1 /* Encoding testcase for callback fields */
2
3 #include <stdio.h>
4 #include <string.h>
5 #include <pb_encode.h>
6 #include "callbacks.pb.h"
7 #include "test_helpers.h"
8
encode_string(pb_ostream_t * stream,const pb_field_t * field,void * const * arg)9 bool encode_string(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
10 {
11 char *str = "Hello world!";
12
13 if (!pb_encode_tag_for_field(stream, field))
14 return false;
15
16 return pb_encode_string(stream, (uint8_t*)str, strlen(str));
17 }
18
encode_int32(pb_ostream_t * stream,const pb_field_t * field,void * const * arg)19 bool encode_int32(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
20 {
21 if (!pb_encode_tag_for_field(stream, field))
22 return false;
23
24 return pb_encode_varint(stream, 42);
25 }
26
encode_fixed32(pb_ostream_t * stream,const pb_field_t * field,void * const * arg)27 bool encode_fixed32(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
28 {
29 uint32_t value = 42;
30
31 if (!pb_encode_tag_for_field(stream, field))
32 return false;
33
34 return pb_encode_fixed32(stream, &value);
35 }
36
encode_fixed64(pb_ostream_t * stream,const pb_field_t * field,void * const * arg)37 bool encode_fixed64(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
38 {
39 uint64_t value = 42;
40
41 if (!pb_encode_tag_for_field(stream, field))
42 return false;
43
44 return pb_encode_fixed64(stream, &value);
45 }
46
encode_repeatedstring(pb_ostream_t * stream,const pb_field_t * field,void * const * arg)47 bool encode_repeatedstring(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
48 {
49 char *str[4] = {"Hello world!", "", "Test", "Test2"};
50 int i;
51
52 for (i = 0; i < 4; i++)
53 {
54 if (!pb_encode_tag_for_field(stream, field))
55 return false;
56
57 if (!pb_encode_string(stream, (uint8_t*)str[i], strlen(str[i])))
58 return false;
59 }
60 return true;
61 }
62
main()63 int main()
64 {
65 uint8_t buffer[1024];
66 pb_ostream_t stream;
67 TestMessage testmessage = {{{NULL}}};
68
69 stream = pb_ostream_from_buffer(buffer, 1024);
70
71 testmessage.stringvalue.funcs.encode = &encode_string;
72 testmessage.int32value.funcs.encode = &encode_int32;
73 testmessage.fixed32value.funcs.encode = &encode_fixed32;
74 testmessage.fixed64value.funcs.encode = &encode_fixed64;
75
76 testmessage.has_submsg = true;
77 testmessage.submsg.stringvalue.funcs.encode = &encode_string;
78 testmessage.submsg.int32value.funcs.encode = &encode_int32;
79 testmessage.submsg.fixed32value.funcs.encode = &encode_fixed32;
80 testmessage.submsg.fixed64value.funcs.encode = &encode_fixed64;
81
82 testmessage.repeatedstring.funcs.encode = &encode_repeatedstring;
83
84 if (!pb_encode(&stream, TestMessage_fields, &testmessage))
85 return 1;
86
87 SET_BINARY_MODE(stdout);
88 if (fwrite(buffer, stream.bytes_written, 1, stdout) != 1)
89 return 2;
90
91 return 0;
92 }
93
