/////Accesso al motore TTS (Text To Speech) SAPI di Microsoft - Fischetti P.
#include <windows.h>
#include <objbase.h>
#include <UUIDS.h>
#include "sapi.h"
#include <iostream>
#include <string>
using namespace std;

#pragma comment(lib, "ole32.lib") 

wchar_t* charToWChar(const char* text)
{
    size_t size = strlen(text) + 1;
    wchar_t* wa = new wchar_t[size];
    mbstowcs(wa,text,size);
    return wa;
}

int main(int argc, char* argv[])
{
    string sTxt;
    wchar_t *wTxt = NULL;
    
    ISpVoice * pVoice = NULL;

    if (FAILED(::CoInitialize(NULL)))
        return FALSE;

    HRESULT hr = CoCreateInstance(CLSID_SpVoice, NULL, CLSCTX_ALL, IID_ISpVoice, (void **)&pVoice);
    if( SUCCEEDED( hr ) )
    {
	if (1 == argc)
        { 
	 while (cin >> sTxt)
	 {  
	 //cout << sTxt << endl;
	  wTxt = charToWChar(sTxt.c_str());
          hr = pVoice->Speak(wTxt, 0, NULL);
	  delete[] wTxt;
	  wTxt = NULL;
         }
        }
        else
	 {  
	  wTxt = charToWChar(argv[1]);
          hr = pVoice->Speak(wTxt, 0, NULL);
	  delete[] wTxt;
	  wTxt = NULL;
         }
 	  	 
        pVoice->Release();
        pVoice = NULL;
    }

    ::CoUninitialize();
    return 0;
}