75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
#include "commandlineutils.h"
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#include <string>
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#include <iostream>
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#ifdef PLATFORM_WINDOWS
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#include <windows.h>
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#include <fcntl.h>
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#endif
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using namespace std;
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namespace ApplicationUtilities {
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/*!
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* \brief Prompts for confirmation displaying the specified \a message.
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*/
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bool confirmPrompt(const char *message, Response defaultResponse)
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{
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cout << message;
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cout << ' ' << '[';
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cout << (defaultResponse == Response::Yes ? 'Y' : 'y');
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cout << '/' << (defaultResponse == Response::No ? 'N' : 'n');
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cout << ']' << ' ';
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cout.flush();
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for(string line; ;) {
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getline(cin, line);
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if(line == "y" || line == "Y" || (defaultResponse == Response::Yes && line.empty())) {
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return true;
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} else if(line == "n" || line == "N" || (defaultResponse == Response::No && line.empty())) {
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return false;
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} else {
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cout << "Please enter [y] or [n]: ";
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cout.flush();
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}
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}
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}
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/*!
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* \brief Starts the console.
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* \remarks This method is only available on Windows and used to start
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* a console from a GUI application.
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*/
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void startConsole()
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{
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AttachConsole(ATTACH_PARENT_PROCESS);
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CONSOLE_SCREEN_BUFFER_INFO coninfo;
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GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &coninfo);
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coninfo.dwSize.X = 200;
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coninfo.dwSize.Y = 500;
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SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), coninfo.dwSize);
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// redirect stdout
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auto stdHandle = reinterpret_cast<intptr_t>(GetStdHandle(STD_OUTPUT_HANDLE));
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auto conHandle = _open_osfhandle(stdHandle, _O_TEXT);
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auto fp = _fdopen(conHandle, "w");
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*stdout = *fp;
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setvbuf(stdout, NULL, _IONBF, 0);
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// redirect stdin
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stdHandle = reinterpret_cast<intptr_t>(GetStdHandle(STD_INPUT_HANDLE));
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conHandle = _open_osfhandle(stdHandle, _O_TEXT);
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fp = _fdopen(conHandle, "r");
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*stdin = *fp;
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setvbuf(stdin, NULL, _IONBF, 0);
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// redirect stderr
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stdHandle = reinterpret_cast<intptr_t>(GetStdHandle(STD_ERROR_HANDLE));
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conHandle = _open_osfhandle(stdHandle, _O_TEXT);
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fp = _fdopen(conHandle, "w");
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*stderr = *fp;
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setvbuf(stderr, NULL, _IONBF, 0);
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// sync
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ios::sync_with_stdio(true);
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}
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} // namespace ApplicationUtilities
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