53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
#include "convert.h"
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void fromInt(int value) {
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// char
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std::cout << std::setw(7) << std::left << "char";
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if (value < 0 || value > std::numeric_limits<char>::max())
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std::cout << B_RED << "impossible" << RESET "\n";
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else if (!isprint(value))
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std::cout << B_RED << "non displayable" << RESET "\n";
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else
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std::cout << B_CYAN << static_cast<char>(value) << RESET "\n";
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// float
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std::cout << std::setw(7) << std::left << "float" << B_CYAN
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<< static_cast<float>(value) << RESET "\n";
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// double
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std::cout << std::setw(7) << std::left << "double" << B_CYAN
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<< static_cast<double>(value) << RESET "\n";
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}
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bool isInt(std::string str) {
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std::string int_xtrem = MAX_INT;
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if (str[0] == '-')
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int_xtrem = MAX_INT_1;
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if (str[0] == '+' || str[0] == '-')
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str.erase(str.begin());
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if (str.length() == 0 || str.length() > INT_MAX_LENGTH)
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return false;
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if (str.find_first_not_of("0123456789") != std::string::npos)
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return false;
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if (str.length() < INT_MAX_LENGTH)
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return true;
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if (str.compare(int_xtrem) > 0)
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return false;
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return true;
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}
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bool checkInt(std::string str) {
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int i;
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if (!isInt(str))
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return false;
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std::istringstream(str) >> i;
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std::cout << B_CYAN << i << B_YELLOW " int" RESET "\n";
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fromInt(i);
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return true;
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}
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