Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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78 lines
2.6 KiB
78 lines
2.6 KiB
/* |
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* upb - a minimalist implementation of protocol buffers. |
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* |
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* Copyright (c) 2009 Joshua Haberman. See LICENSE for details. |
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* |
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*/ |
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#include <stdarg.h> |
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#include <stddef.h> |
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#include <string.h> |
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#include "upb.h" |
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#include "upb_string.h" |
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#define alignof(t) offsetof(struct { char c; t x; }, x) |
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#define TYPE_INFO(wire_type, ctype, allows_delimited) \ |
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{alignof(ctype), sizeof(ctype), wire_type, \ |
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(1 << wire_type) | (allows_delimited << UPB_WIRE_TYPE_DELIMITED), \ |
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#ctype}, |
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upb_type_info upb_types[] = { |
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{0, 0, 0, 0, ""}, // There is no type 0. |
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TYPE_INFO(UPB_WIRE_TYPE_64BIT, double, 1) // DOUBLE |
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TYPE_INFO(UPB_WIRE_TYPE_32BIT, float, 1) // FLOAT |
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TYPE_INFO(UPB_WIRE_TYPE_VARINT, int64_t, 1) // INT64 |
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TYPE_INFO(UPB_WIRE_TYPE_VARINT, uint64_t, 1) // UINT64 |
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TYPE_INFO(UPB_WIRE_TYPE_VARINT, int32_t, 1) // INT32 |
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TYPE_INFO(UPB_WIRE_TYPE_64BIT, uint64_t, 1) // FIXED64 |
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TYPE_INFO(UPB_WIRE_TYPE_32BIT, uint32_t, 1) // FIXED32 |
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TYPE_INFO(UPB_WIRE_TYPE_VARINT, bool, 1) // BOOL |
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TYPE_INFO(UPB_WIRE_TYPE_DELIMITED, void*, 1) // STRING |
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TYPE_INFO(UPB_WIRE_TYPE_START_GROUP, void*, 0) // GROUP |
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TYPE_INFO(UPB_WIRE_TYPE_DELIMITED, void*, 1) // MESSAGE |
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TYPE_INFO(UPB_WIRE_TYPE_DELIMITED, void*, 1) // BYTES |
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TYPE_INFO(UPB_WIRE_TYPE_VARINT, uint32_t, 1) // UINT32 |
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TYPE_INFO(UPB_WIRE_TYPE_VARINT, uint32_t, 1) // ENUM |
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TYPE_INFO(UPB_WIRE_TYPE_32BIT, int32_t, 1) // SFIXED32 |
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TYPE_INFO(UPB_WIRE_TYPE_64BIT, int64_t, 1) // SFIXED64 |
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TYPE_INFO(UPB_WIRE_TYPE_VARINT, int32_t, 1) // SINT32 |
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TYPE_INFO(UPB_WIRE_TYPE_VARINT, int64_t, 1) // SINT64 |
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}; |
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void upb_seterr(upb_status *status, enum upb_status_code code, |
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const char *msg, ...) |
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{ |
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if(upb_ok(status)) { // The first error is the most interesting. |
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status->code = code; |
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upb_string_recycle(&status->str); |
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va_list args; |
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va_start(args, msg); |
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upb_string_vprintf(status->str, msg, args); |
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va_end(args); |
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} |
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} |
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void upb_copyerr(upb_status *to, upb_status *from) |
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{ |
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to->code = from->code; |
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if(from->str) to->str = upb_string_getref(from->str); |
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} |
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void upb_clearerr(upb_status *status) { |
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status->code = UPB_OK; |
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upb_string_recycle(&status->str); |
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} |
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void upb_printerr(upb_status *status) { |
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if(status->str) { |
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fprintf(stderr, "code: %d, msg: " UPB_STRFMT "\n", |
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status->code, UPB_STRARG(status->str)); |
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} else { |
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fprintf(stderr, "code: %d, no msg\n", status->code); |
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} |
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} |
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void upb_status_uninit(upb_status *status) { |
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upb_string_unref(status->str); |
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}
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