Function parse_string

nodedb-sql/src/parser/object_literal.rs:95–129

(chars: &[char], pos: &mut usize)

}

fn parse_string(chars: &[char], pos: &mut usize) -> Result<String, SqlError> {
    // Expect opening single-quote
    if *pos >= chars.len() || chars[*pos] != '\'' {
        return Err(SqlError::Parse {
            detail: format!(
                "expected single quote at position {}, found {:?}",
                pos,
                chars.get(*pos)
            ),
        });
    }
    *pos += 1; // consume opening quote
    let mut s = String::new();
    loop {
        if *pos >= chars.len() {
            return Err(SqlError::Parse {
                detail: "unterminated string literal".to_string(),
            });
        }
        if chars[*pos] == '\'' {
            *pos += 1; // consume quote
            // SQL escaped quote: '' → '
            if *pos < chars.len() && chars[*pos] == '\'' {
                s.push('\'');
                *pos += 1;
            } else {
                break; // end of string
            }
        } else {
            s.push(chars[*pos]);
            *pos += 1;
        }
    }
    Ok(s)
}

fn parse_double_quoted_string(chars: &[char], pos: &mut usize) -> Result<String, SqlError> {
    if *pos >= chars.len() || chars[*pos] != '"' {