public virtual void TestCapitalize()
{
byte[] output = new byte[8];
byte[] input = new byte[] { 113, unchecked ((byte)(-61)), unchecked ((byte)(-90)), unchecked ((byte)(-32)), unchecked ((byte)(-92)), unchecked ((byte)(-86)) };
// "qæप"
iText.IO.Codec.Brotli.Dec.Transform transform = new iText.IO.Codec.Brotli.Dec.Transform("[", iText.IO.Codec.Brotli.Dec.WordTransformType.UppercaseAll, "]");
iText.IO.Codec.Brotli.Dec.Transform.TransformDictionaryWord(output, 0, input, 0, input.Length, transform);
byte[] expectedOutput = new byte[] { 91, 81, unchecked ((byte)(-61)), unchecked ((byte)(-122)), unchecked ((byte)(-32)), unchecked ((byte)(-92)), unchecked ((byte)(-81)), 93 };
// "[QÆय]"
NUnit.Framework.Assert.AreEqual(expectedOutput, output);
}
public virtual void TestTrimAll()
{
byte[] output = new byte[2];
byte[] input = new byte[] { 119, 111, 114, 100 };
// "word"
iText.IO.Codec.Brotli.Dec.Transform transform = new iText.IO.Codec.Brotli.Dec.Transform("[", iText.IO.Codec.Brotli.Dec.WordTransformType.OmitFirst5, "]");
iText.IO.Codec.Brotli.Dec.Transform.TransformDictionaryWord(output, 0, input, 0, input.Length, transform);
byte[] expectedOutput = new byte[] { 91, 93 };
// "[]"
NUnit.Framework.Assert.AreEqual(expectedOutput, output);
}
internal static int TransformDictionaryWord(byte[] dst, int dstOffset, byte[] word, int wordOffset, int len, iText.IO.Codec.Brotli.Dec.Transform transform)
{
int offset = dstOffset;
// Copy prefix.
byte[] @string = transform.prefix;
int tmp = @string.Length;
int i = 0;
// In most cases tmp < 10 -> no benefits from System.arrayCopy
while (i < tmp)
{
dst[offset++] = @string[i++];
}
// Copy trimmed word.
int op = transform.type;
tmp = iText.IO.Codec.Brotli.Dec.WordTransformType.GetOmitFirst(op);
if (tmp > len)
{
tmp = len;
}
wordOffset += tmp;
len -= tmp;
len -= iText.IO.Codec.Brotli.Dec.WordTransformType.GetOmitLast(op);
i = len;
while (i > 0)
{
dst[offset++] = word[wordOffset++];
i--;
}
if (op == iText.IO.Codec.Brotli.Dec.WordTransformType.UppercaseAll || op == iText.IO.Codec.Brotli.Dec.WordTransformType.UppercaseFirst)
{
int uppercaseOffset = offset - len;
if (op == iText.IO.Codec.Brotli.Dec.WordTransformType.UppercaseFirst)
{
len = 1;
}
while (len > 0)
{
tmp = dst[uppercaseOffset] & unchecked ((int)(0xFF));
if (tmp < unchecked ((int)(0xc0)))
{
if (tmp >= 'a' && tmp <= 'z')
{
dst[uppercaseOffset] ^= unchecked ((byte)32);
}
uppercaseOffset += 1;
len -= 1;
}
else if (tmp < unchecked ((int)(0xe0)))
{
dst[uppercaseOffset + 1] ^= unchecked ((byte)32);
uppercaseOffset += 2;
len -= 2;
}
else
{
dst[uppercaseOffset + 2] ^= unchecked ((byte)5);
uppercaseOffset += 3;
len -= 3;
}
}
}
// Copy suffix.
@string = transform.suffix;
tmp = @string.Length;
i = 0;
while (i < tmp)
{
dst[offset++] = @string[i++];
}
return(offset - dstOffset);
}
