Method LoadFile

src/TortoiseUDiff/MainWindow.cpp:804–845

}

bool CMainWindow::LoadFile(HANDLE hFile, bool wantStdIn)
{
	InitEditor();
	char data[4096] = { 0 };
	DWORD dwRead = 0;

	BOOL bRet = ReadFile(hFile, data, sizeof(data), &dwRead, nullptr);
	bool bUTF8 = IsUTF8(data, dwRead);
	while ((dwRead > 0) && (bRet))
	{
		SendEditor(SCI_ADDTEXT, dwRead,
			reinterpret_cast<LPARAM>(static_cast<char *>(data)));
		if (auto sciStatus = static_cast<int>(SendEditor(SCI_GETSTATUS)); sciStatus > SC_STATUS_OK && sciStatus < SC_STATUS_WARN_START)
		{
			if (sciStatus == SC_STATUS_BADALLOC)
					SetLastError(static_cast<DWORD>(E_OUTOFMEMORY));
			else
					SetLastError(static_cast<DWORD>(E_FAIL));
			MessageBox(*this, static_cast<LPCWSTR>(CFormatMessageWrapper()), L"TortoiseGitUDiff", MB_ICONEXCLAMATION);
			return false;
		}
		if (static_cast<Sci_Position>(SendEditor(SCI_GETTEXT)) >= 250 * 1024 * 1024) // styling gets really slow and Scintilla requires special initialization for large files
		{
				MessageBox(*this, static_cast<LPCWSTR>(ResString(hResource, IDS_ERR_FILE_TOOBIG)), L"TortoiseGitUDiff", MB_ICONEXCLAMATION);
				return false;
		}
		bRet = ReadFile(hFile, data, sizeof(data), &dwRead, nullptr);
	}
	if (auto lastError = GetLastError(); !bRet && lastError != ERROR_BROKEN_PIPE)
	{
		if (hFile || wantStdIn)
		{
			MessageBox(*this, static_cast<LPCWSTR>(CFormatMessageWrapper()), L"TortoiseGitUDiff", MB_ICONEXCLAMATION);
			return false;
		}
		SetTitle(L"Unnamed");
		InitEditor();
		bUTF8 = true;
	}
	SetupWindow(bUTF8);
	return true;
}

bool CMainWindow::LoadFile(LPCWSTR filename)
{