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

// xmpdump.cpp

// Sample program to dump the XMP packet of an image

#include <cassert>

#include <iostream>

#include <string>

#include "error.hpp"

#include "image.hpp"

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

{

    try {

        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();

        const std::string& xmpPacket = image->xmpPacket();

        if (xmpPacket.empty()) {

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

            error += ": No XMP packet found in the file";

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

        }

        std::cout << xmpPacket << "\n";

        return 0;

    } catch (Exiv2::AnyError& e) {

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

        return -1;

    }

}