diff options
Diffstat (limited to 'upb/pb/decoder.h')
| -rw-r--r-- | upb/pb/decoder.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/upb/pb/decoder.h b/upb/pb/decoder.h index 586d2d5..0aa35ec 100644 --- a/upb/pb/decoder.h +++ b/upb/pb/decoder.h @@ -1,11 +1,18 @@ /* * upb - a minimalist implementation of protocol buffers. * - * Copyright (c) 2009-2013 Google Inc. See LICENSE for details. + * Copyright (c) 2009-2014 Google Inc. See LICENSE for details. * Author: Josh Haberman <jhaberman@gmail.com> * * upb::pb::Decoder implements a high performance, streaming, resumable decoder * for the binary protobuf format. + * + * This interface works the same regardless of what decoder backend is being + * used. A client of this class does not need to know whether decoding is using + * a JITted decoder (DynASM, LLVM, etc) or an interpreted decoder. By default, + * it will always use the fastest available decoder. However, you can call + * set_allow_jit(false) to disable any JIT decoder that might be available. + * This is primarily useful for testing purposes. */ #ifndef UPB_DECODER_H_ @@ -200,6 +207,15 @@ class upb::pb::Decoder { // Resets the state of the decoder. void Reset(); + // Returns number of bytes successfully parsed. + // + // This can be useful for determining the stream position where an error + // occurred. + // + // This value may not be up-to-date when called from inside a parsing + // callback. + uint64_t BytesParsed() const; + // Resets the output sink of the Decoder. // The given sink must match method()->dest_handlers(). // @@ -332,6 +348,7 @@ void upb_pbdecoder_reset(upb_pbdecoder *d); const upb_pbdecodermethod *upb_pbdecoder_method(const upb_pbdecoder *d); bool upb_pbdecoder_resetoutput(upb_pbdecoder *d, upb_sink *sink); upb_bytessink *upb_pbdecoder_input(upb_pbdecoder *d); +uint64_t upb_pbdecoder_bytesparsed(const upb_pbdecoder *d); void upb_pbdecodermethodopts_init(upb_pbdecodermethodopts *opts, const upb_handlers *h); @@ -400,6 +417,9 @@ inline const DecoderMethod* Decoder::method() const { inline void Decoder::Reset() { upb_pbdecoder_reset(this); } +inline uint64_t Decoder::BytesParsed() const { + return upb_pbdecoder_bytesparsed(this); +} inline bool Decoder::ResetOutput(Sink* sink) { return upb_pbdecoder_resetoutput(this, sink); } |