_view tripleFormatMimeType(knowrob::semweb::TripleFormat format) {
        switch (format) {
            case semweb::RDF_XML:
                return "rdfxml";
            case semweb::TURTLE:
                return "turtle";
            case semweb::N_TRIPLES:
                return "ntriples";
            case semweb::RDFA:
                return "rdfa";
            case semweb::TRIG:
                return "trig";
            case semweb::GRDDL:
                return "grddl";
        }
        return "rdfxml";
    }
}