changelog shortlog graph tags branches changeset files revisions annotate raw help

Mercurial > demo / lib.rs

changeset 7: 315fedf35bc7
parent: 8f59e2f1b8c4
child: bebb76da449c
author: ellis <ellis@rwest.io>
date: Sun, 07 May 2023 18:06:13 -0400
permissions: -rw-r--r--
description: rust ffi macros, general stuff 
     1 //! demo/lib.rs --- generated by DEMO:RS-MACROEXPAND
     2 extern crate obj;
     3 extern crate libc;
     4 //pub use fig::*;
     5 use obj::{Objective,Service,CustomService};
     6 use std::ffi::{CStr, CString};
     7 use std::slice;
     8 use libc::{c_char, size_t};
     9 #[no_mangle]
    10 pub unsafe extern "C" fn free_service(ptr: *mut Service) {
    11     if ptr.is_null() {
    12         return;
    13     }
    14     let _ = Box::from_raw(ptr);
    15 }
    16 #[no_mangle]
    17 pub unsafe extern "C" fn service_from_string(ptr: *const c_char) -> *mut Service {
    18   assert!(!ptr.is_null());
    19   let p = CStr::from_ptr(ptr).to_str().unwrap();
    20   Box::into_raw(Box::new(p.into()))
    21 }
    22 #[no_mangle]
    23 pub unsafe extern "C" fn service_from_json_string(ptr: *const c_char) -> *mut Service {
    24   assert!(!ptr.is_null());
    25   let s = CStr::from_ptr(ptr);
    26   Box::into_raw(Box::new(Service::from_json_str(&s.to_str().unwrap()).unwrap()))
    27 }
    28 #[no_mangle]
    29 pub unsafe extern "C" fn service_to_json_string(ptr: *const Service) -> *mut c_char {
    30     let p = &*ptr;
    31     let x = p.to_json_string().unwrap();
    32     CString::new(x.as_str().as_bytes()).unwrap().into_raw()
    33 }
    34 #[no_mangle]
    35 pub unsafe extern "C" fn service_from_ron_string(ptr: *const c_char) -> *mut Service {
    36   assert!(!ptr.is_null());
    37   let s = CStr::from_ptr(ptr);
    38   Box::into_raw(Box::new(Service::from_ron_str(&s.to_str().unwrap()).unwrap()))
    39 }
    40 #[no_mangle]
    41 pub unsafe extern "C" fn service_to_ron_string(ptr: *const Service) -> *mut c_char {
    42     let p = &*ptr;
    43     let x = p.to_ron_string().unwrap();
    44     CString::new(x.as_str().as_bytes()).unwrap().into_raw()
    45 }
    46 #[no_mangle]
    47 pub unsafe extern "C" fn service_decode(ptr: *const u8, len: size_t) -> *mut Service {
    48     Box::into_raw(Box::new(Service::decode(slice::from_raw_parts(ptr, len)).unwrap()))
    49 }
    50 #[no_mangle]
    51 pub unsafe extern "C" fn service_encode(ptr: *const Service) -> *mut u8 {
    52     let p = &*ptr;
    53     let mut x = p.encode().unwrap();
    54     let r = x.as_mut_ptr();
    55     std::mem::forget(x);
    56     r
    57 }
    58 #[no_mangle]
    59 pub unsafe extern "C" fn free_custom_service(ptr: *mut CustomService) {
    60     if ptr.is_null() {
    61         return;
    62     }
    63     let _ = Box::from_raw(ptr);
    64 }
    65 #[no_mangle]
    66 pub unsafe extern "C" fn custom_service_from_string(
    67     ptr: *const c_char,
    68 ) -> *mut CustomService {
    69   assert!(!ptr.is_null());
    70   let p = CStr::from_ptr(ptr).to_str().unwrap();
    71   Box::into_raw(Box::new(p.into()))
    72 }
    73 #[no_mangle]
    74 pub unsafe extern "C" fn custom_service_from_json_string(ptr: *const c_char) -> *mut CustomService {
    75   assert!(!ptr.is_null());
    76   let s = CStr::from_ptr(ptr);
    77   Box::into_raw(Box::new(CustomService::from_json_str(&s.to_str().unwrap()).unwrap()))}
    78 #[no_mangle]
    79 pub unsafe extern "C" fn custom_service_to_json_string(
    80     ptr: *const CustomService,
    81 ) -> *mut c_char {
    82     let p = &*ptr;
    83     let x = p.to_json_string().unwrap();
    84     CString::new(x.as_str().as_bytes()).unwrap().into_raw()
    85 }
    86 #[no_mangle]
    87 pub unsafe extern "C" fn custom_service_from_ron_string(
    88     ptr: *const c_char,
    89 ) -> *mut CustomService {
    90   assert!(!ptr.is_null());
    91   let s = CStr::from_ptr(ptr);
    92   Box::into_raw(Box::new(CustomService::from_ron_str(&s.to_str().unwrap()).unwrap()))
    93 }
    94 #[no_mangle]
    95 pub unsafe extern "C" fn custom_service_to_ron_string(
    96     ptr: *const CustomService,
    97 ) -> *mut c_char {
    98     let p = &*ptr;
    99     let x = p.to_ron_string().unwrap();
   100     CString::new(x.as_str().as_bytes()).unwrap().into_raw()
   101 }
   102 #[no_mangle]
   103 pub unsafe extern "C" fn custom_service_decode(
   104     ptr: *const u8,
   105     len: size_t,
   106 ) -> *mut CustomService {
   107     Box::into_raw(
   108         Box::new(CustomService::decode(slice::from_raw_parts(ptr, len)).unwrap()),
   109     )
   110 }
   111 #[no_mangle]
   112 pub unsafe extern "C" fn custom_service_encode(ptr: *const CustomService) -> *mut u8 {
   113     let p = &*ptr;
   114     let mut x = p.encode().unwrap();
   115     let r = x.as_mut_ptr();
   116     std::mem::forget(x);
   117     r
   118 }