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53 lines
1.4 KiB
53 lines
1.4 KiB
7 years ago
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extern "C" {
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#include <iconv.h>
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}
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#include <array>
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#include <cstddef>
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#include <cstdlib>
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#include <iostream>
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#include <string>
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#include <system_error>
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class iconv_desc
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{
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private:
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iconv_t iconvd_;
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public:
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iconv_desc(const std::string& tocode, const std::string& fromcode)
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{
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iconvd_ = iconv_open(tocode.c_str(), fromcode.c_str());
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if (iconvd_ == reinterpret_cast<iconv_t>(-1))
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throw std::system_error(errno, std::system_category());
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}
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~iconv_desc() { iconv_close(iconvd_); }
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operator iconv_t() { return this->iconvd_; }
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};
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int main()
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{
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try {
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auto conv_d = iconv_desc{ "ISO-8859-1", "UTF-8" };
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auto from_str = std::array<char, 10>{ u8"a\xC3\xA4o\xC3\xB6u\xC3\xBC" };
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auto to_str = std::array<char, 7>{};
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auto from_str_ptr = from_str.data();
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auto from_len = from_str.size();
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auto to_str_ptr = to_str.data();
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auto to_len = to_str.size();
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const auto iconv_ret =
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iconv(conv_d, &from_str_ptr, &from_len, &to_str_ptr, &to_len);
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if (iconv_ret == static_cast<std::size_t>(-1))
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throw std::system_error(errno, std::system_category());
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std::cout << '\'' << from_str.data() << "\' converted to \'"
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<< to_str.data() << '\'' << std::endl;
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return EXIT_SUCCESS;
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} catch (const std::system_error& ex) {
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std::cerr << "ERROR: " << ex.code() << '\n'
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<< ex.code().message() << std::endl;
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}
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return EXIT_FAILURE;
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}
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