PBC is a google protocol buffers library for C without code generation.
package tutorial;
message Person {
required string name = 1;
required int32 id = 2; // Unique ID number for this person.
optional string email = 3;
enum PhoneType {
MOBILE = 0;
HOME = 1;
WORK = 2;
}
message PhoneNumber {
required string number = 1;
optional PhoneType type = 2 [default = HOME];
}
repeated PhoneNumber phone = 4;
}
struct pbc_rmessage * m = pbc_rmessage_new(env, "tutorial.Person", slice);
printf("name = %s\n", pbc_rmessage_string(m , "name" , 0 , NULL));
printf("id = %d\n", pbc_rmessage_integer(m , "id" , 0 , NULL));
printf("email = %s\n", pbc_rmessage_string(m , "email" , 0 , NULL));
int phone_n = pbc_rmessage_size(m, "phone");
int i;
for (i=0;i<phone_n;i++) {
struct pbc_rmessage * p = pbc_rmessage_message(m , "phone", i);
printf("\tnumber[%d] = %s\n",i,pbc_rmessage_string(p , "number", i ,NULL));
printf("\ttype[%d] = %s\n",i,pbc_rmessage_string(p, "type", i, NULL));
}
pbc_rmessage_delete(m);
You can use wmessage for encoding , and rmessage for decoding.
See test/addressbook.c for details.
If you need better performance , you can use pbc_pattern_xxx api .
See test/pattern.c for details.
Pattern api is faster and less memory used because it can access data in native C struct.
PBC support extension in a very simple way . PBC add a specific prefix to every extension field name.
Not supported
With message API , you can use both string and integer as enum type . They must be integer in Pattern API.
cd binding/lua && make or cd binding/lua53 && make
See https://github.com/cloudwu/pbc/tree/master/binding/lua/README.md
You can download and install pbc using the vcpkg dependency manager:
git clone https://github.com/Microsoft/vcpkg.git
cd vcpkg
./bootstrap-vcpkg.sh
./vcpkg integrate install
./vcpkg install pbc
The pbc port in vcpkg is kept up to date by Microsoft team members and community contributors. If the version is out of date, please create an issue or pull request on the vcpkg repository.
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