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#![allow(clippy::needless_return)]
#![deny(clippy::implicit_return)]
use yttrium_key_base as key_base;
use rand::Rng;
#[cfg(feature = "loader")]
#[no_mangle]
pub fn key_create() -> *mut dyn key_base::Key {
return Box::into_raw(Box::new(std_rand {
info: create_key_info(),
function: key_function,
}));
}
pub fn safe_create() -> Box<dyn key_base::Key> {
return Box::new(std_rand {
info: create_key_info(),
function: key_function,
});
}
fn create_key_info() -> key_base::KeyInfo {
return key_base::KeyInfo {
name: String::from("rand"),
parameters_required: vec![0, 1, 2],
};
}
#[allow(non_camel_case_types)]
struct std_rand {
pub info: key_base::KeyInfo,
pub function: fn(parameter: &[String], environment: &mut key_base::environment::Environment) -> Result<String, String>,
}
impl key_base::Key for std_rand {
fn get_key_info(&self) -> &key_base::KeyInfo {
return &self.info;
}
fn get_key_function(&self) -> fn(parameter: &[String], environment: &mut key_base::environment::Environment) -> Result<String, String> {
return self.function;
}
}
fn key_function(parameter: &[String], _environment: &mut key_base::environment::Environment) -> Result<String, String> {
let lower = if !parameter.is_empty() { parameter[0].parse().unwrap() } else { 0 };
let upper = if parameter.len() == 2 { parameter[1].parse().unwrap() } else { 10 };
if lower > upper {
return Err(String::from("Lower bound was higher than upper bound in `rand`"));
}
let result = rand::thread_rng().gen_range(lower, upper);
return Ok(result.to_string());
}