| 230 | } |
| 231 | |
| 232 | GANDIVA_EXPORT |
| 233 | const char* gdv_fn_base64_encode_binary(int64_t context, const char* in, int32_t in_len, |
| 234 | int32_t* out_len) { |
| 235 | if (in_len < 0) { |
| 236 | gdv_fn_context_set_error_msg(context, "Buffer length cannot be negative"); |
| 237 | *out_len = 0; |
| 238 | return ""; |
| 239 | } |
| 240 | if (in_len == 0) { |
| 241 | *out_len = 0; |
| 242 | return ""; |
| 243 | } |
| 244 | // use arrow method to encode base64 string |
| 245 | std::string encoded_str = arrow::util::base64_encode(std::string_view(in, in_len)); |
| 246 | *out_len = static_cast<int32_t>(encoded_str.length()); |
| 247 | // allocate memory for response |
| 248 | char* ret = reinterpret_cast<char*>( |
| 249 | gdv_fn_context_arena_malloc(context, static_cast<int32_t>(*out_len))); |
| 250 | if (ret == nullptr) { |
| 251 | gdv_fn_context_set_error_msg(context, "Could not allocate memory"); |
| 252 | *out_len = 0; |
| 253 | return ""; |
| 254 | } |
| 255 | memcpy(ret, encoded_str.data(), *out_len); |
| 256 | return ret; |
| 257 | } |
| 258 | |
| 259 | GANDIVA_EXPORT |
| 260 | const char* gdv_fn_base64_decode_utf8(int64_t context, const char* in, int32_t in_len, |