/*
* [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;
}
}
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;
}
/*
* [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;
}
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;
}
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;
}
int URI_FUNC(UriStringToWindowsFilename)(const URI_CHAR * uriString, URI_CHAR * filename) {
return URI_FUNC(UriStringToFilename)(uriString, filename, URI_FALSE);
}
int URI_FUNC(UriStringToUnixFilename)(const URI_CHAR * uriString, URI_CHAR * filename) {
return URI_FUNC(UriStringToFilename)(uriString, filename, URI_TRUE);
}
int URI_FUNC(WindowsFilenameToUriString)(const URI_CHAR * filename, URI_CHAR * uriString) {
return URI_FUNC(FilenameToUriString)(filename, uriString, URI_FALSE);
}
int URI_FUNC(UnixFilenameToUriString)(const URI_CHAR * filename, URI_CHAR * uriString) {
return URI_FUNC(FilenameToUriString)(filename, uriString, URI_TRUE);
}
