From 32e25cbca210a359b09768537b6f443fe90a3070 Mon Sep 17 00:00:00 2001 From: Romain Forlot Date: Tue, 20 Jun 2017 10:24:05 +0000 Subject: Separation Generator to a dedicated repo Change-Id: Id94831651c3266861435272a6e36c7884bef2c45 Signed-off-by: Romain Forlot --- libs/nanopb/tests/callbacks/decode_callbacks.c | 97 ++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 libs/nanopb/tests/callbacks/decode_callbacks.c (limited to 'libs/nanopb/tests/callbacks/decode_callbacks.c') diff --git a/libs/nanopb/tests/callbacks/decode_callbacks.c b/libs/nanopb/tests/callbacks/decode_callbacks.c new file mode 100644 index 00000000..45724d0b --- /dev/null +++ b/libs/nanopb/tests/callbacks/decode_callbacks.c @@ -0,0 +1,97 @@ +/* Decoding testcase for callback fields. + * Run e.g. ./test_encode_callbacks | ./test_decode_callbacks + */ + +#include +#include +#include "callbacks.pb.h" +#include "test_helpers.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, (long)value); + return true; +} + +bool print_fixed32(pb_istream_t *stream, const pb_field_t *field, void **arg) +{ + uint32_t value; + if (!pb_decode_fixed32(stream, &value)) + return false; + + printf((char*)*arg, (long)value); + return true; +} + +bool print_fixed64(pb_istream_t *stream, const pb_field_t *field, void **arg) +{ + uint64_t value; + if (!pb_decode_fixed64(stream, &value)) + return false; + + printf((char*)*arg, (long)value); + return true; +} + +int main() +{ + uint8_t buffer[1024]; + size_t length; + pb_istream_t stream; + /* 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 = {{{NULL}}}; + + SET_BINARY_MODE(stdin); + length = fread(buffer, 1, 1024, stdin); + stream = pb_istream_from_buffer(buffer, length); + + 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: %ld\n"; + testmessage.submsg.fixed32value.funcs.decode = &print_fixed32; + testmessage.submsg.fixed32value.arg = " fixed32value: %ld\n"; + testmessage.submsg.fixed64value.funcs.decode = &print_fixed64; + testmessage.submsg.fixed64value.arg = " fixed64value: %ld\n}\n"; + + testmessage.stringvalue.funcs.decode = &print_string; + testmessage.stringvalue.arg = "stringvalue: \"%s\"\n"; + testmessage.int32value.funcs.decode = &print_int32; + testmessage.int32value.arg = "int32value: %ld\n"; + testmessage.fixed32value.funcs.decode = &print_fixed32; + testmessage.fixed32value.arg = "fixed32value: %ld\n"; + testmessage.fixed64value.funcs.decode = &print_fixed64; + testmessage.fixed64value.arg = "fixed64value: %ld\n"; + testmessage.repeatedstring.funcs.decode = &print_string; + testmessage.repeatedstring.arg = "repeatedstring: \"%s\"\n"; + + if (!pb_decode(&stream, TestMessage_fields, &testmessage)) + return 1; + + return 0; +} -- cgit 1.2.3-korg