static size_t run(int i)
{
(void)i;
upb_status status = UPB_STATUS_INIT;
upb_stringsrc_reset(&stringsrc, input_str, input_len);
upb_decoder_resetinput(&decoder, upb_stringsrc_allbytes(&stringsrc), NULL);
if (upb_decoder_decode(&decoder) != UPB_OK) goto err;
return input_len;
err:
fprintf(stderr, "Decode error: %s", upb_status_getstr(&status));
return 0;
}
static size_t run(int i)
{
upb_status status = UPB_STATUS_INIT;
i %= NUM_MESSAGES;
upb_msg_clear(msg[i], def);
upb_decoder_reset(&d, upb_stringsrc_bytesrc(&strsrc),
0, UPB_NONDELIMITED, msg[i]);
upb_decoder_decode(&d, &status);
if(!upb_ok(&status)) goto err;
return len;
err:
fprintf(stderr, "Decode error: %s", upb_status_getstr(&status));
return 0;
}
static size_t run(int i)
{
(void)i;
upb_status status = UPB_STATUS_INIT;
upb_msg_clear(msg, def);
upb_stringsrc_reset(&strsrc, input_str);
upb_decoder_reset(&d, upb_stringsrc_bytesrc(&strsrc), msg);
upb_decoder_decode(&d, &status);
if(!upb_ok(&status)) goto err;
return upb_string_len(input_str);
err:
fprintf(stderr, "Decode error: ");
upb_printerr(&status);
return 0;
}
int main(int argc, char *argv[]) {
if (argc < 3) {
fprintf(stderr, "Usage: stream_transcode <descfile> <msgname>\n");
return 1;
}
upb_symtab *symtab = upb_symtab_new();
size_t desc_len;
const char *desc = upb_readfile(argv[1], &desc_len);
if (!desc) {
fprintf(stderr, "Couldn't open descriptor file: %s\n", argv[1]);
return 1;
}
upb_status status = UPB_STATUS_INIT;
upb_load_descriptor_into_symtab(symtab, desc, desc_len, &status);
if (!upb_ok(&status)) {
fprintf(stderr, "Error parsing descriptor: %s", upb_status_getstr(&status));
return 1;
}
free((void*)desc);
const upb_def *md = upb_symtab_lookup(symtab, argv[2]);
if (!md) {
fprintf(stderr, "Descriptor did not contain message: %s\n", argv[2]);
return 1;
}
const upb_msgdef *m = upb_dyncast_msgdef_const(md);
if (!m) {
fprintf(stderr, "Def was not a msgdef.\n");
return 1;
}
upb_stdio in, out;
upb_stdio_init(&in);
upb_stdio_init(&out);
upb_stdio_reset(&in, stdin);
upb_stdio_reset(&out, stdout);
upb_handlers *handlers = upb_handlers_new();
upb_textprinter *p = upb_textprinter_new();
upb_textprinter_reset(p, upb_stdio_bytesink(&out), false);
upb_textprinter_reghandlers(handlers, m);
upb_decoder d;
upb_decoder_init(&d, handlers);
upb_decoder_reset(&d, upb_stdio_bytesrc(&in), 0, UPB_NONDELIMITED, p);
upb_status_clear(&status);
upb_decoder_decode(&d, &status);
if (!upb_ok(&status)) {
fprintf(stderr, "Error parsing input: %s", upb_status_getstr(&status));
}
upb_status_uninit(&status);
upb_stdio_uninit(&in);
upb_stdio_uninit(&out);
upb_decoder_uninit(&d);
upb_textprinter_free(p);
upb_def_unref(UPB_UPCAST(m));
upb_symtab_unref(symtab);
// Prevent C library from holding buffers open, so Valgrind doesn't see
// memory leaks.
fclose(stdin);
fclose(stdout);
}
// Decodes serialized data (calling Handlers as the data is parsed) until
// error or EOF (see status() for details).
Success Decode() { return upb_decoder_decode(this); }