Warning, /sdk/rust-qt-binding-generator/tests/rust_objects/src/interface.rs is written in an unsupported language. File is not indexed.
0001 /* generated by rust_qt_binding_generator */
0002 use libc::{c_char, c_ushort, c_int};
0003 use std::slice;
0004 use std::char::decode_utf16;
0005
0006 use std::sync::Arc;
0007 use std::sync::atomic::{AtomicPtr, Ordering};
0008 use std::ptr::null;
0009
0010 use implementation::*;
0011
0012
0013 pub enum QString {}
0014
0015 fn set_string_from_utf16(s: &mut String, str: *const c_ushort, len: c_int) {
0016 let utf16 = unsafe { slice::from_raw_parts(str, to_usize(len)) };
0017 let characters = decode_utf16(utf16.iter().cloned())
0018 .map(|r| r.unwrap());
0019 s.clear();
0020 s.extend(characters);
0021 }
0022
0023
0024
0025 fn to_usize(n: c_int) -> usize {
0026 if n < 0 {
0027 panic!("Cannot cast {} to usize", n);
0028 }
0029 n as usize
0030 }
0031
0032
0033 fn to_c_int(n: usize) -> c_int {
0034 if n > c_int::max_value() as usize {
0035 panic!("Cannot cast {} to c_int", n);
0036 }
0037 n as c_int
0038 }
0039
0040
0041 pub struct GroupQObject {}
0042
0043 pub struct GroupEmitter {
0044 qobject: Arc<AtomicPtr<GroupQObject>>,
0045 }
0046
0047 unsafe impl Send for GroupEmitter {}
0048
0049 impl GroupEmitter {
0050 /// Clone the emitter
0051 ///
0052 /// The emitter can only be cloned when it is mutable. The emitter calls
0053 /// into C++ code which may call into Rust again. If emmitting is possible
0054 /// from immutable structures, that might lead to access to a mutable
0055 /// reference. That is undefined behaviour and forbidden.
0056 pub fn clone(&mut self) -> GroupEmitter {
0057 GroupEmitter {
0058 qobject: self.qobject.clone(),
0059 }
0060 }
0061 fn clear(&self) {
0062 let n: *const GroupQObject = null();
0063 self.qobject.store(n as *mut GroupQObject, Ordering::SeqCst);
0064 }
0065 }
0066
0067 pub trait GroupTrait {
0068 fn new(emit: GroupEmitter,
0069 person: Person) -> Self;
0070 fn emit(&mut self) -> &mut GroupEmitter;
0071 fn person(&self) -> &Person;
0072 fn person_mut(&mut self) -> &mut Person;
0073 }
0074
0075 #[no_mangle]
0076 pub extern "C" fn group_new(
0077 group: *mut GroupQObject,
0078 person: *mut PersonQObject,
0079 object: *mut InnerObjectQObject,
0080 object_description_changed: extern fn(*mut InnerObjectQObject),
0081 ) -> *mut Group {
0082 let object_emit = InnerObjectEmitter {
0083 qobject: Arc::new(AtomicPtr::new(object)),
0084 description_changed: object_description_changed,
0085 };
0086 let d_object = InnerObject::new(object_emit);
0087 let person_emit = PersonEmitter {
0088 qobject: Arc::new(AtomicPtr::new(person)),
0089 };
0090 let d_person = Person::new(person_emit,
0091 d_object);
0092 let group_emit = GroupEmitter {
0093 qobject: Arc::new(AtomicPtr::new(group)),
0094 };
0095 let d_group = Group::new(group_emit,
0096 d_person);
0097 Box::into_raw(Box::new(d_group))
0098 }
0099
0100 #[no_mangle]
0101 pub unsafe extern "C" fn group_free(ptr: *mut Group) {
0102 Box::from_raw(ptr).emit().clear();
0103 }
0104
0105 #[no_mangle]
0106 pub unsafe extern "C" fn group_person_get(ptr: *mut Group) -> *mut Person {
0107 (&mut *ptr).person_mut()
0108 }
0109
0110 pub struct InnerObjectQObject {}
0111
0112 pub struct InnerObjectEmitter {
0113 qobject: Arc<AtomicPtr<InnerObjectQObject>>,
0114 description_changed: extern fn(*mut InnerObjectQObject),
0115 }
0116
0117 unsafe impl Send for InnerObjectEmitter {}
0118
0119 impl InnerObjectEmitter {
0120 /// Clone the emitter
0121 ///
0122 /// The emitter can only be cloned when it is mutable. The emitter calls
0123 /// into C++ code which may call into Rust again. If emmitting is possible
0124 /// from immutable structures, that might lead to access to a mutable
0125 /// reference. That is undefined behaviour and forbidden.
0126 pub fn clone(&mut self) -> InnerObjectEmitter {
0127 InnerObjectEmitter {
0128 qobject: self.qobject.clone(),
0129 description_changed: self.description_changed,
0130 }
0131 }
0132 fn clear(&self) {
0133 let n: *const InnerObjectQObject = null();
0134 self.qobject.store(n as *mut InnerObjectQObject, Ordering::SeqCst);
0135 }
0136 pub fn description_changed(&mut self) {
0137 let ptr = self.qobject.load(Ordering::SeqCst);
0138 if !ptr.is_null() {
0139 (self.description_changed)(ptr);
0140 }
0141 }
0142 }
0143
0144 pub trait InnerObjectTrait {
0145 fn new(emit: InnerObjectEmitter) -> Self;
0146 fn emit(&mut self) -> &mut InnerObjectEmitter;
0147 fn description(&self) -> &str;
0148 fn set_description(&mut self, value: String);
0149 }
0150
0151 #[no_mangle]
0152 pub extern "C" fn inner_object_new(
0153 inner_object: *mut InnerObjectQObject,
0154 inner_object_description_changed: extern fn(*mut InnerObjectQObject),
0155 ) -> *mut InnerObject {
0156 let inner_object_emit = InnerObjectEmitter {
0157 qobject: Arc::new(AtomicPtr::new(inner_object)),
0158 description_changed: inner_object_description_changed,
0159 };
0160 let d_inner_object = InnerObject::new(inner_object_emit);
0161 Box::into_raw(Box::new(d_inner_object))
0162 }
0163
0164 #[no_mangle]
0165 pub unsafe extern "C" fn inner_object_free(ptr: *mut InnerObject) {
0166 Box::from_raw(ptr).emit().clear();
0167 }
0168
0169 #[no_mangle]
0170 pub unsafe extern "C" fn inner_object_description_get(
0171 ptr: *const InnerObject,
0172 p: *mut QString,
0173 set: extern fn(*mut QString, *const c_char, c_int),
0174 ) {
0175 let o = &*ptr;
0176 let v = o.description();
0177 let s: *const c_char = v.as_ptr() as *const c_char;
0178 set(p, s, to_c_int(v.len()));
0179 }
0180
0181 #[no_mangle]
0182 pub unsafe extern "C" fn inner_object_description_set(ptr: *mut InnerObject, v: *const c_ushort, len: c_int) {
0183 let o = &mut *ptr;
0184 let mut s = String::new();
0185 set_string_from_utf16(&mut s, v, len);
0186 o.set_description(s);
0187 }
0188
0189 pub struct PersonQObject {}
0190
0191 pub struct PersonEmitter {
0192 qobject: Arc<AtomicPtr<PersonQObject>>,
0193 }
0194
0195 unsafe impl Send for PersonEmitter {}
0196
0197 impl PersonEmitter {
0198 /// Clone the emitter
0199 ///
0200 /// The emitter can only be cloned when it is mutable. The emitter calls
0201 /// into C++ code which may call into Rust again. If emmitting is possible
0202 /// from immutable structures, that might lead to access to a mutable
0203 /// reference. That is undefined behaviour and forbidden.
0204 pub fn clone(&mut self) -> PersonEmitter {
0205 PersonEmitter {
0206 qobject: self.qobject.clone(),
0207 }
0208 }
0209 fn clear(&self) {
0210 let n: *const PersonQObject = null();
0211 self.qobject.store(n as *mut PersonQObject, Ordering::SeqCst);
0212 }
0213 }
0214
0215 pub trait PersonTrait {
0216 fn new(emit: PersonEmitter,
0217 object: InnerObject) -> Self;
0218 fn emit(&mut self) -> &mut PersonEmitter;
0219 fn object(&self) -> &InnerObject;
0220 fn object_mut(&mut self) -> &mut InnerObject;
0221 }
0222
0223 #[no_mangle]
0224 pub extern "C" fn person_new(
0225 person: *mut PersonQObject,
0226 object: *mut InnerObjectQObject,
0227 object_description_changed: extern fn(*mut InnerObjectQObject),
0228 ) -> *mut Person {
0229 let object_emit = InnerObjectEmitter {
0230 qobject: Arc::new(AtomicPtr::new(object)),
0231 description_changed: object_description_changed,
0232 };
0233 let d_object = InnerObject::new(object_emit);
0234 let person_emit = PersonEmitter {
0235 qobject: Arc::new(AtomicPtr::new(person)),
0236 };
0237 let d_person = Person::new(person_emit,
0238 d_object);
0239 Box::into_raw(Box::new(d_person))
0240 }
0241
0242 #[no_mangle]
0243 pub unsafe extern "C" fn person_free(ptr: *mut Person) {
0244 Box::from_raw(ptr).emit().clear();
0245 }
0246
0247 #[no_mangle]
0248 pub unsafe extern "C" fn person_object_get(ptr: *mut Person) -> *mut InnerObject {
0249 (&mut *ptr).object_mut()
0250 }