diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/unicode.h | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/include/unicode.h b/include/unicode.h index 6d8aac5..7965a6e 100644 --- a/include/unicode.h +++ b/include/unicode.h @@ -284,7 +284,8 @@ namespace unicode::detail { return trailing_byte<m - n - 1>(value); } - void append_utf8(const char32_t& value) + template<class X = T, typename std::enable_if<(sizeof(X) == 1), bool>::type = true> + inline void append_utf(const char32_t& value) { if (value < 0x80) { // 1 byte s.push_back(static_cast<value_type>(value)); @@ -304,9 +305,10 @@ namespace unicode::detail { throw std::runtime_error("Invalid internal Unicode value: "s + std::to_string(static_cast<uint32_t>(value))); } - void append_utf16(const char32_t& value) + template<class X = T, typename std::enable_if<(sizeof(X) == 2), bool>::type = true> + inline void append_utf(const char32_t& value) { - if (value <= 0xFFFF) { // expect value to be already valid Unicode values + if (value <= 0xFFFF) { // expect value to be already valid Unicode values (checked in input iterator) s.push_back(static_cast<value_type>(value)); } else { char32_t value_reduced{value - 0x10000}; @@ -315,23 +317,16 @@ namespace unicode::detail { } } - void append_utf32(const char32_t& value) + template<class X = T, typename std::enable_if<(sizeof(X) == 4), bool>::type = true> + inline void append_utf(const char32_t& value) { - // expect value to be already valid Unicode values + // expect value to be already valid Unicode values (checked in input iterator) s.push_back(value); } reference operator=(const char32_t& value) { - static_assert(sizeof(T) == 1 || sizeof(T) == 2 || sizeof(T) == 4); - - if constexpr(sizeof(T) == 1) { - append_utf8(value); - } else if constexpr(sizeof(T) == 2) { - append_utf16(value); - } else if constexpr(sizeof(T) == 4) { - append_utf32(value); - } + append_utf(value); return *this; } |