private void ConvertBus(EnumerationSystem _old, EnumerationSystem _new)
{
if (Text.Length == 0)
{
return;
}
int num = 0;
switch (_old)
{
case EnumerationSystem.Bin:
num = Convert.ToInt32(Text, 2);
break;
case EnumerationSystem.Dec:
num = Convert.ToInt32(Text, 10);
break;
case EnumerationSystem.Hex:
num = Convert.ToInt32(Text, 16);
break;
case EnumerationSystem.Oct:
num = Convert.ToInt32(Text, 8);
break;
default:
break;
}
switch (_new)
{
case EnumerationSystem.Bin:
Text = Convert.ToString(num, 2);
break;
case EnumerationSystem.Dec:
Text = Convert.ToString(num, 10);
break;
case EnumerationSystem.Hex:
Text = Convert.ToString(num, 16);
break;
case EnumerationSystem.Oct:
Text = Convert.ToString(num, 8);
break;
default:
break;
}
}
/// <summary>
/// Распарсивание переменной Integer в VCD формате
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static VHDLIntegerValue ToInteger_VALUE(string text)
{
if (string.IsNullOrEmpty(text) == true)
{
throw new Exception("String is null or empty");
}
EnumerationSystem bus = EnumerationSystem.Bin;
int bus_int = 0;
switch (text[0])
{
case 'b':
bus = EnumerationSystem.Bin;
bus_int = 2;
break;
case 'o':
bus = EnumerationSystem.Oct;
bus_int = 8;
break;
case 'd':
bus = EnumerationSystem.Dec;
bus_int = 10;
break;
case 'h':
bus = EnumerationSystem.Hex;
bus_int = 16;
break;
default:
throw new Exception("Invalid enumeration system");
}
int pow = 1;
int res = 0;
for (int i = text.Length - 1; i >= 1; i--)
{
int num = CharToInt(text[i], bus);
res += num * pow;
pow *= bus_int;
}
return(new VHDLIntegerValue(res));
}
/// <summary>
/// Перевод одного символа в число
/// </summary>
/// <param name="symbol"></param>
/// <param name="bus"></param>
/// <returns></returns>
public static Int32 CharToInt(char symbol, EnumerationSystem bus)
{
Int32 res = 0;
switch (symbol)
{
case '0':
res = 0;
break;
case '1':
res = 1;
break;
case '2':
res = 2;
break;
case '3':
res = 3;
break;
case '4':
res = 4;
break;
case '5':
res = 5;
break;
case '6':
res = 6;
break;
case '7':
res = 7;
break;
case '8':
res = 8;
break;
case '9':
res = 9;
break;
case 'A':
res = 10;
break;
case 'B':
res = 11;
break;
case 'C':
res = 12;
break;
case 'D':
res = 13;
break;
case 'E':
res = 14;
break;
case 'F':
res = 15;
break;
default:
throw new Exception("Invalid character");
}
switch (bus)
{
case EnumerationSystem.Bin:
if ((res == 0) || (res == 1))
{
return(res);
}
break;
case EnumerationSystem.Oct:
if ((res >= 0) && (res <= 7))
{
return(res);
}
break;
case EnumerationSystem.Dec:
if ((res >= 0) && (res <= 9))
{
return(res);
}
break;
case EnumerationSystem.Hex:
if ((res >= 0) && (res <= 15))
{
return(res);
}
break;
}
throw new Exception("Parsing failed");
}