ValidateNumber()

static void System.Text.Json.JsonWriterHelper.ValidateNumber ( ReadOnlySpan< byte > utf8FormattedNumber )

inlinestaticpackage

Definition at line 179 of file JsonWriterHelper.cs.

    {
        int i = 0;
        if (utf8FormattedNumber[i] == 45)
        {
            i++;
            if (utf8FormattedNumber.Length <= i)
            {
                throw new ArgumentException(System.SR.RequiredDigitNotFoundEndOfData, "utf8FormattedNumber");
            }
        }
        if (utf8FormattedNumber[i] == 48)
        {
            i++;
        }
        else
        {
            for (; i < utf8FormattedNumber.Length && JsonHelpers.IsDigit(utf8FormattedNumber[i]); i++)
            {
            }
        }
        if (i == utf8FormattedNumber.Length)
        {
            return;
        }
        byte b = utf8FormattedNumber[i];
        if (b == 46)
        {
            i++;
            if (utf8FormattedNumber.Length <= i)
            {
                throw new ArgumentException(System.SR.RequiredDigitNotFoundEndOfData, "utf8FormattedNumber");
            }
            for (; i < utf8FormattedNumber.Length && JsonHelpers.IsDigit(utf8FormattedNumber[i]); i++)
            {
            }
            if (i == utf8FormattedNumber.Length)
            {
                return;
            }
            b = utf8FormattedNumber[i];
        }
        if (b == 101 || b == 69)
        {
            i++;
            if (utf8FormattedNumber.Length <= i)
            {
                throw new ArgumentException(System.SR.RequiredDigitNotFoundEndOfData, "utf8FormattedNumber");
            }
            b = utf8FormattedNumber[i];
            if (b == 43 || b == 45)
            {
                i++;
            }
            if (utf8FormattedNumber.Length <= i)
            {
                throw new ArgumentException(System.SR.RequiredDigitNotFoundEndOfData, "utf8FormattedNumber");
            }
            for (; i < utf8FormattedNumber.Length && JsonHelpers.IsDigit(utf8FormattedNumber[i]); i++)
            {
            }
            if (i == utf8FormattedNumber.Length)
            {
                return;
            }
            throw new ArgumentException(System.SR.Format(System.SR.ExpectedEndOfDigitNotFound, ThrowHelper.GetPrintableString(utf8FormattedNumber[i])), "utf8FormattedNumber");
        }
        throw new ArgumentException(System.SR.Format(System.SR.ExpectedEndOfDigitNotFound, ThrowHelper.GetPrintableString(b)), "utf8FormattedNumber");
    }

References System.Text.Json.Dictionary, System.SR.ExpectedEndOfDigitNotFound, System.SR.Format(), System.Text.Json.ThrowHelper.GetPrintableString(), System.Text.Json.JsonHelpers.IsDigit(), and System.SR.RequiredDigitNotFoundEndOfData.

Referenced by System.Text.Json.Utf8JsonWriter.WriteNumberValue().