Function Escape

cpp/src/arrow/csv/writer.cc:170–178

Copies the contents of s to out properly escaping any necessary characters. Returns the position next to last copied character.

// Copies the contents of s to out properly escaping any necessary characters.
// Returns the position next to last copied character.
char* Escape(std::string_view s, char* out) {
  for (const char c : s) {
    *out++ = c;
    if (c == '"') {
      *out++ = '"';
    }
  }
  return out;
}

// Return the index of the first structural char in the input. A structural char
// is a character that needs quoting and/or escaping.