public void Base36EncodeTest()
{
// positive number
long inputNumber = 512344131333132;
long result = 0;
string base36 = "";
base36 = StringUtils.Base36Encode(inputNumber);
Assert.IsTrue(!string.IsNullOrEmpty(base36), "Base36 number resulted in empty or null");
result = StringUtils.Base36Decode(base36);
Assert.AreEqual(inputNumber, result, "Base36 conversion failed.");
// negative number
inputNumber = -512344131333132;
base36 = StringUtils.Base36Encode(inputNumber);
Assert.IsTrue(!string.IsNullOrEmpty(base36), "Base36 number resulted in empty or null");
result = StringUtils.Base36Decode(base36);
Assert.AreEqual(inputNumber, result, "Base36 conversion failed.");
inputNumber = 0;
base36 = StringUtils.Base36Encode(inputNumber);
Assert.IsTrue(!string.IsNullOrEmpty(base36), "Base36 number resulted in empty or null");
result = StringUtils.Base36Decode(base36);
Assert.AreEqual(inputNumber, result, "Base36 conversion failed.");
}
private string getOutputCacheTimestamp()
{
// -- if authoring, always force cache to bust. Otherwise base the timestamp from when the assembly was created.
long ticks = DateTime.Now.Ticks;
if (this._page.currentUserCanWrite)
{
ticks = DateTime.Now.Ticks;
}
else
{
try
{
System.IO.FileInfo fi = new System.IO.FileInfo(typeof(CmsContext).Assembly.Location);
ticks = fi.CreationTime.Ticks;
}
catch
{ }
}
string ret = StringUtils.Base36Encode(ticks);
return(ret);
}
protected static string getImageCacheKey(string FullSizeImageFilenameOnDisk, int displayBoxWidth, int displayBoxHeight)
{
//-- algorithm note: nothing called here should access the disk or database; everything should be memory based.
string PathUnderAppRoot = PathUtils.RelativePathTo(System.Web.Hosting.HostingEnvironment.MapPath("~/"), FullSizeImageFilenameOnDisk);
string ret = PathUnderAppRoot;
byte[] bytes = System.Text.Encoding.UTF32.GetBytes(ret);
long val = long.MaxValue;
foreach (byte b in bytes)
{
val = val - b;
}
ret = StringUtils.Base36Encode(val);
string fn = Path.GetFileNameWithoutExtension(PathUnderAppRoot);
ret = ret + fn;
foreach (char c in Path.GetInvalidPathChars())
{
ret = ret.Replace(c, '.');
}
ret = ret.Replace(Path.DirectorySeparatorChar.ToString(), "");
ret = ret.Replace(Path.AltDirectorySeparatorChar.ToString(), "");
ret = ret.Replace(Path.VolumeSeparatorChar.ToString(), "");
ret = ret.Replace(Path.PathSeparator.ToString(), "");
ret = ret.Replace("#", "");
ret = ret.Replace("%", "");
ret = ret.Replace(" ", ".");
ret = ret.Replace("~", "."); // -- note: when using mono/linux, ~ has special significance
// -- HTTrack has problems with unicode characters in filenames
// logged here: http://forum.httrack.com/readmsg/18923/index.html
// let's replace some common chars, but leave the rest to the for loop before.
// We could use the list of Unicode chars: http://en.wikipedia.org/wiki/List_of_Unicode_characters
ret = ret.Replace("ä", "a");
ret = ret.Replace("á", "a");
ret = ret.Replace("á", "a");
ret = ret.Replace("Ä", "A");
ret = ret.Replace("Ã", "A");
ret = ret.Replace("ç", "c");
ret = ret.Replace("Č", "C");
ret = ret.Replace("č", "c");
ret = ret.Replace("ě", "e");
ret = ret.Replace("é", "e");
ret = ret.Replace("í", "i");
ret = ret.Replace("ñ", "n");
ret = ret.Replace("Ñ", "N");
ret = ret.Replace("ř", "r");
ret = ret.Replace("ß", "ss");
ret = ret.Replace("ö", "o");
ret = ret.Replace("Ö", "O");
ret = ret.Replace("Ó", "O");
ret = ret.Replace("ó", "o");
ret = ret.Replace("ü", "u");
ret = ret.Replace("Ü", "U");
ret = ret.Replace("ý", "y");
ret = ret.Replace("ž", "z");
string noUnicode = ret;
foreach (char c in ret)
{
if (c > '\u0080')
{
noUnicode = noUnicode.Replace(c.ToString(), Convert.ToInt32(c).ToString());
}
} // foreach
ret = noUnicode;
// -- check the length of the string to ensure it will fit on the file system.
if (ret.Length >= 245)
{
ret = ret.Substring(ret.Length - 245);
}
// -- add the displayBoxHeight and displayBoxWidth
if (displayBoxHeight <= 0)
{
displayBoxHeight = -1;
}
if (displayBoxWidth <= 0)
{
displayBoxWidth = -1;
}
ret = ret + "." + displayBoxWidth.ToString() + "." + displayBoxHeight.ToString() + ".";
return(ret);
}