protected static int s_C128QueryCharSet(int iStartCharSet, char[] acText, int cc, int ind, IntRef IndInPair)
{
int num = iStartCharSet;
int num2 = num;
int num3 = 0;
int num4 = 0;
bool flag = false;
for (int i = 0; i < ind; i++)
{
if (i == cc)
{
return(-1);
}
num = num2;
if (flag)
{
num2 = (num2 == 0) ? 1 : 0;
}
flag = false;
num3 = num4;
char ch = acText[i];
if ((ch & '\x0080') == 0)
{
switch (num)
{
case 2:
if ((ch < '0') || (ch > '9'))
{
return(-1);
}
num4 = (num3 == 0) ? 1 : 0;
break;
}
}
else
{
ch &= (char)0xff7f;
switch (num)
{
case 0:
switch (ch)
{
case 'c':
goto Label_00BB;
case 'd':
goto Label_00C1;
case 'b':
goto Label_00C5;
}
break;
case 1:
if (ch == 'b')
{
goto Label_00E8;
}
if (ch != 'c')
{
goto Label_00DE;
}
num2 = 2;
num4 = 0;
break;
case 2:
if (num3 != 0)
{
return(-1);
}
if (ch != 'd')
{
goto Label_00FC;
}
num2 = 1;
break;
}
}
continue;
Label_00BB:
num2 = 2;
num4 = 0;
continue;
Label_00C1:
num2 = 1;
continue;
Label_00C5:
num2 = 1;
flag = true;
continue;
Label_00DE:
if (ch == 'e')
{
num2 = 0;
}
continue;
Label_00E8:
num2 = 0;
flag = true;
continue;
Label_00FC:
if (ch == 'e')
{
num2 = 0;
}
else
{
if (ch != 'f')
{
return(-1);
}
num4 = 0;
num2 = 2;
}
}
if (num2 == 2)
{
IndInPair.value = num4;
return(num2);
}
IndInPair.value = 0;
return(num2);
}
public override char[] ValidateData(char[] data, int cc)
{
int num;
IntRef indInPair = new IntRef();
switch (base.bdType)
{
case BarcodeType.EAN128A:
case BarcodeType.CODE128A:
num = 0;
break;
case BarcodeType.EAN128B:
case BarcodeType.CODE128B:
num = 1;
break;
case BarcodeType.EAN128C:
case BarcodeType.CODE128C:
num = 2;
break;
default:
return(null);
}
for (int i = 0; i < cc; i++)
{
int num3;
int index = s_C128QueryCharSet(num, data, cc, i, indInPair);
char ch = data[i];
if ((ch & '\x0080') != 0)
{
ch &= (char)0xff7f;
switch (index)
{
case 0:
{
if (((ch < '\0') || (ch > '\x001f')) && ((ch < '`') || (ch > 'f')))
{
return(null);
}
continue;
}
case 1:
{
if ((ch != '\x007f') && ((ch < '`') || (ch > 'f')))
{
return(null);
}
continue;
}
case 2:
if (((ch >= 'd') && (ch <= 'f')) && (indInPair.value == 0))
{
continue;
}
return(null);
}
return(null);
}
switch (index)
{
case 0:
case 1:
num3 = 0;
goto Label_0136;
case 2:
goto Label_0142;
default:
return(null);
}
Label_011A:
if (ch == base.bdCharset[index][5 + num3]._BCGETCHARCODE())
{
goto Label_013B;
}
num3++;
Label_0136:
if (num3 < 0x60)
{
goto Label_011A;
}
Label_013B:
if (num3 >= 0x60)
{
return(null);
}
continue;
Label_0142:
if ((indInPair.value == 0) && (i == (cc - 1)))
{
return(null);
}
if ((ch < '0') || (ch > '9'))
{
return(null);
}
}
char[] chArray = new char[cc + 1];
Array.Copy(data, 0, chArray, 0, cc);
chArray[cc] = this.CalcCheckChar(data, cc);
return(chArray);
}
protected static char s_C128CheckChar(int iStartCharSet, bool b2StartChars, char[] text, int cc)
{
int num = 0;
IntRef indInPair = new IntRef();
if (iStartCharSet == 0)
{
num += 0x67;
}
else if (iStartCharSet == 1)
{
num += 0x68;
}
else if (iStartCharSet == 2)
{
num += 0x69;
}
int num2 = 1;
if (b2StartChars)
{
num += 0x66 * num2;
num2++;
}
for (int i = 0; i < cc; i++)
{
char ch = text[i];
if ((ch & '\x0080') != 0)
{
ch &= (char)0xff7f;
num += ch * num2;
num2++;
}
else
{
int num4 = s_C128QueryCharSet(iStartCharSet, text, text.Length, i, indInPair);
if (num4 == 0)
{
if (ch <= '\x001f')
{
num += (ch + '@') * num2;
}
else if (ch <= '_')
{
num += (ch - ' ') * num2;
}
num2++;
}
else if (num4 == 1)
{
num += (ch - ' ') * num2;
num2++;
}
else if ((num4 == 2) && (indInPair.value == 0))
{
num += (((text[i] - '0') * 10) + (text[i + 1] - '0')) * num2;
num2++;
}
}
}
return((char)((num % 0x67) + 0x80));
}