86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
#pragma once
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#include "VTUtils.hpp"
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#include <string>
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#include <filesystem>
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#if defined(LIBCMO_OS_WIN32)
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#include <Windows.h>
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#include <fileapi.h>
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// disable annoy macro at the same time
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#undef GetObject
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#undef GetClassName
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#undef LoadImage
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#undef GetTempPath
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#else
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#include <iconv.h>
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#endif
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namespace LibCmo::EncodingHelper {
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#pragma region assist functions
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#if defined(LIBCMO_OS_WIN32)
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bool GetWindowsCodePage(const char* u8_encoding_spec, UINT* result);
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bool WcharToChar(const wchar_t* src, std::string& dest, const UINT codepage);
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bool WcharToChar(const std::wstring& src, std::string& dest, const UINT codepage);
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bool CharToWchar(const char* src, std::wstring& dest, const UINT codepage);
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bool CharToWchar(const std::string& src, std::wstring& dest, const UINT codepage);
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bool CharToChar(const char* src, std::string& dest, const UINT src_codepage, const UINT dest_codepage);
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bool CharToChar(const std::string& src, std::string& dest, const UINT src_codepage, const UINT dest_codepage);
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#else
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bool CreateIconvDescriptor(const char* enc_from, const char* enc_to, iconv_t& val);
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void DestroyIconvDescriptor(iconv_t& val);
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bool DoIconv(iconv_t& cd, const std::string& str_from, std::string& str_to);
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#endif
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#pragma endregion
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#pragma region core functions
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#if defined(LIBCMO_OS_WIN32)
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// Token is the ticket for using encoding functions.
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// It should be created by "GenerateEncodingToken" and free by "DestroyEncodingToken".
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using ENCODING_TOKEN = UINT*;
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constexpr const ENCODING_TOKEN ENCODING_TOKEN_DEFAULT = nullptr;
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#else
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class IconvPair {
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public:
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IconvPair();
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IconvPair(const IconvPair&) = delete;
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IconvPair& operator=(const IconvPair&) = delete;
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~IconvPair();
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iconv_t FromUtf8;
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iconv_t ToUtf8;
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};
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using ENCODING_TOKEN = IconvPair*;
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constexpr const ENCODING_TOKEN ENCODING_TOKEN_DEFAULT = nullptr;
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#endif
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ENCODING_TOKEN CreateEncodingToken(const std::string& token_string);
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void DestroyEncodingToken(const ENCODING_TOKEN& token);
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bool GetUtf8VirtoolsName(const std::string& native_name, std::string& u8_name, const ENCODING_TOKEN& token);
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bool GetNativeVirtoolsName(const std::string& u8_name, std::string& native_name, const ENCODING_TOKEN& token);
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void U8PathToStdPath(std::filesystem::path& stdpath, const char* u8_path);
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void StdPathToU8Path(std::string& u8path, std::filesystem::path& stdpath);
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FILE* U8FOpen(const char* u8_filepath, const char* u8_mode);
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#pragma endregion
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}
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