Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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93 lines
2.4 KiB
93 lines
2.4 KiB
// These are the specialized field parser functions for the fast parser. |
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// Generated tables will refer to these by name. |
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// |
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// Here we follow the same pattern of macros used in decode_fast.c to declare |
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// all of the variants. |
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#ifndef UPB_DECODE_FAST_H_ |
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#define UPB_DECODE_FAST_H_ |
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#include "upb/msg.h" |
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struct upb_decstate; |
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// The fallback, generic parsing function that can handle any field type. |
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// This just uses the regular (non-fast) parser to parse a single field. |
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const char *fastdecode_generic(struct upb_decstate *d, const char *ptr, |
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upb_msg *msg, const upb_msglayout *table, |
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uint64_t hasbits, uint64_t data); |
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#define UPB_PARSE_PARAMS \ |
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struct upb_decstate *d, const char *ptr, upb_msg *msg, \ |
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const upb_msglayout *table, uint64_t hasbits, uint64_t data |
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/* primitive fields ***********************************************************/ |
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#define F(card, type, valbytes, tagbytes) \ |
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const char *upb_p##card##type##valbytes##_##tagbytes##bt(UPB_PARSE_PARAMS); |
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#define TYPES(card, tagbytes) \ |
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F(card, b, 1, tagbytes) \ |
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F(card, v, 4, tagbytes) \ |
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F(card, v, 8, tagbytes) \ |
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F(card, z, 4, tagbytes) \ |
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F(card, z, 8, tagbytes) \ |
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F(card, f, 4, tagbytes) \ |
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F(card, f, 8, tagbytes) |
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#define TAGBYTES(card) \ |
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TYPES(card, 1) \ |
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TYPES(card, 2) |
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TAGBYTES(s) |
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TAGBYTES(o) |
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TAGBYTES(r) |
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#undef F |
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#undef TYPES |
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#undef TAGBYTES |
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/* string fields **************************************************************/ |
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#define F(card, tagbytes) \ |
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const char *upb_p##card##s_##tagbytes##bt(UPB_PARSE_PARAMS); \ |
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const char *upb_c##card##s_##tagbytes##bt(UPB_PARSE_PARAMS); |
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#define TAGBYTES(card) \ |
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F(card, 1) \ |
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F(card, 2) |
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TAGBYTES(s) |
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TAGBYTES(o) |
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TAGBYTES(r) |
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#undef F |
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#undef TAGBYTES |
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/* sub-message fields *********************************************************/ |
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#define F(card, tagbytes, size_ceil, ceil_arg) \ |
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const char *upb_p##card##m_##tagbytes##bt_max##size_ceil##b(UPB_PARSE_PARAMS); |
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#define SIZES(card, tagbytes) \ |
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F(card, tagbytes, 64, 64) \ |
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F(card, tagbytes, 128, 128) \ |
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F(card, tagbytes, 192, 192) \ |
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F(card, tagbytes, 256, 256) \ |
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F(card, tagbytes, max, -1) |
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#define TAGBYTES(card) \ |
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SIZES(card, 1) \ |
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SIZES(card, 2) |
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TAGBYTES(s) |
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TAGBYTES(o) |
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TAGBYTES(r) |
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#undef TAGBYTES |
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#undef SIZES |
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#undef F |
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#undef UPB_PARSE_PARAMS |
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#endif /* UPB_DECODE_FAST_H_ */
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