Esempi in C++ (Cpp) per wchars_to_utf8chars

Esempio n. 1

File: updater.cpp Progetto: AlexRa/Kirstens-clone

HINTERNET Fetcher::openUrl(const std::wstring& uri) const
{
    DEBUG("Calling InternetOpenUrl: " << wchars_to_utf8chars(uri.c_str()));
    return check("InternetOpenUrl",
                 InternetOpenUrl(mInet, uri.c_str(), NULL, 0, INTERNET_FLAG_NEED_FILE, NULL));
}

Esempio n. 2

int WINAPI get_url_into_file(WCHAR *uri, char *path, int *cancelled)
{
	int success = FALSE;
	*cancelled = FALSE;

	HINTERNET hinet, hdownload;
	char data[BUFSIZE];		/* Flawfinder: ignore */
	unsigned long bytes_read;

#if _DEBUG
	fprintf(logfile,"Opening '%s'\n",path);
	fflush(logfile);
#endif	

	FILE* fp = fopen(path, "wb");		/* Flawfinder: ignore */

	if (!fp)
	{
#if _DEBUG
		fprintf(logfile,"Failed to open '%s'\n",path);
		fflush(logfile);
#endif	
		return success;
	}
	
#if _DEBUG
	fprintf(logfile,"Calling InternetOpen\n");
	fflush(logfile);
#endif	
	// Init wininet subsystem
	hinet = InternetOpen(L"LindenUpdater", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
	if (hinet == NULL)
	{
		return success;
	}

#if _DEBUG
	fprintf(logfile,"Calling InternetOpenUrl: %s\n",wchars_to_utf8chars(uri));
	fflush(logfile);
#endif	
	hdownload = InternetOpenUrl(hinet, uri, NULL, 0, INTERNET_FLAG_NEED_FILE, NULL);
	if (hdownload == NULL)
	{
#if _DEBUG
		DWORD err = GetLastError();
		fprintf(logfile,"InternetOpenUrl Failed: %d\n",err);
		fflush(logfile);
#endif	
		return success;
	}

	DWORD sizeof_total_bytes = sizeof(gTotalBytes);
	HttpQueryInfo(hdownload, HTTP_QUERY_CONTENT_LENGTH | HTTP_QUERY_FLAG_NUMBER, &gTotalBytes, &sizeof_total_bytes, NULL);
	
	DWORD total_bytes = 0;
	success = InternetQueryDataAvailable(hdownload, &total_bytes, 0, 0);
	if (success == FALSE)
	{
#if _DEBUG
		DWORD err = GetLastError();
		fprintf(logfile,"InternetQueryDataAvailable Failed: %d bytes Err:%d\n",total_bytes,err);
		fflush(logfile);
#endif	
 		return success;
	}

	success = FALSE;
	while(!success && !(*cancelled))
	{
		MSG msg;

#if _DEBUG
		fprintf(logfile,"Calling InternetReadFile\n");
		fflush(logfile);
#endif	
		if (!InternetReadFile(hdownload, data, BUFSIZE, &bytes_read))
		{
#if _DEBUG
			fprintf(logfile,"InternetReadFile Failed.\n");
			fflush(logfile);
#endif
			// ...an error occurred
			return FALSE;
		}

#if _DEBUG
		if (!bytes_read)
		{
			fprintf(logfile,"InternetReadFile Read 0 bytes.\n");
			fflush(logfile);
		}
#endif

#if _DEBUG
		fprintf(logfile,"Reading Data, bytes_read = %d\n",bytes_read);
		fflush(logfile);
#endif	
		
		if (bytes_read == 0)
		{
			// If InternetFileRead returns TRUE AND bytes_read == 0
			// we've successfully downloaded the entire file
			wsprintf(gProgress, L"Download complete.");
			success = TRUE;
		}
		else
		{
			// write what we've got, then continue
			fwrite(data, sizeof(char), bytes_read, fp);

			gTotalBytesRead += int(bytes_read);

			if (gTotalBytes != -1)
				wsprintf(gProgress, L"Downloaded: %d%%", 100 * gTotalBytesRead / gTotalBytes);
			else
				wsprintf(gProgress, L"Downloaded: %dK", gTotalBytesRead / 1024);

		}

#if _DEBUG
		fprintf(logfile,"Calling InvalidateRect\n");
		fflush(logfile);
#endif	
		
		// Mark the window as needing redraw (of the whole thing)
		InvalidateRect(gWindow, NULL, TRUE);

		// Do the redraw
#if _DEBUG
		fprintf(logfile,"Calling UpdateWindow\n");
		fflush(logfile);
#endif	
		UpdateWindow(gWindow);

#if _DEBUG
		fprintf(logfile,"Calling PeekMessage\n");
		fflush(logfile);
#endif	
		while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);

			if (msg.message == WM_QUIT)
			{
				// bail out, user cancelled
				*cancelled = TRUE;
			}
		}
	}

#if _DEBUG
	fprintf(logfile,"Calling InternetCloseHandle\n");
	fclose(logfile);
#endif
	
	fclose(fp);
	InternetCloseHandle(hdownload);
	InternetCloseHandle(hinet);

	return success;
}