unsigned GetRootPrefixSize(const wchar_t *s) throw()
{
if (IS_DEVICE_PATH(s))
return kDevicePathPrefixSize;
if (IsSuperPath(s))
return GetRootPrefixSize_Of_SuperPath(s);
return GetRootPrefixSize_Of_SimplePath(s);
}
static bool GetSuperPathBase(CFSTR s, UString &res)
{
res.Empty();
FChar c = s[0];
if (c == 0)
return true;
if (c == '.' && (s[1] == 0 || (s[1] == '.' && s[2] == 0)))
return true;
if (IsSuperOrDevicePath(s))
{
#ifdef LONG_PATH_DOTS_FOLDERS_PARSING
if ((s)[2] == '.')
return true;
// we will return true here, so we will try to use these problem paths.
if (!AreThereDotsFolders(s + kSuperPathPrefixSize))
return true;
UString temp = fs2us(s);
unsigned fixedSize = GetRootPrefixSize_Of_SuperPath(temp);
if (fixedSize == 0)
return true;
UString rem = &temp[fixedSize];
if (!ResolveDotsFolders(rem))
return true;
temp.DeleteFrom(fixedSize);
res += temp;
res += rem;
#endif
return true;
}
if (c == CHAR_PATH_SEPARATOR)
{
if (s[1] == CHAR_PATH_SEPARATOR)
{
UString temp = fs2us(s + 2);
unsigned fixedSize = GetRootPrefixSize_Of_NetworkPath(temp);
if (fixedSize == 0) // maybe we must ignore that error to allow short network paths?
return false;
UString rem = &temp[fixedSize];
if (!ResolveDotsFolders(rem))
return false;
res += kSuperUncPrefix;
temp.DeleteFrom(fixedSize);
res += temp;
res += rem;
return true;
}
}
else
{
if (IsDrivePath(s))
{
UString temp = fs2us(s);
UString rem = &temp[kDrivePrefixSize];
if (!ResolveDotsFolders(rem))
return true;
res += kSuperPathPrefix;
temp.DeleteFrom(kDrivePrefixSize);
res += temp;
res += rem;
return true;
}
}
UString curDir;
if (!GetCurDir(curDir))
return false;
if (curDir.Back() != WCHAR_PATH_SEPARATOR)
curDir += WCHAR_PATH_SEPARATOR;
unsigned fixedSizeStart = 0;
unsigned fixedSize = 0;
const wchar_t *superMarker = NULL;
if (IsSuperPath(curDir))
{
fixedSize = GetRootPrefixSize_Of_SuperPath(curDir);
if (fixedSize == 0)
return false;
}
else
{
if (IsDrivePath(curDir))
{
superMarker = kSuperPathPrefix;
fixedSize = kDrivePrefixSize;
}
else
{
if (curDir[0] != CHAR_PATH_SEPARATOR || curDir[1] != CHAR_PATH_SEPARATOR)
return false;
fixedSizeStart = 2;
fixedSize = GetRootPrefixSize_Of_NetworkPath(&curDir[2]);
if (fixedSize == 0)
return false;
superMarker = kSuperUncPrefix;
}
}
UString temp;
if (c == CHAR_PATH_SEPARATOR)
{
temp = fs2us(s + 1);
}
else
{
temp += &curDir[fixedSizeStart + fixedSize];
temp += fs2us(s);
}
if (!ResolveDotsFolders(temp))
return false;
if (superMarker)
res += superMarker;
res += curDir.Mid(fixedSizeStart, fixedSize);
res += temp;
return true;
}
bool GetFullPath(CFSTR dirPrefix, CFSTR s, FString &res)
{
res = s;
#ifdef UNDER_CE
if (s[0] != CHAR_PATH_SEPARATOR)
{
if (!dirPrefix)
return false;
res = dirPrefix;
res += s;
}
#else
unsigned prefixSize = GetRootPrefixSize(s);
if (prefixSize != 0)
{
if (!AreThereDotsFolders(s + prefixSize))
return true;
UString rem = fs2us(s + prefixSize);
if (!ResolveDotsFolders(rem))
return true; // maybe false;
res.DeleteFrom(prefixSize);
res += us2fs(rem);
return true;
}
/*
FChar c = s[0];
if (c == 0)
return true;
if (c == '.' && (s[1] == 0 || (s[1] == '.' && s[2] == 0)))
return true;
if (c == CHAR_PATH_SEPARATOR && s[1] == CHAR_PATH_SEPARATOR)
return true;
if (IsDrivePath(s))
return true;
*/
UString curDir;
if (dirPrefix)
curDir = fs2us(dirPrefix);
else
{
if (!GetCurDir(curDir))
return false;
}
if (!curDir.IsEmpty() && curDir.Back() != WCHAR_PATH_SEPARATOR)
curDir += WCHAR_PATH_SEPARATOR;
unsigned fixedSize = 0;
#ifdef _WIN32
if (IsSuperPath(curDir))
{
fixedSize = GetRootPrefixSize_Of_SuperPath(curDir);
if (fixedSize == 0)
return false;
}
else
{
if (IsDrivePath(curDir))
fixedSize = kDrivePrefixSize;
else
{
if (curDir[0] != WCHAR_PATH_SEPARATOR || curDir[1] != WCHAR_PATH_SEPARATOR)
return false;
fixedSize = GetRootPrefixSize_Of_NetworkPath(&curDir[2]);
if (fixedSize == 0)
return false;
fixedSize += 2;
}
}
#else
if (IsDrivePath(curDir))
fixedSize = kDrivePrefixSize;
#endif // _WIN32
UString temp;
if (s[0] == CHAR_PATH_SEPARATOR)
{
temp = fs2us(s + 1);
}
else
{
temp += curDir.Ptr(fixedSize);
temp += fs2us(s);
}
if (!ResolveDotsFolders(temp))
return false;
curDir.DeleteFrom(fixedSize);
res = us2fs(curDir);
res += us2fs(temp);
#endif // UNDER_CE
return true;
}
