mirror of
https://github.com/microsoft/regorus.git
synced 2026-08-05 02:16:11 +00:00
72070a7061
This allows holding onto objects, caching results etc easily. However it does introduce the overhead of ref counting. Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>
29 lines
840 B
Rust
29 lines
840 B
Rust
// Copyright (c) Microsoft Corporation.
|
|
// Licensed under the MIT License.
|
|
|
|
use crate::ast::{Expr, Ref};
|
|
use crate::builtins;
|
|
use crate::builtins::utils::{ensure_args_count, ensure_string};
|
|
use crate::lexer::Span;
|
|
use crate::value::Value;
|
|
|
|
use std::collections::HashMap;
|
|
|
|
use anyhow::Result;
|
|
use data_encoding::BASE64;
|
|
|
|
pub fn register(m: &mut HashMap<&'static str, builtins::BuiltinFcn>) {
|
|
m.insert("base64.decode", (base64_decode, 1));
|
|
}
|
|
|
|
fn base64_decode(span: &Span, params: &[Ref<Expr>], args: &[Value]) -> Result<Value> {
|
|
let name = "base64.decode";
|
|
ensure_args_count(span, name, params, args, 1)?;
|
|
|
|
let encoded_str = ensure_string(name, ¶ms[0], &args[0])?;
|
|
let decoded_bytes = BASE64.decode(encoded_str.as_bytes())?;
|
|
Ok(Value::String(
|
|
String::from_utf8_lossy(&decoded_bytes).to_string(),
|
|
))
|
|
}
|