C++ (Cpp) Data_readFromTextFile Examples

Example #1

File: Data.cpp Project: DsRQuicke/praat

autoDaata Data_readFromFile (MelderFile file) {
	int nread, i;
	char header [513];
	autofile f = Melder_fopen (file, "rb");
	nread = fread (& header [0], 1, 512, f);
	f.close (file);
	header [nread] = 0;

	/***** 1. Is this file a text file as defined in Data.cpp? *****/

	if (nread > 11) {
		char *p = strstr (header, "TextFile");
		if (p && p - header < nread - 8 && p - header < 40)
			return Data_readFromTextFile (file);
	}
	if (nread > 22) {
		char headerCopy [101];
		memcpy (headerCopy, header, 100);
		headerCopy [100] = '\0';
		for (i = 0; i < 100; i ++)
			if (headerCopy [i] == '\0') headerCopy [i] = '\001';
		char *p = strstr (headerCopy, "T\001e\001x\001t\001F\001i\001l\001e");
		if (p && p - headerCopy < nread - 15 && p - headerCopy < 80)
			return Data_readFromTextFile (file);
	}

	/***** 2. Is this file a binary file as defined in Data.cpp? *****/

	if (nread > 13) {
		char *p = strstr (header, "BinaryFile");
		if (p && p - header < nread - 10 && p - header < 40)
			return Data_readFromBinaryFile (file);
	}

	/***** 3. Is this file of a type for which a recognizer has been installed? *****/

	MelderFile_getParentDir (file, & Data_directoryBeingRead);
	for (i = 1; i <= numFileTypeRecognizers; i ++) {
		autoDaata object = fileTypeRecognizers [i] (nread, header, file);
		if (object) {
			if (object -> classInfo == classDaata)   // dummy object? the recognizer could have had a side effect, such as drawing a picture
				return autoDaata ();
			return object;
		}
	}

	/***** 4. Is this a common text file? *****/

	for (i = 0; i < nread; i ++)
		if (header [i] < 32 || header [i] > 126)   // not ASCII?
			break;
	if (i >= nread) return Data_readFromTextFile (file);

	Melder_throw (U"File ", file, U" not recognized.");
}

Example #2

File: Data.cpp Project: arizona-phonological-imaging-lab/ultrapraat

Any Data_readFromFile (MelderFile file) {
	int nread, i;
	char header [513];
	autofile f = Melder_fopen (file, "rb");
	nread = fread (& header [0], 1, 512, f);
	f.close (file);
	header [nread] = 0;

	/***** 1. Is this file a text file as defined in Data.cpp? *****/

	if (nread > 11) {
		char *p = strstr (header, "TextFile");
		if (p != NULL && p - header < nread - 8 && p - header < 40)
			return Data_readFromTextFile (file);
	}
	if (nread > 22) {
		char headerCopy [101];
		memcpy (headerCopy, header, 100);
		headerCopy [100] = '\0';
		for (i = 0; i < 100; i ++)
			if (headerCopy [i] == '\0') headerCopy [i] = '\001';
		char *p = strstr (headerCopy, "T\001e\001x\001t\001F\001i\001l\001e");
		if (p != NULL && p - headerCopy < nread - 15 && p - headerCopy < 80)
			return Data_readFromTextFile (file);
	}

	/***** 2. Is this file a binary file as defined in Data.cpp? *****/

	if (nread > 13) {
		char *p = strstr (header, "BinaryFile");
		if (p != NULL && p - header < nread - 10 && p - header < 40)
			return Data_readFromBinaryFile (file);
	}

	/***** 3. Is this file of a type for which a recognizer has been installed? *****/

	MelderFile_getParentDir (file, & Data_directoryBeingRead);
	for (i = 1; i <= numFileTypeRecognizers; i ++) {
		Data object = (Data) fileTypeRecognizers [i] (nread, header, file);
		if (object == (Data) 1) return NULL;
		if (object) return object;
	}

	/***** 4. Is this a common text file? *****/

	for (i = 0; i < nread; i ++)
		if (header [i] < 32 || header [i] > 126)   /* Not ASCII? */
			break;
	if (i >= nread) return Data_readFromTextFile (file);

	Melder_throw ("File ", file, " not recognized.");
}