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#include "main.c"
#include <stdlib.h>
#include "upb/bytestream.h"
#include "upb/def.h"
#include "upb/pb/decoder.h"
#include "upb/pb/glue.h"
static char *input_str;
static size_t input_len;
static const upb_msgdef *def;
upb_pipeline pipeline;
static upb_sink *sink;
static void *startsubmsg(const upb_sinkframe *frame) {
UPB_UNUSED(frame);
return input_str;
}
void onmreg(void *c, upb_handlers *h) {
upb_msg_iter i;
upb_msg_begin(&i, upb_handlers_msgdef(h));
for(; !upb_msg_done(&i); upb_msg_next(&i)) {
const upb_fielddef *f = upb_msg_iter_field(&i);
if (upb_fielddef_type(f) == UPB_TYPE_MESSAGE) {
upb_handlers_setstartsubmsg(h, f, startsubmsg, NULL, NULL);
}
}
UPB_UNUSED(c);
}
static bool initialize()
{
// Initialize upb state, decode descriptor.
upb_status status = UPB_STATUS_INIT;
upb_symtab *s = upb_symtab_new(&s);
upb_load_descriptor_file_into_symtab(s, MESSAGE_DESCRIPTOR_FILE, &status);
if(!upb_ok(&status)) {
fprintf(stderr, "Error reading descriptor: %s\n",
upb_status_getstr(&status));
return false;
}
def = upb_dyncast_msgdef(upb_symtab_lookup(s, MESSAGE_NAME, &def));
if(!def) {
fprintf(stderr, "Error finding symbol '%s'.\n", MESSAGE_NAME);
return false;
}
upb_symtab_unref(s, &s);
// Read the message data itself.
input_str = upb_readfile(MESSAGE_FILE, &input_len);
if(input_str == NULL) {
fprintf(stderr, "Error reading " MESSAGE_FILE "\n");
return false;
}
// Cause all messages to be read, but do nothing when they are.
const upb_handlers* handlers =
upb_handlers_newfrozen(def, NULL, &handlers, &onmreg, NULL);
const upb_handlers* decoder_handlers =
upb_pbdecoder_gethandlers(handlers, JIT, &decoder_handlers);
upb_msgdef_unref(def, &def);
upb_pipeline_init(&pipeline, NULL, 0, upb_realloc, NULL);
upb_sink *s2 = upb_pipeline_newsink(&pipeline, handlers);
sink = upb_pipeline_newsink(&pipeline, decoder_handlers);
upb_pipeline_donateref(&pipeline, decoder_handlers, &decoder_handlers);
upb_pipeline_donateref(&pipeline, handlers, &handlers);
upb_pbdecoder *decoder = upb_sinkframe_userdata(upb_sink_top(sink));
upb_pbdecoder_resetsink(decoder, s2);
return true;
}
static void cleanup()
{
free(input_str);
upb_pipeline_uninit(&pipeline);
}
static size_t run(int i)
{
(void)i;
upb_pipeline_reset(&pipeline);
if (!upb_bytestream_putstr(sink, input_str, input_len)) {
fprintf(stderr, "Decode error: %s", upb_status_getstr(upb_pipeline_status(&pipeline)));
return 0;
}
return input_len;
}
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