PkmnLib_rs/src/ffi/static_data/libraries/mod.rs

75 lines
3.1 KiB
Rust

/// The foreign function interface for the growth rate library.
mod growth_rate_library;
/// The foreign function interface for the library settings.
mod library_settings;
/// The foreign function interface for the nature library.
mod nature_library;
/// The foreign function interface for the static data.
mod static_data;
/// The foreign function interface for the type library.
mod type_library;
use crate::ffi::{FFIHandle, FromFFIHandle};
use crate::ffi::{NonOwnedPtrString, OwnedPtrString};
use crate::static_data::*;
use std::ffi::CStr;
use std::sync::Arc;
/// Generates foreign function interfaces for a DataLibrary trait implementation.
macro_rules! library_interface {
($library_type_name:ident, $library_type:ty, $return_type:ty) => {
paste::paste! {
#[no_mangle]
extern "C" fn [< $library_type_name:snake _new >](capacity: usize) -> FFIHandle<$library_type> {
let value: $library_type = Arc::new([<$library_type_name Impl>]::new(capacity));
FFIHandle::get_handle(value.into())
}
#[no_mangle]
unsafe extern "C" fn [< $library_type_name:snake _add >](ptr: FFIHandle<$library_type>, key: NonOwnedPtrString, value: FFIHandle<Arc<$return_type>>) {
let lib = ptr.from_ffi_handle();
lib.add(&CStr::from_ptr(key).into(), value.from_ffi_handle());
}
#[no_mangle]
unsafe extern "C" fn [< $library_type_name:snake _remove >](ptr: FFIHandle<$library_type>, key: NonOwnedPtrString) {
let lib = ptr.from_ffi_handle();
lib.remove(&CStr::from_ptr(key).into());
}
#[no_mangle]
unsafe extern "C" fn [< $library_type_name:snake _get >](ptr: FFIHandle<$library_type>, key: NonOwnedPtrString) -> FFIHandle<Arc<$return_type>> {
let lib = ptr.from_ffi_handle();
let v = lib.get(&CStr::from_ptr(key).into());
if let Some(value) = v {
FFIHandle::get_handle(value.clone().into())
} else {
FFIHandle::none()
}
}
#[no_mangle]
unsafe extern "C" fn [< $library_type_name:snake _get_key_by_index >](ptr: FFIHandle<$library_type>, index: usize) -> OwnedPtrString {
let lib = ptr.from_ffi_handle();
let v = lib.get_key_by_index(index);
if let Some(value) = v {
OwnedPtrString(std::ffi::CString::new(value.str()).unwrap().into_raw())
} else {
OwnedPtrString(std::ptr::null_mut())
}
}
#[no_mangle]
unsafe extern "C" fn [< $library_type_name:snake _len >](ptr: FFIHandle<$library_type>) -> usize {
let lib = ptr.from_ffi_handle();
lib.len()
}
}
};
}
library_interface!(SpeciesLibrary, Arc<dyn SpeciesLibrary>, dyn Species);
library_interface!(MoveLibrary, Arc<dyn MoveLibrary>, dyn MoveData);
library_interface!(AbilityLibrary, Arc<dyn AbilityLibrary>, dyn Ability);
library_interface!(ItemLibrary, Arc<dyn ItemLibrary>, dyn Item);