/* A very simple decoding test case, using person.proto.
* Produces output compatible with protoc --decode.
/* A very simple decoding test case, using person.proto.
* Produces output compatible with protoc --decode.
+ * Reads the encoded data from stdin and prints the values
+ * to stdout as text.
+ *
+ * Run e.g. ./test_encode1 | ./test_decode1
*/
#include <stdio.h>
#include <pb_decode.h>
#include "person.pb.h"
*/
#include <stdio.h>
#include <pb_decode.h>
#include "person.pb.h"
+/* This function is called once from main(), it handles
+ the decoding and printing. */
bool print_person(pb_istream_t *stream)
{
int i;
bool print_person(pb_istream_t *stream)
{
int i;
if (!pb_decode(stream, Person_fields, &person))
return false;
if (!pb_decode(stream, Person_fields, &person))
return false;
+ /* Now the decoding is done, rest is just to print stuff out. */
+
printf("name: \"%s\"\n", person.name);
printf("id: %d\n", person.id);
printf("name: \"%s\"\n", person.name);
printf("id: %d\n", person.id);
+/* This binds the pb_istream_t to stdin */
bool callback(pb_istream_t *stream, uint8_t *buf, size_t count)
{
FILE *file = (FILE*)stream->state;
bool callback(pb_istream_t *stream, uint8_t *buf, size_t count)
{
FILE *file = (FILE*)stream->state;
while (count-- && fgetc(file) != EOF);
return count == 0;
}
while (count-- && fgetc(file) != EOF);
return count == 0;
}
*/
pb_istream_t stream = {&callback, stdin, 10000};
if (!print_person(&stream))
*/
pb_istream_t stream = {&callback, stdin, 10000};
if (!print_person(&stream))
printf("Parsing failed.\n");
printf("Parsing failed.\n");
+ return 1;
+ } else {
+ return 0;
+ }
/* A very simple encoding test case using person.proto.
/* A very simple encoding test case using person.proto.
- * Just puts constant data in the fields.
+ * Just puts constant data in the fields and writes the
+ * data to stdout.
*/
#include <stdio.h>
#include <pb_encode.h>
#include "person.pb.h"
*/
#include <stdio.h>
#include <pb_encode.h>
#include "person.pb.h"
+/* This binds the pb_ostream_t into the stdout stream */
bool streamcallback(pb_ostream_t *stream, const uint8_t *buf, size_t count)
{
FILE *file = (FILE*) stream->state;
bool streamcallback(pb_ostream_t *stream, const uint8_t *buf, size_t count)
{
FILE *file = (FILE*) stream->state;
+ /* Initialize the structure with constants */
Person person = {"Test Person 99", 99, true, "test@person.com",
1, {{"555-12345678", true, Person_PhoneType_MOBILE}}};
Person person = {"Test Person 99", 99, true, "test@person.com",
1, {{"555-12345678", true, Person_PhoneType_MOBILE}}};
+ /* Prepare the stream, output goes directly to stdout */
pb_ostream_t stream = {&streamcallback, stdout, SIZE_MAX, 0};
pb_ostream_t stream = {&streamcallback, stdout, SIZE_MAX, 0};
- pb_encode(&stream, Person_fields, &person);
-
- return 0;
+ /* Now encode it and check if we succeeded. */
+ if (pb_encode(&stream, Person_fields, &person))
+ return 0; /* Success */
+ else
+ return 1; /* Failure */