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Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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protobuf/upb/bytestream.h

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Split upb_stream -> upb_bytestream/upb_handlers.
14 years ago
/*
* upb - a minimalist implementation of protocol buffers.
*
Synced with 3 months of Google-internal development. Major changes: - Got rid of all bytestream interfaces in favor of using regular handlers. - new Pipeline object represents a upb pipeline, does bump allocation internally to manage memory. - proto2 support now can handle extensions.
12 years ago
* Copyright (c) 2013 Google Inc. See LICENSE for details.
Split upb_stream -> upb_bytestream/upb_handlers.
14 years ago
* Author: Josh Haberman <jhaberman@gmail.com>
*
Synced with 3 months of Google-internal development. Major changes: - Got rid of all bytestream interfaces in favor of using regular handlers. - new Pipeline object represents a upb pipeline, does bump allocation internally to manage memory. - proto2 support now can handle extensions.
12 years ago
* This file contains the standard ByteStream msgdef and some useful routines
* surrounding it.
Major refactoring: upb_string is gone in favor of upb_strref.
14 years ago
*
Synced with 3 months of Google-internal development. Major changes: - Got rid of all bytestream interfaces in favor of using regular handlers. - new Pipeline object represents a upb pipeline, does bump allocation internally to manage memory. - proto2 support now can handle extensions.
12 years ago
* This is a mixed C/C++ interface that offers a full API to both languages.
* See the top-level README for more information.
Split upb_stream -> upb_bytestream/upb_handlers.
14 years ago
*/
Synced with 3 months of Google-internal development. Major changes: - Got rid of all bytestream interfaces in favor of using regular handlers. - new Pipeline object represents a upb pipeline, does bump allocation internally to manage memory. - proto2 support now can handle extensions.
12 years ago
#ifndef UPB_BYTESTREAM_H_
#define UPB_BYTESTREAM_H_
Refinement of upb_bytesrc interface. Added a upb_byteregion that tracks a region of the input buffer; decoders use this instead of using a upb_bytesrc directly. upb_byteregion is also used as the way of passing a string to a upb_handlers callback. This symmetry makes decoders compose better; if you want to take a parsed string and decode it as something else, you can take the string directly from the callback and feed it as input to another parser. A commented-out version of a pinning interface is present; I decline to actually implement it (and accept its extra complexity) until/unless it is clear that it is actually a win. But it is included as a proof-of-concept, to show that it fits well with the existing interface.
13 years ago
Synced with 3 months of Google-internal development. Major changes: - Got rid of all bytestream interfaces in favor of using regular handlers. - new Pipeline object represents a upb pipeline, does bump allocation internally to manage memory. - proto2 support now can handle extensions.
12 years ago
#include "upb/sink.h"
#include "upb/bytestream.upb.h"
Refinement of upb_bytesrc interface. Added a upb_byteregion that tracks a region of the input buffer; decoders use this instead of using a upb_bytesrc directly. upb_byteregion is also used as the way of passing a string to a upb_handlers callback. This symmetry makes decoders compose better; if you want to take a parsed string and decode it as something else, you can take the string directly from the callback and feed it as input to another parser. A commented-out version of a pinning interface is present; I decline to actually implement it (and accept its extra complexity) until/unless it is clear that it is actually a win. But it is included as a proof-of-concept, to show that it fits well with the existing interface.
13 years ago
Synced with 3 months of Google-internal development. Major changes: - Got rid of all bytestream interfaces in favor of using regular handlers. - new Pipeline object represents a upb pipeline, does bump allocation internally to manage memory. - proto2 support now can handle extensions.
12 years ago
#define UPB_BYTESTREAM_BYTES &upb_bytestream_fields[0]
Split upb_stream -> upb_bytestream/upb_handlers.
14 years ago
Synced with 3 months of Google-internal development. Major changes: - Got rid of all bytestream interfaces in favor of using regular handlers. - new Pipeline object represents a upb pipeline, does bump allocation internally to manage memory. - proto2 support now can handle extensions.
12 years ago
// A convenience method that handles the start/end calls and tracks overall
// success.
UPB_INLINE bool upb_bytestream_putstr(upb_sink *s, const char *buf, size_t n) {
bool ret =
upb_sink_startmsg(s) &&
upb_sink_startstr(s, UPB_BYTESTREAM_BYTES_STARTSTR, n) &&
upb_sink_putstring(s, UPB_BYTESTREAM_BYTES_STRING, buf, n) == n &&
upb_sink_endstr(s, UPB_BYTESTREAM_BYTES_ENDSTR);
if (ret) upb_sink_endmsg(s);
Refinement of upb_bytesrc interface. Added a upb_byteregion that tracks a region of the input buffer; decoders use this instead of using a upb_bytesrc directly. upb_byteregion is also used as the way of passing a string to a upb_handlers callback. This symmetry makes decoders compose better; if you want to take a parsed string and decode it as something else, you can take the string directly from the callback and feed it as input to another parser. A commented-out version of a pinning interface is present; I decline to actually implement it (and accept its extra complexity) until/unless it is clear that it is actually a win. But it is included as a proof-of-concept, to show that it fits well with the existing interface.
13 years ago
return ret;
Python: fleshed out accessors.
13 years ago
}
Sync with 8 months of Google-internal development. Many things have changed and been simplified. The memory-management story for upb_def and upb_handlers is much more robust; upb_def and upb_handlers should be fairly stable interfaces now. There is still much work to do for the runtime component (upb_sink).
12 years ago
#ifdef __cplusplus
namespace upb {
Synced with 3 months of Google-internal development. Major changes: - Got rid of all bytestream interfaces in favor of using regular handlers. - new Pipeline object represents a upb pipeline, does bump allocation internally to manage memory. - proto2 support now can handle extensions.
12 years ago
inline bool PutStringToBytestream(Sink* s, const char* buf, size_t n) {
return upb_bytestream_putstr(s, buf, n);
Sync with 8 months of Google-internal development. Many things have changed and been simplified. The memory-management story for upb_def and upb_handlers is much more robust; upb_def and upb_handlers should be fairly stable interfaces now. There is still much work to do for the runtime component (upb_sink).
12 years ago
}
Synced with 3 months of Google-internal development. Major changes: - Got rid of all bytestream interfaces in favor of using regular handlers. - new Pipeline object represents a upb pipeline, does bump allocation internally to manage memory. - proto2 support now can handle extensions.
12 years ago
template <class T> bool PutStringToBytestream(Sink* s, T str) {
return upb_bytestream_putstr(s, str.c_str(), str.size());
Sync with 8 months of Google-internal development. Many things have changed and been simplified. The memory-management story for upb_def and upb_handlers is much more robust; upb_def and upb_handlers should be fairly stable interfaces now. There is still much work to do for the runtime component (upb_sink).
12 years ago
}
} // namespace upb
Split upb_stream -> upb_bytestream/upb_handlers.
14 years ago
#endif
Synced with 3 months of Google-internal development. Major changes: - Got rid of all bytestream interfaces in favor of using regular handlers. - new Pipeline object represents a upb pipeline, does bump allocation internally to manage memory. - proto2 support now can handle extensions.
12 years ago
#endif // UPB_BYTESTREAM_H_