private static bool CanBePrimaryComposite(int i)
{
if (i >= 13312 && i <= 40891)
{
return(Normalization.GetPrimaryCompositeHelperIndex(i) != 0);
}
return((Normalization.PropValue(i) & 128u) != 0u);
}
private unsafe static void Combine(StringBuilder sb, int start, int checkType)
{
for (int i = start; i < sb.Length; i++)
{
if (Normalization.QuickCheck(sb[i], checkType) != NormalizationCheck.Yes)
{
int num = i;
while (i > 0)
{
if (Normalization.GetCombiningClass((int)sb[i]) == 0)
{
break;
}
i--;
}
int num2 = 0;
while (i < num)
{
num2 = Normalization.GetPrimaryCompositeMapIndex(sb, (int)sb[i], i);
if (num2 > 0)
{
break;
}
i++;
}
if (num2 == 0)
{
i = num;
}
else
{
int primaryCompositeFromMapIndex = Normalization.GetPrimaryCompositeFromMapIndex(num2);
int normalizedStringLength = Normalization.GetNormalizedStringLength(primaryCompositeFromMapIndex);
if (primaryCompositeFromMapIndex == 0 || normalizedStringLength == 0)
{
throw new SystemException("Internal error: should not happen. Input: " + sb);
}
int j = 0;
sb.Insert(i++, (char)primaryCompositeFromMapIndex);
while (j < normalizedStringLength)
{
if ((int)sb[i] == Normalization.mappedChars[num2 + j])
{
sb.Remove(i, 1);
j++;
}
else
{
i++;
}
}
i = num - 1;
}
}
}
}
public static string Normalize(string source, int type)
{
switch (type)
{
case 1:
case 3:
return(Normalization.Decompose(source, type));
default:
return(Normalization.Compose(source, type));
}
}
private static int GetPrimaryCompositeMapIndex(object o, int cur, int bufferPos)
{
if ((Normalization.PropValue(cur) & 64u) != 0u)
{
return(0);
}
if (Normalization.GetCombiningClass(cur) != 0)
{
return(0);
}
return(Normalization.GetPrimaryCompositeCharIndex(o, bufferPos));
}
public unsafe static void GetCanonical(int c, int[] buf, int bufIdx)
{
if (!Normalization.GetCanonicalHangul(c, buf, bufIdx))
{
int num = Normalization.CharMapIdx(c);
while (Normalization.mappedChars[num] != 0)
{
buf[bufIdx++] = Normalization.mappedChars[num];
num++;
}
buf[bufIdx] = 0;
}
}
private static StringBuilder Combine(string source, int start, int checkType)
{
for (int i = 0; i < source.Length; i++)
{
if (Normalization.QuickCheck(source[i], checkType) != NormalizationCheck.Yes)
{
StringBuilder stringBuilder = new StringBuilder(source.Length + source.Length / 10);
stringBuilder.Append(source);
Normalization.Combine(stringBuilder, i, checkType);
return(stringBuilder);
}
}
return(null);
}
private static string Compose(string source, int checkType)
{
StringBuilder stringBuilder = null;
Normalization.Decompose(source, ref stringBuilder, checkType);
if (stringBuilder == null)
{
stringBuilder = Normalization.Combine(source, 0, checkType);
}
else
{
Normalization.Combine(stringBuilder, 0, checkType);
}
return((stringBuilder == null) ? source : stringBuilder.ToString());
}
public static bool IsNormalized(string source, int type)
{
int num = -1;
for (int i = 0; i < source.Length; i++)
{
int num2 = (int)Normalization.GetCombiningClass((int)source[i]);
if (num2 != 0 && num2 < num)
{
return(false);
}
num = num2;
switch (Normalization.QuickCheck(source[i], type))
{
case NormalizationCheck.No:
return(false);
case NormalizationCheck.Maybe:
{
switch (type)
{
case 0:
case 2:
return(source == Normalization.Normalize(source, type));
}
int num3 = i;
while (i > 0)
{
if (Normalization.GetCombiningClass((int)source[i]) == 0)
{
break;
}
i--;
}
while (i < num3)
{
if (Normalization.GetPrimaryCompositeCharIndex(source, i) != 0)
{
return(false);
}
i++;
}
break;
}
}
}
return(true);
}
private static void Decompose(string source, ref StringBuilder sb, int checkType)
{
int[] array = null;
int num = 0;
for (int i = 0; i < source.Length; i++)
{
if (Normalization.QuickCheck(source[i], checkType) == NormalizationCheck.No)
{
Normalization.DecomposeChar(ref sb, ref array, source, i, ref num);
}
}
if (sb != null)
{
sb.Append(source, num, source.Length - num);
}
Normalization.ReorderCanonical(source, ref sb, 1);
}
unsafe static Normalization()
{
object obj = Normalization.forLock;
lock (obj)
{
IntPtr value;
IntPtr value2;
IntPtr value3;
IntPtr value4;
IntPtr value5;
IntPtr value6;
Normalization.load_normalization_resource(out value, out value2, out value3, out value4, out value5, out value6);
Normalization.props = (byte *)((void *)value);
Normalization.mappedChars = (int *)((void *)value2);
Normalization.charMapIndex = (short *)((void *)value3);
Normalization.helperIndex = (short *)((void *)value4);
Normalization.mapIdxToComposite = (ushort *)((void *)value5);
Normalization.combiningClass = (byte *)((void *)value6);
}
Normalization.isReady = true;
}
private unsafe static int GetPrimaryCompositeCharIndex(object chars, int start)
{
string text = chars as string;
StringBuilder stringBuilder = chars as StringBuilder;
char c = (text == null) ? stringBuilder[start] : text[start];
int num = (stringBuilder == null) ? text.Length : stringBuilder.Length;
int num2 = Normalization.GetPrimaryCompositeHelperIndex((int)c);
if (num2 == 0)
{
return(0);
}
while (Normalization.mappedChars[num2] == (int)c)
{
int num3 = 0;
int num4 = 1;
int num5 = 1;
for (;;)
{
int num6 = num3;
if (Normalization.mappedChars[num2 + num4] == 0)
{
return(num2);
}
if (start + num4 >= num)
{
return(0);
}
bool flag = false;
char c2;
do
{
c2 = ((text == null) ? stringBuilder[start + num5] : text[start + num5]);
num3 = (int)Normalization.GetCombiningClass((int)c2);
if (Normalization.mappedChars[num2 + num4] == (int)c2)
{
goto Block_7;
}
if (num3 < num6)
{
break;
}
}while (++num5 + start < num && num3 != 0);
IL_105:
if (!flag)
{
if (num6 >= num3)
{
break;
}
num5--;
if (Normalization.mappedChars[num2 + num4] != (int)c2)
{
break;
}
}
num4++;
num5++;
continue;
Block_7:
flag = true;
goto IL_105;
}
while (Normalization.mappedChars[num4] != 0)
{
num4++;
}
num2 += num4 + 1;
}
return(0);
}
