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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use deno_core::error::type_error;
use deno_core::error::AnyError;
use deno_core::op;
use deno_core::OpState;
use deno_core::ResourceId;
use deno_core::ZeroCopyBuf;
use std::rc::Rc;
mod digest;
#[op]
pub fn op_node_create_hash(
state: &mut OpState,
algorithm: String,
) -> Result<ResourceId, AnyError> {
Ok(state.resource_table.add(digest::Context::new(&algorithm)?))
}
#[op]
pub fn op_node_hash_update(
state: &mut OpState,
rid: ResourceId,
data: &[u8],
) -> Result<(), AnyError> {
let context = state.resource_table.get::<digest::Context>(rid)?;
context.update(data);
Ok(())
}
#[op]
pub fn op_node_hash_digest(
state: &mut OpState,
rid: ResourceId,
) -> Result<ZeroCopyBuf, AnyError> {
let context = state.resource_table.take::<digest::Context>(rid)?;
let context = Rc::try_unwrap(context)
.map_err(|_| type_error("Hash context is already in use"))?;
Ok(context.digest()?.into())
}
#[op]
pub fn op_node_hash_clone(
state: &mut OpState,
rid: ResourceId,
) -> Result<ResourceId, AnyError> {
let context = state.resource_table.get::<digest::Context>(rid)?;
Ok(state.resource_table.add(context.as_ref().clone()))
}
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