1 /* A very simple decoding test case, using person.proto.
2  * Produces output compatible with protoc --decode.
3  * Reads the encoded data from stdin and prints the values
4  * to stdout as text.
5  *
6  * Run e.g. ./test_encode1 | ./test_decode1
7  */
8 
9 #include <stdio.h>
10 #include <pb_decode.h>
11 #include "person.pb.h"
12 #include "test_helpers.h"
13 
14 /* This function is called once from main(), it handles
15    the decoding and printing. */
16 bool print_person(pb_istream_t *stream)
17 {
18     int i;
19     Person person = Person_init_zero;
20 
21     if (!pb_decode(stream, Person_fields, &person))
22         return false;
23 
24     /* Now the decoding is done, rest is just to print stuff out. */
25 
26     printf("name: \"%s\"\n", person.name);
27     printf("id: %ld\n", (long)person.id);
28 
29     if (person.has_email)
30         printf("email: \"%s\"\n", person.email);
31 
32     for (i = 0; i < person.phone_count; i++)
33     {
34         Person_PhoneNumber *phone = &person.phone[i];
35         printf("phone {\n");
36         printf("  number: \"%s\"\n", phone->number);
37 
38         if (phone->has_type)
39         {
40             switch (phone->type)
41             {
42                 case Person_PhoneType_WORK:
43                     printf("  type: WORK\n");
44                     break;
45 
46                 case Person_PhoneType_HOME:
47                     printf("  type: HOME\n");
48                     break;
49 
50                 case Person_PhoneType_MOBILE:
51                     printf("  type: MOBILE\n");
52                     break;
53             }
54         }
55         printf("}\n");
56     }
57 
58     return true;
59 }
60 
61 int main()
62 {
63     uint8_t buffer[Person_size];
64     pb_istream_t stream;
65     size_t count;
66 
67     /* Read the data into buffer */
68     SET_BINARY_MODE(stdin);
69     count = fread(buffer, 1, sizeof(buffer), stdin);
70 
71     if (!feof(stdin))
72     {
73     	printf("Message does not fit in buffer\n");
74     	return 1;
75     }
76 
77     /* Construct a pb_istream_t for reading from the buffer */
78     stream = pb_istream_from_buffer(buffer, count);
79 
80     /* Decode and print out the stuff */
81     if (!print_person(&stream))
82     {
83         printf("Parsing failed: %s\n", PB_GET_ERROR(&stream));
84         return 1;
85     } else {
86         return 0;
87     }
88 }
89