YYCCommonplace/src/YYCCLegacy/WinFctHelper.hpp

107 lines
4.4 KiB
C++

#pragma once
#include "YYCCInternal.hpp"
#if YYCC_OS == YYCC_OS_WINDOWS
#include <string>
#include "WinImportPrefix.hpp"
#include <Windows.h>
#include "WinImportSuffix.hpp"
/**
* @brief The helper providing assistance of Win32 functions.
* @details
* This helper is Windows specific.
* If current environment is not Windows, the whole namespace will be unavailable.
* See also \ref win_fct_helper
*/
namespace YYCC::WinFctHelper {
/**
* @brief Get Windows used HANDLE for current module.
* @details
* If your target is EXE, the current module simply is your program self.
* However, if your target is DLL, the current module is your DLL, not the EXE loading your DLL.
*
* This function is frequently used by DLL.
* Because some design need the HANDLE of current module, not the host EXE loading your DLL.
* For example, you may want to get the path of your built DLL, or fetch resources from your DLL at runtime,
* then you should pass current module HANDLE, not NULL or the HANDLE of EXE.
* @return A Windows HANDLE pointing to current module, NULL if failed.
*/
HMODULE GetCurrentModule();
/**
* @brief Get path to Windows temporary folder.
* @details Windows temporary folder usually is the target of \%TEMP\%.
* @param[out] ret The variable receiving UTF8 encoded path to Windows temp folder.
* @return True if success, otherwise false.
*/
bool GetTempDirectory(yycc_u8string& ret);
/**
* @brief Get the file name of given module HANDLE
* @param[in] hModule
* The HANDLE to the module where you want to get file name.
* It is same as the HANDLE parameter of Win32 \c GetModuleFileName.
* @param[out] ret The variable receiving UTF8 encoded file name of given module.
* @return True if success, otherwise false.
*/
bool GetModuleFileName(HINSTANCE hModule, yycc_u8string& ret);
/**
* @brief Get the path to \%LOCALAPPDATA\%.
* @details \%LOCALAPPDATA\% usually was used as putting local app data files
* @param[out] ret The variable receiving UTF8 encoded path to LOCALAPPDATA.
* @return True if success, otherwise false.
*/
bool GetLocalAppData(yycc_u8string& ret);
/**
* @brief Check whether given code page number is a valid one.
* @param[in] code_page The code page number.
* @return True if it is valid, otherwise false.
*/
bool IsValidCodePage(UINT code_page);
/**
* @brief Copies an existing file to a new file.
* @param lpExistingFileName The name of an existing file.
* @param lpNewFileName The name of the new file.
* @param bFailIfExists
* If this parameter is TRUE and the new file specified by \c lpNewFileName already exists, the function fails.
* If this parameter is FALSE and the new file already exists, the function overwrites the existing file and succeeds.
* @return
* If the function succeeds, the return value is nonzero.
* If the function fails, the return value is zero. To get extended error information, call \c GetLastError.
* @remarks Same as Windows \c CopyFile: https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-copyfilew
*/
BOOL CopyFile(const yycc_u8string_view& lpExistingFileName, const yycc_u8string_view& lpNewFileName, BOOL bFailIfExists);
/**
* @brief Moves an existing file or a directory, including its children.
* @param lpExistingFileName The current name of the file or directory on the local computer.
* @param lpNewFileName
* The new name for the file or directory. The new name must not already exist.
* A new file may be on a different file system or drive. A new directory must be on the same drive.
* @return
* If the function succeeds, the return value is nonzero.
* If the function fails, the return value is zero. To get extended error information, call \c GetLastError.
* @remarks Same as Windows \c MoveFile: https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-movefilew
*/
BOOL MoveFile(const yycc_u8string_view& lpExistingFileName, const yycc_u8string_view& lpNewFileName);
/**
* @brief Deletes an existing file.
* @param lpFileName The name of the file to be deleted.
* @return
* If the function succeeds, the return value is nonzero.
* If the function fails, the return value is zero. To get extended error information, call \c GetLastError.
* @remarks Same as Windows \c DeleteFile: https://learn.microsoft.com/e-us/windows/win32/api/winbase/nf-winbase-deletefile
*/
BOOL DeleteFile(const yycc_u8string_view& lpFileName);
}
#endif