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@tekezo
tekezo committed Dec 10, 2023
1 parent 544feb3 commit 3a68b96
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Showing 16 changed files with 850 additions and 310 deletions.
12 changes: 12 additions & 0 deletions example/vendor/cget/pkg/nemtrif__utfcpp/install/include/utf8cpp/utf8.h
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Expand Up @@ -28,6 +28,18 @@ DEALINGS IN THE SOFTWARE.
#ifndef UTF8_FOR_CPP_2675DCD0_9480_4c0c_B92A_CC14C027B731
#define UTF8_FOR_CPP_2675DCD0_9480_4c0c_B92A_CC14C027B731

/*
To control the C++ language version used by the library, you can define UTF_CPP_CPLUSPLUS macro
and set it to one of the values used by the __cplusplus predefined macro.
For instance,
#define UTF_CPP_CPLUSPLUS 199711L
will cause the UTF-8 CPP library to use only types and language features available in the C++ 98 standard.
Some library features will be disabled.
If you leave UTF_CPP_CPLUSPLUS undefined, it will be internally assigned to __cplusplus.
*/

#include "utf8/checked.h"
#include "utf8/unchecked.h"

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104 changes: 72 additions & 32 deletions example/vendor/cget/pkg/nemtrif__utfcpp/install/include/utf8cpp/utf8/checked.h
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Original file line number Diff line number Diff line change
Expand Up @@ -39,28 +39,28 @@ namespace utf8

// Exceptions that may be thrown from the library functions.
class invalid_code_point : public exception {
uint32_t cp;
utfchar32_t cp;
public:
invalid_code_point(uint32_t codepoint) : cp(codepoint) {}
invalid_code_point(utfchar32_t codepoint) : cp(codepoint) {}
virtual const char* what() const UTF_CPP_NOEXCEPT UTF_CPP_OVERRIDE { return "Invalid code point"; }
uint32_t code_point() const {return cp;}
utfchar32_t code_point() const {return cp;}
};

class invalid_utf8 : public exception {
uint8_t u8;
utfchar8_t u8;
public:
invalid_utf8 (uint8_t u) : u8(u) {}
invalid_utf8 (char c) : u8(static_cast<uint8_t>(c)) {}
invalid_utf8 (utfchar8_t u) : u8(u) {}
invalid_utf8 (char c) : u8(static_cast<utfchar8_t>(c)) {}
virtual const char* what() const UTF_CPP_NOEXCEPT UTF_CPP_OVERRIDE { return "Invalid UTF-8"; }
uint8_t utf8_octet() const {return u8;}
utfchar8_t utf8_octet() const {return u8;}
};

class invalid_utf16 : public exception {
uint16_t u16;
utfchar16_t u16;
public:
invalid_utf16 (uint16_t u) : u16(u) {}
invalid_utf16 (utfchar16_t u) : u16(u) {}
virtual const char* what() const UTF_CPP_NOEXCEPT UTF_CPP_OVERRIDE { return "Invalid UTF-16"; }
uint16_t utf16_word() const {return u16;}
utfchar16_t utf16_word() const {return u16;}
};

class not_enough_room : public exception {
Expand All @@ -71,16 +71,30 @@ namespace utf8
/// The library API - functions intended to be called by the users

template <typename octet_iterator>
octet_iterator append(uint32_t cp, octet_iterator result)
octet_iterator append(utfchar32_t cp, octet_iterator result)
{
if (!utf8::internal::is_code_point_valid(cp))
throw invalid_code_point(cp);

return internal::append(cp, result);
}

inline void append(utfchar32_t cp, std::string& s)
{
append(cp, std::back_inserter(s));
}

template <typename word_iterator>
word_iterator append16(utfchar32_t cp, word_iterator result)
{
if (!utf8::internal::is_code_point_valid(cp))
throw invalid_code_point(cp);

return internal::append16(cp, result);
}

template <typename octet_iterator, typename output_iterator>
output_iterator replace_invalid(octet_iterator start, octet_iterator end, output_iterator out, uint32_t replacement)
output_iterator replace_invalid(octet_iterator start, octet_iterator end, output_iterator out, utfchar32_t replacement)
{
while (start != end) {
octet_iterator sequence_start = start;
Expand Down Expand Up @@ -115,14 +129,28 @@ namespace utf8
template <typename octet_iterator, typename output_iterator>
inline output_iterator replace_invalid(octet_iterator start, octet_iterator end, output_iterator out)
{
static const uint32_t replacement_marker = utf8::internal::mask16(0xfffd);
static const utfchar32_t replacement_marker = utf8::internal::mask16(0xfffd);
return utf8::replace_invalid(start, end, out, replacement_marker);
}

inline std::string replace_invalid(const std::string& s, utfchar32_t replacement)
{
std::string result;
replace_invalid(s.begin(), s.end(), std::back_inserter(result), replacement);
return result;
}

inline std::string replace_invalid(const std::string& s)
{
std::string result;
replace_invalid(s.begin(), s.end(), std::back_inserter(result));
return result;
}

template <typename octet_iterator>
uint32_t next(octet_iterator& it, octet_iterator end)
utfchar32_t next(octet_iterator& it, octet_iterator end)
{
uint32_t cp = 0;
utfchar32_t cp = 0;
internal::utf_error err_code = utf8::internal::validate_next(it, end, cp);
switch (err_code) {
case internal::UTF8_OK :
Expand All @@ -132,21 +160,31 @@ namespace utf8
case internal::INVALID_LEAD :
case internal::INCOMPLETE_SEQUENCE :
case internal::OVERLONG_SEQUENCE :
throw invalid_utf8(static_cast<uint8_t>(*it));
throw invalid_utf8(static_cast<utfchar8_t>(*it));
case internal::INVALID_CODE_POINT :
throw invalid_code_point(cp);
}
return cp;
}

template <typename word_iterator>
utfchar32_t next16(word_iterator& it, word_iterator end)
{
utfchar32_t cp = 0;
internal::utf_error err_code = utf8::internal::validate_next16(it, end, cp);
if (err_code == internal::NOT_ENOUGH_ROOM)
throw not_enough_room();
return cp;
}

template <typename octet_iterator>
uint32_t peek_next(octet_iterator it, octet_iterator end)
utfchar32_t peek_next(octet_iterator it, octet_iterator end)
{
return utf8::next(it, end);
}

template <typename octet_iterator>
uint32_t prior(octet_iterator& it, octet_iterator start)
utfchar32_t prior(octet_iterator& it, octet_iterator start)
{
// can't do much if it == start
if (it == start)
Expand Down Expand Up @@ -189,23 +227,23 @@ namespace utf8
octet_iterator utf16to8 (u16bit_iterator start, u16bit_iterator end, octet_iterator result)
{
while (start != end) {
uint32_t cp = utf8::internal::mask16(*start++);
utfchar32_t cp = utf8::internal::mask16(*start++);
// Take care of surrogate pairs first
if (utf8::internal::is_lead_surrogate(cp)) {
if (start != end) {
uint32_t trail_surrogate = utf8::internal::mask16(*start++);
const utfchar32_t trail_surrogate = utf8::internal::mask16(*start++);
if (utf8::internal::is_trail_surrogate(trail_surrogate))
cp = (cp << 10) + trail_surrogate + internal::SURROGATE_OFFSET;
else
throw invalid_utf16(static_cast<uint16_t>(trail_surrogate));
throw invalid_utf16(static_cast<utfchar16_t>(trail_surrogate));
}
else
throw invalid_utf16(static_cast<uint16_t>(cp));
throw invalid_utf16(static_cast<utfchar16_t>(cp));

}
// Lone trail surrogate
else if (utf8::internal::is_trail_surrogate(cp))
throw invalid_utf16(static_cast<uint16_t>(cp));
throw invalid_utf16(static_cast<utfchar16_t>(cp));

result = utf8::append(cp, result);
}
Expand All @@ -216,13 +254,13 @@ namespace utf8
u16bit_iterator utf8to16 (octet_iterator start, octet_iterator end, u16bit_iterator result)
{
while (start < end) {
uint32_t cp = utf8::next(start, end);
const utfchar32_t cp = utf8::next(start, end);
if (cp > 0xffff) { //make a surrogate pair
*result++ = static_cast<uint16_t>((cp >> 10) + internal::LEAD_OFFSET);
*result++ = static_cast<uint16_t>((cp & 0x3ff) + internal::TRAIL_SURROGATE_MIN);
*result++ = static_cast<utfchar16_t>((cp >> 10) + internal::LEAD_OFFSET);
*result++ = static_cast<utfchar16_t>((cp & 0x3ff) + internal::TRAIL_SURROGATE_MIN);
}
else
*result++ = static_cast<uint16_t>(cp);
*result++ = static_cast<utfchar16_t>(cp);
}
return result;
}
Expand Down Expand Up @@ -252,9 +290,9 @@ namespace utf8
octet_iterator range_start;
octet_iterator range_end;
public:
typedef uint32_t value_type;
typedef uint32_t* pointer;
typedef uint32_t& reference;
typedef utfchar32_t value_type;
typedef utfchar32_t* pointer;
typedef utfchar32_t& reference;
typedef std::ptrdiff_t difference_type;
typedef std::bidirectional_iterator_tag iterator_category;
iterator () {}
Expand All @@ -268,7 +306,7 @@ namespace utf8
}
// the default "big three" are OK
octet_iterator base () const { return it; }
uint32_t operator * () const
utfchar32_t operator * () const
{
octet_iterator temp = it;
return utf8::next(temp, range_end);
Expand Down Expand Up @@ -309,7 +347,9 @@ namespace utf8

} // namespace utf8

#if UTF_CPP_CPLUSPLUS >= 201703L // C++ 17 or later
#if UTF_CPP_CPLUSPLUS >= 202002L // C++ 20 or later
#include "cpp20.h"
#elif UTF_CPP_CPLUSPLUS >= 201703L // C++ 17 or later
#include "cpp17.h"
#elif UTF_CPP_CPLUSPLUS >= 201103L // C++ 11 or later
#include "cpp11.h"
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