60 lines
2.1 KiB
Rust
60 lines
2.1 KiB
Rust
use crate::dynamic_data::{EmptyScriptResolver, ScriptResolver};
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use crate::ffi::{IdentifiablePointer, OwnedPtr};
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use std::ptr::drop_in_place;
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/// Instantiates a basic empty script resolver, that always returns None.
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#[no_mangle]
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extern "C" fn empty_script_resolver_new() -> IdentifiablePointer<Box<dyn ScriptResolver>> {
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let v: Box<dyn ScriptResolver> = Box::new(EmptyScriptResolver {
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identifier: Default::default(),
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});
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let id = v.value_identifier();
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let ptr = Box::into_raw(Box::new(v));
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IdentifiablePointer::new(ptr, id)
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}
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/// Drops a script resolver.
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#[no_mangle]
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extern "C" fn script_resolver_drop(ptr: OwnedPtr<Box<dyn ScriptResolver>>) {
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unsafe { drop_in_place(ptr) };
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}
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/// Foreign function interfaces for the Webassembly script resolver.
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#[cfg(feature = "wasm")]
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mod web_assembly_script_resolver {
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use crate::dynamic_data::ScriptResolver;
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use crate::ffi::{ExternPointer, IdentifiablePointer, NativeResult};
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use crate::script_implementations::wasm::script_resolver::WebAssemblyScriptResolver;
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/// Instantiates a new WebAssemblyScriptResolver.
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#[no_mangle]
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extern "C" fn webassembly_script_resolver_new() -> IdentifiablePointer<Box<dyn ScriptResolver>> {
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let v: Box<dyn ScriptResolver> = WebAssemblyScriptResolver::new();
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let id = v.value_identifier();
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let ptr = Box::into_raw(Box::new(v));
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IdentifiablePointer::new(ptr, id)
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}
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/// Load a compiled WASM module.
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#[no_mangle]
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extern "C" fn webassembly_script_resolver_load_wasm_from_bytes(
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mut ptr: ExternPointer<Box<WebAssemblyScriptResolver>>,
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arr: *const u8,
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len: usize,
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) -> NativeResult<()> {
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unsafe {
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ptr.as_mut()
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.load_wasm_from_bytes(std::slice::from_raw_parts(arr, len))
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.into()
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}
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}
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/// Tells the script resolver we're done loading wasm modules, and to finalize the resolver.
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#[no_mangle]
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extern "C" fn webassembly_script_resolver_finalize(
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mut ptr: ExternPointer<Box<WebAssemblyScriptResolver>>,
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) -> NativeResult<()> {
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ptr.as_mut().finalize().into()
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}
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}
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