public string Describe(int number, ZeroMode zeroMode)
{
var builder = new StringBuilder();
var useAnd = false;
var thousands = number / 1000;
number %= 1000;
var hundreds = number / 100;
number %= 100;
var tens = number / 10;
number %= 10;
if (thousands > 0)
{
builder.Append(Describe(thousands, zeroMode));
builder.Append(" ");
builder.Append(_numberTokens[28]);
useAnd = true;
}
if (hundreds > 0)
{
if (useAnd)
{
builder.Append(" ");
}
builder.Append(Describe(hundreds, zeroMode));
builder.Append(" ");
builder.Append(_numberTokens[27]);
useAnd = true;
}
if (tens > 1)
{
if (useAnd)
{
builder.Append(" and ");
}
builder.Append(_numberTokens[19 + tens - 2]);
useAnd = false;
if (number == 0)
{
return(builder.ToString());
}
builder.Append(" ");
}
else if (tens == 1)
{
number += 10;
}
if (useAnd)
{
if (number == 0)
{
return(builder.ToString());
}
builder.Append(" and ");
}
builder.Append(number == 0
? _zeroTokens[(int)zeroMode + 1]
: _numberTokens[number - 1]);
return(builder.ToString());
}
public void GivenTheZeroModeIs(ZeroMode zeroMode)
{
_zeroMode = zeroMode;
}