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JT
2021-10-25 17:01:02 +13:00
parent ab9d6b206d
commit b6d269e90a
63 changed files with 1075 additions and 1013 deletions
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41
crates/nu-command/src/conversions/into/binary.rs
View File

@ -1,9 +1,10 @@
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
Example, ShellError, Signature, Span, SyntaxShape, Value,
Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, SyntaxShape, Value,
};
#[derive(Clone)]
pub struct SubCommand;
impl Command for SubCommand {
@ -27,8 +28,8 @@ impl Command for SubCommand {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
into_binary(context, call, input)
}
@ -86,26 +87,28 @@ impl Command for SubCommand {
fn into_binary(
_context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let head = call.head;
// let column_paths: Vec<CellPath> = call.rest(context, 0)?;
input.map(head, move |v| {
action(v, head)
// FIXME: Add back in cell_path support
// if column_paths.is_empty() {
// action(v, head)
// } else {
// let mut ret = v;
// for path in &column_paths {
// ret =
// ret.swap_data_by_cell_path(path, Box::new(move |old| action(old, old.tag())))?;
// }
Ok(input
.map(move |v| {
action(v, head)
// FIXME: Add back in cell_path support
// if column_paths.is_empty() {
// action(v, head)
// } else {
// let mut ret = v;
// for path in &column_paths {
// ret =
// ret.swap_data_by_cell_path(path, Box::new(move |old| action(old, old.tag())))?;
// }
// Ok(ret)
// }
})
// Ok(ret)
// }
})
.into_pipeline_data())
}
fn int_to_endian(n: i64) -> Vec<u8> {

10
crates/nu-command/src/conversions/into/command.rs
View File

@ -2,9 +2,10 @@ use nu_engine::get_full_help;
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
Signature, Value,
IntoPipelineData, PipelineData, Signature, Value,
};
#[derive(Clone)]
pub struct Into;
impl Command for Into {
@ -24,12 +25,13 @@ impl Command for Into {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
Ok(Value::String {
val: get_full_help(&Into.signature(), &[], context),
span: call.head,
})
}
.into_pipeline_data())
}
}

45
crates/nu-command/src/conversions/into/filesize.rs
View File

@ -1,9 +1,10 @@
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
Example, ShellError, Signature, Span, SyntaxShape, Value,
Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, SyntaxShape, Value,
};
#[derive(Clone)]
pub struct SubCommand;
impl Command for SubCommand {
@ -27,8 +28,8 @@ impl Command for SubCommand {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
into_filesize(context, call, input)
}
@ -114,29 +115,31 @@ impl Command for SubCommand {
fn into_filesize(
_context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let head = call.head;
// let call_paths: Vec<ColumnPath> = args.rest(0)?;
input.map(head, move |v| {
action(v, head)
Ok(input
.map(move |v| {
action(v, head)
// FIXME: Add back cell_path support
// if column_paths.is_empty() {
// action(&v, v.tag())
// } else {
// let mut ret = v;
// for path in &column_paths {
// ret = ret.swap_data_by_column_path(
// path,
// Box::new(move |old| action(old, old.tag())),
// )?;
// }
// FIXME: Add back cell_path support
// if column_paths.is_empty() {
// action(&v, v.tag())
// } else {
// let mut ret = v;
// for path in &column_paths {
// ret = ret.swap_data_by_column_path(
// path,
// Box::new(move |old| action(old, old.tag())),
// )?;
// }
// Ok(ret)
// }
})
// Ok(ret)
// }
})
.into_pipeline_data())
}
pub fn action(input: Value, span: Span) -> Value {

47
crates/nu-command/src/conversions/into/int.rs
View File

@ -1,9 +1,10 @@
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
Example, IntoValueStream, ShellError, Signature, Span, SyntaxShape, Value,
Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, SyntaxShape, Value,
};
#[derive(Clone)]
pub struct SubCommand;
impl Command for SubCommand {
@ -27,8 +28,8 @@ impl Command for SubCommand {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
into_int(context, call, input)
}
@ -78,10 +79,8 @@ impl Command for SubCommand {
Example {
description: "Convert bool to integer",
example: "[$false, $true] | into int",
result: Some(Value::Stream {
stream: vec![Value::test_int(0), Value::test_int(1)]
.into_iter()
.into_value_stream(),
result: Some(Value::List {
vals: vec![Value::test_int(0), Value::test_int(1)],
span: Span::unknown(),
}),
},
@ -92,26 +91,28 @@ impl Command for SubCommand {
fn into_int(
_context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let head = call.head;
// let column_paths: Vec<CellPath> = call.rest(context, 0)?;
input.map(head, move |v| {
action(v, head)
// FIXME: Add back cell_path support
// if column_paths.is_empty() {
// action(&v, v.tag())
// } else {
// let mut ret = v;
// for path in &column_paths {
// ret = ret
// .swap_data_by_column_path(path, Box::new(move |old| action(old, old.tag())))?;
// }
Ok(input
.map(move |v| {
action(v, head)
// FIXME: Add back cell_path support
// if column_paths.is_empty() {
// action(&v, v.tag())
// } else {
// let mut ret = v;
// for path in &column_paths {
// ret = ret
// .swap_data_by_column_path(path, Box::new(move |old| action(old, old.tag())))?;
// }
// Ok(ret)
// }
})
// Ok(ret)
// }
})
.into_pipeline_data())
}
pub fn action(input: Value, span: Span) -> Value {

9
crates/nu-command/src/core_commands/alias.rs
View File

@ -1,7 +1,8 @@
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Alias;
impl Command for Alias {
@ -27,8 +28,8 @@ impl Command for Alias {
&self,
_context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
Ok(Value::Nothing { span: call.head })
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
Ok(PipelineData::new())
}
}

9
crates/nu-command/src/core_commands/def.rs
View File

@ -1,7 +1,8 @@
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Def;
impl Command for Def {
@ -28,8 +29,8 @@ impl Command for Def {
&self,
_context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
Ok(Value::Nothing { span: call.head })
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
Ok(PipelineData::new())
}
}

10
crates/nu-command/src/core_commands/do_.rs
View File

@ -1,8 +1,9 @@
use nu_engine::{eval_block, CallExt};
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Do;
impl Command for Do {
@ -29,15 +30,14 @@ impl Command for Do {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let block_id = call.positional[0]
.as_block()
.expect("internal error: expected block");
let rest: Vec<Value> = call.rest(context, 1)?;
let engine_state = context.engine_state.borrow();
let block = engine_state.get_block(block_id);
let block = context.engine_state.get_block(block_id);
let state = context.enter_scope();

9
crates/nu-command/src/core_commands/export_def.rs
View File

@ -1,7 +1,8 @@
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct ExportDef;
impl Command for ExportDef {
@ -28,8 +29,8 @@ impl Command for ExportDef {
&self,
_context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
Ok(Value::Nothing { span: call.head })
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
Ok(PipelineData::new())
}
}

34
crates/nu-command/src/core_commands/for_.rs
View File

@ -1,8 +1,9 @@
use nu_engine::{eval_block, eval_expression};
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Example, Signature, Span, SyntaxShape, Value};
use nu_protocol::{Example, IntoPipelineData, PipelineData, Signature, Span, SyntaxShape, Value};
#[derive(Clone)]
pub struct For;
impl Command for For {
@ -38,8 +39,8 @@ impl Command for For {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let var_id = call.positional[0]
.as_var()
.expect("internal error: missing variable");
@ -55,19 +56,26 @@ impl Command for For {
let context = context.clone();
values.map(call.head, move |x| {
let engine_state = context.engine_state.borrow();
let block = engine_state.get_block(block);
match values {
Value::List { vals, span } => Ok(vals
.into_iter()
.map(move |x| {
let block = context.engine_state.get_block(block);
let state = context.enter_scope();
let state = context.enter_scope();
state.add_var(var_id, x);
state.add_var(var_id, x);
match eval_block(&state, block, Value::nothing()) {
Ok(value) => value,
Err(error) => Value::Error { error },
}
})
match eval_block(&state, block, PipelineData::new()) {
Ok(value) => Value::List {
vals: value.collect(),
span,
},
Err(error) => Value::Error { error },
}
})
.into_pipeline_data()),
}
}
fn examples(&self) -> Vec<Example> {

26
crates/nu-command/src/core_commands/help.rs
View File

@ -1,11 +1,13 @@
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
span, Example, ShellError, Signature, Spanned, SyntaxShape, Value,
span, Example, IntoPipelineData, PipelineData, ShellError, Signature, Spanned, SyntaxShape,
Value,
};
use nu_engine::{get_full_help, CallExt};
#[derive(Clone)]
pub struct Help;
impl Command for Help {
@ -36,8 +38,8 @@ impl Command for Help {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<Value, ShellError> {
_input: PipelineData,
) -> Result<PipelineData, ShellError> {
help(context, call)
}
@ -72,7 +74,7 @@ impl Command for Help {
}
}
fn help(context: &EvaluationContext, call: &Call) -> Result<Value, ShellError> {
fn help(context: &EvaluationContext, call: &Call) -> Result<PipelineData, ShellError> {
let head = call.head;
let find: Option<Spanned<String>> = call.get_flag(context, "find")?;
let rest: Vec<Spanned<String>> = call.rest(context, 0)?;
@ -114,10 +116,7 @@ fn help(context: &EvaluationContext, call: &Call) -> Result<Value, ShellError> {
}
}
return Ok(Value::List {
vals: found_cmds_vec,
span: head,
});
return Ok(found_cmds_vec.into_iter().into_pipeline_data());
}
if !rest.is_empty() {
@ -151,10 +150,7 @@ fn help(context: &EvaluationContext, call: &Call) -> Result<Value, ShellError> {
});
}
Ok(Value::List {
vals: found_cmds_vec,
span: head,
})
Ok(found_cmds_vec.into_iter().into_pipeline_data())
} else {
let mut name = String::new();
let mut output = String::new();
@ -177,7 +173,8 @@ fn help(context: &EvaluationContext, call: &Call) -> Result<Value, ShellError> {
Ok(Value::String {
val: output,
span: call.head,
})
}
.into_pipeline_data())
} else {
Err(ShellError::CommandNotFound(span(&[
rest[0].span,
@ -355,7 +352,8 @@ You can also learn more at https://www.nushell.sh/book/"#;
Ok(Value::String {
val: msg.into(),
span: head,
})
}
.into_pipeline_data())
}
}

9
crates/nu-command/src/core_commands/hide.rs
View File

@ -1,7 +1,8 @@
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Hide;
impl Command for Hide {
@ -21,8 +22,8 @@ impl Command for Hide {
&self,
_context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
Ok(Value::Nothing { span: call.head })
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
Ok(PipelineData::new())
}
}

18
crates/nu-command/src/core_commands/if_.rs
View File

@ -1,8 +1,9 @@
use nu_engine::{eval_block, eval_expression};
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, SyntaxShape, Value};
use nu_protocol::{IntoPipelineData, PipelineData, ShellError, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct If;
impl Command for If {
@ -29,8 +30,8 @@ impl Command for If {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let cond = &call.positional[0];
let then_block = call.positional[1]
.as_block()
@ -40,25 +41,24 @@ impl Command for If {
let result = eval_expression(context, cond)?;
match result {
Value::Bool { val, span } => {
let engine_state = context.engine_state.borrow();
if val {
let block = engine_state.get_block(then_block);
let block = context.engine_state.get_block(then_block);
let state = context.enter_scope();
eval_block(&state, block, input)
} else if let Some(else_case) = else_case {
if let Some(else_expr) = else_case.as_keyword() {
if let Some(block_id) = else_expr.as_block() {
let block = engine_state.get_block(block_id);
let block = context.engine_state.get_block(block_id);
let state = context.enter_scope();
eval_block(&state, block, input)
} else {
eval_expression(context, else_expr)
eval_expression(context, else_expr).map(|x| x.into_pipeline_data())
}
} else {
eval_expression(context, else_case)
eval_expression(context, else_case).map(|x| x.into_pipeline_data())
}
} else {
Ok(Value::Nothing { span })
Ok(PipelineData::new())
}
}
_ => Err(ShellError::CantConvert("bool".into(), result.span()?)),

11
crates/nu-command/src/core_commands/let_.rs
View File

@ -1,8 +1,9 @@
use nu_engine::eval_expression;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Let;
impl Command for Let {
@ -28,8 +29,8 @@ impl Command for Let {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let var_id = call.positional[0]
.as_var()
.expect("internal error: missing variable");
@ -43,8 +44,6 @@ impl Command for Let {
//println!("Adding: {:?} to {}", rhs, var_id);
context.add_var(var_id, rhs);
Ok(Value::Nothing {
span: call.positional[0].span,
})
Ok(PipelineData::new())
}
}

9
crates/nu-command/src/core_commands/module.rs
View File

@ -1,7 +1,8 @@
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Module;
impl Command for Module {
@ -27,8 +28,8 @@ impl Command for Module {
&self,
_context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
Ok(Value::Nothing { span: call.head })
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
Ok(PipelineData::new())
}
}

13
crates/nu-command/src/core_commands/source.rs
View File

@ -1,9 +1,10 @@
use nu_engine::{eval_block, CallExt};
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, ShellError, Signature, SyntaxShape, Value};
/// Source a file for environment variables.
#[derive(Clone)]
pub struct Source;
impl Command for Source {
@ -27,17 +28,13 @@ impl Command for Source {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<Value, ShellError> {
input: PipelineData,
) -> Result<PipelineData, ShellError> {
// Note: this hidden positional is the block_id that corresponded to the 0th position
// it is put here by the parser
let block_id: i64 = call.req(context, 1)?;
let block = context
.engine_state
.borrow()
.get_block(block_id as usize)
.clone();
let block = context.engine_state.get_block(block_id as usize).clone();
eval_block(context, &block, input)
}
}

9
crates/nu-command/src/core_commands/use_.rs
View File

@ -1,7 +1,8 @@
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Use;
impl Command for Use {
@ -21,8 +22,8 @@ impl Command for Use {
&self,
_context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
Ok(Value::Nothing { span: call.head })
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
Ok(PipelineData::new())
}
}

11
crates/nu-command/src/env/let_env.rs vendored
View File

@ -1,8 +1,9 @@
use nu_engine::eval_expression;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct LetEnv;
impl Command for LetEnv {
@ -28,8 +29,8 @@ impl Command for LetEnv {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let env_var = call.positional[0]
.as_string()
.expect("internal error: missing variable");
@ -44,8 +45,6 @@ impl Command for LetEnv {
//println!("Adding: {:?} to {}", rhs, var_id);
context.add_env_var(env_var, rhs);
Ok(Value::Nothing {
span: call.positional[0].span,
})
Ok(PipelineData::new())
}
}

14
crates/nu-command/src/example_test.rs
View File

@ -4,19 +4,18 @@ use nu_engine::eval_block;
use nu_parser::parse;
use nu_protocol::{
engine::{Command, EngineState, EvaluationContext, StateWorkingSet},
Value,
PipelineData, Value,
};
use super::{From, Into, Split};
pub fn test_examples(cmd: impl Command + 'static) {
let examples = cmd.examples();
let engine_state = Rc::new(RefCell::new(EngineState::new()));
let mut engine_state = Box::new(EngineState::new());
let delta = {
// Base functions that are needed for testing
// Try to keep this working set small to keep tests running as fast as possible
let engine_state = engine_state.borrow();
let mut working_set = StateWorkingSet::new(&*engine_state);
working_set.add_decl(Box::new(From));
working_set.add_decl(Box::new(Into));
@ -28,7 +27,7 @@ pub fn test_examples(cmd: impl Command + 'static) {
working_set.render()
};
EngineState::merge_delta(&mut *engine_state.borrow_mut(), delta);
EngineState::merge_delta(&mut *engine_state, delta);
for example in examples {
// Skip tests that don't have results to compare to
@ -38,7 +37,7 @@ pub fn test_examples(cmd: impl Command + 'static) {
let start = std::time::Instant::now();
let (block, delta) = {
let engine_state = engine_state.borrow();
let engine_state = engine_state;
let mut working_set = StateWorkingSet::new(&*engine_state);
let (output, err) = parse(&mut working_set, None, example.example.as_bytes(), false);
@ -49,16 +48,17 @@ pub fn test_examples(cmd: impl Command + 'static) {
(output, working_set.render())
};
EngineState::merge_delta(&mut *engine_state.borrow_mut(), delta);
EngineState::merge_delta(&mut *engine_state, delta);
let state = EvaluationContext {
engine_state: engine_state.clone(),
stack: nu_protocol::engine::Stack::new(),
};
match eval_block(&state, &block, Value::nothing()) {
match eval_block(&state, &block, PipelineData::new()) {
Err(err) => panic!("test eval error in `{}`: {:?}", example.example, err),
Ok(result) => {
let result = result.into_value();
println!("input: {}", example.example);
println!("result: {:?}", result);
println!("done: {:?}", start.elapsed());

14
crates/nu-command/src/experimental/git.rs
View File

@ -1,7 +1,8 @@
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, Value};
use nu_protocol::{IntoPipelineData, PipelineData, Signature, Value};
#[derive(Clone)]
pub struct Git;
impl Command for Git {
@ -21,8 +22,8 @@ impl Command for Git {
&self,
_context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
use std::process::Command as ProcessCommand;
use std::process::Stdio;
@ -37,17 +38,18 @@ impl Command for Git {
Ok(Value::String {
val: String::from_utf8_lossy(&result).to_string(),
span: call.head,
})
}
.into_pipeline_data())
}
Err(_err) => {
// FIXME: Move this to an external signature and add better error handling
Ok(Value::nothing())
Ok(PipelineData::new())
}
}
}
Err(_err) => {
// FIXME: Move this to an external signature and add better error handling
Ok(Value::nothing())
Ok(PipelineData::new())
}
}
}

14
crates/nu-command/src/experimental/git_checkout.rs
View File

@ -1,8 +1,9 @@
use nu_engine::eval_expression;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{IntoPipelineData, PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct GitCheckout;
impl Command for GitCheckout {
@ -26,8 +27,8 @@ impl Command for GitCheckout {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
use std::process::Command as ProcessCommand;
use std::process::Stdio;
@ -52,17 +53,18 @@ impl Command for GitCheckout {
Ok(Value::String {
val: String::from_utf8_lossy(&result).to_string(),
span: call.head,
})
}
.into_pipeline_data())
}
Err(_err) => {
// FIXME: Move this to an external signature and add better error handling
Ok(Value::nothing())
Ok(PipelineData::new())
}
}
}
Err(_err) => {
// FIXME: Move this to an external signature and add better error handling
Ok(Value::nothing())
Ok(PipelineData::new())
}
}
}

16
crates/nu-command/src/experimental/list_git_branches.rs
View File

@ -5,8 +5,11 @@ use std::process::Stdio;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::IntoPipelineData;
use nu_protocol::PipelineData;
use nu_protocol::{Signature, Value};
#[derive(Clone)]
pub struct ListGitBranches;
//NOTE: this is not a real implementation :D. It's just a simple one to test with until we port the real one.
@ -27,8 +30,8 @@ impl Command for ListGitBranches {
&self,
_context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let list_branches = ProcessCommand::new("git")
.arg("branch")
.stdout(Stdio::piped())
@ -55,15 +58,12 @@ impl Command for ListGitBranches {
})
.collect();
Ok(Value::List {
vals: lines,
span: call.head,
})
Ok(lines.into_iter().into_pipeline_data())
} else {
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
} else {
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
}
}

9
crates/nu-command/src/filesystem/cd.rs
View File

@ -1,8 +1,9 @@
use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Cd;
impl Command for Cd {
@ -22,8 +23,8 @@ impl Command for Cd {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let path: Option<String> = call.opt(context, 0)?;
let path = match path {
@ -41,6 +42,6 @@ impl Command for Cd {
//FIXME: this only changes the current scope, but instead this environment variable
//should probably be a block that loads the information from the state in the overlay
context.add_env_var("PWD".into(), path);
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
}

9
crates/nu-command/src/filesystem/cp.rs
View File

@ -6,10 +6,11 @@ use nu_engine::CallExt;
use nu_path::canonicalize_with;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, ShellError, Signature, SyntaxShape, Value};
use crate::filesystem::util::FileStructure;
#[derive(Clone)]
pub struct Cp;
#[allow(unused_must_use)]
@ -39,8 +40,8 @@ impl Command for Cp {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<Value, ShellError> {
_input: PipelineData,
) -> Result<PipelineData, ShellError> {
let source: String = call.req(context, 0)?;
let destination: String = call.req(context, 1)?;
let interactive = call.has_flag("interactive");
@ -202,6 +203,6 @@ impl Command for Cp {
}
}
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
}

120
crates/nu-command/src/filesystem/ls.rs
View File

@ -2,8 +2,9 @@ use chrono::{DateTime, Utc};
use nu_engine::eval_expression;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{IntoValueStream, Signature, SyntaxShape, Value};
use nu_protocol::{IntoPipelineData, PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Ls;
//NOTE: this is not a real implementation :D. It's just a simple one to test with until we port the real one.
@ -28,8 +29,8 @@ impl Command for Ls {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let pattern = if let Some(expr) = call.positional.get(0) {
let result = eval_expression(context, expr)?;
let mut result = result.as_string()?;
@ -50,69 +51,66 @@ impl Command for Ls {
let call_span = call.head;
let glob = glob::glob(&pattern).unwrap();
Ok(Value::Stream {
stream: glob
.into_iter()
.map(move |x| match x {
Ok(path) => match std::fs::symlink_metadata(&path) {
Ok(metadata) => {
let is_file = metadata.is_file();
let is_dir = metadata.is_dir();
let filesize = metadata.len();
Ok(glob
.into_iter()
.map(move |x| match x {
Ok(path) => match std::fs::symlink_metadata(&path) {
Ok(metadata) => {
let is_file = metadata.is_file();
let is_dir = metadata.is_dir();
let filesize = metadata.len();
let mut cols = vec!["name".into(), "type".into(), "size".into()];
let mut cols = vec!["name".into(), "type".into(), "size".into()];
let mut vals = vec![
Value::String {
val: path.to_string_lossy().to_string(),
span: call_span,
},
if is_file {
Value::string("File", call_span)
} else if is_dir {
Value::string("Dir", call_span)
} else {
Value::Nothing { span: call_span }
},
Value::Filesize {
val: filesize as i64,
span: call_span,
},
];
if let Ok(date) = metadata.modified() {
let utc: DateTime<Utc> = date.into();
cols.push("modified".into());
vals.push(Value::Date {
val: utc.into(),
span: call_span,
});
}
Value::Record {
cols,
vals,
let mut vals = vec![
Value::String {
val: path.to_string_lossy().to_string(),
span: call_span,
}
},
if is_file {
Value::string("File", call_span)
} else if is_dir {
Value::string("Dir", call_span)
} else {
Value::Nothing { span: call_span }
},
Value::Filesize {
val: filesize as i64,
span: call_span,
},
];
if let Ok(date) = metadata.modified() {
let utc: DateTime<Utc> = date.into();
cols.push("modified".into());
vals.push(Value::Date {
val: utc.into(),
span: call_span,
});
}
Err(_) => Value::Record {
cols: vec!["name".into(), "type".into(), "size".into()],
vals: vec![
Value::String {
val: path.to_string_lossy().to_string(),
span: call_span,
},
Value::Nothing { span: call_span },
Value::Nothing { span: call_span },
],
Value::Record {
cols,
vals,
span: call_span,
},
}
}
Err(_) => Value::Record {
cols: vec!["name".into(), "type".into(), "size".into()],
vals: vec![
Value::String {
val: path.to_string_lossy().to_string(),
span: call_span,
},
Value::Nothing { span: call_span },
Value::Nothing { span: call_span },
],
span: call_span,
},
_ => Value::Nothing { span: call_span },
})
.into_value_stream(),
span: call_span,
})
},
_ => Value::Nothing { span: call_span },
})
.into_pipeline_data())
}
}

13
crates/nu-command/src/filesystem/mkdir.rs
View File

@ -4,8 +4,11 @@ use std::env::current_dir;
use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, SyntaxShape, Value, ValueStream};
use nu_protocol::{
IntoPipelineData, PipelineData, ShellError, Signature, SyntaxShape, Value, ValueStream,
};
#[derive(Clone)]
pub struct Mkdir;
impl Command for Mkdir {
@ -31,8 +34,8 @@ impl Command for Mkdir {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<Value, ShellError> {
_input: PipelineData,
) -> Result<PipelineData, ShellError> {
let path = current_dir()?;
let mut directories = call
.rest::<String>(context, 0)?
@ -67,8 +70,6 @@ impl Command for Mkdir {
}
}
let stream = ValueStream::from_stream(stream.into_iter());
let span = call.head;
Ok(Value::Stream { stream, span })
Ok(stream.into_iter().into_pipeline_data())
}
}

9
crates/nu-command/src/filesystem/mv.rs
View File

@ -5,8 +5,9 @@ use super::util::get_interactive_confirmation;
use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, ShellError, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Mv;
#[allow(unused_must_use)]
@ -39,8 +40,8 @@ impl Command for Mv {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
// TODO: handle invalid directory or insufficient permissions when moving
let source: String = call.req(context, 0)?;
let destination: String = call.req(context, 1)?;
@ -128,7 +129,7 @@ impl Command for Mv {
move_file(call, &entry, &destination)?
}
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
}

17
crates/nu-command/src/filesystem/rm.rs
View File

@ -8,8 +8,11 @@ use super::util::get_interactive_confirmation;
use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, SyntaxShape, Value, ValueStream};
use nu_protocol::{
IntoPipelineData, PipelineData, ShellError, Signature, SyntaxShape, Value, ValueStream,
};
#[derive(Clone)]
pub struct Rm;
// Where self.0 is the unexpanded target's positional index (i.e. call.positional[self.0].span)
@ -58,13 +61,13 @@ impl Command for Rm {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<Value, ShellError> {
_input: PipelineData,
) -> Result<PipelineData, ShellError> {
rm(context, call)
}
}
fn rm(context: &EvaluationContext, call: &Call) -> Result<Value, ShellError> {
fn rm(context: &EvaluationContext, call: &Call) -> Result<PipelineData, ShellError> {
let trash = call.has_flag("trash");
let permanent = call.has_flag("permanent");
let interactive = call.has_flag("interactive");
@ -164,11 +167,7 @@ fn rm(context: &EvaluationContext, call: &Call) -> Result<Value, ShellError> {
// let temp = rm_helper(call, args).flatten();
// let temp = input.flatten(call.head, move |_| rm_helper(call, args));
Ok(Value::Stream {
stream: ValueStream::from_stream(response.into_iter()),
span: call.head,
})
Ok(response.into_iter().into_pipeline_data())
// Ok(Value::Nothing { span })
}

9
crates/nu-command/src/filesystem/touch.rs
View File

@ -3,8 +3,9 @@ use std::fs::OpenOptions;
use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, ShellError, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Touch;
impl Command for Touch {
@ -30,8 +31,8 @@ impl Command for Touch {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<Value, ShellError> {
_input: PipelineData,
) -> Result<PipelineData, ShellError> {
let target: String = call.req(context, 0)?;
let rest: Vec<String> = call.rest(context, 1)?;
@ -47,6 +48,6 @@ impl Command for Touch {
}
}
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
}

349
crates/nu-command/src/filters/each.rs
View File

@ -1,8 +1,9 @@
use nu_engine::eval_block;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Example, IntoValueStream, Signature, Span, SyntaxShape, Value};
use nu_protocol::{Example, PipelineData, Signature, Span, SyntaxShape, Value};
#[derive(Clone)]
pub struct Each;
impl Command for Each {
@ -43,8 +44,8 @@ impl Command for Each {
vec![Example {
example: "[1 2 3] | each { 2 * $it }",
description: "Multiplies elements in list",
result: Some(Value::Stream {
stream: stream_test_1.into_iter().into_value_stream(),
result: Some(Value::List {
vals: stream_test_1,
span: Span::unknown(),
}),
}]
@ -54,8 +55,8 @@ impl Command for Each {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let block_id = call.positional[0]
.as_block()
.expect("internal error: expected block");
@ -64,190 +65,186 @@ impl Command for Each {
let context = context.clone();
let span = call.head;
match input {
Value::Range { val, .. } => Ok(Value::Stream {
stream: val
.into_range_iter()?
.enumerate()
.map(move |(idx, x)| {
let engine_state = context.engine_state.borrow();
let block = engine_state.get_block(block_id);
// match input {
// Value::Range { val, .. } => Ok(val
// .into_range_iter()?
// .enumerate()
// .map(move |(idx, x)| {
// let block = context.engine_state.get_block(block_id);
let state = context.enter_scope();
// let state = context.enter_scope();
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
if numbered {
state.add_var(
*var_id,
Value::Record {
cols: vec!["index".into(), "item".into()],
vals: vec![
Value::Int {
val: idx as i64,
span,
},
x,
],
span,
},
);
} else {
state.add_var(*var_id, x);
}
}
}
// if let Some(var) = block.signature.get_positional(0) {
// if let Some(var_id) = &var.var_id {
// if numbered {
// state.add_var(
// *var_id,
// Value::Record {
// cols: vec!["index".into(), "item".into()],
// vals: vec![
// Value::Int {
// val: idx as i64,
// span,
// },
// x,
// ],
// span,
// },
// );
// } else {
// state.add_var(*var_id, x);
// }
// }
// }
match eval_block(&state, block, Value::nothing()) {
Ok(v) => v,
Err(error) => Value::Error { error },
}
})
.into_value_stream(),
span: call.head,
}),
Value::List { vals: val, .. } => Ok(Value::Stream {
stream: val
.into_iter()
.enumerate()
.map(move |(idx, x)| {
let engine_state = context.engine_state.borrow();
let block = engine_state.get_block(block_id);
// match eval_block(&state, block, Value::nothing()) {
// Ok(v) => v,
// Err(error) => Value::Error { error },
// }
// })
// .into_pipeline_data()),
// Value::List { vals: val, .. } => Ok(Value::Stream {
// stream: val
// .into_iter()
// .enumerate()
// .map(move |(idx, x)| {
// let engine_state = context.engine_state.borrow();
// let block = engine_state.get_block(block_id);
let state = context.enter_scope();
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
if numbered {
state.add_var(
*var_id,
Value::Record {
cols: vec!["index".into(), "item".into()],
vals: vec![
Value::Int {
val: idx as i64,
span,
},
x,
],
span,
},
);
} else {
state.add_var(*var_id, x);
}
}
}
// let state = context.enter_scope();
// if let Some(var) = block.signature.get_positional(0) {
// if let Some(var_id) = &var.var_id {
// if numbered {
// state.add_var(
// *var_id,
// Value::Record {
// cols: vec!["index".into(), "item".into()],
// vals: vec![
// Value::Int {
// val: idx as i64,
// span,
// },
// x,
// ],
// span,
// },
// );
// } else {
// state.add_var(*var_id, x);
// }
// }
// }
match eval_block(&state, block, Value::nothing()) {
Ok(v) => v,
Err(error) => Value::Error { error },
}
})
.into_value_stream(),
span: call.head,
}),
Value::Stream { stream, .. } => Ok(Value::Stream {
stream: stream
.enumerate()
.map(move |(idx, x)| {
let engine_state = context.engine_state.borrow();
let block = engine_state.get_block(block_id);
// match eval_block(&state, block, Value::nothing()) {
// Ok(v) => v,
// Err(error) => Value::Error { error },
// }
// })
// .into_value_stream(),
// span: call.head,
// }),
// Value::Stream { stream, .. } => Ok(Value::Stream {
// stream: stream
// .enumerate()
// .map(move |(idx, x)| {
// let engine_state = context.engine_state.borrow();
// let block = engine_state.get_block(block_id);
let state = context.enter_scope();
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
if numbered {
state.add_var(
*var_id,
Value::Record {
cols: vec!["index".into(), "item".into()],
vals: vec![
Value::Int {
val: idx as i64,
span,
},
x,
],
span,
},
);
} else {
state.add_var(*var_id, x);
}
}
}
// let state = context.enter_scope();
// if let Some(var) = block.signature.get_positional(0) {
// if let Some(var_id) = &var.var_id {
// if numbered {
// state.add_var(
// *var_id,
// Value::Record {
// cols: vec!["index".into(), "item".into()],
// vals: vec![
// Value::Int {
// val: idx as i64,
// span,
// },
// x,
// ],
// span,
// },
// );
// } else {
// state.add_var(*var_id, x);
// }
// }
// }
match eval_block(&state, block, Value::nothing()) {
Ok(v) => v,
Err(error) => Value::Error { error },
}
})
.into_value_stream(),
span: call.head,
}),
Value::Record { cols, vals, .. } => {
let mut output_cols = vec![];
let mut output_vals = vec![];
// match eval_block(&state, block, Value::nothing()) {
// Ok(v) => v,
// Err(error) => Value::Error { error },
// }
// })
// .into_value_stream(),
// span: call.head,
// }),
// Value::Record { cols, vals, .. } => {
// let mut output_cols = vec![];
// let mut output_vals = vec![];
for (col, val) in cols.into_iter().zip(vals.into_iter()) {
let engine_state = context.engine_state.borrow();
let block = engine_state.get_block(block_id);
// for (col, val) in cols.into_iter().zip(vals.into_iter()) {
// let engine_state = context.engine_state.borrow();
// let block = engine_state.get_block(block_id);
let state = context.enter_scope();
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
state.add_var(
*var_id,
Value::Record {
cols: vec!["column".into(), "value".into()],
vals: vec![
Value::String {
val: col.clone(),
span: call.head,
},
val,
],
span: call.head,
},
);
}
}
// let state = context.enter_scope();
// if let Some(var) = block.signature.get_positional(0) {
// if let Some(var_id) = &var.var_id {
// state.add_var(
// *var_id,
// Value::Record {
// cols: vec!["column".into(), "value".into()],
// vals: vec![
// Value::String {
// val: col.clone(),
// span: call.head,
// },
// val,
// ],
// span: call.head,
// },
// );
// }
// }
match eval_block(&state, block, Value::nothing())? {
Value::Record {
mut cols, mut vals, ..
} => {
// TODO check that the lengths match when traversing record
output_cols.append(&mut cols);
output_vals.append(&mut vals);
}
x => {
output_cols.push(col);
output_vals.push(x);
}
}
}
// match eval_block(&state, block, Value::nothing())? {
// Value::Record {
// mut cols, mut vals, ..
// } => {
// // TODO check that the lengths match when traversing record
// output_cols.append(&mut cols);
// output_vals.append(&mut vals);
// }
// x => {
// output_cols.push(col);
// output_vals.push(x);
// }
// }
// }
Ok(Value::Record {
cols: output_cols,
vals: output_vals,
span: call.head,
})
}
x => {
let engine_state = context.engine_state.borrow();
let block = engine_state.get_block(block_id);
// Ok(Value::Record {
// cols: output_cols,
// vals: output_vals,
// span: call.head,
// })
// }
// x => {
// let engine_state = context.engine_state.borrow();
// let block = engine_state.get_block(block_id);
let state = context.enter_scope();
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
state.add_var(*var_id, x);
}
}
// let state = context.enter_scope();
// if let Some(var) = block.signature.get_positional(0) {
// if let Some(var_id) = &var.var_id {
// state.add_var(*var_id, x);
// }
// }
eval_block(&state, block, Value::nothing())
}
}
// eval_block(&state, block, Value::nothing())
// }
// }
}
}

7
crates/nu-command/src/filters/get.rs
View File

@ -1,8 +1,9 @@
use nu_engine::CallExt;
use nu_protocol::ast::{Call, CellPath};
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Get;
impl Command for Get {
@ -26,8 +27,8 @@ impl Command for Get {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let cell_path: CellPath = call.req(context, 0)?;
input.follow_cell_path(&cell_path.members)

33
crates/nu-command/src/filters/length.rs
View File

@ -1,7 +1,8 @@
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, Value};
use nu_protocol::{IntoPipelineData, PipelineData, Signature, Value};
#[derive(Clone)]
pub struct Length;
impl Command for Length {
@ -21,33 +22,19 @@ impl Command for Length {
&self,
_context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
match input {
Value::List { vals: val, .. } => {
let length = val.len();
Ok(Value::Int {
val: length as i64,
span: call.head,
})
}
Value::Stream { stream, .. } => {
let length = stream.count();
Ok(Value::Int {
val: length as i64,
span: call.head,
})
}
Value::Nothing { .. } => Ok(Value::Int {
PipelineData::Value(Value::Nothing { .. }) => Ok(Value::Int {
val: 0,
span: call.head,
}),
}
.into_pipeline_data()),
_ => Ok(Value::Int {
val: 1,
val: input.count() as i64,
span: call.head,
}),
}
.into_pipeline_data()),
}
}
}

23
crates/nu-command/src/filters/lines.rs
View File

@ -3,8 +3,9 @@ use std::rc::Rc;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, Value, ValueStream};
use nu_protocol::{IntoPipelineData, PipelineData, ShellError, Signature, Value, ValueStream};
#[derive(Clone)]
pub struct Lines;
const SPLIT_CHAR: char = '\n';
@ -26,15 +27,15 @@ impl Command for Lines {
&self,
_context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let span = call.head;
match input {
#[allow(clippy::needless_collect)]
// Collect is needed because the string may not live long enough for
// the Rc structure to continue using it. If split could take ownership
// of the split values, then this wouldn't be needed
Value::String { val, span } => {
PipelineData::Value(Value::String { val, span }) => {
let lines = val
.split(SPLIT_CHAR)
.map(|s| s.to_string())
@ -48,12 +49,9 @@ impl Command for Lines {
}
});
Ok(Value::Stream {
stream: ValueStream(Rc::new(RefCell::new(iter))),
span,
})
Ok(iter.into_pipeline_data())
}
Value::Stream { stream, span: _ } => {
PipelineData::Stream(stream) => {
let iter = stream
.into_iter()
.filter_map(|value| {
@ -79,12 +77,9 @@ impl Command for Lines {
})
.flatten();
Ok(Value::Stream {
stream: ValueStream(Rc::new(RefCell::new(iter))),
span,
})
Ok(iter.into_pipeline_data())
}
val => Err(ShellError::UnsupportedInput(
PipelineData::Value(val) => Err(ShellError::UnsupportedInput(
format!("Not supported input: {}", val.as_string()?),
call.head,
)),

66
crates/nu-command/src/filters/select.rs
View File

@ -1,8 +1,11 @@
use nu_engine::CallExt;
use nu_protocol::ast::{Call, CellPath};
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Example, IntoValueStream, ShellError, Signature, Span, SyntaxShape, Value};
use nu_protocol::{
Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, SyntaxShape, Value,
};
#[derive(Clone)]
pub struct Select;
impl Command for Select {
@ -26,8 +29,8 @@ impl Command for Select {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let columns: Vec<CellPath> = call.rest(context, 0)?;
let span = call.head;
@ -50,16 +53,20 @@ impl Command for Select {
}
}
fn select(span: Span, columns: Vec<CellPath>, input: Value) -> Result<Value, ShellError> {
fn select(
span: Span,
columns: Vec<CellPath>,
input: PipelineData,
) -> Result<PipelineData, ShellError> {
if columns.is_empty() {
return Err(ShellError::CantFindColumn(span, input.span()?));
return Err(ShellError::CantFindColumn(span, span)); //FIXME?
}
match input {
Value::List {
PipelineData::Value(Value::List {
vals: input_vals,
span,
} => {
}) => {
let mut output = vec![];
for input_val in input_vals {
@ -76,33 +83,30 @@ fn select(span: Span, columns: Vec<CellPath>, input: Value) -> Result<Value, She
output.push(Value::Record { cols, vals, span })
}
Ok(Value::List { vals: output, span })
Ok(output.into_iter().into_pipeline_data())
}
Value::Stream { stream, span } => Ok(Value::Stream {
stream: stream
.map(move |x| {
let mut cols = vec![];
let mut vals = vec![];
for path in &columns {
//FIXME: improve implementation to not clone
match x.clone().follow_cell_path(&path.members) {
Ok(value) => {
cols.push(path.into_string());
vals.push(value);
}
Err(error) => {
cols.push(path.into_string());
vals.push(Value::Error { error });
}
PipelineData::Stream(stream) => Ok(stream
.map(move |x| {
let mut cols = vec![];
let mut vals = vec![];
for path in &columns {
//FIXME: improve implementation to not clone
match x.clone().follow_cell_path(&path.members) {
Ok(value) => {
cols.push(path.into_string());
vals.push(value);
}
Err(error) => {
cols.push(path.into_string());
vals.push(Value::Error { error });
}
}
}
Value::Record { cols, vals, span }
})
.into_value_stream(),
span,
}),
v => {
Value::Record { cols, vals, span }
})
.into_pipeline_data()),
PipelineData::Value(v) => {
let mut cols = vec![];
let mut vals = vec![];
@ -114,7 +118,7 @@ fn select(span: Span, columns: Vec<CellPath>, input: Value) -> Result<Value, She
vals.push(result);
}
Ok(Value::Record { cols, vals, span })
Ok(Value::Record { cols, vals, span }.into_pipeline_data())
}
}
}

65
crates/nu-command/src/filters/where_.rs
View File

@ -1,8 +1,9 @@
use nu_engine::eval_expression;
use nu_protocol::ast::{Call, Expr, Expression};
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{IntoValueStream, ShellError, Signature, SyntaxShape, Value};
use nu_protocol::{IntoPipelineData, PipelineData, ShellError, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Where;
impl Command for Where {
@ -22,8 +23,8 @@ impl Command for Where {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let cond = call.positional[0].clone();
let context = context.enter_scope();
@ -37,54 +38,40 @@ impl Command for Where {
};
match input {
Value::Stream { stream, span } => {
let output_stream = stream
.filter(move |value| {
context.add_var(var_id, value.clone());
PipelineData::Stream(stream) => Ok(stream
.filter(move |value| {
context.add_var(var_id, value.clone());
let result = eval_expression(&context, &cond);
let result = eval_expression(&context, &cond);
match result {
Ok(result) => result.is_true(),
_ => false,
}
})
.into_value_stream();
Ok(Value::Stream {
stream: output_stream,
span,
match result {
Ok(result) => result.is_true(),
_ => false,
}
})
}
Value::List { vals, span } => {
let output_stream = vals
.into_iter()
.filter(move |value| {
context.add_var(var_id, value.clone());
.into_pipeline_data()),
PipelineData::Value(Value::List { vals, span }) => Ok(vals
.into_iter()
.filter(move |value| {
context.add_var(var_id, value.clone());
let result = eval_expression(&context, &cond);
let result = eval_expression(&context, &cond);
match result {
Ok(result) => result.is_true(),
_ => false,
}
})
.into_value_stream();
Ok(Value::Stream {
stream: output_stream,
span,
match result {
Ok(result) => result.is_true(),
_ => false,
}
})
}
x => {
.into_pipeline_data()),
PipelineData::Value(x) => {
context.add_var(var_id, x.clone());
let result = eval_expression(&context, &cond)?;
if result.is_true() {
Ok(x)
Ok(x.into_pipeline_data())
} else {
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
}
}

48
crates/nu-command/src/filters/wrap.rs
View File

@ -1,8 +1,9 @@
use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{IntoValueStream, Signature, SyntaxShape, Value};
use nu_protocol::{IntoPipelineData, PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Wrap;
impl Command for Wrap {
@ -22,38 +23,33 @@ impl Command for Wrap {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let span = call.head;
let name: String = call.req(context, 0)?;
match input {
Value::List { vals, .. } => Ok(Value::List {
vals: vals
.into_iter()
.map(move |x| Value::Record {
cols: vec![name.clone()],
vals: vec![x],
span,
})
.collect(),
span,
}),
Value::Stream { stream, .. } => Ok(Value::Stream {
stream: stream
.map(move |x| Value::Record {
cols: vec![name.clone()],
vals: vec![x],
span,
})
.into_value_stream(),
span,
}),
_ => Ok(Value::Record {
PipelineData::Value(Value::List { vals, .. }) => Ok(vals
.into_iter()
.map(move |x| Value::Record {
cols: vec![name.clone()],
vals: vec![x],
span,
})
.into_pipeline_data()),
PipelineData::Stream(stream) => Ok(stream
.map(move |x| Value::Record {
cols: vec![name.clone()],
vals: vec![x],
span,
})
.into_pipeline_data()),
PipelineData::Value(input) => Ok(Value::Record {
cols: vec![name],
vals: vec![input],
span,
}),
}
.into_pipeline_data()),
}
}
}

9
crates/nu-command/src/formats/from/command.rs
View File

@ -1,7 +1,8 @@
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, Value};
use nu_protocol::{PipelineData, ShellError, Signature, Value};
#[derive(Clone)]
pub struct From;
impl Command for From {
@ -21,8 +22,8 @@ impl Command for From {
&self,
_context: &EvaluationContext,
_call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, ShellError> {
Ok(Value::nothing())
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, ShellError> {
Ok(PipelineData::new())
}
}

32
crates/nu-command/src/formats/from/json.rs
View File

@ -1,7 +1,8 @@
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Example, IntoValueStream, ShellError, Signature, Span, Value};
use nu_protocol::{Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, Value};
#[derive(Clone)]
pub struct FromJson;
impl Command for FromJson {
@ -69,8 +70,8 @@ impl Command for FromJson {
&self,
_context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, ShellError> {
let span = input.span()?;
let mut string_input = input.collect_string();
string_input.push('\n');
@ -79,21 +80,18 @@ impl Command for FromJson {
if call.has_flag("objects") {
#[allow(clippy::needless_collect)]
let lines: Vec<String> = string_input.lines().map(|x| x.to_string()).collect();
Ok(Value::Stream {
stream: lines
.into_iter()
.map(move |mut x| {
x.push('\n');
match convert_string_to_value(x, span) {
Ok(v) => v,
Err(error) => Value::Error { error },
}
})
.into_value_stream(),
span,
})
Ok(lines
.into_iter()
.map(move |mut x| {
x.push('\n');
match convert_string_to_value(x, span) {
Ok(v) => v,
Err(error) => Value::Error { error },
}
})
.into_pipeline_data())
} else {
convert_string_to_value(string_input, span)
Ok(convert_string_to_value(string_input, span)?.into_pipeline_data())
}
}
}

12
crates/nu-command/src/strings/build_string.rs
View File

@ -1,8 +1,11 @@
use nu_engine::eval_expression;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Example, ShellError, Signature, Span, SyntaxShape, Value};
use nu_protocol::{
Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, SyntaxShape, Value,
};
#[derive(Clone)]
pub struct BuildString;
impl Command for BuildString {
@ -43,8 +46,8 @@ impl Command for BuildString {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let output = call
.positional
.iter()
@ -54,7 +57,8 @@ impl Command for BuildString {
Ok(Value::String {
val: output.join(""),
span: call.head,
})
}
.into_pipeline_data())
}
}

35
crates/nu-command/src/strings/size.rs
View File

@ -4,8 +4,11 @@ use unicode_segmentation::UnicodeSegmentation;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Example, ShellError, Signature, Span, Type, Value};
use nu_protocol::{
Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, Type, Value,
};
#[derive(Clone)]
pub struct Size;
impl Command for Size {
@ -25,8 +28,8 @@ impl Command for Size {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<Value, ShellError> {
input: PipelineData,
) -> Result<PipelineData, ShellError> {
size(context, call, input)
}
@ -98,18 +101,24 @@ impl Command for Size {
}
}
fn size(_context: &EvaluationContext, call: &Call, input: Value) -> Result<Value, ShellError> {
fn size(
_context: &EvaluationContext,
call: &Call,
input: PipelineData,
) -> Result<PipelineData, ShellError> {
let span = call.head;
input.map(span, move |v| match v.as_string() {
Ok(s) => count(&s, span),
Err(_) => Value::Error {
error: ShellError::PipelineMismatch {
expected: Type::String,
expected_span: span,
origin: span,
Ok(input
.map(move |v| match v.as_string() {
Ok(s) => count(&s, span),
Err(_) => Value::Error {
error: ShellError::PipelineMismatch {
expected: Type::String,
expected_span: span,
origin: span,
},
},
},
})
})
.into_pipeline_data())
}
fn count(contents: &str, span: Span) -> Value {

16
crates/nu-command/src/strings/split/chars.rs
View File

@ -1,9 +1,10 @@
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
Example, ShellError, Signature, Span, Type, Value,
Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, Type, Value,
};
#[derive(Clone)]
pub struct SubCommand;
impl Command for SubCommand {
@ -40,16 +41,21 @@ impl Command for SubCommand {
&self,
_context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
split_chars(call, input)
}
}
fn split_chars(call: &Call, input: Value) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
fn split_chars(
call: &Call,
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let span = call.head;
Ok(input.flat_map(span, move |x| split_chars_helper(&x, span)))
Ok(input
.flat_map(move |x| split_chars_helper(&x, span))
.into_pipeline_data())
}
fn split_chars_helper(v: &Value, name: Span) -> Vec<Value> {

17
crates/nu-command/src/strings/split/column.rs
View File

@ -2,9 +2,10 @@ use nu_engine::CallExt;
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
ShellError, Signature, Span, Spanned, SyntaxShape, Type, Value,
IntoPipelineData, PipelineData, ShellError, Signature, Span, Spanned, SyntaxShape, Type, Value,
};
#[derive(Clone)]
pub struct SubCommand;
impl Command for SubCommand {
@ -35,8 +36,8 @@ impl Command for SubCommand {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
split_column(context, call, input)
}
}
@ -44,16 +45,16 @@ impl Command for SubCommand {
fn split_column(
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let name_span = call.head;
let separator: Spanned<String> = call.req(context, 0)?;
let rest: Vec<Spanned<String>> = call.rest(context, 1)?;
let collapse_empty = call.has_flag("collapse-empty");
input.map(name_span, move |x| {
split_column_helper(&x, &separator, &rest, collapse_empty, name_span)
})
Ok(input
.map(move |x| split_column_helper(&x, &separator, &rest, collapse_empty, name_span))
.into_pipeline_data())
}
fn split_column_helper(

9
crates/nu-command/src/strings/split/command.rs
View File

@ -2,7 +2,7 @@ use nu_engine::get_full_help;
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
Signature, Value,
IntoPipelineData, PipelineData, Signature, Value,
};
#[derive(Clone)]
@ -25,12 +25,13 @@ impl Command for SplitCommand {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
Ok(Value::String {
val: get_full_help(&SplitCommand.signature(), &SplitCommand.examples(), context),
span: call.head,
})
}
.into_pipeline_data())
}
}

17
crates/nu-command/src/strings/split/row.rs
View File

@ -2,9 +2,10 @@ use nu_engine::CallExt;
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
ShellError, Signature, Span, Spanned, SyntaxShape, Type, Value,
IntoPipelineData, PipelineData, ShellError, Signature, Span, Spanned, SyntaxShape, Type, Value,
};
#[derive(Clone)]
pub struct SubCommand;
impl Command for SubCommand {
@ -28,8 +29,8 @@ impl Command for SubCommand {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
split_row(context, call, input)
}
}
@ -37,14 +38,14 @@ impl Command for SubCommand {
fn split_row(
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let name_span = call.head;
let separator: Spanned<String> = call.req(context, 0)?;
Ok(input.flat_map(name_span, move |x| {
split_row_helper(&x, &separator, name_span)
}))
Ok(input
.flat_map(move |x| split_row_helper(&x, &separator, name_span))
.into_pipeline_data())
}
fn split_row_helper(v: &Value, separator: &Spanned<String>, name: Span) -> Vec<Value> {

16
crates/nu-command/src/system/benchmark.rs
View File

@ -3,8 +3,9 @@ use std::time::Instant;
use nu_engine::eval_block;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Signature, SyntaxShape, Value};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Benchmark;
impl Command for Benchmark {
@ -28,21 +29,18 @@ impl Command for Benchmark {
&self,
context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let block = call.positional[0]
.as_block()
.expect("internal error: expected block");
let engine_state = context.engine_state.borrow();
let block = engine_state.get_block(block);
let block = context.engine_state.get_block(block);
let state = context.enter_scope();
let start_time = Instant::now();
eval_block(&state, block, Value::nothing())?;
eval_block(&state, block, PipelineData::new())?;
let end_time = Instant::now();
println!("{} ms", (end_time - start_time).as_millis());
Ok(Value::Nothing {
span: call.positional[0].span,
})
Ok(PipelineData::new())
}
}

11
crates/nu-command/src/system/ps.rs
View File

@ -1,10 +1,11 @@
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
Example, ShellError, Signature, Value,
Example, IntoPipelineData, PipelineData, ShellError, Signature, Value,
};
use sysinfo::{ProcessExt, System, SystemExt};
#[derive(Clone)]
pub struct Ps;
impl Command for Ps {
@ -31,8 +32,8 @@ impl Command for Ps {
&self,
_context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
run_ps(call)
}
@ -45,7 +46,7 @@ impl Command for Ps {
}
}
fn run_ps(call: &Call) -> Result<Value, ShellError> {
fn run_ps(call: &Call) -> Result<PipelineData, ShellError> {
let span = call.head;
let long = call.has_flag("long");
let mut sys = System::new_all();
@ -124,5 +125,5 @@ fn run_ps(call: &Call) -> Result<Value, ShellError> {
}
}
Ok(Value::List { vals: output, span })
Ok(output.into_iter().into_pipeline_data())
}

53
crates/nu-command/src/system/run_external.rs
View File

@ -11,12 +11,13 @@ use nu_protocol::{
engine::{Command, EvaluationContext},
ShellError, Signature, SyntaxShape, Value,
};
use nu_protocol::{Span, ValueStream};
use nu_protocol::{IntoPipelineData, PipelineData, Span, ValueStream};
use nu_engine::eval_expression;
const OUTPUT_BUFFER_SIZE: usize = 8192;
#[derive(Clone)]
pub struct External;
impl Command for External {
@ -38,8 +39,8 @@ impl Command for External {
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<Value, ShellError> {
input: PipelineData,
) -> Result<PipelineData, ShellError> {
let command = ExternalCommand::try_new(call, context)?;
command.run_with_input(input)
}
@ -82,7 +83,7 @@ impl<'call, 'contex> ExternalCommand<'call, 'contex> {
.collect()
}
pub fn run_with_input(&self, input: Value) -> Result<Value, ShellError> {
pub fn run_with_input(&self, input: PipelineData) -> Result<PipelineData, ShellError> {
let mut process = self.create_command();
// TODO. We don't have a way to know the current directory
@ -101,11 +102,11 @@ impl<'call, 'contex> ExternalCommand<'call, 'contex> {
// If there is an input from the pipeline. The stdin from the process
// is piped so it can be used to send the input information
if let Value::String { .. } = input {
if let PipelineData::Value(Value::String { .. }) = input {
process.stdin(Stdio::piped());
}
if let Value::Stream { .. } = input {
if let PipelineData::Stream { .. } = input {
process.stdin(Stdio::piped());
}
@ -116,33 +117,18 @@ impl<'call, 'contex> ExternalCommand<'call, 'contex> {
)),
Ok(mut child) => {
// if there is a string or a stream, that is sent to the pipe std
match input {
Value::String { val, span: _ } => {
if let Some(mut stdin_write) = child.stdin.take() {
self.write_to_stdin(&mut stdin_write, val.as_bytes())?
}
}
Value::Binary { val, span: _ } => {
if let Some(mut stdin_write) = child.stdin.take() {
self.write_to_stdin(&mut stdin_write, &val)?
}
}
Value::Stream { stream, span: _ } => {
if let Some(mut stdin_write) = child.stdin.take() {
for value in stream {
match value {
Value::String { val, span: _ } => {
self.write_to_stdin(&mut stdin_write, val.as_bytes())?
}
Value::Binary { val, span: _ } => {
self.write_to_stdin(&mut stdin_write, &val)?
}
_ => continue,
}
if let Some(mut stdin_write) = child.stdin.take() {
for value in input {
match value {
Value::String { val, span: _ } => {
self.write_to_stdin(&mut stdin_write, val.as_bytes())?
}
Value::Binary { val, span: _ } => {
self.write_to_stdin(&mut stdin_write, &val)?
}
_ => continue,
}
}
_ => (),
}
// If this external is not the last expression, then its output is piped to a channel
@ -185,12 +171,9 @@ impl<'call, 'contex> ExternalCommand<'call, 'contex> {
});
// The ValueStream is consumed by the next expression in the pipeline
Value::Stream {
stream: ValueStream(Rc::new(RefCell::new(ChannelReceiver::new(rx)))),
span: Span::unknown(),
}
ChannelReceiver::new(rx).into_pipeline_data()
} else {
Value::nothing()
PipelineData::new()
};
match child.wait() {

12
crates/nu-command/src/system/sys.rs
View File

@ -1,10 +1,11 @@
use nu_protocol::{
ast::Call,
engine::{Command, EvaluationContext},
Example, ShellError, Signature, Span, Value,
Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, Value,
};
use sysinfo::{ComponentExt, DiskExt, NetworkExt, ProcessorExt, System, SystemExt, UserExt};
#[derive(Clone)]
pub struct Sys;
impl Command for Sys {
@ -26,8 +27,8 @@ impl Command for Sys {
&self,
_context: &EvaluationContext,
call: &Call,
_input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
run_sys(call)
}
@ -40,7 +41,7 @@ impl Command for Sys {
}
}
fn run_sys(call: &Call) -> Result<Value, ShellError> {
fn run_sys(call: &Call) -> Result<PipelineData, ShellError> {
let span = call.head;
let mut sys = System::new();
@ -76,7 +77,8 @@ fn run_sys(call: &Call) -> Result<Value, ShellError> {
cols: headers,
vals: values,
span,
})
}
.into_pipeline_data())
}
pub fn trim_cstyle_null(s: String) -> String {

1
crates/nu-command/src/viewers/griddle.rs
View File

@ -8,6 +8,7 @@ use nu_protocol::{
use nu_term_grid::grid::{Alignment, Cell, Direction, Filling, Grid, GridOptions};
use terminal_size::{Height, Width};
#[derive(Clone)]
pub struct Griddle;
impl Command for Griddle {

1
crates/nu-command/src/viewers/table.rs
View File

@ -5,6 +5,7 @@ use nu_table::StyledString;
use std::collections::HashMap;
use terminal_size::{Height, Width};
#[derive(Clone)]
pub struct Table;
//NOTE: this is not a real implementation :D. It's just a simple one to test with until we port the real one.