mirror of
https://github.com/TerryCavanagh/VVVVVV.git
synced 2026-01-29 17:38:16 +03:00
Update dependencies
This commit is contained in:
AlexApps99
53
third_party/utfcpp/source/utf8/core.h
vendored
53
third_party/utfcpp/source/utf8/core.h
vendored
@@ -77,12 +77,29 @@ namespace internal
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{
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return static_cast<uint8_t>(0xff & oc);
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}
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template<typename u16_type>
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inline uint16_t mask16(u16_type oc)
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{
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return static_cast<uint16_t>(0xffff & oc);
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}
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template<typename octet_type>
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inline bool is_trail(octet_type oc)
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{
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return ((utf8::internal::mask8(oc) >> 6) == 0x2);
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}
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template <typename u16>
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inline bool is_lead_surrogate(u16 cp)
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{
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return (cp >= LEAD_SURROGATE_MIN && cp <= LEAD_SURROGATE_MAX);
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}
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template <typename u16>
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inline bool is_trail_surrogate(u16 cp)
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{
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return (cp >= TRAIL_SURROGATE_MIN && cp <= TRAIL_SURROGATE_MAX);
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}
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template <typename u16>
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inline bool is_surrogate(u16 cp)
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{
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@@ -281,7 +298,41 @@ namespace internal
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}
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} // namespace internal
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}
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/// The library API - functions intended to be called by the users
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// Byte order mark
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const uint8_t bom[] = {0xef, 0xbb, 0xbf};
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template <typename octet_iterator>
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octet_iterator find_invalid(octet_iterator start, octet_iterator end)
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{
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octet_iterator result = start;
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while (result != end) {
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utf8::internal::utf_error err_code = utf8::internal::validate_next(result, end);
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if (err_code != internal::UTF8_OK)
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return result;
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}
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return result;
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}
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template <typename octet_iterator>
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inline bool is_valid(octet_iterator start, octet_iterator end)
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{
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return (utf8::find_invalid(start, end) == end);
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}
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template <typename octet_iterator>
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inline bool starts_with_bom (octet_iterator it, octet_iterator end)
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{
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return (
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((it != end) && (utf8::internal::mask8(*it++)) == bom[0]) &&
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((it != end) && (utf8::internal::mask8(*it++)) == bom[1]) &&
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((it != end) && (utf8::internal::mask8(*it)) == bom[2])
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);
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}
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} // namespace utf8
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#endif // header guard
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184
third_party/utfcpp/source/utf8/unchecked.h
vendored
184
third_party/utfcpp/source/utf8/unchecked.h
vendored
@@ -34,6 +34,69 @@ namespace utf8
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{
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namespace unchecked
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{
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template <typename octet_iterator>
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octet_iterator append(uint32_t cp, octet_iterator result)
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{
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if (cp < 0x80) // one octet
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*(result++) = static_cast<uint8_t>(cp);
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else if (cp < 0x800) { // two octets
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*(result++) = static_cast<uint8_t>((cp >> 6) | 0xc0);
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*(result++) = static_cast<uint8_t>((cp & 0x3f) | 0x80);
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}
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else if (cp < 0x10000) { // three octets
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*(result++) = static_cast<uint8_t>((cp >> 12) | 0xe0);
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*(result++) = static_cast<uint8_t>(((cp >> 6) & 0x3f) | 0x80);
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*(result++) = static_cast<uint8_t>((cp & 0x3f) | 0x80);
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}
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else { // four octets
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*(result++) = static_cast<uint8_t>((cp >> 18) | 0xf0);
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*(result++) = static_cast<uint8_t>(((cp >> 12) & 0x3f)| 0x80);
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*(result++) = static_cast<uint8_t>(((cp >> 6) & 0x3f) | 0x80);
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*(result++) = static_cast<uint8_t>((cp & 0x3f) | 0x80);
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}
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return result;
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}
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template <typename octet_iterator, typename output_iterator>
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output_iterator replace_invalid(octet_iterator start, octet_iterator end, output_iterator out, uint32_t replacement)
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{
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while (start != end) {
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octet_iterator sequence_start = start;
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internal::utf_error err_code = utf8::internal::validate_next(start, end);
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switch (err_code) {
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case internal::UTF8_OK :
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for (octet_iterator it = sequence_start; it != start; ++it)
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*out++ = *it;
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break;
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case internal::NOT_ENOUGH_ROOM:
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out = utf8::unchecked::append (replacement, out);
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start = end;
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break;
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case internal::INVALID_LEAD:
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out = utf8::unchecked::append (replacement, out);
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++start;
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break;
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case internal::INCOMPLETE_SEQUENCE:
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case internal::OVERLONG_SEQUENCE:
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case internal::INVALID_CODE_POINT:
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out = utf8::unchecked::append (replacement, out);
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++start;
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// just one replacement mark for the sequence
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while (start != end && utf8::internal::is_trail(*start))
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++start;
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break;
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}
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}
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return out;
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}
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template <typename octet_iterator, typename output_iterator>
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inline output_iterator replace_invalid(octet_iterator start, octet_iterator end, output_iterator out)
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{
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static const uint32_t replacement_marker = utf8::internal::mask16(0xfffd);
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return utf8::unchecked::replace_invalid(start, end, out, replacement_marker);
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}
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template <typename octet_iterator>
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uint32_t next(octet_iterator& it)
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{
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@@ -65,6 +128,12 @@ namespace utf8
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return cp;
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}
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template <typename octet_iterator>
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uint32_t peek_next(octet_iterator it)
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{
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return utf8::unchecked::next(it);
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}
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template <typename octet_iterator>
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uint32_t prior(octet_iterator& it)
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{
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@@ -73,6 +142,21 @@ namespace utf8
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return utf8::unchecked::next(temp);
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}
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template <typename octet_iterator, typename distance_type>
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void advance (octet_iterator& it, distance_type n)
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{
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const distance_type zero(0);
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if (n < zero) {
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// backward
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for (distance_type i = n; i < zero; ++i)
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utf8::unchecked::prior(it);
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} else {
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// forward
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for (distance_type i = zero; i < n; ++i)
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utf8::unchecked::next(it);
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}
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}
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template <typename octet_iterator>
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typename std::iterator_traits<octet_iterator>::difference_type
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distance (octet_iterator first, octet_iterator last)
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@@ -82,6 +166,106 @@ namespace utf8
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utf8::unchecked::next(first);
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return dist;
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}
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template <typename u16bit_iterator, typename octet_iterator>
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octet_iterator utf16to8 (u16bit_iterator start, u16bit_iterator end, octet_iterator result)
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{
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while (start != end) {
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uint32_t cp = utf8::internal::mask16(*start++);
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// Take care of surrogate pairs first
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if (utf8::internal::is_lead_surrogate(cp)) {
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uint32_t trail_surrogate = utf8::internal::mask16(*start++);
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cp = (cp << 10) + trail_surrogate + internal::SURROGATE_OFFSET;
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}
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result = utf8::unchecked::append(cp, result);
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}
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return result;
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}
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template <typename u16bit_iterator, typename octet_iterator>
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u16bit_iterator utf8to16 (octet_iterator start, octet_iterator end, u16bit_iterator result)
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{
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while (start < end) {
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uint32_t cp = utf8::unchecked::next(start);
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if (cp > 0xffff) { //make a surrogate pair
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*result++ = static_cast<uint16_t>((cp >> 10) + internal::LEAD_OFFSET);
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*result++ = static_cast<uint16_t>((cp & 0x3ff) + internal::TRAIL_SURROGATE_MIN);
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}
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else
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*result++ = static_cast<uint16_t>(cp);
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}
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return result;
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}
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template <typename octet_iterator, typename u32bit_iterator>
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octet_iterator utf32to8 (u32bit_iterator start, u32bit_iterator end, octet_iterator result)
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{
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while (start != end)
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result = utf8::unchecked::append(*(start++), result);
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return result;
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}
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template <typename octet_iterator, typename u32bit_iterator>
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u32bit_iterator utf8to32 (octet_iterator start, octet_iterator end, u32bit_iterator result)
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{
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while (start < end)
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(*result++) = utf8::unchecked::next(start);
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return result;
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}
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// The iterator class
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template <typename octet_iterator>
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class iterator {
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octet_iterator it;
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public:
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typedef uint32_t value_type;
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typedef uint32_t* pointer;
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typedef uint32_t& reference;
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typedef std::ptrdiff_t difference_type;
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typedef std::bidirectional_iterator_tag iterator_category;
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iterator () {}
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explicit iterator (const octet_iterator& octet_it): it(octet_it) {}
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// the default "big three" are OK
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octet_iterator base () const { return it; }
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uint32_t operator * () const
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{
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octet_iterator temp = it;
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return utf8::unchecked::next(temp);
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}
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bool operator == (const iterator& rhs) const
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{
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return (it == rhs.it);
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}
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bool operator != (const iterator& rhs) const
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{
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return !(operator == (rhs));
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}
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iterator& operator ++ ()
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{
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::std::advance(it, utf8::internal::sequence_length(it));
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return *this;
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}
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iterator operator ++ (int)
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{
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iterator temp = *this;
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::std::advance(it, utf8::internal::sequence_length(it));
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return temp;
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}
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iterator& operator -- ()
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{
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utf8::unchecked::prior(it);
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return *this;
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}
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iterator operator -- (int)
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{
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iterator temp = *this;
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utf8::unchecked::prior(it);
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return temp;
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}
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}; // class iterator
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} // namespace utf8::unchecked
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} // namespace utf8
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