nushell/crates/nu_plugin_fetch/src/nu/mod.rs
2020-05-30 11:22:38 +12:00

46 lines
1.4 KiB
Rust

use futures::executor::block_on;
use nu_errors::ShellError;
use nu_plugin::Plugin;
use nu_protocol::{CallInfo, ReturnValue, Signature, SyntaxShape};
use crate::fetch::fetch_helper;
use crate::Fetch;
impl Plugin for Fetch {
fn config(&mut self) -> Result<Signature, ShellError> {
Ok(Signature::build("fetch")
.desc("Load from a URL into a cell, convert to table if possible (avoid by appending '--raw')")
.required(
"URL",
SyntaxShape::String,
"the URL to fetch the contents from",
)
.named(
"user",
SyntaxShape::Any,
"the username when authenticating",
Some('u'),
)
.named(
"password",
SyntaxShape::Any,
"the password when authenticating",
Some('p'),
)
.switch("raw", "fetch contents as text rather than a table", Some('r'))
.filter())
}
fn begin_filter(&mut self, callinfo: CallInfo) -> Result<Vec<ReturnValue>, ShellError> {
self.setup(callinfo)?;
Ok(vec![block_on(fetch_helper(
&self.path.clone().ok_or_else(|| {
ShellError::labeled_error("internal error: path not set", "path not set", &self.tag)
})?,
self.has_raw,
self.user.clone(),
self.password.clone(),
))])
}
}