Blame samples/stringto-test.cpp
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// ***************************************************************** -*- 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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#include <exiv2/exiv2.hpp>
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#include <iostream>
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#include <iomanip>
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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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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 (unsigned int i = 0; i < EXV_COUNTOF(testcases); ++i) try {
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std::string s(testcases[i]);
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std::cout << std::setw(12) << std::left << s;
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bool ok;
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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) std::cout << l; else 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) std::cout << f; else std::cout << "nok";
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Exiv2::Rational r = Exiv2::parseRational(s, ok);
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if (ok) std::cout << r.first << "/" << r.second;
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else std::cout << "nok";
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std::cout << std::endl;
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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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return 0;
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}
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