Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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43 lines
1.2 KiB
43 lines
1.2 KiB
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#include "upb_decoder.h" |
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#include "upb_textprinter.h" |
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#include "upb_stdio.h" |
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int main() { |
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upb_symtab *symtab = upb_symtab_new(); |
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upb_symtab_add_descriptorproto(symtab); |
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upb_def *fds = upb_symtab_lookup( |
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symtab, UPB_STRLIT("google.protobuf.FileDescriptorSet")); |
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upb_stdio *in = upb_stdio_new(); |
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upb_stdio_reset(in, stdin); |
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upb_stdio *out = upb_stdio_new(); |
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upb_stdio_reset(out, stdout); |
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upb_decoder d; |
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upb_decoder_init(&d, upb_downcast_msgdef(fds)); |
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upb_decoder_reset(&d, upb_stdio_bytesrc(in)); |
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upb_textprinter *p = upb_textprinter_new(); |
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upb_handlers handlers; |
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upb_handlers_init(&handlers); |
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upb_textprinter_reset(p, &handlers, upb_stdio_bytesink(out), false); |
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upb_src *src = upb_decoder_src(&d); |
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upb_src_sethandlers(src, &handlers); |
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upb_status status = UPB_STATUS_INIT; |
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upb_src_run(src, &status); |
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assert(upb_ok(&status)); |
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upb_status_uninit(&status); |
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upb_stdio_free(in); |
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upb_stdio_free(out); |
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upb_decoder_uninit(&d); |
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upb_textprinter_free(p); |
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upb_def_unref(fds); |
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upb_symtab_unref(symtab); |
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// Prevent C library from holding buffers open, so Valgrind doesn't see |
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// memory leaks. |
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fclose(stdin); |
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fclose(stdout); |
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}
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