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denoland-deno/cli/ops/repl.rs
Ryan Dahl bdc97b3976
Organize dispatch a bit (#2796)
Just some clean up reorganization around flatbuffer/minimal dispatch
code. This is prep for adding a JSON dispatcher.
2019-08-21 20:42:48 -04:00

78 lines
2.1 KiB
Rust

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
use super::dispatch_flatbuffers::serialize_response;
use super::utils::blocking;
use super::utils::ok_buf;
use super::utils::CliOpResult;
use crate::msg;
use crate::repl;
use crate::resources;
use crate::state::ThreadSafeState;
use deno::*;
use flatbuffers::FlatBufferBuilder;
pub fn op_repl_start(
state: &ThreadSafeState,
base: &msg::Base<'_>,
data: Option<PinnedBuf>,
) -> CliOpResult {
assert!(data.is_none());
let inner = base.inner_as_repl_start().unwrap();
let cmd_id = base.cmd_id();
let history_file = String::from(inner.history_file().unwrap());
debug!("op_repl_start {}", history_file);
let history_path = repl::history_path(&state.dir, &history_file);
let repl = repl::Repl::new(history_path);
let resource = resources::add_repl(repl);
let builder = &mut FlatBufferBuilder::new();
let inner = msg::ReplStartRes::create(
builder,
&msg::ReplStartResArgs { rid: resource.rid },
);
ok_buf(serialize_response(
cmd_id,
builder,
msg::BaseArgs {
inner: Some(inner.as_union_value()),
inner_type: msg::Any::ReplStartRes,
..Default::default()
},
))
}
pub fn op_repl_readline(
_state: &ThreadSafeState,
base: &msg::Base<'_>,
data: Option<PinnedBuf>,
) -> CliOpResult {
assert!(data.is_none());
let inner = base.inner_as_repl_readline().unwrap();
let cmd_id = base.cmd_id();
let rid = inner.rid();
let prompt = inner.prompt().unwrap().to_owned();
debug!("op_repl_readline {} {}", rid, prompt);
blocking(base.sync(), move || {
let repl = resources::get_repl(rid)?;
let line = repl.lock().unwrap().readline(&prompt)?;
let builder = &mut FlatBufferBuilder::new();
let line_off = builder.create_string(&line);
let inner = msg::ReplReadlineRes::create(
builder,
&msg::ReplReadlineResArgs {
line: Some(line_off),
},
);
Ok(serialize_response(
cmd_id,
builder,
msg::BaseArgs {
inner: Some(inner.as_union_value()),
inner_type: msg::Any::ReplReadlineRes,
..Default::default()
},
))
})
}