private static byte[] Prepare(byte[] src, StringPrep strprep)
{
String s = Encoding.UTF8.GetString(src);
UCharacterIterator iter = UCharacterIterator.GetInstance(s);
StringBuffer @out = strprep.Prepare(iter, StringPrepOptions.Default);
return(Encoding.UTF8.GetBytes(@out.ToString()));
}
public void TestPrepare()
{
StringPrep sp = StringPrep.GetInstance(0);
try
{
if (!(sp.Prepare("dummy", 0)).Equals("dummy"))
{
Errln("StringPrep.prepare(String,int) was suppose to return " + "'dummy'");
}
}
catch (Exception e)
{
Errln("StringPrep.prepare(String,int) was not suppose to return " + "an exception.");
}
}
public void TestProfiles()
{
String profileName = null;
StringPrep sprep = null;
String result = null;
String src = null;
String expected = null;
for (int i = 0; i < testCases.Length; i++)
{
for (int j = 0; j < testCases[i].Length; j++)
{
if (j == 0)
{
profileName = testCases[i][j];
sprep = StringPrep.GetInstance(GetOptionFromProfileName(profileName));
}
else
{
src = testCases[i][j];
expected = testCases[i][++j];
try
{
result = sprep.Prepare(src, StringPrepOptions.AllowUnassigned);
if (src.StartsWith("FAIL", StringComparison.Ordinal))
{
Errln("Failed: Expected error for Test[" + i + "] Profile: " + profileName);
}
else if (!result.Equals(expected))
{
Errln("Failed: Test[" + i + "] Result string does not match expected string for StringPrep test for profile: " + profileName);
}
}
catch (StringPrepParseException ex)
{
if (!src.StartsWith("FAIL", StringComparison.Ordinal))
{
Errln("Failed: Test[" + i + "] StringPrep profile " + profileName + " got error: " + ex);
}
}
}
}
}
}
public static StringBuffer ConvertToASCII(UCharacterIterator src, IDNA2003Options options)
{
bool[]
caseFlags = null;
// the source contains all ascii codepoints
bool srcIsASCII = true;
// assume the source contains all LDH codepoints
bool srcIsLDH = true;
//get the options
bool useSTD3ASCIIRules = ((options & IDNA2003Options.UseSTD3Rules) != 0);
int ch;
// step 1
while ((ch = src.Next()) != UCharacterIterator.DONE)
{
if (ch > 0x7f)
{
srcIsASCII = false;
}
}
int failPos = -1;
src.SetToStart();
StringBuffer processOut = null;
// step 2 is performed only if the source contains non ASCII
if (!srcIsASCII)
{
// step 2
processOut = namePrep.Prepare(src, (StringPrepOptions)options);
}
else
{
processOut = new StringBuffer(src.GetText());
}
int poLen = processOut.Length;
if (poLen == 0)
{
throw new StringPrepParseException("Found zero length lable after NamePrep.", StringPrepErrorType.ZeroLengthLabel);
}
StringBuffer dest = new StringBuffer();
// reset the variable to verify if output of prepare is ASCII or not
srcIsASCII = true;
// step 3 & 4
for (int j = 0; j < poLen; j++)
{
ch = processOut[j];
if (ch > 0x7F)
{
srcIsASCII = false;
}
else if (IsLDHChar(ch) == false)
{
// here we do not assemble surrogates
// since we know that LDH code points
// are in the ASCII range only
srcIsLDH = false;
failPos = j;
}
}
if (useSTD3ASCIIRules == true)
{
// verify 3a and 3b
if (srcIsLDH == false || /* source contains some non-LDH characters */
processOut[0] == HYPHEN ||
processOut[processOut.Length - 1] == HYPHEN)
{
/* populate the parseError struct */
if (srcIsLDH == false)
{
throw new StringPrepParseException("The input does not conform to the STD 3 ASCII rules",
StringPrepErrorType.STD3ASCIIRulesError,
processOut.ToString(),
(failPos > 0) ? (failPos - 1) : failPos);
}
else if (processOut[0] == HYPHEN)
{
throw new StringPrepParseException("The input does not conform to the STD 3 ASCII rules",
StringPrepErrorType.STD3ASCIIRulesError, processOut.ToString(), 0);
}
else
{
throw new StringPrepParseException("The input does not conform to the STD 3 ASCII rules",
StringPrepErrorType.STD3ASCIIRulesError,
processOut.ToString(),
(poLen > 0) ? poLen - 1 : poLen);
}
}
}
if (srcIsASCII)
{
dest = processOut;
}
else
{
// step 5 : verify the sequence does not begin with ACE prefix
if (!StartsWithPrefix(processOut))
{
//step 6: encode the sequence with punycode
caseFlags = new bool[poLen];
StringBuilder punyout = Punycode.Encode(processOut, caseFlags);
// convert all codepoints to lower case ASCII
StringBuffer lowerOut = ToASCIILower(punyout);
//Step 7: prepend the ACE prefix
dest.Append(ACE_PREFIX, 0, ACE_PREFIX.Length - 0); // ICU4N: Checked 3rd parameter
//Step 6: copy the contents in b2 into dest
dest.Append(lowerOut);
}
else
{
throw new StringPrepParseException("The input does not start with the ACE Prefix.",
StringPrepErrorType.AcePrefixError, processOut.ToString(), 0);
}
}
if (dest.Length > MAX_LABEL_LENGTH)
{
throw new StringPrepParseException("The labels in the input are too long. Length > 63.",
StringPrepErrorType.LabelTooLongError, dest.ToString(), 0);
}
return(dest);
}