static void ToString(FormatArgument value)
{
temp.Clear();
if (value.Type == typeof(int))
{
int digits = ParseIntFormat();
temp.Append(value.Int, digits);
}
else if (value.Type == typeof(uint))
{
int digits = ParseIntFormat();
temp.Append(value.UInt, digits);
}
else if (value.Type == typeof(char))
{
temp.Append(value.Char);
}
else if (value.Type == typeof(string))
{
temp.Append(value.String);
}
else if (value.Type == null)
{
throw new IndexOutOfRangeException();
}
else
{
throw new NotSupportedException();
}
}
public static void Write(string format,
FormatArgument arg0,
FormatArgument arg1 = default(FormatArgument),
FormatArgument arg2 = default(FormatArgument),
FormatArgument arg3 = default(FormatArgument),
FormatArgument arg4 = default(FormatArgument),
FormatArgument arg5 = default(FormatArgument),
FormatArgument arg6 = default(FormatArgument))
{
StringFormat.Format(format, arg0, arg1, arg2, arg3, arg4, arg5, arg6);
for (int i = 0; i < StringFormat.Buffer.Length; i++)
{
Write(StringFormat.Buffer[i]);
}
}
public static void Format(string format, FormatArgument arg0, FormatArgument arg1, FormatArgument arg2, FormatArgument arg3, FormatArgument arg4, FormatArgument arg5, FormatArgument arg6)
{
Buffer.Clear();
int pos = 0;
while (pos < format.Length)
{
char ch = format[pos++];
if (ch == '{')
{
int arg = 0;
ch = format[pos++];
if (ch < '0' || ch > '9')
{
throw new FormatException();
}
do
{
arg = arg * 10 + ch - '0';
ch = format[pos++];
} while (ch >= '0' && ch <= '9');
FormatArgument value;
switch (arg)
{
case 0:
value = arg0;
break;
case 1:
value = arg1;
break;
case 2:
value = arg2;
break;
case 3:
value = arg3;
break;
case 4:
value = arg4;
break;
case 5:
value = arg5;
break;
case 6:
value = arg6;
break;
default:
throw new FormatException();
}
bool neg = false;
int width = 0;
//padding (optional)
if (ch == ',')
{
ch = format[pos++];
if (ch == '-')
{
neg = true;
ch = format[pos++];
}
if (ch < '0' || ch > '9')
{
throw new FormatException();
}
do
{
width = width * 10 + ch - '0';
ch = format[pos++];
} while (ch >= '0' && ch <= '9');
if (neg)
{
width = -width;
}
}
//format arguments (optional)
args.Clear();
if (ch == ':')
{
ch = format[pos++];
if (ch == '}')
{
throw new FormatException();
}
do
{
args.Append(ch);
ch = format[pos++];
}while(ch != '}');
}
if (ch != '}')
{
throw new FormatException();
}
ToString(value);
//padding left
if (width > 0)
{
Buffer.Append(' ', width - temp.Length);
}
Buffer.Append(temp);
//padding right
if (width < 0)
{
Buffer.Append(' ', -width - temp.Length);
}
}
else if (ch == '}')
{
throw new FormatException();
}
else
{
Buffer.Append(ch);
}
}
}