diff options
Diffstat (limited to 'upb/json/printer.h')
| -rw-r--r-- | upb/json/printer.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/upb/json/printer.h b/upb/json/printer.h index 3df7f4c..fbc206d 100644 --- a/upb/json/printer.h +++ b/upb/json/printer.h @@ -48,13 +48,22 @@ UPB_DEFINE_CLASS0(upb::json::Printer, , UPB_DEFINE_STRUCT0(upb_json_printer, upb_sink input_; - // Pointer to yajl_gen; void* here so we don't have to include YAJL headers. - void *yajl_gen_; + // BytesSink closure. void *subc_; upb_bytessink *output_; + // We track the depth so that we know when to emit startstr/endstr on the // output. int depth_; + // Have we emitted the first element? This state is necessary to emit commas + // without leaving a trailing comma in arrays/maps. We keep this state per + // frame depth. + // + // Why max_depth * 2? UPB_MAX_HANDLER_DEPTH counts depth as nested messages. + // We count frames (contexts in which we separate elements by commas) as both + // repeated fields and messages (maps), and the worst case is a + // message->repeated field->submessage->repeated field->... nesting. + bool first_elem_[UPB_MAX_HANDLER_DEPTH * 2]; )); UPB_BEGIN_EXTERN_C // { |