[GitHub] [arrow] pitrou commented on pull request #11863: ARROW-14906: [C++] Enable CSV Writer to control the type of escape used for quoting

[GitBox <gi...@apache.org>]

pitrou commented on PR #11863:
URL: https://github.com/apache/arrow/pull/11863#issuecomment-1103950027

   Let me suggest the following API:
   ```c++
     /// \brief Quoting style
     QuotingStyle quoting_style = QuotingStyle::Needed;
   
     /// Whether a quote inside a quoted value is double-quoted (if true)
     /// or escaped using the `escape_char` (if false).
     bool double_quote = true;
   
     /// Escaping character for non-quoted fields.
     char escape_char = kDefaultEscapeChar;
   ```
   
   with the following semantics:
   * if in a quoted field and `double_quote` is true, a quote in a value is double-quoted (i.e. becomes `""`)
   * if in a quoted field and `double_quote` is false, a quote in a value is escape (e.g. becomes `\"` for the default escape char)
   * if in a non-quoted field, any special character (quote, field delimiter, end of line character) is escaped using the escape char
   
   


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