230 lines
6.2 KiB
C++
230 lines
6.2 KiB
C++
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 23.03.2017
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*
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* UTF8 versions of WIN32 calls.
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*
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*/
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// TOP
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#if !defined(FRED_WIN32_UTF8_CPP)
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#define FRED_WIN32_UTF8_CPP
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internal Win32_UTF16
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input_8_to_16(Partition *scratch, u8 *in){
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Win32_UTF16 r = {};
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u32 utf8_len = 0;
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for (;in[utf8_len];++utf8_len);
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u32 utf16_max = (utf8_len + 1)*2;
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u16 *utf16 = push_array(scratch, u16, utf16_max);
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b32 error = false;
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u32 utf16_len = (u32)utf8_to_utf16_minimal_checking(utf16, utf16_max - 1, in, utf8_len, &error);
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if (!error && utf16_len < utf16_max){
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utf16[utf16_len] = 0;
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r.success = true;
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r.utf8_len = utf8_len;
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r.utf16_max = utf16_max;
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r.utf16_len = utf16_len;
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r.utf16 = utf16;
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}
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return(r);
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}
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internal HANDLE
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CreateFile_utf8(Partition *scratch, u8 *name, DWORD access, DWORD share, LPSECURITY_ATTRIBUTES security, DWORD creation, DWORD flags, HANDLE template_file){
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HANDLE result = INVALID_HANDLE_VALUE;
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Temp_Memory temp = begin_temp_memory(scratch);
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Win32_UTF16 name_16 = input_8_to_16(scratch, name);
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if (name_16.success){
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result = CreateFileW((LPWSTR)name_16.utf16, access, share, security, creation, flags, template_file);
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}
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end_temp_memory(temp);
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return(result);
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}
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internal DWORD
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GetFinalPathNameByHandle_utf8(Partition *scratch, HANDLE file, u8 *file_path_out, DWORD path_max, DWORD flags){
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DWORD result = 0;
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if (file_path_out == 0){
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result = GetFinalPathNameByHandleW(file, 0, 0, flags);
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result *= 2;
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}
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else{
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Temp_Memory temp = begin_temp_memory(scratch);
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u32 path_16_max = KB(32);
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u16 *path_16 = push_array(scratch, u16, path_16_max);
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DWORD length_16 = GetFinalPathNameByHandleW(file, (LPWSTR)path_16, path_16_max, flags);
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if (length_16 != 0 && length_16 < path_16_max){
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b32 convert_error = false;
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u32 path_8_len = (u32)utf16_to_utf8_minimal_checking(file_path_out, path_max-1, path_16, length_16, &convert_error);
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if (path_8_len < path_max && !convert_error){
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file_path_out[path_8_len] = 0;
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result = path_8_len;
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}
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}
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end_temp_memory(temp);
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}
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return(result);
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}
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internal HANDLE
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FindFirstFile_utf8(Partition *scratch, u8 *name, LPWIN32_FIND_DATA find_data){
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HANDLE result = INVALID_HANDLE_VALUE;
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Temp_Memory temp = begin_temp_memory(scratch);
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Win32_UTF16 name_16 = input_8_to_16(scratch, name);
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if (name_16.success){
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result = FindFirstFileW((LPWSTR)name_16.utf16, find_data);
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}
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end_temp_memory(temp);
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return(result);
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}
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internal DWORD
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GetFileAttributes_utf8(Partition *scratch, u8 *name){
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DWORD result = 0;
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Temp_Memory temp = begin_temp_memory(scratch);
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Win32_UTF16 name_16 = input_8_to_16(scratch, name);
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if (name_16.success){
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result = GetFileAttributesW((LPWSTR)name_16.utf16);
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}
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end_temp_memory(temp);
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return(result);
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}
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internal DWORD
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GetModuleFileName_utf8(Partition *scratch, HMODULE module, u8 *file_out, DWORD max){
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DWORD result = 0;
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Temp_Memory temp = begin_temp_memory(scratch);
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u32 file_16_max = KB(40);
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u16 *file_16 = push_array(scratch, u16, file_16_max);
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DWORD file_16_len = GetModuleFileNameW(module, (LPWSTR)file_16, file_16_max);
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if (max > 0){
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b32 convert_error = false;
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u32 file_8_len = (u32)utf16_to_utf8_minimal_checking(file_out, max - 1, file_16, file_16_len, &convert_error);
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result = file_8_len;
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if (convert_error || file_8_len >= max){
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result = 0;
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}
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}
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end_temp_memory(temp);
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return(result);
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}
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internal BOOL
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CreateProcess_utf8(Partition *scratch, u8 *app_name, u8 *command, LPSECURITY_ATTRIBUTES security, LPSECURITY_ATTRIBUTES thread, BOOL inherit_handles, DWORD creation, LPVOID environment, u8 *curdir, LPSTARTUPINFO startup, LPPROCESS_INFORMATION process){
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BOOL result = false;
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Temp_Memory temp = begin_temp_memory(scratch);
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Win32_UTF16 app_name_16 = input_8_to_16(scratch, app_name);
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if (app_name_16.success){
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Win32_UTF16 command_16 = input_8_to_16(scratch, command);
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if (command_16.success){
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Win32_UTF16 curdir_16 = input_8_to_16(scratch, curdir);
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if (curdir_16.success){
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result = CreateProcessW((LPWSTR)app_name_16.utf16, (LPWSTR)command_16.utf16, security, thread, inherit_handles, creation, environment, (LPWSTR)curdir_16.utf16, startup, process);
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}
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}
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}
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end_temp_memory(temp);
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return(result);
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}
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internal DWORD
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GetCurrentDirectory_utf8(Partition *scratch, DWORD max, u8 *buffer){
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DWORD result = 0;
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Temp_Memory temp = begin_temp_memory(scratch);
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u32 buffer_16_max = KB(40);
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u16 *buffer_16 = push_array(scratch, u16, buffer_16_max);
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DWORD buffer_16_len = GetCurrentDirectoryW(buffer_16_max, (LPWSTR)buffer_16);
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b32 error = false;
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u32 buffer_8_len = (u32)utf16_to_utf8_minimal_checking(buffer, max-1, buffer_16, buffer_16_len, &error);
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if (buffer_8_len < max && !error){
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buffer[buffer_8_len] = 0;
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result = buffer_8_len;
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}
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end_temp_memory(temp);
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return(result);
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}
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internal int
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MessageBox_utf8(Partition *scratch, HWND owner, u8 *text, u8 *caption, UINT type){
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int result = 0;
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Temp_Memory temp = begin_temp_memory(scratch);
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Win32_UTF16 text_16 = input_8_to_16(scratch, text);
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if (text_16.success){
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Win32_UTF16 caption_16 = input_8_to_16(scratch, caption);
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if (caption_16.success){
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result = MessageBoxW(owner, (LPWSTR)text_16.utf16, (LPWSTR)caption_16.utf16, type);
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}
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}
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end_temp_memory(temp);
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return(result);
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}
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internal BOOL
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SetWindowText_utf8(Partition *scratch, HWND window, u8 *string){
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BOOL result = FALSE;
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Temp_Memory temp = begin_temp_memory(scratch);
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Win32_UTF16 string_16 = input_8_to_16(scratch, string);
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if (string_16.success){
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result = SetWindowTextW(window, (LPWSTR)string_16.utf16);
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}
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end_temp_memory(temp);
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return(result);
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}
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#endif
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// BOTTOM
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