27 lines
665 B
Rust
27 lines
665 B
Rust
use super::AppBuilder;
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use libloading::{Library, Symbol};
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use std::any::Any;
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pub trait AppPlugin: Any + Send + Sync {
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fn build(&self, app: &mut AppBuilder);
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fn name(&self) -> &str {
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type_name_of_val(self)
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}
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}
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pub type CreateAppPlugin = unsafe fn() -> *mut dyn AppPlugin;
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pub fn load_plugin(path: &str) -> (Library, Box<dyn AppPlugin>) {
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let lib = Library::new(path).unwrap();
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unsafe {
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let func: Symbol<CreateAppPlugin> = lib.get(b"_create_plugin").unwrap();
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let plugin = Box::from_raw(func());
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(lib, plugin)
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}
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}
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fn type_name_of_val<T: ?Sized>(_val: &T) -> &'static str {
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std::any::type_name::<T>()
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}
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