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110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
// ***************************************************************** -*- C++ -*-
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// stringto-test.cpp
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// Test conversions from string to long, float and Rational types.
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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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#include <exiv2/exiv2.hpp>
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#include <iostream>
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#include <iomanip>
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static constexpr const char* testcases[] = {
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// bool
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"True",
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"False",
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"t",
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"f",
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// long
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"-1",
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"0",
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"1",
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// float
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"0.0",
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"0.1",
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"0.01",
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"0.001",
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"-1.49999",
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"-1.5",
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"1.49999",
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"1.5",
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// Rational
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"0/1",
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"1/1",
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"1/3",
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"-1/3",
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"4/3",
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"-4/3",
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"0/0",
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// nok
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"text",
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};
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int main()
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{
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Exiv2::XmpParser::initialize();
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::atexit(Exiv2::XmpParser::terminate);
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#ifdef EXV_ENABLE_BMFF
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Exiv2::enableBMFF();
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#endif
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std::cout << std::setfill(' ');
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std::cout << std::setw(12) << std::left << "string";
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std::cout << std::setw(12) << std::left << "long";
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std::cout << std::setw(12) << std::left << "float";
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std::cout << std::setw(12) << std::left << "Rational";
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std::cout << std::endl;
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for (auto&& testcase : testcases) {
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try {
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std::string s(testcase);
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std::cout << std::setw(12) << std::left << s;
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bool ok = false;
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long l = Exiv2::parseLong(s, ok);
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std::cout << std::setw(12) << std::left;
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if (ok)
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std::cout << l;
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else
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std::cout << "nok";
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float f = Exiv2::parseFloat(s, ok);
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std::cout << std::setw(12) << std::left;
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if (ok)
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std::cout << f;
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else
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std::cout << "nok";
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Exiv2::Rational r = Exiv2::parseRational(s, ok);
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if (ok)
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std::cout << r.first << "/" << r.second;
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else
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std::cout << "nok";
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std::cout << std::endl;
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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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}
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return 0;
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}
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