mirror of
https://github.com/HIllya51/LunaTranslator.git
synced 2024-12-28 08:04:13 +08:00
292 lines
7.9 KiB
C++
292 lines
7.9 KiB
C++
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LPCSTR reverse_search_begin(const char *s, int maxsize)
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{
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if (*s)
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for (int i = 0; i < maxsize; i++, s--)
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if (!*s)
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return s + 1;
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return nullptr;
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}
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template <class CharT>
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inline bool all_ascii_impl(const CharT *s, int maxsize)
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{
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if (s)
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for (int i = 0; i < maxsize && *s; i++, s++)
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if ((unsigned)*s > 127)
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return false;
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return true;
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}
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template <class StringT>
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inline void strReplace_impl(StringT &str, const StringT &oldStr, const StringT &newStr)
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{
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size_t pos = 0;
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while ((pos = str.find(oldStr, pos)) != StringT::npos)
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{
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str.replace(pos, oldStr.length(), newStr);
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pos += newStr.length();
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}
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}
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template <class StringT>
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inline std::vector<StringT> strSplit_impl(const StringT &s, const StringT &delim)
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{
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StringT item;
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std::vector<StringT> tokens;
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StringT str = s;
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size_t pos = 0;
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while ((pos = str.find(delim)) != StringT::npos)
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{
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item = str.substr(0, pos);
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tokens.push_back(item);
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str.erase(0, pos + delim.length());
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}
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tokens.push_back(str);
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return tokens;
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}
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template <class StringT>
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inline bool endWith_impl(const StringT &s, const StringT &s2)
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{
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if ((s.size() >= s2.size()) && (s.substr(s.size() - s2.size(), s2.size()) == s2))
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{
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return true;
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}
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return false;
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}
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template <class StringT>
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inline bool startWith_impl(const StringT &s, const StringT &s2)
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{
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if ((s.size() >= s2.size()) && (s.substr(0, s2.size()) == s2))
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{
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return true;
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}
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return false;
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}
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bool all_ascii(const char *s, int maxsize) { return all_ascii_impl<char>(s, maxsize); }
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bool all_ascii(const wchar_t *s, int maxsize) { return all_ascii_impl<wchar_t>(s, maxsize); }
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void strReplace(std::string &str, const std::string &oldStr, const std::string &newStr) { strReplace_impl<std::string>(str, oldStr, newStr); }
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void strReplace(std::wstring &str, const std::wstring &oldStr, const std::wstring &newStr) { strReplace_impl<std::wstring>(str, oldStr, newStr); }
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std::vector<std::string> strSplit(const std::string &s, const std::string &delim) { return strSplit_impl<std::string>(s, delim); }
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std::vector<std::wstring> strSplit(const std::wstring &s, const std::wstring &delim) { return strSplit_impl<std::wstring>(s, delim); }
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bool startWith(const std::string_view &s, const std::string_view &s2) { return startWith_impl<std::string_view>(s, s2); }
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bool startWith(const std::wstring_view &s, const std::wstring_view &s2) { return startWith_impl<std::wstring_view>(s, s2); }
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bool endWith(const std::string_view &s, const std::string_view &s2) { return endWith_impl<std::string_view>(s, s2); }
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bool endWith(const std::wstring_view &s, const std::wstring_view &s2) { return endWith_impl<std::wstring_view>(s, s2); }
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typedef HRESULT(WINAPI *CONVERTINETMULTIBYTETOUNICODE)(
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LPDWORD lpdwMode,
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DWORD dwSrcEncoding,
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LPCSTR lpSrcStr,
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LPINT lpnMultiCharCount,
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LPWSTR lpDstStr,
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LPINT lpnWideCharCount);
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typedef HRESULT(WINAPI *CONVERTINETUNICODETOMULTIBYTE)(
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LPDWORD lpdwMode,
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DWORD dwEncoding,
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LPCWSTR lpSrcStr,
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LPINT lpnWideCharCount,
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LPSTR lpDstStr,
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LPINT lpnMultiCharCount);
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std::optional<std::wstring> StringToWideString(const std::string &text, UINT encoding)
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{
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std::vector<wchar_t> buffer(text.size() + 1);
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if (disable_mbwc)
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{
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int _s = text.size();
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int _s2 = buffer.size();
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auto h = LoadLibrary(TEXT("mlang.dll"));
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if (h == 0)
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return {};
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auto ConvertINetMultiByteToUnicode = (CONVERTINETMULTIBYTETOUNICODE)GetProcAddress(h, "ConvertINetMultiByteToUnicode");
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if (ConvertINetMultiByteToUnicode == 0)
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return {};
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auto hr = ConvertINetMultiByteToUnicode(0, encoding, text.c_str(), &_s, buffer.data(), &_s2);
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if (SUCCEEDED(hr))
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{
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return std::wstring(buffer.data(), _s2);
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}
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else
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return {};
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}
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else
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{
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if (int length = MultiByteToWideChar(encoding, 0, text.c_str(), text.size() + 1, buffer.data(), buffer.size()))
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return std::wstring(buffer.data(), length - 1);
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return {};
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}
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}
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std::wstring StringToWideString(const std::string &text)
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{
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return StringToWideString(text, CP_UTF8).value();
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}
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std::string WideStringToString(const std::wstring &text, UINT cp)
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{
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std::vector<char> buffer((text.size() + 1) * 4);
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if (disable_wcmb)
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{
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int _s = text.size();
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int _s2 = buffer.size();
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auto h = LoadLibrary(TEXT("mlang.dll"));
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if (h == 0)
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return {};
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auto ConvertINetUnicodeToMultiByte = (CONVERTINETUNICODETOMULTIBYTE)GetProcAddress(h, "ConvertINetUnicodeToMultiByte");
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if (ConvertINetUnicodeToMultiByte == 0)
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return {};
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auto hr = ConvertINetUnicodeToMultiByte(0, cp, text.c_str(), &_s, buffer.data(), &_s2);
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if (SUCCEEDED(hr))
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{
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return std::string(buffer.data(), _s2);
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}
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else
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return {};
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}
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else
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{
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WideCharToMultiByte(cp, 0, text.c_str(), -1, buffer.data(), buffer.size(), nullptr, nullptr);
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return buffer.data();
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}
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}
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inline unsigned int convertUTF32ToUTF16(unsigned int cUTF32, unsigned int &h, unsigned int &l)
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{
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if (cUTF32 < 0x10000)
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{
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h = 0;
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l = cUTF32;
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return cUTF32;
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}
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unsigned int t = cUTF32 - 0x10000;
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h = (((t << 12) >> 22) + 0xD800);
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l = (((t << 22) >> 22) + 0xDC00);
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unsigned int ret = ((h << 16) | (l & 0x0000FFFF));
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return ret;
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}
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std::basic_string<uint32_t> utf16_to_utf32(const wchar_t *u16str, size_t size)
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{
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std::basic_string<uint32_t> utf32String;
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for (size_t i = 0; i < size; i++)
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{
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auto u16c = u16str[i];
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if (u16c - 0xd800u < 2048u)
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if ((u16c & 0xfffffc00 == 0xd800) && (i < size - 1) && (u16str[i + 1] & 0xfffffc00 == 0xdc00))
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{
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utf32String += (u16c << 10) + u16str[i + 1] - 0x35fdc00;
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i += 1;
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}
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else
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{
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// error invalid u16 char
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}
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else
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utf32String += u16str[i];
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}
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return utf32String;
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}
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std::wstring utf32_to_utf16(std::basic_string_view<uint32_t> sv)
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{
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std::wstring u16str;
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for (auto i = 0; i < sv.size(); i++)
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{
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unsigned h, l;
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convertUTF32ToUTF16(sv[i], h, l);
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if (h)
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u16str.push_back((wchar_t)h);
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u16str.push_back((wchar_t)l);
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}
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return u16str;
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}
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uint32_t *u32strcpy(uint32_t *s, const uint32_t *r)
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{
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while (*r)
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{
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*s = *r;
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s += 1;
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r += 1;
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}
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*s = 0;
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return s;
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}
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// 检查一个字节是否是有效的 UTF-8 后续字节
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int is_valid_following_byte(unsigned char byte)
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{
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return (byte & 0xC0) == 0x80; // 10xxxxxx
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}
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int utf8charlen(char *str)
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{
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if ((!str) || (!*str))
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return 0;
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unsigned char first_byte = (unsigned char)*str;
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if ((first_byte & 0x80) == 0)
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{
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// 0xxxxxxx - 1 byte character
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return 1;
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}
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else if ((first_byte & 0xE0) == 0xC0)
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{
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// 110xxxxx - 2 byte character
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if (is_valid_following_byte((unsigned char)str[1]))
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{
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return 2;
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}
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}
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else if ((first_byte & 0xF0) == 0xE0)
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{
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// 1110xxxx - 3 byte character
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if (is_valid_following_byte((unsigned char)str[1]) &&
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is_valid_following_byte((unsigned char)str[2]))
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{
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return 3;
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}
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}
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else if ((first_byte & 0xF8) == 0xF0)
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{
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// 11110xxx - 4 byte character
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if (is_valid_following_byte((unsigned char)str[1]) &&
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is_valid_following_byte((unsigned char)str[2]) &&
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is_valid_following_byte((unsigned char)str[3]))
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{
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return 4;
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}
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}
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return 0; // 不是有效的UTF-8序列
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}
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std::string wcasta(const std::wstring &x)
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{
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std::string xx;
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for (auto c : x)
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xx += c;
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return xx;
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}
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std::wstring acastw(const std::string &x)
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{
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std::wstring xx;
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for (auto c : x)
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xx += c;
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return xx;
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}
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std::optional<std::wstring> commonparsestring(void *data, size_t length, void *php, DWORD df)
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{
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auto hp = (HookParam *)php;
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if (hp->type & CODEC_UTF16)
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return std::wstring((wchar_t *)data, length / sizeof(wchar_t));
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else if (hp->type & CODEC_UTF32)
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return (std::move(utf32_to_utf16(std::basic_string_view<uint32_t>((uint32_t *)data, length / sizeof(uint32_t)))));
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else if (auto converted = StringToWideString(std::string((char *)data, length), (hp->type & CODEC_UTF8) ? CP_UTF8 : (hp->codepage ? hp->codepage : df)))
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return (converted.value());
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else
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return {};
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} |