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- Add new `sal-rhai` crate for Rhai scripting integration - Integrate Rhai with existing SAL modules - Improve error handling for Rhai scripts and SAL functions - Add comprehensive unit and integration tests for `sal-rhai`
54 lines
1.9 KiB
Rust
54 lines
1.9 KiB
Rust
//! Rhai wrappers for core engine functions
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//!
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//! This module provides Rhai wrappers for functions that interact with the Rhai engine itself.
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use super::error::ToRhaiError;
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use rhai::{Engine, EvalAltResult, NativeCallContext};
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use sal_os as os;
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/// Register core module functions with the Rhai engine
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///
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/// # Arguments
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///
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/// * `engine` - The Rhai engine to register the functions with
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///
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/// # Returns
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///
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/// * `Result<(), Box<EvalAltResult>>` - Ok if registration was successful, Err otherwise
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pub fn register_core_module(engine: &mut Engine) -> Result<(), Box<EvalAltResult>> {
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engine.register_fn("exec", exec);
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Ok(())
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}
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/// Execute a Rhai script from a URL, file, or string
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///
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/// # Arguments
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///
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/// * `context` - The native call context, used to access the Rhai engine
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/// * `source` - The source of the script to execute. Can be a URL, a file path, or a string of code.
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///
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/// # Returns
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///
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/// * `Result<rhai::Dynamic, Box<EvalAltResult>>` - The result of the script execution
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pub fn exec(context: NativeCallContext, source: &str) -> Result<rhai::Dynamic, Box<EvalAltResult>> {
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let content = if source.starts_with("http://") || source.starts_with("https://") {
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// If the source is a URL, download it to a temporary file
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let temp_dir = std::env::temp_dir();
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let file_name = source.split('/').last().unwrap_or("script.rhai");
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let dest_path = temp_dir.join(format!("{}-{}", uuid::Uuid::new_v4(), file_name));
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let dest_str = dest_path.to_str().unwrap();
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os::download_file(source, dest_str, 0).to_rhai_error()?;
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os::file_read(dest_str).to_rhai_error()?
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} else if os::exist(source) {
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// If the source is an existing file, read it
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os::file_read(source).to_rhai_error()?
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} else {
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// Otherwise, treat the source as the script content itself
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source.to_string()
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};
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// Execute the script content
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context.engine().eval(&content)
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}
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