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// ***************************************************************** -*- C++ -*-
// xmpparser-test.cpp, $Rev: 1354 $
// Read an XMP packet from a file, parse and re-serialize it.
#include <exiv2/basicio.hpp>
#include <exiv2/xmp.hpp>
#include <exiv2/error.hpp>
#include <exiv2/futils.hpp>
#include <string>
#include <iostream>
#include <iomanip>
int main(int argc, char* const argv[])
try {
if (argc != 2) {
std::cout << "Usage: " << argv[0] << " file\n";
return 1;
}
std::string filename(argv[1]);
Exiv2::DataBuf buf = Exiv2::readFile(filename);
std::string xmpPacket;
xmpPacket.assign(reinterpret_cast<char*>(buf.pData_), buf.size_);
std::cerr << "-----> Decoding XMP data read from " << filename << " <-----\n";
Exiv2::XmpData xmpData;
if (0 != Exiv2::XmpParser::decode(xmpData, xmpPacket)) {
std::string error(argv[1]);
error += ": Failed to parse file contents (XMP packet)";
throw Exiv2::Error(1, error);
}
if (xmpData.empty()) {
std::string error(argv[1]);
error += ": No XMP properties found in the XMP packet";
throw Exiv2::Error(1, error);
}
for (Exiv2::XmpData::const_iterator md = xmpData.begin();
md != xmpData.end(); ++md) {
std::cout << std::setfill(' ') << std::left
<< std::setw(44)
<< md->key() << " "
<< 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;
}
filename += "-new";
std::cerr << "-----> Encoding XMP data to write to " << filename << " <-----\n";
if (0 != Exiv2::XmpParser::encode(xmpPacket, xmpData)) {
std::string error(argv[1]);
error += ": Failed to encode the XMP data";
throw Exiv2::Error(1, error);
}
Exiv2::FileIo file(filename);
if (file.open("wb") != 0) {
throw Exiv2::Error(10, filename, "wb", Exiv2::strError());
}
if (file.write(reinterpret_cast<const Exiv2::byte*>(xmpPacket.data()), static_cast<long>(xmpPacket.size())) == 0) {
throw Exiv2::Error(2, filename, Exiv2::strError(), "FileIo::write");
}
Exiv2::XmpParser::terminate();
return 0;
}
catch (Exiv2::AnyError& e) {
std::cout << "Caught Exiv2 exception '" << e << "'\n";
return -1;
}
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