예제 #1
0
파일: UriIp4.c 프로젝트: MiKTeX/miktex
/*
 * [decOctetTwo]-><NULL>
 * [decOctetTwo]-><0>[decOctetThree]
 * [decOctetTwo]-><1>[decOctetThree]
 * [decOctetTwo]-><2>[decOctetThree]
 * [decOctetTwo]-><3>[decOctetThree]
 * [decOctetTwo]-><4>[decOctetThree]
 * [decOctetTwo]-><5>[decOctetFour]
 * [decOctetTwo]-><6>
 * [decOctetTwo]-><7>
 * [decOctetTwo]-><8>
 * [decOctetTwo]-><9>
*/
static URI_INLINE const URI_CHAR * URI_FUNC(ParseDecOctetTwo)(UriIp4Parser * parser,
		const URI_CHAR * first, const URI_CHAR * afterLast) {
	if (first >= afterLast) {
		return afterLast;
	}

	switch (*first) {
	case _UT('0'):
	case _UT('1'):
	case _UT('2'):
	case _UT('3'):
	case _UT('4'):
		uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9')));
		return (const URI_CHAR *)URI_FUNC(ParseDecOctetThree)(parser, first + 1, afterLast);

	case _UT('5'):
		uriPushToStack(parser, 5);
		return (const URI_CHAR *)URI_FUNC(ParseDecOctetFour)(parser, first + 1, afterLast);

	case _UT('6'):
	case _UT('7'):
	case _UT('8'):
	case _UT('9'):
		uriPushToStack(parser, (unsigned char)(9 + *first - _UT('9')));
		return first + 1;

	default:
		return first;
	}
}
예제 #2
0
static URI_INLINE int URI_FUNC(UriStringToFilename)(const URI_CHAR * uriString,
		URI_CHAR * filename, UriBool toUnix) {
	const URI_CHAR * const prefix = toUnix ? _UT("file://") : _UT("file:///");
	const int prefixLen = toUnix ? 7 : 8;
	URI_CHAR * walker = filename;
	size_t charsToCopy;
	const UriBool absolute = (URI_STRNCMP(uriString, prefix, prefixLen) == 0);
	const int charsToSkip = (absolute ? prefixLen : 0);

	charsToCopy = URI_STRLEN(uriString + charsToSkip) + 1;
	memcpy(filename, uriString + charsToSkip, charsToCopy * sizeof(URI_CHAR));
	URI_FUNC(UnescapeInPlaceEx)(filename, URI_FALSE, URI_BR_DONT_TOUCH);

	/* Convert forward slashes to backslashes */
	if (!toUnix) {
		while (walker[0] != _UT('\0')) {
			if (walker[0] == _UT('/')) {
				walker[0] = _UT('\\');
			}
			walker++;
		}
	}

	return URI_SUCCESS;
}
예제 #3
0
파일: UriIp4.c 프로젝트: MiKTeX/miktex
/*
 * [ipFourAddress]->[decOctet]<.>[decOctet]<.>[decOctet]<.>[decOctet]
 */
int URI_FUNC(ParseIpFourAddress)(unsigned char * octetOutput,
		const URI_CHAR * first, const URI_CHAR * afterLast) {
	const URI_CHAR * after;
	UriIp4Parser parser;

	/* Essential checks */
	if ((octetOutput == NULL) || (first == NULL)
			|| (afterLast <= first)) {
		return URI_ERROR_SYNTAX;
	}

	/* Reset parser */
	parser.stackCount = 0;

	/* Octet #1 */
	after = URI_FUNC(ParseDecOctet)(&parser, first, afterLast);
	if ((after == NULL) || (after >= afterLast) || (*after != _UT('.'))) {
		return URI_ERROR_SYNTAX;
	}
	uriStackToOctet(&parser, octetOutput);

	/* Octet #2 */
	after = URI_FUNC(ParseDecOctet)(&parser, after + 1, afterLast);
	if ((after == NULL) || (after >= afterLast) || (*after != _UT('.'))) {
		return URI_ERROR_SYNTAX;
	}
	uriStackToOctet(&parser, octetOutput + 1);

	/* Octet #3 */
	after = URI_FUNC(ParseDecOctet)(&parser, after + 1, afterLast);
	if ((after == NULL) || (after >= afterLast) || (*after != _UT('.'))) {
		return URI_ERROR_SYNTAX;
	}
	uriStackToOctet(&parser, octetOutput + 2);

	/* Octet #4 */
	after = URI_FUNC(ParseDecOctet)(&parser, after + 1, afterLast);
	if (after != afterLast) {
		return URI_ERROR_SYNTAX;
	}
	uriStackToOctet(&parser, octetOutput + 3);

	return URI_SUCCESS;
}
예제 #4
0
static URI_INLINE int URI_FUNC(UriStringToFilename)(const URI_CHAR * uriString,
		URI_CHAR * filename, UriBool toUnix) {
	if ((uriString == NULL) || (filename == NULL)) {
		return URI_ERROR_NULL;
	}

	{
		const UriBool file_two_slashes =
				URI_STRNCMP(uriString, _UT("file://"), URI_STRLEN(_UT("file://"))) == 0;
		const UriBool file_three_slashes = file_two_slashes
				&& (URI_STRNCMP(uriString, _UT("file:///"), URI_STRLEN(_UT("file:///"))) == 0);

		const size_t charsToSkip = file_two_slashes
				? file_three_slashes
					? toUnix
						/* file:///bin/bash */
						? URI_STRLEN(_UT("file://"))
						/* file:///E:/Documents%20and%20Settings */
						: URI_STRLEN(_UT("file:///"))
					/* file://Server01/Letter.txt */
					: URI_STRLEN(_UT("file://"))
				: 0;
		const size_t charsToCopy = URI_STRLEN(uriString + charsToSkip) + 1;

		const UriBool is_windows_network_with_authority =
				(toUnix == URI_FALSE)
				&& file_two_slashes
				&& ! file_three_slashes;

		URI_CHAR * const unescape_target = is_windows_network_with_authority
				? (filename + 2)
				: filename;

		if (is_windows_network_with_authority) {
			filename[0] = '\\';
			filename[1] = '\\';
		}

		memcpy(unescape_target, uriString + charsToSkip, charsToCopy * sizeof(URI_CHAR));
		URI_FUNC(UnescapeInPlaceEx)(filename, URI_FALSE, URI_BR_DONT_TOUCH);
	}

	/* Convert forward slashes to backslashes */
	if (!toUnix) {
		URI_CHAR * walker = filename;
		while (walker[0] != _UT('\0')) {
			if (walker[0] == _UT('/')) {
				walker[0] = _UT('\\');
			}
			walker++;
		}
	}

	return URI_SUCCESS;
}
예제 #5
0
static URI_INLINE int URI_FUNC(FilenameToUriString)(const URI_CHAR * filename,
		URI_CHAR * uriString, UriBool fromUnix) {
	const URI_CHAR * input = filename;
	const URI_CHAR * lastSep = input - 1;
	UriBool firstSegment = URI_TRUE;
	URI_CHAR * output = uriString;
	UriBool absolute;
	UriBool is_windows_network;

	if ((filename == NULL) || (uriString == NULL)) {
		return URI_ERROR_NULL;
	}

	is_windows_network = (filename[0] == _UT('\\')) && (filename[1] == _UT('\\'));
	absolute = fromUnix
			? (filename[0] == _UT('/'))
			: ((filename[0] != _UT('\0')) && (filename[1] == _UT(':'))
				|| is_windows_network);

	if (absolute) {
		const URI_CHAR * const prefix = fromUnix
				? _UT("file://")
				: is_windows_network
					? _UT("file:")
					: _UT("file:///");
		const int prefixLen = URI_STRLEN(prefix);

		/* Copy prefix */
		memcpy(uriString, prefix, prefixLen * sizeof(URI_CHAR));
		output += prefixLen;
	}

	/* Copy and escape on the fly */
	for (;;) {
		if ((input[0] == _UT('\0'))
				|| (fromUnix && input[0] == _UT('/'))
				|| (!fromUnix && input[0] == _UT('\\'))) {
			/* Copy text after last seperator */
			if (lastSep + 1 < input) {
				if (!fromUnix && absolute && (firstSegment == URI_TRUE)) {
					/* Quick hack to not convert "C:" to "C%3A" */
					const int charsToCopy = (int)(input - (lastSep + 1));
					memcpy(output, lastSep + 1, charsToCopy * sizeof(URI_CHAR));
					output += charsToCopy;
				} else {
					output = URI_FUNC(EscapeEx)(lastSep + 1, input, output,
							URI_FALSE, URI_FALSE);
				}
			}
			firstSegment = URI_FALSE;
		}

		if (input[0] == _UT('\0')) {
			output[0] = _UT('\0');
			break;
		} else if (fromUnix && (input[0] == _UT('/'))) {
			/* Copy separators unmodified */
			output[0] = _UT('/');
			output++;
			lastSep = input;
		} else if (!fromUnix && (input[0] == _UT('\\'))) {
			/* Convert backslashes to forward slashes */
			output[0] = _UT('/');
			output++;
			lastSep = input;
		}
		input++;
	}

	return URI_SUCCESS;
}
예제 #6
0
int URI_FUNC(UriStringToWindowsFilename)(const URI_CHAR * uriString, URI_CHAR * filename) {
	return URI_FUNC(UriStringToFilename)(uriString, filename, URI_FALSE);
}
예제 #7
0
int URI_FUNC(UriStringToUnixFilename)(const URI_CHAR * uriString, URI_CHAR * filename) {
	return URI_FUNC(UriStringToFilename)(uriString, filename, URI_TRUE);
}
예제 #8
0
int URI_FUNC(WindowsFilenameToUriString)(const URI_CHAR * filename, URI_CHAR * uriString) {
	return URI_FUNC(FilenameToUriString)(filename, uriString, URI_FALSE);
}
예제 #9
0
int URI_FUNC(UnixFilenameToUriString)(const URI_CHAR * filename, URI_CHAR * uriString) {
	return URI_FUNC(FilenameToUriString)(filename, uriString, URI_TRUE);
}