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 9bool 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 19bool 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 27bool 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 37bool 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 47bool 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 63int 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