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72 lines
2.6 KiB
C++
72 lines
2.6 KiB
C++
// ***************************************************************** -*- C++ -*-
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/*
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* Copyright (C) 2004-2021 Exiv2 authors
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* This program is part of the Exiv2 distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
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*/
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// xmpparse.cpp
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// Read an XMP packet from a file, parse it and print all (known) properties.
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#include <exiv2/exiv2.hpp>
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#include <string>
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#include <iostream>
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#include <iomanip>
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int main(int argc, char* const argv[])
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try {
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Exiv2::XmpParser::initialize();
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::atexit(Exiv2::XmpParser::terminate);
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if (argc != 2) {
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std::cout << "Usage: " << argv[0] << " file\n";
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return 1;
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}
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Exiv2::DataBuf buf = Exiv2::readFile(argv[1]);
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std::string xmpPacket;
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xmpPacket.assign(reinterpret_cast<char*>(buf.pData_), buf.size_);
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Exiv2::XmpData xmpData;
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if (0 != Exiv2::XmpParser::decode(xmpData, xmpPacket)) {
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std::string error(argv[1]);
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error += ": Failed to parse file contents (XMP packet)";
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throw Exiv2::Error(Exiv2::kerErrorMessage, error);
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}
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if (xmpData.empty()) {
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std::string error(argv[1]);
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error += ": No XMP properties found in the XMP packet";
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throw Exiv2::Error(Exiv2::kerErrorMessage, error);
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}
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for (Exiv2::XmpData::const_iterator md = xmpData.begin();
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md != xmpData.end(); ++md) {
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std::cout << std::setfill(' ') << std::left
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<< std::setw(44)
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<< md->key() << " "
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<< std::setw(9) << std::setfill(' ') << std::left
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<< md->typeName() << " "
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<< std::dec << std::setw(3)
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<< std::setfill(' ') << std::right
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<< md->count() << " "
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<< std::dec << md->toString()
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<< std::endl;
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}
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Exiv2::XmpParser::terminate();
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return 0;
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}
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catch (Exiv2::AnyError& e) {
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std::cout << "Caught Exiv2 exception '" << e << "'\n";
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return -1;
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}
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