1 // ***************************************************************** -*- C++ -*-
2 /*
3 * Copyright (C) 2004-2021 Exiv2 authors
4 * This program is part of the Exiv2 distribution.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
19 */
20 // xmpparse.cpp
21 // Read an XMP packet from a file, parse it and print all (known) properties.
22
23 #include <exiv2/exiv2.hpp>
24 #include <string>
25 #include <iostream>
26 #include <iomanip>
27
main(int argc,char * const argv[])28 int main(int argc, char* const argv[])
29 try {
30 Exiv2::XmpParser::initialize();
31 ::atexit(Exiv2::XmpParser::terminate);
32 #ifdef EXV_ENABLE_BMFF
33 Exiv2::enableBMFF();
34 #endif
35
36 if (argc != 2) {
37 std::cout << "Usage: " << argv[0] << " file\n";
38 return 1;
39 }
40 Exiv2::DataBuf buf = Exiv2::readFile(argv[1]);
41 std::string xmpPacket;
42 xmpPacket.assign(reinterpret_cast<char*>(buf.pData_), buf.size_);
43 Exiv2::XmpData xmpData;
44 if (0 != Exiv2::XmpParser::decode(xmpData, xmpPacket)) {
45 std::string error(argv[1]);
46 error += ": Failed to parse file contents (XMP packet)";
47 throw Exiv2::Error(Exiv2::kerErrorMessage, error);
48 }
49 if (xmpData.empty()) {
50 std::string error(argv[1]);
51 error += ": No XMP properties found in the XMP packet";
52 throw Exiv2::Error(Exiv2::kerErrorMessage, error);
53 }
54 for (Exiv2::XmpData::const_iterator md = xmpData.begin();
55 md != xmpData.end(); ++md) {
56 std::cout << std::setfill(' ') << std::left
57 << std::setw(44)
58 << md->key() << " "
59 << std::setw(9) << std::setfill(' ') << std::left
60 << md->typeName() << " "
61 << std::dec << std::setw(3)
62 << std::setfill(' ') << std::right
63 << md->count() << " "
64 << std::dec << md->toString()
65 << std::endl;
66 }
67 Exiv2::XmpParser::terminate();
68 return 0;
69 }
70 catch (Exiv2::AnyError& e) {
71 std::cout << "Caught Exiv2 exception '" << e << "'\n";
72 return -1;
73 }
74