65 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "utils.h"
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#include <flutter_windows.h>
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#include <io.h>
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#include <stdio.h>
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#include <windows.h>
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#include <iostream>
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void CreateAndAttachConsole() {
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  if (::AllocConsole()) {
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    FILE *unused;
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    if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
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      _dup2(_fileno(stdout), 1);
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    }
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    if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
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      _dup2(_fileno(stdout), 2);
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    }
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    std::ios::sync_with_stdio();
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    FlutterDesktopResyncOutputStreams();
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  }
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}
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std::vector<std::string> GetCommandLineArguments() {
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  // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
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  int argc;
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  wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
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  if (argv == nullptr) {
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    return std::vector<std::string>();
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  }
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  std::vector<std::string> command_line_arguments;
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  // Skip the first argument as it's the binary name.
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  for (int i = 1; i < argc; i++) {
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    command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
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  }
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  ::LocalFree(argv);
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  return command_line_arguments;
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}
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std::string Utf8FromUtf16(const wchar_t* utf16_string) {
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  if (utf16_string == nullptr) {
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    return std::string();
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  }
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  int target_length = ::WideCharToMultiByte(
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      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
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      -1, nullptr, 0, nullptr, nullptr);
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  std::string utf8_string;
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  if (target_length == 0 || target_length > utf8_string.max_size()) {
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    return utf8_string;
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  }
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  utf8_string.resize(target_length);
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  int converted_length = ::WideCharToMultiByte(
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      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
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      -1, utf8_string.data(),
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      target_length, nullptr, nullptr);
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  if (converted_length == 0) {
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    return std::string();
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  }
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  return utf8_string;
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}
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