TryParseInt32N()

static bool System.Buffers.Text.Utf8Parser.TryParseInt32N ( ReadOnlySpan< byte > source, out int value, out int bytesConsumed )

inlinestaticprivate

Definition at line 2048 of file Utf8Parser.cs.

    {
        int num;
        int num2;
        int num4;
        int num3;
        if (source.Length >= 1)
        {
            num = 1;
            num2 = 0;
            num3 = source[num2];
            if (num3 == 45)
            {
                num = -1;
                num2++;
                if ((uint)num2 >= (uint)source.Length)
                {
                    goto IL_010a;
                }
                num3 = source[num2];
            }
            else if (num3 == 43)
            {
                num2++;
                if ((uint)num2 >= (uint)source.Length)
                {
                    goto IL_010a;
                }
                num3 = source[num2];
            }
            if (num3 != 46)
            {
                if (ParserHelpers.IsDigit(num3))
                {
                    num4 = num3 - 48;
                    while (true)
                    {
                        num2++;
                        if ((uint)num2 >= (uint)source.Length)
                        {
                            break;
                        }
                        num3 = source[num2];
                        if (num3 == 44)
                        {
                            continue;
                        }
                        if (num3 == 46)
                        {
                            goto IL_00e5;
                        }
                        if (!ParserHelpers.IsDigit(num3))
                        {
                            break;
                        }
                        if ((uint)num4 <= 214748364u)
                        {
                            num4 = num4 * 10 + num3 - 48;
                            if ((uint)num4 <= 2147483647L + (long)((-1 * num + 1) / 2))
                            {
                                continue;
                            }
                        }
                        goto IL_010a;
                    }
                    goto IL_0112;
                }
            }
            else
            {
                num4 = 0;
                num2++;
                if ((uint)num2 < (uint)source.Length && source[num2] == 48)
                {
                    goto IL_00e5;
                }
            }
        }
        goto IL_010a;
        IL_010a:
        bytesConsumed = 0;
        value = 0;
        return false;
        IL_0102:
        if (ParserHelpers.IsDigit(num3))
        {
            goto IL_010a;
        }
        goto IL_0112;
        IL_00e5:
        while (true)
        {
            num2++;
            if ((uint)num2 >= (uint)source.Length)
            {
                break;
            }
            num3 = source[num2];
            if (num3 == 48)
            {
                continue;
            }
            goto IL_0102;
        }
        goto IL_0112;
        IL_0112:
        bytesConsumed = num2;
        value = num4 * num;
        return true;
    }

References System.Buffers.Text.ParserHelpers.IsDigit(), System.L, System.source, and System.value.

Referenced by System.Buffers.Text.Utf8Parser.TryParse().