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refactor: refactor encoding helper again.

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- add the convertion between yycc_char8_t and system char type because we decide use our char8_t in the whole library.
- make a clear boundary between yycc char8_t declarations and related assist functions. the declarations present in internal header and assist functions are written in encoding helper.
- use std::basic_string_view instead of std::basic_string to provide more abilities to encoding convertion functions and reduce the redundant memory occupation at the same time.
This commit is contained in:
yyc12345
2024-06-27 20:49:02 +08:00
parent c15b57d055
commit 61ad1ff3ce
3 changed files with 106 additions and 55 deletions
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48
src/EncodingHelper.hpp
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@ -50,55 +50,67 @@
*/
namespace YYCC::EncodingHelper {
#define YYCC_U8(strl) (reinterpret_cast<const yycc_char8_t*>(u8 ## strl))
const yycc_char8_t* ToUTF8(const char* src);
yycc_char8_t* ToUTF8(char* src);
yycc_u8string ToUTF8(const std::string_view& src);
yycc_u8string_view ToUTF8View(const std::string_view& src);
const char* ToNative(const yycc_char8_t* src);
char* ToNative(yycc_char8_t* src);
std::string ToNative(const yycc_u8string_view& src);
std::string_view ToNativeView(const yycc_u8string_view& src);
#if YYCC_OS == YYCC_OS_WINDOWS
bool WcharToChar(const std::wstring& src, std::string& dst, UINT code_page);
bool WcharToChar(const std::wstring_view& src, std::string& dst, UINT code_page);
bool WcharToChar(const wchar_t* src, std::string& dst, UINT code_page);
std::string WcharToChar(const std::wstring& src, UINT code_page);
std::string WcharToChar(const std::wstring_view& src, UINT code_page);
std::string WcharToChar(const wchar_t* src, UINT code_page);
bool CharToWchar(const std::string& src, std::wstring& dst, UINT code_page);
bool CharToWchar(const std::string_view& src, std::wstring& dst, UINT code_page);
bool CharToWchar(const char* src, std::wstring& dst, UINT code_page);
std::wstring CharToWchar(const std::string& src, UINT code_page);
std::wstring CharToWchar(const std::string_view& src, UINT code_page);
std::wstring CharToWchar(const char* src, UINT code_page);
bool CharToChar(const std::string& src, std::string& dst, UINT src_code_page, UINT dst_code_page);
bool CharToChar(const std::string_view& src, std::string& dst, UINT src_code_page, UINT dst_code_page);
bool CharToChar(const char* src, std::string& dst, UINT src_code_page, UINT dst_code_page);
std::string CharToChar(const std::string& src, UINT src_code_page, UINT dst_code_page);
std::string CharToChar(const std::string_view& src, UINT src_code_page, UINT dst_code_page);
std::string CharToChar(const char* src, UINT src_code_page, UINT dst_code_page);
bool WcharToUTF8(const std::wstring& src, yycc_u8string& dst);
bool WcharToUTF8(const std::wstring_view& src, yycc_u8string& dst);
bool WcharToUTF8(const wchar_t* src, yycc_u8string& dst);
yycc_u8string WcharToUTF8(const std::wstring& src);
yycc_u8string WcharToUTF8(const std::wstring_view& src);
yycc_u8string WcharToUTF8(const wchar_t* src);
bool UTF8ToWchar(const yycc_u8string& src, std::wstring& dst);
bool UTF8ToWchar(const yycc_u8string_view& src, std::wstring& dst);
bool UTF8ToWchar(const yycc_char8_t* src, std::wstring& dst);
std::wstring UTF8ToWchar(const yycc_u8string& src);
std::wstring UTF8ToWchar(const yycc_u8string_view& src);
std::wstring UTF8ToWchar(const yycc_char8_t* src);
#endif
bool UTF8ToUTF16(const yycc_u8string& src, std::u16string& dst);
bool UTF8ToUTF16(const yycc_u8string_view& src, std::u16string& dst);
bool UTF8ToUTF16(const yycc_char8_t* src, std::u16string& dst);
std::u16string UTF8ToUTF16(const yycc_u8string& src);
std::u16string UTF8ToUTF16(const yycc_u8string_view& src);
std::u16string UTF8ToUTF16(const yycc_char8_t* src);
bool UTF16ToUTF8(const std::u16string& src, yycc_u8string& dst);
bool UTF16ToUTF8(const std::u16string_view& src, yycc_u8string& dst);
bool UTF16ToUTF8(const char16_t* src, yycc_u8string& dst);
yycc_u8string UTF16ToUTF8(const std::u16string& src);
yycc_u8string UTF16ToUTF8(const std::u16string_view& src);
yycc_u8string UTF16ToUTF8(const char16_t* src);
bool UTF8ToUTF32(const yycc_u8string& src, std::u32string& dst);
bool UTF8ToUTF32(const yycc_u8string_view& src, std::u32string& dst);
bool UTF8ToUTF32(const yycc_char8_t* src, std::u32string& dst);
std::u32string UTF8ToUTF32(const yycc_u8string& src);
std::u32string UTF8ToUTF32(const yycc_u8string_view& src);
std::u32string UTF8ToUTF32(const yycc_char8_t* src);
bool UTF32ToUTF8(const std::u32string& src, yycc_u8string& dst);
bool UTF32ToUTF8(const std::u32string_view& src, yycc_u8string& dst);
bool UTF32ToUTF8(const char32_t* src, yycc_u8string& dst);
yycc_u8string UTF32ToUTF8(const std::u32string& src);
yycc_u8string UTF32ToUTF8(const std::u32string_view& src);
yycc_u8string UTF32ToUTF8(const char32_t* src);
}