49 lines
1.3 KiB
Rust
49 lines
1.3 KiB
Rust
use crate::ffi::{BorrowedPtr, ExternPointer, OwnedPtr};
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use crate::static_data::{Nature, NatureLibrary};
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use std::ffi::{c_char, CStr, CString};
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use std::ptr::drop_in_place;
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use std::sync::Arc;
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#[no_mangle]
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extern "C" fn nature_library_new(capacity: usize) -> OwnedPtr<NatureLibrary> {
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Box::into_raw(Box::new(NatureLibrary::new(capacity)))
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}
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#[no_mangle]
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unsafe extern "C" fn nature_library_drop(ptr: OwnedPtr<NatureLibrary>) {
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drop_in_place(ptr);
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}
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#[no_mangle]
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unsafe extern "C" fn nature_library_load_nature(
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ptr: ExternPointer<NatureLibrary>,
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name: BorrowedPtr<c_char>,
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nature: OwnedPtr<Nature>,
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) {
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ptr.as_mut()
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.load_nature(CStr::from_ptr(name).into(), *Box::from_raw(nature))
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}
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#[no_mangle]
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unsafe extern "C" fn nature_library_get_nature(
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ptr: ExternPointer<NatureLibrary>,
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name: BorrowedPtr<c_char>,
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) -> BorrowedPtr<Nature> {
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if let Some(nature) = ptr.as_ref().get_nature(&CStr::from_ptr(name).into()) {
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Arc::into_raw(nature.clone())
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} else {
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std::ptr::null()
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}
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}
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#[no_mangle]
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unsafe extern "C" fn nature_library_get_nature_name(
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ptr: ExternPointer<NatureLibrary>,
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nature: BorrowedPtr<Nature>,
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) -> OwnedPtr<c_char> {
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let arc = Arc::from_raw(nature);
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CString::new(ptr.as_ref().get_nature_name(&arc).str())
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.unwrap()
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.into_raw()
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}
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