ConsumeStringAndValidate()

bool System.Text.Json.Utf8JsonReader.ConsumeStringAndValidate ( ReadOnlySpan< byte > data, int idx )

inlineprivate

Definition at line 930 of file Utf8JsonReader.cs.

    {
        long bytePositionInLine = _bytePositionInLine;
        long lineNumber = _lineNumber;
        _bytePositionInLine += idx + 1;
        bool flag = false;
        while (true)
        {
            if (idx < data.Length)
            {
                byte b = data[idx];
                if (b == 34)
                {
                    if (!flag)
                    {
                        break;
                    }
                    flag = false;
                }
                else if (b == 92)
                {
                    flag = !flag;
                }
                else if (flag)
                {
                    int num = JsonConstants.EscapableChars.IndexOf(b);
                    if (num == -1)
                    {
                        ThrowHelper.ThrowJsonReaderException(ref this, ExceptionResource.InvalidCharacterAfterEscapeWithinString, b);
                    }
                    if (b == 117)
                    {
                        _bytePositionInLine++;
                        if (!ValidateHexDigits(data, idx + 1))
                        {
                            idx = data.Length;
                            goto IL_00e5;
                        }
                        idx += 4;
                    }
                    flag = false;
                }
                else if (b < 32)
                {
                    ThrowHelper.ThrowJsonReaderException(ref this, ExceptionResource.InvalidCharacterWithinString, b);
                }
                _bytePositionInLine++;
                idx++;
                continue;
            }
            goto IL_00e5;
            IL_00e5:
            if (idx < data.Length)
            {
                break;
            }
            if (IsLastSpan)
            {
                ThrowHelper.ThrowJsonReaderException(ref this, ExceptionResource.EndOfStringNotFound, 0);
            }
            _lineNumber = lineNumber;
            _bytePositionInLine = bytePositionInLine;
            return false;
        }
        _bytePositionInLine++;
        ValueSpan = data.Slice(0, idx);
        _stringHasEscaping = true;
        _tokenType = JsonTokenType.String;
        _consumed += idx + 2;
        return true;
    }

References System.Text.Json.Utf8JsonReader._bytePositionInLine, System.Text.Json.Utf8JsonReader._consumed, System.Text.Json.Utf8JsonReader._lineNumber, System.Text.Json.Utf8JsonReader._stringHasEscaping, System.Text.Json.Utf8JsonReader._tokenType, System.Text.Json.Dictionary, System.Text.Json.JsonConstants.EscapableChars, System.Text.Json.Utf8JsonReader.IsLastSpan, System.ReadOnlySpan< T >.Length, System.ReadOnlySpan< T >.Slice(), System.Text.Json.ThrowHelper.ThrowJsonReaderException(), System.Text.Json.Utf8JsonReader.ValidateHexDigits(), and System.Text.Json.Utf8JsonReader.ValueSpan.

Referenced by System.Text.Json.Utf8JsonReader.ConsumeString().