| 1 | #include "utils.h" |
| 2 | |
| 3 | #include <flutter_windows.h> |
| 4 | #include <io.h> |
| 5 | #include <stdio.h> |
| 6 | #include <windows.h> |
| 7 | |
| 8 | #include <iostream> |
| 9 | |
| 10 | void CreateAndAttachConsole() { |
| 11 | if (::AllocConsole()) { |
| 12 | FILE *unused; |
| 13 | if (freopen_s(&unused, "CONOUT$", "w", stdout)) { |
| 14 | _dup2(_fileno(stdout), 1); |
| 15 | } |
| 16 | if (freopen_s(&unused, "CONOUT$", "w", stderr)) { |
| 17 | _dup2(_fileno(stdout), 2); |
| 18 | } |
| 19 | std::ios::sync_with_stdio(); |
| 20 | FlutterDesktopResyncOutputStreams(); |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | std::vector<std::string> GetCommandLineArguments() { |
| 25 | // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use. |
| 26 | int argc; |
| 27 | wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc); |
| 28 | if (argv == nullptr) { |
| 29 | return std::vector<std::string>(); |
| 30 | } |
| 31 | |
| 32 | std::vector<std::string> command_line_arguments; |
| 33 | |
| 34 | // Skip the first argument as it's the binary name. |
| 35 | for (int i = 1; i < argc; i++) { |
| 36 | command_line_arguments.push_back(Utf8FromUtf16(argv[i])); |
| 37 | } |
| 38 | |
| 39 | ::LocalFree(argv); |
| 40 | |
| 41 | return command_line_arguments; |
| 42 | } |
| 43 | |
| 44 | std::string Utf8FromUtf16(const wchar_t* utf16_string) { |
| 45 | if (utf16_string == nullptr) { |
| 46 | return std::string(); |
| 47 | } |
| 48 | int target_length = ::WideCharToMultiByte( |
| 49 | CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, |
| 50 | -1, nullptr, 0, nullptr, nullptr) |
| 51 | -1; // remove the trailing null character |
| 52 | int input_length = (int)wcslen(utf16_string); |
| 53 | std::string utf8_string; |
| 54 | if (target_length <= 0 || target_length > utf8_string.max_size()) { |
| 55 | return utf8_string; |
| 56 | } |
| 57 | utf8_string.resize(target_length); |
| 58 | int converted_length = ::WideCharToMultiByte( |
| 59 | CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, |
| 60 | input_length, utf8_string.data(), target_length, nullptr, nullptr); |
| 61 | if (converted_length == 0) { |
| 62 | return std::string(); |
| 63 | } |
| 64 | return utf8_string; |
| 65 | } |