Method decode_fallback

crates/jiter/src/string_decoder.rs:224–248

(
        data: &[u8],
        mut index: usize,
        mut ascii_only: bool,
        allow_partial: bool,
    )

impl StringChunk {
    #[inline(always)]
    pub fn decode_fallback(
        data: &[u8],
        mut index: usize,
        mut ascii_only: bool,
        allow_partial: bool,
    ) -> JsonResult<(Self, bool, usize)> {
        while let Some(next) = data.get(index) {
            if !JSON_ASCII[*next as usize] {
                match &CHAR_TYPE[*next as usize] {
                    CharType::Quote => return Ok((Self::StringEnd, ascii_only, index)),
                    CharType::Backslash => return Ok((Self::Backslash, ascii_only, index)),
                    CharType::ControlChar => return json_err!(ControlCharacterWhileParsingString, index),
                    CharType::Other => {
                        ascii_only = false;
                    }
                }
            }
            index += 1;
        }
        if allow_partial {
            Ok((Self::StringEnd, ascii_only, index))
        } else {
            json_err!(EofWhileParsingString, index)
        }
    }

    /// decode an array (generally from SIMD) return the result of the chunk, or none if the non-ascii character
    /// is just > \x7F (127)