mirror of https://github.com/AxioDL/kabufuda.git
37 lines
992 B
C++
37 lines
992 B
C++
#include "kabufuda/WideStringConvert.hpp"
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#include "utf8proc.h"
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namespace kabufuda {
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std::string WideToUTF8(std::wstring_view src) {
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std::string retval;
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retval.reserve(src.length());
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for (wchar_t ch : src) {
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utf8proc_uint8_t mb[4];
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utf8proc_ssize_t c = utf8proc_encode_char(utf8proc_int32_t(ch), mb);
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if (c < 0) {
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fprintf(stderr, "invalid UTF-8 character while encoding");
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return retval;
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}
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retval.append(reinterpret_cast<char*>(mb), c);
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}
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return retval;
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}
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std::wstring UTF8ToWide(std::string_view src) {
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std::wstring retval;
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retval.reserve(src.length());
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const utf8proc_uint8_t* buf = reinterpret_cast<const utf8proc_uint8_t*>(src.data());
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while (*buf) {
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utf8proc_int32_t wc;
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utf8proc_ssize_t len = utf8proc_iterate(buf, -1, &wc);
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if (len < 0) {
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fprintf(stderr, "invalid UTF-8 character while decoding");
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return retval;
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}
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buf += len;
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retval += wchar_t(wc);
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}
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return retval;
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}
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} // namespace kabufuda
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