43b8e20744
This replaces the sentinel at the end of the pb_field_t array for each message type. git-svn-id: https://svn.kapsi.fi/jpa/nanopb-dev@1007 e3a754e5-d11d-0410-8d38-ebb782a927b9
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/* Decoding testcase for callback fields.
|
|
* Run e.g. ./test_encode_callbacks | ./test_decode_callbacks
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <pb_decode.h>
|
|
#include "callbacks.pb.h"
|
|
|
|
bool print_string(pb_istream_t *stream, const pb_field_t *field, void *arg)
|
|
{
|
|
uint8_t buffer[1024] = {0};
|
|
|
|
/* We could read block-by-block to avoid the large buffer... */
|
|
if (stream->bytes_left > sizeof(buffer) - 1)
|
|
return false;
|
|
|
|
if (!pb_read(stream, buffer, stream->bytes_left))
|
|
return false;
|
|
|
|
/* Print the string, in format comparable with protoc --decode.
|
|
* Format comes from the arg defined in main().
|
|
*/
|
|
printf((char*)arg, buffer);
|
|
return true;
|
|
}
|
|
|
|
bool print_int32(pb_istream_t *stream, const pb_field_t *field, void *arg)
|
|
{
|
|
uint64_t value;
|
|
if (!pb_decode_varint(stream, &value))
|
|
return false;
|
|
|
|
printf((char*)arg, (int32_t)value);
|
|
return true;
|
|
}
|
|
|
|
bool print_fixed32(pb_istream_t *stream, const pb_field_t *field, void *arg)
|
|
{
|
|
uint32_t value;
|
|
if (!pb_dec_fixed32(stream, NULL, &value))
|
|
return false;
|
|
|
|
printf((char*)arg, value);
|
|
return true;
|
|
}
|
|
|
|
bool print_fixed64(pb_istream_t *stream, const pb_field_t *field, void *arg)
|
|
{
|
|
uint64_t value;
|
|
if (!pb_dec_fixed64(stream, NULL, &value))
|
|
return false;
|
|
|
|
printf((char*)arg, value);
|
|
return true;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
uint8_t buffer[1024];
|
|
size_t length = fread(buffer, 1, 1024, stdin);
|
|
pb_istream_t stream = pb_istream_from_buffer(buffer, length);
|
|
|
|
/* Note: empty initializer list initializes the struct with all-0.
|
|
* This is recommended so that unused callbacks are set to NULL instead
|
|
* of crashing at runtime.
|
|
*/
|
|
TestMessage testmessage = {};
|
|
|
|
testmessage.submsg.stringvalue.funcs.decode = &print_string;
|
|
testmessage.submsg.stringvalue.arg = "submsg {\n stringvalue: \"%s\"\n";
|
|
testmessage.submsg.int32value.funcs.decode = &print_int32;
|
|
testmessage.submsg.int32value.arg = " int32value: %d\n";
|
|
testmessage.submsg.fixed32value.funcs.decode = &print_fixed32;
|
|
testmessage.submsg.fixed32value.arg = " fixed32value: %d\n";
|
|
testmessage.submsg.fixed64value.funcs.decode = &print_fixed64;
|
|
testmessage.submsg.fixed64value.arg = " fixed64value: %lld\n}\n";
|
|
|
|
testmessage.stringvalue.funcs.decode = &print_string;
|
|
testmessage.stringvalue.arg = "stringvalue: \"%s\"\n";
|
|
testmessage.int32value.funcs.decode = &print_int32;
|
|
testmessage.int32value.arg = "int32value: %d\n";
|
|
testmessage.fixed32value.funcs.decode = &print_fixed32;
|
|
testmessage.fixed32value.arg = "fixed32value: %d\n";
|
|
testmessage.fixed64value.funcs.decode = &print_fixed64;
|
|
testmessage.fixed64value.arg = "fixed64value: %lld\n";
|
|
|
|
if (!pb_decode(&stream, TestMessage_msg, &testmessage))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|