Method OpenFileToExternalEditor

Src/Merge.cpp:1131–1174

* @brief Open given file to external editor specified in options. * @param [in] file Full path to file to open. * * Opens file to defined (in Options/system), Notepad by default, * external editor. Path is decorated with quotation marks if needed * (contains spaces). Also '$file' in editor path is replaced by * filename to open. * @param [in] file Full path to file to open. * @param [in] n

 * @param [in] nLineNumber Line number to go to.
 */
void CMergeApp::OpenFileToExternalEditor(const String& file, int nLineNumber/* = 1*/)
{
	String sCmd = env::ExpandEnvironmentVariables(GetOptionsMgr()->GetString(OPT_EXT_EDITOR_CMD));
	String sFile(file);
	strutils::replace(sCmd, _T("$linenum"), strutils::to_str(nLineNumber));

	size_t nIndex = sCmd.find(_T("$file"));
	if (nIndex != String::npos)
	{
		sFile.insert(0, _T("\""));
		strutils::replace(sCmd, _T("$file"), sFile);
		nIndex = sCmd.find(' ', nIndex + sFile.length());
		if (nIndex != String::npos)
			sCmd.insert(nIndex, _T("\""));
		else
			sCmd += '"';
	}
	else
	{
		sCmd += _T(" \"");
		sCmd += sFile;
		sCmd += _T("\"");
	}

	bool retVal = false;
	STARTUPINFO stInfo = { sizeof STARTUPINFO };
	PROCESS_INFORMATION processInfo;

	retVal = !!CreateProcess(nullptr, (tchar_t*)sCmd.c_str(),
		nullptr, nullptr, FALSE, CREATE_DEFAULT_ERROR_MODE, nullptr, nullptr,
		&stInfo, &processInfo);

	if (!retVal)
	{
		// Error invoking external editor
		String msg = strutils::format_string1(_("Failed to execute external editor: %1"), sCmd);
		AfxMessageBox(msg.c_str(), MB_ICONSTOP);
	}
	else
	{
		CloseHandle(processInfo.hThread);
		CloseHandle(processInfo.hProcess);
	}
}

/** @brief Returns pointer to global file filter */
FileFilterHelper* CMergeApp::GetGlobalFileFilter()