// ***************************************************************** -*- C++ -*-

// iptcprint.cpp

// Sample program to print the IPTC metadata of an image

#include <exiv2/exiv2.hpp>

#include <iostream>

#include <iomanip>

#include <cassert>

int main(int argc, char* const argv[])

try {

    Exiv2::XmpParser::initialize();

    ::atexit(Exiv2::XmpParser::terminate);

    if (argc != 2) {

        std::cout << "Usage: " << argv[0] << " file\n";

        return 1;

    }

    Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);

    assert (image.get() != 0);

    image->readMetadata();

    Exiv2::IptcData &iptcData = image->iptcData();

    if (iptcData.empty()) {

        std::string error(argv[1]);

        error += ": No IPTC data found in the file";

        throw Exiv2::Error(Exiv2::kerErrorMessage, error);

    }

    Exiv2::IptcData::iterator end = iptcData.end();

    for (Exiv2::IptcData::iterator md = iptcData.begin(); md != end; ++md) {

        std::cout << std::setw(44) << std::setfill(' ') << std::left

                  << md->key() << " "

                  << "0x" << std::setw(4) << std::setfill('0') << std::right

                  << std::hex << md->tag() << " "

                  << std::setw(9) << std::setfill(' ') << std::left

                  << md->typeName() << " "

                  << std::dec << std::setw(3)

                  << std::setfill(' ') << std::right

                  << md->count() << "  "

                  << std::dec << md->value()

                  << std::endl;

    }

    return 0;

}

catch (Exiv2::AnyError& e) {

    std::cout << "Caught Exiv2 exception '" << e << "'\n";

    return -1;

}