public static SqlOffsetSpec Create(SqlNumberLiteral sqlNumberLiteral)
{
if (sqlNumberLiteral == null)
{
throw new ArgumentNullException(nameof(sqlNumberLiteral));
}
long value;
if (!sqlNumberLiteral.Value.IsInteger)
{
throw new ArgumentOutOfRangeException($"Expected {nameof(sqlNumberLiteral)} to be an integer.");
}
value = Number64.ToLong(sqlNumberLiteral.Value);
if (value < PremadeOffsetIndex && value >= 0)
{
return(SqlOffsetSpec.PremadeOffsetSpecs[value]);
}
SqlScalarExpression offsetExpression = SqlLiteralScalarExpression.Create(
SqlNumberLiteral.Create(
value));
return(new SqlOffsetSpec(offsetExpression));
}
public override int Visit(SqlNumberLiteral sqlNumberLiteral)
{
int hashCode = SqlNumberLiteralHashCode;
hashCode = CombineHashes(hashCode, sqlNumberLiteral.Value.GetHashCode());
return(hashCode);
}
public static SqlNumberLiteral Create(long number)
{
SqlNumberLiteral sqlNumberLiteral;
if (!SqlNumberLiteral.FrequentLongs.TryGetValue(number, out sqlNumberLiteral))
{
sqlNumberLiteral = new SqlNumberLiteral(number);
}
return(sqlNumberLiteral);
}
public static SqlNumberLiteral Create(Number64 number64)
{
SqlNumberLiteral sqlNumberLiteral;
if (number64.IsDouble)
{
if (!SqlNumberLiteral.FrequentDoubles.TryGetValue(Number64.ToDouble(number64), out sqlNumberLiteral))
{
sqlNumberLiteral = new SqlNumberLiteral(number64);
}
}
else
{
if (!SqlNumberLiteral.FrequentLongs.TryGetValue(Number64.ToLong(number64), out sqlNumberLiteral))
{
sqlNumberLiteral = new SqlNumberLiteral(number64);
}
}
return(sqlNumberLiteral);
}
public override void Visit(SqlNumberLiteral sqlNumberLiteral)
{
// We have to use InvariantCulture due to number formatting.
// "1234.1234" is correct while "1234,1234" is incorrect.
if (sqlNumberLiteral.Value.IsDouble)
{
string literalString = sqlNumberLiteral.Value.ToString(CultureInfo.InvariantCulture);
double literalValue = 0.0;
if (!sqlNumberLiteral.Value.IsNaN &&
!sqlNumberLiteral.Value.IsInfinity &&
(!double.TryParse(literalString, NumberStyles.Number, CultureInfo.InvariantCulture, out literalValue) ||
!Number64.ToDouble(sqlNumberLiteral.Value).Equals(literalValue)))
{
literalString = sqlNumberLiteral.Value.ToString("G17", CultureInfo.InvariantCulture);
}
this.writer.Write(literalString);
}
else
{
this.writer.Write(sqlNumberLiteral.Value.ToString(CultureInfo.InvariantCulture));
}
}
public override SqlObject Visit(SqlTopSpec sqlTopSpec)
{
return(SqlTopSpec.Create(SqlNumberLiteral.Create(0)));
}
public override SqlObject Visit(SqlNumberLiteral sqlNumberLiteral)
{
return(SqlNumberLiteral.Create(
Number64.ToDouble(
this.GetObfuscatedNumber(sqlNumberLiteral.Value))));
}
public abstract void Visit(SqlNumberLiteral literal);
public override void Visit(SqlNumberLiteral sqlNumberLiteral)
{
SqlObjectTextSerializer.WriteNumber64(this.writer.GetStringBuilder(), sqlNumberLiteral.Value);
}
public override void Visit(SqlNumberLiteral sqlNumberLiteral)
{
// We have to use InvariantCulture due to number formatting.
// "1234.1234" is correct while "1234,1234" is incorrect.
this.writer.Write(sqlNumberLiteral.Value.ToString(CultureInfo.InvariantCulture));
}
private SqlNumberPathExpression(SqlPathExpression parentPath, SqlNumberLiteral value)
: base(SqlObjectKind.NumberPathExpression, parentPath)
{
this.Value = value;
}
public static SqlNumberPathExpression Create(SqlPathExpression parentPath, SqlNumberLiteral value)
{
return(new SqlNumberPathExpression(parentPath, value));
}
public override void Visit(SqlNumberLiteral sqlNumberLiteral)
{
this.writer.Write(sqlNumberLiteral.ToString());
}
